Comprehensive review with pooled analysis on external and internal jugular vein aneurysm.

The aim of the present comprehensive review was to present an overview of the clinical presentation and treatment options for external (EJVAs) and internal jugular vein aneurysms (IJVAs) to help clinicians in evidence-based decision making. A systematic literature search was conducted in accordance with the PRISMA (preferred reporting items for systematic reviews and meta-analyses) statement and included MEDLINE, Embase, Cochrane Library, Scopus, WHO (World Health Organization) trial register, ClinicalTrials.gov, and the LIVIVO search portal. The inclusion criteria were studies of patients who had presented with IJVAs or EJVAs. The exclusion criteria were animal and cadaver studies and reports on interventions using the healthy jugular vein for access only (ie, catheterization). Analysis of the pooled data from all eligible case reports was performed. From 1840 identified reports, 196 studies were eligible. A total of 256 patients with JVAs were reported, with 183 IJVAs and 73 EJVAs. IJVAs were reported to occur in 66% on the right side compared with the left side (P = .011). The patients with IJVAs were mostly children (median age, 12 years; interquartile range, 5.8-45.2 years). The patients with EJVAs were young adults (median age, 30 years; interquartile range, 11.0-46.5 years). EJVAs were more frequently reported in women and IJVAs in men (P = .008). Most of the patients were asymptomatic. Pulmonary embolization in association with thrombosed EJVAs was only reported for one patient. A report of the outcomes after surgery and conservative management was missing for ∼50% of the patients. No relevant complications were reported after ligation of the EJVA without reconstruction. Intracranial hypertension after ligation of the right-sided IJVA was reported in three children; in one of them, a pontine infarction was observed. JVAs are a disease of the younger population but can occur at any age. It seems to be safe to observe patients with nonthrombosed JVAs. However, in the presence of thrombus or pulmonary embolization, surgical treatment should be considered. A reconstruction technique of the IJVA with venous patency preservation should be preferred.

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