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Deep brain stimulation of the motor thalamus relieves experimentally induced air hunger.
Eur Respir J
December 2024
Department of Clinical Neurosciences, John Radcliffe Hospital, Oxford, UK.
Article Synopsis
- A study investigated the effects of Deep Brain Stimulation (DBS) on breathlessness in patients with chronic obstructive pulmonary disease by examining its impact on "air hunger" (AH) sensations, particularly focusing on motor thalamus (MT) stimulation.
- Sixteen patients with existing DBS treatment for tremor participated in tests where they rated their air hunger with the stimulation "ON" and "OFF."
- Results showed a significant reduction in air hunger during DBS "ON" compared to "OFF," suggesting that MT DBS may improve the sensation of breathlessness and could be a potential treatment for chronic dyspnoea.
Suspected intracranial hypertension in COVID-19 patients with severe respiratory failure.
PLoS One
September 2024
Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy.
Background: COVID-19 patients may exhibit neurological symptoms due to direct viral damage, systemic inflammatory syndrome, or treatment side effects. Mechanical ventilation in patients with severe respiratory failure often requires sedation and neuromuscular blockade, hindering thorough clinical examinations. This study aimed to investigate neurological involvement through clinical and noninvasive techniques and to detect signs of intracranial hypertension in these patients.
View Article and Find Full Text PDFInvestigating effects of FFP2 wearing during physical activity on gas exchange, metabolism and affective state using a randomized controlled trial.
Sci Rep
March 2024
Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe-University Frankfurt, Frankfurt am Main, Germany.
Concerns are repeatedly raised about possible adverse respiratory effects of wearing filtering face pieces (FFP) during physical activity. This study compared the impact of FFP type 2 (NF95) on pulmonary function, blood gas values, metabolism and discomfort during light, moderate and vigorous physical activity. Healthy adults (n = 13; 6 females, 7 males; mean 31.
View Article and Find Full Text PDFBlunted perception of breathlessness in three cases of low grade insular-glioma.
Front Neurosci
February 2024
Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, United Kingdom.
Better understanding of breathlessness perception addresses an unmet clinical need for more effective treatments for intractable dyspnoea, a prevalent symptom of multiple medical conditions. The insular-cortex is predominantly activated in brain-imaging studies of dyspnoea, but its precise role remains unclear. We measured experimentally-induced hypercapnic air-hunger in three insular-glioma patients before and after surgical resection.
View Article and Find Full Text PDFDemographics of tonsillar hypertrophy among sickle cell disease patients in calabar.
Niger J Clin Pract
July 2023
Department of Pediatrics, University of Calabar, Calabar Cross River State, Nigeria.
Background: Sickle cell disease (SCD) is the most common genetic disorder, with Africa bearing the highest burden. In this cohort study, sickle cell subjects are immunocompromised and predisposed to recurrent infections and tonsillar hypertrophy, especially in children. Subsequently, tonsillar hypertrophy leads to sleep-disordered breathing (SDB) with resulting hypoxemia, hypercapnia, and acidosis, raising the risk of HbS polymerization and, consequently, vaso-occlusive phenomena and other complications.
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