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Scientists have discovered bacteria linked to post-infectious hydrocephalus (PIH), the most common cause of pediatric hydrocephalus worldwide.Results of the study led by Pennsylva State University with the Center for Infection and Immunity (CII) scientists and clinical colleagues in Uganda are published in the journal Science Translational Medicine.Hydrocephalus is the most common indication for neurosurgery in children. Of the estimated 400,000 new cases each year, about half are estimated to be post-infectious, with the largest number of cases in low- and middle-income countries, especially sub-Saharan Africa.Neonatal sepsis often precedes PIH, although the mfestations of hydrocephalus typically emerge in the months following the neonatal period as cerebrospinal fluid accumulates so that cral expansion garners medical attention. These infants typically die in early childhood without advanced surgical management.Study co-first author Brent L. Williams, PhD, assistant professor of epidemiology at CII, examined cerebrospinal fluid (CSF) taken from 100 consecutive cases of PIH and control cases of non-post-infectious hydrocephalus (NPIH) in infants in Uganda, testing the samples for evidence of bacterial and fungal microorgsms. He found Paenibacillus species (bacteria) in CSF linked to cases of PIH, not controls.Williams further quantitated Paenibacillus species in infant CSF samples, finding a high burden of these bacteria in infected patients. The findings were subsequently independently confirmed, and a strain of Paenibacillus was isolated and characterised through further testing by Steven Schiff, MD, the study's senior author, and colleagues at Pennsylva State University.The researchers also found that Paenibacillus quantity was associated with clinical measures of hydrocephalus based on brain imaging scores, as well as potential signs of infection based on immune cell counts in patients."This discovery has the potential to reduce morbidity and mortality of this central nervous system disease in millions of children in sub-Saharan Africa by shifting treatment from surgery to antibiotics and vaccines," said Co-senior author W. Ian Lipkin, MD, John Snow Professor, and CII Director."Now that we have identified a pathogen that may be responsible for some cases of post-infectious hydrocephalus, we can develop new, more sensitive tests to quickly detect an infection, assess its severity, identify the source of such infections, and hopefully provide targeted treatments to prevent the development of hydrocephalus," added Brent Williams.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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