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Follow-up Study of Morbidity in Patients with Angina Pectoris and Normal Coronary Angiograms and the Value of Investigation for Esophageal Dysfunction

Regional Adult Cardiothoracic Unit, Broadgreen Hospital, Liverpool, England

A postal questionnaire was used to assess the symptoms, use of medical facilities, and employment status of patients with angina pectoris and normal coronary angiograms following cardiac catheterization. In a retrospective study of 187 patients, 66 had left ventricular dysfunction demonstrated by abnormal regional wall motion and 121 had normal left ventricular function. At follow-up twelve to forty-six months following catheterization, 89% with left ventricular dysfunction and 82% with normal ventricular function had continued to experience chest pain. There was no significant change in the admission rate to hospital because of chest pain or the proportion of patients who were working, after catheterization as compared with before, in either group. Some patients with left ventricular regional wall motion abnormalities appeared to have progressive left ventricular dysfunction.

In a prospective study of 63 patients, detailed investigation of esophageal function was performed. Twenty-two patients had left ventricular wall motion abnormalities. The majority of the 41 patients with normal left ventricular wall motion had esophageal abnormalities that were treated appropriately. At follow-up six to twenty-four months following catheterization significantly fewer patients with normal left ventricular function continued to experience chest pain compared with those with left ventricular dysfunction. Following catheterization the hospital admission rate fell significantly and the proportion of patients working increased significantly in the group with normal left ventricular function. The hospital admission rate and employment status of patients with left ventricular dysfunction did not change significantly following angiography. These findings suggest, therefore, that investigation for and treatment of esophageal dysfunction should be performed in patients with angina pectoris, normal coronary angiograms, and normal left ventricular function.

Angiology, Vol. 41, No. 4, 286-296 (1990)
DOI: 10.1177/000331979004100405


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