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High-risk Surgery clinical trials

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NCT ID: NCT06355362 Not yet recruiting - High-risk Surgery Clinical Trials

Association of Intraoperative Hemodynamic Characteristics to Postoperative Complications and Mortality

HeCoMo
Start date: June 1, 2024
Phase:
Study type: Observational

Worldwide, about 400 million major surgeries are performed annually. The scarce data available in the literature still suggest high postoperative morbidity and mortality, even in Europe. Data of the World Health Organization on causes of death suggest that death after surgery would be the number three cause of mortality if it were considered a separate cause of death. However, there is little structured or high-quality data on postoperative mortality in the literature. The aim of this study project is to collect data on postoperative complications and mortalities worldwide and to establish a Perioperative Outcome Study Platform on this topic. In the first study of this platform, we aim to investigate the association of hemodynamic characteristics with postoperative complications and mortality. It is a prospective, multi-center study. In addition, the investigators aim to collect data on the structural characteristics of the study sites and, for each patient, characteristics of quality of perioperative care in order to analyze associations with hemodynamic characteristics and postoperative complications and mortalities.

NCT ID: NCT03128190 Completed - Clinical trials for Postoperative Complications

Multi-center Trial of Goal-directed Fluid Management Based on Pulse Pressure Variation Monitoring

GDTPPV
Start date: June 1, 2007
Phase: N/A
Study type: Interventional

Background: Intraoperative fluid therapy guided by mechanical ventilation-induced pulse-pressure variation (PPV) may improve outcomes after major surgery. It was tested this hypothesis in a multi-center study. Methods: The patients were included in two periods: a first control period (control group; n=147) in which intraoperative fluids were given according to clinical judgment. After a training period, intraoperative fluid management was titrated to maintain PPV< 10% in 109 surgical patients (PPV group). It was performed 1:1 propensity score matching to ensure the groups were comparable with regard to age, weight, duration of surgery, and type of operation. The primary endpoint was postoperative hospital length of stay.

NCT ID: NCT01811914 Completed - High Risk Surgery Clinical Trials

Focused TTE for Hemodynamic Instable High Risk Patients

Start date: March 2013
Phase: N/A
Study type: Interventional

Focused transthoracic echocardiography (TTE) is a technique, which allows quick and non-invasive diagnosis and monitoring in hemodynamic instable patients. There are preliminary data supporting the hypothesis that TTE is feasible in the operating theatre. The purpose of this study is to test the hypothesis that intraoperative focused TTE has an impact on high risk patients´ management when it is added to standard extended monitoring practices in hemodynamic instabilities.