eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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1/2021
vol. 16
 
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abstract:
Original paper

Psoas density – an optimal sarcopaenic indicator associated with postoperative complications after colorectal resection for cancer?

Anna Pekařová
1, 2
,
Matej Pekař
1, 3
,
Marek Soltes
4
,
Lucia Havrlentová
3
,
Tereza Chovancová
3, 5

1.
Department of Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
2.
Lung Disease Department, Faculty Hospital, Ostrava, Czech Republic
3.
Department of Surgery, Vitkovice Hospital, Ostrava, Czech Republic
4.
1st Department of Surgery, University of Pavol Jozef Safarik, Kosice, Slovak Republic
5.
Department of Surgery, Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
Videosurgery Miniinv 2021; 16 (1): 91–97
Online publish date: 2020/11/13
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Introduction
Sarcopaenia seems to be predictive factor for postoperative morbidity and mortality after colorectal resection for cancer. Nevertheless, an ideal sarcopaenic indicator is still to be identified.

Aim
To evaluate computed tomography (CT) measured total abdominal muscle area (TAMA), total psoas muscle area (TPA), and psoas density (PD) – previously described sarcopaenia indicators – as possible risk factors for postoperative complications in patients after curative colon and rectal resections for colorectal cancer.

Material and methods
Consecutive patients after elective curative colon or rectal resection for cancer at a single institution were divided into cohorts with uncomplicated postoperative course or complications Clavien-Dindo grade I-II (Cl-Di 0-II) and complications Clavien-Dindo grade III-V (Cl-Di III-V). Cohorts were statistically tested for significant differences in TAMA, TPA, and PD calculated from preoperative staging CT scans at the level of the third lumbar vertebra.

Results
Data of 112 patients were analysed from a prospectively run database; 65 underwent colon and 47 rectal resections. PD was significantly higher in the Cl-Di 0-II cohort compared to the Cl-Di III-V for both colon (42.67 ±6.52 vs. 40.11 ±7.57 HU, p = 0.002) and rectal resections (44.08 ±5.86 vs. 43.03 ±5.70HU, p = 0.016). TAMA and TPA failed to show significant differences.

Conclusions
Psoas density is significantly decreased in patients with Clavien-Dindo grade III-V complications after curative resection for colon and rectal cancer. Due to the simplicity and affordability of its assessment from preoperative staging CT scan, it might be considered an optimal sarcopaenic indicator to be utilised in everyday practice.

keywords:

complications, colorectal cancer, computed tomography, sarcopaenia, psoas density

  
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