Electromyography in near-total laryngectomy.

نویسندگان

  • G R Arunodaya
  • A M Shenoy
  • S Premalata
چکیده

OBJECTIVE To investigate the dynamics of speech shunt muscle in patients with Pearson near-total laryngectomy by needle electromyography and correlation of ability to activate shunt muscle with speech production. DESIGN AND SETTINGS Prospective study of patients with near-total laryngectomy at 2 hospital-based academic tertiary care centers. PARTICIPANTS AND INTERVENTION Fourteen patients with near-total laryngectomy were subjected to percutaneous needle electromyographic study of the shunt muscle. MAIN OUTCOME MEASURES Speech ability, electromyographic evidence of viable muscle in shunt wall, and ability to activate shunt muscle were recorded. RESULTS Twelve of 14 patients had good speech; 11 had evidence of viable shunt muscle; and 9 were able to activate muscle by phonation, swallowing, or deep breathing, indicating preserved innervation. Six of the 12 patients with speech ability and 1 of the 2 patients without speech ability were able to recruit motor units during attempted phonation. CONCLUSIONS Electromyography demonstrated viable muscle with retained innervation in 64% of the patients with near-total laryngectomy, proving its "dynamic" nature. However, the usefulness of shunt muscle activation in speech and prevention of aspiration needs further confirmation.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Breathing, Swallowing and Voice in Laryngeal Disorders

.........................................................................................................................6 List of original publications..................................................................................................8 Abbreviations...................................................................................................................9 Introduction......

متن کامل

Preliminary report--near total laryngectomy for SCC larynx.

A retrospective analysis was performed on patients subjected to near-total laryngectomy at Aga Khan University Hospital Karachi from September 2006 and May 2010, to evaluate the functional outcome of Near Total Laryngectomy and its effect on disease control. In all of these advanced stage laryngeal-hypopharyngeal squamous cancer patients, the disease was limited to one side of the larynx-hypoph...

متن کامل

Near Total Pharyngolaryngectomy and Reconstruction with Interpositional Tubed Pectoralis Major Myocutaneous Flap

Near total laryngectomy can be safely combined with partial or subtotal pharyngectomies when the disease is lateralized rendering the interarytenoid joint and the contralateral cricoarytenoid joint free of tumor. A case of post radiotherapy recurrent carcinoma of the posterior pharyngeal wall which could be salvaged by a circumferential pharyngectomy combined with a near total laryngectomy is r...

متن کامل

Near-total laryngectomy for laryngeal carcinomas with subglottic extension.

OBJECTIVE To investigate whether Pearson classic near-total laryngectomy is a sensible surgical treatment modality for laryngeal carcinomas with subglottic extension. DESIGN Retrospective analysis of patients treated by near-total laryngectomy in a university hospital that is an academic tertiary health care center. PARTICIPANTS AND INTERVENTION Medical and computer records of 135 patients ...

متن کامل

Electromyographic control of a hands-free electrolarynx using neck strap muscles.

UNLABELLED Three individuals with total laryngectomy were studied for their ability to control a hands-free electrolarynx (EL) using neck surface electromyography (EMG) for on/off and pitch modulation. The laryngectomy surgery of participants was modified to preserve neck strap musculature for EMG-based EL control (EMG-EL), with muscles on one side maintaining natural innervation and those on t...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Archives of otolaryngology--head & neck surgery

دوره 124 8  شماره 

صفحات  -

تاریخ انتشار 1998