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1.
J Stroke Cerebrovasc Dis ; 30(9): 105951, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-34298426

RESUMO

OBJECTIVE: We aim to report the incidence and clinical characteristics of patients who were found to have diffusion restricting lesions of the corpus callosum (CC) on Diffusion-weighted imaging (DWI) on magnetic resonance imaging (MRI) following intracranial hemorrhage (ICH). DESIGN/METHODS: A retrospective cross-sectional analysis was performed of medical records of all adult patients admitted to a single tertiary center with a primary diagnosis of ICH and received nicardipine infusion over a 2-year period. Patients without MRI brain available or patients who underwent digital subtraction angiography (DSA) prior to MRI were excluded. ICH and intraventricular hemorrhage (IVH) volumes and scores were calculated. MRI brain scans were evaluated for presence and locations of DWI lesions. RESULTS: Among 162 patients who met inclusion criteria, 6 patients (4%, median age 53, range 37-71, 100% male, 33% white) were found to have DWI lesions in the CC with a median ICH volume of 17ml (range 1-105ml). The ICH locations were lobar (n=3), deep (n=2) and cerebellum (n=1). All patients (100%) had intraventricular hemorrhage (IVH) with median IVH volume of 25ml (range 2.7-55ml). Four patients were on levetiracetam. No identifiable infections or metabolic abnormalities were found among these patients. All but one patient had normal DSA. Follow up MRI was only available in one patient and showed no reversibility at 14 days. CONCLUSION: Although rare, diffusion restricting corpus callosum lesions can be seen in patients with ICH, especially in patients with IVH. The etiology and clinical significance of these lesions remains unknown and warrant further research.


Assuntos
Circulação Cerebrovascular , Corpo Caloso/irrigação sanguínea , Corpo Caloso/diagnóstico por imagem , Imagem de Difusão por Ressonância Magnética , Hemorragias Intracranianas/diagnóstico por imagem , Imagem de Perfusão , Adulto , Idoso , Angiografia Digital , Hemorragia Cerebral Intraventricular/diagnóstico por imagem , Hemorragia Cerebral Intraventricular/epidemiologia , Hemorragia Cerebral Intraventricular/fisiopatologia , Estudos Transversais , Feminino , Humanos , Incidência , Hemorragias Intracranianas/epidemiologia , Hemorragias Intracranianas/fisiopatologia , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Prognóstico , Estudos Retrospectivos
2.
Curr Opin Infect Dis ; 34(3): 255-263, 2021 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-33741793

RESUMO

PURPOSE OF REVIEW: Central nervous system (CNS) infections are associated with high rates of morbidity and mortality. The purpose of this review is to summarize current antimicrobial therapies, as well as, updates in the management of community-acquired meningitis and healthcare-associated meningitis and ventriculitis. RECENT FINDINGS: Due to the increasing rates of multidrug resistant and extensively-drug resistant organisms, available antimicrobials are limited. Novel treatment options include newer systemic antimicrobials and antimicrobials that have previously limited data in the management of CNS infections. Although limited by retrospective data, intrathecal (IT) and intraventricular (IVT) routes of administration offer the opportunity for antimicrobials that conventionally have minimal cerebrospinal fluid (CSF) penetration to achieve high CSF concentrations while minimizing systemic exposure. SUMMARY: Updates in the use of systemic, IT, and IVT antimicrobials offer promise as therapeutic options for CNS infections. Additional pharmacokinetic and prospective data are needed to confirm these findings.


Assuntos
Antibacterianos/uso terapêutico , Infecções do Sistema Nervoso Central/tratamento farmacológico , Derivações do Líquido Cefalorraquidiano/efeitos adversos , Bactérias , Infecções do Sistema Nervoso Central/microbiologia , Infecções Comunitárias Adquiridas/tratamento farmacológico , Infecções Comunitárias Adquiridas/microbiologia , Humanos
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