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Roseville Protocol for the Management of Febrile Infants 7-60 Days
Tran H P Nguyen1, Beverly R Young2, Laura E Poggel2
1Department of Hospital Pediatrics, Kaiser Permanente Northern California, Roseville, California; tran.h.nguyen@kp.org.
Insights
The Roseville Protocol offers comparable accuracy to other methods for detecting invasive bacterial infection (IBI) in febrile infants. It reduces invasive procedures and hospitalizations for infants aged 29-60 days.
Area of Science:
- Pediatrics
- Infectious Diseases
- Clinical Medicine
Background:
- Febrile infants require careful evaluation for invasive bacterial infection (IBI).
- Existing protocols like Rochester, Philadelphia, and Boston guide the management of fever in infants.
- The Roseville Protocol is a modification of the Rochester Protocol with updated criteria.
Purpose of the Study:
- To define the test characteristics of the Roseville Protocol for detecting IBI in febrile infants aged 7 to 60 days.
- To retrospectively compare the performance of the Roseville Protocol against the Rochester, Philadelphia, and Boston protocols.
- To evaluate the impact of the Roseville Protocol on lumbar puncture (LP) rates, admissions, and antibiotic use.
Main Methods:
- Retrospective study of infants aged 7 to 60 days with fever from 2007 to 2016.
- Application of four protocols (Roseville, Rochester, Philadelphia, Boston) to a cohort of 1803 infants.
- Calculation of sensitivity, specificity, and comparison of recommended procedures (LPs, admissions, parenteral antibiotics).
Main Results:
- For infants 7-28 days old, the Roseville Protocol showed 96.7% sensitivity and 99.5% negative predictive value, identifying 2 IBIs missed by the Rochester Protocol but increasing LPs and admissions by 19%.
- For infants 29-60 days old, sensitivity was 91.4% and negative predictive value was 99.6%.
- The Roseville Protocol significantly reduced LPs (18-100%) and admissions (18-51%) compared to other protocols in infants 29-60 days old.
Conclusions:
- The Roseville Protocol demonstrates comparable sensitivity and specificity to existing protocols for IBI detection in febrile infants (7-60 days).
- It offers a significant reduction in invasive procedures and hospitalizations for infants aged 29 to 60 days.
- The protocol provides a viable alternative for managing febrile infants, balancing diagnostic accuracy with reduced intervention.
Objectives:
The Roseville Protocol modifies the Rochester Protocol by adding a high-risk temperature criterion of >38.5°C for infants 7 to 28 days old and by allowing febrile infants 29 to 60 days old with abnormal urinalysis but reassuring complete blood cell counts to be discharged home on oral antibiotics without receiving a lumbar puncture (LP). In this study, we define the Roseville Protocol test characteristics to detect invasive bacterial infection (IBI) and retrospectively compare its performance to that of the Rochester, Philadelphia, and Boston protocols.
Methods:
In this retrospective study, we examine all cases of fever in infants aged 7 to 60 days presenting to a large health maintenance organization from 2007 to 2016 and having requisite laboratory tests for protocol analysis. The 4 protocols were retrospectively applied to this cohort to calculate each protocol's sensitivity and specificity to detect IBI. Protocols were compared regarding recommended LPs, admissions, and parenteral antibiotics.
Results:
In 627 infants 7 to 28 days old, the Roseville Protocol had a sensitivity of 96.7% and a negative predictive value of 99.5%. It identified 2 IBIs missed by the Rochester Protocol but recommended an absolute increase of 19% in LPs and admissions. In 1176 infants 29 to 60 days old, the Roseville Protocol had a sensitivity of 91.4% and a negative predictive value of 99.6%. There was an absolute reduction in LPs by 18% to 44% compared to the Rochester Protocol and by 74% to 100% compared to the Philadelphia and Boston protocols. There was an absolute reduction in admissions by 18% to 44% compared to the Rochester Protocol, by 25% to 51% compared to the Philadelphia Protocol, and by 10% to 36% compared to the Boston Protocol.
Conclusions:
The Roseville Protocol has sensitivity and specificity comparable to that of existing protocols for IBI in febrile infants 7 to 60 days old, while allowing for fewer invasive procedures and hospitalizations in infants ≥29 days old.
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