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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 2,614 clinical trials
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
A Alan Askari

National Emergency Bariatric Surgery Audit

The goal of this observational study is to investigate the incidence, management, and outcomes of complications following bariatric surgery in patients in the United Kingdom. The main questions it aims to answer are: What is the prevalence of unplanned interventions due to complications following bariatric surgery in the UK? What …

18 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
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
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
A Aminah Dr EL BOUYOUSFI

Comparison of the Occurrence of Postoperative Complications Between Robotic and Laparoscopic Surgery in Revision Bariatric Surgery

In a population of patients undergoing bariatric revision surgery with conversion to RYGB and divided into two groups according to the surgical protocol: Group 1: robotic surgery Group 2: laparoscopy The primary objective of the study is to compare the rates of postoperative complications between the two groups, classified according …

18 - 70 years of age All Phase N/A

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