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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 2,638 clinical trials
A Ankit I Mehta, MD

PMCF Study to Evaluate the VERTICALE® Cervical System in Spine Surgery According to Its Intended Use.

In accordance with the European Medical Device Regulation MDR 2017/745/EU, the legal manufacturers of medical devices are obliged to evaluate medical devices with regard to their clinical performance and safety. The VERTICALE® Cervical System is intended for immobilization and stabilization of spinal segments of the craniocervical junction (occipital-C2), subaxial cervical …

18 years of age All Phase N/A
A Alberto Albertini, MD

Study of Role of Blood Microvescicles and Exosomes in Patients With Graft Occlusion After Aortocoronary Bypass Surgery

Coronary artery bypass graft (CABG) surgery is still the standard treatment of coronary revascularization for patients with severe coronary artery disease (CAD). Graft patency, together with completeness of revascularization, is a major determinant of long-term outcome following CABG. The surgical procedure elicits a persistent systemic inflammatory response associated with the …

40 - 80 years of age All Phase N/A
E Eva M Pontén, MD PhD

How Are the Muscles Affected in Cerebral Palsy? A Study of Muscle Biopsies Taken During Orthopaedic Surgery.

Cerebral palsy (CP) is a motor disorder caused by an injury to the immature brain. Even though the brain damage does not change, children with CP will have progressively weaker, shorter and stiffer muscles that will lead to contractures, bony deformations, difficulty to walk and impaired manual ability. An acquired …

2 - 18 years of age All Phase N/A
A Andre P Schmidt, MD, PhD

ARISCAT, ASA and LAS VEGAS Risk Scores and the Incidence of Postoperative Pulmonary Complications in Thoracic Surgery

Postoperative pulmonary complications (PPC) are among the main complications after the anesthetic-surgical procedure. It can be said that thoracic surgery results in impaired respiratory function in the postoperatively, due to the decrease in lung volumes and capacities (the vital capacity decreases by approximately 50-60% and functional residual capacity decreases by …

18 years of age All Phase N/A
E Edyta Laska, Ph.

Assessment of Quality of Life and Social Support Gained in Patients Before and After Colorectal Cancer Surgery

evaluation of the quality of life of patients before and after laparoscopic surgery for rectal cancer and cancer of the right part of the intestine at different stages of the disease, whether it depends on the size of the tumor, neoadjuvant treatment, type of cancer and its location Multidimensional assessment …

years of age All Phase N/A
B BUSRA TANACIOGLU, Research Assistant M.D

Correlation of Preoperative Gastric Residual Volume With Body Mass Index and Aspiration Risk in Laparoscopic Bariatric Surgery

Obesity is a chronic, complex disease defined by the World Health Organization (WHO) as the excessive accumulation of fat in the body that can harm health. Since 1975, the prevalence of obesity has been increasing worldwide, making it a significant public health issue. Body mass index (BMI) is important in …

18 - 65 years of age All Phase N/A

The Effects of Metabolic & Bariatric Surgery on Lipid Metabolism, Myeloid-Derived Suppressor Cells, and Cancer Cell Biology

This study aims to determine the relationship between lipid kinetics changes and blood immunosuppressive cells by metabolic surgery in two patient cohorts.

35 - 60 years of age Female Phase N/A
D Daniel H van Raalte, MD

The Effects of Bariatric Surgery on Kidney Oxygenation in Obese Adults With Type 2 Diabetes and Hyperfiltration

In this study the investigators will examine the effects of VAT reduction by bariatric surgery on kidney hypoxia and compare kidney oxygenation before- and after surgery in both sexes using BOLD-MRI and measures of kidney hemodynamic function. Furthermore, the investigators will assess whether kidney oxygenation is reduced in obese T2D …

18 - 55 years of age All Phase N/A
S Selin Sağlam

Effects of Different Fresh Gas Flows on Carboxyhemoglobin Levels and Postoperative Patient Outcomes in Pediatric Cardiovascular Surgery

Low flow anesthesia; It is an anesthesia practice in which, after absorbing at least 50% of the exhaled air and carbon dioxide (CO2) using a semi-closed rebreathing system, the unused anesthetic gases are mixed with a certain amount of fresh gas and then completely or partially returned to the patient …

2 - 7 years of age All Phase N/A
T Tristan BOURCIER, MD, PhD

Study of the Impact of Cataract Surgery on the Corneal Epithelium and Ocular Surface of Diabetic Patients

Diabetes is one of the most common fatal metabolic diseases in the world. Diabetes-induced ocular surface alterations are poorly understood. Indeed, it was once thought that the cornea, avascular, was immune to the effects of diabetes. A growing number of publications now demonstrate the opposite. These alterations affect up to …

18 years of age All Phase N/A

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