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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Lembeck, AL; Posch, F; Klocker, EV; Szkandera, J; Schlick, K; Stojakovic, T; Kornprat, P; Lackner, C; Gerger, A; Stoeger, H; Stotz, M; Pichler, M.
Large platelet size is associated with poor outcome in patients with metastatic pancreatic cancer.
Clin Chem Lab Med. 2019; 57(5):740-744 Doi: 10.1515/cclm-2018-0016
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Führende Autor*innen der Med Uni Graz
Lembeck Anna Lena
Pichler Martin
Co-Autor*innen der Med Uni Graz
Gerger Armin
Klocker Eva Valentina
Kornprat Peter
Lackner Karoline
Posch Florian
Schlick Konstantin
Stöger Herbert
Stojakovic Tatjana
Stotz Michael
Szkandera Joanna

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Background Platelets are a major cellular component of blood and their interaction with cancer cells is well-established to influence cancer progression and metastases. The physical size of platelets may have a critical impact on the interaction with cancer cells. In this study, we explored the potential prognostic role of platelet size measured by the determination of the mean platetlet volume (MPV) in patients with pancreatic ductal adenocarcinoma (PDAC). Methods Data from 527 patients with PDAC diagnosed and treated between 2004 and 2015 at a single center were evaluated retrospectively. Associations between MPV and baseline covariates were assessed with Wilcoxon's rank-sum tests, χ2-tests, and Fisher's exact tests. Median follow-up was estimated with a reverse Kaplan-Meier estimator according to Schemper and Smith. Analysis of time-to-death was performed with Kaplan-Meier estimators, log-rank tests and uni- and multivariable Cox proportional hazards models. Results The median MPV was 10.5 femto liter (fL) [9.8-11.3], ranged from 5.9 to 17.7 fL. A large platelet volume was associated with high-grade G3/4 tumors (p=0.004) and worse overall survival (OS) in patients with metastatic disease in univariable analysis (hazard ratio [HR] per fL increase in MPV=1.13 [95% CI: 1.04-1.23, p=0.005]). In multivariable analysis of metatatic PDAC patients, the adverse association between large platelets and a higher risk-of-death prevailed (adjusted HR per doubling of MPV=2.00; 95% CI: 1.10-3.62, p=0.02). Conclusions Large platelets represent a negative prognostic factor and add an independent prognostic information to well-established factors in PDAC patients. MPV should be considered for future individual risk assessment in patients with stage IV PDAC.
Find related publications in this database (using NLM MeSH Indexing)
Aged - administration & dosage
Blood Platelets - pathology
Carcinoma, Pancreatic Ductal - blood, diagnosis, mortality
Female - administration & dosage
Humans - administration & dosage
Kaplan-Meier Estimate - administration & dosage
Male - administration & dosage
Mean Platelet Volume - administration & dosage
Middle Aged - administration & dosage
Pancreatic Neoplasms - blood, diagnosis, mortality
Prognosis - administration & dosage
Proportional Hazards Models - administration & dosage
Retrospective Studies - administration & dosage

Find related publications in this database (Keywords)
mean platelet volume
metastatic pancreatic cancer
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