Does the impact of case management vary in different subgroups of multimorbidity Secondary analysis of a quasi-experimentReportar como inadecuado




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BMC Health Services Research

, 17:521

Organization, structure and delivery of healthcareKeywordsMultimorbidity Case management Integrated care AbbreviationsAandEAccident and emergency

ACSCsadmissions for ambulatory care sensitive conditions

CCGClinical Commissioning Group

COPDChronic Obstructive Pulmonary Disease

DDDifference-in-differences

DDDDifference-in-difference-in-differences

IMDIndex of multiple deprivation

LOSLength of stay

MDTMultidisciplinary team

PICTPractice integrated care teams

QOFQuality and outcomes framework

Electronic supplementary materialThe online version of this article doi:10.1186-s12913-017-2475-x contains supplementary material, which is available to authorized users.

Abstract

BackgroundHealth systems must transition from catering primarily to acute conditions, to meet the increasing burden of chronic disease and multimorbidity. Case management is a popular method of integrating care, seeking to accomplish this goal. However, the intervention has shown limited effectiveness. We explore whether the effects of case management vary in patients with different types of multimorbidity.

MethodsWe extended a previously published quasi-experiment difference-in-differences analysis with 2049 propensity matched case management intervention patients, adding an additional interaction term to determine subgroup effects difference-in-difference-in-differences by different conceptualisations of multimorbidity: 1 Mental-physical comorbidity versus others; 2 3+ chronic conditions versus <3; 3 Discordant versus concordant conditions; 4 Cardiovascular-metabolic cluster conditions only versus others; 5 Mental health-associated cluster conditions only versus others; 6 Musculoskeletal disorder cluster conditions only versus others 7 Charlson index >5 versus others. Outcome measures included a variety of secondary care utilisation and cost measures.

ResultsThe majority of conceptualisations suggested little to no difference in effect between subgroups. Where results were significant, the vast majority of effect sizes identified in either direction were very small. The trend across the majority of the results appeared to show very slight increases of admissions with treatment for the most complex patients highest risk. The exceptions to this, patients with a Charlson index >5 may benefit slightly more from case management with decreased ACSC admissions effect size ES: −0.06 and inpatient re-admissions 30 days, ES: −0.05, and patients with only cardiovascular-metabolic cluster conditions may benefit slightly more with decreased inpatient non-elective admissions ES: −0.12.

Only the three significant estimates for the musculoskeletal disorder cluster met the minimum requirement for at least a ‘small’ effect. Two of these estimates in particular were very large. This cluster represented only 0.5% of the total patients analysed, however, so is hugely vulnerable to the effects of outliers, and makes us very cautious of interpreting these as ‘real’ effects.

ConclusionsOur results indicate no appropriate multimorbidity subgroup at which to target the case management intervention in terms of secondary care utilisation-cost outcomes. The most complex, highest risk patients may legitimately require hospitalisation, and the intensified management may better identify these unmet needs. End of life patients e.g. Charlson index >5-those with only conditions particularly amenable to primary care management e.g. cardiovascular-metabolic cluster conditions may benefit very slightly more than others.

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Autor: Jonathan Stokes - Søren Rud Kristensen - Kath Checkland - Sudeh Cheraghi-Sohi - Peter Bower

Fuente: https://link.springer.com/



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