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Aqueduct stenosis--presentation and prognosis
I J Robertson1, J R Leggate, J D Miller
1Department of Clinical Neurosciences, Western General Hospital, University of Edinburgh, Scotland.
Insights
This study analyzed 36 patients with aqueduct stenosis, finding that older patients experienced more chronic symptoms and surgical complications compared to infants. Early diagnosis and treatment in infants led to better outcomes.
Area of Science:
- Neurosurgery
- Pediatric Neurology
- Radiology
Background:
- Aqueduct stenosis is a cause of hydrocephalus.
- CT scanning availability improved diagnosis.
- Benign, non-tumour related aqueduct stenosis presents distinct challenges.
Purpose of the Study:
- To analyze the clinical presentation and outcomes of aqueduct stenosis.
- To compare outcomes between infantile and adult-onset cases.
- To evaluate the complications associated with surgical treatment.
Main Methods:
- Retrospective review of 36 patients with aqueduct stenosis from 1974-1987.
- Categorization of patients based on age at presentation (infants vs. older patients).
- Analysis of diagnostic methods, treatment interventions (ventricular peritoneal shunt), and complications.
Main Results:
- Two distinct groups emerged: 9 infants diagnosed in the first year and 27 older patients (7-72 years).
- Infants presented acutely with secure diagnoses and fewer complications from shunts.
- Older patients had chronic initial presentations, with 5 requiring diagnostic changes; over half experienced recurrent symptoms and significant surgical complications, including one fatality from intraventricular hemorrhage.
Conclusions:
- Age at presentation significantly impacts the clinical course and management of aqueduct stenosis.
- Infantile aqueduct stenosis is generally associated with better outcomes than adult-onset cases.
- Surgical intervention for aqueduct stenosis in older patients carries a higher risk of complications.
Abstract:
In the 14-year period from 1974-1987 during which CT scanning was available in Edinburgh, 36 patients with benign, non-tumour related aqueduct stenosis were identified from a group of 342 patients with hydrocephalus. In terms of age at presentation, the patients separate into two groups, 9 cases diagnosed during the first year of life and 27 patients aged from 7 to 72 years. The presentation in the early cases was fairly acute, the diagnosis was secure and the operative treatment by ventricular peritoneal shunt was relatively free of complications. In the older patients, the first presentation was more chronic, and further investigation required a change of diagnosis in 5 of the 27 patients. More than half of the patients had recurrent symptoms which were much more acute and operative treatment was attended by a significant number of complications including death from intraventricular haemorrhage in one case.