Document Detail

Changes in respiratory function after thyroplastic surgery.
MedLine Citation:
PMID:  19437167     Owner:  NLM     Status:  MEDLINE    
CONCLUSIONS: A certain degree of subclinical extrathoracic airway compromise may ensue after thyroplastic surgery, although none of the patients reported the presence of dyspneic symptoms in their normal daily lives. OBJECTIVES: To determine the effects of thyroplastic surgery on respiratory function and compare them with the improvement of vocal function. PATIENTS AND METHODS: The study included 53 patients; 7 had type I thyroplasty (type I), 9 had arytenoid adduction (AA), 10 had AA with type I, and 27 had AA with neuromuscular pedicle flap implantation (NMP). Phonatory and respiratory functions were measured preoperatively and postoperatively. The presence of dyspnea during daily activities was determined postoperatively. RESULTS: The difference between the pre- and postoperative values was statistically significant in five comparisons. Forced expiratory volume in 1 s/forced expiratory volume (FEV(1%)) in the AA with type I group, FEV(1)/peak expiratory flow rate (PEFR) in the AA group, and PEFR in the three groups (type I, AA, and AA with NMP). Forty-six patients associated with AA were combined for statistical analysis. The differences were statistically significant for FEV(1%), PEFR, and FEV(1)/PEFR. Changes in maximum phonation time (MPT) were found to have a significant correlation with changes in FEV(1)/PEFR. All the patients denied episodes of dyspnea during their normal daily activities.
Eiji Yumoto; Ryosei Minoda; Yutaka Toya; Satoru Miyamaru; Tetsuji Sanuki
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Acta oto-laryngologica     Volume:  130     ISSN:  1651-2251     ISO Abbreviation:  Acta Otolaryngol.     Publication Date:  2010  
Date Detail:
Created Date:  2010-06-14     Completed Date:  2010-10-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370354     Medline TA:  Acta Otolaryngol     Country:  England    
Other Details:
Languages:  eng     Pagination:  132-7     Citation Subset:  IM    
Otolaryngology - Head and Neck Surgery, Kumamoto University, Kumamoto, Japan.
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MeSH Terms
Aged, 80 and over
Airway Obstruction / physiopathology,  surgery*
Arytenoid Cartilage / surgery*
Combined Modality Therapy
Dysphonia / physiopathology,  surgery*
Follow-Up Studies
Forced Expiratory Volume / physiology*
Middle Aged
Peak Expiratory Flow Rate / physiology*
Phonation / physiology
Prosthesis Implantation*
Surgical Flaps*
Thyroid Cartilage / surgery*
Vocal Cord Paralysis / physiopathology,  surgery*
Vocal Cords / physiopathology,  surgery*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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