Early and late outcome of percutaneous transluminal coronary angioplasty for subacute and chronic total coronary occlusion |
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| Institution: | 1. Faculty of Medicine, Ain Shams University, Cairo, Egypt;2. Pharmacology Department, Suez Canal University, Ismailia, Egypt;3. Department of Ophthalmology and Micro-Technology, Yokohama City University, Yokohama, Japan;1. Department of Experimental, Diagnostic and Specialty Medicine, Section of Cardiology, University of Bologna, Bologna, Italy;2. Clinical Center of Serbia, Medical Faculty, University of Belgrade, Belgrade, Serbia;3. University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania;4. Department of Cardiology and Internal Medicine, Floreasca Emergency Hospital, Bucharest, Romania;5. University Clinic of Cardiology, Medical Faculty, University “Ss. Cyril and Methodius”, Skopje, Macedonia;6. Clinic for Cardiology, Clinical Center Kragujevac, Kragujevac Faculty of Medical Sciences, University in Kragujevac, Kragujevac, Serbia;7. University Clinical Hospital Center Bezanijska Kosa, Faculty of Medicine, University of Belgrade, Belgrade, Serbia;8. Department of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania;9. Clinical Center of Montenegro, Center of Cardiology, Podgorica, Montenegro;10. Department for Cardiovascular Diseases, University Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia;11. Cardiovascular Research Center, CSIC-ICCC, Hospital de la Santa Creu i Sant Pau, Autonomous University of Barcelona, Barcelona, Spain |
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| Abstract: | Percutaneous transluminal coronary angioplasty (PTCA) for nonacute total coronary occlusion was performed in 46 patients, with a 63% primary success rate (29 of 46 procedures). There were no acute myocardial infarctions and no deaths in the study group. There was no difference in success rate according to vessel dilated, prior myocardial infarction, or lesion morphology. The success rate with occlusions <2 weeks' duration was 14 of 19 (74%) vs 15 of 27 (55%) with occlusions >2 weeks' duration (p =NS). There was clinical recurrence in 14 of 29 (48%). Factors predictive of recurrence included a greater residual post-PTCA stenosis of 47 ± 6% in recurrences vs 31 ± 3% in nonrecurrences (p < 0.025), while estimated duration of initial occlusion was 1.1 ± 0.4 months for recurrences vs 3.1 ± 1 months for nonrecurrences (p = 0.07). PTCA for total occlusion has a lower success rate and higher recurrence rate than PTCA for nontotal stenoses. Recurrence appears to be related to a higher degree of post-PTCA residual narrowing and to a shorter duration of initial occlusion. |
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