Hypotension Clinical Trial
Official title:
Detecting Hypotension By Continuous Non-invasive Arterial Pressure Monitoring During Spinal Anaesthesia for Cesarean Section:A Prospective,Randomized, Controlled Study
The purpose of this study is to determine whether continuous non-invasive arterial pressure (CNAP) monitoring is beneficial to maintain maternal hemodynamic stability and improve the outcomes of maternal and fetal comparing with intermittent oscillometric non-invasive arterial pressure (NIAP)measurement during spinal anaesthesia for cesarean section .
Peri-operative hypotension and fluctuation of arterial blood pressure (BP) during spinal
anaesthesia are common. Hypotension causes maternal side-effects such as unconsciousness,
dizziness, nausea, and vomiting. The potential fetal side-effects are caused by a reduction
in the uterine blood flow with consequent reduced oxygen supply and acidosis reflected by
impaired blood gas analyses and impaired Apgar scores. Because of the potential harm to the
fetus and the dependency of fetal oxygenation on maternal arterial pressure (AP), it has
been strongly recommended to closely monitor mother's arterial pressure and to treat
hypotension immediately. Non-invasive arterial pressure (NIAP) measurement is a common
method for monitoring in clinical. These hypotension episodes probably would be detected
with delay by NIAP measurement on account of its discontinuous. A monitor for continuous
non-invasive arterial pressure monitoring (CNAPTM Monitor 500, CNSystems Medizintechnik
AG,Graz, Austria) using the volume-clamped method. It can monitor timely and provide
beat-to-beat value of arterial pressure.
The purpose of this study is to determine whether continuous non-invasive arterial pressure
(CNAP) monitoring is beneficial to maintain maternal hemodynamic stability and improve the
outcomes of maternal and fetal.
;
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Prevention
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