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This research assesses the effectiveness and safety of CQI and FMEA in preventing adverse events in hospitalized patients.

Effectiveness and Safety of Continuous Quality Improvement and Failure Mode and Effect Analysis for Preventing Adverse Events in Hospitalized Patients: A Systematic Review of Complex Interventions

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This research assesses the effectiveness and safety of CQI and FMEA in preventing adverse events in hospitalized patients.
Systematic review of randomized controlled trials, quasiexperiments, and time-series studies
Studies published in English, Portuguese, and Spanish were included
Evaluation of risk of bias and quality for different study designs
Narrative synthesis of results using the GRADE approach
Out of 20,433 titles, 59 studies were analyzed
83% of studies used CQI and 17% used FMEA
Most studies reported a reduction in adverse events, particularly related to catheters
93% of the intervened processes had very low evidence certainty for the outcomes

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This systematic review assesses interventions for reducing adverse events in hospitalized patients, indicating a cautious application in practice.

Villate-Soto et al. (2026) studied this question.

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This systematic review assesses interventions for reducing adverse events in hospitalized patients, indicating a cautious application in practice.