Sarcopenia as a Predictor of Survival in Patients with Pancreatic Adenocarcinoma After Pancreatectomy

Hadass Rom, Shlomit Tamir, Jeroen L.A. Van Vugt, Yael Berger, Gali Perl, Sara Morgenstern, Ana Tovar, Baruch Brenner, Daniel Benchimol, Hanoch Kashtan, Eran Sadot*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Objective: To determine whether sarcopenia can potentially predict worse survival after resection of pancreatic ductal adenocarcinoma. Background: Sarcopenia is correlated with poor outcomes in hepatopancreatobiliary malignancies, but the relationship of both its qualitative and quantitative features with patient survival after pancreatectomy has not been investigated in a western population. Patients and Methods: Preoperative cross-sectional computed tomography scans of consecutive patients who underwent pancreatectomy in 2005–2017 were evaluated for skeletal muscle index (SMI), intramuscular adipose tissue content (IMAC), and visceral-to-subcutaneous adipose tissue area ratio (VSR). Sex-specific categorical cut-offs were determined. Findings were correlated with outcome. Results: The study included 111 patients, 47% of whom were female, with a median age of 67 years (range: 35–87 years), and median body mass index of 23 kg/m2 (range: 16–40 kg/m2); 77% had a Whipple procedure and 66% received adjuvant chemotherapy. Low SMI correlated with poor overall survival (OS) (P = 0.007), disease-specific survival (DSS) (P = 0.006), and recurrence-free survival (RFS) (P = 0.01). High IMAC correlated with poor OS (P = 0.04). Patients with high IMAC tended to have a shorter DSS (P = 0.09), with no correlation with RFS (P = 0.6). VSR was not associated with survival. Multivariable analysis yielded an independent association of low SMI with OS (HR = 1.7, 95%CI: 1.1–2.8, P = 0.02), DSS (HR = 1.8, 95%CI: 1.03–3.2, P = 0.04), and RFS (HR = 1.8, 95%CI: 1.1–2.8, P = 0.01), and of high IMAC with OS (HR = 1.9, 95%CI: 1.1–3.1, P = 0.01). Conclusion: Both qualitative and quantitative measures of skeletal muscle were independently associated with impaired survival in patients with resectable PDAC. Sarcopenia might serve as an early radiographic surrogate of aggressive tumor behavior, with potential implications for clinical decision-making and future study.

Original languageEnglish
Pages (from-to)1553-1563
Number of pages11
JournalAnnals of Surgical Oncology
Volume29
Issue number3
DOIs
StatePublished - Mar 2022

Keywords

  • Intramuscular adipose tissue
  • Pancreatectomy
  • Pancreatic ductal adenocarcinoma
  • Sarcopenia
  • Skeletal muscle
  • Survival
  • Visceral adipose tissue subcutaneous adipose tissue

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