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Joubert syndrome: clinical and polygraphic observations in a further case
Insights
Joubert syndrome, a rare genetic disorder, typically presents with episodic tachypnea. This case report details a patient with Joubert syndrome experiencing tachypnea during both awake states and non-REM sleep.
Area of Science:
- Neurology
- Genetics
- Pediatrics
Background:
- Joubert syndrome is a rare autosomal recessive genetic disorder characterized by a distinctive brainstem malformation, the molar tooth sign.
- Clinical manifestations often include motor delays, abnormal eye movements, and episodic respiratory disturbances.
Observation:
- This report details a female patient with Joubert syndrome, born to consanguineous parents, who is a sibling of a previously reported case.
- The patient exhibited the hallmark episodic tachypnea in an awake state.
- Additionally, the patient experienced tachypnea episodes exclusively during non-REM sleep.
Findings:
- The study documents clinical, radiological (CT scan), and polygraphic findings in an additional patient with Joubert syndrome.
- The observed tachypnea during non-REM sleep represents an unusual presentation not commonly reported in the literature.
- This expands the known spectrum of respiratory abnormalities associated with Joubert syndrome.
Implications:
- This case highlights the importance of polysomnography in evaluating respiratory patterns in Joubert syndrome patients.
- Understanding the specific sleep-related respiratory disturbances can aid in more accurate diagnosis and management.
- Further research into the neurophysiological basis of sleep-related tachypnea in Joubert syndrome is warranted.
Abstract:
To our knowledge, only 10 cases of Joubert syndrome have been published so far. In this paper, we describe the clinical, radiological (computerized tomography) and polygraphic findings in an additional patient. The female presented here is the product of consanguineous parents and a sibling of a previously reported infant. In addition to the well-known episodic tachypnea in an awake state, representing the clinical hallmark of this syndrome, this child also had bouts of tachypnea while asleep. Interestingly enough, these were confined only to non-REM sleep.