BMC reduced audible alarms as a way to combat alarm fatigue, improve patient safety

Published on January 16, 2014 at 4:47 AM · No Comments

Boston Medical Center (BMC) successfully reduced audible alarms as a way to combat alarm fatigue and improve patient safety. The hospital, one of two in the country that spearheaded this issue, implemented a novel cost-effective approach during a six-week pilot program that resulted in a drastic drop in audible alarms. The successful approach has since been expanded to all BMC inpatient medical surgical units and is being touted as a model for other hospitals working to combat alarm fatigue.

Clinical alarm fatigue describes when providers become desensitized to the constant beeps from monitors that could result in a failure to respond (or failure to respond quickly enough) to alarms indicative of a potential life-threatening condition. A recent JAMA article warned of alarm fatigue from the number of monitor alarms sounding, creating a potential hazard to patients.

The Joint Commission, a nonprofit organization that accredits more than 20,000 health care organizations and programs in the United States, issued a Sentinel Event Alert about 80 alarm-related deaths that occurred between January 2009-June 2012 and identified alarm safety as a 2014 national patient safety goal. BMC's innovative alarm work was featured in a May 2013 Joint Commission webinar that attracted thousands of participants nationwide and served as an example to urge hospitals to develop and implement plans to better manage alarms to increase patient safety.

"Alarm fatigue and management of alarms are important safety issues that we must confront," says Ana McKee, M.D., executive vice president and chief medical officer, The Joint Commission. "The work of Boston Medical Center and numerous others who are trying to find solutions to this very serious patient safety issue should be applauded. By making alarm safety a priority, lives can be saved."

BMC data showed that patient status arrhythmia and parameter limit "warning" alarms frequently preceded life-threatening arrhythmic events. During the pilot, these alarms were raised to "crisis." "Crisis" alarms are heard in real time and require immediate action, which nurses felt could increase patient safety. Nurses also tailored alarm settings that did not indicate a true crisis based on individual patient health care needs.

Working in a cardiology unit, BMC reduced audible cardiac monitor and telemetry alarms by 89 percent, dropping daily audible alarm averages from 12,546 to 1,424. Before the pilot, the unit averaged 87,823 weekly audible alarms. During the pilot, the number dropped significantly to an average of 9,967 weekly audible alarms, with the largest decrease from the changes to monitors for bradycardia, tachycardia and heart rate parameter limits, which dropped from 62,793 to 3,970. Additionally, daily reviews of incident reports showed that no reports were filed during the pilot for adverse events involving cardiac monitoring.

Noise levels fell to 72 decibels from 90 decibels pre-pilot. Patient and clinician satisfaction increased and none of the changes made during the pilot required additional technology or financial resources.

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