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  • 1
    Electronic Resource
    Electronic Resource
    Factors influencing survival after endoscopic Nd:YAG laser surgery for unresectable advanced malignancies of the trachea (1992)
    Springer
    Surgery today 22 (1992), S. 24-28 
    Details
    ISSN: 1436-2813
    Keywords: bronchofiberscopy ; Nd:YAG laser surgery ; lung cancers ; tracheal malignancies ; tracheal stenosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of endoscopic Nd:YAG laser surgery were studied in 36 patients with unresectable advanced primary and metastatic malignancies in the trachea with special reference to the factors influencing long-term survival. Overall effectiveness of YAG laser treatment was demonstrated in 34 of the 36 patients (94 per cent), while the overall 1, 3 and 5 year survival rates after the first laser treatment were 25 per cent, 13 per cent and 13 per cent, respectively. Neither histologic type nor the severity of clinical symptoms before laser treatment showed any significant influence on the survival curves, however, endoscopic findings of stenosis, the effect of laser treatment and irradiated longitudinal length were all significantly correlated with the survival curves. In other words, endoscopically protruding type tumors with a longitudinal length of irradiation of 3.0 cm or less, and good responses not only to laser treatment but also to other combined modalities are favorable factors for achieving long-term survival in patients with tracheobronchial malignancies undergoing endoscopic Nd:YAG laser treatment. Endoscopic Nd:YAG laser surgery is considered to be a promising part of the multi-modality treatment for unresectable advanced primary and metastatic malignancies of the trachea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326121
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Endoscopic Nd:YAG laser surgery on malignant and benign lesions of the trachea and carina (1990)
    Springer
    Surgery today 20 (1990), S. 650-659 
    Details
    ISSN: 1436-2813
    Keywords: Nd:YAG laser surgery ; bronchofiberscopy ; tracheal stenosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A total of 47 patients with malignant and benign lesions in the trachea and carina were used to demonstrate the effectiveness of endoscopic Nd:YAG laser surgery. The histology consisted of 37 malignant and 10 benign lesions, and 23 of the patients had severe symptoms with laser surgery being performed as a lifesaving emergency. Endoscopic Nd:YAG laser treatment was able to dilate the tracheal calibers from, 2.6±0.9 mm to 6.1±1.4 mm in the emergency cases with a remarkable effect and brought relief from wheezing and dyspnea, with an objective improvement of more than 25 per cent in peak expiratory flow rate being demonstrated. Furthermore, the tracheal diameters were able to be dilated from about 7 mm to 10 mm in the non-emergency cases. A remarkable effect was achieved in patients with intraluminal or mixed types of tumors among both the emergency and non-emergency cases. The survival rates of the emergency patients in whom a remarkable effect was achieved were definitely better than those in whom only fair or poor effects were achieved and, in the non-emergency cases, similar results were demonstrated. In conclusion, the application of endoscopic Nd:YAG laser surgery to tracheal stenotic diseases has an instantaneous and definite effect on luminal dilatation and shows significance as a lifesaving procedure. Moreover, the resultant improvement in the patients' general condition could make it possible for them to undergo other combined therapy and prolong their life span. Endoscopic Nd:YAG laser surgery is thus considered to be a very effective and established procedure for the treatment of tracheal stenotic lesions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471028
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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