Vol. 19 No. 3 (2015)
ACQUIRED HEART DISEASES

Mid-term results of mitral valve reconstruction by using D-ring and C-flex systems in patients with degenerative mitral valve disease

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  • S. Zheleznev,
  • A. Bogachev-Prokofiev,
  • A. Afanasyev,
  • V. Nazarov,
  • I. Demin,
  • A. Karaskov
S. Zheleznev
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
A. Bogachev-Prokofiev
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
A. Afanasyev
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
V. Nazarov
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
I. Demin
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
A. Karaskov
Academician Ye. Meshalkin Novosibirsk Research Institute of Circulation Pathology Ministry of Health Care of Russian Federation, 15 Rechkunovskaya St., 630055 Novosibirsk, Russian Federation
Bio
DOI: https://doi.org/10.21688/1681-3472-2015-3-36-49

Published 2015-10-22

Keywords

  • mitral insufficiency,
  • mitral regurgitation,
  • mitral valve repair,
  • degenerative mitral valve disease

How to Cite

Zheleznev, S., Bogachev-Prokofiev, A., Afanasyev, A., Nazarov, V., Demin, I., & Karaskov, A. (2015). Mid-term results of mitral valve reconstruction by using D-ring and C-flex systems in patients with degenerative mitral valve disease. Patologiya Krovoobrashcheniya I Kardiokhirurgiya, 19(3), 36–49. https://doi.org/10.21688/1681-3472-2015-3-36-49

Copyright (c) 2015 Zheleznev S.I., Bogachev-Prokofiev A.V., Afanasyev A.V., Nazarov V.M., Demin I.I., Karaskov A.M.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objective. The purpose of the research was to compare early and mid-term results following mitral valve repair by using semirigid and flexible annuloplasty rings.
Methods. Over a period from September 2011 to September 2014 171 patients with isolated mitral valve insufficiency were recruited and divided in two groups. Mean age in Group I (D-ring) was 57 years (42 to 65), while in group II (C flex) it was 54 years (41 to 63) (р = 0.092). Males constituted more than a half of patients in both groups (69% and 67% respectively).
Results. No early deaths (90 days) were registered. There were 4 transient ischemic attacks in group I (p = 0.042). At midterm follow up (24 months) the survival rate in D-ring and C flex groups accounted for 96.0±2.3% (95% CI 88.6-98.7%) and 94.3±2.8% (95% CI 85.5-97.9%) respectively (log-rank test = 0.899); freedom from reoperation ran to 97.0±2.1% (95% CI 88.4-99.3%) and 100% respectively (log-rank test = 0.044); freedom from significant recurrent mitral regurgitation came to 80.8±6.5% (95% CI 64.0-90.3%) and 92.8±3.1% (95% CI 83.4-97.0%) respectively (log-rank test = 0.002).
Conclusion. Using flexible C rings reduces the incidence of postoperative complications and provides better clinical and functional mid-term results as compared to semi-rigid annuloplasty rings in patients with severe mitral regurgitation due to degenerative mitral valve disease.

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