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- Title
Preoperative interscalene brachial plexus block aids in perioperative temperature management during arthroscopic shoulder surgery.
- Authors
Se Hun Lim; Wonjin Lee; JaeGwan Park; Myoung-hun Kim; Kwangrae Cho; Jeong Han Lee; Soon Ho Cheong; Kun Moo Lee
- Abstract
Background: Hypothermia is common during arthroscopic shoulder surgery under general anesthesia, and anestheticimpaired thermoregulation is thought to be the major cause of hypothermia. This prospective, randomized, double-blind study was designed to compare perioperative temperature during arthroscopic shoulder surgery with interscalene brachial plexus bl°Ck (IBPB) followed by general anesthesia vs. general anesthesia alone. Methods: Patients scheduled for arthroscopic shoulder surgery were randomly all °Cated to receive IBPB followed by general anesthesia (group GB, n = 20) or general anesthesia alone (group GO, n = 20), and intraoperative and postoperative body temperatures were measured. Results: The initial body temperatures were 36.5 ± 0.3°C vs. 36.4 ± 0.4°C in group GB vs. GO, respectively (P = 0.215). The body temperature at 120 minutes after induction of anesthesia was significantly higher in group GB than in group GO (35.8 ± 0.3°C vs. 34.9 ± 0.3° (P < 0.001). The body temperatures at 60 minutes after admission to the post-anesthesia care unit were 35.8 ± 0.3°C vs. 35.2 ± 0.2°C in group GB vs. GO, respectively (P < 0.001). The concentrations of desflurane at 0, 15, and 120 minutes after induction of anesthesia were 6.0 vs. 6.0% (P = 0.330), 5.0 ± 0.8% vs. 5.8 ± 0.4% (P = 0.001), and 3.4 ± 0.4% vs. 7.1 ± 0.9% (P < 0.001) in group GB vs. GO, respectively. Conclusions: The present study demonstrated that preoperative IBPB could reduce both the intraoperative concentration of desflurane and the reduction in body temperature during and after arthroscopic shoulder surgery.
- Subjects
HYPOTHERMIA; ANESTHESIA; ARTHROSCOPES; ARTHROSCOPY; SHOULDER surgery
- Publication
Korean Journal of Anesthesiology, 2016, Vol 69, Issue 4, p362
- ISSN
2005-6419
- Publication type
Article
- DOI
10.4097/kjae.2016.69.4.362