Ahmed Ali, Qazi Abdul Saboor, Faqir Mohammad Awan, Qazi Muhammed Tufail, Amber Malik, Arz Muhammad, Husnain Bashir, Muhammad Abdul Rehmaan.
Comparison between the blood pressure readings taken by ambulatory blood pressure monitoring devices with blood pressure taken at home.
J Cardiovascular Dis Jan ;16(1):28-32.

ABSTRACT : Hypertension is one of the important predisposing factor for coronary artery disease and other cardiovascular pathologies. This study was perfomed to find the mean difference in systolic and diastolic blood pressure readings taken at home and by ambulatory blood pressure monitoring devices(HBPM and ABPM ) in known hypertensive patients. MATERIAL AND METHODS:The cross sectional survey was carried out in the division of Medicine, Shaikh Zayed Medical College, Lahore from 08-01-2016 to 08-07-2016.One hundred and thirty patients were enrolled through outpatients department of Medicine, Shaikh Zayed Medical College, Lahore. All patients were applied with ABPM device for one day and print outs of the readings were obtained. The device was adjusted to obtain blood pressure (BP) at every 15 minute intervals from hour 0800 to 2200 and then 30 minute interval for the rest of the day. The patients were given HBPM device for next one week. The patients recorded their BPreadings between hours 0800-2200. RESULTS: Males were 53.08%(n=69) while there were 46.92%(n=61) females. The mean age was 45.35+-8.55 years. Mean systolic pressure was calculated as 147.7+-5.59 in HBPM and 143.16+-5.57 in ABPM while mean diastolic pressure was 108.08+-6.40 in HBPM and 105.5+-6.49 in ABPM. There was a mean difference of 4.54+-0.02 for systolic and 2.58+-0.09 for diastolic pressures in two of the chosen methods for blood pressure recordings. p-value was calculated as 0.0001 for systolic and 0.0014 for diastolic pressure. CONCLUSION: The mean difference in systolic and diastolic blood pressures taken by HBPM and ABPM devices in known hypertensive patients is statistically significant but this small difference may be acceptable. This method may be an easy and cost effective technique which is helpful for monitoring of blood pressure. KEYWORDS: Hypertension, home blood pressure monitoring, ambulatory blood pressure monitoring.

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