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Assessment of Mitral Valve Repair With Exercise Echocardiography : Artificial Chordae vs Leaflet Resection

Ragnarsson, Sigurdur LU ; Sjögren, Johan LU ; Stagmo, Martin LU ; Wierup, Per LU and Nozohoor, Shahab LU (2017) In Seminars in Thoracic and Cardiovascular Surgery 29(1). p.25-32
Abstract

Abstract: Mitral valve (MV) repair with artificial chordae (AC) or leaflet resection (LR) is associated with good hemodynamics at rest. The aim of this study was to compare these techniques in terms of exercise capacity and echocardiographic parameters of hemodynamics at rest and peak exercise. We conducted a study in 2015 of 56 patients, who had undergone surgery for degenerative posterior mitral leaflet prolapse between 2005 and 2014 using either AC (n = 24) or LR (n = 32). Clinical data were collected, exercise capacity was measured, and resting echocardiography and peak exercise echocardiography were performed. No significant differences were detected among groups regarding exercise duration or peak exercise workload measured in... (More)

Abstract: Mitral valve (MV) repair with artificial chordae (AC) or leaflet resection (LR) is associated with good hemodynamics at rest. The aim of this study was to compare these techniques in terms of exercise capacity and echocardiographic parameters of hemodynamics at rest and peak exercise. We conducted a study in 2015 of 56 patients, who had undergone surgery for degenerative posterior mitral leaflet prolapse between 2005 and 2014 using either AC (n = 24) or LR (n = 32). Clinical data were collected, exercise capacity was measured, and resting echocardiography and peak exercise echocardiography were performed. No significant differences were detected among groups regarding exercise duration or peak exercise workload measured in Watts (W) (AC: 136 ± 43 W and LR: 131 ± 40 W; P = 0.65). The mean mitral gradient at rest was 3.0 ± 1.3 mm Hg in the AC group and 3.0 ± 1.0 mm Hg in the LR group (P = 0.90). The mean MV gradients at peak exercise did not differ significantly between groups (AC: 8.3 ± 3.4 and LR: 11.3 ± 8.7; P = 0.19). Four patients (17%) in the AC group and 1 (3%) in the LR group had systolic anterior motion, P = 0.15. We conclude that both methods of posterior MV leaflet repair were associated with good hemodynamics at rest and peak exercise. The groups had comparable exercise capacity. MV pressure gradients at rest and peak exercise were similar in both groups.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Artificial chordae, Exercise echocardiography, Mitral valve gradient, Mitral valve repair
in
Seminars in Thoracic and Cardiovascular Surgery
volume
29
issue
1
pages
25 - 32
publisher
W.B. Saunders Ltd
external identifiers
  • scopus:85013502735
  • wos:000413306600005
ISSN
1043-0679
DOI
10.1053/j.semtcvs.2017.01.001
language
English
LU publication?
yes
id
b2485a83-12fc-442c-af94-90a56a4d75b9
date added to LUP
2017-03-24 14:01:40
date last changed
2018-01-16 13:25:02
@article{b2485a83-12fc-442c-af94-90a56a4d75b9,
  abstract     = {<p>Abstract: Mitral valve (MV) repair with artificial chordae (AC) or leaflet resection (LR) is associated with good hemodynamics at rest. The aim of this study was to compare these techniques in terms of exercise capacity and echocardiographic parameters of hemodynamics at rest and peak exercise. We conducted a study in 2015 of 56 patients, who had undergone surgery for degenerative posterior mitral leaflet prolapse between 2005 and 2014 using either AC (n = 24) or LR (n = 32). Clinical data were collected, exercise capacity was measured, and resting echocardiography and peak exercise echocardiography were performed. No significant differences were detected among groups regarding exercise duration or peak exercise workload measured in Watts (W) (AC: 136 ± 43 W and LR: 131 ± 40 W; P = 0.65). The mean mitral gradient at rest was 3.0 ± 1.3 mm Hg in the AC group and 3.0 ± 1.0 mm Hg in the LR group (P = 0.90). The mean MV gradients at peak exercise did not differ significantly between groups (AC: 8.3 ± 3.4 and LR: 11.3 ± 8.7; P = 0.19). Four patients (17%) in the AC group and 1 (3%) in the LR group had systolic anterior motion, P = 0.15. We conclude that both methods of posterior MV leaflet repair were associated with good hemodynamics at rest and peak exercise. The groups had comparable exercise capacity. MV pressure gradients at rest and peak exercise were similar in both groups.</p>},
  author       = {Ragnarsson, Sigurdur and Sjögren, Johan and Stagmo, Martin and Wierup, Per and Nozohoor, Shahab},
  issn         = {1043-0679},
  keyword      = {Artificial chordae,Exercise echocardiography,Mitral valve gradient,Mitral valve repair},
  language     = {eng},
  number       = {1},
  pages        = {25--32},
  publisher    = {W.B. Saunders Ltd},
  series       = {Seminars in Thoracic and Cardiovascular Surgery},
  title        = {Assessment of Mitral Valve Repair With Exercise Echocardiography : Artificial Chordae vs Leaflet Resection},
  url          = {http://dx.doi.org/10.1053/j.semtcvs.2017.01.001},
  volume       = {29},
  year         = {2017},
}