Abstract: FR-PO845

Comparison between 44-Hours Ambulatory Blood Pressure Monitoring (ABPM) and 24-Hours Non-Dialysis Day ABPM in Indian Dialysis Subjects

Session Information

Category: Dialysis

  • 606 Dialysis: Epidemiology, Outcomes, Clinical Trials - Cardiovascular

Authors

  • Kumar, Rajesh B., Apex Kidney Foundation , Mumbai, Maharashtra, India
  • Jasani, Rachana H, Apex Kidney Foundation , Mumbai, Maharashtra, India
  • BICHU, SHRIRANG, Apex Kidney Foundation , Mumbai, Maharashtra, India
  • Billa, Viswanath, Apex Kidney Foundation , Mumbai, Maharashtra, India
  • Dedhia, Paras, Apex Kidney Foundation , Mumbai, Maharashtra, India
Background

ABPM is considered as a gold standard method to assess hypertension in dialysis population. However, 44 hours ABPM is cumbersome and usually enocunters reluctance from patients. 24 hours ABPM is more practical and convenient for patients.

Methods

Ambulatory BP monitoring (ABPM) performed for 44 hours in between 2 dialysis sessions. ABPM recorded every 20 min during the day (7 am to 11 pm) and every 30 min during the night (11 pm to 7 am) in non-fistula arm. Hourly means were averaged to obtain interdialytic systolic and diastolic blood pressure readings. 24 hours ABPM data were extracted from hourly means on non-dialysis day from 6am to 6am. ABPM data with less than 70% readings were excluded from the study. 24 hours mean systolic blood pressure (SBP) and diastolic blood pressure (DBP) were compared with 44 hours measurement using paired t-test.

Results

35 patients were included in the analysis. Mean age was 54.5 ± 12.7 years and 66% were males and 34% were females. Mean dialysis vintage was 2.7 ± 2.8 years. 49% were diabetic, 97% were hypertensive and 23% had IHD. Mean 44 hour BP was 151.9 ± 15.8/ 83.2±13.4 mm Hg and mean 24 hour BP was 151.5 ± 15.9/82.6± 13.7 mm Hg. There was no statistical difference between 44 hour and 24 hour mean SBP (p value: 0.45) and mean DBP (p value: 0.77).

Conclusion

Mean SBP and DBP of 44-hours ambulatory blood pressure monitoring and 24-hours non-dialysis ABPM were comparable in study subjects. We conclude that 24 hours ABPM on non-dialysis day is an alternate feasible option in assessing BP in dialysis patients.