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Published in: Annals of Surgical Oncology 2/2021

01-02-2021 | Head and Neck Oncology

Time to Surgery and Survival in Head and Neck Cancer

Authors: Chandler J. Rygalski, BS, Songzhu Zhao, MS, Antoine Eskander, MD, ScM, Kevin Y. Zhan, MD, Edmund A. Mroz, PhD, Guy Brock, PhD, Dustin A. Silverman, MD, Dukagjin Blakaj, MD, PhD, Marcelo R. Bonomi, MD, Ricardo L. Carrau, MD, MBA, Matthew O. Old, MD, James W. Rocco, MD, PhD, Nolan B. Seim, MD, Sidharth V. Puram, MD, PhD, Stephen Y. Kang, MD

Published in: Annals of Surgical Oncology | Issue 2/2021

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Abstract

Background

The COVID-19 pandemic has required triage and delays in surgical care throughout the world. The impact of these surgical delays on survival for patients with head and neck squamous cell carcinoma (HNSCC) remains unknown.

Methods

A retrospective cohort study of 37 730 patients in the National Cancer Database with HNSCC who underwent primary surgical management from 2004 to 2016 was performed. Uni- and multivariate analyses were used to identify predictors of overall survival. Bootstrapping methods were used to identify optimal time-to-surgery (TTS) thresholds at which overall survival differences were greatest. Cox proportional hazard models with or without restricted cubic splines were used to determine the association between TTS and survival.

Results

The study identified TTS as an independent predictor of overall survival (OS). Bootstrapping the data to dichotomize the cohort identified the largest rise in hazard ratio (HR) at day 67, which was used as the optimal TTS cut-point in survival analysis. The patients who underwent surgical treatment longer than 67 days after diagnosis had a significantly increased risk of death (HR, 1.189; 95% confidence interval [CI], 1.122–1.261; P < 0.0001). For every 30-day delay in TTS, the hazard of death increased by 4.6%. Subsite analysis showed that the oropharynx subsite was most affected by surgical delays, followed by the oral cavity.

Conclusions

Increasing TTS is an independent predictor of survival for patients with HNSCC and should be performed within 67 days after diagnosis to achieve optimal survival outcomes.
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Literature
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Metadata
Title
Time to Surgery and Survival in Head and Neck Cancer
Authors
Chandler J. Rygalski, BS
Songzhu Zhao, MS
Antoine Eskander, MD, ScM
Kevin Y. Zhan, MD
Edmund A. Mroz, PhD
Guy Brock, PhD
Dustin A. Silverman, MD
Dukagjin Blakaj, MD, PhD
Marcelo R. Bonomi, MD
Ricardo L. Carrau, MD, MBA
Matthew O. Old, MD
James W. Rocco, MD, PhD
Nolan B. Seim, MD
Sidharth V. Puram, MD, PhD
Stephen Y. Kang, MD
Publication date
01-02-2021
Publisher
Springer International Publishing
Published in
Annals of Surgical Oncology / Issue 2/2021
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-020-09326-4

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