Comparison of spinal anaesthesia induced fall in blood pressure in normotensive and hypertensive patients

Objective: to compare the spinal anaesthesia induced fall in blood pressure in normotensive and hypertensive patients. material and methods: present study was conducted in the general surgery,urology,orthopaedics and gynaecology/obstetrics operation theaters of nishtar hospital,multan from june 2010to march 2011. a total of 100 patients divided in two equal groups were included in the study. results: in this study 100 patients of age range 20-80 years (mean age 61.37±17.108),having 76 (76%) male and 24(24%) female patients. the incidence of fall in blood pressure was 17(34%) out of 50in normotensive while 31(62%) out of 50 hypertensive patients,showing that hypotension is more common in elderly male patients. conclusion: spinal anaesthesia induced fall in blood pressure is more common in hypertensive patients than in normotensive patients.