{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T08:10:24Z","timestamp":1698394224245},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,12,6]],"date-time":"2005-12-06T00:00:00Z","timestamp":1133827200000},"content-version":"vor","delay-in-days":4691,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cathet. Cardiovasc. Diagn."],"published-print":{"date-parts":[[1993,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Balloon mitral valvotomy, using a new Twin AT catheter (two balloons attached side by side over one shaft), was performed in 110 consecutive cases. The age of the patients ranged from 19\u201378 yr (mean 46 \u00b1 15). From a total of 94 females and 16 males, 23 of the patients (22%) had mitral valve calcification, 47 patients (46%) had atrial fibrillation, and 39 patients (37%) had mitral regurgitation (&lt; +2). Twenty patients (18%) presented with restenosis following surgical commissurotomy. Total catheterization time was 101 \u00b1 26 min and the duration of the valvotomy procedure was 37 \u00b1 21 min in these cases. For the entire population, there was a significant reduction in mitral valve gradient (15 2 6 to 4.8 \u00b1 2.6 mmHg, p &lt; .001), an increase in mitral valve area (MVA) (1.1 \u00b1 0.3 to 2.35 \u00b1 0.7 cm<jats:sup>2<\/jats:sup> ,p &lt; .001), and a decrease in mean pulmonary arterial pressure (31 \u00b1 12 to 26 \u00b1 11, p &lt;.002) after the balloon mitral valvotomy. Sixteen patients (1 4%) developed significant left to right shunt, and in 22 patients (20%) mitral regurgitation increased moderately but without resulting in emergency valve replacement. There was one incidence of embolic episode and one pericardial tamponade. Adequate hemodynamic results (MVA &gt; 1.5 cm<jats:sup>2<\/jats:sup> and % increase in MVA \u2265 50%) without major complications were obtained in 99 cases. In 9 patients with severely diseased valve (2 previous commissurotomy, one restenosis after balloon valvotomy), or small left ventricular cavity, insufficient results were obtained by the Twin\u2010AT catheter. The Twin\u2010AT balloon catheter was exchanged for larger 2 balloons combinations in 5 patients and lnoue catheter in 4, and significant improvement in MVA was obtained in 5 cases. Thus, BMV can be safely and effectively performed in most cases with this new Twin\u2010AT catheter, thereby saving time and cost. \u00a9 1993 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ccd.1810280207","type":"journal-article","created":{"date-parts":[[2007,3,2]],"date-time":"2007-03-02T01:40:03Z","timestamp":1172799603000},"page":"126-133","source":"Crossref","is-referenced-by-count":8,"title":["Balloon mitral valvotomy by using the twin\u2010at catheter: Immediate results and complications in 110 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