Balloon mitral valvuloplasty: immediate and short term haemodynamic and clinical outcome

F Rahman, N Akhter, K Anam, M A Rashid, M J Uddin, C M Ahmed, M Safiuddin, M M Rahman, M G Hafiz, S K Banerjee, K S Haque
Mymensingh Medical Journal: MMJ 2010, 19 (2): 199-207
This prospective study was carried out in the Department of Cardiology, University Cardiac Center, Banghabandhu Sheikh Mujib Medical University, Dhaka, to evaluate the short term clinical and haemodynamic outcome of Balloon mitral valvuloplasty in mitral stenosis. Total 100 patients underwent percutaneous mitral commissurotomy out of which 60 cases had pure mitral stenosis and 40 patients had concomitant other nonsignificant valvular disease. Mitral valve dilatation increases in mitral valve area from 0.5+/-0.22 to 1.80+/-0.41 cm2. Mitral valve mean pressure gradient decline from 24.0+/-6.48 mm of Hg to 6.1+/-3.0 mm of Hg: mean left arterial pressure decline from 21.40+/-4.80 mm of Hg to 6.50+/-2.82 mm of Hg (p<0.001). The pulmonary artery systolic pressure decreased from 78.7+/-20.34 mm of Hg to 30.18+/-10.8 mm of Hg (p<0.001). Procedural success, as defined final mitral valve area>1.5 cm2 or>50% increase in area, was achieved in 95% patients. Serious complications occurred in 2(2%) patients and no death occurred in the study. Minor complications such as vasovagal reaction (03%), balloon rupture without sequelae (1%), hypotension, Seizure etc. during the procedure were also noted. Although percutaneous transvenous mistral commissurotomy appears to be effective at relieving the hemodynamic effects of rheumatic mitral stenosis, it is not without risk. In properly selected patients, however, it appears to have low morbidity and mortality. The overall results of this study demonstrate that the short term clinical and haemodynamic outcome of the procedure were excellent and the incidence of related complications were reasonable.

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