• Robertson Charlene M T CMT Department of Pediatrics, Division of Developmental Pediatrics, University of Alberta, Edmonton, AB, Canada. , Karin T Bork, Gerda Tawfik, Gwen Y Bond, Leonora Hendson, Irina A Dinu, Khodayari Moez Elham E School of Public Health, University of Alberta, Edmonton, AB, Canada., Ivan M Rebeyka, Garcia Guerra Gonzalo G Department of Pediatrics, Division of Pediatric Critical Care, Stollery Children's Hospital and University of Alberta, Edmonton, AB, Canada., and Ari R Joffe.
• Department of Pediatrics, Division of Developmental Pediatrics, University of Alberta, Edmonton, AB, Canada.
• Pediatr Crit Care Me. 2019 Apr 1; 20 (4): 350-356.

ObjectiveTo reduce bilateral delayed-onset progressive sensory permanent hearing loss using a systems-wide quality improvement project with adherence to best practice for the administration of furosemide.DesignProspective cohort study with regular audiologic follow-up assessment of survivors both before and after a 2007-2008 quality improvement practice change.SettingThe referral center in Western Canada for complex cardiac surgery, with comprehensive multidisciplinary follow-up by the Complex Pediatric Therapies Follow-up Program.PatientsAll consecutive patients having single-ventricle palliative cardiac surgery at age 6 weeks old or younger.InterventionsA 2007-2008 quality improvement practice change consisted of a Parenteral Drug Monograph revision indicating slow IV administration of furosemide, an educational program, and an evaluation.Measurements And Main ResultsThe outcome measure was the prevalence of permanent hearing loss by 4 years old. Firth multiple logistic regression compared pre (1996-2008) to post (2008-2012) practice change occurrence of permanent hearing loss, adjusting for confounding variables, including all hospital days, extracorporeal membrane oxygenation, cardiopulmonary bypass time, age at first surgery, dialysis, and sepsis. From 1996 to 2012, 259 infants had single-ventricle palliative surgery at age 6 weeks old or younger, with 173 (64%) surviving to age 4 years. Of survivors, 106 (61%) were male, age at surgery was 11.6 days (9.0 d), and total hospitalization days by age 4 years were 64 (42); 18 (10%) had cardiopulmonary resuscitation and 38 (22%) had sepsis at any time. All 173 (100%) had 4-year follow-up. Pre- to postpractice change permanent hearing loss dropped from 17/100 (17%) to 0/73 (0%) of survivors. On Firth multiple logistic regression, the only variable statistically associated with permanent hearing loss was the pre- to postpractice change time period (odds ratio, 0.03; 95% CI, 0-0.35; p = 0.001).ConclusionsA practice change to ensure slow IV administration of furosemide eliminated permanent hearing loss. Centers caring for critically ill infants, particularly those with single-ventricle anatomy or hypoxia, should review their drug administration guidelines and adhere to best practice for administration of IV furosemide.

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