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Patient-centered clinical decisions and their impact on physician adherence to clinical guidelines
P A James1, T M Cowan, R P Graham
1Department of Family Medicine, State University of New York at Buffalo, USA. pjames@ubmedc.buffalo.edu
Insights
Patient concerns about finances, quality of life, and care location significantly impact physician adherence to heart failure guidelines. These factors challenge evidence-based practice, suggesting current quality measures need refinement.
Area of Science:
- Health Services Research
- Clinical Practice Guidelines
- Physician Decision-Making
Background:
- Primary care physicians' adherence to evidence-based guidelines is crucial for optimal patient outcomes.
- Patient-centered factors, often unmeasured, may influence adherence to clinical practice guidelines.
Purpose of the Study:
- To assess the impact of patient-centered factors on physician adherence to a heart failure clinical practice guideline.
- To investigate how patient financial concerns, quality of life, and care location influence physician decisions.
Main Methods:
- A cross-sectional survey design was employed, presenting hypothetical patient scenarios to family physicians.
- Three patient-centered factors (finances, quality of life, care location) were tested in experimental and control scenarios.
- Questionnaires were mailed to 978 physicians; responses were analyzed using chi-square tests.
Main Results:
- A 47% response rate was achieved (n=456).
- Each tested patient-centered factor significantly reduced predicted physician adherence to the heart failure guideline.
- Specific factors correlated with reduced pharmaceutical use, decreased left ventricular (LV) function testing, and altered discussions of advance directives and cardiology referrals.
Conclusions:
- Physician adherence to clinical practice guidelines is demonstrably influenced by patient-specific, often unmeasured, factors.
- Performance metrics assessing guideline adherence require cautious interpretation due to these patient-centered influences.
- Current methodologies for controlling patient case-mix may not sufficiently account for factors impacting healthcare quality.
Background:
This study was undertaken to assess the impact of traditionally unmeasured patient-centered factors on primary care physicians' decisions to adhere to an evidence-based clinical practice guideline for heart failure.
Methods:
Experimental and control scenarios were developed to test three patient-centered factors hypothesized to influence physician nonadherence to a heart failure guideline: patient concerns about finances, quality of life, and location of care. Each factor represented an implicit patient goal potentially in conflict with a goal of the guideline recommendations. A control scenario for one factor and an experimental scenario for a second were placed within a cross-sectional survey and questionnaires were mailed by random assignment to 978 Upstate New York family physicians. Experimental and control responses were compared by chi square.
Results:
The response rate was 47% (n = 456). Each hypothetical patient-centered factor resulted in significant reductions in physicians' predicted adherence. Reductions in reported pharmaceutical usage and testing of left ventricular (LV) function were associated with patient financial difficulties (P < .01). The poor quality-of-life scenario was associated with reduced testing for LV function but increased discussion of advance directives (P < .01). The clinical scenario limiting access to services for a rural patient was associated with decreases in physician choice of LV function tests and cardiology referrals (P < .05).
Conclusions:
Patient-specific factors are associated with physician decisions to comply with guideline recommendations. These findings suggest that performance profiles measuring physician adherence to guidelines should be interpreted with caution, and that current case-mix methodologies may not adequately control for patient-centered factors that may influence health care quality.