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we aimed to evaluate the change in femoral artery pulsatility index as a predictor to post-spinal anesthesia hypotension
After spinal anesthesia, hypotension is a common effect that occurs in between 15 and 30% of patients therefore it is essential to prevent such effect.
number of variables were utilized for estimating post spinal hypotension, such as assessing heart rate variability, perfusion index, inferior vena cava collapsibility index; however, the majority of these indices needs advanced equipment.
investigator of current research decided to study the role of ultrasound derived index namely pulsatility index to predict post spinal anesthesia hypotension.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| femoral artery doppler | Device | femoral artery pulse wave doppler to measure both pulsatility and resistive indices |
| Measure | Description | Time Frame |
|---|---|---|
| change in pulsatility index to predict post spinal anesthesia induced hypotension | to measure PI before and after spinal anesthesia | baseline and immediately after spinal anesthesia |
| Measure | Description | Time Frame |
|---|---|---|
| change in resistive index to predict post spinal anesthesia induced hypotension | to measure RI before and after spinal anesthesia | baseline and immediately after spinal anesthesia |
| change in waveform morphology to predict post spinal hypotension |
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Inclusion Criteria:
Exclusion Criteria:
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adult patient undergoing spinal anesthesia for infra-umbilical surgeries
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cairo University | Cairo | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 12032019 | Result | Hartmann B, Junger A, Klasen J, Benson M, Jost A, Banzhaf A, Hempelmann G. The incidence and risk factors for hypotension after spinal anesthesia induction: an analysis with automated data collection. Anesth Analg. 2002 Jun;94(6):1521-9, table of contents. doi: 10.1097/00000539-200206000-00027. | |
| 30236233 | Result |
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change of waveform morphology before and after spinal anesthesia
| before and immediately after spinal anesthesia |
| Wesselink EM, Kappen TH, Torn HM, Slooter AJC, van Klei WA. Intraoperative hypotension and the risk of postoperative adverse outcomes: a systematic review. Br J Anaesth. 2018 Oct;121(4):706-721. doi: 10.1016/j.bja.2018.04.036. Epub 2018 Jun 20. |
| 34034957 | Result | Yu C, Gu J, Liao Z, Feng S. Prediction of spinal anesthesia-induced hypotension during elective cesarean section: a systematic review of prospective observational studies. Int J Obstet Anesth. 2021 Aug;47:103175. doi: 10.1016/j.ijoa.2021.103175. Epub 2021 May 1. |