Sustained colonoscopy quality improvement using a simple intervention bundle

Abstract

Background Unacceptable variation in colonoscopy quality exists. The Quality Improvement in Colonoscopy (QIC) study in 2011 improved quality by introducing an evidence-based “bundle” of measures into routine colonoscopy practice. The QIC bundle included: minimal cecal withdrawal time of ≥ 6 minutes; hyoscine butylbromide use; supine patient position for transverse colon examination; rectal retroflexion. Colonoscopy quality was measured by adenoma detection rate (ADR). The current study measured whether these effects led to a sustained change in practice 3 years following implementation.

Methods This observational study collected data from eight hospital trusts (sites) in the United Kingdom for a 6-month period, 3 years following QIC bundle implementation. Use of the antispasmodic, hyoscine butylbromide, was measured as a marker of bundle uptake. Bundle effectiveness was measured by ADR change. Comparisons were made between data before and immediately after implementation of the bundle.

Results 28 615 colonoscopies by 188 colonoscopists were studied. Hyoscine butylbromide use increased from 15.8 % pre-implementation to 47.4 % in the sustainability phase (P < 0.01) indicating sustained engagement with QIC measures. ADR was higher in the sustainability period compared with pre-intervention, but only reached statistical significance among the poorest-performing colonoscopists.

Conclusions The introduction of a simple, inexpensive, pragmatic intervention significantly changed practice over a sustained period, improving colonoscopy quality as measured by ADR, particularly in poorer performers. QIC demonstrates that an easy-to-implement quality improvement approach can deliver a sustained change in practice for many years post intervention.

• References

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