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Obesity management in primary care: systematic review exploring the influence of therapeutic alliance
Elizabeth A Sturgiss1, Kathleen O'Brien2, Nicholas Elmitt2
1Department of General Practice, Monash University, Melbourne, Australia.
Purpose:
To identify the influence of the therapeutic alliance on the effectiveness of obesity interventions delivered in primary care.
Method:
Systematic review of randomized controlled trials of primary care interventions for adult patients living with obesity. Comprehensive search strategy using the terms 'obesity', 'primary care' and 'intervention' of seven databases from 1 January 1998 to March 2018. Primary outcome was difference in weight loss in interventions where a therapeutic alliance was present.
Results:
From 10 636 studies, 11 (3955 patients) were eligible. Only one study had interventions that reported all aspects of therapeutic alliance, including bond, goals and tasks. Meta-analysis was not included due to high statistical heterogeneity and low numbers of trials; as per our protocol, we proceeded to narrative synthesis. Some interventions included the regular primary care practitioner in management; very few included collaborative goal setting and most used prescriptive protocols to direct care.
Conclusions:
We were surprised that so few trials reported the inclusion of elements of the therapeutic alliance when relational aspects of primary care are critical for effectiveness. Interventions could be developed to maximize therapeutic relationships and research reports should describe interventions comprehensively.
Systematic Review Registration Number:
CRD42018091338 in PROSPERO (International prospective register of systematic reviews).
Insights
Few obesity interventions in primary care report therapeutic alliance elements. Enhancing patient-practitioner relationships is crucial for effective obesity treatment and requires comprehensive reporting in research.
Area of Science:
- Obesity research
- Primary care interventions
- Therapeutic alliance in healthcare
Background:
- Obesity is a significant public health concern requiring effective interventions.
- Primary care settings are pivotal for delivering obesity management strategies.
- The therapeutic alliance, encompassing bond, goals, and tasks, is recognized for its importance in healthcare outcomes.
Purpose of the Study:
- To investigate the influence of the therapeutic alliance on the effectiveness of obesity interventions within primary care.
- To assess the extent to which randomized controlled trials report on therapeutic alliance components in obesity interventions.
Main Methods:
- Systematic review of randomized controlled trials (RCTs) focusing on adult obesity interventions in primary care.
- Searched seven databases using terms 'obesity', 'primary care', and 'intervention' from January 1998 to March 2018.
- Narrative synthesis was employed due to high statistical heterogeneity and limited trial numbers; primary outcome was weight loss difference.
Main Results:
- Eleven RCTs involving 3955 patients were eligible from over 10,000 studies.
- Only one study comprehensively reported all aspects of the therapeutic alliance (bond, goals, tasks).
- Most interventions utilized prescriptive protocols, with few incorporating collaborative goal setting or the regular primary care practitioner.
Conclusions:
- A surprising scarcity of reported therapeutic alliance elements was found in obesity intervention trials, despite their critical role in primary care effectiveness.
- Future interventions should be designed to optimize therapeutic relationships.
- Research reporting on obesity interventions needs to be more comprehensive regarding relational aspects.
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