Journal of Yeungnam Medical Science

Yeungnam University College of Medicine, Yeungnam University Institute Medical Science (영남대 의대 학술지 편집위원회)
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Investigation of right ventricle function in patients with tetralogy of Fallot after total correction using cardiac magnetic resonance imaging

심장 자기공명영상을 이용한 팔로사징 완전 교정술 후 우심실 기능에 대한 연구

  • Jang, Woo Sung (Department of Thoracic and Cardiovascular Surgery, Keimyung University School of Medicine) ;
  • Choi, Hee Joung (Department of Pediatrics, Keimyung University School of Medicine) ;
  • Lee, Jong-Min (Department of Radiology, Kyungpook National University School of Medicine) ;
  • Kim, Jae Bum (Department of Thoracic and Cardiovascular Surgery, Keimyung University School of Medicine) ;
  • Kim, Jae Hyun (Department of Thoracic and Cardiovascular Surgery, Keimyung University School of Medicine) ;
  • Jang, Jae Seok (Department of Cardiothoracic Surgery, School of Medicine, Daegu Catholic University)
  • 장우성 (계명대학교 의과대학 흉부외과학교실) ;
  • 최희정 (계명대학교 의과대학 소아과학교실) ;
  • 이종민 (경북대학교 의과대학 영상의학과학교실) ;
  • 김재범 (계명대학교 의과대학 흉부외과학교실) ;
  • 김재현 (계명대학교 의과대학 흉부외과학교실) ;
  • 장재석 (대구가톨릭대학교 의과대학 흉부외과학교실)
  • Received : 2017.11.28
  • Accepted : 2017.12.12
  • Published : 2017.12.31
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Abstract

Background: We investigated the difference in right ventricle (RV) volume and ejection fraction (EF) according to the pulmonary valve (PV) annular extension technique during Tetralogy of Fallot (TOF) total correction. Methods: We divided patients who underwent the procedure from 1993 to 2003 into two groups according to PV extension technique (group I: PV annular extension, group II: no PV annular extension) during TOF total correction. We then analyzed the three segmental (RV inlet, trabecular and outlet) and whole RV volume and EF by cardiac magnetic resonance imaging (MRI). Results: Fourteen patients were included in this study (group I: 10 patients, group II: four patients; male: nine patients, female: five patients). Cardiac MRI was conducted after a 16.1 years TOF total correction follow-up period. There was no statistical difference in RV segmental volume index or EF between groups (all p>0.05). Moreover, the total RV volume index and EF did not differ significantly between groups (all p>0.05). Conclusion: The RV volume and EF of the PV annular extension group did not differ from that of the PV annular extension group. Thus, PV annular preservation technique did not show the surgical advantage compared to PV annular extension technique in this study.

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References

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