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212 results on '"Yanagita, Noriyuki"'

7. Effect of Topical Application of Nitroglycerin on Cochlear Blood Flow

Author

ITO, ASAKO, NAKASHIMA, TSUTOMU, and YANAGITA, NORIYUKI

Subjects
otorhinolaryngologic diseases, sense organs
Abstract

Purpose: To investigate whether topical application of the vasodilator nitroglycerin would increase cochlear blood flow without adversely affecting inner ear function. Materials and Methods: The effect of topical application of nitroglycerin to the round window membrane on cochlear blood flow was measured in 33 guinea pigs with a laser Doppler flowmeter. Endocochlear potential, as an indicator of inner ear function, was recorded by a glass micro-electrode inserted through the round window membrane in a second series of 27 guinea pigs. Blood pressure was also monitored in both experiments. Results: Low doses (0.0001 to 1 wg) of nitroglycerin induced an increase in cochlear blood flow with no change in blood pressure. The cochlear blood flow was maximally increased by approximately 50%. A high dose (50 ILg) of nitroglycerin induced a significant decrease in blood pressure but did not significantly affect endocochlear potential. Conclusions: Topical application of nitroglycerin may be useful in increasing cochlear blood flow in various inner ear diseases., 名古屋大学博士学位論文 学位の種類 : 博士(医学)(論文) 学位授与年月日:平成7年3月31日 伊藤麻子氏の博士論文として提出された

Published
1995

8. Bacteriological examination and therapy for peritonsillar abscess

Author

Kameshima Shigeru, Yanagita Noriyuki, Ueda Yukio, Kaida Masahide, Mori Masahiro, Koide Junichi, Yokoi Hisashi, Nakashima Tsutomu, Tsuzuki Kolchi, Niwa Hideto, and Hagiwara Keiji

Subjects
medicine.medical_specialty, biology, Aerobic bacteria, business.industry, biology.organism_classification, Surgery, stomatognathic system, Otorhinolaryngology, medicine, Anaerobic bacteria, Peritonsillar Abscess, business, Drip infusion, Bacteria
Abstract

In 30 patients with peritonsillar abscess, we performed bacteriological examinations and evaluated the results of our treatment. Aerobic bacteria were isolated in 24 and anaerobic bacteria in 22 of 29 specimens aspirated from peritonsillar abscesses. Anaerobes only were recovered in 5 cases and in 17 both aerobic and anaerobic bacteria were isolated. Sulperazon® was administered by intravenous drip infusion in all 30 patients, and the results of our treatment could be evaluated in 27 patients. In all but one of the 27, both subjective symptoms and objective signs improved within 6 days after the start of treatment.Anaerobic bacteria are usually difficult to isolate. We describe methods of bacterial detection and therapy for the treatment of peritonsillar abscess.

Published
1990
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35. Pure Tone Hearing Level in People 75 Years or More.

Author

Yanagita, Noriyuki, primary, Nakashima, Tsutomu, additional, Kusakari, Jun, additional, Ito, Zenya, additional, Ichikawa, Ginichiro, additional, Yamakawa, Takuya, additional, Toriyama, Minoru, additional, Okamoto, Makito, additional, Inafuku, Shigeru, additional, Saito, Haruo, additional, and Soejima, Hiromi, additional

Published
1996
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43. Aural Barotrauma.

Author

YANAGITA, Noriyuki, primary, NAKASHIMA, Tsutomu, additional, UEDA, Hiromi, additional, FUKUTA, Shigeji, additional, and KOZUKA, Makoto, additional

Published
1995
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