Ondansetron Administration Prior to Subarachnoid Block in Cesarean Section: An Evidence Based Practice Analysis
- Author(s)
- Bustamante, Jeremy
- Details
-
Jeremy Bustamante, DNAP, CRNA
- Sigma Affiliation
- Non-member
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Subarachnoid block (SAB) is a preferred regional technique utilized by many institutions for caesarean section. A sensory block height of T5 is necessary for a successful caesarean under SAB. Unfortunately, side effects often emerge related to the physiological changes as a result of sympathetic nervous system inhibition. Current research suggests up to 55%-90% of parturients experience extended block height resulting in hypotension and bradycardia.There is a reduction in cardiac output due to a decrease in systemic vascular resistance and venous pooling. Similarly, the shift of cardiac autonomic balance toward parasympathetic stimulation causes bradycardia and activation of left ventricular mechanoreceptors due to a decreased ventricular volume. The mechanism is known as the Bezold-Jarisch reflex (BJR).
Acquisition Type
Proxy-submissionReview Type
Faculty Approved: Degree-based SubmissionRepository Posting Date
2017-09-22T14:19:33ZType
Other Graduate PaperFormat
Text-based DocumentLevel of Evidence
N/AResearch Approach
N/AGrantor | Advisor(s) | Level | Year | Bryan College of Health Sciences | Hadenfeldt, Sharon | Doctoral – Other | 2017 |
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