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  • Title: [Is percutaneous transluminal coronary angioplasty in chronic total coronary occlusion justified? Long term results in a series of 201 patients].
    Author: Angioï M, Danchin N, Juillière Y, Feldmann L, Berder V, Cuillière M, Buffet P, Anconina J, Cherrier F.
    Journal: Arch Mal Coeur Vaiss; 1995 Oct; 88(10):1383-9. PubMed ID: 8745609.
    Abstract:
    Percutaneous transluminal coronary angioplasty of chronic total coronary occlusions has a low primary success rate and is associated with a high percentage of restenosis. The aim of this retrospective study was to assess the long-term benefits of these procedures. In a series of 201 patients with 203 chronic total occlusions, the technical success rate was 51%, the clinical success rate was 46% with 3% of major complications. The only factor associated with a favourable outcome was the presumed duration of the occlusion. The clinical follow-up period was established at 6 years. The result of the initial procedure was used to establish two groups of patients: group I, clinical success, and group II, clinical failure. Patients in group I had a probability of survival greater than that of those in group II (97 vs 92%; p < 0.05); survival without coronary bypass surgery was also significantly better (89 vs 74%; p < 0.003). On the other hand, the probability without angioplasty was less in group I (70 vs 77%; p < 0.01), the result of a high restenosis rate (48%). A Cox analysis identified clinical success of angioplasty as a good prognostic factor for survival. Moreover, the clinical status at long-term was significantly better in patients in group I. These results indicate that in patients with chronic total coronary occlusions, the success of angioplasty has a favourable effect on long-term outcome both in terms of survival and in quality of life. They must be interpreted in the light of the limitations inherent in a retrospective study and should be confirmed by prospective trials.
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