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Droplet applicator module for reproducible and controlled endoscopic laryngeal adductor reflex stimulation.
Biomicrofluidics
July 2020
Institute of Mechatronic Systems, Leibniz Universität Hannover, 30823 Garbsen, Germany.
This work presents a droplet applicator module to generate stable droplets with different muzzle energies for the reproducible endoscopic stimulation of the laryngeal adductor reflex (LAR). The LAR is a protective reflex of the human larynx; an abnormal LAR performance may cause aspiration pneumonia. A pathological LAR can be detected by evaluating its onset latency.
View Article and Find Full Text PDFObjective measures of laryngeal imaging: what have we learned since Dr. Paul Moore.
J Voice
January 2014
Department of Otolaryngology, Mount Sinai School of Medicine, New York, New York. Electronic address:
Dr. Paul Moore pioneered the use of high-speed cinematography for observation of normal and abnormal vocal fold vibrations during phonation. His analysis of the glottal area waveform, opening and closing speed index, and open quotient from the high-speed films were labor intensive but relevant today.
View Article and Find Full Text PDFVocal fold and ventricular fold vibration in period-doubling phonation: physiological description and aerodynamic modeling.
J Acoust Soc Am
May 2010
Département Parole et Cognition, Grenoble Images Parole Signal Automatique-lab, UMR5216 CNRS, Grenoble INP, UJF, Université Stendhal, 961 Rue de la Houille Blanche, Domaine Universitaire, BP 46, 38402 Saint Martin d'Hères Cedex, France.
Occurrences of period-doubling are found in human phonation, in particular for pathological and some singing phonations such as Sardinian A Tenore Bassu vocal performance. The combined vibration of the vocal folds and the ventricular folds has been observed during the production of such low pitch bass-type sound. The present study aims to characterize the physiological correlates of this acoustical production and to provide a better understanding of the physical interaction between ventricular fold vibration and vocal fold self-sustained oscillation.
View Article and Find Full Text PDFInfluence of the size of the hiatus on the rate of reherniation after laparoscopic fundoplication and refundopilication with mesh hiatoplasty.
Surg Endosc
April 2011
Department of General Surgery, General Hospital Zell am See, Paracelsusstraße 8, 5700 Zell am See, Austria.
Background: Intrathoracic wrap migration is the most frequent morphological anatomic reason for failure of laparoscopic antireflux surgery (LARS). This study investigates whether the size of the esophageal hiatus is a factor in reherniation after LARS with mesh hiatoplasty and after primary failed hiatal closure.
Methods: Fifty-four patients who underwent a laparoscopic 270° Toupet fundoplication with simple sutured crura and posterior onlay of Parietex mesh prosthesis between October 2003 and June 2008 were evaluated with respect to the occurrence of postoperative intrathoracic wrap migration/reherniation.
Dysphagia in Crohn's disease: a diagnostic challenge.
Dig Liver Dis
September 2002
Gl-Unit, Inselspital, University of Berne, Switzerland.
Dysphagia is a rare manifestation in a patient with Crohn's disease. We report on the case of a patient with long-standing Crohn's disease who developed progressive dysphagia over 3 years. Endoscopy showed minimal distal oesophagitis with non-specific histological findings.
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