Publications by authors named "Rathnakara Sherigar"

Objectives: To assess the relation between renal function and delirium and to assess and compare the relation between cerebral white matter lesion (WML) and renal function as estimated by three formulas for the estimated glomerular filtration rate (eGFR) in older adult hospitalized veterans with and without delirium.

Methods: Commonly used formulas to assess renal function-the four-variable Modification of Diet in Renal Disease (MDRD), the six-variable MDRD, and the Cockcroft-Gault eGFR equations-were used to assess renal function in 100 older adult hospitalized veterans with delirium (delirium group) and 100 hospitalized veterans without delirium (nondelirium group) that were age, sex, and race matched. WML location and volumes were assessed using brain computed tomography imaging for each of the 200 veterans in the study.

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Objectives: The literature regarding the underlying neuropathogenesis of delirium on head computed tomography (CT) is limited. The aim of this research was to investigate, using case-control retrospective chart review, the association of white matter lesions (WML), cerebral atrophy, intracranial extravascular calcifications, and ventricular-communicating hydrocephalus in older adult military veterans with and without delirium hospitalized in a Veterans Affairs Medical Center.

Methods: Head CT scans were examined for WML, atrophy, and intracranial extravascular calcifications globally in the cortex, subcortex (frontal, temporal, parietal, occipital lobes), basal ganglia (globus pallidus, caudate, putamen), and internal capsule, in addition to the presence of ventricular-communicating hydrocephalus.

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