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Abstract
Objective Myocardial ischaemia has been described during endoscopic retrograde cholangio-pancreatography (ERCP), but the pathogenesis remains unclear. The aim of the present study was to evaluate whether coronary artery disease was present in patients with ST-segment changes during ERCP. Material and methods Forty patients were monitored with a Holter tape recorder during ERCP. Patients with ST-segment deviation during ERCP subsequently underwent a standard exercise ECG test. Results Twelve patients developed signs of myocardial ischaemia during ERCP (30%) and 9 had concomitant tachycardia. None had a cardiac history or cardiorespiratory symptoms. Ten of the 12 patients did an exercise test and one patient developed silent ischaemia. Subsequent coronary angiography showed no evidence of coronary artery disease. Conclusions No signs of existing coronary artery disease were found in patients developing ST deviation during ERCP when evaluated with a 12-lead exercise ECG test. Further studies should evaluate other mechanisms responsible for myocardial ischaemia during ERCP.