Learn More
BACKGROUND AND PURPOSE We have investigated the pathophysiological mechanisms of dysphagia in Wallenberg's syndrome (WS) that are due to lateral medullary infarction (LMI). METHODS Twenty patients with WS were evaluated by means of clinical and electrophysiological methods that measured the oropharyngeal phase of voluntarily initiated swallowing. For(More)
The electrophysiological features of voluntarily induced and reflexive/spontaneous swallows were investigated. In normal subjects, swallows were elicited by infusing water either into the mouth (1–3 ml) or directly into the oropharyngeal region through a nasopharyngeal cannula (0.3–1 ml). For water infused orally, subjects were either requested to swallow(More)
OBJECTIVE Neurogenic dysphagia (ND) is a prevalent condition that accounts for significant mortality and morbidity worldwide. Screening and follow-up are critical for early diagnosis and management which can mitigate its complications and be cost-saving. The aims of this study are to provide a comprehensive investigation of the dysphagia limit (DL) in a(More)
BACKGROUND Sequential water swallowing (SWS) was mostly investigated by the videofluoroscopic and endoscopic methods. However some physiological features of SWS was rarely evaluated by neurophysiological techniques. Our aim was to investigate some neural and muscular changes on sequences of SWS using electromyography (EMG) methods. METHODS Fifty-eight(More)
Swallowing mechanism and neurogenic dysphagia in MS have been rarely studied by electromyographical (EMG) methods. This study aims to evaluate the presence of subclinical dysphagia in patients with mild multiple sclerosis (MS) using electrophysiological methods. A prospective study of 51 patients with relapsing remitting multiple sclerosis and 18(More)
OBJECTIVES The aim of this study is to describe patients with unusual symptoms that were primary manifestations of multiple sclerosis (MS). PATIENTS AND METHODS We report 21 multiple sclerosis patients who presented unusual initial pictures (acute brachial pain n=4, headache n=6, ptosis n=1, oculomotor nerve palsy n=1, peripheral facial palsy n=1, throat(More)
We studied the various physiological aspects of oropharyngeal swallowing in Parkinson's disease (PD). Fifty-eight patients with PD were investigated by clinical and electrophysiological methods that measured the oropharyngeal phase of swallowing. All patients except 1 had mild to moderate degree of disability score. Dysphagia was demonstrated in 53% of all(More)
OBJECTIVE Cricopharyngeal (CP) muscle of the upper oesophageal sphincter (UES) has a significant role in the pharyngo-esophageal phase of deglutition. The linkage between the CP muscle of UES and the motor cortex has not been previously studied electrophysiologically in healthy humans and in patients with neurogenic dysphagia. METHODS Needle recordings of(More)
Healthy adults can swallow boluses of 20 ml water in a single swallow. Individuals with impaired swallowing, however, may be unable to do so, instead requiring two or more swallows; this phenomenon is called “piecemeal deglutition”. The term “dysphagia limit” refers to the volume at which piecemeal deglutition occurs. The aim of our study was to investigate(More)
The facial nerve contributes to the oropharyngeal phase of deglutition via the buccinator, perioral, digastricus posterior, and stylohyoid muscles. The gustatory and salivatory functions of the facial nerve are also known to contribute to swallowing. The relation between peripheral facial nerve palsy (PFP) and swallowing dysfunction has never been studied(More)