Overview
Dolichoectasia refers to the abnormal elongation and dilation of arteries, commonly affecting intracranial vessels such as the internal carotid artery and anterior cerebral artery. It can present with variable clinical symptoms ranging from asymptomatic to acute cerebrovascular events 12.Diagnosis
Imaging Techniques: Color Doppler ultrasound, magnetic resonance angiography (MRA), and cerebral angiography are crucial for visualizing arterial loops, kinking, and dilatation 12.
Specific Findings: Prominent serpentine structures with calcification and flow voids may indicate dolichoectasia 2.
Differential Diagnosis: Exclude conditions like arteriovenous malformations or fistulas through angiography 2.
Hemodynamic Assessment: Single photon emission computed tomography (SPECT) can reveal regional hypoperfusion 2.Management
Monitoring: Regular clinical follow-up to monitor for neurological changes 1.
Symptomatic Treatment: Address specific symptoms as they arise, such as managing hypoperfusion effects with SPECT findings 2.
No Specific Pharmacological Treatment: No specific drug classes or doses are mentioned for primary treatment 12.Special Populations
Pediatrics: Close clinical management is essential due to variable presentations and potential association with Ehlers-Danlos syndrome (EDS) requiring specific genetic testing 1.
Comorbidities: Consider EDS in pediatric patients with dolichoectasia for long-term prognostic implications 1.Key Recommendations
Conduct thorough imaging with MRA and cerebral angiography to confirm dolichoectasia and rule out other vascular anomalies (Evidence: Moderate 2).
Implement close clinical monitoring in pediatric patients, considering genetic testing for EDS due to potential long-term implications (Evidence: Moderate 1).
Manage symptomatic presentations based on individual patient needs, with no specific pharmacological treatment recommended (Evidence: Weak 12).References
1 Foiadelli T, Ippolito R, Corbetta R, Simoncelli AM, Amariti R, Licari A et al.. Clinical variability in children with dolichoarteriopathies of the internal carotid artery. Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2020. link
2 Kawahara I, Morofuji Y, Takahata H, Toda K, Tsutsumi K, Baba H et al.. Dolichoectasic anterior cerebral artery and hemodynamics. Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association 2012. link