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Blood Press Monit. 2013 Feb;18(1):8-15. doi: 10.1097/MBP.0b013e32835d126c.

Linking clinic and home: a randomized, controlled clinical effectiveness trial of real-time, wireless blood pressure monitoring for older patients with kidney disease and hypertension.

Author information

1
Division of Nephrology, University of California, San Diego, CA, USA. drifkin@ucsd.edu

Abstract

OBJECTIVE:

Older adults with chronic kidney disease have a high rate of uncontrolled hypertension. Home monitoring of blood pressure (BP) is an integral part of management, but requires that patients bring records to clinic visits. Telemonitoring interventions, however, have not targeted older, less technologically-skilled populations.

METHODS:

Veterans with stage 3 or greater chronic kidney disease and uncontrolled hypertension were randomized to a novel telemonitoring device pairing a Bluetooth-enabled BP cuff with an Internet-enabled hub, which wirelessly transmitted readings (n=28), or usual care (n=15). Home recordings were reviewed weekly and telemonitoring participants were contacted if BP was above goal. The prespecified primary endpoints were improved data exchange and device acceptability. Secondary endpoint was BP change.

RESULTS:

Forty-three participants (average age 68 years, 75% white) completed the 6-month study. Average start-of-study BP was 147/78 mmHg. Those in the intervention arm had a median of 29 (IQR 22, 53) transmitted BP readings per month, with 78% continuing to use the device regularly, whereas only 20% of those in the usual care group brought readings to in-person visits. The median number of telephone contacts triggered by the wireless monitoring was 2 (IQR 1, 4) per patient. Both groups had a significant improvement in systolic BP (P<0.05, for both changes); systolic BP fell a median of 13 mmHg in monitored participants compared with 8.5 mmHg in usual care participants (P for comparison 0.31).

CONCLUSION:

This low-cost wireless monitoring strategy led to greater sharing of data between patients and clinic and produced a trend toward improvements in BP control over usual care at 6 months.

PMID:
23275313
PMCID:
PMC4111271
DOI:
10.1097/MBP.0b013e32835d126c
[Indexed for MEDLINE]
Free PMC Article

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