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. 2024 Jun 11;25(1):208.
doi: 10.1186/s12875-024-02459-5.

Determinants of and interventions for Proton Pump Inhibitor prescription behavior: A systematic scoping review

L C van Gestel  1 , M A Adriaanse  2   3 , S L Kanis  3 , S M Mensink-Bout  3 , J W Schoones  4 , M E Numans  3 , J C Kiefte-de Jong  3 , G van den Brink  3
Affiliations

Determinants of and interventions for Proton Pump Inhibitor prescription behavior: A systematic scoping review

L C van Gestel et al. BMC Prim Care. .

Abstract

Background: Proton Pump Inhibitors (PPI) are frequently prescribed. Long-term use is associated with side-effects and patients often lack a valid indication. Inappropriate PPI prescribing thus needs to be addressed. This review aims to scope 1) what determinants are studied as reasons for PPI prescribing, 2) what strategies are used for changing PPI (de)prescribing, and 3) whether important determinants are addressed in these interventions.

Methods: We searched eight databases for papers on determinants of physician PPI prescribing. Studies were included if they were conducted in a Western country and focused on oral PPIs for an adult population. By following the Behaviour Change Wheel, we extracted information regarding PPI prescribing behavior, behavioral determinants and intervention strategies.

Findings: We included 74 papers. Most focused on the determinants knowledge and beliefs about consequences. The latter was consistently related to PPI prescribing. Results for knowledge were mixed. Most interventions used education or enablement (e.g., algorithms, quality check improvements, involvement of pharmacists) as strategies. Enablement consistently improved PPI prescribing, while results for education were mixed.

Interpretation: There is an overemphasis on reflective processes in studies on PPI prescribing. Future research should comprehensively identify behavioral determinants, focusing on reflective and impulsive processes, such that interventions can address the most important determinants.

Keywords: Behavioral determinants; Behaviour Change Wheel; Prescribing behavior; Proton pump inhibitors.

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Conflict of interest statement

The authors declare no competing interests.

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