Percutaneous Coronary Intervention in Chronic Total Occlusion – In Hospital Outcome.
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Date
2009
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Abstract
Background- Although a total coronary occlusion is identified approximately in one third of the
diagnostic cardiac catheterizations, still an attempted revascularization of total occlusion accounts
for less than 8% of all percutaneous coronary interventions (PCI). Percutaneous Coronary
Intervention (PCI) of chronic total occlusion (CTO) is one of the major challenges in interventional
cardiology. It is now an well-accepted revascularization procedure.
Methods: It was a prospective observational study conducted in National Institute of Cardiovascular
Diseases, Dhaka, from July 2004 to June 2005. 50 consecutive patients with chronic total occlusion
undergoing PCI were included in the study. Patients were observed during procedure and during
the hospital stay.
Result: The mean age of the patients was 46.7 ± 9.3 and 48.0% were in the age range of 45-54 years.
24 patients had post MI angina, 20 patients had chronic stable angina and 6 patients had unstable
angina. Technical success was in 98% cases and procedural success was in 94% cases. One patient
developed vessel perforation and was treated by prolonged balloon inflation. There was no death or
STEMI and only 2 patients developed NSTEMI.
Conclusion: In our study with the use of available facilities PCI in CTOs was possible with a high
success rate. But dealing of more complicated lesion will require more improved technology and
hardware. A study with larger number of patients and longer duration of follow up to determine the
efficacy of the procedure in improving morbidity and mortality is needed.
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Kar N, Ullah M, Karmakar P K, Islam A E M Mazharul, Reza A Q M, Rahman S. Percutaneous Coronary Intervention in Chronic Total Occlusion – In Hospital Outcome. Cardiovascular Journal. 2009; 1(2): 156-160.