Clinical trials: Vascular Surgery
Reperfusion Injury
Role of Volatile Anesthetics for Hepatic Protection
This study aims to evaluate the attenuation of ischemic-reperfusion injury in the liver after sevoflurane preconditioning. In the presence of sevoflurane, an attenuation of liver injury is hypothesized (diminished increase of…
- Trial name
- NCT00516711
- Testing
- Sevoflurane
- Where
- Switzerland
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Zurich
Myocardial Injury
Anti-oxidant Therapy and Postoperative Cardiac Events (ACE) Trial, Preoperative Intervention in Vascular Surgery
N Terminal (NT)-Pro b-type natriuretic peptide (BNP) levels provide incremental value in perioperative risk assessment prior to major non-cardiac surgery.
- Trial name
- ACE (NCT03956017)
- Testing
- Ubiquinone
- Where
- United States
- Volunteers
- 341 people, healthy volunteers welcome
- Sponsor
- Minneapolis Veterans Affairs Medical Center
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Pancreas Neoplasm, Neuroendocrine Tumors
Portal Vein Resection in Pancreatic Neuroendocrine Tumours
The limited evidence on the value of portal vein resection in patients with borderline resectable and/or locally advanced PanNENs is an incentive to carry out a retrospective multicentre study amongst centres with specific…
- Trial name
- PVNET (NCT04336839)
- Testing
- Portal vein resection / reconstruction
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Royal Free Hospital NHS Foundation Trust
Right Ventricle, Pulmonary Valve Stenosis
Follow Up on Freestyle Valves in Children
The purpose of this study is to determine if the Medtronic Freestyle porcine valve is effective over a long period of time when it is used to replace the valve that normally allows blood to flow from the right lower pumping…
- Conditions
- Right Ventricle, Pulmonary Valve Stenosis, Pulmonary Valve Atresia
- Trial name
- NCT00385112
- Testing
- Echocardiogram
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Emory University
Hypotension,Controlled
Correlation Analysis of the Effects of Management Pressure Goals and Control Volume Goals in Patients in Spinal Surgery
The investigators study 160 patients undergoing spinal surgery.Participants will be randomly divided into study group and control group.The study group will receive controlled hypotension by nitroglycerin and be divided into 3…
- Trial name
- NCT03917004
- Testing
- Nitroglycerin
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Liang Bing
Critical Limb Ischemia, Extracellular Matrix Alteration
Matrix Metalloproteinases in Patients With Critical Limb Ischemia Undergoing Surgical Revascularization
In the present study the investigators will evaluate MMPs. serum levels variations in patients affected by critical limb ischemia, before and after lower limb surgical revascularization through venous or prosthetic bypass.
- Conditions
- Critical Limb Ischemia, Extracellular Matrix Alteration, Peripheral Revascularisation
- Trial name
- ROMAMETA (NCT02388867)
- Testing
- Polytetrafluoroethylene (PTFE) bypass grafting., Autogenous vein bypass grafting
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Catanzaro
Lymphocele, Varicose Veins
Management of a Giant Lymphocele Following Varicose Vein Surgery - A Case Report
A 48-year-old female presented to the plastic surgery outpatient department (OPD) with a history of painful, progressive swelling of the right groin and medial aspect of the right thigh for 4 months.
- Trial name
- NCT05398458
- Testing
- Lymphocele excision and space obliterated by pedicle Gracilis muscle only flap
- Where
- Pakistan
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Bahria International Hospital
Patient Care Team, Coronary Artery Disease
Developing an Intervention to Improve the Non-Technical Skills of the Cardiac Surgical Teams
Teams of several medical professionals conduct high-risk cardiac surgical procedures. These professionals work in complex, stressful operating room environments requiring effective communication and teamwork skills.
- Conditions
- Patient Care Team, Coronary Artery Disease, Coronary Artery Bypass, Surgery
- Trial name
- NCT06257511
- Testing
- Simulation-Based Mastery Learning of the Non-technical skills
- Volunteers
- healthy volunteers welcome
- Sponsor
- Northwestern University
Anesthesia, Hypotension
Prospective Trial of Alerting to Extended Hypotensive Exposures on Long-Term Outcome After Surgery
Patients undergoing anesthesia for non-cardiac surgery will be randomized to either having their anesthesia team alerted or kept blinded to extended periods of less than normal blood pressure with the goal of studying if…
- Trial name
- SLUScore™ (NCT02217969)
- Testing
- Electronic alert to SLUScore increase
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- St. Louis University
Reperfusion Injury, Oxidative Stress
Comparison of Oxidative Stress Changes in Different Ventilation Strategies During Gynecologic Laparoscopic Surgery
Ischemia-reperfusion injury resulted from pneumoperitoneum during laparoscopic surgery have been reported in some literatures. There are no studies investigating the time course of changes in oxidative stress markers in…
- Trial name
- NCT02512640
- Testing
- Volume-controlled ventilation, Pressure-controlled ventilation
- Where
- Taiwan
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Educational Problems
Perceptions of Porta Celiac Vascular Model
Background: Primary aspect of hepatic navigation surgery is the identification of source vascular details to preserve healthy liver which has a vascularity anatomy quite challenging for the young surgeons.
- Trial name
- NCT04395235
- Testing
- Survey
- Where
- Turkey (Türkiye)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Ege University
Aneurysm Aortic Root, Aortic Valve, Bicuspid
Aortic Valve Dynamics During Exercise After Valve Sparing Root Replacement Surgery
Aortic valve sparing operations are applied in patients with a non-calcified tricuspid or bicuspid aortic valve associated with a root aneurysm, in order to preserve the valve, and avoid new aortic dilatation by stabilizing the…
- Trial name
- NCT04205474
- Testing
- graded bicycle test
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Hypotension, Fluid Therapy
Phenylephrine or Norepinephrine for a Better Hemodynamic Stability
A prospective, double-blinded study. The present study consisted in applying Stroke volume variation fluid guided therapy to old patients (65 years old) undergoing radical resection of colon surgery.
- Trial name
- NCT03215797
- Testing
- phenylephrine, Norepinephrine
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The Second Affiliated Hospital of Dalian Medical University
Coagulopathy, Congenital Heart Disease
FFP Usage in Pediatric CV Surgery
When small children undergo heart surgery with the heart-lung machine, in the past, blood products to help the blood clot such as Fresh Frozen Plasma (FFP) was routinely used in children under 10kg.
- Trial name
- NCT05819788
- Where
- Canada
- Volunteers
- 431 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Type 2 Diabetes
Vascular Endothelium Changes After Bariatric Surgery (Endothelial Progenitor Cells)
Improvement in cardiovascular mortality is related to changes in pathologic autoantibodies and in the number of circulating functional replicative competent endothelial progenitor cells (EPC's) after bariatric surgery.
- Trial name
- EPC (NCT01213940)
- Testing
- pre-bariatric weight loss program, bariatric surgery
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of South Alabama
Peri-Implantational Loss, Surgical Wound
Strip Graft w/ Xenogeneic Matrix vs Free Gingival Graft for the Augmentation of Peri-implant Keratinized Mucosa
The primary objective of this study is to compare changes in peri-implant keratinized mucosa (PIKM) following the application of apically repositioned flap (ARF) using a combination of a Strip graft and a Xenogeneic matrix, or…
- Conditions
- Peri-Implantational Loss, Surgical Wound, Healing Surgical Wounds, Thin-gingiva
- Trial name
- NCT06261268
- Testing
- Strip graft with Mucograft, Free gingival graft
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Coagulation Disorder
INR Comparison Testing in Cardiac Surgery
The investigator is testing blood samples to compare the results of two different techniques. Since blood loss and the need for blood transfusions continue to be major problems after heart surgery and other types of surgery, the…
- Trial name
- NCT03267823
- Testing
- International Normal Ratio (INR)
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Miami
Coronary Artery Disease
Efficacy of Early Short-term Training on Thrombogenesis in Patients Following Coronary Bypass Surgery
Although the benefit of cardiac rehabilitation following coronary artery bypass graft (CABG) is well-established, it is underused.
- Trial name
- NCT02144480
- Testing
- Intensive training, traditional training
- Where
- Taiwan
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Coronary Artery Disease
"The Effect of Virtual Visitation in the Intensive Care Unit on Pain, Anxiety, and Sleep Levels"
Patients in the intensive care unit after cardiovascular surgery face not only complications related to the surgical procedure but also emotional distress due to separation from their loved ones.
- Trial name
- NCT06961539
- Testing
- The group with virtual visits
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi