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- Title
Evaluation of the success of supraclavicular blockade performed under general anesthesia in arthroscopic surgery of the shoulder by using Perfusion Index.
- Authors
Ceylan, Ayşegül; Eşkin, Mehmet Burak
- Abstract
Aim: Supraclavicular blockade under ultrasonic-guidance has recently increased its popularity and is an alternative to anesthesia and analgesia in arthroscopic surgery of the shoulder. The aim of this study is to evaluate the effectiveness of the perfusion index (PI) which indicates the increase in peripheral perfusion of the upper extremity in determining the success of single dose supraclavicular nerve block under general anesthesia. Material and Methods: The PI was measured non-invasively with pulse-oximetry probe (Masimo Corp, Irvine, CA, USA) from the fingers at the same and opposite sides of blockade at the beginning, 5th, 10th, 20th, 30th minutes, postoperatively and in post anesthesia care unit (PACU). The pain scores were recorded in the PACU, post-operatively and at the 1st, 12th, and 24th hours. Preoperative and postoperative arterial pressures and pulse rates were monitored and recorded at the beginning, 5th, 10th, 20th, 30th minutes, postoperatively and in PACU. Results: Mean PI change rate measured at the beginning was significantly higher than those measured in all other times and when compared to the initial PI change rate, the rates of change were found to increase significantly in the 5th, 10th and 20th minutes (p<0.001). Mean arterial pressure and mean heart rate values measured at the beginning were significantly higher than those measured at all times (p<0.001). No intraoperative injection of fentanyl or infusion of remifentanyl were performed. The patients had no additional requirement of narcotics during the 24-hours follow-up period postoperatively, except for routine analgesics. Conclusions: We think that peripheral blocks; especially in multimodal anesthetic applications, have intraoperative analgesic activity in addition to postoperative efficacy. They may also contribute to hemodynamic stabilization without narcotic requirement. The success of the blockade can reliably be evaluated by the PI measurement.
- Subjects
IRVINE (Calif.); OXIMETRY; ARTHROSCOPY; SHOULDER surgery; RECOVERY rooms; GENERAL anesthesia; PERFUSION
- Publication
Ortadogu Medical Journal / Ortadogu Tip Dergisi, 2020, Vol 12, Issue 1, p61
- ISSN
1309-3630
- Publication type
Article
- DOI
10.21601/ortadogutipdergisi.626306