The Influence of Simplified Surgical Procedures on the Surgical Treatment for Atrial Fibrillation with using the Cut-and-Sew Technique

절개봉합법을 이용한 심방세동 수술의 중단기 결과

  • Choi, Jong-Bum (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School) ;
  • Kim, Jong-Hun (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School) ;
  • Lee, Mi-Kyung (Department of Thoracic and Cardiovascular Surgery, Wonkwang University School of Medicine) ;
  • Lee, Sam-Youn (Department of Thoracic and Cardiovascular Surgery, Wonkwang University School of Medicine) ;
  • Kim, Min-Ho (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School) ;
  • Kim, Kong-Su (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School)
  • 최종범 (전북대학교 의과대학 흉부외과학교실) ;
  • 김종헌 (전북대학교 의과대학 흉부외과학교실) ;
  • 이미경 (원광대학교 의과대학 흉부외과학교실) ;
  • 이삼윤 (원광대학교 의과대학 흉부외과학교실) ;
  • 김민호 (전북대학교 의과대학 흉부외과학교실) ;
  • 김공수 (전북대학교 의과대학 흉부외과학교실)
  • Published : 2008.06.05

Abstract

Background: The Cox maze-III procedure is considered as the most effective surgical treatment for atrial fibrillation. Because this procedure takes a long time and it complicates the concomitant cardiac surgery, some surgeons perform a left atrial maze procedure or pulmonary vein isolation only to reduce the operation time. This study was performed to evaluate how the modified procedures, with using cut-and-sew techniques, can influence the treatment of atrial fibrillation. Material and Method: Between Feb 1999 and June 2005, 40 patients (17 males and 23 females) with organic heart disease and atrial fibrillation underwent the Cox maze-III procedure (23), the left atrial maze procedure (10) or pulmonary vein isolation (7). The cut-an-sew technique was used to ablate the atrial wall, but cryoablation was used instead of the cut-and-sew technique for the coronary sinus and the inferior wall between the pulmonary vein and the mitral annulus. Result: After a mean follow-up period of $50.0{\pm}21.6$ months, all (100%) of the 23 patients who underwent the Cox maze-III procedure had regular sinus or atrial rhythm conversion, and 7(70%) of 10 with a left atrial maze procedure and 4(57.1%) of 7 with pulmonary vein isolation had regular sinus or atrial rhythm conversion (p=0.002). Conclusion: To obtain a high conversion rate from atrial fibrillation to a regular sinus rhythm or a regular atrial rhythm, the standard Cox maze-III procedure should be performed in both atria. The limited modified procedures like the left atrial maze procedure or pulmonary vein isolation may reduce the cure rate of atrial fibrillation.

배경: 심방세동의 외과적 치료방법으로는 Cox maze-III 수술이 가장 효과적이다. 그러나 수술시간이 길고 합병증이 증가할 수 있어서 수술시간을 단축하고자 좌측 심방의 maze수술이나 폐정맥분리술만을 시행하기도 한다. 저자들은 절개-봉합법을 이용한 심방세동 수술방법의 변형이 심방세동의 수술결과에 어떤 영향을 주는지 알아보았다. 대상 및 방법: 1999년 2월부터 2005년 6월까지 기존 심장질환과 심방세동을 동반한 40예(남 17예; 여 23예)에서 심방세동 수술을 시행하였다. 23예에서 Cox maze-III 수술을, 10예에서 좌심방 maze 수술을, 7예에서 폐정맥 분리술을 시행하였다. 심방에 전도차단 병변을 만들기 위해 절개봉합법이 이용되었으나, 폐분리절개선에서 승모판륜까지의 심방벽과 관상정맥동의 전도차단에는 냉동프로브가 사용되었다. 결과: 심방세동 수술 후 $50.0{\pm}21.6$개월의 추적결과 Cox maze-III 수술을 받은 23예는 모두 정규리듬(동리듬이나 심방리듬)으로 전환되었고, 좌심방 maze 수술을 받은 10예 중 7예(70%)에서, 폐정맥 분리술을 받은 7예 중 4예(57.1%)에서 각각 정규리듬으로 전환되었다(p=0.002). 결론: 심방세동 수술에서 동리듬이나 심방리듬으로 높은 전환율을 얻기 위해서는 양심방에 Cox maze-III 수술을 시행해야 하며, 좌심방 maze 수술이나 폐정맥 분리술 같은 국한적인 수술방법은 심방세동의 치료율을 떨어뜨릴 수 있다.

Keywords

References

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