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Comparison between short-term and long-term post-operative evaluation of sleep apnoea after uvulopalatopharyngoplasty

  • Shao-Jung Lu (a1), Shyue-Yih Chang (a1) and Guang-Ming Shiao (a2)

Abstract

For a long time uvulopalatopharyngoplasty (UPPP) has been used to treat the obstructive sleep apnoea syndrome (OSAS). The diverse surgical effects, the inadequate understanding of operation effect consistency, the possibility of disease progression, and the few reported papers for long-term evaluation after UPPP aroused our interest in designing this study. Fifteen OSAS patients who had undergone UPPP with pre-operative, initial post-operative and long-term post-operative polysomnographic studies were included in this study. Long-term post-operative polysomnography was undertaken more than five years after surgery. The polysomnographic evaluations included respiratory disturbance index (RD I), duration of saturation SaO2 <85 per cent (DOS), and the lowest O2 saturation (LOS). Amongst them, 10 patients with initial post-operative RDI reduction > 50 per cent were considered responders. In these responders, the long-term follow-up results of all three parameters showed improvement compared to the preoperative data. In a comparison between the initial and long-term post-operative sleep study results, LOS and DOS showed no significant difference. However, the long-term post-operative RDI result became significantly worse. More than 80 per cent of all cases had subjective symptomatic improvement in the long-term post-operative evaluation. The subjective improvement after operation is not adequately correlated to the polysomnographic result. We suggest that long-term follow-up for patients after UPPP is necessary.

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Corresponding author

Address for correspondence: Professor Shyue-Yih Chang, M.D., Department of Otolaryngology. National Yang Ming Medical College. Veterans General Hospital, Taipei, Taiwan. Fax: 011-886-2-8757331

References

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Comparison between short-term and long-term post-operative evaluation of sleep apnoea after uvulopalatopharyngoplasty

  • Shao-Jung Lu (a1), Shyue-Yih Chang (a1) and Guang-Ming Shiao (a2)

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