Publications by authors named "Marco Ramera"

Background: This study analyzed the Quality of Life (QoL) and cost-effectiveness of laparoscopic (LDP) versus robotic distal pancreatectomy (RDP).

Methods: Consecutive patients submitted to LDP or RDP from 2010 to 2020 in four high-volume Italian centers were included, with a minimum of 12 months of postoperative follow-up were included. QoL was evaluated using the EORTC QLQ-C30 and EQ-5D questionnaires, self-reported by patients.

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Article Synopsis
  • - The study compares the outcomes of robot-assisted and laparoscopic pancreatoduodenectomy across 50 European centers, focusing on major morbidity and mortality rates among patients from 2009 to 2020.
  • - The results show no significant differences in major morbidity and 30-day mortality rates between the two surgical methods, but robot-assisted surgery had lower conversion rates and better lymph node retrieval.
  • - Laparoscopic pancreatoduodenectomy had advantages like shorter operation times and lower rates of postoperative pancreatic complications, suggesting it may be the preferable approach in certain aspects.
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Background: Prophylactic passive abdominal drainage is standard practice after distal pancreatectomy. This approach aims to mitigate the consequences of postoperative pancreatic fistula (POPF) but its added value, especially in patients at low risk of POPF, is currently being debated. We aimed to assess the non-inferiority of a no-drain policy in patients after distal pancreatectomy.

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Article Synopsis
  • International guidelines suggest that monitoring minimally invasive pancreatic surgery (MIPS) is important, but there is a lack of data, particularly on minimally invasive distal pancreatectomy (MIDP).
  • This study analyzed data from 1672 patients in 83 European centers to compare robot-assisted distal pancreatectomy (RDP) and laparoscopic distal pancreatectomy (LDP), focusing on intraoperative events, major morbidity, and mortality.
  • Findings showed RDP had fewer intraoperative complications but longer surgery times compared to LDP; both procedures had low mortality rates, with LDP still being the more common approach despite the rising use of RDP.
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Article Synopsis
  • There is a lack of international studies on the outcomes of minimally invasive pancreatoduodenectomy (MIPD), prompting the establishment of the European Registry for Minimally Invasive Pancreatic Surgery (E-MIPS) to monitor these procedures in Europe.
  • An analysis of 1,336 patients from 45 centers across 14 European countries indicated significant outcomes, including a major morbidity rate of 41.2% and a 30-day/in-hospital mortality rate of 4.5%.
  • Findings revealed that robot-assisted MIPD (R-MIPD) is becoming more popular than laparoscopic MIPD (L-MIPD), with better outcomes in terms of major morbidity and lower rates of complications when performed
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Article Synopsis
  • - Minimally invasive pancreatoduodenectomy (MIPD) is seen as a less harmful alternative to traditional open pancreatoduodenectomy (OPD), but its safety and recovery time compared to OPD require further investigation through large-scale trials.
  • - The DIPLOMA-2 trial is a major international study involving 288 patients across 14 high-volume centers in Europe, evaluating MIPD against OPD, with a focus on overall complications and functional recovery time.
  • - The trial will measure outcomes using the Comprehensive Complication Index (CCI®) and assess recovery times and other operative results to determine if MIPD offers significant benefits over OPD.
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Objective: To develop and update evidence-based and consensus-based guidelines on laparoscopic and robotic pancreatic surgery.

Summary Background Data: Minimally invasive pancreatic surgery (MIPS), including laparoscopic and robotic surgery, is complex and technically demanding. Minimizing the risk for patients requires stringent, evidence-based guidelines.

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Background: Minimally invasive spleen-preserving distal pancreatectomy (SPDP) has emerged as a parenchyma-preserving approach and has become the standard treatment for pancreatic benign and low-grade malignant lesions. Nevertheless, minimally invasive SPDP is still technically challenging, especially when vessel preservation is intended. This study aims to describe the technique and outcomes of laparoscopic (LSPDP) and robot-assisted spleen-preserving distal pancreatectomy (RSPDP) with intended vessel preservation, highlighting the important tips and tricks to overcome technical obstacles and optimize surgical outcomes.

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Robot-assisted pancreatoduodenectomy (R-PD) may provide challenges but potential benefits for pancreatic-enteric anastomosis fashioning. Despite numerous trials comparing different pancreatic-enteric anastomosis techniques, an ideal method is still missing. This study aims to describe different management strategies and surgical techniques of standardized pancreatic-enteric anastomoses during an R-PD.

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Background: This study aimed to discuss and report the trend, outcomes, and learning curve effect after minimally invasive distal pancreatectomy (MIDP) at two high-volume centres.

Methods: Patients undergoing MIDP between January 1999 and December 2018 were retrospectively identified from prospectively maintained electronic databases. The entire cohort was divided into two groups constituting the "early" and "recent" phases.

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Background: To compare the postoperative course of elderly patients (≥70 years) submitted to minimally invasive (MIDP) versus open distal pancreatectomy (ODP) and to evaluate if the modified Frailty Index (mFI) predicts the surgical course of elderly patients submitted to DP.

Methods: Data of patients aged ≥70 who underwent DP at a single institution between March 2011 and December 2019 were retrospectively retrieved. A 2:1 propensity score matching (PSM) was used to correct for differences in baseline characteristics.

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Background: The pancreatic transection method during distal pancreatectomy is thought to influence postoperative fistula rates. Yet, the optimal technique for minimizing fistula occurrence is still unclear. The present randomized controlled trial compared stapled versus ultrasonic transection in elective distal pancreatectomy.

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Objective: The aim of this study was to assess short- and long-term outcomes including quality of life (QoL) following pancreatic enucleation (PE).

Background: PE is deemed to preserve both the endocrine and the exocrine function while ensuring radicality. However, to assess whether this reflects an actual benefit perceived by patients, QoL has to be considered.

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Background: Pancreatic surgery is still a challenge even in high-volume centers. Clinically relevant postoperative pancreatic fistula (CR-POPF) represents the greatest contributor to major morbidity and mortality, especially following pancreatic distal resection. In this study, we compared robotic distal pancreatectomy (RDP) to open distal pancreatectomy (ODP) in terms of CR-POPF development and analyzed oncologic efficacy of RDP in the subgroup of patients with pancreatic ductal adenocarcinoma (PDAC).

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Background: Pancreatic enucleation (PE) is a viable option for the removal of non-malignant pancreatic masses leading to complete preservation of organ function. Nevertheless, PE is associated with substantial rates of post-operative pancreatic fistula (POPF), particularly when the mass is close to the main pancreatic duct (MPD). Preoperative stenting of the MPD may prevent its injury when performing PE.

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The indication, planning, and risk analysis of a pancreatic surgical procedure have recently become increasingly complex. In December 2015, the "Pancreas Round" (PR) meeting was established at our institution to preoperatively review all scheduled cases with a specific focus on surgical indications and technical issues. The present study aims to determine the impact of the PR on the clinical practice in terms of avoiding unrequested laparotomies and anticipating intraoperative pitfalls.

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: Minimally invasive surgery (MIS) for pancreatic cancer has become very popular in modern pancreatic surgery. Evidence of the benefits of an MI approach are increasing thanks to prospective studies and randomized controlled studies.: Agreement is lacking regarding the oncological feasibility of MIS for pancreatic cancer.

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. Despite the widespread use of the robotic technology, only a few studies with small sample sizes report its application to pancreatic diseases treatment. Our aim is to present the results of a multicenter study on the safety and feasibility of robot-assisted distal pancreatectomy (RDP).

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Purpose: Minimally invasive surgery has increasingly gained popularity as a treatment of choice for pancreatectomy with encouraging initial results in robotic distal pancreatectomy (RDP). However, few data are available on the comparison between RDP and laparoscopic distal pancreatectomy (LDP) for pancreatic neuroendocrine tumors (pNETs). Our aim, thus, is to compare perioperative and long-term outcomes as well as total costs of RDP and LDP for pNETs.

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Purpose: The use of intra-abdominal drains after major surgical procedures represents a well-established but controversial practice. No data are available regarding both the occurrence and the potential impact of their postoperative accidental dislocation. The aim of this study is to assess the actual rate of dislocation of intra-abdominal drains postoperatively and to evaluate its clinical impact.

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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.

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Postoperative pancreatic fistula (POPF) remains the major postoperative cause of morbidity and mortality following pancreatic surgery. Since 2005, the International Study Group of Pancreatic Fistula (ISGPF) definition and classification has been adopted worldwide allowing the comparison among different surgical approaches and mitigation strategies. Over the last 11 years, several limitations have emerged from clinical practice and in 2016 the International Study Group for Pancreatic Surgery (ISGPS) updated the POPF definition and grading system.

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Background: The intraoperative identification of pancreatic neuroendocrine tumors (PanNETs) is of utmost importance to drive their laparoscopic resection. Near-infrared (NIR) surgery has emerged as a new technique for localizing tumors or neoplastic tissue. This study aimed to explore the results of the application of NIR in the laparoscopic resection of PanNETs.

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. For Tis and T1a gallbladder cancer (GbC), laparoscopic cholecystectomy can provide similar survival outcomes compared to open cholecystectomy. However, for patients affected by resectable T1b or more advanced GbC, open approach radical cholecystectomy (RC), consisting in gallbladder liver bed resection or segment 4b-5 bisegmentectomy, with locoregional lymphadenectomy, is considered the gold standard while minimally invasive RC (MiRC) is skeptically considered.

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Pancreatic surgery represents one of the most challenging fields in general surgery. Its complexity is related to the severity of the disease and the technical skills required for surgical approach. Given this, most pancreatic resections are performed through classic open surgery.

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