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Ann Intern Med. 2016 Mar 1;164(5):323-30. doi: 10.7326/M14-2403. Epub 2016 Feb 2.

Medical Assistant-Based Care Management for High-Risk Patients in Small Primary Care Practices: A Cluster Randomized Clinical Trial.

Abstract

BACKGROUND:

Patients with multiple chronic conditions are at high risk for potentially avoidable hospitalizations, which may be reduced by care coordination and self-management support. Medical assistants are an increasingly available resource for patient care in primary care practices.

OBJECTIVE:

To determine whether protocol-based care management delivered by medical assistants improves care in patients at high risk for future hospitalization in primary care.

DESIGN:

Two-year cluster randomized clinical trial. (Current Controlled Trials: ISRCTN56104508).

SETTING:

115 primary care practices in Germany.

PATIENTS:

2076 patients with type 2 diabetes, chronic obstructive pulmonary disease, or chronic heart failure and a likelihood of hospitalization in the upper quartile of the population, as predicted by an analysis of insurance data.

INTERVENTION:

Protocol-based care management, including structured assessment, action planning, and monitoring delivered by medical assistants, compared with usual care.

MEASUREMENTS:

All-cause hospitalizations at 12 months (primary outcome) and quality-of-life scores (12-Item Short Form Health Survey [SF-12] and EuroQol instrument [EQ-5D]).

RESULTS:

Included patients had an average of 4 co-occurring chronic conditions. All-cause hospitalizations did not differ between groups at 12 months (risk ratio [RR], 1.01 [95% CI, 0.87 to 1.18]) and 24 months (RR, 0.98 [CI, 0.85 to 1.12]). Quality of life (differences, 1.16 [CI, 0.24 to 2.08] on SF-12 physical component and 1.68 [CI, 0.60 to 2.77] on SF-12 mental component) and general health (difference on EQ-5D, 0.03 [CI, 0.00 to 0.05]) improved significantly at 24 months. Intervention costs totaled $10 per patient per month.

LIMITATION:

Small number of primary care practices and low intensity of intervention.

CONCLUSION:

This low-intensity intervention did not reduce all-cause hospitalizations but showed positive effects on quality of life at reasonable costs in high-risk multimorbid patients.

PRIMARY FUNDING SOURCE:

AOK Baden-W├╝rttemberg and AOK Bundesverband.

Comment in

PMID:
26833209
DOI:
10.7326/M14-2403
[Indexed for MEDLINE]

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