Abel Avitesh Chandra

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Researchers studied whether a substance in the blood called Lp(a) increases stroke risk in Hispanic and Latino adults, examining over 16,000 people and using brain scans on 2,600 of them. They found that people with the highest levels of Lp(a) were nearly twice as likely to have had a stroke or mini-stroke, and this substance was also linked to damage in the brain's white matter (the tissue that connects different brain regions). This matters because while doctors already know Lp(a) contributes to heart disease, this research shows it's also an independent risk factor for strokes in Hispanic and Latino populations, suggesting doctors should pay attention to this marker when assessing stroke risk in these communities.

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Cardiologists gathered in August 2024 to share new ways to prevent heart disease, focusing on treating heart, kidney, and metabolic problems together as connected issues rather than separately. The conference highlighted that starting cholesterol-lowering drugs early and tailoring treatments to individual patients based on their genetics and risk factors work better than one-size-fits-all approaches. These findings matter because they give doctors practical tools to catch heart disease before it develops and could save millions of lives by preventing disease rather than just treating it after it starts.

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Doctors studied two patients with a rare immune condition called Type II heparin-induced thrombocytopenia, where the body attacks blood cells when given a common blood thinner called heparin—a dangerous situation because these patients need heart surgery urgently but can't safely use standard blood thinners. The doctors used a drug called epoprostenol during surgery to protect the patients' blood cells while allowing them to safely receive heparin during the operation, and both patients survived the surgery without blood clots or excessive bleeding. This approach offers heart failure patients with this rare immune condition a way to have life-saving heart device surgery safely.

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Researchers documented a 33-year-old woman with lupus whose heart valve (specifically the mitral valve) deteriorated severely over just five years. The rapid damage happened faster than doctors typically expect, suggesting that current guidelines for monitoring lupus patients' heart health may not catch these dangerous changes quickly enough. This case shows that lupus patients need more frequent heart valve check-ups than standard practice currently recommends.

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Pulmonary embolism (a blood clot in the lung) kills many people each year, and doctors didn't have clear guidelines on the best way to treat it, especially for moderate cases. Hospitals created pulmonary embolism response teams—groups of different specialists working together to decide on treatment—and these teams have helped doctors treat blood clots more consistently and effectively, reducing deaths and hospital stays. These teams also made it easier for doctors to use newer, more advanced treatment options like special catheters to break up clots.

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Researchers studied over 5,000 Hispanic/Latina women to see if pregnancy complications involving high blood pressure (gestational hypertension, preeclampsia, and eclampsia) leave lasting damage to the heart years later. Women who had experienced these pregnancy complications showed weakened heart function and abnormal thickening of the heart muscle compared to women without these complications, even after accounting for whether they had high blood pressure now. The damage wasn't simply explained by high blood pressure alone—current high blood pressure accounted for only some of the heart problems, meaning the pregnancy complications caused additional harm to the heart that persists independently. These findings show that high blood pressure during pregnancy can cause measurable, detectable changes to heart structure and function that last decades after pregnancy ends.

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Surgeons use monitoring devices during neck spine surgery to avoid damaging nerves, but doctors disagree about which procedures actually need this monitoring and which devices work best. Researchers analyzed nearly 9,000 neck surgeries to compare three types of nerve monitoring and found that one device (SSEP) was used most often while another (MEP) rarely triggered alerts, and that surgeries involving more spine levels produced more warning signals. The findings show that current monitoring practices are inconsistent, and hospitals need better guidelines to determine which monitoring devices are truly necessary for different types of neck spine surgery.

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Researchers compared how well patients with two types of bladder cancer—a rare aggressive variant called micropapillary and the more common conventional type—survived after having their bladders surgically removed. They found that the rare micropapillary type spread to lymph nodes more often and had much worse survival rates, especially in patients with more advanced tumors at diagnosis. This matters because it shows doctors need to treat micropapillary bladder cancer more aggressively than standard bladder cancer, since it behaves more dangerously even when caught at earlier stages.

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Researchers compared two surgical approaches for removing adrenal gland cancers: minimally invasive surgery (small cuts with a camera) versus traditional open surgery (large cut). They found that minimally invasive surgery worked just as well at eliminating the cancer and required the same amount of follow-up treatment, but patients recovered faster with shorter hospital stays and fewer readmissions. This matters because it means doctors can offer cancer patients a less traumatic surgical option without sacrificing their chances of survival, though they need to carefully select which patients are appropriate candidates for the minimally invasive approach.

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Surgeons sometimes need to use tissue grafts (called flaps) to cover and heal serious wounds after knee replacement surgery, especially when redoing a previous surgery. Researchers compared six different types of tissue grafts to see which ones worked best, looking at how many wounds healed successfully and how many patients had problems. The most commonly used graft (from the calf muscle) healed wounds about as well as other grafts, but it caused more complications like infections or poor healing—while a simpler skin graft had far fewer problems. Since all the grafts performed similarly in terms of healing, doctors should choose which graft to use based on the size and location of the wound, their own experience, and what the patient can tolerate.

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Researchers compared two surgical approaches for treating a specific type of knee tumor called diffuse-type tenosynovial giant cell tumor: minimally invasive arthroscopic surgery (using a camera and small tools) versus traditional open surgery (making a larger incision). After analyzing 16 studies involving 1,143 patients, they found that arthroscopic surgery had a significantly higher recurrence rate—tumors came back 56% more often with arthroscopic surgery compared to open surgery. The findings matter because they show that despite arthroscopic surgery being less invasive and easier on patients, the traditional open surgical approach is more effective at preventing the tumor from returning, and both methods have low complication rates, so surgeons can make an informed choice based on what their patients need.

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Researchers compared how often female orthopedic surgeons appeared on Castle Connolly's "America's Top Doctors" list between 2000 and 2020, and found that the percentage increased from 1.3% to 5.3%—matching the growth in female orthopedic surgeons overall during that same period. While more female orthopedic surgeons are being recognized, women still make up only about 6% of the field, revealing a significant gender imbalance in this medical specialty.

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Researchers examined 1,433 patients who had surgery for adrenocortical carcinoma (a rare cancer of the adrenal glands) and looked at whether adding radiation therapy after surgery improved survival rates. They found that patients who received radiation therapy after surgery lived significantly longer than those who didn't, with the benefit being strongest in patients whose tumors had positive surgical margins (meaning cancer cells remained after surgery), were larger than 6 centimeters, or were high-grade (more aggressive). This matters because adrenocortical carcinoma is a deadly cancer with high recurrence rates, and this study provides evidence that radiation therapy after surgery can meaningfully extend patients' lives—particularly helping those at the highest risk of the cancer coming back.

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A woman's IUD (birth control device) broke apart, and a piece traveled into her ureter (the tube that carries urine from the kidney to the bladder), causing pain and blood in her urine. Doctors used a camera-guided tool to look inside her urinary tract and successfully removed the broken piece without surgery. The case shows that when women with IUDs have unexplained abdominal pain or blood in their urine, doctors should consider the possibility that the IUD has migrated or broken apart, and that using an endoscope (a thin camera tool) is an effective way to find and remove these fragments.

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Researchers created a computer program called RAM-PGK that identifies which locations in proteins have undergone a specific chemical modification called phosphoglycerylation, which affects how cells function. Scientists previously had to use expensive, slow lab techniques like mass spectrometry to find these modifications, so they built this faster computational tool that examines the sequence of amino acids around each potential modification site. The new program outperforms existing prediction methods, though its accuracy rates show there's still room for improvement before it becomes fully reliable for practical use.

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Researchers documented a rare case of a man whose cancer of the urinary tract spread to his brain as an isolated tumor, appearing five years after he was cancer-free following treatment for a similar cancer. The doctors surgically removed the brain tumor and gave him radiation therapy, and lab tests confirmed it came from the same type of cancer in his urinary system. This case matters because brain metastases from urinary tract cancers are extremely uncommon, and when they do occur after such a long delay with no other spread in the body, doctors have little guidance on how to treat them—so documenting this case and reviewing similar ones helps physicians understand their options.

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A 52-year-old woman needed surgery to remove a large fibroid (benign tumor) from her uterus, but surgeons discovered her blood vessels were arranged in an unusually complicated way that made the operation risky. The surgical team used a real-time imaging technique called transradial angiography—threading a tiny camera through an artery in her wrist to map out her blood vessels—which let them see exactly where everything was and safely complete the surgery. This case shows that when standard surgery hits unexpected complications, having imaging technology available in the operating room and getting different surgical specialists to work together can help doctors safely treat patients who would otherwise have to abandon their operations.

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Researchers created a new computer program called EvolStruct-Phogly that predicts where a specific chemical modification (phosphoglycerylation) occurs on proteins by analyzing the protein's structure and evolutionary history. Finding these modification sites experimentally is expensive and slow, so a better prediction tool saves time and money in research. The new program correctly identified these modified sites about 83% of the time, outperforming existing prediction tools.

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Researchers created a computer tool called GlyStruct that predicts where sugar molecules attach to proteins in the human body—a process called glycation that damages proteins and causes age-related diseases like diabetes complications. The tool analyzes the physical structure of proteins rather than their genetic sequence, and it correctly identified which protein locations were glycated about 76% of the time, performing 10% better than previous methods. This matters because doctors could eventually use this tool to better understand and treat diseases caused by protein damage.