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Surgical results of monocusp implantation with transannular patch angioplasty in tetralogy of fallot repair

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Author(s)
Woo Sung JangJoon Yong ChoJong Uk LeeYoungok Lee
Keimyung Author(s)
Jang, Woo Sung
Department
Dept. of Thoracic & Cardiovascular Surgery (흉부외과학)
Journal Title
Korean Journal of Thoracic and Cardiovascular Surgery
Issued Date
2016
Volume
49
Issue
5
Keyword
Tetralogy of FallotTransannular patchMonocusp reconstruction
Abstract
Background: Monocusp reconstruction with a transannular patch (TAP) results in early improvement because
it relieves residual volume hypertension during the immediate postoperative period. However, few reports
have assessed the long-term surgical outcomes of this procedure. The purpose of the present study was to
evaluate the mid-term surgical outcomes of tetralogy of Fallot (TOF) repair using monocusp reconstruction
with a TAP. Methods: Between March 2000 and March 2009, 36 patients with a TOF received a TAP. A TAP
with monocusp reconstruction (group I) was used in 25 patients and a TAP without monocusp reconstruction
(group II) was used in 11 patients. We evaluated hemodynamic parameters using echocardiography
during t he f ollow-up p eriod in b oth groups. Results: At the most recent follow-up echocardiography (mean
follow-up, 8.2 years), the mean pulmonary valve velocities of the patients in group I and group II were
2.1±1.0 m/sec and 0.9±0.9 m/sec, respectively (p=0.001). Although the incidence of grade 3–4 pulmonary regurgitation
(PR) was not significantly different between the two groups (group I: 16 patients, 64.0%; group
II: 7 patients, 70.0%; p=0.735) during the follow-up period, the interval between the treatment and the incidence
of PR aggravation was longer in group I than in group II (group I: 6.5±3.4 years; group II: 3.8±2.2
years; p=0.037). Conclusion: Monocusp reconstruction with a TAP prolonged the interval between the initial
treatment and grade 3–4 PR aggravation. Patients who received a TAP with monocusp reconstruction to repair
T OF w ere not to p rogress to p ulmonary s tenosis during t he f ollow-up p eriod as t hose who received a
TAP without monocusp reconstruction.
Keimyung Author(s)(Kor)
장우성
Publisher
School of Medicine
Citation
Woo Sung Jang et al. (2016). Surgical results of monocusp implantation with transannular patch angioplasty in tetralogy of fallot repair. Korean Journal of Thoracic and Cardiovascular Surgery, 49(5), 344–349. doi: 10.5090/kjtcs.2016.49.5.344
Type
Article
ISSN
2233-601X
DOI
10.5090/kjtcs.2016.49.5.344
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/32513
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Thoracic & Cardiovascular Surgery (흉부외과학)
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