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    Wyświetlanie 1-4 z 4
    Tytuł:
    Phonatory compensation in patients with larynx cancer after CO2 laser cordectomy
    Autorzy:
    Kosztyła-Hojna, Bożena
    Łuczaj, Jarosław
    Berger, Greta
    Duchnowska, Emilia
    Zdrojkowski, Maciej
    Łobaczuk-Sitnik, Anna
    Biszewska, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/1397494.pdf
    Data publikacji:
    2020
    Wydawca:
    Index Copernicus International
    Tematy:
    cordectomy
    glottis cancer
    high speed digital imaging
    laryngeal compensation
    Opis:
    Introduction: CO2 laser endoscopic cordectomy is the method of laryngeal cancer treatment. The type of cordectomy (I–VI) depends on the extent of the tumor. Endoscopic laser surgery provides more satisfactory phonation conditions in comparison to open surgical procedures. The aim: The aim of the study was to classify phonatory compensation mechanisms after CO2 laser cordectomy using the HSDI. M aterial and methods: The study included 30 men treated and diagnosed at the Department of Otolaryngology and Department of Clinical Phonoaudiology and Logopedics, Medical University of Bialystok. The control included 30 men with no pathological changes in the larynx. Type III, IV and Va CO2 laser cordectomy have been for glottis cancer treatment. Postoperative evaluation has been conducted 6 months after the surgery. HSDI has been used in larynx visualization. R esults: Type I compensation occurs most frequently in patients after type III cordectomy. Advanced glottis cancer, as an indication for type IV and V cordectomy, leads to epiglottic hyperfunction and phonation involving vestibular folds – type II and III compensation. Type IV compensation is most frequent in type IV cordectomy. C onclusions: The type compensation is connected with the extent of glottis resection. In cordectomy including anterior commissure and the part of opposite fold (type Va), supraglottic hyperfunction with the participation of vestibular folds (type II and III compensation) has been recorded. Transmuscular cordectomy (type III) most often resulted in type I compensation. Type III-Va cordectomy caused reduction or absence of MW, decrease in amplitude and aperiodicity of vibrations in HSDI.
    Źródło:
    Polish Journal of Otolaryngology; 2020, 74, 2; 31-35
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phonosurgical voice rehabilitation in patients with primary larynx cancer after laser cordectomy CO2
    Autorzy:
    Berger, Greta
    Chyczewski, Lech
    Kosztyła-Hojna, Bożena
    Powiązania:
    https://bibliotekanauki.pl/articles/1400052.pdf
    Data publikacji:
    2017
    Wydawca:
    Index Copernicus International
    Tematy:
    Medialization thyroplasty
    larynx cancer
    cordectomy
    vocal folds
    Lichtenberger technique
    Opis:
    The aim of the treatment of early laryngeal cancer is complete oncological cure and simultaneously voice and swallowing preservation. According to the European Laryngological Society (ELS) classification of CO2 laser cordectomy, full voice recovery is seen in subepithelial cordectomy (ELS Type I ) and near complete in subligamental cordectomy (ELS type II). Voice deterioration is usually seen after more extensive levels of cordectomy (ELS types III-V). Voice quality after microsurgical laser cordectomy depends on the presence or absence of synechiae in the anterior commissure and on the quantity of the removed thyro-arytenoid muscle. More extensive reduction of the vocal muscle quantity causes more intensive glottic incompetence. Contralateral healthy vocal fold, rudimentary, cicatrixial previously operated vocal fold and false ventricular folds may take part in postoperative supraglottic voice compensation. All patients should undergo speech and voice therapy after terminating the scaring process on the operated vocal fold. Patients routinely undergo a minimum of 6 months of voice rehabilitation which allows speech therapy to yield the best possible voice. Phonosurgical techniques i.e. medialization thyroplasty, augmentation techniques, Zeitels’s laryngoplasty or Lichtenberger’s technique in treatment of synechia in the anterior commissure are successfully performed to restore the vocal competence. Voice preservation after treatment of early laryngeal cancer of the vocal fold improves life quality of the patient.
    Źródło:
    Polski Przegląd Otorynolaryngologiczny; 2017, 6, 1; 48-57
    2084-5308
    2300-7338
    Pojawia się w:
    Polski Przegląd Otorynolaryngologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Perceptual and acoustic voice analysis in patients with glottis cancer after endoscopic laser cordectomy
    Autorzy:
    Kosztyła-Hojna, Bożena
    Łuczaj, Jarosław
    Berger, Greta
    Duchnowska, Emilia
    Zdrojkowski, Maciej
    Łobaczuk-Sitnik, Anna
    Biszewska, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/1397318.pdf
    Data publikacji:
    2020
    Wydawca:
    Index Copernicus International
    Tematy:
    laser cordectomy
    glottis cancer
    voice quality
    voice acoustic analysis
    Opis:
    Introduction: Treatment of glottis cancer, despite oncological safety, should consider postoperative voice quality. CO2 laser endoscopic cordectomy allows radical removal of the tumor while maintaining respiratory, defensive and phonatory functions. The aim: The aim of the study is perceptual and acoustic evaluation of voice in patients after endoscopic CO2 III–Va laser cordectomy due to glottis cancer. Material and method: The study included 30 men after CO2 cordectomy. 13 (43%) patients underwent type III cordectomy, 6 (20%) – type IV; 11 (37%) – type Va. Voice quality has been assessed 6 months after the surgery. Control group included 30 healthy men of the same age. GRBAS scale has been used in perceptual evaluation of voice. Acoustic analysis has been performed using DiagnoScope Specjalista software. Narrowband spectrography and Maximum Phonation Time (MPT) measure has been performed. Results: In study group, voice has been classified as G1R1B0A0S0 after type III cordectomy; as G1R1B1A1S2 in type IV and as G2R1B1A0S3 in type Va. Acoustic evaluation revealed the highest values of F0, Jitter, Shimmer and NHR after Va cordectomy as well as non-harmonic components in narrowband spectrography and reduction of MPT. Conclusions: Postoperative voice quality depends on the type of cordectomy. Perceptual assessment indicates that type IV and Va cordectomy cause intensification of voice disorders. Parameters of acoustic evaluation increase with the extent of the procedure. The presence of non-harmonic components in narrowband spectrography increases with the extent of cordectomy, such as the reduction of MPT. Preservation of anterior commissure influences good voice quality in perceptual and acoustic assessment.
    Źródło:
    Polish Journal of Otolaryngology; 2020, 74, 3; 23-28
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Medialization thyroplasty in glottis insufficiency due to unilateral vocal fold paralysis and after laser cordectomies – preliminary report
    Autorzy:
    Rzepakowska, Anna
    Osuch-Wójcikiewicz, Ewa
    Sielska-Badurek, Ewelina
    Niemczyk, Kazimierz
    Powiązania:
    https://bibliotekanauki.pl/articles/1398469.pdf
    Data publikacji:
    2017
    Wydawca:
    Index Copernicus International
    Tematy:
    thyroplasty
    unilateral vocal fold paralysis
    cordectomy
    glottis insufficiency
    voice quality
    Opis:
    Medialization thyroplasty (type I) is surgical procedure performed on the thyroid cartilage. The major indication for this surgery is significant glottis insufficiency due to unilateral vocal fold paresis. However the proce¬dure is also performed after vocal fold resections during cordectomy. The aim: The evaluation of voice results in patients after medialisation throplasty. Material and methods: In Otolaryngology Department of Medical University of Warsaw there were performed so far 8 thyroplasty procedures under local anaesthesia with implantation of medical silicon protesis. 6 patients had unilat¬eral vocal fold paresis and the rest two underwent in the past laser cordectomy due to T1a vocal carcinoma. Results: There were no complications during and post the surgery. The follow up examination in 1st , 3rd, 6th i 12th months postoperatively revealed for all patients significant improvement of glottal closure in laryngeal videostrobos¬copy. The voice quality improved both in perceptual evaluation (GRBAS scale) and acoustic analysis (F0, jitter, shim¬mer, NHR) in both patients groups. However the rate of improvement was much more significant in group with uni¬lateral vocal fold paresis. In all patients the maximum phonation time (MPT) increased. The self-evaluation of voice quality with Voice Handicap Index questionnaire confirmed also individual improvement. Conclusions: The speech rehabilitations is not successful in each patient with glottis insufficiency. The medialisation thyroplasty remains the standard procedure for permanent improvement of voice quality in those cases.
    Źródło:
    Polish Journal of Otolaryngology; 2017, 71, 1; 22-29
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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