DR. STEVEN PAUL KIEFER, M.D.

LEXINGTON, KY

Research Active
Neurological Surgery NPI registered 21+ years 50 publications 2017 – 2026 NPI: 1336144302
PrognosisProstatic NeoplasmsHematopoietic Stem Cell TransplantationTransplantation, HomologousPositron-Emission TomographyPositron Emission Tomography Computed TomographyPredictive Value of TestsPulmonary Disease, Chronic ObstructiveAntigens, SurfaceOligopeptidesGlutamate Carboxypeptidase IISafetyGallium RadioisotopesGallium IsotopesEdetic Acid

Practice Location

1760 NICHOLASVILLE RD
LEXINGTON, KY 40503-1471

Phone: (859) 277-6143

What does STEVEN KIEFER research?

Dr. Kiefer studies a range of medical conditions, particularly focusing on how advanced technologies and methodologies can improve patient care. For instance, he investigates the use of imaging techniques to detect prostate cancer more accurately, helping guide treatment decisions for high-risk patients. He also explores how digital health interventions can alleviate pain and enhance quality of life for patients with blood cancers. Additionally, his work addresses chronic diseases like chronic obstructive pulmonary disease (COPD) and cystic fibrosis, examining how specific genetic factors and predictive models can lead to better management strategies.

Key findings

  • In a study on Ga-PSMA-11 PET imaging for prostate cancer, a diagnostic accuracy of 97.1% was achieved, influencing treatment decisions for 13.2% of patients.
  • In the MyPal trial, participants reported a reduction of 0.48 units in pain scores using a digital health app compared to standard care.
  • For COPD patients, features identified in CT scans correlated with higher risks of exacerbations, guiding preventive strategies.
  • Over 43,000 COPD patients were assessed, revealing that those with alpha-1-antitrypsin deficiency had lower cholesterol levels and significantly fewer heart problems.
  • In cystic fibrosis research, children with nonsense mutations experienced a lung function decline of -1.65 over 30 years, highlighting the mutation's severity.

Frequently asked questions

Does Dr. Kiefer study prostate cancer?
Yes, Dr. Kiefer researches advanced imaging techniques like Ga-PSMA-11 PET scans to improve the detection and management of prostate cancer.
What kind of treatments has Dr. Kiefer researched for atopic dermatitis?
He has studied the effectiveness of treatments such as dupilumab and upadacitinib for children and teens with moderate-to-severe eczema, showing improvements in their skin condition and reduced side effects.
Is Dr. Kiefer's work relevant to patients with chronic obstructive pulmonary disease?
Absolutely. His research focuses on identifying risk factors for exacerbations in COPD patients, which can lead to better prevention and management.
What innovations is Dr. Kiefer exploring in ophthalmology?
Dr. Kiefer investigates the efficiency of AI tools in ophthalmology, particularly examining how these technologies impact the decision-making process for eye disease diagnoses.
How does Dr. Kiefer's research help patients with cystic fibrosis?
His studies shed light on the impact of genetic mutations on lung function in cystic fibrosis, which is crucial for developing personalized treatment strategies.

Publications in plain English

Efficiency Pitfalls of Explainable AI in Clinical Diagnostic and Treatment Human-AI Workflows.

2026

Human factors

Hunsicker T, Schulz A, Leist RA, Kiefer S, Boden KT +3 more

Plain English
This study looked at how explanations provided by artificial intelligence (AI) affect the work of ophthalmologists when diagnosing a common eye disease called diabetic retinopathy. Researchers found that while AI explanations didn’t make diagnoses more accurate, they did slow down decision-making, reducing efficiency—decision times increased by an unspecified amount, and doctors reported that these explanations were often unhelpful and disrupted their workflow. This matters because in fast-paced medical settings, balancing AI transparency with efficiency is crucial for effective patient care. Who this helps: This helps ophthalmologists and their patients who rely on timely and accurate diagnoses.

PubMed

The German Cancer Consortium (DKTK) multi-center prospective phase 1/2Ga-PSMA-11 PET-imaging trial in newly-diagnosed high-risk prostate cancer: Safety and diagnostic accuracy compared to histopathology and their impact on patient management.

2026

European journal of nuclear medicine and molecular imaging

Giesel FL, Koerber SA, Hadaschik B, Kiefer S, Schwarzenboeck S +26 more

Plain English
This study looked at a new imaging technique called Ga-PSMA-11 PET/CT to help detect and manage high-risk prostate cancer before surgery. Out of 173 patients, the imaging showed very high accuracy for identifying the main tumor, but it found lymph node metastases in about 40% of patients. The results led to changes in treatment plans for many patients, with some even canceling surgery. Who this helps: This helps patients with newly diagnosed high-risk prostate cancer by improving detection and treatment decisions.

PubMed

[Implementation and evaluation of a solution for automated documentation of the doctor-patient dialogue (ADAPI) in ophthalmology using the example of the IVI routine].

2025

Die Ophthalmologie

Rudolph CN, Wakili P, Rickmann A, Januschowski K, McCrae P +11 more

Plain English
This study looked at how using automated speech recognition technology could improve the way doctors document conversations with patients in an eye clinic. Researchers worked with 50 patients from 2020 to 2022 and found that conversations using this automated system took an average of 3.9 minutes compared to 4.46 minutes without it. While only 26% of patients felt the communication improved, most didn't notice much change, indicating that this technology might help streamline documentation without negatively affecting the doctor-patient dialogue. Who this helps: This helps doctors by making documentation easier and faster, ultimately benefiting their patients through improved care efficiency.

PubMed

Model-Based Prediction of Clinically Relevant Thrombocytopenia after Allogeneic Hematopoietic Stem Cell Transplantation.

2025

Clinical pharmacology and therapeutics

Götz KM, Turki AT, Och K, Selzer D, Brossette C +19 more

Plain English
This study focused on predicting how patients’ platelet counts recover after a specific type of bone marrow transplant (called allo-HCT). Researchers analyzed data from nearly 2,000 patients and found that about 37% experienced dangerously low platelet levels, which led to a worse survival rate. They developed a model that accurately predicts platelet recovery and created an online tool to help doctors use these predictions in their practice. Who this helps: This helps patients undergoing bone marrow transplants and their doctors by improving monitoring and treatment options.

PubMed

Come to the dark side - citizen science in nighttime ecology.

2025

BMC ecology and evolution

Kimmig SE, Hölker F, Schroer S, Kassiem A, Kiefer S

Plain English
This study focused on nighttime ecology, an area of research that looks at how species behave and interact after dark. The researchers found that involving everyday people as citizen scientists can help gather important data about these nocturnal species, uncovering new insights and addressing conservation challenges that happen at night. This matters because understanding these nighttime ecosystems is essential for protecting biodiversity and making informed conservation decisions. Who this helps: This helps researchers, conservationists, and anyone interested in wildlife protection.

PubMed

Younger Age and Viral Triggers Were Associated With Post-Infectious Bronchiolitis Obliterans in French Children.

2025

Acta paediatrica (Oslo, Norway : 1992)

Mazenq J, Crebassa M, Hadchouel A, Ghattas S, Reix P +20 more

Plain English
This study looked at a rare lung disease called post-infectious bronchiolitis obliterans (PIBO) in children in France, focusing on cases from 2017 to 2023. It involved 147 patients, mostly boys, who were diagnosed at an average age of about 22 months. The research found that younger children were more likely to be hospitalized due to severe infections, with common triggers being adenoviruses and respiratory syncytial virus. Understanding these connections helps improve care for affected children. Who this helps: This benefits pediatric patients with PIBO and their doctors.

PubMed

Strategy Complexity of Reachability in Countable Stochastic 2-Player Games.

2025

Dynamic games and applications

Kiefer S, Mayr R, Shirmohammadi M, Totzke P

Plain English
This research looked at complex games involving two players where one aims to reach a certain goal. The researchers found that in certain scenarios, one player needs unlimited memory to make the best moves, especially when the opposing player has many options. This is important because it helps understand the strategies needed for players in such games, which can influence areas like artificial intelligence or decision-making processes. Who this helps: This benefits game designers and artificial intelligence developers.

PubMed

Assessing an eHealth Intervention on Quality of Life in Patients With Chronic Lymphocytic Leukemia and Myelodysplastic Syndromes: The MyPal Randomized Controlled Trial.

2025

JCO oncology practice

Chatzikonstantinou T, Vasilopoulou M, Kyrou D, Karakatsoulis G, Argyropaidas P +35 more

Plain English
The MyPal study looked at whether a digital health platform could improve the quality of life for patients with chronic lymphocytic leukemia (CLL) and myelodysplastic syndromes (MDS). Out of 171 participants, those using the MyPal app reported significantly less pain compared to those receiving standard care, with a decrease of 0.48 units in their pain scores. This is important because managing pain can greatly enhance the daily life of these patients, making them feel better overall. Who this helps: This benefits patients living with CLL and MDS.

PubMed

Quantitative computed tomography and predictive modelling for COPD exacerbations.

2025

European respiratory review : an official journal of the European Respiratory Society

Etienne S, Hoheisel A, Agarwal P, Kiefer S, Wehrle J +2 more

Plain English
This study looked at how quantitative computed tomography (qCT) can help identify patients with chronic obstructive pulmonary disease (COPD) who are at high risk of experiencing severe flare-ups, known as exacerbations. Researchers found that CT scans taken when patients were stable showed specific features, like more severe emphysema and thicker bronchial walls, that were linked to a higher risk of exacerbations. This research matters because it could lead to better ways to predict and prevent these serious health events in COPD patients. Who this helps: Patients with COPD and their healthcare providers.

PubMed

A dynamic time-to-event model for prediction of acute graft-versus-host disease in patients after allogeneic hematopoietic stem cell transplantation.

2024

Cancer medicine

Och K, Turki AT, Götz KM, Selzer D, Brossette C +20 more

Plain English
This study looked at how to predict a serious condition called acute graft-versus-host disease (aGvHD) that can affect patients after receiving a stem cell transplant. Researchers analyzed data from 1,479 adults and found that certain factors, like low white blood cell counts and specific medications, influenced the likelihood of developing aGvHD within 100 days after the transplant. They discovered that the risk of developing this condition peaked around 17 days after the transplant, and noting the risk level on day 7 can help predict outcomes. Who this helps: This research benefits patients undergoing stem cell transplants and their doctors by guiding better monitoring and prevention strategies for aGvHD.

PubMed

Alpha-1-antitrypsin-deficiency is associated with lower cardiovascular risk: an approach based on federated learning.

2024

Respiratory research

Zöller D, Haverkamp C, Makoudjou A, Sofack G, Kiefer S +19 more

Plain English
This study looked at patients with chronic obstructive pulmonary disease (COPD) to see how having a genetic condition called alpha-1-antitrypsin deficiency (AATD) affects their heart health. Out of over 43,000 COPD patients, those with AATD had significantly lower cholesterol levels and fewer heart-related health problems—about 746 patients with AATD represented just 1.73% of the total, compared to those without AATD. This matters because it shows that AATD patients might face a lower risk of heart disease, and it highlights hs-troponin as an important marker for predicting death in COPD patients. Who this helps: This helps patients with COPD, especially those with alpha-1-antitrypsin deficiency.

PubMed

Controlling the Nematic Liquid Crystallinity of Cellulose Nanocrystals with an Alcohol Ethoxy Sulfonate Surfactant.

2024

Biomacromolecules

Majoinen J, Gustavsson L, Wani O, Kiefer S, Liljeström V +3 more

Plain English
This study examined how a specific surfactant, called alcohol ethoxy sulfonate (AES), can change the properties of cellulose nanocrystals (CNCs) to create a more useful type of liquid crystal. The researchers found that using AES allowed the CNCs to form a new type of liquid crystal called nematic, which means the particles are aligned in the same direction. This change is significant because it opens up new possibilities for using CNCs in various applications such as coatings, biomedical devices, and sensors. Who this helps: This helps developers of sustainable materials and technologies looking for better performance in products like coatings and medical devices.

PubMed

Inhomogeneous terminators on the exoplanet WASP-39 b.

2024

Nature

Espinoza N, Steinrueck ME, Kirk J, MacDonald RJ, Savel AB +38 more

Plain English
This study examined the atmosphere of the exoplanet WASP-39 b, focusing on parts of its atmosphere that are in the morning and evening. Researchers found that the evening side of the planet has a deeper atmosphere compared to the morning side, with an average difference of 405 parts per million, indicating that the evening side is likely hotter and clearer. Understanding these differences helps scientists learn more about exoplanet atmospheres and their composition, which is important for identifying potentially habitable worlds. Who this helps: This helps astronomers and researchers studying exoplanets.

PubMed

[Therapeutic management and adjustment of long-term treatment].

2024

Revue des maladies respiratoires

Drummond D, Mazenq J, Lezmi G, Cros P, Coutier L +12 more

PubMed

Efficacy and Treatment Satisfaction of Different Systemic Therapies in Children and Adolescents with Moderate-to-Severe Atopic Dermatitis: A Real-World Study.

2023

Journal of clinical medicine

Kiefer S, König A, Gerger V, Rummenigge C, Müller AC +6 more

Plain English
This study looked at how effective and satisfying two modern treatments—dupilumab and upadacitinib—are for children and teenagers with moderate-to-severe eczema over 24 weeks. It involved 23 patients, with both treatments showing significant improvements in skin condition and itch severity, and no major differences in effectiveness between the two. Importantly, patients experienced fewer side effects in real-life situations than what has been reported in clinical trials. Who this helps: This benefits children and adolescents suffering from moderate-to-severe eczema and their families.

PubMed

Nonsense mutations accelerate lung disease and decrease survival of cystic fibrosis children.

2023

Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society

Orenti A, Pranke I, Faucon C, Varilh J, Hatton A +29 more

Plain English
This study looked at children with Cystic Fibrosis (CF) who have specific genetic mutations known as nonsense mutations and compared them to children with other CF mutations. Researchers found that children with two nonsense mutations experienced a faster decline in lung function and had a higher risk of death compared to those with the common F508del mutation. Specifically, those with nonsense mutations declined in lung function at rates of -1.65 for the first 30 years, leading to an increased likelihood of severe respiratory problems. Who this helps: This research benefits patients with Cystic Fibrosis and their doctors by providing critical insights into disease severity based on genetic mutations.

PubMed

Systematic evaluation and optimization of protein extraction parameters in diagnostic FFPE specimens.

2022

Clinical proteomics

Dressler FF, Schoenfeld J, Revyakina O, Vogele D, Kiefer S +3 more

Plain English
This study looked at how to improve the process of extracting proteins from preserved tissue samples used in disease diagnosis, specifically focusing on urothelial carcinoma. The researchers tested different methods for getting proteins out of these samples and found that some common commercial extraction solutions were not effective and were too expensive. They identified better techniques and conditions that can lead to more efficient protein extraction, potentially saving time and money while improving the quality of diagnostic results. Who this helps: This helps doctors and laboratories working with tissue samples for cancer diagnosis.

PubMed

Reclassifying inconclusive diagnosis for cystic fibrosis with new generation sweat test.

2022

The European respiratory journal

Nguyen-Khoa T, Hatton A, Drummond D, Aoust L, Schlatter J +14 more

PubMed

Intraindividual Comparison Between [F] PSMA-1007 PET/CT and Multiparametric MRI for Radiotherapy Planning in Primary Prostate Cancer Patients.

2022

Frontiers in oncology

Marinescu IM, Spohn SKB, Kiefer S, Bronsert P, Ceci L +14 more

Plain English
This study compared two imaging methods—multiparametric MRI (mpMRI) and PSMA-1007 PET/CT—for identifying tumor sizes in prostate cancer patients. Researchers examined 93 patients and found that PET detected more tumor sites (about 3 on average) compared to MRI (about 2), and that the tumor size measured by MRI was smaller than that from PET (2.05 ml vs. 3.65 ml). These findings matter because they can change how doctors plan radiation therapy by providing more accurate information about the tumors, leading to better treatment outcomes. Who this helps: This helps patients by ensuring more precise radiation therapy planning.

PubMed

Time-dependent prediction of mortality and cytomegalovirus reactivation after allogeneic hematopoietic cell transplantation using machine learning.

2022

American journal of hematology

Eisenberg L, , Brossette C, Rauch J, Grandjean A +8 more

Plain English
Researchers studied how to better predict the risk of death and a virus called cytomegalovirus (CMV) reactivation in patients undergoing allogeneic hematopoietic cell transplantation (HCT), a treatment for serious blood diseases. They created machine learning models that use both initial patient information and ongoing lab results to estimate these risks over time. Their models were highly accurate, achieving a score of 0.92 for predicting mortality and 0.83 for predicting CMV reactivation, which means they effectively identify patients at higher risk during their recovery. Who this helps: This benefits patients undergoing HCT, as well as their doctors who can make more informed treatment decisions.

PubMed

A training strategy for hybrid models to break the curse of dimensionality.

2022

PloS one

E Samadi M, Kiefer S, Fritsch SJ, Bickenbach J, Schuppert A

Plain English
This study looked at a new way to create models that can classify data, especially when we don't fully understand the underlying processes. Researchers found that by using a specific learning method with small sets of labeled data, they could significantly reduce the amount of information needed to make accurate predictions. This is important because it can lead to faster and more efficient assessments in situations like predicting patient outcomes in critical care, such as with COVID-19 patients who need intensive treatment. Who this helps: This benefits doctors and healthcare providers treating critically ill patients.

PubMed

Intraprostatic Tumor Segmentation on PSMA PET Images in Patients with Primary Prostate Cancer with a Convolutional Neural Network.

2021

Journal of nuclear medicine : official publication, Society of Nuclear Medicine

Kostyszyn D, Fechter T, Bartl N, Grosu AL, Gratzke C +20 more

Plain English
This study explored a new technology using artificial intelligence to automatically identify tumors in prostate cancer patients' PET scans. Researchers developed a computer program that accurately matched expert manual measurements, achieving a high accuracy rate with sensitivity levels as high as 98% and a median comparison score of 0.84 out of 1 across different patient groups. This is important because it could make tumor detection faster and more reliable, improving treatment planning for patients with prostate cancer. Who this helps: Patients with prostate cancer and their doctors.

PubMed

Uncovering the invisible-prevalence, characteristics, and radiomics feature-based detection of visually undetectable intraprostatic tumor lesions inGaPSMA-11 PET images of patients with primary prostate cancer.

2021

European journal of nuclear medicine and molecular imaging

Zamboglou C, Bettermann AS, Gratzke C, Mix M, Ruf J +11 more

Plain English
This study investigated how well a special imaging technique called PSMA-PET detects small prostate cancer lesions that are often missed by the naked eye. It found that in a training group of 20 patients, 60% had 134 small tumors that were overlooked, with 75% of those being significant cancer cases. In a larger validation group of 52 patients, half had similar missed tumors, and 77% of them also had clinically significant cancer. Who this helps: This research benefits patients with prostate cancer by improving detection and guiding personalized treatment options.

PubMed

Combination of Lenvatinib and Pembrolizumab Is an Effective Treatment Option for Anaplastic and Poorly Differentiated Thyroid Carcinoma.

2021

Thyroid : official journal of the American Thyroid Association

Dierks C, Seufert J, Aumann K, Ruf J, Klein C +17 more

Plain English
This study looked at the combined effects of two drugs, lenvatinib and pembrolizumab, on patients with a rare and aggressive type of thyroid cancer called anaplastic thyroid carcinoma (ATC) and another type known as poorly differentiated thyroid carcinoma (PDTC). Out of eight patients treated, 66% of those with ATC had complete remissions, and the average period without cancer growth was about 17.75 months. This is important because it shows a promising treatment option for people with these hard-to-treat cancers, potentially leading to longer, healthier lives. Who this helps: This helps patients with anaplastic and poorly differentiated thyroid carcinoma.

PubMed

The impact of the co-registration technique and analysis methodology in comparison studies between advanced imaging modalities and whole-mount-histology reference in primary prostate cancer.

2021

Scientific reports

Zamboglou C, Kramer M, Kiefer S, Bronsert P, Ceci L +10 more

Plain English
This study looked at how different methods of comparing advanced imaging techniques and tissue samples affect the diagnosis of primary prostate cancer. Researchers found that the imaging technique PSMA-PET was better at detecting prostate cancer within the prostate gland compared to another method, mpMRI, with sensitivity rates of 83-85% for PSMA-PET versus 60-69% for mpMRI. This matters because better detection methods can lead to earlier and more accurate treatment options for patients. Who this helps: Patients with prostate cancer.

PubMed

Alteration of Tissue Marking Dyes Depends on Used Chromogen during Immunohistochemistry.

2021

Cells

Kiefer S, Huber J, Füllgraf H, Sörensen K, Csanadi A +5 more

Plain English
This study looked at how different dyes used to mark tissue samples change color during a specific laboratory process called immunohistochemistry, which helps doctors analyze biopsies. They found that a blue dye from one supplier turned black during testing, while other dyes and methods did not change color. This matters because if pathologists misinterpret these color changes, it could lead to incorrect treatment decisions regarding cancer patients. Who this helps: This helps pathologists and doctors making diagnostic decisions based on biopsy results.

PubMed

Deep Neural Network Driven Speech Classification for Relevance Detection in Automatic Medical Documentation.

2021

Studies in health technology and informatics

Ahamed S, Weiler G, Boden K, Januschowski K, Stennes M +7 more

Plain English
This study looked at how well deep learning models can sort through spoken words during medical exams to identify which parts are important for documentation. They discovered that more than 50% of the speech during follow-up visits for patients receiving eye injections was not relevant. The researchers found that Convolutional Neural Networks (CNNs) performed better than other models, achieving a high accuracy rate of 92.41% in identifying relevant speech, which can help make medical documentation faster and cheaper. Who this helps: This benefits doctors and healthcare staff by streamlining the documentation process.

PubMed

A mixed-methods examination of the gap between intelligence and adaptive functioning in autistic young adults without intellectual disability.

2021

Autism : the international journal of research and practice

Matthews NL, Christenson K, Kiefer S, Smith CJ

Plain English
This study looked at how well autistic young adults without intellectual disabilities can manage everyday life skills, like living independently. It found that even though these individuals often have the intelligence to succeed in education and work, they struggle with daily tasks, highlighting the need for more support. For instance, their adaptive functioning challenges can hinder their independence, showing a critical gap between their potential and actual living skills. Who this helps: This research benefits autistic young adults and the professionals who support them, guiding better intervention strategies.

PubMed

Selective intra-carotid blood cooling in acute ischemic stroke: A safety and feasibility study in an ovine stroke model.

2021

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

Cattaneo GF, Herrmann AM, Eiden SA, Wieser M, Kellner E +18 more

Plain English
This study looked at a method for cooling the brain during a stroke using a special catheter in sheep. The researchers found that the cooling method significantly lowered the brain temperature by 1.1°C to 3.1°C after an hour, compared to only 0.3°C to 0.4°C in the control group, which didn't receive the cooling treatment. However, the cooling did not lead to any noticeable differences in brain damage or recovery between the two groups, suggesting that while the method is safe and feasible, more research is needed to see if it actually improves outcomes. Who this helps: This helps patients who suffer from acute ischemic strokes.

PubMed

Scaling up Business Plans in Tajikistan: a qualitative study of the history, barriers, facilitators and lessons learnt.

2021

Global health action

Werner SS, Afandiyeva G, Karimova G, Kiefer S, Abdujabborov N +3 more

Plain English
Researchers studied the introduction of Business Plans in Tajikistan's primary health care system to see how they were implemented, what challenges they faced, and what lessons were learned. They found that the Business Plans were successfully expanded to cover 45% of health facilities thanks to strong support from key stakeholders and user groups, but they also faced significant challenges like limited resources and governance issues. This matters because improving how health services are managed can lead to better care for communities. Who this helps: Patients and healthcare providers in Tajikistan.

PubMed

Assessing the Quality of Care at Primary Health Care Level in Two Pilot Regions of Albania.

2021

Frontiers in public health

Saric J, Kiefer S, Peshkatari A, Wyss K

Plain English
This study examined the quality of primary health care services in two regions of Albania before and after a four-year project aimed at improving healthcare. It found that the facilities' infrastructure and patient satisfaction improved significantly, with infrastructure scores rising notably, especially in rural areas. However, issues with infection control and diabetes treatment still need attention, indicating that while progress was made, more investments and actions are necessary to ensure consistent quality in healthcare. Who this helps: Patients in Albania benefit from better healthcare services.

PubMed

Nutritional status of Tajik children and women: Transition towards a double burden of malnutrition.

2020

Maternal & child nutrition

Barth-Jaeggi T, Zandberg L, Bahruddinov M, Kiefer S, Rahmarulloev S +1 more

Plain English
This study looked at the nutritional health of Tajik women and children, finding that many are affected by both obesity and undernutrition. Among Tajik women, 24.5% were overweight and 13.0% were obese, while many had deficiencies in essential nutrients like iron (38.0% were iron deficient) and vitamin A (46.5%). For children, 20.9% were stunted, indicating chronic undernutrition, especially in rural areas. This matters because it highlights a growing and complex health issue where some people are overweight while others are undernourished, requiring targeted dietary interventions. Who this helps: This helps patients, particularly women and children in Tajikistan, by informing strategies for better nutrition.

PubMed

Patient empowerment for cancer patients through a novel ICT infrastructure.

2020

Journal of biomedical informatics

Kondylakis H, Bucur A, Crico C, Dong F, Graf N +11 more

Plain English
The study focused on how a new technology system can help cancer patients take charge of their health through tools like personal health systems and games. The findings showed that while the overall impact on patient empowerment was mixed, the adult participants reported better coping skills, mood, and resilience when dealing with cancer. This matters because it highlights the potential for tech-driven support to improve the quality of life for cancer survivors. Who this helps: This helps cancer patients and their families by offering better support tools for managing their health.

PubMed

Evaluation of a biocompatible sealant for on-demand repair of vascular defects-a chronic study in a large animal model.

2020

Interactive cardiovascular and thoracic surgery

Wussler D, Kiefer S, Naumann S, Hackner D, Nadjiri J +8 more

Plain English
This study evaluated a new sealing product called SETALIUM™ Vascular Sealant (SVS) for repairing blood vessel defects in pigs and compared its performance to an existing sealant called BioGlue. The researchers found that SVS effectively sealed small defects without causing harmful blockages or inflammation and allowed for better blood flow compared to BioGlue. This is important because it suggests that SVS could provide a safer and more effective option for surgical repairs of blood vessels. Who this helps: This helps patients undergoing vascular surgeries and the doctors performing these procedures.

PubMed

Personally managed health data: Barriers, approaches and a roadmap for the future.

2020

Journal of biomedical informatics

Kondylakis H, Koumakis L, Tsiknakis M, Kiefer S

PubMed

Voxel-based comparison of [Ga]Ga-RM2-PET/CT and [Ga]Ga-PSMA-11-PET/CT with histopathology for diagnosis of primary prostate cancer.

2020

EJNMMI research

Fassbender TF, Schiller F, Zamboglou C, Drendel V, Kiefer S +3 more

Plain English
This study looked at how two different imaging scans, [Ga]Ga-RM2-PET/CT and [Ga]Ga-PSMA-11-PET/CT, can help doctors better identify and understand prostate cancer in patients before treatment. It was found that in 4 out of 8 patients, the RM2 scan showed stronger signals in tumor areas compared to the PSMA scan, and both scans provided unique information about the cancer's location. Understanding these different signals from both scans can help doctors more accurately map out the cancer, which is important for planning effective treatment. Who this helps: Patients with prostate cancer may benefit from improved imaging techniques that provide better information for their treatment plans.

PubMed

Isotropic Expansion of the Intraprostatic Gross Tumor Volume of Primary Prostate Cancer Patients Defined in MRI-A Correlation Study With Whole Mount Histopathological Information as Reference.

2020

Frontiers in oncology

Kramer M, Spohn SKB, Kiefer S, Ceci L, Sigle A +8 more

Plain English
This study looked at how accurately MRI images can measure the size of prostate tumors before surgery. Researchers found that the tumors were often bigger than what MRI showed; for example, the average tumor size noted in pathology was 4.7 cm, while the MRI showed only 2.6 cm. By increasing the MRI measurements by 2 mm, they found it could more accurately match the true tumor size, potentially benefiting treatment planning and reducing the risk of overtreatment. Who this helps: Patients with prostate cancer.

PubMed

Comparison of Manual and Semi-Automatic [F]PSMA-1007 PET Based Contouring Techniques for Intraprostatic Tumor Delineation in Patients With Primary Prostate Cancer and Validation With Histopathology as Standard of Reference.

2020

Frontiers in oncology

Spohn SKB, Kramer M, Kiefer S, Bronsert P, Sigle A +9 more

Plain English
This study looked at two methods for identifying and outlining cancerous areas in the prostate using a special imaging technique called [F]PSMA-1007 PET. Researchers found that manual contouring created a more consistent outline of tumors, with a high agreement rate (90%), and high sensitivity (87%) and specificity (96%) when compared to actual tumor samples. Semi-automatic methods were also effective, especially when using a threshold of 20% of the maximum image signal, achieving a sensitivity of 93% and a specificity of 96%, which helps in accurately targeting treatment. Who this helps: Patients with prostate cancer undergoing treatment.

PubMed

Early Enteral Administration of a Complex Lipid Emulsion Supplement Prevents Postnatal Deficits in Docosahexaenoic and Arachidonic Acids and Increases Tissue Accretion of Lipophilic Nutrients in Preterm Piglets.

2020

JPEN. Journal of parenteral and enteral nutrition

Akinsulire O, Perides G, Anez-Bustillos L, Cluette-Brown J, Nedder A +16 more

Plain English
Researchers studied the effects of a special fat supplement on preterm piglets to see if it could help prevent nutrient deficiencies after birth. They found that while one type of supplement (CLS2) successfully maintained important fatty acid levels, others led to declines. Specifically, the supplement with a higher ratio of arachidonic acid to docosahexaenoic acid (1.2) kept arachidonic acid levels stable, which is crucial for growth and development. Who this helps: This benefits preterm infants by ensuring they get the necessary nutrients for healthy development.

PubMed

Accuracy of [Ga]Ga-RM2-PET/CT for diagnosis of primary prostate cancer compared to histopathology.

2019

Nuclear medicine and biology

Fassbender TF, Schiller F, Mix M, Maecke HR, Kiefer S +3 more

Plain English
This study looked at how well a special imaging test, [Ga]Ga-RM2-PET, can detect primary prostate cancer compared to standard tissue examinations (histopathology) in patients who are having prostate surgery. Out of 15 patients, the imaging test found signs of cancer in 14, but the overall accuracy when comparing the two methods was only about 63%. This is important because it shows that while the imaging test can detect cancer, it might not always pinpoint its exact location or severity as accurately as traditional methods. Who this helps: This helps doctors and patients by providing information on the effectiveness of new imaging techniques for diagnosing prostate cancer.

PubMed

Radiomic features from PSMA PET for non-invasive intraprostatic tumor discrimination and characterization in patients with intermediate- and high-risk prostate cancer - a comparison study with histology reference.

2019

Theranostics

Zamboglou C, Carles M, Fechter T, Kiefer S, Reichel K +10 more

Plain English
This study looked at how well certain imaging features from a type of PET scan (PSMA PET) can distinguish and describe prostate tumors in patients with intermediate- and high-risk prostate cancer without needing an invasive procedure. The researchers tested these features on 20 patients and found that 86% of the features strongly correlated with the actual tumor characteristics identified through standard tissue analysis, and a specific feature, QSZHGE, was very effective at distinguishing between lower-grade (Gleason score 7) and higher-grade (Gleason score 8 or more) tumors with scores of 0.93 and 0.91 in two separate groups of patients. This is important because it shows that PSMA PET scans can help identify tumor types and aggressiveness based on imaging alone, which could improve cancer care without needing additional biopsies. Who this helps: This helps patients with prostate cancer, as well as their doctors, in making more informed treatment decisions.

PubMed

[Ga-]PSMA-11 PET/CT and multiparametric MRI for gross tumor volume delineation in a slice by slice analysis with whole mount histopathology as a reference standard - Implications for focal radiotherapy planning in primary prostate cancer.

2019

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

Bettermann AS, Zamboglou C, Kiefer S, Jilg CA, Spohn S +9 more

Plain English
This study compared two imaging techniques, PSMA-PET/CT and multiparametric MRI (mpMRI), to see which one better identifies tumor areas in prostate cancer before surgery. They found that PSMA-PET/CT was more effective, accurately identifying tumors in 86% of cases, while mpMRI only had a sensitivity of 58%. This matters because better imaging can lead to more precise treatments for prostate cancer, improving outcomes for patients. Who this helps: Patients with prostate cancer looking for targeted treatment options.

PubMed

Validation of different PSMA-PET/CT-based contouring techniques for intraprostatic tumor definition using histopathology as standard of reference.

2019

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

Zamboglou C, Fassbender TF, Steffan L, Schiller F, Fechter T +16 more

Plain English
This study looked at different techniques for identifying tumor areas in the prostate using a specialized imaging method called PSMA-PET/CT, with the aim of improving cancer diagnosis and treatment. Researchers found that using specific image scaling techniques can lead to very high accuracy—one method achieved an impressive sensitivity of over 86% for detecting tumors, while another method maintained 100% specificity, meaning it correctly identified tumors without false positives. This research is important because accurately defining tumor boundaries is crucial for effective patient care in prostate cancer treatment. Who this helps: This benefits patients with prostate cancer by improving the accuracy of their diagnosis and treatment.

PubMed

Hematite (α-FeO) - A potential Cecarrier in red mud.

2018

The Science of the total environment

Bolanz RM, Kiefer S, Göttlicher J, Steininger R

Plain English
This study looked at red mud, a waste product from aluminum production, to understand how cerium, a rare earth element, is stored within it. Researchers found that the iron oxide hematite can hold up to 1.70% cerium, which is important because this could help in using red mud more effectively and finding new ways to recycle valuable materials. The study highlighted that red mud contains an average cerium concentration of about 464 mg/kg, mostly found in the iron-rich parts of the material. Who this helps: This benefits environmental scientists and industries working on recycling and waste management.

PubMed

Proteomic Characterization of Prostate Cancer to Distinguish Nonmetastasizing and Metastasizing Primary Tumors and Lymph Node Metastases.

2018

Neoplasia (New York, N.Y.)

Müller AK, Föll M, Heckelmann B, Kiefer S, Werner M +4 more

Plain English
This study looked at the protein patterns in prostate cancer tissues to understand the differences between tumors that stay localized and those that spread to lymph nodes. Researchers found that in metastatic tumors, there were higher levels of certain proteins related to cell metabolism and lower levels of proteins that help cells stick together. Specifically, 1,200 proteins were examined, and significant protein changes were identified, which could lead to new treatment options, including the use of PARP inhibitors for aggressive prostate cancer. Who this helps: This helps patients with prostate cancer and their doctors by providing insights for better treatment strategies.

PubMed

Effects of heart rate variability biofeedback during exposure to fear-provoking stimuli within spider-fearful individuals: study protocol for a randomized controlled trial.

2018

Trials

Schäfer SK, Ihmig FR, Lara H KA, Neurohr F, Kiefer S +3 more

Plain English
This study looks at how heart rate variability (HRV) biofeedback can help people who are afraid of spiders during therapy sessions where they face their fear. Eighty participants with spider fear were trained in HRV biofeedback and tested after watching spider videos. The researchers wanted to see if this method could lower their fear more effectively than other tasks that didn’t have the same physiological basis. If successful, HRV biofeedback could be a simple and effective way to enhance therapy for specific phobias. Who this helps: This research benefits patients with specific phobias, particularly those afraid of spiders.

PubMed

XplOit: An Ontology-Based Data Integration Platform Supporting the Development of Predictive Models for Personalized Medicine.

2018

Studies in health technology and informatics

Weiler G, Schwarz U, Rauch J, Rohm K, Lehr T +13 more

Plain English
This study focused on creating a new platform called XplOit that helps combine and organize medical data to develop better predictive models for personalized medicine, specifically for patients undergoing stem cell transplants. The researchers found that using this platform allows doctors to have better access to various types of health data while maintaining patient privacy, which is crucial for assessing risks related to viral infections and transplant reactions. This is important because it helps tailor treatments to individual patients, leading to improved outcomes. Who this helps: This benefits patients receiving stem cell transplants and their doctors.

PubMed

iManageMyHealth and iSupportMyPatients: mobile decision support and health management apps for cancer patients and their doctors.

2018

Ecancermedicalscience

Schera F, Schäfer M, Bucur A, van Leeuwen J, Ngantchjon EH +5 more

Plain English
This research paper focused on a new mobile platform designed to help cancer patients and their doctors manage treatment and side effects more effectively. The platform, called iManageCancer, connects various tools that offer personalized support based on the latest medical knowledge. Early assessments suggest that it can improve how patients deal with symptoms like pain and fatigue while keeping healthcare providers informed about their condition. Who this helps: This benefits cancer patients and their doctors by providing them with better tools for managing care together.

PubMed

Health-seeking behaviour and treatment delay in patients with pulmonary tuberculosis in Switzerland: some slip through the net.

2018

Swiss medical weekly

Auer C, Kiefer S, Zuske M, Schindler C, Wyss K +12 more

Plain English
This study looked at how long it took for patients with pulmonary tuberculosis (TB) in Switzerland to seek help and start treatment. Researchers found that the average time from when symptoms appeared to when people saw a doctor was 5.2 weeks, and once they met with a doctor, it took an additional 2 weeks to start treatment. It's important because some patients experienced delays of over 7 weeks, which could lead to worse health outcomes, highlighting the need for doctors to suspect TB even in lower-risk patients. Who this helps: This helps patients and their primary care doctors.

PubMed

More Relaxation by Deep Breath on Methacholine- Than on Exercise-Induced bronchoconstriction during the Routine Testing of Asthmatic Children.

2017

Frontiers in physiology

Ioan I, Tatopoulos A, Metche S, Coutier L, Houriez E +7 more

Plain English
In this study, researchers looked at how deep breathing affects children with asthma when they face two different triggers: methacholine and exercise. They found that deep breathing helped relax the airways more in cases triggered by methacholine (with a significant increase in airway conductance) compared to those triggered by exercise, where less improvement was observed. This matters because it shows that airway inflammation from exercise makes it harder for deep breathing to provide relief, which has important implications for how asthma is tested and treated in children. Who this helps: This helps children with asthma and their doctors.

PubMed

Frequent Co-Authors

Juri Ruf Constantinos Zamboglou Peter Bronsert Cordula A Jilg Anca L Grosu Thomas F Fassbender Norbert Graf Kerstin Rohm Gabriele Weiler August Sigle

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.