Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.] · 2024
Pancreatic extracellular volume fraction on routine contrast-enhanced computed tomography can predict pancreatic fibrosis and postoperative pancreatic fistula.
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Sasaki Takahide, Takayama Yukihisa, Tanaka Shinji, Hamada Yoshihiro, Nakashima Ryo, Naito Shigetoshi, Kajiwara Masatoshi, Hasegawa Suguru
Аннотация
BACKGROUND/OBJECTIVES: Postoperative pancreatic fistula (POPF) is a critical complication of pancreatectomy, with a higher risk associated with the absence of pancreatic fibrosis. We investigated whether pancreatic extracellular volume fraction (ECV) calculated from preoperative contrast-enhanced computed tomography (CE-CT) images can be used to predict pancreatic fibrosis and POPF.
METHODS: This retrospective study included patients who underwent CE-CT before pancreatectomy. ECV map was created by subtracting unenhanced from equilibrium-phase images. We assessed the relationship between pancreatic ECV, the histopathological grade of fibrosis at the pancreatic resection margin, and the occurrence of POPF.
RESULTS: Among the 107 patients included, 66 underwent pancreaticoduodenectomy (PD) and 41 underwent distal pancreatectomy (DP). The median ECV at the pancreatic resection margin was 22.5 %. Pancreatic ECV significantly correlated with the histopathological grade of pancreatic fibrosis (ρ = 0.689; p < 0.001). In PD cases, the ECV was an independent risk factor for all-grade POPF (odds ratio, 0.852; 95 % confidence interval, 0.755-0.934), with excellent predictive capability (area under the curve, 0.912; 95 % confidence interval, 0.842-0.983). In DP cases, pancreatic thickness was the only factor associated with all-grade POPF.
CONCLUSIONS: Pancreatic ECV obtained from routine CE-CT images accurately predicted the histopathological grade of pancreatic fibrosis and was an independent risk factor for POPF after PD.
METHODS: This retrospective study included patients who underwent CE-CT before pancreatectomy. ECV map was created by subtracting unenhanced from equilibrium-phase images. We assessed the relationship between pancreatic ECV, the histopathological grade of fibrosis at the pancreatic resection margin, and the occurrence of POPF.
RESULTS: Among the 107 patients included, 66 underwent pancreaticoduodenectomy (PD) and 41 underwent distal pancreatectomy (DP). The median ECV at the pancreatic resection margin was 22.5 %. Pancreatic ECV significantly correlated with the histopathological grade of pancreatic fibrosis (ρ = 0.689; p < 0.001). In PD cases, the ECV was an independent risk factor for all-grade POPF (odds ratio, 0.852; 95 % confidence interval, 0.755-0.934), with excellent predictive capability (area under the curve, 0.912; 95 % confidence interval, 0.842-0.983). In DP cases, pancreatic thickness was the only factor associated with all-grade POPF.
CONCLUSIONS: Pancreatic ECV obtained from routine CE-CT images accurately predicted the histopathological grade of pancreatic fibrosis and was an independent risk factor for POPF after PD.