• Terry S Field, Jennifer Tjia, Kathleen M Mazor, Jennifer L Donovan, Abir O Kanaan, Leslie R Harrold, George Reed, Peter Doherty, Ann Spenard, and Jerry H Gurwitz.
• Meyers Primary Care Institute, University of Massachusetts Medical School, Fallon Community Health Plan, Fallon Clinic, Worcester, USA. terry.field@umassmed.edu
• Am. J. Med. 2011 Feb 1; 124 (2): 179.e1179.e1797179.e1-7.

BackgroundMore than 1.6 million Americans currently reside in nursing homes. As many as 12% of them receive long-term anticoagulant therapy with warfarin. Prior research has demonstrated compelling evidence of safety problems with warfarin therapy in this setting, often associated with suboptimal communication between nursing home staff and prescribing physicians.MethodsWe conducted a randomized trial of a warfarin management protocol using facilitated telephone communication between nurses and physicians in 26 nursing homes in Connecticut in 2007-2008. Intervention facilities received a warfarin management communication protocol using the approach "Situation, Background, Assessment, and Recommendation" (SBAR). The protocol included an SBAR template to standardize telephone communication about residents on warfarin by requiring information about the situation triggering the call, the background, the nurse's assessment, and recommendations.ResultsThere were 435 residents who received warfarin therapy during the study period for 55,167 resident days in the intervention homes and 53,601 in control homes. In intervention homes, residents' international normalized ratio (INR) values were in the therapeutic range a statistically significant 4.50% more time than in control homes (95% confidence interval [CI], 0.31%-8.69%). There was no difference in obtaining a follow-up INR within 3 days after an INR value ≥4.5 (odds ratio 1.02; 95% CI, 0.44-2.4). Rates of preventable adverse warfarin-related events were lower in intervention homes, although this result was not statistically significant: the incident rate ratio for any preventable adverse warfarin-related event was .87 (95% CI, .54-1.4).ConclusionFacilitated telephone communication between nurses and physicians using the SBAR approach modestly improves the quality of warfarin management for nursing home residents.Copyright © 2011 Elsevier Inc. All rights reserved.

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