Jeff Zitsman

Plain English
This study looked at how sleeve gastrectomy, a type of weight-loss surgery, affects young people in urban settings, particularly focusing on different racial and insurance groups. Researchers found that after surgery, all groups showed significant improvements in body weight and other health markers, like blood sugar and cholesterol levels, but non-Hispanic participants had lower blood sugar levels than Hispanic participants. This matters because it shows that sleeve gastrectomy can help urban youth lose weight and improve their health, but there are differences that need to be understood better. Who this helps: This helps urban youth struggling with obesity and their healthcare providers.

Plain English
This study looked at two different surgical methods for removing linear foreign bodies (like string or ribbon) stuck in dogs and cats. The researchers found that the laparotomy-assisted endoscopic method took less time for anesthesia and shorter hospital stays compared to the traditional gastrotomy, with only 8% of the laparotomy patients getting infections versus 10% for gastrotomy patients. Importantly, no laparotomy-assisted patients developed serious post-surgery infections, while 1.6% of gastrotomy patients did. Who this helps: This benefits pet owners and veterinarians by providing a safer and more efficient surgical option for pets with foreign body obstructions.

Plain English
This study looked at how certain health factors in teenagers, like blood pressure and blood sugar levels, might affect how much weight they lose after a specific type of weight-loss surgery called laparoscopic sleeve gastrectomy. Researchers found that adolescents with higher blood pressure and abnormal blood sugar levels lost more weight after surgery, with those who had elevated blood pressure losing an average of 14% of their body weight within 6 months. This matters because identifying which teens are more likely to benefit from surgery can help doctors make better treatment decisions. Who this helps: This helps teenagers with severe obesity considering weight-loss surgery and their doctors.

Plain English
This study looked at the safety and effectiveness of bariatric surgery in children under 13 years old, compared to those aged 13 to 18. Researchers found that while there were 47 preteens in the study, they experienced no complications or unplanned hospital visits after surgery, which is the same as the teens. Both groups lost a significant amount of weight, with preteens losing about 9 kg in the first year after surgery, showing that early intervention can be effective. Who this helps: This benefits children with severe obesity, their families, and the doctors treating them.

Plain English
This study looked at childhood obesity rates and the availability of surgical options for severe obesity in different U.S. states. It found that states like Kentucky and Mississippi have high rates of childhood obesity, but fewer pediatric surgeons who can provide weight-loss surgery, while states like North Dakota and New Jersey have more surgical providers but lower obesity rates. This disparity highlights a critical gap in access to care for children with obesity, suggesting that more support and resources are needed in areas with high obesity rates. Who this helps: This benefits children with obesity and their families who need access to surgical treatment options.

Plain English
This study looked at how using an enhanced recovery after surgery (ERAS) protocol helps teenagers recover from weight-loss surgery. Researchers found that patients following the ERAS protocol were able to start eating again much sooner (10.7 hours compared to 21.5 hours), needed less pain medication (18.2 mg versus 97.0 mg), and stayed in the hospital for a shorter time (1.5 days versus 2.0 days) without any increase in emergency room visits or readmissions. This matters because it shows that the ERAS approach can make recovery faster and safer for young patients undergoing this type of surgery. Who this helps: It helps adolescents undergoing bariatric surgery and their healthcare providers.

Plain English
This study looked at how pediatric surgeons across the U.S. are using GLP-1 agonist medications to treat obesity in children who are considering weight loss surgery. Out of 46 surveyed surgeons, 86% said they sometimes prescribe these medications, but practices on when to pause or restart them before and after surgery varied widely. This inconsistency highlights the need for more research to create reliable guidelines for using GLP-1 agonists safely and effectively in children undergoing bariatric surgery. Who this helps: Patients and their families navigating obesity treatment options.

Plain English
This study looked at how the COVID-19 pandemic affected adolescents undergoing weight-loss surgery called laparoscopic sleeve gastrectomy. Researchers compared two groups: one that had surgery before the pandemic and another after it. They found that both groups lost similar amounts of weight—about 22 kg—after six and twelve months, showing that the pandemic did not negatively affect the success of the surgery. Who this helps: This benefits adolescents dealing with obesity and their healthcare providers.

Plain English
This study looked at patients who have both pectus excavatum, a condition where the chest is sunken in, and scoliosis, a sideways curvature of the spine, to see how these issues affect surgery. Researchers found that during surgery, the blood vessels between the spine and chest can be compressed, leading to serious drops in blood pressure and other health complications. This is important because understanding how to manage these risks can improve surgical outcomes for these patients. Who this helps: This helps patients with both pectus excavatum and scoliosis undergoing surgery.

Plain English
This study looked at how well laparoscopic sleeve gastrectomy (LSG), a type of weight loss surgery, works for children and teens with severe obesity. Over a period of up to 36 months, patients showed significant weight loss, with a reduction in their BMI Z-scores: for those under 13 years, it decreased by 1.79; for those aged 13-14, by 1.50; and for those 15 and older, by 1.16. Only two out of 114 patients experienced complications that required additional surgery, showing that this treatment is safe and effective. Who this helps: This research benefits children and adolescents struggling with severe obesity and their healthcare providers.

Plain English
This study looked at the effects of sleeve gastrectomy (SG) surgery, a common weight-loss procedure for obese adolescents, specifically focusing on splenic ischemia, which is reduced blood flow to the spleen. They reviewed 142 cases and discovered that 31% of the patients had splenic ischemia after surgery, with the risk increasing 2.3 times if particular blood vessels were cut during the operation. Despite this, the ischemia didn't lead to any noticeable complications or symptoms after surgery, suggesting it's a minor issue. Who this helps: This helps adolescents undergoing sleeve gastrectomy as well as their doctors by informing them about the low risk of serious complications related to splenic ischemia.

Plain English
This study looked at how body fat changes in teenagers with obesity after they have a type of weight-loss surgery called sleeve gastrectomy. Researchers used special imaging technology to measure fat in different areas of the body before and after the surgery. They found that, on average, these teens lost about 89% of their subcutaneous fat (the fat just under the skin), while their visceral (around organs) and intermuscular (between muscles) fat also decreased, although not as dramatically. This matters because it shows that adolescents may lose fat differently than adults after surgery, which can help tailor post-operative care and expectations for this patient group. Who this helps: This helps teenagers with obesity and their healthcare providers.

Plain English
This study investigated how to predict how adolescents with severe obesity and type 2 diabetes will respond to bariatric surgery by analyzing their glucose metabolism. The researchers found that certain measurements, like insulin secretion and sensitivity, are key in identifying which patients will experience better outcomes after surgery, with their best models predicting these outcomes with an accuracy rate of 77%. This is important because it can help doctors select the right patients for surgery, potentially improving their health and reducing complications. Who this helps: This helps adolescents with obesity and diabetes, as well as their healthcare providers.

Plain English
This study looked at the health conditions shared by adults and adolescents considering weight-loss surgery, specifically gastric sleeve surgery. It found that adult patients are more likely to have serious health issues like high blood pressure, diabetes, high cholesterol, and sleep apnea compared to adolescents. Reducing weight through surgery at a younger age may help lower the risk of these health problems in the future, allowing for better overall health. Who this helps: This benefits adolescents looking to undergo weight-loss surgery and their healthcare providers.

Plain English
During the COVID-19 pandemic, children with acute appendicitis waited longer to seek medical help, which led to more severe cases. In 2020, patients had a median of 2 days of symptoms before going to the hospital, compared to 1 day in 2019. As a result, complications like perforation and abscesses were more common, and patients required longer hospital stays and more intensive treatment. Who this helps: This information benefits doctors and hospitals treating pediatric patients with appendicitis.

Plain English
This study looked at the long-term effects of a weight-loss surgery called laparoscopic adjustable gastric banding (LAGB) in teenagers aged 14-18 with severe obesity over five years. While the average weight loss peaked at about 41% of excess weight after three years, only 18% of the participants achieved at least 50% weight loss over the entire study period. Additionally, nearly half of the patients needed further surgery, and many experienced complications like heartburn. Who this helps: This information is valuable for doctors and families considering weight-loss options for obese adolescents.

Plain English
This study examined how a children's hospital in New York City adjusted its surgical decision-making during the COVID-19 pandemic. The team found that they needed to carefully balance the risks of performing surgeries with the potential dangers of delaying them, adapting their practices for different types of surgeries, including those for cancer and trauma. This work is important because it helps ensure that pediatric patients receive safe and effective care while managing limited hospital resources during a crisis. Who this helps: This helps pediatric patients and their families, as well as doctors making critical surgical decisions.

Plain English
This study looked at the effects of two types of weight-loss surgery—sleeve gastrectomy (SG) and laparoscopic adjustable gastric banding (LAGB)—on bone health in teenagers. Researchers found that after surgery, both groups saw increases in vitamin D and calcium levels, but those who had SG showed a significant rise in certain markers related to bone turnover. This matters because it highlights potential changes in bone health after SG, which could affect teens’ long-term bone strength and risk of fractures. Who this helps: This is important for adolescents undergoing weight-loss surgery and their doctors.

Plain English
This study investigated how the reactivation of cytomegalovirus (CMV) affects immune recovery in monkeys that received bone marrow transplants. Researchers found that CMV reactivation occurred in all the monkeys with prior CMV exposure, and those treated with rapamycin experienced this reactivation later than those treated with cyclosporine A. Effective treatment with high doses of ganciclovir was necessary before the virus reached a critical level to prevent serious health issues, highlighting the importance of monitoring CMV in transplant patients. Who this helps: This helps patients undergoing organ transplants who are at risk for CMV complications.

Plain English
Transplant tolerance—where the recipient's immune system accepts a donor organ without lifelong drugs—has been achieved for kidneys in primates but not for livers. This study tested whether creating temporary mixed bone marrow chimerism could induce tolerance to a transplanted liver in nonhuman primates. It did not, suggesting liver tolerance requires a fundamentally different approach than kidney tolerance.

Plain English
This study looked at 134 adolescents with severe obesity who were being evaluated for weight-loss surgery, specifically vertical sleeve gastrectomy. Out of these, 94 underwent a specialized test called an EGD, and 46% of those tests showed abnormalities, but only 22% of the teens with abnormal results needed additional medical treatment. Importantly, having an abnormal EGD didn't lead to changes in their surgery or cause any complications after the surgery. Who this helps: This research benefits adolescents seeking bariatric surgery and their healthcare providers.

Plain English
This research focused on studying and expanding a type of immune cell called regulatory T cells (Tregs) in Cynomolgus macaques to improve their use in medical research. The scientists developed four techniques to significantly grow these Tregs in the lab, with one method resulting in a 3000-fold increase from the original cells. This work is important because it paves the way for using these expanded Tregs in future clinical applications, potentially improving immune responses in therapies. Who this helps: This benefits researchers and doctors looking to enhance treatments for various immune-related diseases.

Plain English
This study looked at how effective bariatric surgery is for weight loss in obese adolescents and young adults. It analyzed data from 24 studies involving nearly 2,000 patients, showing that those who had gastric band surgery lost an average of 10.3 BMI points after three years, while those who had gastric sleeve surgery lost 13.0 points, and gastric bypass patients lost 15.0 points. These results highlight the potential of bariatric surgery as a successful option for significant weight loss in this age group when other treatment methods have failed. Who this helps: This benefits obese adolescents and young adults seeking sustainable weight loss solutions.

Plain English
The American Society for Metabolic and Bariatric Surgery updated its guidelines for treating severe obesity in teenagers, emphasizing that surgery can be an effective option for those with significant weight issues, particularly when combined with other treatment methods like lifestyle changes and medications. The new guidelines recommend considering surgery for teens with obesity classified as class II or class III if they also have related health problems, which affects many adolescents with obesity. This matters because early treatment can prevent long-term health issues linked to obesity, improving overall quality of life for affected teenagers. Who this helps: This helps teenagers struggling with severe obesity and their healthcare providers.

Plain English
This study looked at how being very overweight affects testosterone levels in obese teenage boys after they had weight loss surgery. Out of 37 boys studied, those with low testosterone also had high insulin and blood pressure. Although testosterone levels rose slightly after surgery—from an average of 268 ng/dL before surgery to 368 ng/dL two years later—this change wasn't considered significant, and higher body weight was linked to lower testosterone levels. Who this helps: This research benefits adolescent boys struggling with obesity and their healthcare providers.

Plain English
This study looked at whether regular multivitamin and mineral supplements are enough to prevent anemia in teens after they've had bariatric surgery, focusing on a common type called sleeve gastrectomy. Researchers found that while routine supplements prevented anemia, teens who had sleeve gastrectomy had lower folate levels compared to those who had a different surgery type, and folate levels dropped significantly in the months after surgery but returned to normal after a year. This matters because it highlights the need for extra folate supplements and regular check-ups to monitor nutrient levels after surgery. Who this helps: This helps adolescents undergoing bariatric surgery and their healthcare providers.

Plain English
This study looked at the differences in weight and mental health between adolescents who want bariatric surgery, those getting other types of treatment for obesity, and teens of normal weight. The researchers found that those seeking surgery had higher body mass indexes (BMIs) than the other groups. Although both groups of teens with obesity experienced more anxiety and eating issues than their peers with normal weight, their overall quality of life was similar when accounting for their weight. Who this helps: This helps adolescents struggling with obesity, as well as doctors who treat them.

Plain English
This study looked at how infusing special immune cells called regulatory T cells (Treg) could help with acceptance of transplanted bone marrow and kidneys in monkeys. The researchers found that in monkeys receiving Treg cells, 2 out of 5 showed long-term acceptance of donor cells and a kidney, lasting up to nearly a year without needing immunosuppressive drugs. This is important because it shows that using Treg cells can enhance the body's ability to accept donor organs and could lead to better outcomes for transplant patients. Who this helps: This helps patients receiving organ transplants.

Plain English
This study looked at the immune cells in the blood and organs of cynomolgus macaques, a type of monkey often used in medical research. Researchers found that these macaques have a lower ratio of one type of immune cell (CD4 to CD8 T-cells) compared to humans, and their blood contains a unique set of immune cells that isn’t typically found in people. Understanding these differences is important for scientists conducting immunology research to ensure they accurately interpret their findings. Who this helps: This helps researchers and veterinarians working with cynomolgus macaques in various settings.

Plain English
This study looked at 137 overweight teenagers who had laparoscopic adjustable gastric banding (LAGB) surgery to see how well it works for weight loss and health improvements over three years. The teens started with an average weight of 136 kg and showed significant weight loss after the surgery, with a reduction in their Body Mass Index (BMI) from about 48.3 to 39.3 kg/m² over three years. While many experienced health improvements, about 22% needed follow-up surgeries due to complications. Who this helps: This research benefits morbidly obese adolescents and their healthcare providers by showing the effectiveness of weight-loss surgery in this age group.

Plain English
This study looked at two types of weight loss surgery—laparoscopic adjustable gastric band (LAGB) and laparoscopic vertical sleeve gastrectomy (VSG)—to see which one helps morbidly obese adolescents lose more weight. Researchers found that after 24 months, patients who had VSG lost an average of 71% of their excess weight, compared to just 36% for those who had LAGB. This matters because VSG not only leads to better weight loss, but also involves fewer complications, making it a more effective option for these patients. Who this helps: This benefits morbidly obese adolescents considering weight loss surgery.

Plain English
This study looked at suicidal thoughts and behaviors in adolescents who had weight loss surgery. Out of 206 teens, 15% (31 teens) had reported suicidal thoughts or actions before surgery. These teens also had lower quality of life and more depression symptoms compared to those who never experienced such thoughts. It's important for doctors to check in on the mental health of young patients undergoing this type of surgery. Who this helps: This helps doctors and mental health professionals working with adolescents considering weight loss surgery.

Plain English
This study focused on enhancing the preservation and effectiveness of regulatory T cells (Treg), which help the immune system tolerate transplanted organs. Researchers found that they could expand Treg from baboons more than 10,000 times, and while freezing caused some loss in their ability to suppress immune responses, restimulating them after thawing significantly improved their function and viability. This is important because it means that Treg can be stored and used effectively in future transplant procedures. Who this helps: This research benefits patients undergoing organ transplants by potentially improving the success of the procedure.

Plain English
This study looked at the presence of a specific gene mutation (MC4R) in very overweight teenagers getting weight-loss surgery and how well they lost weight afterwards. Out of 135 patients, only 5 had this mutation, and those who had surgery lost an average of 36% to 96% of their excess weight in the first year after surgery. Although the mutation group seemed to lose more weight than a larger control group, the difference was not significant. Who this helps: This study helps doctors understand weight loss outcomes in morbidly obese adolescents, especially those with MC4R mutations.

Plain English
This study looked at the size of fat cells and the types of proteins they produce in morbidly obese teenagers, focusing on differences between boys and girls. The researchers found that boys had larger fat cells compared to girls, which could be linked to a higher risk of health issues related to obesity, such as high cholesterol. Specifically, larger fat cells in the abdominal area were related to lower levels of good cholesterol, highlighting the health risks faced by obese adolescents. Who this helps: This helps doctors and healthcare providers understand the risks for their obese teenage patients.

Plain English
This study looked at gastric band surgery for teenagers, a procedure that helps limit the amount of food they can eat in order to promote weight loss. The researchers reviewed the history, how the operation is done, aftercare, and potential complications, showing that it can help in reducing food intake. This matters because it offers a surgical option for adolescents struggling with obesity, which can lead to significant health improvements. Who this helps: This benefits adolescents dealing with obesity and their healthcare providers.

Plain English
This study examined health issues related to hormone production and menstrual cycles in severely overweight teenage girls. Out of 174 participants, 24 were diagnosed with polycystic ovary syndrome (PCOS), and 33% of all girls showed signs of metabolic syndrome, which can lead to diabetes and heart problems. Notably, the researchers found that the specific hormonal issues linked to PCOS did not correlate with metabolic syndrome in these adolescents. Who this helps: This information benefits doctors treating obese adolescent girls and helps improve care for this patient group.

Plain English
This research examines the increasing number of children and teens with obesity and the growing trend of recommending weight loss surgery for them. The authors detail how medical teams evaluate young patients for these surgeries, the types of procedures available, and the results that have been seen. This is important because it helps healthcare providers understand how to effectively manage severe obesity in young people and what support systems are necessary for their care. Who this helps: This benefits children and adolescents struggling with obesity, their families, and healthcare providers.

Plain English
This study looked at how well adolescents who had weight loss surgery (laparoscopic adjustable gastric banding) keep up with their follow-up appointments over two years. It found that about 62% of the teens stuck to their appointments, while about 10% stopped going to appointments quickly, and those who struggled with depression or overeating before surgery were less likely to keep their visits. This matters because those who attended follow-ups lost more weight, showing that staying in touch with healthcare providers is crucial for success after surgery. Who this helps: This helps adolescents undergoing weight loss surgery and their doctors.

Plain English
This study looked at the school performance and thinking skills of teens with severe obesity who were being considered for weight-loss surgery. The findings showed that over half (55.5%) struggled in school, with some failing grades or subjects, and their intelligence test scores were lower as their weight increased. Understanding these challenges is important because it can help teachers and counselors provide better support for these students. Who this helps: This helps students with obesity, their families, and educational staff.

Plain English
This study looked at how weight-loss surgery affects the eating behaviors and hormone levels of obese teenagers. Researchers found that before surgery, these teens had higher levels of the hormone leptin and lower levels of ghrelin compared to non-overweight teens, but their actual food intake during a test meal was similar. After surgery, those who participated showed a significant decrease in body mass index (BMI) by 3.5 points and ate less during a meal, but their hormone levels did not change significantly. Who this helps: This research benefits teenagers considering bariatric surgery and their healthcare providers.

Plain English
This research focuses on the importance of mental health evaluations for teenagers before they undergo weight loss surgery. The study found that out of 200 adolescents assessed, 31.5% were currently experiencing significant mental health issues, while 29.5% were receiving some form of mental health treatment. These findings emphasize that thorough mental health evaluations are crucial for teens considering this type of surgery to ensure they are prepared both physically and emotionally. Who this helps: This helps adolescents planning for bariatric surgery and their healthcare providers.

Plain English
This study looked at the mental health and weight loss of very obese teens who had laparoscopic adjustable gastric banding (LAGB) surgery. Researchers followed 101 adolescents aged 14 to 18 for a year after their surgery and found significant improvements in their depression and quality of life scores. Specifically, their depressive symptoms decreased significantly, and their quality of life improved, likely influenced by issues like family conflict and eating behaviors. Who this helps: This helps adolescents struggling with obesity and their families as well as healthcare providers involved in their care.