Overview
Congenital pseudobulbar palsy, exemplified by Worster-Drought syndrome, involves congenital dysarthria, dysphagia, and pseudobulbar symptoms without structural brain abnormalities 1. It presents significant diagnostic challenges particularly in preterm infants due to overlapping prematurity symptoms 1.Diagnosis
Key Criteria: Absence of sucking reflex, persistent dysphagia, obstructed breathing, and muscle rigidity post-birth 1.
Recommended Tests: Neuroimaging to rule out structural abnormalities around the Sylvian fissure 1.
Timing: Suspect diagnosis if symptoms persist beyond postconceptional age (PCA) of 40 weeks 1.Management
First-Line: Supportive care including respiratory support and feeding assistance tailored to individual needs 1.
Adjunctive: No specific pharmacological treatments mentioned; focus on symptomatic management 1.Special Populations
Pediatrics: Diagnosis and management particularly challenging in preterm infants; gradual symptomatic improvement can occur in early infancy 1.Key Recommendations
Suspect Worster-Drought syndrome in preterm infants with persistent bulbar palsy symptoms beyond PCA 40 weeks, including absent sucking reflex and dysphagia (Evidence: Moderate 1).
Utilize neuroimaging to exclude structural brain abnormalities in the diagnostic workup (Evidence: Moderate 1).
Provide symptomatic and supportive care, adjusting for individual needs such as respiratory and feeding support (Evidence: Expert opinion 1).References
1 Inoue K, Nakamura S, Koyano K, Kusaka T. Worster-Drought syndrome with progressive symptomatic improvement in early infancy. BMJ case reports 2025. link