Evaluating Quality of Care for Patients with Asthma in the Readmission Penalty Era.

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Rationale: Asthma poses a significant burden for U.S. patients and health systems, yet inpatient care quality is understudied. National chronic obstructive lung disease (COPD) readmission policies may affect inpatient asthma care through hospital responses to these policies because of imprecise diagnosis and identification of patients with COPD and asthma. Objectives: Evaluate inpatient care quality for patients hospitalized with asthma and potential collateral effects of the Medicare COPD Hospital Readmissions Reduction Program (HRRP). Methods: This was a retrospective cohort study of patients aged 18-54 years hospitalized for asthma across 924 U.S. hospitals (Premier Healthcare Database). Results: Care quality for patients with asthma was evaluated before HRRP implementation (n = 20,820; January 2010-September 2014) and after HRRP implementation (n = 26,885; October 2014-December 2018) using adherence to inpatient care guidelines (recommended, nonrecommended, and "ideal care" [all recommended with no nonrecommended care]). Between 2010 and 2018, at least 80% of patients received recommended care annually. Recommended care decreased similarly (rate of 0.02%/mo) after versus before HRRP (P = 0.8). Nonrecommended care decreased more rapidly after HRRP (rate of 0.29%/mo) versus before HRRP (rate of 0.17%/mo; P < 0.001), with changes driven largely by decreased antibiotic prescribing. Ideal care increased more rapidly after HRRP (rate of 0.25%/mo) versus before HRRP (rate of 0.17%/mo; P = 0.02), with changes driven largely by nonrecommended care improvements. Conclusions: Post-HRRP trends suggest asthma care improved with increased rates of guideline concordance in nonrecommended and ideal care. Although federal policies (e.g., HRRP) may have had positive collateral effects, such as with asthma care, parallel care efforts, including antibiotic stewardship, likely contributed to these improvements.