Clinical Research Directory

Predictive Hemodynamic Monitoring During Elective Cesarean Section

Sponsor: Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Summary

Single shot spinal anesthesia (SA) is the most commonly used technique for Caesarean section (CS) . SA is associated with maternal hypotension (Post Spinal Hypotension - PSH) often accompanied by nausea, vomiting, bradycardia and fetal acidosis. Preventive administration of vasopressors is widely used to counterbalance hypotension. Routine prophylactic infusion of phenilephrine and norepinephrine raises concerns for unnecessary treatment, reactive hypertension, baroreceptor-mediated bradycardia, and effects on fetal acidosis. Non-invasive continuous measurement of arterial pressure using a finger cuff is well established. Hypotension Prediction Index - HPI is an algorithm that could predict the onset of hypotension in working on invasive and non-invasive arterial waveform signal. The aim of this prospective randomized study is to compare the amount of PSH during elective caesarean section among two groups of patients receiving standard intermittent hemodynamic monitoring versus continuous ClearSight-HPI monitoring. The primary hypothesis is that hemodynamic management HPI-guided reduces the incidence, entity and duration of post-spinal hypotension, defined as mean arterial pressure (MAP) lower than 65 mmHg lasting more than one minute. Our secondary aim was to study the impact of maternal PSH during CS on foetal outcome evaluated by comparing neonatal Apgar scores at 1 and 5 minutes after birth, and umbilical cord arterial and venous pH in the two groups.

Official title: Non-invasive PREDIctive Hemodynamic Continuous moniToring vs Standard Intermittent Blood Pressure and Post-spinal hypotensION During Elective Cesarean Section: a Randomized Clinical Trial

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