Understanding physicians’ behavior toward alerts about nephrotoxic medications in outpatients: a cross-sectional analysis

BMC Nephrology

David W Bates³  Patricia C Dykes⁴  Nivethietha Maniam³  Diane L Seger³  Karen C Nanji¹  Sarah P Slight²  Insook Cho⁴ 

[1] Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA;Division of Primary Care, University of Nottingham, Nottingham, UK;Partners Healthcare Systems, Inc., Wellesley, MA, USA;Harvard Medical School, Boston, MA, USA

关键词: Chronic kidney disease;    Drug prescribing;    Renal insufficiency;    Clinical decision support system;    Medication safety;   

Others  :  1083480
DOI  :  10.1186/1471-2369-15-200

 received in 2014-07-01, accepted in 2014-12-11,  发布年份 2014

【 摘 要 】

Background

Although most outpatients are relatively healthy, many have chronic renal insufficiency, and high override rates for suggestions on renal dosing have been observed. To better understand the override of renal dosing alerts in an outpatient setting, we conducted a study to evaluate which patients were more frequently prescribed contraindicated medications, to assess providers’ responses to suggestions, and to examine the drugs involved and the reasons for overrides.

Methods

We obtained data on renal alert overrides and the coded reasons for overrides cited by providers at the time of prescription from outpatient clinics and ambulatory hospital-based practices at a large academic health care center over a period of 3 years, from January 2009 to December 2011. For detailed chart review, a group of 6 trained clinicians developed the appropriateness criteria with excellent inter-rater reliability (κ = 0.93). We stratified providers by override frequency and then drew samples from the high- and low-frequency groups. We measured the rate of total overrides, rate of appropriate overrides, medications overridden, and the reason(s) for override.

Results

A total of 4120 renal alerts were triggered by 584 prescribers in the study period, among which 78.2% (3,221) were overridden. Almost half of the alerts were triggered by 40 providers and one-third was triggered by high-frequency overriders. The appropriateness rates were fairly similar, at 28.4% and 31.6% for high- and low-frequency overriders, respectively. Metformin, glyburide, hydrochlorothiazide, and nitrofurantoin were the most common drugs overridden. Physicians’ appropriateness rates were higher than the rates for nurse practitioners (32.9% vs. 22.1%). Physicians with low frequency override rates had higher levels of appropriateness for metformin than the high frequency overriders (P = 0.005).

Conclusion

A small number of providers accounted for a large fraction of overrides, as was the case with a small number of drugs. These data suggest that a focused intervention targeting primarily these providers and medications has the potential to improve medication safety.

【 授权许可】

   
2014 Cho et al.; licensee BioMed Central.

【 图 表 】

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