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Preventive Effect of Leg Wrapping Combined With Trendelenburg Position on Hypotension Induced by Propofol

Hypotension Clinical Trial

Official title:
Preventive Effect of Leg Wrapping Combined With Trendelenburg Position on Hypotension Induced by Propofol

Clinical Trial Summary

Although propofol is widely used as an induction agent for a general anesthesia, it can induce a profound hypotension, which leads to the hypo-perfusion of end organs and eventually increases morbidities. Theoretically, applying Trendelenburg position (head down and leg up position) increases cardiac preloads and cardiac outputs. However, in past researches, changing to Trendelenburg position alone is not enough and does not prevent propofol induced hypotension. Previous studies proved that leg wrapping effectively prevent hypotension after neuraxial anesthesia during Cesarean section. The leg wrapping prevents hypotension by increasing vascular resistance of lower extremities. The investigators made a hypothesis that applying both Trendelenburg position and leg wrapping prevent propofol induced hypotension more effectively than either applying Trendelenburg position only or taking no preventive measures.

Clinical Trial Description

** Study procedure

1. check baseline blood pressure ( systolic, diastolic, mean) and heart rate.

2. apply pre-defined measures to each group(arm) ( summarized in arms and interventions section )

3. induction using propofol 2mg/kg

4. After bispectral index (BIS) goes below 60 & patient become unconsciousness, inject rocuronium 0.6mg/kg

5. intubate patient between 3 and 4 minutes after propofol injection

6. measure blood pressure ( systolic, diastolic, mean ) & heart rate at 1,2,3,4,5 minutes after propofol injection

7. phenylephrine injection if hypotension develops ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03074955
Study type Interventional
Source Seoul St. Mary's Hospital
Contact Hyungmook Lee, Dr.
Phone 82-02-2258-6150
Email warmy0828@gmail.com
Status Recruiting
Phase N/A
Start date August 16, 2013
Completion date December 31, 2018
View Details
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