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Hotspots: Adherence in home foot temperature monitoring interventions for at-risk feet with diabetes - A narrative review.

journal contribution
posted on 2023-08-09, 07:31 authored by Petra J Jones, Lawrence Lavery, Melanie J Davies, David Webb, Alex V Rowlands

Background

Home foot temperature monitoring (HFTM) is recommended for those at moderate to high ulcer risk. Where a > 2.2°C difference in temperature between feet (hotspot) is detected, it is suggested that individuals (1) notify a healthcare professional (HCP); (2) reduce daily steps by 50%. We assess adherence to this and HFTM upon detecting a recurrent hotspot.


Methods

PubMed and Google Scholar were searched until 9 June 2023 for English-language peer-reviewed HFTM studies which reported adherence to HFTM, daily step reduction or HCP hotspot notification. The search returned 1030 results excluding duplicates of which 28 were shortlisted and 11 included.


Results

Typical adherence among HFTM study participants for >3 days per week was 61%–93% or >80% of study duration was 55.6%–83.1%. Monitoring foot temperatures >50% of the study duration was associated with decreased ulcer risk (Odds Ratio: 0.50, p < 0.001) in one study (n = 173), but no additional risk reduction was found for >80% adherence. Voluntary dropout was 5.2% (Smart mats); 8.1% (sock sensor) and 4.8%–35.8% (infrared thermometers). Only 16.9%–52.5% of participants notified an HCP upon hotspot detection. Objective evidence of adherence to 50% reduction in daily steps upon hotspot detection was limited to one study where the average step reduction was a pedometer-measured 51.2%.


Conclusions

Ulcer risk reduction through HFTM is poorly understood given only half of the participants notify HCPs of recurrent hotspots and the number of reducing daily steps is largely unknown. HFTM adherence and dropout are variable and more research is needed to determine factors affecting adherence and those likely to adhere.

History

Author affiliation

Diabetes Research Centre, University of Leicester

Version

  • AM (Accepted Manuscript)

Published in

Diabetic medicine : a journal of the British Diabetic Association

Pagination

e15189

Publisher

Wiley

issn

0742-3071

eissn

1464-5491

Copyright date

2023

Available date

2024-07-24

Spatial coverage

England

Language

eng

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