Clinical Trials About "Preoperative thyroid function weight loss after bariatric surgery" RSS

18:34 EST 18th November 2018 | BioPortfolio

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Showing "Preoperative thyroid function weight loss after bariatric surgery" Clinical Trials 1–25 of 28,000+

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The Effect of Bariatric Surgery on Thyroid Function and Morphology

The aim is to evaluate the effect of dramatic weight loss after bariatric surgery on thyroid function (thyroid hormone levels and particulary morphological changes) in the short and long-term setting of a cross-sectional study. A particular focus will be made with regard to putting into correlation preoperative thyroid function abnormalities and postoperative changes over time with respect to the type of bariatric intervention carried out.

Thyroid in Bariatric Surgery

This study is expected to provide novel data regarding potential structural and functional changes of the thyroid gland in morbidly obese adults following significant weight loss through bariatric surgery. These data will complement evidence from epidemiological studies regarding the association of obesity and alterations in thyroid function. Potentially this study may justify further longer-term studies regarding the effects of weight gain and/or weight loss on the morphology ...

Preoperative Dry Lean Body Mass as a Prognostic Factor for Excess Weight Loss After Bariatric Surgery.

Bariatric surgery is currently the only method that has proven long-term effectiveness in obesity. Although the benefit of physical activity on weight loss has been demonstrated, no correlation has ever been reported between preoperative lean body mass and postoperative weight loss. Dry lean mass is probably an essential prognostic factor for the effectiveness of bariatric surgery. The main objective of this study is to define a preoperative dry lean body mass threshold as ...

May Preoperative Waist to Height Ratio Predict Postoperative Weight Loss in Bariatric Patients?

Bariatric surgery is an effective method for treatment of obesity. Sleeve gastrectomy is one of surgical methods and became popular in recent years. Weight loss rates after bariatric surgery differs among patients. The exact reason of this difference stays unclear. age, nationality, difference between body composition and type of surgery may be in concern. waist to height ratio has become popular recent years as an indicator of cardiomethabolic status. in this study, investigat...

Examination of Cognitive Function in Obesity and Following Weight Loss

Bariatric surgery is the most effective, long-term treatment for morbid obesity, and consistent with previous findings, individuals who lose significant weight after surgery also have improved cognition or "brain function". The mechanisms behind these cognitive improvements are currently unknown, but are the focus of much research effort. The goal of this pilot study is to thoroughly describe these changes in surgical versus medical weight loss patients over time in a repeated ...

Development of a Weight Maintenance Intervention for Bariatric Surgery Patients

Although bariatric surgery is highly effective for inducing significant weight loss and resolution of comorbidities, weight regain following surgery is a common problem. This pilot study will test the feasibility and acceptability of an intervention designed to help bariatric surgery patients maintain weight loss. Findings from this pilot will provide the foundation for a randomized controlled trial to evaluate the efficacy of the intervention.

Endoscopic Surgery for Bariatric Revision After Weight Loss Failure

Morbid obesity and its associated metabolic diseases are on the rise in the United States. Currently, the best treatment for obesity is bariatric surgery where both roux-en-Y gastric bypass and sleeve gastrectomy offer substantial weight loss. Unfortunately, 20% of patients who undergo bariatric surgery fail to lose enough weight defined as less than 50% of excess body weight loss or regain of weight. For those patients who fail to lose weight after bariatric surgery and have f...

Testosterone in Bariatric Patients

Bariatric surgery is an effective method in the treatment of severe obesity and type 2 diabetes mellitus achieving high remission rates. However, weight loss also causes loss of skeletal muscle and bone mass which at least partly could be prevented by exercise and dietary intervention although the counselling of obese and sedentary individuals in order to increase their physical activity presents a challenge. As up to 78.8% of men undergoing bariatric surgery have low levels of...

The Impact of Bariatric Surgery Induced Weight Loss on Lung Function in Adolescents

In this prospective study we will evaluate the changes in respiratory physiology occurring in morbidly obese adolescents following bariatric surgery at Schneider Children's Medical Center of Israel (SCMCI).

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study B

The purpose of the study is to compare dietary habits after bariatric surgery in patients with poor weight loss versus good weight loss outcomes.

Omics Profiling of Weight Loss With Bariatric Surgery

Understanding how foods and nutrients are digested, absorbed and metabolized when weight is stable and during weight loss induced by bariatric surgery procedure using the technologies of genomics, transcriptomics, proteomics, metabolomics and fluxomics ("omics") will enable generation of new hypotheses that could explain the inter-individual differences in weight loss and could lead to optimization and individualization of therapies designed to lose weight.

The Bariatric Surgery Registry

Persons with obesity are more likely to suffer from many other serious health conditions and are more likely to die young. Lifestyle interventions have not been found to be an effective long-term solution for treating obesity. When usual weight loss measures are not successful, bariatric, or 'weight loss,' surgery may be considered. Bariatric surgery is performed to help people with obesity achieve weight loss which they can maintain. Weight loss following bariatric surgery lea...

Prevalence of Major Nutrients Deficiency in Diabetic Patient Before and After Bariatric Surgery

The increasing demand of bariatric surgery requires ongoing improvement of the preoperative and post-operative care of morbidly obese patients. Outcome reporting in bariatric surgery mainly focuses on weight loss, improvement of co-morbidities and quality of life. Post-operative nutritional deficiencies are a complication of bariatric surgery, in particular after malabsorptive procedures. Deficiencies of protein, iron and vitamins B12 and D are frequently reported and may occur...

Study of Bariatric Surgery

The aim of this cohort study is to collect prospectively clinical data on all the patients admitted in the investigators department for bariatric surgery or for any complication of a bariatric procedure. The investigators goal is not only to improve the follow-up but also to assess and publish the investigators results regarding weight loss and the complication rate.

Robotic Versus Laparoscopic Techniques for Revisional Bariatric Surgery

Obesity has become a significant health problem in Canada. When conservative efforts to lose weight fail, bariatric surgical procedures are often considered. Today, the most common bariatric procedures in North America are Laparoscopic Roux-en-Y gastric bypass (LRYGB) and Laparoscopic Sleeve Gastrectomy (LSG). For many reasons, an initial bariatric procedure may require surgical revision. Some reasons include weight regain, failed weight loss or other acute and chronic complic...

Physical Activity Following Surgery Induced Weight Loss

The primary objective of this study will be to determine the effects of physical activity in patients during substantial surgery-induced weight loss. A randomized controlled physical activity intervention trial in a group of patients undergoing bariatric surgery for weight loss. The study will involve two sites with an active bariatric surgery program, which have a strong track record of bariatric surgery research. The study will include 160-200 subjects. Changes in the prima...


Obesity is directly related to an increased risk of diabetes mellitus, hypertension, dyslipidemia, cardiovascular disease, and overall mortality. Weight loss is effective in decreasing these risks and to reduce disease severity. Bariatric surgery is an effective therapy for sustained weight loss and type 2 diabetes (T2D) remission in most of the morbidly obese patients. But there is also a significant number of individuals with an inappropriate response to bariatric surgery. Tw...

Preoperative Treatment With Noninvasive Intra-auricular Vagus Nerve Stimulation Pending Bariatric Surgery

Faced with the current obesity epidemic, new avenues of research into effective weight loss must be developed. Among the possible actions on obesity, vagus nerve stimulation has been shown in several studies to be effective in treating epilepsy or depression, at the same time inducing weight loss in those patients. Vagus nerve stimulation has also shown to be effective on weight loss in experimental animal studies. Vagus nerve stimulation has never been attempted in obes...

Bariatric Surgery and Skeletal Health

Bone loss may occur after bariatric (weight loss) surgery, but standard methods of measuring bone density in obese patients are potentially inaccurate. This study uses quantitative computed tomography to examine changes in bone mineral density after bariatric surgery.

Glucose Homeostasis Pre and Post Bariatric Surgery

The investigators wish to study the effects of two forms of bariatric surgery, gastric bypass and lap banding. The surgery is not part of the clinical trial. If your insurance does not cover the procedure, then you are responsible for payment of the surgical process. We are doing pre and post surgery testing to provide a better understanding of the effect of bariatric surgery-induced weight loss on metabolic function.

Bariatric Scalable Internet Treatments

The purpose of the study is to conduct a randomized clinical trial examining the feasibility and effectiveness of two guided self-help behavioral weight loss (gshBWL) treatments delivered via the internet for individuals struggling with weight loss one year following bariatric surgery. The two treatments will consist of 1) gshBWL delivered through the internet only (gshBWL-I) and 2) gshBWL delivered via the internet with additional complementary phone sessions (gshBWL-IP).

Bariatric Surgery and Epicardial Adipose Tissue: a MRI Study

The aim of this study is to measure the volume of the epicardial adispose tissue (EAT) and other morphological and functional cardiovascular parameters in subjects with severe obesity, using an open magnetic resonance unit capable of holding up to 220 kg of weight. These measurements will be repeated a year after bariatric surgery to assess the effect of the weight loss on EAT. The possible difference among different types of bariatric surgery will be considered.

The Role of the Omentum in the Treatment of Morbid Obesity

The purpose of this research is to determine some of the reasons that blood sugar and insulin levels improve after bariatric surgery but before weight loss begins, as well as why people respond differently to weight loss surgery. It will also examine whether removing the fat around the stomach and large intestine (the omentum) will improve weight loss. Finally, it will see why there are differences between Whites and African Americans who have weight loss surgery.

Changes in the Hypotalamic-pituitary Region of Patients With Metabolic Syndrome and Obesity

This study aims to identify new morphological and quantitative magnetic imaging parameters of pituitary gland and sellar region in overweight and obese patient at baseline and after 3 years, dividing patients in 3 groups (weight loss through diet and lifestyle changes, weight loss through bariatric surgery, no weight loss)

The Effect of Bariatric Surgery on Spermatogenesis

Little is known about the effects of weight loss surgery on male reproductive health. This study will investigate the effect of bariatric surgery on male infertility by evaluating sexual health, blood hormone levels, and semen parameters before and after roux-en-y bariatric surgery.

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