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Published on: December 6, 2016
Central sleep apnea in pediatric medulloblastoma: A case report
Ayush Sopori1, Sanjay Manchanda2, Anil Sachdev3
1Department of Pediatric Hematology Oncology, Sir Ganga Ram Hospital, New Delhi, India.
Insights
Central sleep apnea (CSA) is an overlooked cause of breathing problems in children with posterior fossa tumors. Continuous positive airway pressure (CPAP) therapy effectively treated severe CSA in a pediatric medulloblastoma patient.
Area of Science:
- Pediatric Oncology
- Neurology
- Sleep Medicine
Background:
- Posterior fossa tumors can cause significant respiratory morbidity in children.
- Central sleep apnea (CSA) is an underrecognized complication associated with these tumors.
- Respiratory failure and unexplained desaturations may be misattributed to other causes like seizures.
Purpose of the Study:
- To highlight central sleep apnea (CSA) as an underrecognized cause of respiratory morbidity in pediatric posterior fossa tumors.
- To demonstrate the therapeutic benefit of continuous positive airway pressure (CPAP) in managing CSA in this population.
Main Methods:
- Case report of a 3-year-old child with metastatic medulloblastoma.
- The patient experienced recurrent respiratory failure and unexplained desaturations.
- Polysomnography was performed due to persistent daytime somnolence and episodic apnea.
Main Results:
- Polysomnography revealed severe CSA (respiratory event index 68.3/hour; nadir SpO₂ 75%).
- CPAP therapy (5 cm H₂O) rapidly improved sleep architecture and reduced respiratory events (index 6.3/hour).
- CPAP stabilized oxygen saturation (~97%) and prevented further intensive care admissions; the patient remained stable on domiciliary CPAP.
Conclusions:
- Central sleep apnea (CSA) should be considered in pediatric patients with posterior fossa or brainstem-adjacent lesions presenting with unexplained respiratory events.
- Early recognition and management of CSA are crucial for multidisciplinary care and improved long-term outcomes.
- CPAP therapy offers a significant benefit for managing CSA in children with posterior fossa tumors.
Objective:
To report central sleep apnea (CSA) as an underrecognized cause of respiratory morbidity in pediatric posterior fossa tumors and highlight the benefit of CPAP.
Methods:
A 3-year-old child with metastatic medulloblastoma involving the fourth ventricle underwent resection, radiotherapy, and chemotherapy. The course was complicated by recurrent respiratory failure, multiple PICU admissions, and unexplained desaturations initially attributed to seizures. Persistent daytime somnolence and episodic apnea prompted polysomnography.
Results:
Polysomnography showed severe CSA (respiratory event index 68.3/hour; nadir SpO₂ 75%), unifying the prior hypoxic episodes. CPAP (5 cm H₂O) produced rapid improvement, with restored sleep architecture, fewer respiratory events (index 6.3/hour), stable saturation (~97%), and no further prolonged intensive care admissions. The patient completed oncologic therapy and remained stable on domiciliary CPAP.
Conclusion:
CSA should be considered in children with posterior fossa or brainstem-adjacent lesions presenting with unexplained respiratory events; recognition has important implications for multidisciplinary management and long-term outcomes.
