Minimal Inflation Tourniquet Pressure Using Induced Hypotension

Status Recruiting

Clinical Trial Summary

Limb occlusion pressure (LOP) and arterial occlusion pressure (AOP) are the terms that mean the lowest tourniquet pressure required to stop the arterial blood flow into the limb distal to the cuff. LOP can be determined manually or automatically by slow cuff inflation until disapper of pulsation with Doppler flow-meter or pulse oximeter

Clinical Trial Description

The advantages of the tourniquet during upper or lower limb procedures are providing bloodless operative field and so less intra-operative blood lossIt has been reported that using the lowest effective inflation pressure minimize tourniquet induced nerve injury .). Limb occlusion pressure (LOP) and arterial occlusion pressure (AOP) are the terms that mean the lowest tourniquet pressure required to stop the arterial blood flow into the limb distal to the cuff. LOP can be determined manually or automatically by slow cuff inflation until disapper of pulsation with Doppler flowmeter or pulse oximeter .AOP can be estimated by a formula (AOP = [SBP + 10]/KTP) using patient's systolic blood pressure (SBP) and tissue padding coefficient (KTP) values. In both methods, addition of a safety margin to LOP or AOP is recommended for potential hemodynamic fluctuations during surgery ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04055779
Study type	Observational
Source	Beni-Suef University
Contact	Samaa ak Rashwan, MD
Phone	020120159125
Email	samakassemrashwan@gmail.com
Status	Recruiting
Phase
Start date	August 1, 2019
Completion date	November 2019

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