The effectiveness of interventions to improve laboratory requesting patterns among primary care physicians: a systematic review

Implementation Science

Mary R. Cahill³  Colin P. Bradley²  John P. Browne¹  Sharon L. Cadogan¹ 

[1]Department of Epidemiology and Public Health, University College Cork, Cork, Ireland

[2]Department of General Practice, University College Cork, Cork, Ireland

[3]Department of Haematology, Cork University Hospital, Cork, Ireland

关键词: Laboratory testing;    Healthcare interventions;    Behaviour change;    Primary care;    Interventions;   

Others  :  1235176
DOI  :  10.1186/s13012-015-0356-4

 received in 2015-04-15, accepted in 2015-11-30,  发布年份 2015

【 摘 要 】

Background

Laboratory testing is an integral part of day-to-day primary care practice, with approximately 30 % of patient encounters resulting in a request. However, research suggests that a large proportion of requests does not benefit patient care and is avoidable. The aim of this systematic review was to comprehensively search the literature for studies evaluating the effectiveness of interventions to improve primary care physician use of laboratory tests.

Methods

A search of PubMed, Cochrane Library, Embase and Scopus (from inception to 09/02/14) was conducted. The following study designs were considered: systematic reviews, randomised controlled trials (RCTs), controlled clinical trials (CCTs), controlled before and after studies (CBAs) and interrupted time series analysis (ITSs). Studies were quality appraised using a modified version of the Effective Practice and Organisation of Care (EPOC) checklist. The population of interest was primary care physicians. Interventions were considered if they aimed to improve laboratory testing in primary care. The outcome of interest was a volume of laboratory tests.

Results

In total, 6,166 titles and abstracts were reviewed, followed by 87 full texts. Of these, 11 papers were eligible for inclusion in the systematic review. This included four RCTs, six CBAs and one ITS study. The types of interventions examined included education, feedback, guidelines, education with feedback, feedback with guidelines and changing order forms. The quality of included studies varied with seven studies deemed to have a low risk of bias, three with unclear risk of bias and one with high risk of bias. All but one study found significant reductions in the volume of tests following the intervention, with effect sizes ranging from 1.2 to 60 %. Due to heterogeneity, meta-analysis was not performed.

Conclusions

Interventions such as educational strategies, feedback and changing test order forms may improve the efficient use of laboratory tests in primary care; however, the level of evidence is quite low and the quality is poor. The reproducibility of findings from different laboratories is also difficult to ascertain from the literature. Some standardisation of both interventions and outcome measures is required to enable formal meta-analysis.

【 授权许可】

   
2015 Cadogan et al.

【 图 表 】

Fig. 1.

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