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The vibratory width of the glottis plays an important role in the diagnosis of functional voice disorders. The experienced examiner decides if the amplitudes of the vocal folds are normal, too small or too wide, always with regard to the length of the glottis. Therefore the width-length quotient is an adequate measurement for the vibratory width of the(More)
Potassium channels present in the basolateral membrane of respiratory epithelial cells play an important role in the process of chloride secretion. Utilizing the patch clamp technique, we examined human cultured respiratory epithelial cells derived from patients with cystic fibrosis (CF) and normals individual (N) for the existence of and for the properties(More)
A major challenge facing management in developed countries is improving the performance of knowledge and service workers, i.e. the decision makers. In a developing country such as South Africa, with a well-developed business sector, the need to improve the performance of decision makers, especially in government, is even more crucial. South Africa has to(More)
1974 to 1982 202 hospitalized patients, aged 17 to 87 years, suffering from a sudden hearing loss at first were treated between 3 and 26 days (average period 13 days) with 400 mg naftidrofuryl in low molecular weight dextrans, physiologic saline solution, glucose or leavulose solutions daily. After leaving hospital the patients received 2 dragees at 100 mg(More)
  • H J Arndt
  • 1984
In 1983, 45 out of 63 clinically treated patients with sudden hearing loss underwent an exploratory tympanotomy. In 27 cases (60%) a perforation of the round window membrane was found, whereas in 18 cases (40%) the round window membrane was intact and there was no perilymph fistula. From 1982 to the end of 1983 30 perforations of the round window membrane(More)