From the Journals

Interventions significantly improve NICU immunization rates


 

FROM PEDIATRICS

Up-to-date vaccination rates rose significantly in a neonatal ICU after implementation of five interventions targeting root causes of low immunization, according to a study in Pediatrics.

A close-up of medical syringe with a vaccine. MarianVejcik/Getty Images

Investigators led by Raymond C. Stetson, MD, of the Mayo Clinic in Rochester, Minn., identified three root causes of underimmunization in a NICU at Mayo Clinic: providers’ lack of knowledge about recommended immunization schedules; immunizations not being ordered when they were due; and parental hesitancy toward vaccination. They addressed these causes with the following five phases of intervention: an intranet resource educating providers about vaccine schedules and dosing intervals; a spreadsheet-based checklist to track and flag immunization status; an intranet resource aimed at discussion with vaccine-hesitant parents; education about safety in providing immunization and review of material from the first three interventions; and education about documentation, including parental consent.

Over the project period, 1,242 infants were discharged or transferred from the NICU. The study included a 6-month “improve phase,” during which interventions were implemented, and a “control phase,” during which the ongoing effects after implementation were observed. At baseline, the rate of fully immunized infants in the NICU was only 56% by time of discharge or transfer, but during the combined improve and control phases, it was 93% with a P value of less than .001.

One of the limitations of the study is that the first three interventions were introduced simultaneously, which makes it hard to determine how much effect each might have had.

“Infants treated in NICUs represent a vulnerable population with the potential for high morbidity and mortality from vaccine-preventable infections,” the investigators wrote. “Our [quality improvement] effort, and others, demonstrate that this population is at risk for underimmunization and that immunization rates can be improved with a small number of interventions. Additionally, we were able to significantly decrease the number of days that immunizations were delayed compared to the routine infant vaccination schedule.”

There was no external funding for the study. One of the coauthors is on safety committees of vaccine studies for Merck. The other authors have no relevant financial disclosures.

SOURCE: Stetson R et al. Pediatr. 2019. doi: 10.1542/peds.2019-0337.

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