The American journal of emergency medicine · 2025
Reevaluating bicarbonate therapy in pediatric DKA: A propensity score-matched analysis of neurological and respiratory outcomes.
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Patel Milan, Afifi Ahmed M, Hercher Rhonda L, Moussa Mohamad
Аннотация
BACKGROUND: Diabetic ketoacidosis (DKA) is a serious and potentially life-threatening complication of diabetes mellitus, responsible for up to 40 % of diabetes-related morbidity and mortality. Despite its use in severe cases of pediatric DKA, bicarbonate therapy remains controversial due to potential associations with adverse outcomes such as cerebral edema.
OBJECTIVES: Prior studies evaluating bicarbonate therapy in pediatric DKA have been limited by confounding variables, small sample sizes, and short follow-up periods. This study aims to evaluate the association between bicarbonate therapy and adverse outcomes using a large clinical dataset, extended follow-up, and propensity score (PS) matching to control for baseline differences.
METHODS: We conducted a retrospective cohort study using TriNetX, a global research network of deidentified electronic health records. Pediatric DKA patients (<12 years) were stratified by bicarbonate therapy status and matched using PS to reduce confounders. Risk analysis was conducted to assess clinical outcomes.
RESULTS: After PS matching, each cohort included 211 patients. No significant difference in cerebral edema was observed between groups (RD = 0.002; 95 % CI: -0.039 to 0.044; p = 0.911). However, bicarbonate use was associated with higher risks of coma (RD = 0.047; p = 0.001), pulmonary edema (RD = 0.048; p = 0.001), and acute respiratory failure (RD = 0.071; p = 0.008).
CONCLUSION: Although bicarbonate therapy was not linked to increased cerebral edema, it was associated with significant respiratory and neurologic complications. These findings suggest that clinicians should use bicarbonate cautiously and that current treatment guidelines may warrant reevaluation.
OBJECTIVES: Prior studies evaluating bicarbonate therapy in pediatric DKA have been limited by confounding variables, small sample sizes, and short follow-up periods. This study aims to evaluate the association between bicarbonate therapy and adverse outcomes using a large clinical dataset, extended follow-up, and propensity score (PS) matching to control for baseline differences.
METHODS: We conducted a retrospective cohort study using TriNetX, a global research network of deidentified electronic health records. Pediatric DKA patients (<12 years) were stratified by bicarbonate therapy status and matched using PS to reduce confounders. Risk analysis was conducted to assess clinical outcomes.
RESULTS: After PS matching, each cohort included 211 patients. No significant difference in cerebral edema was observed between groups (RD = 0.002; 95 % CI: -0.039 to 0.044; p = 0.911). However, bicarbonate use was associated with higher risks of coma (RD = 0.047; p = 0.001), pulmonary edema (RD = 0.048; p = 0.001), and acute respiratory failure (RD = 0.071; p = 0.008).
CONCLUSION: Although bicarbonate therapy was not linked to increased cerebral edema, it was associated with significant respiratory and neurologic complications. These findings suggest that clinicians should use bicarbonate cautiously and that current treatment guidelines may warrant reevaluation.