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Aerodynamic Properties of the Low-Resistance Groningen Button
Ronald J. Zijlstra, MD;
Hans F. Mahieu, MD, PhD;
Julie T. van Lith-Bijl, MD;
Harm K. Schutte, MD, PhD
Arch Otolaryngol Head Neck Surg. 1991;117(6):657-661.
Abstract
Shunt tracheoesophageal speech is currently the most successful form of voice and speech rehabilitation in laryngectomees. Insertion of valve prostheses into the tracheoesophageal shunts has overcome drawbacks caused by stenosis of the shunt and aspiration. In 10 years of satisfactory results with the standard Groningen button valve prosthesis, the overall concept of this device has proved its value. The airflow resistance, however, is relatively high, so that a low-resistance device has been developed without changing the favorable characteristics of the standard device. The design of this low-resistance Groningen button is described. The airflow resistances of the standard and low-resistance Groningen buttons have been measured and compared. The airflow resistance of the low-resistance Groningen button is also compared with the reported airflow resistances of various other valve prostheses.
(Arch Otolaryngol Head Neck Surg. 1991; 117:657-661)
Author Affiliations
From the Ear-Nose-Throat Department, University Hospital Groningen, the Netherlands. Dr Mahieu is now with Free University of Amsterdam.
Footnotes
Accepted for publication November 26, 1990.
Reprint requests to Ear-Nose-Throat Department, Free University of Amsterdam, De Boelelaan 1117, 1081 HV Amsterdam, the Netherlands (Dr Mahieu).
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