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surgery Clinical Trials

A listing of surgery medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

Found 2,630 clinical trials
C Cecile Ciangura, MD

Ovarian Reserve and Bariatric Surgery

The expansion of the obesity epidemic is accompanied with an increase in bariatric procedures, in particular in women of reproductive age. Severe obesity has negative effects on fertility and on in vitro fertilization (IVF) outcomes, and the weight loss induced by the bariatric surgery (BS) is believed to reverse the …

18 - 37 years of age Female Phase N/A
W William Smith

Metabolic Responses to Bariatric Surgery

Research the genetic and biomechanical markers of human adipose tissue on patients with morbid obesity. Additional tissue/fluid collection is also gathered during the time of surgery.

18 - 55 years of age All Phase N/A
B Britt Biesinger, MPH

Gut Microbiota in Metabolic Surgery

Metabolic surgery is an emerging option to treat obesity-related metabolic diseases (e.g., type 2 diabetes) and prevent cardiovascular disease (CVD). Metabolic surgery can profoundly alter the gut microbiota; meanwhile, gut microbiota may affect surgical outcomes. Longitudinal studies that examined pre- to post-surgery changes in gut microbiota and its relation to …

21 - 65 years of age All Phase N/A

Neuroinflammation/Oxidative Stress/Cardiac Surgery

The prospective observational study delves into the complex relationship between neuroinflammation and oxidative stress in post-cardiac surgery complications, focusing on postoperative cognitive dysfunction.

18 - 60 years of age All Phase N/A
G Gabriel Eksteen, MSc

Protein Requirements After Bariatric Surgery

The study investigates protein requirements at least 1 year after gastric bypass surgery in adult males, to investigate whether protein requirements are elevated compared to protein requiremens for the general populaiotn. The main study outcome is the estimated average protein requirements for the study populaiton.

18 - 65 years of age Male Phase N/A
H Héctor Rodríguez, Dr. med.

Depressive Symptoms After Cardiac Surgery

The primary goal of this project is to develop a predictive model for clinically significant depressive symptoms (CSDS) in patients undergoing coronary artery bypass graft (CABG) surgery, using pre- and perioperative data. CSDS occur in about 30 percent of CABG patients, which is four times higher than in the general …

18 - 90 years of age All Phase N/A
S Saleh K Saleh, MD

Anastomotic Leakage After Colorectal Surgery.

Anastomotic leakage (AL) is a severe complication after colorectal surgery, with incidence rates of 2-30%. This prospective, single-center observational cohort study aims to identify and quantify independent risk factors for AL, determine its incidence and impact on outcomes, and develop a predictive model. Approximately 430 patients undergoing colorectal resection with …

18 - 80 years of age All Phase N/A
E Erhan Ozyurt

Hemoglobin Monitoring in Scoliosis Surgery

The study is planned to include patients who will undergo elective scoliosis surgery under general anesthesia at the Health Sciences University Antalya Education and Research Hospital. Demographic data including age, gender, height, weight, and ASA score of the patients will be recorded before general anesthesia. ECG, oxygen saturation, and non-invasive …

5 years of age All Phase N/A
Y Yuntao Nie, M.D.

Postoperative Anemia After Bariatric Surgery

To investigate the real incidence of short and long-term anemia after bariatric surgery, and explore the risk factors.

16 - 70 years of age All Phase N/A
J Josephine Zachodnik, RN

Patients' Expectations Before Spinal Surgery

With this study the investigators want to perform a prospective observational cohort study at Zealand University Hospital, Koege, Denmark. The purpose of this study is twofold: to investigate how expectations predict patients' pain, rehabilitation and quality of life after spinal surgery. to explore the patients' expectations before, and their experiences …

18 - 100 years of age All Phase N/A

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