Efficacy of Peak Hounsfield Units of the Visceral Fat Area in Predicting Postoperative Complications after Pancreaticoduodenectomy.

Abstract:

BACKGROUND:Morbidity following pancreaticoduodenectomy (PD) has been reported to remain high. This study sought to measure the peak Hounsfield units (HUs) of visceral attenuation in patients undergoing PD and to assess the quality of adipocytes by comparing these measurements with perioperative factors. METHODS:Patients undergoing PD were retrospectively identified (n = 108). Abdominal perimeter, subcutaneous fat area (SFA), visceral fat area (VFA), and peak HU of the VFA were measured. Logistic regression analysis was used to identify independent predictors of postoperative pancreatic fistula (POPF) or complications. Histopathological examination was performed for qualitative diagnosis of the stromal tissue. RESULTS:The overall rate of POPF was 16%, and severe complications occurred in 23% of the cases. A criterion for peak HU of the VFA only independently predicted POPF (p = 0.007) in the multivariate analysis. A criterion for peak HU of the VFA (p = 0.015) was associated with an increased rate of postoperative severe complications in the univariate analysis. The peak HU of the VFA was significantly correlated with abdominal perimeter (p < 0.001) and VFA (p < 0.001). The peak HU of the VFA was significantly correlated with adipocyte diameter (p < 0.001) and the ratio of stromal connective tissue area around the adipocytes (p < 0.001). CONCLUSION:The peak HU of the VFA was an independent factor contributing to severe complications, including POPF after PD. It reflects the amount of stromal connective tissue around the adipocytes.

journal_name

Dig Surg

journal_title

Digestive surgery

authors

Hikita K,Chiba N,Nakagawa M,Koganezawa I,Yokozuka K,Kobayashi T,Sano T,Tomita K,Tsutsui R,Hirano H,Kawachi S

doi

10.1159/000505060

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

331-339

issue

4

eissn

0253-4886

issn

1421-9883

pii

000505060

journal_volume

37

pub_type

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