Outcomes After Minimally Invasive Versus Open Total Pancreatectomy: A Pan-European Propensity Score Matched Study.

OBJECTIVE: To assess postoperative 90-day outcomes after minimally invasive (laparoscopic/robot-assisted) total pancreatectomy (MITP) in selected patients versus open total pancreatectomy (OTP) among European centers. BACKGROUND: Minimally invasive pancreatic surgery is becoming increasingly popular but data on MITP are scarce and multicenter studies comparing outcomes versus OTP are lacking. It therefore remains unclear if MITP is a valid alternative. METHODS: Multicenter retrospective propensity-score matched study including consecutive adult patients undergoing MITP or OTP for all indications at 16 European centers in 7 countries (2008-2017). Patients after MITP were matched (1:1, caliper 0.02) to OTP controls. Missing data were imputed. The primary outcome was 90-day major morbidity (Clavien-Dindo ≥3a). Secondary outcomes included 90-day mortality, length of hospital stay, and survival. RESULTS: Of 361 patients (99MITP/262 OTP), 70 MITP procedures (50 laparoscopic, 15 robotic, 5 hybrid) could be matched to 70 OTP controls. After matching, MITP was associated with a lower rate of major morbidity (17% MITP vs. 31% OTP, P = 0.022). The 90-day mortality (1.4% MITP vs. 7.1% OTP, P = 0.209) and median hospital stay (17 [IQR 11-24] MITP vs. 12 [10-23] days OTP, P = 0.876) did not differ significantly. Among 81 patients with PDAC, overall survival was 3.7 (IQR 1.7-N/A) versus 0.9 (IQR 0.5-N/ A) years, for MITP versus OTP, which was nonsignificant after stratification by T-stage. CONCLUSION: This international propensity score matched study showed that MITP may be a valuable alternative to OTP in selected patients, given the associated lower rate of major morbidity.

Robot-Assisted Versus Laparoscopic Distal Pancreatectomy in Patients with Resectable Pancreatic Cancer: An International, Retrospective, Cohort Study.

BACKGROUND: Robot-assisted distal pancreatectomy (RDP) is increasingly used as an alternative to laparoscopic distal pancreatectomy (LDP) in patients with resectable pancreatic cancer but comparative multicenter studies confirming the safety and efficacy of RDP are lacking. METHODS: An international, multicenter, retrospective, cohort study, including consecutive patients undergoing RDP and LDP for resectable pancreatic cancer in 33 experienced centers from 11 countries (2010-2019). The primary outcome was R0-resection. Secondary outcomes included lymph node yield, major complications, conversion rate, and overall survival. RESULTS: In total, 542 patients after minimally invasive distal pancreatectomy were included: 103 RDP (19%) and 439 LDP (81%). The R0-resection rate was comparable (75.7% RDP vs. 69.3% LDP, p = 0.404). RDP was associated with longer operative time (290 vs. 240 min, p < 0.001), more vascular resections (7.6% vs. 2.7%, p = 0.030), lower conversion rate (4.9% vs. 17.3%, p = 0.001), more major complications (26.2% vs. 16.3%, p = 0.019), improved lymph node yield (18 vs. 16, p = 0.021), and longer hospital stay (10 vs. 8 days, p = 0.001). The 90-day mortality (1.9% vs. 0.7%, p = 0.268) and overall survival (median 28 vs. 31 months, p = 0.599) did not differ significantly between RDP and LDP, respectively. CONCLUSIONS: In selected patients with resectable pancreatic cancer, RDP and LDP provide a comparable R0-resection rate and overall survival in experienced centers. Although the lymph node yield and conversion rate appeared favorable after RDP, LDP was associated with shorter operating time, less major complications, and shorter hospital stay. The specific benefits associated with each approach should be confirmed by multicenter, randomized trials.

Use and outcome of minimally invasive pancreatic surgery in the European E-MIPS registry.

BACKGROUND: The European registry for minimally invasive pancreatic surgery (E-MIPS) collects data on laparoscopic and robotic MIPS in low- and high-volume centers across Europe. METHODS: Analysis of the first year (2019) of the E-MIPS registry, including minimally invasive distal pancreatectomy (MIDP) and minimally invasive pancreatoduodenectomy (MIPD). Primary outcome was 90-day mortality. RESULTS: Overall, 959 patients from 54 centers in 15 countries were included, 558 patients underwent MIDP and 401 patients MIPD. Median volume of MIDP was 10 (7-20) and 9 (2-20) for MIPD. Median use of MIDP was 56.0% (IQR 39.0-77.3%) and median use of MIPD 27.7% (IQR 9.7-45.3%). MIDP was mostly performed laparoscopic (401/558, 71.9%) and MIPD mostly robotic (234/401, 58.3%). MIPD was performed in 50/54 (89.3%) centers, of which 15/50 (30.0%) performed ≥20 MIPD annually. This was 30/54 (55.6%) centers and 13/30 (43%) centers for MIPD respectively. Conversion rate was 10.9% for MIDP and 8.4% for MIPD. Overall 90 day mortality was 1.1% (n = 6) for MIDP and 3.7% (n = 15) for MIPD. CONCLUSION: Within the E-MIPS registry, MIDP is performed in about half of all patients, mostly using laparoscopy. MIPD is performed in about a quarter of patients, slightly more often using the robotic approach. A minority of centers met the Miami guideline volume criteria for MIPD.

Investigation of intraoperative factors associated with postoperative pancreatic fistula following laparoscopic left pancreatectomy with stapled closure: a video review-based analysis : Video-review for predictors of pancreatic leak.

INTRODUCTION: Postoperative pancreatic fistula (POPF) following distal pancreatectomy (DP) remains the most frequent complication, potential precursor of more serious events, and mechanisms behind POPF development are not clear. Primary aim of the current study is to investigate correlations between patients' characteristics, including technical intraoperative data assessed by retrospective video review of laparoscopic DP (L-PD), and development of clinically relevant (CR-)POPF and major complication. METHODS: Patients undergoing L-DP whose surgery video was available for review were included in this study. Retrospective video review, performed by two surgeons blinded for postoperative outcomes, was focused on pancreatic neck transection and identification of pancreatic capsule disruption (PCD)/staple line bleeding (SLB). Correlation between clinical, demographic, and intraoperative factors and CR-POPF/major complications and assessment of factors associated with PCD and SLB were investigated. RESULTS: Of 41 L-DP performed at our institution (June 2015-June 2020) using a triple-row stapler (EndoGIA™ Reloads with Tri-Staple™), surgery video was available for 38 patients [men/women, 13/25; median age (range) 62 (25-84) years; median BMI (range) 24 (17-42)]. PCD and SLB occurred in 15(39%) and 19(50%) patients and were concomitant in 9(24%). CR-POPF and major complications occurred in 8(21%) and 12(31%) patients, respectively. PCD, SLB, and PCD + SLB rates were significantly higher among patients with CR-POPF, compared to patients without (all p < 0.05). Among patients with PCD, pancreatic thickness at pancreatic transection site was higher (19 mm), compared to non-PCD patients (13 mm, p < 0.001). A directly proportional relation between PCD, CR-POPF, and major complication rate and pancreatic thickness was confirmed by ROC analysis (AUC = 0.949, 0.798, and 0.740, respectively). CONCLUSION: PCD and SLB close to the staple line detected by retrospective video-review are intraoperatively detectable indicators of severe pancreatic traumatism and a potential precursors of CR-POPF following L-PD. Given the strict correlation between PCD and pancreatic thickness, alternative techniques to stapled closure for pancreatic transection may be recommended for patients with a thick pancreas and modification in postoperative care may be considered in patients with PCD/SLB.

Outcomes After Minimally-invasive Versus Open Pancreatoduodenectomy: A Pan-European Propensity Score Matched Study.

OBJECTIVE: To assess short-term outcomes after minimally invasive (laparoscopic, robot-assisted, and hybrid) pancreatoduodenectomy (MIPD) versus open pancreatoduodenectomy (OPD) among European centers. BACKGROUND: Current evidence on MIPD is based on national registries or single expert centers. International, matched studies comparing outcomes for MIPD and OPD are lacking. METHODS: Retrospective propensity score matched study comparing MIPD in 14 centers (7 countries) performing ≥10 MIPDs annually (2012-2017) versus OPD in 53 German/Dutch surgical registry centers performing ≥10 OPDs annually (2014-2017). Primary outcome was 30-day major morbidity (Clavien-Dindo ≥3). RESULTS: Of 4220 patients, 729/730 MIPDs (412 laparoscopic, 184 robot-assisted, and 130 hybrid) were matched to 729 OPDs. Median annual case-volume was 19 MIPDs (interquartile range, IQR 13-22), including the first MIPDs performed in 10/14 centers, and 31 OPDs (IQR 21-38). Major morbidity (28% vs 30%, P = 0.526), mortality (4.0% vs 3.3%, P = 0.576), percutaneous drainage (12% vs 12%, P = 0.809), reoperation (11% vs 13%, P = 0.329), and hospital stay (mean 17 vs 17 days, P > 0.99) were comparable between MIPD and OPD. Grade-B/C postoperative pancreatic fistula (POPF) (23% vs 13%, P < 0.001) occurred more frequently after MIPD. Single-row pancreatojejunostomy was associated with POPF in MIPD (odds ratio, OR 2.95, P < 0.001), but not in OPD. Laparoscopic, robot-assisted, and hybrid MIPD had comparable major morbidity (27% vs 27% vs 35%), POPF (24% vs 19% vs 25%), and mortality (2.9% vs 5.2% vs 5.4%), with a fewer conversions in robot-assisted- versus laparoscopic MIPD (5% vs 26%, P < 0.001). CONCLUSIONS: In the early experience of 14 European centers performing ≥10 MIPDs annually, no differences were found in major morbidity, mortality, and hospital stay between MIPD and OPD. The high rates of POPF and conversion, and the lack of superior outcomes (ie, hospital stay, morbidity) could indicate that more experience and higher annual MIPD volumes are needed.

Laparoscopic Radical Antegrade Modular Pancreatosplenectomy with Venous Tangential Resection: Focus on Periadventitial Dissection of the Superior Mesenteric Artery for Obtaining Negative Margin and a Safe Vascular Resection.

BACKGROUND: Due to its technical complexity, laparoscopic (L-) radical antegrade modular pancreatosplenectomy (RAMPS) for left-sided pancreatic ductal adenocarcinoma (PDAC) has been described in a few series.1-4 In addition, splenomesenteric junction tumor involvement is considered a formal contraindication to L-RAMPS. METHODS: The video shows posterior L-RAMPS with a left approach to the superior mesenteric artery (SMA) for a left-sided PDAC with suspected involvement of the splenomesenteric junction. RESULTS: The patient was a 61-year-old woman affected by a cT3N0M0 pancreatic body PDAC. Following dissection of the superior mesenteric vein (SMV), proper/common hepatic artery, and gastroduodenal artery, the pancreatic neck is encircled and the celiac trunk (CT) skeletonized. The treitz ligament is opened, and the SMA is identified and dissected on its left anterior margin. Pancreatic mobilization en bloc with the Gerota fascia and left adrenal gland is followed by splenic artery transection and suprapancreatic lymphadenectomy completion. The mesopancreas is dissected from the right margin of the SMA and CT and the pancreas is transected. The portal vein and SMV are cross-clamped and a venous tangential resection/closure is performed. Cryostate histological examination of the venous and pancreatic stumps showed absence of tumor cells. Final pathology revealed a pT2N0(0+/42)R0G2 PDAC of the pancreatic body. CONCLUSION: During L-RAMPS, periadvential SMA dissection through the left-anterior approach, specular to the right posterior SMA approach described for laparoscopic pancreatoduodenectomy,5,6 has a primary role in maximizing the vascular surgical margin and, allowing for complete mobilization of the specimen before vein resection, may make a splenomesenteric junction tangential resection/closure easier and safer in case of tumor involvement of the splenomesenteric venous axis.

Ileocolic invagination in adults: A totally minimally invasive endoscopic and laparoscopic staged approach.

Adult intussusception of the bowel is a rare clinical entity, and its management remains debated. The timing of treatment is not yet standardised, and no guidelines exist. We report a case of an 83-year-old woman presenting to the emergency department of our hospital with a history of increasing abdominal pain in the right iliac fossa. A contrast-enhanced computed tomography scan showed the presence of a large ileocolic intussusception with evidence of the terminal ileus invaginated within the right colon and the ileocolic vessels dragged and trapped into the intussusception. A colonoscopy confirmed the ileocolic invagination with a large right colonic lesion as leading point, and a partial pneumatic (carbon dioxide) and hydrostatic reduction was achieved. Subsequent laparoscopic right colectomy was performed according to oncological principles. A totally minimally invasive approach of this rare condition has been achieved but the literature lacks about the correct management of this entity.

Follow "the superior mesenteric artery": laparoscopic approach for total mesopancreas excision during pancreaticoduodenectomy.

BACKGROUND: The prognosis of patients affected by pancreatic adenocarcinoma and periampullary tumors is dismal, mainly due to aggressive tumor biology and low rate of resectability at the diagnosis. Among resectable patients, the quality of surgical resection, with a particular focus on the complete resection of the retropancreatic tissue (the so-called "mesopancreas") encircling the superior mesenteric artery (SMA), has a cardinal role. With this assumption, many pancreatic surgeons recommend periadventitial dissection of the SMA in order to obtain a total mesopancreas excision (TMpE), maximizing surgical margin and minimizing R1 resection rate. OBJECTIVE: To introduce our approaches for periadventitial dissection of the SMA, tailored to patient and tumor characteristics and aiming at obtaining a TMpE, during laparoscopic pancreatoduodenectomy (LPD). METHODS: Three different approaches for the SMA periadventitial dissection during LPD are described: the right, the right-left, and the anterior SMA-first approach. Indications, advantages, and technical aspects of each technique are reported, as well as pathologic results, particularly focusing on resection margin status and removed lymphnodes number, safety, and feasibility. RESULTS: Overall, R0 rate and number of lymphnodes retrieved were 86% and 26, respectively, without significant differences according to the SMA approach performed. Rate of conversion to laparotomy due to intraoperative bleeding during SMA dissection step was 6% (3/48) among patients who underwent the right SMA approach and nil among remaining patients. CONCLUSION: During LPD, a tailored approach for periadventitial dissection of SMA makes TMpE feasible, safe, and oncologic valid, when performed by a team experienced with mininvasive approach and pancreatic surgery.

Management of portal annular pancreas during laparoscopic pancreaticoduodenectomy.

Portal annular pancreas (PAP) is a pancreatic congenital anomaly consisting of pancreatic parenchyma encircling the portal vein and/or the superior mesenteric vein. It has been reported that the risk of developing a post-operative pancreatic fistula is higher following pancreaticoduodenectomy in patients with PAP, probably because of the possibility of leaving undrained a portion of pancreatic parenchyma during the reconstructive phase. Few manuscripts have reported a surgical technique of pancreaticoduodenectomy in case of PAP, herein we report the first case of a patient with PAP undergoing laparoscopic pancreaticoduodenectomy.

Laparoscopic pancreatoduodenectomy with superior mesenteric artery-first approach and pancreatogastrostomy assisted by mini-laparotomy.

BACKGROUND: Laparoscopic pancreatoduodenectomy (LPD) is a complex procedure. Critical steps are achieving a negative retroperitoneal margin and re-establishing pancreatoenteric continuity minimizing postoperative pancreatic leak risk. Aiming at increasing the rate of R0 resection during pancreatoduodenectomy, many experienced teams have recommended the superior mesenteric artery (SMA)-first approach, consisting in early identification of the SMA at its origin, with further resection guided by SMA anatomic course. We describe our technique of LPD with SMA-first approach and pancreatogastrostomy assisted by mini-laparotomy. METHODS: The video concerns a 77-year-old man undergoing our variant of LPD for a 2.5-cm pancreatic head mass. After kocherization, the SMA is identified above the left renocaval confluence and dissected-free from the surrounding tissue. Dissection of the posterior pancreatic aspect exposes the confluence between splenic vein, superior mesenteric vein (SMV), and portal vein. Following duodenal section, the common hepatic artery is dissected and the gastroduodenal artery sectioned at the origin. The first jejunal loop is divided, skeletonized, and passed behind the superior mesenteric vessel. Following pancreatic transection, the uncinate process is dissected from the SMV and the SMA is cleared from retroportal tissue rejoining the previously dissected plain. Laparoscopic choledocojejunostomy is followed by a mini-laparotomy-assisted pancreatogastrostomy, performed as previously described, and a terminolateral gastrojejeunostomy. RESULTS: Twelve patients underwent our variant of LPD (July 2013-May 2015). Female/male ratio was 3:1, median age 65 years (range 57-79), median operation duration 590 min (580-690), intraoperative blood loss 150 cl (100-250). R0 resection rate was 100 %, and the median number of resected lymph nodes was 24 (22-28). Postoperative complications were grade II in two patients and IIIa in one. Median postoperative length of stay was 16 days (14-21). CONCLUSION: LPD with SMA-first approach with pancreatogastrostomy assisted by a mini-laparotomy well combines the benefits of laparoscopy with low risk of postoperative complications and high rate of curative resection.

A liver donor with double hepatic artery aneurysm: a saved graft.

The shortage of organs and the increasing median age of deceased donors for orthotopic liver transplantation stimulate transplant centres to accept grafts that otherwise would have been discarded due to severe vascular abnormalities. We encountered a donor with two arterial aneurysms and a left accessory hepatic artery: an arterial aneurysm of the common hepatic artery and a left accessory hepatic artery arising from a second aneurysm of the left gastric artery (Michels type V). A complex reconstruction was created to transplant the liver. Multiple arterial anastomosis was made and the hepatic inflow of the transplanted liver restored. Although the procedure increased the risk of hepatic artery thrombosis, one more organ supposed to be discarded was saved.

Minimally invasive versus open distal pancreatectomy for resectable pancreatic cancer (DIPLOMA): an international randomised non-inferiority trial.

Background: The oncological safety of minimally invasive surgery has been questioned for several abdominal cancers. Concerns also exist regarding the use of minimally invasive distal pancreatectomy (MIDP) in patients with resectable pancreatic cancer as randomised trials are lacking. Methods: In this international randomised non-inferiority trial, we recruited adults with resectable pancreatic cancer from 35 centres in 12 countries. Patients were randomly assigned to either MIDP (laparoscopic or robotic) or open distal pancreatectomy (ODP). Both patients and pathologists were blinded to the assigned approach. Primary endpoint was radical resection (R0, ≥1 mm free margin) in patients who had ultimately undergone resection. Analyses for the primary endpoint were by modified intention-to-treat, excluding patients with missing data on primary endpoint. The pre-defined non-inferiority margin of -7% was compared with the lower limit of the two-sided 90% confidence interval (CI) of absolute difference in the primary endpoint. This trial is registered with the ISRCTN registry (ISRCTN44897265). Findings: Between May 8, 2018 and May 7, 2021, 258 patients were randomly assigned to MIDP (131 patients) or ODP (127 patients). Modified intention-to-treat analysis included 114 patients in the MIDP group and 110 patients in the ODP group. An R0 resection occurred in 83 (73%) patients in the MIDP group and in 76 (69%) patients in the ODP group (difference 3.7%, 90% CI -6.2 to 13.6%; pnon-inferiority = 0.039). Median lymph node yield was comparable (22.0 [16.0-30.0] vs 23.0 [14.0-32.0] nodes, p = 0.86), as was the rate of intraperitoneal recurrence (41% vs 38%, p = 0.45). Median follow-up was 23.5 (interquartile range 17.0-30.0) months. Other postoperative outcomes were comparable, including median time to functional recovery (5 [95% CI 4.5-5.5] vs 5 [95% CI 4.7-5.3] days; p = 0.22) and overall survival (HR 0.99, 95% CI 0.67-1.46, p = 0.94). Serious adverse events were reported in 23 (18%) of 131 patients in the MIDP group vs 28 (22%) of 127 patients in the ODP group. Interpretation: This trial provides evidence on the non-inferiority of MIDP compared to ODP regarding radical resection rates in patients with resectable pancreatic cancer. The present findings support the applicability of minimally invasive surgery in patients with resectable left-sided pancreatic cancer. Funding: Medtronic Covidien AG, Johnson & Johnson Medical Limited, Dutch Gastroenterology Society.

Learning Curves of Minimally Invasive Distal Pancreatectomy in Experienced Pancreatic Centers.

Importance: Understanding the learning curve of a new complex surgical technique helps to reduce potential patient harm. Current series on the learning curve of minimally invasive distal pancreatectomy (MIDP) are mostly small, single-center series, thus providing limited data. Objective: To evaluate the length of pooled learning curves of MIDP in experienced centers. Design, Setting, and Participants: This international, multicenter, retrospective cohort study included MIDP procedures performed from January 1, 2006, through June 30, 2019, in 26 European centers from 8 countries that each performed more than 15 distal pancreatectomies annually, with an overall experience exceeding 50 MIDP procedures. Consecutive patients who underwent elective laparoscopic or robotic distal pancreatectomy for all indications were included. Data were analyzed between September 1, 2021, and May 1, 2022. Exposures: The learning curve for MIDP was estimated by pooling data from all centers. Main Outcomes and Measures: The learning curve was assessed for the primary textbook outcome (TBO), which is a composite measure that reflects optimal outcome, and for surgical mastery. Generalized additive models and a 2-piece linear model with a break point were used to estimate the learning curve length of MIDP. Case mix-expected probabilities were plotted and compared with observed outcomes to assess the association of changing case mix with outcomes. The learning curve also was assessed for the secondary outcomes of operation time, intraoperative blood loss, conversion to open rate, and postoperative pancreatic fistula grade B/C. Results: From a total of 2610 MIDP procedures, the learning curve analysis was conducted on 2041 procedures (mean [SD] patient age, 58 [15.3] years; among 2040 with reported sex, 1249 were female [61.2%] and 791 male [38.8%]). The 2-piece model showed an increase and eventually a break point for TBO at 85 procedures (95% CI, 13-157 procedures), with a plateau TBO rate at 70%. The learning-associated loss of TBO rate was estimated at 3.3%. For conversion, a break point was estimated at 40 procedures (95% CI, 11-68 procedures); for operation time, at 56 procedures (95% CI, 35-77 procedures); and for intraoperative blood loss, at 71 procedures (95% CI, 28-114 procedures). For postoperative pancreatic fistula, no break point could be estimated. Conclusion and Relevance: In experienced international centers, the learning curve length of MIDP for TBO was considerable with 85 procedures. These findings suggest that although learning curves for conversion, operation time, and intraoperative blood loss are completed earlier, extensive experience may be needed to master the learning curve of MIDP.

Laparoscopic rectal resection for severe endometriosis of the mid and low rectum: technique and operative results.

BACKGROUND: Although several studies have shown that laparoscopic resection is safe and feasible in bowel endometriosis, limited data are available on the specific treatment for endometriosis of the rectum. The aim of this study is to describe operative and postoperative outcomes after laparoscopic resection of the mid/low rectum for endometriosis. METHODS: Between 2002 and 2010, 750 patients (median age 33 years) underwent laparoscopic resection of the mid/low rectum for deep infiltrating endometriosis at a single institution. All operations were performed with a standardized technique by a single surgeon. RESULTS: Median operative time was 255 min, and median blood loss 150 ml. Of patients, 7% required blood transfusions. Laparotomic conversion rate was 1.6%. Mechanical low and very low colorectal anastomoses were carried out in 92.5 and 7.5% of patients, respectively. Temporary ileostomy rate was 14.5%. Median length of stay was 8 days. Overall surgical morbidity was 9% with no mortality. Rates of anastomotic leak, rectovaginal fistula, and intraabdominal bleeding were 3, 2, and 1.2%. Forty patients (5.5%) required reoperation. CONCLUSIONS: Laparoscopic resection of the mid/low rectum for endometriosis can be performed safely with acceptable rates of morbidity/reoperation and with low rates of specific complications, including anastomotic leak and rectovaginal fistula. The very high surgical volume of the operating surgeon is probably one of the most important factors in order to maximize postoperative outcomes.

Outcomes comparison of Pancreato-Gastrostomy and Isolated Jejunal Loop Pancreato-Jejunostomy following Pancreato-Duodenectomy in patients with soft pancreas and at moderate-high risk for POPF: a retrospective multicenter experience-based analysis.

Following pancreatoduodenectomy (PD), the modality of pancreato-enteric continuity restoration may impact on postoperative pancreatic fistula (POPF) risk. The aim of this study is to compare, among patients with soft pancreas and at moderate/high risk for POPF, the outcomes of PD with Pancreato-Gastrostomy (PG), versus Isolated Jejunal Loop Pancreato-Jejunostomy (IJL-PJ). 193 patients with a Callery Fistula Risk Score (C-FRS) ≥ 3 operated at 3 HPB Units, two performing PG and one IJL-PJ as their preferred anastomotic technique following PD (2009-2019) were included in this study (PG = 123, IJL-PJ = 70). Primary outcomes were POPF, clinically relevant (cr-)postoperative pancreatic hemorrhage (cr-PPH), delayed gastric emptying (cr-DGE), and postoperative major complications and mortality. POPF, cr-PPH, and cr-DGE occurred in 21.8%, 17.6%, and 11.4% of patients, and did not differ significantly between PG (26%, 19.5%, and 10.6%, respectively) and IJL-PJ (17.1%, 14.3%, and 12.9%, respectively; all p > 0.05) patients. Major (Dindo ≥ 3) complication and mortality rates were 26.4% and 3.3%, respectively, and did not differ significantly between PG (29.3% and 3.8%) and IJL-PJ (21.4% and 2.9) patients (p > 0.05). A faster surgical drain and nasogastric tube removal matched a significantly shorter hospitalization among IJL-PJ patients (median LOS: 18 days versus 25 days among PG patients, p < 0.001). In conclusion, IJL-PJ and PG, when performed by surgeons specialized with the concerned anastomotic technique in patients with soft pancreas and moderate/high risk for POPF, have similar results in terms of perioperative mortality and postoperative complications both overall and specific for PD.

It is the lymph node ratio that determines survival and recurrence patterns in resected distal cholangiocarcinoma. A multicenter international study.

BACKGROUND: Distal cholangiocarcinoma (dCC) is still associated with a poor overall survival (OS). This study aims to investigate the impact of novel prognostic scores in comparison with more traditional ones. METHODS: Multicentric retrospective analysis of patients who underwent a pancreatoduodenectomy (PD) for dCC. An unadjusted analysis was used to identify predictors of decreased survival. Significant variables were introduced in a multivariable model that assessed OS, recurrence-free survival (RFS), early recurrence (defined as a recurrence within the first 12 months from the PD), local and distant recurrence. Prognostic scores evaluated included the TNM staging system, the lymph-node ratio (LNR), the platelet-lymphocyte ratio (PLR), the neutrophil-lymphocyte ratio (NLR) and the systemic inflammation index (SII). RESULTS: The study included 232 patients with resected dCC. The optimal cut-off value for LNR was 15% (LNR15). On the unadjusted analysis T stage (p = 0.012), N stage (p < 0.001), LNR15 (p < 0.001), grade (p < 0.001), perineural invasion (p < 0.001) and the R1 status of resection margin (p = 0.001) accounted for the decreased OS. No significant association between survival and PLR, NLR and SII were found. On the multivariable analysis only LNR15, perineural invasion and R1 were independent predictors of decreased RFS (p = 0.003, p = 0.021 and p = 0.009, respectively) and OS (p = 0.001, p = 0.016 and p = 0.013, respectively). Additionally, LNR15 was an independent predictor of early recurrence (p = 0.003) and both LNR15 and R1 were associated with increased local (p < 0.001 and p = 0.010) and distant recurrence (p < 0.001 and p = 0.003). CONCLUSIONS: LNR15 is an independent predictor of DFS, OS, early, local and distal recurrence, combined with the status of the resection margin and perineural invasion.

Hepatectomy for Metabolic Associated Fatty Liver Disease (MAFLD) related HCC: Propensity case-matched analysis with viral- and alcohol-related HCC.

BACKGROUND AND AIMS: We investigated the clinical impact of the newly defined metabolic-associated fatty liver disease (MAFLD) in patients undergoing hepatectomy for HCC (MAFLD-HCC) comparing the characteristics and outcomes of patients with MAFLD-HCC to viral- and alcoholic-related HCC (HCV-HCC, HBV-HCC, A-HCC). METHODS: A retrospective analysis of patients included in the He.RC.O.Le.S. Group registry was performed. The characteristics, short- and long-term outcomes of 1315 patients included were compared according to the study group before and after an exact propensity score match (PSM). RESULTS: Among the whole study population, 264 (20.1%) had MAFLD-HCC, 205 (15.6%) had HBV-HCC, 671 (51.0%) had HCV-HCC and 175 (13.3%) had A-HCC. MAFLD-HCC patients had higher BMI (p < 0.001), Charlson Comorbidities Index (p < 0.001), size of tumour (p < 0.001), and presence of cirrhosis (p < 0.001). After PSM, the 90-day mortality and severe morbidity rates were 5.9% and 7.1% in MAFLD-HCC, 2.3% and 7.1% in HBV-HCC, 3.5% and 11.7% in HCV-HCC, and 1.2% and 8.2% in A-HCC (p = 0.061 and p = 0.447, respectively). The 5-year OS and RFS rates were 54.4% and 37.1% in MAFLD-HCC, 64.9% and 32.2% in HBV-HCC, 53.4% and 24.7% in HCV-HCC and 62.0% and 37.8% in A-HCC (p = 0.345 and p = 0.389, respectively). Cirrhosis, multiple tumours, size and satellitosis seems to be the independent predictors of OS. CONCLUSION: Hepatectomy for MAFLD-HCC seems to have a higher but acceptable operative risk. However, long-term outcomes seems to be related to clinical and pathological factors rather than aetiological risk factors.

Serum amylase elevation following pancreatoduodenectomy with pancreatogastrostomy is strongly associated with major complications.

BACKGROUND: Recent reports suggest that, following pancreatic resection, serum amylase elevation (SAE) may be a surrogate indicator of post-operative acute pancreatitis (PAP) and predict post-operative pancreatic fistula (POPF). However, POPF may not account for the majority of complications when pancreatoenteric continuity is restored by pancreatogastrostomy. We aimed to evaluate, among patients undergoing pancreatoduodenectomy with pancreatogastrostomy, the correlation between SAE, radiological changes consistent with PAP and types of post-operative complications overall and specific for pancreatic surgery. METHODS: Perioperative data from 102 patients who underwent pancreatoduodenectomy with pancreatogastrostomy at two Italian hospitals (January 2015-January 2017) were retrospectively analysed. SAE was defined as serum amylase more than three times the normal concentration at post-operative day 1. Post-operative abdominal computed tomography scan was routinely performed and retrospectively and blindly re-assessed for findings consistent with PAP. RESULTS: Among 102 study patients, overall and major complications and mortality occurred in 68% and 24% and 3% of cases, respectively. POPF and post-pancreatectomy haemorrhage (PPH) occurred in 12% and 21%, respectively. In 75% of patients developing PPH, it occurred in the absence of POPF. SAE occurred in 36 patients who, compared to 66 non-SAE patients, more frequently showed computed tomography scan findings consistent with pancreatic stump inflammation (P = 0.002), confirming association between SAE and PAP. SAE was independently associated with the occurrence of major complications, POPF and PPH (hazard ratio (HR) 3.27, P = 0.032; HR 3.94, P = 0.012; HR 12.26, P = 0.002). CONCLUSION: SAE can be considered a valid surrogate of PAP and is strongly associated with a higher rate of post-operative major complications, both overall and specific for pancreatic resection.