McManus, R. J. et al. (2021) Home and Online Management and Evaluation of Blood Pressure (HOME BP) using a digital intervention in poorly controlled hypertension: randomised controlled trial. British Medical Journal, 372, m4858. (doi: 10.1136/bmj.m4858) (PMID:33468518) (PMCID:PMC7814507)
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Abstract
Objective: The HOME BP (Home and Online Management and Evaluation of Blood Pressure) trial aimed to test a digital intervention for hypertension management in primary care by combining self-monitoring of blood pressure with guided self-management. Design: Unmasked randomised controlled trial with automated ascertainment of primary endpoint. Setting: 76 general practices in the United Kingdom. Participants: 622 people with treated but poorly controlled hypertension (>140/90 mm Hg) and access to the internet. Interventions: Participants were randomised by using a minimisation algorithm to self-monitoring of blood pressure with a digital intervention (305 participants) or usual care (routine hypertension care, with appointments and drug changes made at the discretion of the general practitioner; 317 participants). The digital intervention provided feedback of blood pressure results to patients and professionals with optional lifestyle advice and motivational support. Target blood pressure for hypertension, diabetes, and people aged 80 or older followed UK national guidelines. Main outcome measures: The primary outcome was the difference in systolic blood pressure (mean of second and third readings) after one year, adjusted for baseline blood pressure, blood pressure target, age, and practice, with multiple imputation for missing values. Results: After one year, data were available from 552 participants (88.6%) with imputation for the remaining 70 participants (11.4%). Mean blood pressure dropped from 151.7/86.4 to 138.4/80.2 mm Hg in the intervention group and from 151.6/85.3 to 141.8/79.8 mm Hg in the usual care group, giving a mean difference in systolic blood pressure of −3.4 mm Hg (95% confidence interval −6.1 to −0.8 mm Hg) and a mean difference in diastolic blood pressure of −0.5 mm Hg (−1.9 to 0.9 mm Hg). Results were comparable in the complete case analysis and adverse effects were similar between groups. Within trial costs showed an incremental cost effectiveness ratio of £11 ($15, €12; 95% confidence interval £6 to £29) per mm Hg reduction. Conclusions: The HOME BP digital intervention for the management of hypertension by using self-monitored blood pressure led to better control of systolic blood pressure after one year than usual care, with low incremental costs. Implementation in primary care will require integration into clinical workflows and consideration of people who are digitally excluded. Trial registration: ISRCTN13790648.
| Item Type: | Articles |
|---|---|
| Additional Information: | RJM was funded by an NIHR Research Professorship 2013-18 (NIHR-RP-R2-12-015). |
| Keywords: | Research |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Mair, Professor Frances |
| Authors: | McManus, R. J., Little, P., Stuart, B., Morton, K., Raftery, J., Kelly, J., Bradbury, K., Zhang, J., Zhu, S., Murray, E., May, C. R., Mair, F. S., Michie, S., Smith, P., Band, R., Ogburn, E., Allen, J., Rice, C., Nuttall, J., Williams, B., Yardley, L., HOME BP investigators, , Jones, A., Hussain, A., McHardy, A., Harrison, A., LaLonde, A., Malik, A., Hernandez-Diaz, B., Cranfield, B., Nicholson, B., Anandan, C., Neden, C., Bobrow, C., Evans, C., Keast, C., Henderson, C., Sutherland, C., Kyte, C., Henderson, D., Noble, D., Capo-Bianco, E., Williams, E., Shaw, E., Mohri, F., Asal, G., Dougall, G., Bhupal, H., Luckhurst, H., Dosanjh, H., Nowell, H., Brown, J., Flett, J., Barber, J., Rutter, H., Thompson, J., Ramanan, K., Madronal, K., Malone, K., Etherington, K., Tsoi, K., Knox, K., Amin, L., Hirst, L., Allen, L., Skellern, L., Flynn, L., McEwan, L., Pugsley, M., Frassen, M., Gaw, M., Prendergast, M., Wallard, M., Faisal, M., Wooding, N., Lees, N., Wainman, P., Nanda, N., Moore, P., Conley, P., Johnson, P., Wilson, P., Jacobs, P., Whitbred, P., Zamir, R., Reed, R., Tribley, R., Woof, R., Danson, R., Lawes, R., Gallagher, S., Wadsworth, S., Macanovic, S., Cartwright, S., Pettitt, S., Tucker, S., Doggett, S., Sevenoaks, T., Watson, T., Talbot, T., Imrie, R., Herbert, T., Crockett, T., Wright, T., Sharma, V., Telford, V., Almashta, Z., Cheng, Z., Ali, Z., Grube, A., Claxton, A., Asante, B., Weare, B., McKee, E., Werrett, B., Barwell, C., Mulvihill, C., Sherwood, C., MacDonald, C., Tabor, D., Denning, D., Roberts, D., Adshead, D., Clarke, G., Huntley, H., Pinder, H., Qasim, I., Merrison, J., King, J., Allison, J., Johal, K., Terry, K., Wood, K., Balmford, K., Barnes, K., Post, K., Bowden, K.-M., Edmunds, K., Whittle, K., Peniket, L., Carnegie, L., Neale, L., Davey, L., Bartlett, L., Smith, L., Clack, L., Brown, M., McKenna, N., Kay, P., Jacobs, P., Cutts, R., Pearse, R., Atkinson, R., Barter, S., Mackie, S., Norris, S., Cook, S., Elderfield, S., Nzante, S., Cronin, S., Maslen, S., Marchant, S., Wright, S., Keene, S., Smith, S., Cimelli, S., Stone, T., Joyce, T., Le Marechal, T., Kettle, V., Osborne, V., Cubiss, W., Marsden, W., Kowalczyk-Williams, W., and Bailey, Z. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > General Practice and Primary Care |
| Journal Name: | British Medical Journal |
| Publisher: | BMJ Publishing Group |
| ISSN: | 0959-8138 |
| ISSN (Online): | 1759-2151 |
| Copyright Holders: | Copyright © 2021 The Authors |
| First Published: | First published in British MedicaL Journal 372: m4858 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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