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J Neurosurg Pediatr. 2012 Sep;10(3):161-7. doi: 10.3171/2012.5.PEDS11557. Epub 2012 Jul 6.

Rainfall drives hydrocephalus in East Africa.

Author information

  • 1Center for Neural Engineering and Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA, USA. sschiff@psu.edu

Abstract

OBJECT:

Hydrocephalus is one of the most common brain disorders in children throughout the world. The majority of infant hydrocephalus cases in East Africa appear to be postinfectious, related to preceding neonatal infections, and are thus preventable if the microbial origins and routes of infection can be characterized. In prior microbiological work, the authors noted evidence of seasonality in postinfectious hydrocephalus (PIH) cases.

METHODS:

The geographical address of 696 consecutive children with PIH who were treated over 6 years was fused with satellite rainfall data for the same time period. A comprehensive time series and spatiotemporal analysis of cases and rainfall was performed.

RESULTS:

Four infection-onset peaks were found to straddle the twice-yearly rainy season peaks, demonstrating that the infections occurred at intermediate levels of rainfall.

CONCLUSIONS:

The findings in this study reveal a previously unknown link between climate and a neurosurgical condition. Satellite-derived rainfall dynamics are an important factor in driving the infections that lead to PIH. Given prior microbial analysis, these findings point to the importance of environmental factors with respect to preventing the newborn infections that lead to PIH.

PMID:
22768966
[PubMed - indexed for MEDLINE]
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