Prognostic significance of low muscle volume in patients undergoing surgery for oesophageal cancer

Arfon Powell, Mubashir Mulla, Catherine Eley, Neil Patel, Tarig Abdelrahman, Paul Blake, Rachael Barlow, Damian Bailey, Wyn Griffith Lewis

Research output: Contribution to journalArticlepeer-review

Abstract

Background & aims: This study aimed to determine the prognostic significance of low muscle volume (LMV) Bioelectrical Impedance Analysis (BIA), defined skeletal muscle index (SMI, Kg/m2 male ≤8.75, female ≤5.75) in patients undergoing potentially curative surgery for Oesophageal Cancer (OC).

Methods: A prospective study of 122 patients diagnosed with OC [median age 65 yr, 104 male, 65 neoadjuvant therapy] who underwent preoperative BIA (Maltron Bioscan 920). Primary outcome measure was Overall Survival (OS).

Results: LMV was identified in 11 (9.0%) of patients, which was associated with low lean muscle mass (27.3 vs. 31.1 kg, p = 0.012), low body fat (8.8 vs.19.3 kg, p < 0.001), and greater total body water (72.2 vs. 62.2%, p = 0.001), and more open & close laparotomies (36.4 vs. 8.1%, p = 0.012). Median and 5-year OS was 16 months and 18.2% in LMV patients, compared with 51 months and 52.4% in non-sarcopenic patients (p = 0.002). On multivariable analysis of pre-operative variables, only LMV (HR 2.75; 95% CI 1.33–5.66, p = 0.006) was associated with OS.

Conclusion: BIA is an important prognostic indicator in OC and focused pre-habilitation consequently has strong potential.
Original languageEnglish
Pages (from-to)220-225
Number of pages6
JournalClinical Nutrition ESPEN
Volume40
DOIs
Publication statusPublished - Dec 2020

Keywords

  • oesophageal cancer
  • mobidity
  • low muscle volume
  • survival

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