J Korean Acad Fam Med.  2003 Dec;24(12):1099-1103.

Changes of Blood Pressure during Endoscopy

  • 1Department of Family Medicine, Hanil General Hospital, Korea. parkhyunah@hananet.net


BACKGROUND: The burden of cardiac complications during endoscopy are growing due to increasing proportion of elderly in the endoscopy target population. This study was conducted to examine the blood pressure changes before and after the endoscopy and to seek better pre-treatments in minimizing cardiac complications.
One hundred subjects were chosen by consecutive sampling who visited a general hospital for physical examination. Basal, pre-endoscopic, immediate post-endoscopic blood pressure and blood pressure after 10 and 30 minutes were measured utilizing manual BP cuffs and recorded.
The subjects included 34 hypertensive patients. Twelve subjects were on anti hypertensive medication. In 5 consecutive measurements, significant variations on blood pressure was noted (P<0.01). Blood pressure kept increasing until immediately after the procedure, followed by a gradual reduction. These changes were observed in both the normotensive and the hypertensive group, but the degree of changes were more pronounced in the hypertrensive group than the normotensive group (P<0.01). The difference between basal and after procedure was 17.6 mmHg for systolic, 13.5 mmHg for diastolic in the normotensive group. However in the hypertensive group, the difference was 21.4 mmHg for systolic, 14.8 mmHg for diastolic. In comparison of medicated and non-medicated group in the hypertensive patients, the degree of changes were marginally, but significantly lower in the treatment group than in the non-treatment group (systolic P=0.056, diastolic P=0.049).
The stress during endoscopy resulted in blood pressure changes, and the degree of changes was higher in the hypertensive group than the normotensive group. In the hypertensive group, the degree of changes was lower in patients treated with anti hypertensives than the non-treated patients. This sample size, however, was small.


blood pressure change; endoscopy; hypertensive group; normotensive group; anti hypertensive
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