Successful repair of delayed rupture of the left ventricular wall after mitral valve replacement. Report of two cases.
1983
: Rupture of left ventricular wall (LVWR) following mitral replacement (MVR) is rare (0.5 to 7.3% of all MVR). Two "types" of LVWR have been recognized and attributed to technical errors during MVR and/or to co-existing unfavourable conditions. The two types are precisely located, and appear "early" during operation, at discontinuation of cardiopulmonary bypass (CPB). Miller et al. have described a "third type" LVWR which depends primarily on local conditions, is located between the other two and occurs "late". Successful repair is rare. The outcome is favourably influenced by intraoperative recognition. This paper reports two LVWRs "type III" which occurred among 282 MVR (0.7%) done in our Department since 1977. Both were successfully repaired respectively 12 (and again 48) and 15 hours after MVRs. To the best of our knowledge these are the only cases of successful repair of a "type III" LVWR reported in the literature. On the basis of this experience some considerations are presented.
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