PMID: 9442834Jan 27, 1998Paper

In vivo aerodynamic characteristics of the Nijdam voice prosthesis

Acta Oto-laryngologica
F J Van den HoogenJ J Manni

Abstract

The Nijdam voice prosthesis is an indwelling valveless voice prosthesis for postlaryngectomy voice rehabilitation. The in vitro aerodynamic characteristics are reported to be comparable to that of the low-resistance Groningen voice prosthesis. Owing to the design of the prosthesis the airflow resistance depends on the shaft length of the voice prosthesis in relation to the thickness of the tracheo-oesophageal wall. As tissue characteristics of the patient's oesophageal mucosa could also be of importance, an in vivo study was found necessary. To assess in vivo characteristics the following parameters were recorded in 10 patients: intratracheal pressure, intraoesophageal pressure and airflow during phonation. At an airflow of 0.15 1/sec the transdevice pressure loss varied from 0.5 up to 7 kPa (mean 3.9 kPa). With an artificial increase of the tracheo-oesophageal wall thickness, transdevice pressure losses up to 13 kPa were found. Significant interindividual as well as intraindividual differences were noted. The airflow resistance of the Nijdam voice prosthesis in relation to the thickness of the tracheo-oesophageal wall was compared with the airflow resistance reported for various other voice prostheses. The in vivo aerodynamic ...Continue Reading

References

Jun 1, 1991·Archives of Otolaryngology--head & Neck Surgery·R J ZijlstraH K Schutte
Jan 1, 1986·Archives of Otolaryngology--head & Neck Surgery·B E Smith
Mar 1, 1981·The Annals of Otology, Rhinology, and Laryngology·W R Panje
Sep 1, 1981·The Annals of Otology, Rhinology, and Laryngology·M I SingerR C Hamaker
Jan 1, 1997·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·A VeenstraG J Verkerke

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Citations

May 2, 1998·Biochimica Et Biophysica Acta·G Arthur, R Bittman
May 9, 2012·The Laryngoscope·Richard DirvenHenri A M Marres
May 7, 2002·The Annals of Otology, Rhinology, and Laryngology·Gijsbertus Jacob VerkerkeHarm K Schutte
Jul 24, 2001·The Annals of Otology, Rhinology, and Laryngology·G J VerkerkeH K Schutte

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