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1.
Cureus ; 15(5): e38573, 2023 May.
Article in English | MEDLINE | ID: mdl-37288218

ABSTRACT

Acute necrotizing encephalitis (ANE) is a rare and life-threatening form of encephalitis associated with influenza virus and other pathogens. It is characterized by a rapid onset of neurological symptoms and has been linked to a cytokine storm within the brain. We present a unique case of an eight-year-old female with influenza B-associated ANE, involving multiple brain areas including the cerebellum and brainstem and cauda equina involvement. The patient had a rapid neurological deterioration, and MRI findings revealed extensive multifocal areas of abnormal brain parenchyma and inflammation with Guillain-Barre appearance in the cauda equina. To the best of our knowledge, this is the first reported case of ANE with cauda equina involvement leading to neurological deficits. Despite treatment with oseltamivir, steroids, and intravenous immunoglobulins, the patient had poor neurological outcomes, similar to those reported in the literature.

2.
Nicotine Tob Res ; 23(10): 1801-1804, 2021 08 29.
Article in English | MEDLINE | ID: mdl-33844008

ABSTRACT

INTRODUCTION: Smokeless tobacco (ST) is a significant South Asian public health problem. This paper reports a qualitative study of a sample of South Asian ST users. METHODS: Interviews, using a piloted topic guide, with 33 consenting, urban dwelling adult ST users explored their ST initiation, continued use, and cessation attempts. Framework data analysis was used to analyze country specific data before a thematic cross-country synthesis was completed. RESULTS: Participants reported long-term ST use and high dependency. All reported strong cessation motivation and multiple failed attempts because of ease of purchasing ST, tobacco dependency, and lack of institutional support. CONCLUSIONS: Interventions to support cessation attempts among consumers of South Asian ST products should address the multiple challenges of developing an integrated ST policy, including cessation services. IMPLICATIONS: This study provides detailed understanding of the barriers and drivers to ST initiation, use, and cessation for users in Bangladesh, India, and Pakistan. It is the first study to directly compare these three countries. The insight was then used to adapt an existing behavioral support intervention for ST cessation for testing in these countries.


Subject(s)
Tobacco Use Cessation , Tobacco Use Disorder , Tobacco, Smokeless , Adult , Humans , Pakistan , Tobacco Use
3.
Nat Commun ; 8: 15970, 2017 06 30.
Article in English | MEDLINE | ID: mdl-28665398

ABSTRACT

Turbulent magnetic fields abound in nature, pervading astrophysical, solar, terrestrial and laboratory plasmas. Understanding the ubiquity of magnetic turbulence and its role in the universe is an outstanding scientific challenge. Here, we report on the transition of magnetic turbulence from an initially electron-driven regime to one dominated by ion-magnetization in a laboratory plasma produced by an intense, table-top laser. Our observations at the magnetized ion scale of the saturated turbulent spectrum bear a striking resemblance with spacecraft measurements of the solar wind magnetic-field spectrum, including the emergence of a spectral kink. Despite originating from diverse energy injection sources (namely, electrons in the laboratory experiment and ion free-energy sources in the solar wind), the turbulent spectra exhibit remarkable parallels. This demonstrates the independence of turbulent spectral properties from the driving source of the turbulence and highlights the potential of small-scale, table-top laboratory experiments for investigating turbulence in astrophysical environments.

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