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Hippocampal Atrophy/Sclerosis Is Associated with Old, Calcified Parenchymal Brain Neurocysticercosis, But Not with More Recent, Viable Infections

Hippocampal Atrophy/Sclerosis Is Associated with Old, Calcified Parenchymal Brain Neurocysticercosis, But Not with More Recent, Viable Infections

Sanchez, Sofía S.; Bustos Palomino, Javier Arturo; Del Brutto, O.H.; Herrera, G.; dos Santos, A.C.; Pretell, E.J.; Gonzales, I.; Saavedra Pastor, Herbert; García Lescano, Héctor Hugo; Cysticercosis Working Grp Peru
URI: https://hdl.handle.net/20.500.12866/11885
Date: 2022

Abstract:

Magnetic resonance images from 197 patients with calcified neurocysticercosis (NCC), 38 with viable NCC and 197 NCC-free healthy rural villagers were evaluated to compare the frequency of hippocampal atrophy/sclerosis (HAS) across these populations. Scheltens’ medial temporal atrophy scale was used for hippocampal rating. The median age of the 432 study participants was 46 years (interquartile range, 29–62 years), and 58% were women. Hippocampal atrophy/sclerosis was disclosed in 26.9% patients with calcified NCC, compared with 7.9% in patients with viable NCC and 8.1% in healthy rural villagers. After adjusting for age, gender, and history of epilepsy, hippocampal atrophy/sclerosis was more frequent in patients with calcified NCC than in those with viable cysts (RR, 3.60; 95% CI, 1.18– 0.99; P = 0.025) and healthy rural villagers (RR, 3.43; 95% CI, 1.94–6.06; P < 0.001), suggesting that hippocampal damage develops late in the course of this parasitic disease.

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