Davide Cavaliere

Università degli Studi di Genova, Genova, Liguria, Italy

Are you Davide Cavaliere?

Claim your profile

Publications (54)56.39 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: Many of the treatment strategies for sigmoid diverticulitis are actually focusing on nonoperative and minimally invasive approaches. The aim of this systematic review was to evaluate the actual role of damage control surgery (DCS) in the treatment of generalized peritonitis caused by perforated sigmoid diverticulitis.A literature search was performed in PubMed and Google Scholar for articles published from 1960 to July 2013. Comparative and noncomparative studies that included patients who underwent DCS for complicated diverticulitis were considered.Acute Physiology and Chronic Health Evaluation score, duration of open abdomen, intensive care unit length of stay, reoperation, bowel resection performed at first operation, fecal diversion, method, and timing of closure of abdominal wall were the main outcomes of interest.According to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses algorithm for the literature search and review, 10 studies were included in this systematic review. DCS was exclusively performed in diverticulitis patients with septic shock or requiring vasopressors intraoperatively. Two surgical different approaches were highlighted: limited resection of the diseased colonic segment with or without stoma or reconstruction in situ, and laparoscopic washing and drainage without colonic resection.Despite the heterogeneity of patient groups, clinical settings, and interventions included in this review, DCS appears to be a promising strategy for the treatment of Hinchey III and IV diverticulitis, complicated by septic shock. A tailored approach to each patient seems to be appropriate.
    Medicine. 11/2014; 93(25):e184.
  • [Show abstract] [Hide abstract]
    ABSTRACT: Today, we do not have a universally accepted evidence on how to treat peritoneal carcinomatosis (PC) from colorectal cancer (CRC) in international guidelines.
    International Journal of Colorectal Disease 06/2014; · 2.24 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: BACKGROUND: The stomach is the most common site for gastrointestinal stromal tumors (GIST) development. Surgical treatment consists of excision of the entire neoplastic mass, with sufficient surgical margins within healthy tissue. This can be achieved with different techniques ranging from wedge resections, typical gastric resections, right up to total gastrectomy. There aren't clear guidelines for the use of minimally invasive approach. MATERIALS AND METHODS: From January 2011 to April 2012, 5 patients with presumed preoperative diagnosis of GIST were treated by robotic surgery. We report operative techniques, perioperative outcomes and follow-up. RESULTS: Lesions were localized at anterior wall of gastric antrum (N=2) and near pyloric area (N=3). Mean tumor size was 5cm (range 4 - 7 cm). Surgical procedures were 5 distal gastrectomy. None intervention was converted to open surgery and there weren't major intraoperative complications. Median operative time was 240 minutes (range 210-300 min) and mean intraoperative blood loss was 96ml (80-120ml). All lesions had microscopically negative resection margins. Median follow-up was 13.5 months (range 12-15 months) with a disease-free survival rate of 100%. CONCLUSIONS: Surgical robotic approach for large GISTs is feasibility and new evidences are needed to clarify the effective role of different surgical strategies.
    International Journal of Surgery (London, England) 01/2013; · 1.44 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Background. Angiogenesis is a complex process involved in both growth and progression of several human and animal tumours. Tryptase is a serin protease stored in mast cells granules, which plays a role in tumour angiogenesis. Mast cells (MCs) can release tryptase following c-Kit receptor (c-KitR) activation. Method. In a series of 25 gastric cancer patients with stage T3N2-3M0 (by AJCC for Gastric Cancer 7th Edition), immunohistochemistry and image analysis methods were employed to evaluate in the tumour tissue the correlation between the number of mast cells positive to tryptase (MCPT), c-KitR expressing cells (c-KitR-EC), and microvascular density (MVD). Results. Data demonstrated a positive correlation between MCPT, c-KitR-EC, and MVD to each other. In tumour tissue the mean number of MCPT was 15, the mean number of c-KitR-EC was 20, and the mean number of MVD was 20. The Pearson test correlating MCPT and MVD, c-KitR-EC and MVD was significantly (r = 0.64, P = 0.001; r = 0.66, P = 0.041, resp.). Conclusion. In this pilot study, we suggest that MCPT and c-KitR-EC play a role in gastric cancer angiogenesis, so we think that several c-KitR or tryptase inhibitors such as gabexate mesilate and nafamostat mesilate might be evaluated in clinical trials as a new antiangiogenetic approach.
    Gastroenterology Research and Practice 01/2013; 2013:703163. · 1.62 Impact Factor
  • Langenbeck s Archives of Surgery 01/2013; · 1.89 Impact Factor
  • International Journal of Surgery 01/2013; · 1.44 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: PURPOSE: Treating hepatocellular carcinoma involves many different specialists and requires multidisciplinary management. In light of the current discussion on the role of ablative therapy, the aim of this study is to compare patients who undergo hepatic resection to those treated with radiofrequency ablation. METHODS: The procedures have been conducted in two institutes following the same methodologies. Ninety-six patients with Child-Pugh class A cirrhosis, single or multinodular hepatocellular carcinoma (HCC) and a diameter less than or equal to 3 cm, have been included in this retrospective study: 52 patients have been treated by surgical resection and 44 by radiofrequency ablation. Patient characteristics, survival and disease-free survival have all been analysed. RESULTS: Disease-free survival was longer in the resection group in comparison to the radiofrequency group with a median disease-free time of 48 versus 34 months, respectively (P = 0.04, hazard ratio = 1.5, 95 % confidence interval = 0.9-2.5). In the resection group, median survival was 54 months with a survival rate at 1, 3 and 5 years of 100, 98 and 46.2 %. In the radiofrequency group, median survival was 40 months with 1-, 3- and 5-year survival rate of 95.5, 68.2 and 36.4 %. CONCLUSION: The current study shows that for small HCC in the presence of compensated cirrhosis, surgical resection gives better results than radiofrequency, both in terms of overall survival, as well as disease-free survival. Further evidence is required to clarify the role of ablative therapy as a curative treatment and whether it can replace surgery.
    Langenbeck s Archives of Surgery 12/2012; · 1.89 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Although standard treatment for advanced epithelial ovarian cancer (EOC) consists of surgical debulking and intravenous platinum- and taxane-based chemotherapy, favorable oncological outcomes have been recently reported with the use of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). The aim of the study was to analyze feasibility and results of CRS and HIPEC in patients with advanced EOC. This is an open, prospective phase 2 study including patients with primary or recurrent peritoneal carcinomatosis due to EOC. Thirty-nine patients with a mean (SD) age of 57.3 (9.7) years (range, 34-74 years) were included between September 2005 and December 2009. Thirty patients (77%) had recurrent EOC and 9 (23%) had primary EOC. For HIPEC, cisplatin and paclitaxel were used for 11 patients (28%), cisplatin and doxorubicin for 26 patients (66%), paclitaxel and doxorubicin for 1 patient (3%), and doxorubicin alone for 1 patient (3%). The median intra-abdominal outflow temperature was 41.5°C. The mean peritoneal cancer index (PCI) was 11.1 (range, 1-28); and according to the intraoperative tumor extent, the tumor volume was classified as low (PCI <15) or high (PCI ≥15) in 27 patients (69%) and 12 patients (31%), respectively. Microscopically complete cytoreduction was achieved for 35 patients (90%), macroscopic cytoreduction was achieved for 3 patients (7%), and a gross tumor debulking was performed for 1 patient (3%). Mean hospital stay was 23.8 days. Postoperative complications occurred in 7 patients (18%), and reoperations in 3 patients (8%). There was one postoperative death. Recurrence was seen in 23 patients (59%) with a mean recurrence time of 14.4 months (range, 1-49 months). Hyperthermic intraperitoneal chemotherapy after extensive CRS for advanced EOC is feasible with acceptable morbidity and mortality. Complete cytoreduction may improve survival in highly selected patients. Additional follow-up and further studies are needed to determine the effects of HIPEC on survival.
    International Journal of Gynecological Cancer 05/2012; 22(5):778-85. · 1.94 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Laparoscopic and open rectal resection for cancer were compared by analysing a total of 26 end points which included intraoperative and postoperative recovery, short-term morbidity and mortality, late morbidity and long-term oncological outcomes. We searched for published randomized clinical trials, presenting a comparison between laparoscopic and open rectal resection for cancer using the following electronic databases: PubMed, OVID, Medline, Cochrane Database of Systematic Reviews, EBM Reviews, CINAHL and EMBASE. Nine randomized clinical trials (RCTs) were included in the meta-analysis incorporating a total of 1544 patients, having laparoscopic (N = 841) and open rectal resection (N = 703) for cancer. Laparoscopic surgery for rectal cancer was associated with a statistically significant reduction in intraoperative blood loss and in the number of blood transfusions, earlier resuming solid diet, return of bowel function and a shorter duration of hospital stay. We also found a significant advantage for laparoscopy in the reduction of post-operative abdominal bleeding, late intestinal adhesion obstruction and late morbidity. No differences were found in terms of intra-operative and late oncological outcomes. The meta-analysis indicates that laparoscopy benefits patients with shorter hospital stay, earlier return of bowel function, reduced blood loss and number of blood transfusions and lower rates of abdominal postoperative bleeding, late intestinal adhesion obstruction and other late morbidities.
    Colorectal Disease 02/2012; 14(6):e277-96. · 2.08 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: Laparoscopic adhesiolysis has been demonstrated to be technically feasible in small bowel obstruction and carries advantages in terms of post-surgical course. The increasing dissemination of laparoscopic surgery in the emergency setting and the lack of concrete evidence in the literature have called for a consensus conference to draw recommendations for clinical practice. A literature search was used to outline the evidence, and a consensus conference was held between experts in the field. A survey of international experts added expertise to the debate. A public jury of surgeons discussed and validated the statements, and the entire process was reviewed by three external experts. Recommendations concern the diagnostic evaluation, the timing of the operation, the selection of patients, the induction of the pneumoperitoneum, the removal of the cause of obstructions, the criteria for conversion, the use of adhesion-preventing agents, the need for high-technology dissection instruments and behaviour in the case of misdiagnosed hernia or the need for bowel resection. Evidence of this kind of surgery is scanty because of the absence of randomized controlled trials. Nevertheless laparoscopic skills in emergency are widespread. The recommendations given with the consensus process might be a useful tool in the hands of surgeons.
    Colorectal Disease 02/2012; 14(5):e208-15. · 2.08 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: Colorectal cancer (CRC) is the most common malignant tumour and the third leading cause of cancer deaths in USA. For advanced CRC, the liver is the first site of metastatic disease; approximately 50 % of patients with CRC will develop liver metastases either synchronously or metachronously within 2 years after primary diagnosis. Hepatic resection (HR) is the only curative option, but only 15-20% of patients with liver metastases from CRC (CRLMs) are suitable for surgical standard treatment. In patients with unresectable CRLMs downsizing chemotherapy can improve resectability (16%). Modern systemic chemotherapy represents the only significant treatment for unresectable CRLMs. However several loco-regional treatments have been developed: hepatic arterial infusion (HAI), cryosurgical ablation (CSA), radiofrequency ablation (RFA), microwave ablation and selective internal radion treatment (SIRT). During the past decade RFA has superseded other ablative therapies, due to its low morbidity, mortality, safety and patient acceptability. The objective of this study was to systematically review the role of radiofrequency ablation (RFA) in the treatment of CRLMs. We performed electronic searches in the following databases:CENTRAL, MEDLINE and EMBASE. Current trials were identified through the Internet using the Clinical-Trials.gov site (to January 2, 2012) and ASCO Proceedings. The reference lists of identified trials were reviewed for additional studies. Randomized clinical trials (RCTs), quasi-randomised or controlled clinical trials (CCTs) comparing RFA to any other therapy for CRLMs were included. Observational study designs including comparative cohort studies comparing RFA to another intervention, single arm cohort studies or case control studies have been included if they have: prospectively collected data, ten or more patients; and have a mean or median follow-up time of 24 months. Patients with CRLMs who have no contraindications for RFA. Patients with unresectable extra-hepatic disease were also included.Trials have been considered regardless of language of origin. A total of 1144 records were identified through the above electronic searching. We included 18 studies: 10 observational studies, 7 Clinical Controlled Trials (CCTs) and an additional 1 Randomized Clinical Trial (RCT) (abstract) identified by hand searching in the 2010 ASCO Annual Meeting. The most appropriate way of summarizing time-to-event data is to use methods of survival analysis and express the intervention effect as a hazard ratio. In the included studies these outcome are mostly reported as dichotomous data so we should have asked authors research data for each participant and perform Individual Patient Data (IPD) meta-analysis. Given the study design and low quality of included studies we decided to give up and not to summarize these data. Seventeen studies were not randomised and this increases the potential for selection bias. In addition, there was imbalance in the baseline characteristics of the participants included in all studies. All studies were classified as having a elevate risk of bias. The assessment of methodological quality of all non-randomized studies included in meta-analysis performed by the STROBE checklist has allowed us to identify several methodological limits in most of the analysed studies. At present, the information from the single RCT included (Ruers 2010) comes from an abstract of 2010 ASCO Annual Meeting where the allocation concealment was not reported; however in original protocol allocation concealment was adequately reported (EORTC 40004 protocol). The heterogeneity regarding interventions, comparisons and outcomes rendered the data not suitable. This systematic review gathers information from several controlled clinical trials and observational studies which are vulnerable to different types of bias. The imbalance between characteristics of patients in the allocated groups appears to be the main concern. Only one randomised clinical trial (published as an abstract), comparing 60 patients receiving RFA plus CT versus 59 patients receiving CT alone, was identified. This study showed that PFS was significantly higher in the group that received RFA. However, it was not able to provide information on overall survival. In conclusion, evidence from the included studies are insufficient to recommend RFA for a radical oncological treatment of CRLMs.
    Cochrane database of systematic reviews (Online) 01/2012; 6:CD006317. · 5.70 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Laparoscopic adhesiolysis has been demonstrated technically feasible in small bowel obstruction, and carries advantages in terms of post-surgical course. The increasing dissemination of laparoscopic surgery in the emergency setting, and the lack of concrete evidence in the literature, have called for a consensus conference to draw recommendations for the clinical practice. Method:  A literature research was used to outline the evidence, and a consensus conference was held between experts in the field. A survey between international experts added expertise to the debate. A public jury of surgeons discussed and validated the statements, and the entire process was reviewed by three external experts. Results:  Recommendations concern the diagnostic work-up, the timing of the operation, the patients' selection, the induction of the pneumoperitoneum, the removal of the cause of obstruction, the criteria for conversion, the use of adhesion preventing agents, the need for high-technology dissection instruments, the behavior in case of misdiagnosed hernia, or in case of need for bowel resection. Conclusion:  Evidence on this kind of surgery is scanty because of the absence of randomized controlled trials. Nevertheless laparoscopic skills in emergency is widespread. The recommendations given with the consensus process might be a useful tool in the hands of surgeons.
    Colorectal Dis. 01/2012;
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The study aimed to compare robotic rectal resection with laparoscopic rectal resection for cancer. Robotic surgery has been used successfully in many branches of surgery but there is little evidence in the literature on its use in rectal cancer.   We performed a systematic review of the available literature in order to evaluate the feasibility, safety and effectiveness of robotic versus laparoscopic surgery for rectal cancer. We compared robotic and laparoscopic surgery with respect to twelve end-points including operative and recovery outcomes, early postoperative mortality and morbidity, and oncological parameters. A subgroup analysis of patients undergoing full-robotic or robot-assisted rectal resection and robotic total mesorectal excision was carried out. All aspects of Cochrane Handbook for systematic reviews and Preferred Reporting Items for Systematic Reviews and Metanalysis (PRISMA) statement were followed to conduct this systematic review. Comprehensive electronic search strategies were developed using the following electronic databases: PubMed, EMBASE, OVID, Medline, Cochrane Database of Systematic Reviews, EBM reviews and CINAHL. Randomized and nonrandomized clinical trials comparing robotic and laparoscopic resection for rectal cancer were included. No language or publication status restrictions were imposed. A data-extraction sheet was developed based on the data extraction template of the Cochrane Group. The statistical analysis was performed using the odd ratio (OR) for categorical variables and the weighted mean difference (WMD) for continuous variables. Eight non randomized studies were identified that included 854 patients in total, 344 (40.2%) in the robotic group and 510 (59.7%) in the laparoscopic group. Meta-analysis suggested that the conversion rate to open surgery in the robotic group was significantly lower than that with laparoscopic surgery (OR = 0.26, 95% CI: 0.12-0.57, P = 0.0007). There were no significant differences in operation time, length of hospital stay, time to resume regular diet, postoperative morbidity and mortality, and the oncological accuracy of resection. Robotic surgery for rectal cancer has a lower conversion rate and a similar operative time compared with laparoscopic surgery, with no difference in recovery, oncological and postoperative outcomes.
    Colorectal Disease 12/2011; 14(4):e134-56. · 2.08 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Primitive Gastrointestinal Lymphomas (PGIL) are uncommon tumours, although time-trend analyses have demonstrated an increase. The role of surgery in the management of lymphoproliferative diseases has changed over the past 40 years. Nowadays their management is centred on systemic treatments as chemo-/radiotherapy. Surgery is restricted to very selected indications, always discussed in a multidisciplinary setting. The aim of this systematic review is to evaluate the actual role of surgery in the treatment of PGIL. A systematic review of literature was conducted according to the recommendations of The Cochrane Collaboration. Main outcomes analysed were overall survival (OS) and disease free survival (DFS). There are currently 1 RCT and 4 non-randomised prospective controlled studies comparing surgical versus medical treatment for PGIL. Seven hundred and one patients were analysed, divided into two groups: 318 who underwent to surgery alone or associated with chemotherapy and/or radiotherapy (surgical group) versus 383 who were treated with chemotherapy and/or radiotherapy (medical group). Despite the OS at 10 years between surgical and medical groups did not show relevant differences, the DFS was significantly better in the medical group (P=0.00001). Accordingly a trend was noticed in the recurrence rate, which was lower in the medical group (6.06 vs. 8.57%); and an higher mortality was revealed in the surgical group (4.51% vs. 1.50%).The chemotherapy confirms its primary role in the management of PGIL as part of systemic treatment in the medical group. Surgery remains the treatment of choice in case of PGIL acutely complicated, although there is no evidence in literature regarding the utility of preventive surgery.
    World Journal of Surgical Oncology 11/2011; 9:145. · 1.09 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: The aim of this study was to describe and evaluate the feasibility and the eventual advantages of ghost ileostomy (GI) versus covering stoma (CS) in terms of complications, hospital stay and quality of life of patients and their caregivers after anterior resection for rectal cancer. In this prospective study, we included patients who had rectal cancer treated with laparotomic anterior resection and confectioning a stoma (GI or CS), in the period comprised between January 2008 and January 2009. Short-term and long-term surgery-related mortality and morbidity after primary surgery (including that stoma-related and colorectal anastomosis-related) and consequent to the intervention of intestinal recanalization (CS group) and GI closure were evaluated. We evaluated hospital stay and quality of life of patients and their caregivers. Stoma-related morbidity rate was higher in the CS group than in GI group (37% vs. 5.5%, respectively, P = 0.04). Morbidity rate after intestinal recanalization in the CS group was 25.9% and 0% after GI closure (P = 0.08). Overall stoma morbidity rate was significantly lower in the GI group with respect to CS group (5.5% vs. 40.7%, respectively, P = 0.03). CS group was characterized by a significantly longer recovery time (P = 0.0002). Caregivers and stoma-related quality of life were better in the GI group than in CS group (P < 0.0001 and P = 0.0005, respectively). GI is feasible, characterized by shorter recovery, lesser degree of total, as well as anastomosis-related morbidity and higher quality of life of patients and the caregivers in respect to CS. We suggest that GI (should be evaluated as an alternative to conventional ileostomy) could be indicated in selected patients that do not present risk factors, but require caution for anastomotic leakage for the low level of colorectal anastomosis.
    Langenbeck s Archives of Surgery 04/2011; 396(7):997-1007. · 1.89 Impact Factor
  • European Journal of Surgical Oncology 10/2010; 36(10):1028-1028. · 2.61 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Background and aims. Gastric cancer in 5.8-35.4% appears as clinical T4. There is controversy about the best therapeutic approach. Combined multi-organ gastrectomy is reported in 5-22.3% of cases. Methods. From 1990 to 2004, 945 patients were opereted on for gastric cancer. Forty-eight patients (5%), M 28, F 20, mean 68 yrs, were submitted to combined total (32) or sub-total (16) gastrectomy and extended nodal dissection. Adjacent organs involved were one (60.4% of cases), two (33.3%) or three (6.25%). Post-operative mortality and morbidity, pathologic features, number and site of involved organs and actuarial survival (Kaplan-Meier) were retrospectively analyzed; uni- and multi-variated analysis was performed. Results: The infiltration of adjacent organs has been confirmed by pathologist in 43.7% of cases. Post-operative mortality and major morbidity were 2% and 27%. Median OS was 10.3 mos; 1-yr, 2-yrs and 3-yrs OS 47%, 12% and 7% respectively. No significant differences in survival for “T” factor (pT3 vs pT4), “N” factor (pN0-N1 vs N2-N3) and number of involved organs were observed. Total gastrectomy was an independent prognostic factor at multivariated Cox analysis (p<0.005). Conclusions: The correct approach to T4 gastric cancer is still unclear. Survival is poor. Experiences reported in scientific papers are unhomogeneous, and it’s difficult to find prognostic indicators. Curative R0 resection is the strongest indicator of survival. Multimodal approach with neoadjuvant chemotherapy associated, in selected cases, with loco-regional therapies seems to be a new perspective for this kind of patients for increasing R0 rate and decreasing regional recurrence
    Minerva chirurgica 06/2008; 63(3):348-51. · 0.39 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Background and aims: Survival rates of patients with stage IV melanoma are poor: median survival is 7-8 months and 5-years survival rates about 5%. There is not agreement on the role of surgery at this stage. Most patients with metastatic melanoma are not able to undergo resection and usually are sent to systemic chemo and immuno-therapy.Patients and methods: 87 patients operated on for IV stage melanoma were evaluated. 57.3% of them were submitted to reiterative surgery with overall 170 operations and 185 surgical procedures. 81.7%were submitted to adjuvant therapies according to aggressive and reiterated schedules: chemotherapy, immunotherapy, dendritic cells vaccine, infusion of Tumor Infiltrating Lymphocytes, local therapies as electrochemotherapy. Results: The mean overall survival (Kaplan Meier) was 62.9 months (1-yr 72.1%, 3-yrs 46.5%, 5-yrs 23.16%). The survival of reiterative surgery was significatively longer than single surgery (62.7 mo vs 42.4, median 50.9 vs 16.0), p<0.05. Multivariated Cox analysis was performed for disease-free interval, repeated surgery, adjuvant therapies, site of metastasis according to AJCC: reiterative surgery was shown as independent prognostic factor (p<0.05). Conclusion: Metastatic resection associated with adjuvant therapy may improve overall survival and, in some instances, can provide long-term survival, whatever site and numbers of metastasis. In our series, reiterative surgery was more significatively efficient in improving survival than single-time surgery
    Minerva chirurgica 06/2008; 63(3):225-8. · 0.39 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Abstract. Our preliminary experience with a staple-less technique for laparoscopic splenectomy (LS) is presented. Patients and methods. Eight consecutive LS were attempted for benign (n=6) or malignant (n=2) disease. In order to minimize the haemorrhagic risks, we have routinely performed the early ligation of the splenic artery with non-absorbable polymer ligating clips (Weck Hem-o-lok®) before organ manipulation and lisis. In order to decrease the overall surgical time, we performed this procedure using the ultrasonic dissector (Harmonic ACE™). In an attempt to reduce the operative costs, we’ve avoided the use of disposable surgical devices, such as trocars and staples. Results. LS was successfully completed in all patients. Massive splenomegaly was concomitant in 2 patients. Tree to 5 non-disposable trocars were employed in a semi lateral approach. The ultrasonic dissector reduces overall procedure time, allowing the surgeon to coagulate, cut, grasp and dissect without changing instruments. In all cases, the non-absorbable polymeric clips provides secure rapid ligation of pedicle vessels. The average operative time was 227 min (range 180-300). Estimated average blood loss was about 150 ml (range 70 – 450); however 2 patients required postoperative transfusions. There were no significant intra-operative or postoperative complications. Mean postoperative hospital stay was 5 days (range 4-7). Conclusion. The harmonic ACE with the modification of early ligation of the splenic artery in the semi lateral approach may provide safe dissection and manipulation of the spleen, even in presence of splenomegaly. This strategy may affect the amount of intra-operative bleeding and the conversion rate during LS. Moreover, it appears to minimize the length of operating time and hospitalization. The use of Hem-o-lok polymeric clips instead of vascular staples and non-disposable trocars may reduce the operative costs
    Minerva chirurgica 06/2008; 63(3):242-4. · 0.39 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Cytoreductive surgery with subsequent hyperthermic intraperitoneal chemotherapy (HIPEC) represent a promising treatment option for peritoneal carcinomatosis (PC). However, complete cytoreduction is strictly mandatory and depends on the extent of the peritoneal surface malignancies. Currently conventional imaging studies are often non-sensitive enough to assess the extent and the potential resectability of peritoneal tumor spread. Laparoscopy scoring of PC has been show to be useful for increasing the accuracy of pretherapeutical staging. The aim of this study was to evaluate the role of staging laparoscocopy (SL) to assess the resectability of the PC and the further treatment plans. Patients and methods: From January 2005 to Decembre 2007, 87 SL were performed in 81 patients with suspected PC. The therapeutic choice was subsequently done based on clinical and surgical data. Results: 78% of patients had at least one abdominal surgery. The laparoscopic exploration was possible in all but one patient. The conversion rate was 6.8%. The mean operating time was 89 ± 38 min. The mean hospital stay was 3 ± 2 days (range 1-12). The overall morbidity rate was 5% and characterized primarily by trocars site complications. There was no mortality associated with laparoscopy. Metastatic spread and resectability was evaluate with sensitivity and specificity close to 90%. No trocar site metastasis were observed at follow-up. Conclusion: Laparoscopic assessment of the potential resectability of the PC is accurate and safe to evaluate candidates for multimodal therapies. This technique avoids unnecessary laparotomies in patients in whom surgical palliation is not indicated
    Minerva chirurgica 06/2008; 63(3):11-3. · 0.39 Impact Factor

Publication Stats

201 Citations
56.39 Total Impact Points

Institutions

  • 2000–2007
    • Università degli Studi di Genova
      • Dipartimento di Medicina sperimentale (DIMES)
      Genova, Liguria, Italy
  • 2005
    • Azienda Ospedaliera San Paolo - Polo Universitario
      Milano, Lombardy, Italy
  • 2002–2003
    • Azienda Ospedaliera Universitaria San Martino di Genova
      Genova, Liguria, Italy