Child's Nervous System

, Volume 34, Issue 9, pp 1697–1704 | Cite as

Pediatric intracranial aneurysms: changes from previous studies

  • Ruiqi Chen
  • Si Zhang
  • Chao You
  • Rui Guo
  • Lu MaEmail author
Original Paper



To develop a better understanding of pediatric intracranial aneurysms (PIAs).


All PIAs treated in our center from January 2012 to April 2017 were retrospectively included. Clinical data, treatment summaries, and follow-up outcomes were retrieved and analyzed.


A total of 66 PIAs were found in 64 patients with a mean age of 11.4 ± 5.7 years, 68.8% of whom were male. The most common symptoms were seizure (n = 7, 63.6%) for the 0–5 age group and headache (n = 38, 71.7%) for the 6–18 age group. Fifty-one PIAs (77.3%) were located in the anterior circulation, with the middle cerebral artery (MCA) being the most common site (n = 28, 42.4%). Fifteen patients (23.4%) had PIAs that were pseudoaneurysms, and nine of them (60%) had a combined history of head trauma. Thirty-five patients (54.7%) had distal arterial aneurysms, and 21 of them (60%) presented with seizure. During a mean follow-up time of 1.6 ± 1.2 years, 79.7% of patients (n = 51) had favorable outcomes, 5 patients (7.8%) died, and the remaining 8 patients (12.5%) had unfavorable outcomes with severe neurological deficits.


Apart from characteristics consistent with previous studies, several new findings regarding PIAs were reported, including a difference in the most common symptoms in different age groups, the MCA as the predominant location of PIAs, the high ratio of pseudoaneurysms and their head trauma etiology, and the incidence of distal arterial aneurysms and their relationship with the risk of seizures.


Pediatric patients Intracranial aneurysms Pseudoaneurysms Distal arterial aneurysms 





This study was funded by the Fundamental Research Funds for the Central Universities (2012017yjsy200).

Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

Ethical approval

For this type of study, formal consent is not required.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Neurosurgery, West China HospitalSichuan UniversityChengduPeople’s Republic of China

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