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Time interval between (chemo)radiotherapy and subsequent laryngectomy is not prognostic for post operative
Thomas F Pézier1, Johannes A Rijken2, Bernard M Tijink2
1Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands. tfrpezier@gmail.com.
Purpose:
Pharyngocutaneous fistula (PCF) formation and swallowing difficulties are common and troublesome complications following total laryngectomy (TL). Prior (chemo)radiotherapy ((C)RT) is thought to be a risk factor for these complications, but there is conflicting evidence as to whether the time interval between (C)RT and TL is important. The impact of time interval on these complications and also its impact on overall survival are investigated.
Methods:
This is a retrospective case note review of all patients undergoing TL at the University Medical Center, Utrecht, The Netherlands over the 10-year period from January 2008 to December 2017. The cohort was split into those who underwent TL within a year of finishing (C)RT and those longer than 1 year.
Results:
One hundred and twenty-six patients (108 males, 18 females), with a mean age of 66 underwent total laryngectomy after prior (C)RT in the study period. Overall 5-year survival was 35% with a median follow-up of 30 months. Fifty-four patients underwent laryngectomy within a year of their (C)RT versus 72 patients who had a time interval of more than one year. No differences in PCF rate, risk of dilatation or overall survival could be found between the two groups.
Conclusions:
In this modern cohort, time interval between (C)RT and surgery did not impact PCF rate, risk of dilatation or overall survival.
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