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Nepal Med Coll J. 2005 Dec;7(2):101-6.

Analysis of clinical factors affecting the restenosis following percutaneous coronary intervention.

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Department of Medicine, Nepal Medical College.


Coronary heart disease (CHD) is a leading cause of morbidity and mortality across the world. Percutaneous coronary interventions (PCI) including angioplasty and/or stenting have revolutionized the effect management of ischemic syndromes in CHD and their symptoms. However, the superimposition of iatrogenic mechanical injury (PCI procedure) on coronary atherosclerosis initiates restenosis that may complicate the patient's clinical course like recurrence of angina, myocardial infarction and cardiac insufficiency. In order to study the possible association of clinical risk factors on the incidence of restenosis; clinical predictors were determined in 98 patients (81 males and 17 females) who all undergone follow-up coronary angiography within 8.2 months after PCI. The mean age was 59.7years (40-80years). 83 patients had recurrence of angina however 15 patients had no symptoms at the follow up. The multivariate analysis of the clinical predictors demonstrated that a significant higher risk of restenosis after PCI was found in patients with hyperlipidemia p<0.05, [RR=1.311(1.018-1.687)]. Longer the history of hyperlipidemia the angina recurrence time is shorter. Besides restenosis is also closely related to male patients (p<0.10). Finally, this study strengthens evidence that restenosis following PCI is higher in patients with hyperlipidemia, and longer the history of hyperlipidemia the recurrence time of angina is shorter.

[Indexed for MEDLINE]

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