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01.04.2013 | Original Article

Postoperative failure of platelet recovery is an independent risk factor for poor survival in patients with oral and oropharyngeal cancer

verfasst von: Christos Perisanidis, Martina Mittlböck, Alexandra Schoppmann, Gabriela Kornek, Patrick Starlinger, Anton Stift, Edgar Selzer, Christian Schopper, Rolf Ewers

Erschienen in: Clinical Oral Investigations | Ausgabe 3/2013

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Abstract

Objective

The aim of this study was to evaluate the postoperative platelet count changes in patients with oral and oropharyngeal squamous cell carcinoma undergoing preoperative chemoradiotherapy in order to test the hypothesis that the failure of platelets to recover to normal range within 7 days after surgery represents a significant risk factor for poor survival.

Materials and methods

A cohort of 102 patients with primary locally advanced oral and oropharyngeal squamous cell carcinoma undergoing neoadjuvant chemoradiotherapy and surgery was retrospectively analyzed. For each patient, platelet counts were evaluated prior to neoadjuvant treatment, prior to surgery and throughout postoperative days 1 to 7. The Kaplan–Meier method and Cox regression models were used to assess the impact of platelet count changes on survival.

Results

Overall survival rate at 5 years was 28 % for patients whose platelets did not recover by day 7, with 52 % for patients whose platelets remained within a normal level or recovered to this by day 7 (p = 0.005). In multivariate analysis, failure of platelet recovery by day 7 was independently associated with shorter overall survival (p = 0.03).

Conclusions

We demonstrated that the failure of platelets to recover to normal range by the seventh postoperative day is an independent adverse prognostic factor in patients with oral and oropharyngeal cancer undergoing neoadjuvant treatment and surgery.

Clinical relevance

Our results indicate that physicians should pay closer attention to monitoring the postoperative platelet count course, as it may predict the clinical outcome of patients with oral and oropharyngeal cancer.

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Titel: Postoperative failure of platelet recovery is an independent risk factor for poor survival in patients with oral and oropharyngeal cancer
verfasst von: Christos Perisanidis
Martina Mittlböck
Alexandra Schoppmann
Gabriela Kornek
Patrick Starlinger
Anton Stift
Edgar Selzer
Christian Schopper
Rolf Ewers
Publikationsdatum: 01.04.2013
Verlag: Springer-Verlag
Erschienen in: Clinical Oral Investigations / Ausgabe 3/2013
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-012-0755-8

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Postoperative failure of platelet recovery is an independent risk factor for poor survival in patients with oral and oropharyngeal cancer