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Background: Cytoreductive surgery (CRS) is a technically demanding procedure, and there is considerable debate about its safe application. This study investigated the learning curve for CRS and the clinical outcomes of consecutive patients treated by a single surgeon at a single institution. Methods: We collected 251 consecutive patients who underwent CRS for peritoneal metastases by a single surgeon at Fondazione Policlinico Universitario A. Gemelli IRCCS, between January 2016 and December 2020. The learning curve was estimated using the cumulative summation analysis (CUSUM) for operative time (OT). Risk-adjusted CUSUM (RA-CUSUM) charts were developed using a composite variable (surgical failure), defined as the occurrence of at least one of the following events: major postoperative complications (Clavien-Dindo grade >= 3), blood loss >= 500 mL, incomplete cytoreduction. Three learning phases were thus derived from the RA-CUSUM analysis, and were compared in terms of perioperative outcomes. Results: CUSUM-OT showed that the operation time improved significantly after the 161(th) case. RA-CUSUM analysis allowed to break the CRS learning curve into three different phases: phase 1, "the learning phase " (cases 1-99), phase 2 "the experienced phase " (cases 100-188), and phase 3, "the mastership phase " (cases 189-251). The rate of major postoperative complications decreased significantly over the three phases (p = 0.019). Operative time decreased significantly as well (p = 0.031) and was significantly shorter in phase 3 with respect to the other two phases (phase 3 vs phase 2: 420 min vs 500 min, p = 0.017; phase 3 vs phase 1: 420 min vs 503 min, p = 0.021). Blood loss consistently decreased throughout the three phases (p = 0.001). The rate of incomplete cytoreduction was significantly lower in phase 3 than in phase 2 (4.8% vs 14.6%, p = 0.043). Conclusion: The CRS failure rate stabilized after the first 99 cases, and the complete surgical proficiency was achiev

Background and Objective: This study aims to investigate the surgical outcomes observed in robotic transperitoneal aortic lymphadenectomy (AL) in gynecological cancer patients. Methods: Retrospective data were collected and analyzed on 71 patients undergoing robotic surgical procedures for gynecological cancers, including transperitoneal AL, between December 2014 and February 2018 at the Catholic University of the Sacred Heart, Rome, Italy. Results: Median age of the sample population was 50 years (range, 26-76 years). The median operative time was 210 minutes (range, 75-480 minutes), the median estimated blood loss was 50 ml (range, 20-300 ml). The number of para-aortic nodes removed was 12 (range, 7-43). In the whole series, 13 patients (18.3%) had at least one metastatic node. Overall, 10 patients (14.1%) experienced any grade early postoperative complications. Three patients experienced more than one complication. Three intraoperative complications occurred with two cases of vascular injury. Conversion to laparotomy was necessary for one patient (1.4%). Conclusions: The present study shows the safety and adequacy of robotic transperitoneal AL as surgical staging step for gynecological cancers in terms of perioperative and postoperative outcomes.

AIM: To evaluate the clinical impact of the use of the Caiman® articulating energy device in advanced ovarian cancer (AOC) including rectosigmoid resection [e.g. modified posterior exenteration (MPE)]. PATIENTS AND METHODS: This was a prospective single-institution observational study with women undergoing MPE where all soft-tissue dissections and vessel ligations were performed using the Caiman® device. Intraoperative and postoperative surgical data were collected. Bladder function after nerve-sparing surgery was analyzed before and 6 months after surgery. RESULTS: Forty patients were registered in the study. The median time for specimen removal using Caiman® was 86 min (range=70-120 min). Major vessel ligation was successful in all patients with a median of a single (range=1-4) Caiman® application to seal major vessels. No intraoperative or postoperative complications or bladder dysfunctions associated with the use of Caiman® were noted. CONCLUSION: Caiman® can be safely used in AOC surgery and may save time through faster dissection. However, comparative studies with other energy devices are needed to confirm this finding.

Study Objective: To demonstrate management of a rare case of an isolated intraparenchymal splenic metastasis of endometrial cancer with robotic-assisted surgery. Design: Case report (Canadian Task Force Classification III). Setting: A 55-year-old patient with a history of endometrial cancer was found to have a splenic lesion on a follow-up examination. She underwent surgical staging, involving total hysterectomy, bilateral salpingo-oopherectomy, pelvic lymphadenectomy, and peritoneal washing, in 2014, and the final pathological findings showed an endometrioid endometrial adenocarcinoma, International Federation of Gynecology and Obstetrics stage IB G2. Multidisciplinary counseling was provided, and the patient opted for strict medical surveillance. At 20 months after the primary treatment, the patient experienced a vaginal cuff recurrence and refused radiation therapy. She instead underwent robotic surgery, followed by 6 cycles of carboplatin 6 AUC and paclitaxel 175 mg/m2. Seventeen months later, a positron emission tomography/computed tomography scan revealed a 3-cm intraparenchymal lesion of the spleen, and robotic splenectomy was scheduled. The Institutional Review Board approved this study. Intervention: The operative time was 90 minutes, and blood loss was <50 mL. The operation was performed successfully, with no intraoperative and postoperative complications. Histopathological analysis showed a 3-cm intraparenchymal splenic lesion. The patient was discharged on day +2, and 46 days later started adjuvant chemotherapy based on carboplatin 6 AUC and doxorubicin (Caelyx) 30 mg/m2. At a 2-month follow-up, the patient was disease-free and in good general condition. Conclusion: This case demonstrates the successful robotic management of recurrent endometrial cancer.

Study Objective: To analyze the feasibility and safety of laparoscopic secondary cytoreductive surgery in a retrospective series of patients with platinum-sensitive recurrent ovarian cancer. Design: Retrospective cohort study (Canadian Task Force classification II-2). Setting: Catholic University of the Sacred Heart, Rome, Italy. Patients: Between October 2010 and October 2016, 58 patients with recurrent ovarian cancer were selected for a retrospective analysis of data. Interventions: All patients underwent a laparoscopic secondary cytoreduction with single or multiple procedures. Results: The most frequent pattern of recurrence was peritoneal (48.3%); 6 patients (10.3%) experienced parenchymal disease (spleen, n = 5; liver, n = 1), and 24 patients (41.4%) had lymph node recurrence. Complete debulking was achieved in all patients. The median operative time was 204 minutes (range, 55-448 minutes), median estimated blood loss was 70 mL (range, 20-300 mL), and the median length of hospital stay was 4 days (range, 1-21 days). Four patients (6.8%) experienced intraoperative complications. Early postoperative complications were documented in 6 patients (10.3%), but only 1 G3 complication was noted. The median duration of follow-up since secondary cytoreduction was 24 months (range, 9-71 months). Twenty-one patients (36.2%) experienced a second disease relapse. The median progression-free survival (PFS) was 28 months, and the 2-year PFS was 58.7%. Five patients died (8.6%); the 2-year overall survival was 90.7%. Conclusions: For selected patients, laparoscopy is a feasible and safe approach to optimal cytoreduction for patients with recurrent ovarian cancer.

OBJECTIVE: Enterocutaneous fistulas (ECFs) are an uncommon surgical problem, but they are characterized by a difficult management. Vacuum-assisted closure (VAC) therapy is a method utilized for chronic and traumatic wound healing. At first, VAC therapy had been contraindicated in the treatment of intestinal fistulas, but as time went by, VAC therapy revealed itself to be a "Swiss knife multi-tool". This paper presents some clinical cases of enterocutaneous (ECF) and enteroatmospheric fistulas (EAF) treated with VAC therapyTM. MATERIALS AND METHODS: The history of 8 patients treated for complex fistulas was revised. Four of them presented with enterocutaneous and four with enteroatmospheric fistulas. All were treated with VAC therapy with variations elaborated to help in accelerated closure of intestinal wall lesions. RESULTS: Four out of four ECFs closed spontaneously. In the EAF group, in three cases the fistula turned slowly into an entero-cutaneous fistula, and in one out of four it closed spontaneously. The mean length of VAC therapyTM was 35.5 days and that of spontaneous closure was 36.4 days. CONCLUSIONS: The results of our study encourage the use of VAC therapyTM for the treatment of enterocutaneous fistulas. VAC therapyTM use has a double therapeutic value: (1) it promotes the healing of the skin and allows also the management of EAFs; (2) in selected cases, those in which it is possible to create a deep fistula tract ("well") it is possible to assist to a complete healing with closure of the ECFs.

The advent of laparoscopic surgery has created a set of peculiar morbidities. As the laparoscopic devices, also the type of retained foreign bodies has changed. We present a case of unusual, apparently isolated and recurrent lung abscess, pleural effusion and poorly evident subphrenic abscess after laparoscopic gastric bypass, due to a retained Endo-Catch bag. A 27-year-old obese female underwent an uneventful laparoscopic Roux-en-Y gastric bypass. After surgery she developed a left basal lung abscess, that resolved in two weeks with heavy antibiotic therapy, while radiological abdominal imaging was apparently normal. Patient was discharged on p.o. day 30. After two months, she presented with fever and dyspnoea and no gastrointestinal complaints. Chest and abdominal computer tomography showed a left recurrent abscess with effusion but this time a 3 cm subphrenic mass with metallic clips inside was demonstrated on CT scan. Patient was treated with an explorative laparoscopy that identified an Endo-Catch bag with the jejunal blind loop inside. Postoperative left lung abscess can be a warning of a suphrenic surgical complication. Laparoscopic surgery requires even more attention to retained foreign bodies due to the reduced visibility of the surgical field. The recommendation to enforce recording of laparoscopic maneuvers is mandatory.

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