Coronary angioplasty for isolated non-dominant left circumflex coronary artery disease

The study describes the clinical findings and results of coronary balloon angioplasty in 134 patients with non-dominant left circumflex coronary artery disease. The immediate angiographic success rate was 97% versus 95% for left anterior descending ( P = NS), and 90% for right coronary lesions ( P &...

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Veröffentlicht in:International journal of cardiology 1994-03, Vol.44 (1), p.45-51
Hauptverfasser: Verin, Vitali E., Meier, Bernhard, Urban, Philip, Chatelain, Pascal, Camenzind, Edoardo, Pande, Abhay K., Mehan, Vivek K., Dorsaz, Pierre A.
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Sprache:eng
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Zusammenfassung:The study describes the clinical findings and results of coronary balloon angioplasty in 134 patients with non-dominant left circumflex coronary artery disease. The immediate angiographic success rate was 97% versus 95% for left anterior descending ( P = NS), and 90% for right coronary lesions ( P < 0.002). There was no hospital mortality in the circumflex group versus 1.2% in the left anterior descending ( P < 0.01), and 0.4% in the right coronary artery group ( P = NS). Major non-fatal cardiac complications were significantly lower in the non-dominant left circumflex coronary artery patients (no new Q-wave versus 3% in the left anterior descending, P < 0.0002, and 3% in the right coronary artery group, P < 0.01; no urgent coronary artery bypass grafting versus 2% in the left anterior descending, P < 0.001, and 1% in the right coronary artery group, P = NS). The freedom from chest pain was 63% in 112 patients (84%) with follow-up data available at 24 ± 18 months, and mean angina class diminished to 0.7 ± 1.3 ( P < 0.001). Consumption of antianginal and other cardiac drugs was diminished during follow-up, and the number of patients on no such drugs increased from 5 to 32% ( P < 0.001). Restenosis was found in 19 of 32 patients with repeat coronary angiography (59%). Repeat angioplasty was required in 22 patients during follow-up and in 4 of them (18%) it was done for new lesions. Angioplasty for isolated non-dominant left circumflex coronary artery disease yields excellent immediate and long-term results.
ISSN:0167-5273
1874-1754
DOI:10.1016/0167-5273(94)90065-5