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Featured researches published by Syuji Koike.


THE LARYNX JAPAN | 2015

Clinical Investigation of Surgical Closure of Tracheoesophageal Shunt

Takashi Nasu; Shinichi Okazaki; Masashi Okazaki; Kazuya Kurakami; Takanari Goto; Motoyasu Sugiyama; Syuji Koike; Seiji Kakehata

The purpose of this study was to elucidate the appropriate time for closing a tracheoesophageal shunt for a safe and non-invasive surgical procedure, after acquiring another type of vocal rehabilitation. A tracheoesophageal shunt is globally considered to be the most useful tool for excellent vocal rehabilitation; nevertheless, it must be closed for several reasons. In some cases, surgical closure of a tracheoesophageal shunt is difficult due to poor histological conditions around the shunt. We herein propose a new strategy of vocal rehabilitation to utilize a tracheoesophageal shunt effectively. Materials and methods: Between 1995 and 2014, 46 patients underwent voice prosthesis insertion surgery. Nine (eight laryngeal cancer patients, one thyroid cancer patient) of these patients underwent surgical closure of a tracheoesophageal shunt. We investigated their cancer treatments, reasons for closing the tracheoesophageal shunt, period of voice prosthesis insertion, operative method, number of operations, and outcome. Results: The reasons for closing the tracheoesophageal shunt were aspiration pneumonia and acquisition of esophageal voice in 4 patients each. Regarding the period of voice prosthesis speech, 6 patients had used it for approximately 3 years and 3 patients for more than 7 years. Approximately all 3-year users underwent a non-invasive surgical procedure, such as triple-layered suture, and their operation succeeded the first time. Conversely, the more than 7-year users required an invasive surgical procedure, such as a pedicle flap, and had to undergo more than one operation. Conclusion: In the present study, tracheoesophageal shunt closure could be performed within 3 years via a safe and non-invasive surgical procedure. We recommend that the operation for a tracheoesophageal shunt be undertaken at a relatively early stage after total laryngectomy. Such patients should acquire esophageal voice within 3 years and undergo surgical closure of the tracheoesophageal shunt as soon as possible.


Practica oto-rhino-laryngologica | 2003

A Clinical Study on Deep Neck Infections

Takashi Nasu; Syuji Koike; Hiroo Inamura; Yutaka Suzuki; Naoko Akatsuka; Tsukasa Ito; Tadashi Nakamura; Masaru Aoyagi


Practica oto-rhino-laryngologica | 2004

The Usefulness of Helical CT in the Diagnosis of a Cervical Wooden Foreign Body: A Case Report

Takashi Nasu; Syuji Koike; Yutaka Suzuki; Tsukasa Ito; Shinichi Okazaki; Daisuke Noda; Masaru Aoyagi


Toukeibu Gan | 2004

ADENOID CYSTIC CARCINOMA OF THE HEAD AND NECK-REPORT OF 24 CASES-

Akihiro Ishida; Syuji Koike; Takashi Nasu; Tukasa Ito; Hiroo Inamura; Tadashi Nakamura; Masaru Aoyagi


Practica oto-rhino-laryngologica | 2009

The Effects of Acid Regurgitation and Dyspepsia on the Treatment of Patients with laryngopharyngeal Reflux Disease (LPRD)

Nobuo Ohta; Takashi Nasu; Tomoo Watanabe; Yasuhiro Abe; Daisuke Noda; Akihiro Ishida; Syuji Koike; Masaru Aoyagi


Journal of Japan Society for Head and Neck Surgery | 2018

Use of ipilimumab for recurrent or metastatic malignant mucosal melanoma of the head and neck: a single institution experience

Shinichi Okazaki; Takashi Nasu; Daisuke Noda; Kazuya Kurakami; Syuichi Yakuwa; Sayuri Nakajima; Masayuki Kaneko; Syuji Koike; Teruaki Nagase; Seiji Kakehata


THE LARYNX JAPAN | 2012

Clinical Results of Surgical Closure of the Larynx with Removal of the Thyroid and Cricoid Cartilage for Intractable Aspiration Pneumonia in a Patient with Severe Motor and Intellectual Disability

Takashi Nasu; Syuji Koike; Makoto Kano; Seiji Kakehata


Journal of Japan Society for Head and Neck Surgery | 2011

Clinical analysis of outcome of laryngeal preservation surgery for hypopharyngeal cancer—Postoperative complications and management—

Takashi Nasu; Syuji Koike; Daisuke Noda; Akihiro Ishida; Masaru Aoyagi


THE LARYNX JAPAN | 2010

Late-Onset Radiation-induced Morphologic Change and Functional Disorder in Larynx

Takashi Nasu; Syuji Koike; Kazuya Kurakami; Masaru Aoyagi


THE LARYNX JAPAN | 2009

Surgical Closure of the Larynx with Removal of the Thyroid and Cricoid Cartilage for Intractable Aspiration Pneumonia in a Patient with Severe Motor and Intellectual Disability ; A Case Report

Takashi Nasu; Syuji Koike; Kazuya Kurakami; Kano Makoto; Masaru Aoyagi

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