Clinical and Experimental Pediatrics

The Korean Pediatric Society (대한소아청소년과학회)
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Early postoperative arrhythmias after open heart surgery of pediatric congenital heart disease

소아 선천성 심장병 개심술 후 발생한 조기 부정맥

  • Choi, Hee-Joung (Department of Pediatrics, Kumi-Cha hospital, CHA University School of Medicine) ;
  • Kim, Yeo-Hyang (Department of Pediatrics, College of Medicine, Keimyung University) ;
  • Cho, Joon-Yong (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Kyungpook National University) ;
  • Hyun, Myung-Chul (Department of Pediatrics, College of Medicine, Kyungpook National University) ;
  • Lee, Sang-Bum (Department of Pediatrics, College of Medicine, Kyungpook National University) ;
  • Kim, Kyu-Tae (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Kyungpook National University)
  • 최희정 (차의과학대학교 부속 구미차병원 소아청소년과) ;
  • 김여향 (계명대학교 의과대학 소아과학교실) ;
  • 조준용 (경북대학교 의과대학 흉부외과학교실) ;
  • 현명철 (경북대학교 의과대학 소아과학교실) ;
  • 이상범 (경북대학교 의과대학 소아과학교실) ;
  • 김규태 (경북대학교 의과대학 흉부외과학교실)
  • Received : 2010.01.14
  • Accepted : 2010.03.02
  • Published : 2010.04.15
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Abstract

Purpose : Early postoperative arrhythmias are a major cause of mortality and morbidity after open heart surgery in the pediatric population. We evaluated the incidence and risk factors of early postoperative arrhythmias after surgery of congenital heart disease. Methods : From January 2002 to December 2008, we retrospectively reviewed the medical records of the 561 patients who underwent cardiac surgery in Kyungpook National University Hospital. We analyzed patients' age and weight, occurrence and type of arrhythmia, cardiopulmonary bypass (CPB) time, aortic cross clamp (ACC) time, and postoperative electrolyte levels. Results : Arrhythmias occurred in 42 of 578 (7.3%) cases of the pediatric cardiac surgery. The most common types of arrhythmia were junctional ectopic tachycardia (JET) and accelerated idioventricular rhythm (AIVR), which occurred in 17 and 13 cases, respectively. The arterial switch operation (ASO) of transposition of the great arteries (TGA) had the highest incidence of arrhythmia (36.4%). Most cases of cardiac arrhythmia showed good response to management. Patients with early postoperative arrhythmias had significantly lower body weight, younger age, and prolonged CPB and ACC times ($P$<0.05) than patients without arrhythmia. Although the mean duration of ventilator care and intensive care unit stay were significantly longer ($P$<0.05), the mortality rate was not significantly different among the 2 groups. Conclusion : Early postoperative arrhythmias are a major complication after pediatric cardiac surgery; however, aggressive and immediate management can reduce mortality and morbidity.

목 적 : 선천성 심장병의 개심술 직후에 발생하는 부정맥은 술 후 조기 사망의 주된 원인의 하나인데, 이는 심폐 우회술 및 심근보호법의 발달, 술 후 집중치료와 적절한 약물 치료로 감소시킬 수 있다. 이에 이번 연구에서는 선천성 심장병의 개심술 후 조기에 발생한 부정맥의 빈도와 종류, 그 위험 인자들을 조사하여 보았다. 방 법: 2002년 1월부터 2008년 12월까지 선천성 심장병으로 경북대학교병원에서 개심술을 시행받은 561명의 환자를 대상으로 하였다. 이들의 의무기록지를 후향적으로 조사하여 진단명, 수술방법, 수술 후 부정맥이 발생한 시기와 기간, 부정맥의 종류와 치료방법, 부정맥으로 동반된 합병증 및 사망률, 부정맥 발생 당시 혈액 전해질 수치 등을 분석하였다. 결 과 : 소아 개심술 후 조기 부정맥의 빈도는 7.3% (42/578 개심술)로 남아 23명, 여아 18명이었으며, 개심술을 시행 받은 나이는 평균 $8.7{\pm}19.8$개월, 몸무게는 평균 $5.8{\pm}4.0kg$이었다. 발생한 부정맥 종류는 방실 접합부 이소성 빈맥이 17례로 가장 많았고, 다음으로 가속 심실고유 율동이 13례였으며, 또한 대혈관 전위에 대한 동맥 전환술에서 가장 많은 빈도의 부정맥을 보였다(36.4%). 대부분의 부정맥은 치료에 반응이 좋았다. 개심술 후 조기 부정맥의 위험 인자로는 수술 당시 작은 몸무게, 어린 나이, 긴 인공 심폐기 시간과 긴 대동맥 차단 시간이었다($P$<0.05). 부정맥이 발생한 환자에서 그렇지 않은 환자에 비해 인공호흡기 사용시간과 집중치료실 입원기간이 의미있게 길었으나($P$<0.05), 사망률에서는 의미있는 차이가 없었다. 결 론 : 선천성 심장병의 개심술 후 발생하는 조기 부정맥은 주의깊은 감시와 적극적인 치료로 치명적인 결과를 줄일 수 있다. 최근 개심술의 나이가 낮아짐에 따라 술 후 조기 부정맥에 대한 더욱 세심한 관리가 필요할 것으로 생각된다.

Keywords

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  1. Early postoperative arrhythmias after pediatric cardiac surgery vol.23, pp.7, 2010, https://doi.org/10.1177/0218492315585457
  2. Arrhythmias in Children in Early Postoperative Period After Cardiac Surgery vol.9, pp.1, 2010, https://doi.org/10.1177/2150135117737687