Valve repair versus valve replacement
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Mitral valve surgery is indicated when the mitral regurgitation is severe or when the patient is symptomatic. Valve repair or replacement are the two types of surgeries available to treat these conditions. Decision between valve repair or valve replacement is made based on the type and severity of damage to mitral valve.
Mitral valve repair is recommended in following:
- Limited damage to certain areas of the mitral valve leaflets or chordae tendineae[1]
- Limited calcification of the leaflets or annulus
- Prolapse of less than one-third of either leaflet
- Pure annular dilatation
- Valvular perforations
- Incomplete papillary muscle rupture
Mitral valve replacement is recommended in following:
- Extensive calcification or degeneration of a leaflet or annulus
- Prolapse of more than one-third of the leaflet tissue
- Extensive chordal fusion, calcification, or papillary muscle rupture
- Extensive damage of mitral valve secondary to endocarditis
Multiple studies have shown that there are better outcomes in terms of left ventricular function and survival with mitral valve repair compared to valve replacement.[2][3][4][5]
References
- ↑ Gillinov AM, Faber C, Houghtaling PL, Blackstone EH, Lam BK, Diaz R; et al. (2003). "Repair versus replacement for degenerative mitral valve disease with coexisting ischemic heart disease". J Thorac Cardiovasc Surg. 125 (6): 1350–62. PMID 12830055.
- ↑ Krayenbuehl HP (1986). "Surgery for mitral regurgitation. Repair versus valve replacement". Eur Heart J. 7 (8): 638–43. PMID 3769948.
- ↑ Enriquez-Sarano M, Schaff HV, Orszulak TA, Tajik AJ, Bailey KR, Frye RL (1995). "Valve repair improves the outcome of surgery for mitral regurgitation. A multivariate analysis". Circulation. 91 (4): 1022–8. PMID 7850937.
- ↑ Yau TM, El-Ghoneimi YA, Armstrong S, Ivanov J, David TE (2000). "Mitral valve repair and replacement for rheumatic disease". J Thorac Cardiovasc Surg. 119 (1): 53–60. PMID 10612761.
- ↑ Tribouilloy CM, Enriquez-Sarano M, Schaff HV, Orszulak TA, Bailey KR, Tajik AJ; et al. (1999). "Impact of preoperative symptoms on survival after surgical correction of organic mitral regurgitation: rationale for optimizing surgical indications". Circulation. 99 (3): 400–5. PMID 9918527.