22 research outputs found
Ototoxicité induite par le cisplatine
Le cisplatine est une chimiothĂ©rapie anticancĂ©reuse largement utilisĂ©e dans divers types de cancers. Un de ses effets secondaires reconnus est la baisse de lâaudition, appelĂ©e ototoxicitĂ©. La littĂ©rature mĂ©dicale sur ce sujet est hĂ©tĂ©rogĂšne et imprĂ©cise. Cette Ă©tude rĂ©trospective explore lâincidence, la sĂ©vĂ©ritĂ© et les potentiels facteurs prĂ©cipitants de lâototoxicitĂ© chez lâadulte. Les dossiers mĂ©dicaux de 401 patients traitĂ©s par cisplatine de janvier 2015 Ă janvier 2019 ont Ă©tĂ© analysĂ©s. Lâincidence de la perte auditive Ă©tait de 20%. Parmi ces patients, 60% ont prĂ©sentĂ© un acouphĂšne. La perte auditive Ă©tait neurosensorielle, jamais totale et atteignait les deux oreilles symĂ©triquement avec une prĂ©dominance dans les frĂ©quences aiguĂ«s. Aucune des variables analysĂ©es comme potentiels facteurs favorisants Ă©tait statistiquement significative. Lâincidence de lâototoxicitĂ© induite par le cisplatine est Ă©levĂ©e et doit ĂȘtre connue du clinicien, lâacouphĂšne en est un marqueur potentiel
Disseminated gonorrhea with laryngeal involvement in a 25-year-old man
Un cas de gonococcose dissĂ©minĂ©e avec atteinte laryngĂ©e chez un patient de 25 ans est dĂ©crit. L'atteinte pharyngĂ©e reprĂ©sente environ 3% des cas d'infection par Neisseria Gonorrhoeae, mais son atteinte laryngĂ©e n'a jamais Ă©tĂ© documentĂ©e Ă notre connaissance. Lors d'infection inhabituelle des voies aĂ©ro-digestives supĂ©rieures, une infection sexuellement transmissible doit ĂȘtre recherchĂ©e
Maladie de MeniĂšre, hydrops endolymphatique et IRM
La maladie de MeniĂšre est caractĂ©risĂ©e par des Ă©pisodes rĂ©cidivants de vertige associĂ©s Ă des fluctuations de lâaudition, des acouphĂšnes et une sensation de plĂ©nitude dans lâoreille atteinte. MĂȘme sâil ne permet pas dâexpliquer toutes les manifestations de la maladie, lâĂ©largissement de lâespace endolymphatique â ou hydrops endolymphatique (HE) â en est une caractĂ©ristique histologique classique. Les progrĂšs de lâimagerie par rĂ©sonance magnĂ©tique permettent maintenant la visualisation in vivo des espaces liquidiens de lâoreille interne et lâapprĂ©ciation dâun Ă©ventuel HE. Cet article traite de ces avancĂ©es et leurs potentielles implications diagnostiques dans le contexte dâune maladie de MeniĂšre et plus gĂ©nĂ©ralement dans les affections cochlĂ©ovestibulaires
Olfactory and Gustatory Function in Patients With Different Types of Maxillofacial Trauma
International audienc
Subthalamic nucleus oscillations during vocal emotion processing are dependent of the motor asymmetry of Parkinson's disease
International audienceThe subthalamic nucleus (STN) is involved in different aspects of emotional processes and more specifically in emotional prosody recognition. Recent studies on the behavioral effects of deep brain stimulation (DBS) in patients with Parkinson's disease (PD) have uncovered an asymmetry in vocal emotion decoding in PD, with left-onset PD patients showing deficits for the processing of happy voices. Whether and how PD asymmetry affects STN electrophysiological responses to emotional prosody, however, remains unknown. In the current study, local field potential activity was recorded from eight left- and six right-lateralized motor-onset PD patients (LOPD/ROPD) undergoing DBS electrodes implantation, while they listened to angry, happy and neutral voices. Time-frequency decomposition revealed that theta (2-6Â Hz), alpha (6-12Â Hz) and gamma (60-150Â Hz) band responses to emotion were mostly bilateral with a differential pattern of response according to patient's sides-of onset. Conversely, beta-band (12-20Â Hz and 20-30Â Hz) emotional responses were mostly lateralized in the left STN for both patient groups. Furthermore, STN theta, alpha and gamma band responses to happiness were either absent (theta band) or reduced (alpha and gamma band) in the most affected STN hemisphere (contralateral to the side-of onset), while a late low-beta band left STN happiness-specific response was present in ROPD patients and did not occur in LOPD patients. Altogether, in this study, we demonstrate a complex pattern of oscillatory activity in the human STN in response to emotional voices and reveal a crucial influence of disease laterality on STN low-frequency oscillatory activity
Motor symptom asymmetry in Parkinson's disease predicts emotional outcome following subthalamic nucleus deep brain stimulation
International audienceThe objective of this study was to explore the brain modifications associated with vocal emotion (i.e., emotional prosody) processing deficits in patients with Parkinson's disease after deep brain stimulation of the subthalamic nucleus, and the impact of motor asymmetry on these deficits. We therefore conducted 18-fluorodeoxyglucose positron emission tomography scans of 29 patients with left- or right-sided motor symptoms of Parkinson's disease before and after surgery, and correlated changes in their glucose metabolism with modified performances on the recognition of emotional prosody. Results were also compared with those of a matched healthy control group. Patients with more left-sided motor symptoms exhibited a deficit in vocal emotion recognition for neutral, anger, happiness and sadness in the preoperative condition that was normalized postoperatively. Patients with more right-sided motor symptoms performed comparably to controls in the preoperative condition, but differed significantly on fear postoperatively. At the metabolic level, the improvement observed among patients with left-sided motor symptoms was correlated with metabolic modifications in a right-lateralized network known to be involved in emotional prosody, while the behavioral worsening observed among patients with right-sided motor symptoms was correlated with metabolic modifications in the left parahippocampal gyrus and right cerebellum. We suggest that surgery has a differential impact on emotional processing according to motor symptom lateralization, and interpret these results as reflecting the (de)synchronization of the limbic loop in the postoperative condition