Jorjani Biomedicine Journal

Background & objective: But its etiology is unknown. Based on deficiency of epidemiological studies, this study Family and genetic factors are effective on incidence of external hydrocephalus aimed to determine the demographic features of children with external hydrocephalus.

Methods: Referred to Taleghani tertiary hospital during 2009-2011 were assessed. Inclusion criteria In this retrospective descriptive study (2011), all records of children with external hydrocephalus was definite diagnosis of external hydrocephalus. Checklist was used for data collection. All data were entered to SPSS software (version 16) and were described by descriptive statistics.

Results: (48.8%), 32 cases born by cesarean section (78%), 31 cases (75.6%) with no consanguineous marriage of parents, 38 cases (92.7%) born at term gestational age, 24 cases (58.53%) with macrocephaly in family, 17 cases (41.5%) with hospitalization history, 39 cases (95.1) with normal birth weight were assessed. Mean of age and head circumference were 8.8±2.8 years and 35.15±1.5 cm, respectively. Increase of head circumference with 30.2 % was the most common complaint at referred time during health cares. 33 cases (80.5%) diagnosed based on CT scan and 11 cases (26.8%) had development delay. From 41 children included to the study, 33 boys (80.5%), 20 cases with Fars ethnicity

Conclusion: Of head circumference during health cares had the most frequency of external hydrocephalus. Much more attention to these children and early diagnosis and treatment is essential. Boys children with fars ethnicity, macrocephaly history, developmental delay and increase.