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KMID : 0356920200730060542
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Korean Journal of Anesthesiology
2020 Volume.73 No. 6 p.542 ~ p.549
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Retrospective analysis of risk factors of hypotensive bradycardic events during shoulder arthroscopic surgery under interscalene blockade in the sitting position
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Ryu Tae-Ha
Kim Baek-Jin
Woo Seong-Jun
Lee So-Young
Lim Jung-A
Kwak Sang-Gyu
Roh Woon-Seok
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Abstract
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Background: Hypotensive bradycardic events (HBEs) are a frequent adverse event in patients who underwent shoulder arthroscopic surgery under interscalene block (ISB) in the sitting position. This retrospective study was conducted to investigate the independent risk factors of HBEs in shoulder arthroscopic surgery under ISB in the sitting position.
Methods: A total of 2549 patients who underwent shoulder arthroscopic surgery under ISB and had complete clinical data were included in the study. The 357 patients who developed HBEs were included in the HBEs group, and the remaining 2192 in the non-HBEs group. The potential risk factors for HBEs, such as age, sex, past medical history, anesthetic characteristics, and intraoperative medications were collected and compared between the groups. Statistically significant variables were included in a logistic regression model to further evaluate the independent risk factors for HBEs in shoulder arthroscopic surgery under ISB.
Results: The incidence of HBEs was 14.0% (357/2549). Logistic regression analysis revealed that the intraoperative use of hydralazine (odds ratio [OR] 4.2; 95% confidence interval [CI] 2.9?6.3), propofol (OR 2.1; 95% CI 1.3?3.6), and dexmedetomidine (OR 3.9; 95% CI 1.9?7.8) before HBEs were independent risk factors for HBEs in patients who received shoulder arthroscopic surgery under ISB.
Conclusions: The intraoperative use of antihypertensives such as hydralazine and sedatives such as propofol or dexmedetomidine leads to increased risk of HBEs during shoulder arthroscopic surgery under ISB in the sitting position.
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KEYWORD
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Brachial plexus block, Bradycardia, Hypotension, Logistic regression, Risk factors, Shoulder arthroscopy, Syncope
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