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Hypoxemia During Surgery clinical trials

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NCT ID: NCT06054022 Completed - Atelectasis Clinical Trials

Usage of High Flow Nasal Cannula in Preventing Desaturations in Elderly Patients Going for Lower Limb Surgeries

Start date: July 7, 2020
Phase: N/A
Study type: Interventional

To study the effect of high flow nasal cannula in comparisons with nasoprong used intraoperatively in patients oxygenation status

NCT ID: NCT06016998 Completed - Clinical trials for Hypoxemia During Surgery

Prediction Model of Hypoxemia in Gastrointestinal Endoscopy Sedation

Start date: September 1, 2023
Phase:
Study type: Observational

The incidence of hypoxemia during gastrointestinal endoscopy sedation is high, but there is still a lack of perfect prediction model of hypoxemia, which often leads to unpredictable respiratory complications. In order to ensure the safety of gastrointestinal endoscopy sedation and make emergency plans in advance, a better diagnostic model is urgently needed to help assess the risk of hypoxemia in patients undergoing the process and make early intervention measures. Facial photography is a simple and feasible measure that can show the facial soft tissue and structure of bone. The purpose of this study is to explore whether facial photography combined with other clinical indicators can build a prediction model of hypoxemia during gastrointestinal endoscopy sedation.

NCT ID: NCT05214950 Completed - Clinical trials for Hypoxemia During Surgery

Oxygen Reserve Index in Airway Surgery in Children

Start date: January 18, 2022
Phase: N/A
Study type: Interventional

This study aimed to identify the effect of oxygen reserve index monitoring on the occurrence of oxygen desaturation (<90%) in pediatric patients undergoing airway surgery.

NCT ID: NCT05050552 Completed - Clinical trials for One-Lung Ventilation

Oxygen Reserve Index in One-Lung Ventilation During Elective Thoracic Operations

Start date: March 1, 2020
Phase:
Study type: Observational [Patient Registry]

The investigators' goal is to perform an observational cohort study investigating the use of oxygen reserve index (ORi) in patients undergoing elective thoracic surgery and one-lung ventilation (OLV). For this purpose, ORi values are recorded and compared to the other collected hemodynamical and oximeter parameters. The primary hemodynamic parameters include heart rate (HR) and blood pressure (BP), while; oximeter device-related parameters include peripheral oxygen saturation, perfusion index (PI), and pleth variability index (PVI). The investigators' secondary goal is to investigate relationships between these hemodynamical and oximeter parameters using statistical analysis methods.

NCT ID: NCT04246567 Suspended - Hypoxia Clinical Trials

Evaluation of the Effect of Sevoflurane and Propofol Hypotensive Anesthesia on Blood Antioxidant Levels and HIF 1 Levels

Start date: March 1, 2019
Phase: N/A
Study type: Interventional

The aim of this study to evaluate the patients who underwent controlled hypotensive anesthesia under standardized depth of anesthesia with total intravenous anesthesia or inhalation anesthesia; preoperative and 30. ,60. ,120. second of intraoperative period blood HIF 1a, TAS, TOS measurement and to investigate tissue hypoxia secondary to hypotensive anesthesia and the changes of the mediators at the tissue level and which hypotensive anesthesia technique is related.

NCT ID: NCT04174417 Completed - Hypoxia, Brain Clinical Trials

Effect of Hypotensive Anesthesia on Cerebral Perfusion and Blood Antioxidant Levels and HIF 1a

Start date: November 14, 2018
Phase: N/A
Study type: Interventional

The aim of this study to evaluate the patients who underwent controlled hypotensive anesthesia under standardized depth of anesthesia; preoperative and postoperative blood HIF 1a, TAS, TOS measurement and cerebral perfusion evaluation with NIRS and to investigate tissue hypoxia secondary to hypotensive anesthesia and the changes of the mediators at the tissue level and which blood pressure parameters are related.