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Published on: March 28, 2025
[Primary headaches in children with hydrocephalus who have a ventriculoperitoneal bypass valve]
A Palma-da Cunha Matta1, F J Carod-Artal
1Centro de Rehabilitación Infantil Evandro Carlos de Andrade, Río de Janeiro, Brazil.
Insights
In children with hydrocephalus and bypass valves, primary migraine is the most common cause of headaches. Secondary headaches due to intracranial hypertension are rare in this population.
Area of Science:
- Pediatric Neurology
- Neurosurgery
- Clinical Medicine
Context:
- Headache is a common complaint in children, often necessitating medical evaluation.
- Differentiating primary headaches from those secondary to increased intracranial pressure (ICP) in children with hydrocephalus and ventriculoperitoneal (VP) bypass valves can be challenging.
- Understanding headache etiology in this specific pediatric population is crucial for appropriate management.
Purpose:
- To classify the types of headaches experienced by children with hydrocephalus and a VP bypass valve.
- To determine the prevalence of primary versus secondary headaches in this cohort.
- To investigate the potential causes of headaches in children with treated hydrocephalus.
Summary:
- A longitudinal study followed 20 children with VP bypass valves for hydrocephalus who presented with recurrent headaches.
- Headache characteristics were assessed via questionnaire, with suspected intracranial hypertension prompting cerebral tomography.
- The majority of headaches were primary migraine-type (70%), followed by tension-type (10%). Secondary headaches occurred in 20% of cases, with only one attributed to intracranial hypertension.
Impact:
- This study highlights that primary migraine is the predominant headache type in children with hydrocephalus and VP bypass valves.
- The findings suggest that headaches in this population are infrequently caused by VP valve malfunction or increased intracranial pressure.
- Results aid clinicians in differentiating primary headaches from concerning secondary causes in pediatric hydrocephalus patients.
Introduction:
Headache, which is the clinical manifestation of intracranial hypertension, is also a clinical ailment in medical practice, as well as one of the main causes of visits in the paediatric age. Determining whether this symptom is secondary or not to a decompensation of the intracranial pressure in children with hydrocephalus is sometimes a challenging task. The aim of this study is to classify the headaches in a population of children with a ventriculoperitoneal bypass valve due to hydrocephalus.
Patients And Methods:
We conducted a study of a series of cases with a longitudinal follow-up. 20 children with a ventriculoperitoneal bypass valve owing to hydrocephalus were followed up over a mean period of eight months because they suffered from recurring headaches. All of them answered a questionnaire in order to define the characteristics of their headache. Those who were suspected of suffering from intracranial hypertension were submitted to a cerebral tomography study.
Results:
In all, we studied 20 patients (eight males and 12 females) with a mean age of 8.6 +/- 2.8 years. Hydrocephalus was secondary to abnormalities in the craniocervical transition and myelomeningocele in all cases. The aetiology of the headache was primary migraine-type headache (14 patients; 70%), and tension-type headache (two patients; 10%). Secondary headaches appeared in four patients (20%) due to acute sinusitis, refraction errors and systemic infection; only one patient had headache due to intracranial hypertension.
Conclusions:
Migraine predominates as the primary headache in children with bypass valves--a phenomenon that can be explained by its high prevalence in the paediatric population.
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