소아에서 개심술후 정중흉골절개의 지연흉골폐쇄에 의한 심장압박 방지효과

Cardiac Decompressing Effect by Delayed Sternal Closure Following Open Heart Surgery in Children

  • 김경환 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 서경필 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교실)
  • 발행 : 1997.12.01

초록

저자들은 1991년부터 1996년까지 5년간 지연 흉골 폐쇄를 시행한 20명의 환자를 분석하고 추적 조사 하였다. 남녀비는 11:9였고 평균연령은 6.4개월(범위 7일-5년)이었다. 적응증으로는 개심술후 심근부종에 기인한장치한 불안정한 혈역학적 상태로 인한 것이 15례로 가장 많았고, 심폐기 이탈 불가로 심실 보조 장치를 경우에서가 3례, 폐동맥 밴딩술 후 저산소증으로 인한 것이 2례 등이었다. 흉골 봉합은 술후 평균 102시간(범위 4-213시간)에 이루어졌으며 시행 후 중심 정맥압의 유의한 상승이 관찰되었다. 종격 동염, 환부 감염 등은 없었으며 2례에서 패혈증이 관찰되었다. 5명이 사망하였고 생존환자 15명중 2명 이 술후 추적관찰 기간 중 사망하였다. 누적 생존률은 1년과 2년에서 각각 65.0%였다. 지연 흉골 봉합 은 혈역학적으로 불안정한 심장을 감압하는 좋은 방법이며 성공적인 결과를 얻기 위해서는 적응증에 대한 신중한 고려가 선행되어야 한다고 생각된다.

We retrospectively reviewed a series of 20 patients treated with delayed sternal closure during a 5-year period from 1991 to 1996. Of the 2675 patients with cardiovascular su gery 20 underwent this procedure. Male and female ratio was 11:9, mean age was 6.4 months(range 7 days to 5 years). The indications included unstable hemodynamic profiles after open heart surgery due to myocardial edema and poor lung compliance(15), necessity of mechanical ventricular assist device due to weaning failure(3), and hypoxia after PAB(2). Sternum was closed at a mean interval of 102(range 4 to 213) hours after operation. During delayed sternal closure, central venous pressure was elevated(p<0.05). Mediastinitis and other wound problems did not occur. Sepsis developed in 2 patients and microorganism was confirmed in one of the two patients. Five patients died(mortality 25%). And two of 15 discharged patients died during follow-up period. Cumulative survival rate was 65.0% at 12 months and also 65.0% at 24 months.(Standard error was 10.7%) Delayed sternal closure Is considered to be a good method to decompress the hemodynamically compromised heart. Without that, it is not f asible to come off bypass or to decompress the heart. Of course. careful selection of the indication is imperative.

키워드

참고문헌

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