사시수술 중 발생하는 안구심반사 빈도 및 연관 인자에 대한 분석
Incidence and Factors that Affect the Oculocardiac Reflex during Strabismus Surgery
박형준, 백혜정,
소속 상세정보
박형준 ( Park Hyung-Jun )
가천대학교 길병원 안과학교실
백혜정 ( Paik Hae-Jung )
가천대학교 길병원 안과학교실
KMID : 1038920190180020051
Abstract
Purpose: To investigate incidence and factors associated with the occurrence of oculocardiac reflex (OCR) during strabismus surgery.
Methods: Three hundred eighty-seven patients who underwent strabismus operation under general anesthesia participated in this retrospective study. OCR was defined as a heart rate (HR) reduction of more than 15%, when compared to baseline HR. When OCR occurred patient were treated with intravenous atropine (15 μg/kg) or release the tension on the muscle. The incidence and preoperative and intraoperative variable factors of the OCR were investigated.
Results: An overall rate of 30.2% of the patients showed a positive OCR. There were significantly more OCR in the inferior oblique and rectus combine surgery than rectus surgery (p = 0.001), The occurrence rate of OCR within 5 minutes after operation was 88.8% in inferior oblique and rectus combine surgery and 80.0% in rectus surgery.
Conclusions: Manipulation of inferior oblique muscle in patients with two muscle surgeries in each eye was a significant risk factor for OCR occurrence. Gentle manipulation of the extraocular muscles especially the oblique muscle is important in two muscle surgeries. Surgeon and Anesthesiologist needs to be more careful within 5 minutes after surgery in strabismus surgery.
키워드
Oculocardiac reflex; Oculomotor muscles; Risk factor; Sinus bradycardia; Strabismus surgery
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