Table 2

Results of Transesophageal Dobutamine Stress Echocardiography

Patients With Chest Pain and Normal Findings on Coronary Arteriograms (n = 70)Normal Control Subjects (n = 26)p Value
Reason for stopping (number of patients)
Completion of test5124
Severe chest pain130
Severe hypertension30
Arrhythmias10
Wall motion defects00
Intolerance22
Max dose (μg/kg per min)34.6 ± 9.737.5 ± 6.0NS
Heart rate (beats/min)
Basal81 ± 1379 ± 9NS
Peak147 ± 17139 ± 16<0.05
Blood pressure (mm Hg)
Basal
Systolic132 ± 19136 ± 15NS
Diastolic77 ± 1372 ± 7NS
Peak
Systolic173 ± 29175 ± 22NS
Diastolic78 ± 1471 ± 13NS
Chest pain59 (84%)0 (0%)<0.0001
ST segment depression24 (34%)2 (8%)<0.02
Wall motion abnormalities0 (0%)0 (0%)NS

Data presented are mean value ± SD, number of patients or number (%) of patients.