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Cameron G. Densem, MD
Wythenshawe Hospital Wythenshawe, Manchester, England

JAMA. 1997;277(20):1593.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—Dr Kong and colleagues¹ presented data on a cohort of patients taken from 2812 consecutive elective coronary artery interventions and concluded that a rise in creatine kinase (CK) after the procedure was associated with an adverse prognosis. However, the group of patients in this cohort were at increased risk of further morbidity and mortality for a number of reasons unrelated to a rise in CK. First, the case group was more likely to be hypertensive and hyperlipidemic relative to the control group, putting the case group at increased of future events without coronary revascularization. The increased incidence of myocardial infarctions and previous bypass surgery also suggested more extensive disease in the case group with stenoses less than 50%, and the case group had more complex target lesions. During the procedure, complications were more prevalent in the case group with poorer degree of revascularization. Therefore, it is . . . [Full Text PDF of this Article]

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