Protocol Based Standardized Endocrinological Evaluation of Children With Traumatic Brain Injury: A QI Initiative

Introduction: Traumatic brain injury (TBI) can disrupt the hypothalamo-pituitary axis, causing central neuroendocrine dysfunction and hormone abnormalities (HPAD). As one-third of children can develop post-traumatic HPAD, a longitudinal and thorough follow up may be required to exclude the transient or late-onset HPAD. Objective: To implement a protocol for standardized evaluation of children with TBI for the diagnosis of HPAD and to effectively establish a regular inpatient endocrine consultation and outpatient longitudinal follow up. Method: The study was divided into pre-QI (baseline phase) and QI phase (post-intervention phase). During the pre-QI phase, retrospective data were collected on children admitted with TBI at our institution for 1 year. The prevalence of HPAD and the percentage of children longitudinally followed in endocrine clinic were estimated. A consensus-based guidance protocol, detailing clinical and hormonal assay-based evaluation at presentation and during the follow up were formulated and implemented. Prospective data collection will be performed to estimate outcome measures (prevalence of HPAD, rate of initial endocrine consultation and endocrine outpatient follow up) and process measure (protocol adherence rate). Result: During the baseline phase (pre-QI), a total of 27 children, aged ≤19 years were admitted in the year for TBI management. The median (IQR) age at TBI diagnosis was 9 (3, 15) years. Motor vehicle accident was the predominant cause, accounting for 60%. In 85% of patients, the TBI was classified as severe based on GCS. Overall, only 8 children (30%) underwent limited (non-consultation based) endocrine evaluation (7 for central DI and 1 for central hypothyroidism) and 1 patient had complete evaluation (endocrinologist consulted). During the baseline period, the prevalence rate of transient central DI was diagnosed in 1 patient (4%). Implementation of protocol and post-intervention data collection are pending. Conclusion: The lower prevalence rate of HPAD in the current cohort of TBI patients may be due to under evaluation for endocrine dysfunction. QI initiative incorporating standardized evaluation using guiadance protocol will improve identification follow up rates of patients with endocrine dysfunction following TBI.