Publications by authors named "N Ruas Sousa"

The COVID-19 pandemic has caused over 7 million deaths globally in the past four years. spp. (Siparunaceae), which is used in Brazilian folk medicine, is considered a genus with potential antiviral alternatives.

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Background And Purpose: Spinal cord injury (SCI) is a neurological condition that affects motor and sensory functions below the injury site. The consequences of SCI are devastating for the patients, and although significant efforts have been done in the last years, there is no effective therapy. Baclofen has emerged in the last few years as an interesting drug in the SCI field.

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Dilated cardiomyopathy (DCM) is a serious condition often leading to acute heart failure (HF), with diverse etiologies including viral myocarditis. This report details a case of reversible DCM in a 34-year-old male who presented with symptoms of acute HF. Diagnostic workup revealed biventricular dilation with severe systolic dysfunction and serology confirming herpes simplex virus infection.

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The nucleus accumbens (NAc) is a key brain region for motivated behaviors, yet how distinct neuronal populations encode appetitive or aversive stimuli remains undetermined. Using microendoscopic calcium imaging in mice, we tracked NAc shell D1- or D2-medium spiny neurons' (MSNs) activity during exposure to stimuli of opposing valence and associative learning. Despite drift in individual neurons' coding, both D1- and D2-population activity was sufficient to discriminate opposing valence unconditioned stimuli, but not predictive cues.

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Introduction: Central venous catheterisation (CVC) is a commonly performed procedure in clinical practice. Although usually safe, complications can arise such inadvertent vascular lesion. This report is of a case of left brachiocephalic vascular lesion due to a subclavian catheter, thus raising awareness about this potential complication, which is not always immediately recognised.

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