NCT Number: NCT04416685
In this retrospective study, we recorded the location of pancreatic tumors and relation/proximity to the portal vein. The surgical difficulty and requirement of additional interventions were also evaluated.
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All sexes
Interventional
Not applicable
Between May 2014 and October 2018, all patients who underwent PD procedure were retrospectively reviewed. This retrospective cohort study identified all consecutive patients with T3 (stage IIA to III) adenocarcinoma of the head of the pancreas, who underwent concomitant venous (PV/SMV) resection. Those patients with locally advanced tumors that were not responded to neoadjuvant therapy were excluded. The local ethical committee was approved this study.
Data collection included demographical features, tumor characteristics including the PV level of the tumor considering computed tomography results, neoadjuvant therapy, surgical data, hospital stay, morbidity and mortality.
Anatomical classification was established based on the relationship between portal confluence (PC) and tumor location (Figure I). Those tumors located superior to the PC were classified as Level I, whereas tumors on the confluence inferiorly located to PC were classified as Level II and Level III.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
For Level I-II tumors, in case of segmental resection of PV/SMV, the reconstruction was performed by an end-to-end anastomosis either by direct suture (for defect under 2 cm) or by using an interposition venous or prosthetic graft. For this purpose, autologous grafting we used internal jugular vein and cadaveric iliac vein and alternatively, synthetic PTFE graft was also used.
For Level I-II tumors, in case of segmental resection of PV/SMV, the reconstruction was performed by an end-to-end anastomosis either by direct suture (for defect under 2 cm) or by using an interposition venous or prosthetic graft. For this purpose, autologous grafting we used internal jugular vein and cadaveric iliac vein and alternatively, synthetic PTFE graft was also used.
Other names: primary repair
Regarding Level III tumors, complete resection of the tumor was done either by tangential excision or by partial venous excision and subsequent reconstruction. To maintain a secure anastomosis, the mesenteric root was mobilized completely or/and splenic vein was divided.
Other names: segmental resection
Time frame: up to one month
surgical complications observed during both operative and postoperative period
Time frame: up to one month
the time between the day of surgery and hospital discharge
Time frame: up to two months
any mortality after/during surgery in the initial hospital stay
Sisli Hamidiye Etfal Training and Research Hospital
Other
A New Anatomical Classification of Portal Venous Involvement in Locally Advanced Pancreatic Cancer to Predict the Surgical Difficulty
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