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Impact of large scale, multicomponent intervention to reduce proton pump inhibitor overuse in integrated healthcare system: difference-in-difference study.


ABSTRACT:

Objective

To determine how a large scale, multicomponent, pharmacy based intervention to reduce proton pump inhibitor (PPI) overuse affected prescribing patterns, healthcare utilization, and clinical outcomes.

Design

Difference-in-difference study.

Setting

US Veterans Affairs Healthcare System, in which one regional network implemented the overuse intervention and all 17 others served as controls.

Participants

All individuals receiving primary care from 2009 to 2019.

Intervention

Limits on PPI refills for patients without a documented indication for long term use, voiding of PPI prescriptions not recently filled, facilitated electronic prescribing of H2 receptor antagonists, and education for patients and clinicians.

Main outcome measures

The primary outcome was the percentage of patients who filled a PPI prescription per 6 months. Secondary outcomes included percentage of days PPI gastroprotection was prescribed in patients at high risk for upper gastrointestinal bleeding, percentage of patients who filled either a PPI or H2 receptor antagonist prescription, hospital admission for acid peptic disease in older adults appropriate for PPI gastroprotection, primary care visits for an upper gastrointestinal diagnosis, upper endoscopies, and PPI associated clinical conditions.

Results

The number of patients analyzed per interval ranged from 192 607 to 250 349 in intervention sites and from 3 775 953 to 4 360 868 in control sites, with 26% of patients receiving PPIs before the intervention. The intervention was associated with an absolute reduction of 7.3% (95% confidence interval -7.6% to -7.0%) in patients who filled PPI prescriptions, an absolute reduction of 11.3% (-12.0% to -10.5%) in PPI use among patients appropriate for gastroprotection, and an absolute reduction of 5.72% (-6.08% to -5.36%) in patients who filled a PPI or H2 receptor antagonist prescription. No increases were seen in primary care visits for upper gastrointestinal diagnoses, upper endoscopies, or hospital admissions for acid peptic disease in older patients appropriate for gastroprotection. No clinically significant changes were seen in any PPI associated clinical conditions.

Conclusions

The multicomponent intervention was associated with reduced PPI use overall but also in patients appropriate for gastroprotection, with minimal evidence of either clinical benefits or harms.

SUBMITTER: Kurlander JE 

PROVIDER: S-EPMC11007585 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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Publications

Impact of large scale, multicomponent intervention to reduce proton pump inhibitor overuse in integrated healthcare system: difference-in-difference study.

Kurlander Jacob E JE   Laine Loren L   Kim Hyungjin Myra HM   Roberts Christopher B CB   Saffar Darcy D   Myers Aimee A   Holleman Robert R   Gao Yuqing Y   Shank Michelle M   Nelson Richard R   Forman Jane J   Helfrich Christian D CD   Krein Sarah L SL   Saini Sameer D SD   Yang Yu-Xiao YX  

BMJ (Clinical research ed.) 20240411


<h4>Objective</h4>To determine how a large scale, multicomponent, pharmacy based intervention to reduce proton pump inhibitor (PPI) overuse affected prescribing patterns, healthcare utilization, and clinical outcomes.<h4>Design</h4>Difference-in-difference study.<h4>Setting</h4>US Veterans Affairs Healthcare System, in which one regional network implemented the overuse intervention and all 17 others served as controls.<h4>Participants</h4>All individuals receiving primary care from 2009 to 2019.  ...[more]

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