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Lobe TE, Panait L, Dapri G, Denk PM, Pechman D, Milone L, Scholz S, Slater BJ. A SAGES technology and value assessment and pediatric committee evaluation of mini-laparoscopic instrumentation. Surg Endosc 2022; 36:7077-7091. [DOI: 10.1007/s00464-022-09467-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/10/2022] [Indexed: 11/30/2022]
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De Simone B, Abu-Zidan FM, Gumbs AA, Chouillard E, Di Saverio S, Sartelli M, Coccolini F, Ansaloni L, Collins T, Kluger Y, Moore EE, Litvin A, Leppaniemi A, Mascagni P, Milone L, Piccoli M, Abu-Hilal M, Sugrue M, Biffl WL, Catena F. Knowledge, attitude, and practice of artificial intelligence in emergency and trauma surgery, the ARIES project: an international web-based survey. World J Emerg Surg 2022; 17:10. [PMID: 35144645 PMCID: PMC8832812 DOI: 10.1186/s13017-022-00413-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/24/2022] [Indexed: 12/12/2022] Open
Abstract
Aim We aimed to evaluate the knowledge, attitude, and practices in the application of AI in the emergency setting among international acute care and emergency surgeons. Methods An online questionnaire composed of 30 multiple choice and open-ended questions was sent to the members of the World Society of Emergency Surgery between 29th May and 28th August 2021. The questionnaire was developed by a panel of 11 international experts and approved by the WSES steering committee. Results 200 participants answered the survey, 32 were females (16%). 172 (86%) surgeons thought that AI will improve acute care surgery. Fifty surgeons (25%) were trained, robotic surgeons and can perform it. Only 19 (9.5%) were currently performing it. 126 (63%) surgeons do not have a robotic system in their institution, and for those who have it, it was mainly used for elective surgery. Only 100 surgeons (50%) were able to define different AI terminology. Participants thought that AI is useful to support training and education (61.5%), perioperative decision making (59.5%), and surgical vision (53%) in emergency surgery. There was no statistically significant difference between males and females in ability, interest in training or expectations of AI (p values 0.91, 0.82, and 0.28, respectively, Mann–Whitney U test). Ability was significantly correlated with interest and expectations (p < 0.0001 Pearson rank correlation, rho 0.42 and 0.47, respectively) but not with experience (p = 0.9, rho − 0.01). Conclusions The implementation of artificial intelligence in the emergency and trauma setting is still in an early phase. The support of emergency and trauma surgeons is essential for the progress of AI in their setting which can be augmented by proper research and training programs in this area. Supplementary Information The online version contains supplementary material available at 10.1186/s13017-022-00413-3.
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Affiliation(s)
- Belinda De Simone
- Department of Emergency and Metabolic Minimally Invasive Surgery, Centre Hospitalier Intercommunal de Poissy/Saint Germain en Laye, 10 Rue de Champ Gaillard, Poissy Cedex, France.
| | - Fikri M Abu-Zidan
- Department of Surgery, College of Medicine and Health Sciences, UAE University, Al-Ain, United Arab Emirates
| | - Andrew A Gumbs
- Department of Emergency and Metabolic Minimally Invasive Surgery, Centre Hospitalier Intercommunal de Poissy/Saint Germain en Laye, 10 Rue de Champ Gaillard, Poissy Cedex, France
| | - Elie Chouillard
- Department of Emergency and Metabolic Minimally Invasive Surgery, Centre Hospitalier Intercommunal de Poissy/Saint Germain en Laye, 10 Rue de Champ Gaillard, Poissy Cedex, France
| | - Salomone Di Saverio
- Department of General Surgery, Ospedale Civile "Madonna del Soccorso", San Benedetto del Tronto, AP, Italy
| | - Massimo Sartelli
- Department of General Surgery, Macerata Hospital, Macerata, Italy
| | | | - Luca Ansaloni
- Department of General Surgery, University Hospital of Pavia, Pavia, Italy
| | | | - Yoram Kluger
- Department of Emergency and Trauma Surgery, Rambam Health Campus, Haifa, Israel
| | - Ernest E Moore
- Department of Surgery, School of Medicine and the Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado, Denver, CO, USA
| | - Andrej Litvin
- Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Ari Leppaniemi
- Department of Surgical Disciplines, Immanuel Kant Baltic Federal University, Regional Clinical Hospital, Kaliningrad, Russia
| | - Pietro Mascagni
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Luca Milone
- Department of General and Robotic Surgery, The Brooklyn Hospital Center, New York, USA
| | - Micaela Piccoli
- Division of General, Emergency Surgery and New Technologies, Ospedale Civile Di Baggiovara, Azienda Ospedaliero - Universitaria Di Modena, Modena, Italy
| | - Mohamed Abu-Hilal
- Hepato-Bilio-Pancreatic Minimally Invasive Surgery, Poliambulanza Foundation Hospital, Brescia, Italy
| | - Michael Sugrue
- Department of Surgery, Letterkenny University Hospital Ireland, Letterkenny, Ireland
| | - Walter L Biffl
- Department of Trauma and Acute Care Surgery, Scripps Memorial Hospital, La Jolla, CA, USA
| | - Fausto Catena
- Department of Emergency and Trauma Surgery, Bufalini Hospital, Cesena, Italy
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Abstract
Robot-assisted hepatobiliary surgery has been steadily growing in recent years. It represents an alternative to the open and laparoscopic approaches in selected patients. Endowristed instruments and enhanced visualization provide important advantages in terms of selective bleeding control, microsuturing, and dissection. Cholecystectomies and minor hepatectomies are being performed with comparable results to open and laparoscopic surgery. Even complex procedures, such as major and extended hepatectomies, can have excellent outcomes, in expert hands. The addition of indocyanine green fluorescence provides an additional advantage for recognition of the vascular and biliary anatomy. Future innovations will allow for expanding its use and indications. Robotic surgery has become a very important component of modern minimally invasive surgery and the development of new robotic technology will facilitate a broader adoption of this technique.
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Affiliation(s)
- L F Gonzalez-Ciccarelli
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois Hospital and Health Sciences System, 840 S Wood St, 60612, Chicago, IL, USA
| | - P Quadri
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois Hospital and Health Sciences System, 840 S Wood St, 60612, Chicago, IL, USA
| | - D Daskalaki
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois Hospital and Health Sciences System, 840 S Wood St, 60612, Chicago, IL, USA
| | - L Milone
- Brooklyn Hospital Center, Brooklyn, NY, USA
| | - A Gangemi
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois Hospital and Health Sciences System, 840 S Wood St, 60612, Chicago, IL, USA
| | - P C Giulianotti
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois Hospital and Health Sciences System, 840 S Wood St, 60612, Chicago, IL, USA.
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Zerbo S, Milone L, Scalici E, Procaccianti S, Nardello R, Ventura Spagnolo E, Piscionieri D, Argo A. Medico legal procedures related to sexual assault: a 10-year retrospective experience of a Daphne protocol application. Egypt J Forensic Sci 2018. [DOI: 10.1186/s41935-018-0039-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
More than a decade has passed since robotic technology was adopted for abdominal surgery, and virtually every gastrointestinal operation has since been shown to be feasible, safe, and reproducible using the robotic approach. Robotic pancreatic surgery had been left behind at the beginning, because they were technically challenging, requiring not only being very familiar with the robotic technology but also having a perfect knowledge of the anatomical variations, very frequent in this area. Nonetheless in the last few years many authors have approached the robot for pancreatic surgery with very promising results in terms of surgical and oncological outcomes. The aim of this article is to review the literature on robotic pancreatic surgery and to define the state of the art use of the robotic approach for pancreatic disease.
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Affiliation(s)
- Luca Milone
- Division of Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois at Chicago, 840 S Wood MC 958 Room 435 E, Chicago, IL, 60612, USA
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Daskalaki D, Fernandes E, Wang X, Bianco FM, Elli EF, Ayloo S, Masrur M, Milone L, Giulianotti PC. Indocyanine green (ICG) fluorescent cholangiography during robotic cholecystectomy: results of 184 consecutive cases in a single institution. Surg Innov 2014; 21:615-21. [PMID: 24616013 DOI: 10.1177/1553350614524839] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND/AIM Laparoscopic cholecystectomy is currently the gold standard treatment for gallstone disease. Bile duct injury is a rare and severe complication of this procedure, with a reported incidence of 0.4% to 0.8% and is mostly a result of misperception and misinterpretation of the biliary anatomy. Robotic cholecystectomy has proven to be a safe and feasible approach. One of the latest innovations in minimally invasive technology is fluorescent imaging using indocyanine green (ICG). The aim of this study is to evaluate the efficacy of ICG and the Da Vinci Fluorescence Imaging Vision System in real-time visualization of the biliary anatomy. METHODS A total of 184 robotic cholecystectomies with ICG fluorescence cholangiography were performed between July 2011 and February 2013. All patients received a dose of 2.5 mg of ICG 45 minutes prior to the beginning of the surgical procedure. The procedures were multiport or single port depending on the case. RESULTS No conversions to open or laparoscopic surgery occurred in this series. The overall postoperative complication rate was 3.2%. No biliary injuries occurred. ICG fluorescence allowed visualization of at least 1 biliary structure in 99% of cases. The cystic duct, the common bile duct, and the common hepatic duct were successfully visualized with ICG in 97.8%, 96.1%, and 94% of cases, respectively. CONCLUSIONS ICG fluorescent cholangiography during robotic cholecystectomy is a safe and effective procedure that helps real-time visualization of the biliary tree anatomy.
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Affiliation(s)
- Despoina Daskalaki
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
| | - Eduardo Fernandes
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
| | - Xiaoying Wang
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
| | | | | | - Subashini Ayloo
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
| | - Mario Masrur
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
| | - Luca Milone
- University of Illinois Hospital and Health Sciences System, Chicago, IL, USA
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Milone L, Coratti A, Daskalaki D, Fernandes E, Giulianotti PC. [Robotic hepatobiliary and gastric surgery]. Chirurg 2013; 84:651-64. [PMID: 23942961 DOI: 10.1007/s00104-013-2581-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Hepatobiliary surgery is a challenging surgical subspecialty that requires highly specialized training and an adequate level of experience in order to be performed safely. As a result, minimally invasive hepatobiliary surgery has been met with slower acceptance as compared to other subspecialties, with many surgeons in the field still reluctant about the approach. On the other hand, gastric surgery is a very popular field of surgery with an extensive amount of literature especially regarding open and laparoscopic surgery but not much about the robotic approach especially for oncological disease. Recent development of the robotic platform has provided a tool able to overcome many of the limitations of conventional laparoscopic hepatobiliary surgery. Augmented dexterity enabled by the endowristed movements, software filtration of the surgeon's movements, and high-definition three-dimensional vision provided by the stereoscopic camera, allow for steady and careful dissection of the liver hilum structures, as well as prompt and precise endosuturing in cases of intraoperative bleeding. These advantages have fostered many centers to widen the indications for minimally invasive hepatobiliary and gastric surgery, with encouraging initial results. As one of the surgical groups that has performed the largest number of robot-assisted procedures worldwide, we provide a review of the state of the art in minimally invasive robot-assisted hepatobiliary and gastric surgery.The English full-text version of this article is available at SpringerLink (under supplemental).
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Affiliation(s)
- L Milone
- Department of Surgery, Division of Minimally Invasive and Robotic Surgery, University of Illinois at Chicago, 840 S Wood MC 958 Room 435 E, 60612, Chicago, IL, USA
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Calapai G, Imbesi S, Cafeo V, Ventura Spagnolo E, Minciullo PL, Caputi AP, Gangemi S, Milone L. Fatal hypersensitivity reaction to an oral spray of flurbiprofen: a case report. J Clin Pharm Ther 2013; 38:337-8. [PMID: 23668805 DOI: 10.1111/jcpt.12073] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Accepted: 04/29/2013] [Indexed: 11/30/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Safety of the anti-inflammatory drug flurbiprofen is comparable with that of other non-steroidal anti-inflammatory drugs of the propionic acid class, which are commonly associated with gastrointestinal and renal side effects. Here we report a case of a fatal hypersensitivity reaction to an oral spray of flurbiprofen taken for sore throat. CASE SUMMARY A 29-year-old man came to the emergency care unit reporting sore throat with an intense burning sensation associated with fever. Pharyngotonsillitis was diagnosed, and local treatment with oral flurbiprofen spray was prescribed. Immediately after using the spray, the patient experienced a severe reaction characterized by serious dyspnoea, followed by death. The cause of death was heart failure with acute asphyxia from oedema of the glottis. The cause of death was concluded to be hypersensitivity to flurbiprofen spray. WHAT IS NEW AND CONCLUSION Oral propionic acid derivatives have been associated with a relatively high frequency of allergic reactions. However, allergy to flurbiprofen has rarely been documented. Scientific literature reports two relevant cases of hypersensitivity reaction to flurbiprofen: in one case, a patient presented with a maculopapular rash 48 h after having taken oral flurbiprofen followed by angio-oedema and hypotension. In another case, a single oral dose of flurbiprofen caused itching and swelling around the eyes, redness and increased lacrimation. We describe, for the first time, a fatal case of hypersensitivity reaction to flurbiprofen oral spray. Hypersensitivity reactions to flurbiprofen are infrequent; however, health professionals should be aware of potential adverse reactions, even during topical administration as oral spray.
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Affiliation(s)
- G Calapai
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
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Kopsombut G, Shoulson R, Milone L, Korner J, Lifante JC, Sebastian M, Inabnet WB. Partial small bowel resection with sleeve gastrectomy increases adiponectin levels and improves glucose homeostasis in obese rodents with type 2 diabetes. World J Surg 2012; 36:1432-8. [PMID: 22362044 DOI: 10.1007/s00268-012-1483-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND The aim of this study was to examine the effect of small bowel resection with and without sleeve gastrectomy on glucose homeostasis in an obese rodent model of type 2 diabetes. METHODS Zucker diabetic fatty rats were randomized into three surgical groups: Sham, small bowel resection, and small bowel resection with sleeve gastrectomy (BRSG). Weight and fasting glucose levels were measured at randomization and monitored after surgery. Oral glucose tolerance testing was performed at baseline and 45 days after surgery to assess glucose homeostasis and peptide changes. RESULTS At baseline, all animals exhibited impaired glucose tolerance and showed no difference in weight or fasting (area under the curve) AUC(glucose). At sacrifice, Sham animals weighed more than BRSG animals (p = 0.047). At day 45, the Sham group experienced a significant increase in AUC(glucose) compared to baseline (p = 0.02), whereas there was no difference in AUC(glucose) in either surgical group at any time point: BR (p = 0.58) and BRSG (p = 0.56). Single-factor ANOVA showed a significant difference in AUC(glucose) of p = 0.004 between groups postoperatively: Sham (50,745 ± 11,170) versus BR (23,865 ± 432.6) (p = 0.01); Sham versus BRSG (28,710 ± 3188.8) (p = 0.02). There was no difference in plasma insulin, GLP-1, or adiponectin levels before surgery, although 45 days following surgery adiponectin levels where higher in the BRSG group (p = 0.004). CONCLUSIONS Partial small bowel resection improved glucose tolerance independent of weight. The combination of small bowel resection and sleeve gastrectomy leads to an increase in adiponectin levels, which may contribute to improved glucose homeostasis.
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Affiliation(s)
- Gift Kopsombut
- College of Physicians and Surgeons, Columbia University, New York, New York, USA
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Lifante JC, Milone L, Korner J, Kopsombut G, Sebastian M, Inabnet WB. Sleeve Gastrectomy Improves Glucose Homeostasis in Zucker Diabetic Fatty Rats. Obes Surg 2012; 22:1110-6. [DOI: 10.1007/s11695-012-0660-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Affiliation(s)
- David Calatayud
- Division of General, Minimally Invasive and Robotic Surgery, Department of Surgery, University of Illinois at Chicago, Chicago, IL, USA
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Abstract
Laparoscopic transabdominal preperitoneal repair of a lumber hernia after laparoscopic retroperitoneal surgery can be performed safely with minimum postoperative pain. Lumbar hernias, rarely seen in clinical practice, can be acquired after open or laparoscopic flank surgery. We describe a successful laparoscopic preperitoneal mesh repair of multiple trocar-site hernias after extraperitoneal nephrectomy. All the key steps including creating a peritoneal flap, reducing the hernia contents, and fixation of the mesh are described. A review of the literature on this infrequent operation is presented. Laparoscopic repair of lumbar hernias has all the advantages of laparoscopic ventral hernia repair.
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Affiliation(s)
- Michel Gagner
- Herbert Wertheim College of Medicine, Florida International University, Department of Surgery, Miami, Florida, PO Box 336 H, Scarsdale, NY 10583, USA.
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Milone L, Edmondson D, Lebenthal A, Scott W. Multiple nerve blocks after video-assisted thoracic surgery (VATS). Surg Endosc 2011; 25:2731-2. [PMID: 21416183 DOI: 10.1007/s00464-011-1613-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2010] [Accepted: 02/03/2011] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Epidural analgesia and/or systemic narcotics are used for pain control after video-assisted thoracic surgery (VATS) lobectomy despite side effects. We report a video of a technique to safely place subpleural catheters in order to provide multiple nerve blocks and the results from our series comparing this technique to a standard post-operative analgesia protocol after VATS. METHODS At the end of the VATS wedge resection, two small incisions were made below and parallel to the position of the trocars, at the level of the anterior and posterior axillary line and an introducer was used to place a catheter subcutaneously. At this point, the introducer was curved, in a way to follow the anatomic shape of the costal margin of the patient, inserted into posterior incision and advanced in between the thoracic pleura and the ribs. Under direct vision from the thoracoscope and paying careful attention not to perforate the pleura, the guide was pushed toward the first rib by using a combination of blunt and hydro dissection. Once the guide reached the first rib, the introducer was removed and the catheter was left in place. RESULTS We evaluated 64 patients (29 patient-controlled analgesia (PCA), 35 SC). Propensity weighting produced two matched groups for further analysis. Mean total morphine dose and mean total morphine dose/body mass index (BMI) were both significantly decreased in the SC group for the 0-24 h period only (mean total morphine 38.1 vs. 27.8; P = 0.024 and mean total morphine/BMI 1.15 vs 0.79; P = 0.024). Complication rates did not differ between groups. CONCLUSIONS PCA narcotic analgesia with subpleural local anesthetic infusion provided similar pain control with less narcotic use in patients during the first 24 h after VATS lobectomy compared with PCA narcotic analgesia alone.
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Affiliation(s)
- Luca Milone
- Department of Surgery, Division of Thoracic Surgery, Fox Chase Cancer Center, Philadelphia, PA, USA
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Gumbs AA, Rodriguez Rivera AM, Milone L, Hoffman JP. Laparoscopic pancreatoduodenectomy: a review of 285 published cases. Ann Surg Oncol 2011; 18:1335-41. [PMID: 21207166 DOI: 10.1245/s10434-010-1503-4] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Indexed: 02/06/2023]
Abstract
BACKGROUND Given the difficulty level of minimally invasive pancreatoduodenectomy (MIPD), limited data exist for a comparison to open pancreatoduodenectomies. As the technique becomes more diffuse, issues regarding the adequacy of oncologic margins and lymph node retrieval need to be addressed. METHODS All published cases of MIPD were examined. Variables analyzed included conversion rates, operating room time, estimated blood loss, length of stay, follow-up, complications, mortality, lymph node retrieval, and margins. RESULTS Twenty-seven articles describing outcomes after MIPD were found, and a total of 285 cases were described. Main malignancy treated was pancreatic adenocarcinoma, accounting for 32% of all cases. Eighty-seven percent were performed totally laparoscopically, and 13% were performed with a hand-assisted approach to facilitate the reconstruction step of the procedure. The rate of conversion to an open procedure was 9%. Estimated blood loss had a weighted average (WA) of 189 mL. Average length of stay had a WA of 12 days, and average follow-up had a WA of 14 months. The overall complication rate was 48%, and the overall mortality rate was 2%. Average lymph nodes retrieved ranged from 7 to 36 nodes, with a WA of 15 nodes, and positive margins of resection were reported to be positive in 0.4% of patients with malignant disease. CONCLUSIONS This review found similar outcomes with respect to perioperative morbidity and mortality rates compared to open pancreatoduodenectomies. The oncologic goals of pancreatic resection may be able to be achieved by MIPD, but longer follow-up and larger series are still needed.
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Affiliation(s)
- Andrew A Gumbs
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA.
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Milone L, Okhunov Z, Gumbs AA. Laparoscopic diagnosis of annular pancreas in a patient with mucinous cystoadenoma of the body of the pancreas. J Gastrointest Cancer 2010; 43:367-9. [PMID: 21107752 DOI: 10.1007/s12029-010-9232-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Annular pancreas (AP) is a rare anomaly due to malrotation of the pancreatic ventral bud during embryologic development. AP has been extensively described in the pediatric population; however, in adults, the incidence has been reported to be only 1 in 22,000 patients with only a few cases presenting with simultaneous mucinous cystadenoma described in the recent literature. CASE REPORT We report the case of a 72-year-old female patient with a mucinous cystadenoma, who was found to have a concomitant AP during laparoscopic distal pancreatectomy. DISCUSSION The dual presentation of annual pancreas and mucinous cystoadenoma is an infrequent condition and can be managed with minimally invasive techniques; bypass in adults should only be performed in patients with symptomatic duodenal compression or recurrent bouts of pancreatitis.
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Affiliation(s)
- Luca Milone
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
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Gumbs AA, Fowler D, Milone L, Bessler M. Transvaginal Natural Orifice Transluminal Endoscopic Surgery Cholecystectomy: Is It the Best Route? Ann Surg 2010. [DOI: 10.1097/sla.0b013e3181d0d657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bessler M, Gumbs AA, Milone L, Evanko JC, Stevens P, Fowler D. Video. Pure natural orifice transluminal endoscopic surgery (NOTES) cholecystectomy. Surg Endosc 2010; 24:2316-7. [PMID: 20177936 DOI: 10.1007/s00464-010-0918-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2009] [Accepted: 11/15/2009] [Indexed: 12/12/2022]
Abstract
Enthusiasm for natural orifice transluminal endoscopic surgery (NOTES) has been partly tempered by the reality that most NOTES procedures to date have been laparoscopically assisted. After safely performing transvaginal cholecystectomy in an IACUC-approved porcine model, the authors embarked on an institution review board (IRB)-approved protocol for ultimate performance of pure NOTES cholecystectomy in humans. They describe their experience performing a true NOTES transvaginal cholecystectomy after safely accomplishing three laparoscopically assisted or hybrid procedures in humans. One of the patients was a 35-year-old woman presenting with symptoms of biliary colic. Ultrasound confirmed gallstones, and her liver enzymes were normal. Pneumoperitoneum to 15 mmHg was obtained via a transvaginal trocar placed through a colpotomy made under direct vision. A double-channel endoscope then was advanced into the abdomen. To overcome the retracting limitations of currently available endoscopes, the authors used an extra-long 5-mm articulating retractor placed into the abdomen via a separate colpotomy made under direct vision using the flexible endoscope in a retroflexed position. Endoscopically placed clips were used for control of both the cystic duct and the artery. These techniques obviated the need for any transabdominally placed instruments or needles. This patient was the first to undergo a completely NOTES cholecystectomy at the authors' institution, and to their knowledge, in the United States. She was discharged on the day of surgery and at this writing has not experienced any complication after 1 month of follow-up evaluation. Performance of NOTES transvaginal cholecystectomy without aid of laparoscopic or needleoscopic instruments is feasible and safe for humans. Additional experience with this technique are required before studies comparing it with standard laparoscopy and hybrid techniques are appropriate.
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Affiliation(s)
- Marc Bessler
- Department of Surgery, Columbia University College of Physicians and Surgeons, New York-Presbyterian Hospital, Herbert Irving Pavilion, New York, NY10032, USA.
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Choi J, Digiorgi M, Milone L, Schrope B, Olivera-Rivera L, Daud A, Davis D, Bessler M. Outcomes of laparoscopic adjustable gastric banding in patients with low body mass index. Surg Obes Relat Dis 2009; 6:367-71. [PMID: 20185374 DOI: 10.1016/j.soard.2009.09.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2009] [Revised: 08/13/2009] [Accepted: 09/25/2009] [Indexed: 11/19/2022]
Abstract
BACKGROUND The current National Institutes of Health guidelines have recommended bariatric surgery for patients with a body mass index (BMI) >40 kg/m(2) or BMI >35 kg/m(2) with significant co-morbidities. However, some preliminary studies have shown that patients with a BMI that does not meet these criteria could also experience similar weight loss and the benefits associated with it. METHODS An institutional review board-approved protocol was obtained to study the effectiveness of laparoscopic adjustable gastric banding in patients with a low BMI. A total of 66 patients with a BMI of 30-35 kg/m(2) and co-morbidities (n = 22) or a BMI of 35-40 kg/m(2) without co-morbidities (n = 44) underwent laparoscopic adjustable gastric banding. These patients were compared with 438 standard patients who had undergone laparoscopic adjustable gastric banding who met the National Institutes of Health criteria for bariatric surgery. The excess weight loss at 3, 6, 12, and 18 months and the status of their co-morbidities were compared between the 2 groups. RESULTS The average BMI for the study group was 36.1 +/- 2.6 kg/m(2) compared with 46.0 +/- 7.3 kg/m(2) for the control group. Both groups had significant co-morbidities, including hypertension, diabetes, hyperlipidemia, arthritis, gastroesophageal reflux disease, stress incontinence, and obstructive sleep apnea. The mean percentage of excess weight loss was 20.3% +/- 9.0%, 28.5% +/- 14.0%, 44.7% +/- 19.3%, and 42.2% +/- 33.7% at 3, 6, 12, and 18 months, respectively. This was not significantly different from the excess weight loss in the control group, except for at 12 months. Both groups showed similar improvement of most co-morbidities. CONCLUSION Moderately obese patients whose BMI is less than the current guidelines for bariatric surgery will have similar weight loss and associated benefits. Laparoscopic adjustable gastric banding is a safe and effective treatment for patients with a BMI of 30-35 kg/m(2).
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Affiliation(s)
- Jenny Choi
- Columbia University College of Physicians and Surgeons, New York, New York 10032, USA.
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19
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Abstract
Controversy exists as to the role of minimally invasive techniques in the management of early gallbladder cancer. The majority of early gallbladder cancers are diagnosed upon final pathology after laparoscopic cholecystectomy. For stage pT1a tumors, no further surgery is warranted; however, for pT1b or greater lesions, patients usually undergo port-site excisions and completion of open radical cholecystectomy involving a partial hepatectomy of segments IV and V and a lymphadenectomy of the hepatoduodenal ligament. Presented in this paper is a totally laparoscopic radical cholecystectomy performed for suspected early gallbladder cancer. Despite the fact that a preoperative serum IgG4 level was within normal limits, final pathology was consistent with autoimmune cholecystitis. As a result, the laparoscopic radical cholecystectomy may be useful in select patients with a preoperative suspicion of early-stage gallbladder cancer by sparing them the necessity of a second-stage open procedure.
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Affiliation(s)
- Andrew A Gumbs
- Department of Surgical Oncology, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA.
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DiGiorgi M, Rosen DJ, Choi JJ, Milone L, Schrope B, Olivero-Rivera L, Restuccia N, Yuen S, Fisk M, Inabnet WB, Bessler M. Re-emergence of diabetes after gastric bypass in patients with mid- to long-term follow-up. Surg Obes Relat Dis 2009; 6:249-53. [PMID: 20510288 DOI: 10.1016/j.soard.2009.09.019] [Citation(s) in RCA: 199] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2009] [Revised: 09/22/2009] [Accepted: 09/23/2009] [Indexed: 01/06/2023]
Abstract
BACKGROUND Studies have shown that type 2 diabetes (T2DM) improves or resolves shortly after Roux-en-Y gastric bypass (RYGB). Few data are available on T2DM recurrence or the effect of weight regain on T2DM status. METHODS A review of 42 RYGB patients with T2DM and >or=3 years of follow-up and laboratory data was performed. Postoperative weight loss and T2DM status was assessed. Recurrence or worsening was defined as hemoglobin A1c >6.0% and fasting glucose >124 mg/dL and/or medication required after remission or improvement. Patients whose T2DM recurred or worsened were compared with those whose did not, and patients whose T2DM improved were compared with those whose T2DM resolved. RESULTS T2DM had either resolved or improved in all patients (64% and 36%, respectively); 24% (10) recurred or worsened. The patients with recurrence or worsening had had a lower preoperative body mass index than those without recurrence or worsening (47.9 versus 52.9 kg/m2; P = .05), regained a greater percentage of their lost weight (37.7% versus 15.4%; P = .002), had a greater weight loss failure rate (63% versus 14%; P = .03), and had greater postoperative glucose levels (138 versus 102 mg/dL; P = .0002). Patients who required insulin or oral medication before RYGB were more likely to experience improvement rather than resolution (92% versus 8%, P <or=.0001; and 85% versus 15%; P = .0006, respectively). CONCLUSION Our results have shown that beyond 3 years after RYGB, the incidence of T2DM recurrence or worsening in patients with initial resolution or improvement was significant. In our patients, a greater likelihood of recurrence or worsening of T2DM was associated with a lower preoperative body mass index. Before widespread acceptance of bariatric surgery as a definitive treatment for those with T2DM can be achieved, additional study of this recurrence phenomenon is indicated.
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Affiliation(s)
- Mary DiGiorgi
- Columbia University Center for Metabolic and Weight Loss Surgery, Columbia University Medical Center, New York Presbyterian Hospital, New York, New York 10032, USA.
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Gumbs AA, Fowler D, Milone L, Evanko JC, Ude AO, Stevens P, Bessler M. Transvaginal natural orifice translumenal endoscopic surgery cholecystectomy: early evolution of the technique. Ann Surg 2009; 249:908-12. [PMID: 19474690 DOI: 10.1097/sla.0b013e3181a802e2] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Initial excitement for Natural Orifice Transluminal Endoscopic Surgery (NOTES) has been partly tempered by the reality that a NOTES procedure without laparoscopic or needleoscopic-assistance has not been performed by most groups. After safely performing laparoscopically-assisted transvaginal cholecystectomy in an IACUC-approved porcine model, we embarked on an IRB-approved protocol to ultimately perform a pure NOTES cholecystectomy. MATERIALS AND METHODS We describe our experience with performing a true NOTES tansvaginal cholecystectomy after safely accomplishing 3 laparoscopically-assisted hybrid NOTES procedures in humans. To overcome the retracting limitations of currently available endoscopes, we used a 5-mm curved or articulating retractor that was placed into the abdomen via a separate colpotomy in the second and third patient. In a fourth patient, pneumoperitoneum to 15 torr was obtained via a transvaginal trocar placed through a colpotomy made under direct vision and endoscopically placed clips were used for both the cystic duct and artery, thus, obviating the need for any transabdominally placed instruments or needles. RESULTS This patient was the first patient to undergo a completely NOTES cholecystectomy at our institution and to our knowledge in the United States. She was discharged on the day of surgery and has not suffered any complication after 1 month of follow-up. CONCLUSION Pure NOTES transvaginal cholecystectomy without aid of laparoscopic or needleoscopic instruments is feasible and safe in humans. Additional experience with this technique will be required before comparative studies to standard laparoscopy and hybrid techniques are appropriate.
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Affiliation(s)
- Andrew A Gumbs
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
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Choi JJ, DiGiorgi M, Milone L, Daud A, Olivero-Rivera L, Schrope B, Davis D, Bessler M. PL-113: Outcomes of laparoscopic adjustable gastric banding in low BMI patients. Surg Obes Relat Dis 2009. [DOI: 10.1016/j.soard.2009.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
A recently convened Consortium at the Cleveland Clinic agreed on the term Laparo-Endoscopic Single-Site (LESS) surgery to describe minimally invasive techniques that use a single incision to accomplish laparoscopic procedures. These procedures are done by using either a single port through one fascial incision or multiple ports placed through separate fascial incisions. Because of cost containment issues and the lack of widespread availability of a single port, we currently use multiple reusable ports placed through three separate fascial incisions via a transumbilical incision. As opposed to standard laparoscopic cholecystectomy, a deflecting laparoscope and one articulating instrument are utilized to improve the safety and ease of this procedure. Presented in this video are the steps necessary to perform a LESS cholecystectomy via a transumbilical incision with commercially available instruments.
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Affiliation(s)
- Andrew A Gumbs
- Department of Surgery, Division of Upper GI and Endocrine Surgery, Columbia University College of Physicians and Surgeons/New York Presbyterian Hospital, 161 Fort Washington Ave, 8th Floor, New York, NY 10032, USA.
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24
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Inabnet W, Milone L, Harris P, Durak E, Freeby M, Ahmed L, Sebastian M, Lifante J, Bessler M, Korner J. 158. The Utility of [11C] Dihydrotetrabenazine (DTBZ) PET Scanning in Assessing β-Cell Performance in Non-Obese Type 2 Diabetic Rodents Undergoing Sleeve Gastrectomy and Duodenal-Jejunal Bypass. J Surg Res 2009. [DOI: 10.1016/j.jss.2008.11.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Inabnet WB, Milone L, Korner J, Durak E, Ahmed L, Pomrantz J, Harris PE, Bessler M. A rodent model of metabolic surgery for study of type 2 diabetes and positron emission tomography scanning of beta cell mass. Surg Obes Relat Dis 2008; 5:212-7. [PMID: 19136315 DOI: 10.1016/j.soard.2008.09.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 08/01/2008] [Accepted: 09/02/2008] [Indexed: 10/21/2022]
Abstract
BACKGROUND Type 2 diabetes mellitus is a worldwide healthcare problem with major socioeconomic implications. Metabolic surgical procedures have been shown to improve diabetes, but the mechanism of action is poorly understood. The Goto-Kakizaki (GK) rodent is a type 2 diabetic animal model that is ideally situated for studying the effect of surgery on diabetes; however, the operative mortality is high. The aim of this study was to describe the operative technique, improvements in perioperative management, and the technique of micro-positron emission tomography (PET) scanning of the beta-cell mass in GK rodents. METHODS A total of 53 GK rats were divided into 1 of 3 operative groups: sham, sleeve gastrectomy, and duodenojejunal bypass. A subset of animals underwent micro-PET scanning with [11C]-dihydrotetrabenazine to determine the vesicular monoamine transporter 2 binding index, an indicator of beta-cell mass. RESULTS The 30-day mortality in the sham and sleeve gastrectomy rodents was 0; however, 2 sleeve gastrectomy rodents developed enterocutaneous fistula and 1 developed an abscess. In the duodenojejunal bypass group, the initial mortality rate was close to 90%; however, refinements in the surgical technique and perioperative management (fluids, antibiotics, pain control) lowered the mortality rate to 60%. The surgical technique is discussed in detail. [11C]-Dihydrotetrabenazine uptake in the pancreas was demonstrated on micro-PET scanning in the sham and duodenojejunal bypass rodents. CONCLUSION Intensive medical management in the perioperative period and attention to the operative technique lowered the mortality. [11C]-Dihydrotetrabenazine micro-PET scanning is a feasible method for assessing the beta-cell mass in GK rodents and could prove to be an important modality for evaluating beta-cell performance in type 2 diabetes.
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Affiliation(s)
- William B Inabnet
- Division of Gastrointestinal and Endocrine Surgery, Department of Surgery, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA.
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26
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Durak E, Inabnet WB, Schrope B, Davis D, Daud A, Milone L, Bessler M. Incidence and management of enteric leaks after gastric bypass for morbid obesity during a 10-year period. Surg Obes Relat Dis 2008; 4:389-93. [DOI: 10.1016/j.soard.2007.11.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2007] [Revised: 10/12/2007] [Accepted: 11/26/2007] [Indexed: 11/17/2022]
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Bessler M, Stevens PD, Milone L, Hogle NJ, Durak E, Fowler D. Multimedia article: Transvaginal laparoscopic cholecystectomy: laparoscopically assisted. Surg Endosc 2008; 22:1715-6. [PMID: 18322746 DOI: 10.1007/s00464-008-9779-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2007] [Revised: 08/29/2007] [Accepted: 11/28/2007] [Indexed: 12/14/2022]
Abstract
Natural orifice transluminal endoscopic surgery (NOTES) is considered the new frontier for minimally invasive surgery. NOTES procedures such as peritoneoscopy, splenectomy, and cholecystectomy in animal models have been described. The aim of our experiment was to determine the feasibility and technical aspects of a new endoluminal surgical procedure. After approval from Columbia's IACUC, a transvaginal laparoscopically assisted endoscopic cholecystectomy was performed on four 30 kg Yorkshire pigs. The first step was to insert a 1.5 cm endoscope into the vagina under direct laparoscopic vision. Then the gallbladder was reached and, with the help of a laparoscopic grasper to hold up the gallbladder, the operation was performed. At the end of the procedure the gallbladder was snared out through the vagina attached to the endoscope. There were no intraoperative complications such as bleeding, common bile duct or endo-abdominal organ damage. Total operative time ranged between 110 and 155 min. Based on our experience in the porcine model, we believe that a transvaginal endoscopic cholecystectomy is feasible in humans.
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Affiliation(s)
- Marc Bessler
- Department of Surgery, Columbia University College of Physicians and Surgeons, 161 Fort Washington Avenue, Suite 620, New York, NY 10032, USA.
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Consten ECJ, Dakin GF, Robertus JL, Bardaro S, Milone L, Gagner M. Perioperative outcome of laparoscopic left lateral liver resection is improved by using a bioabsorbable staple line reinforcement material in a porcine model. Surg Endosc 2008; 22:1188-93. [PMID: 18246395 PMCID: PMC2358937 DOI: 10.1007/s00464-007-9718-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2006] [Revised: 10/17/2007] [Accepted: 11/02/2007] [Indexed: 12/25/2022]
Abstract
HYPOTHESIS Laparoscopic liver surgery is significantly limited by the technical difficulty encountered during transection of substantial liver parenchyma, with intraoperative bleeding and bile leaks. This study tested whether the use of a bioabsorble staple line reinforcement material would improve outcome during stapled laparoscopic left lateral liver resection in a porcine model. STUDY DESIGN A total of 20 female pigs underwent stapled laparoscopic left lateral liver resection. In group A (n = 10), the stapling devices were buttressed with a bioabsorbable staple line reinforcement material. In group B (n = 10), standard laparoscopic staplers were used. Operative data and perioperative complications were recorded. Necropsy studies and histopathological analysis were performed at 6 weeks. Data were compared between groups with the Student's t-test or the chi-square test. RESULTS Operating time was similar in the two groups (64 +/- 11 min in group A versus 68 +/- 9 min in group B, p = ns). Intraoperative blood loss was significantly higher in group B (185 +/- 9 mL versus 25 +/- 5 mL, p < 0.05). There was no mortality. There was no morbidity in the 6-week follow-up period; however, two animals in group B had subphrenic bilomas (20%) at necropsy. At necropsy, methylene blue injection via the main bile duct revealed leakage from the biliary tree in four animals in group B and none in group A (p < 0.05). Histopathological examination of the resection site revealed minor abnormalities in group A while animals in group B demonstrated marked fibrotic changes and damaged vascular and biliary endothelium. CONCLUSION Use of a bioabsorbable staple line reinforcement material reduces intraoperative bleeding and perioperative bile leaks during stapled laparoscopic left lateral liver resection in a porcine model.
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Affiliation(s)
- Esther C. J. Consten
- Department of Surgery, Meander Medical Center, Teaching Hospital affiliated to the University Medical Center Utrecht, Utrechtseweg 160, Amersfoort, JB 3816 The Netherlands
| | - Gregory F. Dakin
- Department of Surgery, Weill College of Medicine, Cornell University, 525 East 68th Street, Box 294, New York, NY 10021 USA
| | - Jan-Lukas Robertus
- Department of Pathology and Laboratory Medicine, University Medical Center, Groningen, The Netherlands
| | - Sergio Bardaro
- Department of Surgery, Weill College of Medicine, Cornell University, 525 East 68th Street, Box 294, New York, NY 10021 USA
| | - Luca Milone
- Department of Surgery, Weill College of Medicine, Cornell University, 525 East 68th Street, Box 294, New York, NY 10021 USA
| | - Michel Gagner
- Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140 USA
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Gagner M, Milone L, Yung E, Broseus A, Gumbs AA. Causes of early mortality after laparoscopic adjustable gastric banding. J Am Coll Surg 2008; 206:664-9. [PMID: 18387472 DOI: 10.1016/j.jamcollsurg.2007.11.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2006] [Revised: 11/05/2007] [Accepted: 11/27/2007] [Indexed: 01/17/2023]
Abstract
BACKGROUND Laparoscopic adjustable gastric banding (LAGB) is 1 of the most used surgical procedures to treat obesity, with > 120,000 bands positioned around the world. LAGB is considered a safe and technically simple procedure, but it has many longterm complications, such as erosion, bleeding that requires reoperations, and sometimes even death of the patient. STUDY DESIGN This article reviews the deaths after LAGB reported in the literature. Eight hundred eighty articles were reviewed from 1994 to May 2006, using the PubMed Web site and French, English, and Australian health Web sites. RESULTS Data from 9,682 patients were collected from 24 articles and 48 (0.51%) deaths were reported. Twenty-eight patients died within 30 days of the operation, including 3 intraoperative deaths; 16 patients died 30 or more days after operation; and in 4 patients, the timing of death was not stated in the articles. Pulmonary embolism was the most frequent cause of death, in 11 (22.9%) patients, followed by myocardial infarction in 6 (12.5%) patients. Nine (18.7%) deaths were directly related to band positioning. Longterm mortality rates from LAGB, or reoperations from inadequate weight loss, could not be assessed. CONCLUSIONS Although technically simple, LAGB has both short- and longterm complications that can be fatal for patients. We recommend surgeons consider perioperative pulmonary embolism prophylaxis and preoperative coronary evaluations on all patients.
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Affiliation(s)
- Michel Gagner
- Department of Surgery, Mount Sinai Medical Center, Miami Beach, Florida 33140, USA.
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Bessler M, Stevens PD, Milone L, Parikh M, Fowler D. Transvaginal laparoscopically assisted endoscopic cholecystectomy: a hybrid approach to natural orifice surgery. Gastrointest Endosc 2007; 66:1243-5. [PMID: 17892873 DOI: 10.1016/j.gie.2007.08.017] [Citation(s) in RCA: 216] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2007] [Accepted: 08/13/2007] [Indexed: 02/08/2023]
Affiliation(s)
- Marc Bessler
- Department of Surgery, Columbia University College of Physicians & Surgeons, New York, New York 10032, USA
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Milone L, Daud A, Durak E, Olivero-Rivera L, Schrope B, Inabnet WB, Davis D, Bessler M. Esophageal dilation after laparoscopic adjustable gastric banding. Surg Endosc 2007; 22:1482-6. [PMID: 18027041 DOI: 10.1007/s00464-007-9651-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2007] [Revised: 07/09/2007] [Accepted: 08/29/2007] [Indexed: 01/28/2023]
Abstract
BACKGROUND Esophageal dilation can occur after laparoscopic adjustable gastric banding (LAGB). There are few studies in the literature that describe the outcomes of patients with esophageal dilation. The aim of this article is to evaluate weight loss and symptomatic outcome in patients with esophageal dilation after LAGB. METHODS We performed a retrospective chart review of all LAGBs performed at Columbia University Medical Center from March 2001 to December 2006. Patients with barium swallow (BaSw) at 1 year after surgery were evaluated for esophageal diameter. A diameter of 35 mm or greater was considered to be dilated. Data collected before surgery and at 6 months and 1, 2 and 3 years after surgery were weight, body mass index (BMI), status of co-morbidities, eating parameters, and esophageal dilation as evaluated by BaSw. RESULTS Of 440 patients, 121 had follow-up with a clinic visit and BaSw performed at 1 year. Seventeen patients (10 women and 7 men) (14%) were found to have esophageal dilation with an average diameter of 40.9 +/- 4.6 mm. There were no significant differences in percent of excess weight lost at any time point; however, GERD symptoms and emesis were more frequent in patients with dilated esophagus than in those without dilation. Intolerance of bread, rice, meat, and pasta was not different at any time during the study. CONCLUSIONS In our experience the incidence of esophageal dilation at 1 year after LAGB was 14%. The presence of dilation did not affect percent excess weight loss (%EWL). GERD symptoms and emesis are more frequent in patients who develop esophageal dilation.
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Affiliation(s)
- L Milone
- Department of Surgery, Minimal Access Surgery Center, Columbia University College of Physician and Surgeons, 630 West 168 Street, New York, New York 10032, USA
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Ueda K, Gagner M, Milone L, Bardaro SJ, Gong K. Sleeve gastrectomy with wrapping using polytetrafluoroethylene to prevent gastric enlargement in a porcine model. Surg Obes Relat Dis 2007; 4:84-90. [PMID: 17400032 DOI: 10.1016/j.soard.2006.12.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2006] [Revised: 12/17/2006] [Accepted: 12/20/2006] [Indexed: 01/22/2023]
Abstract
BACKGROUND The safety and efficacy of laparoscopic sleeve gastrectomy followed by biliopancreatic diversion with duodenal switch for morbid obesity has been well established. We previously recommended 2-stage laparoscopic biliopancreatic diversion with duodenal switch for super-super obese patients. In the 2-stage version, these patients undergo laparoscopic sleeve gastrectomy as a first-stage procedure, followed by laparoscopic biliopancreatic diversion with duodenal switch as the second stage for more definitive treatment of their obesity. However, short-term weight regain may occur owing to gastric dilation after initial laparoscopic sleeve gastrectomy. The aim of this study was to prevent gastric dilation after sleeve gastrectomy. We designed a sleeve gastrectomy with wrapping using polytetrafluoroethylene dual mesh. METHODS Eleven Yorkshire pigs weighing 20-25 kg underwent sleeve gastrectomy with wrapping using polytetrafluoroethylene dual mesh (wrapping group) or sleeve gastrectomy only (control group) to compare the weight loss. The animals were weighed weekly postoperatively. Necropsy was performed 8 weeks postoperatively to confirm the wrapping by pathologic report. RESULTS Four pigs died because of staple line failure or strangulation; no perioperative complications occurred in the other pigs. The operative time for the control group was 198 +/- 60 minutes and for the wrapping group was 181 +/- 86 minutes (P = NS). The average weight of the removed stomach was 123.3 +/- 5.8 g in the control group and 140.3 +/- 69.9 g in the wrapping group (P = NS). The postoperative weight gain at 8 weeks was significantly slower in the wrapping group than in the control group (P <.0001). The pathologic necropsy report noted that the mesh was well attached to the stomach wall at 9 days postoperatively, with no unexpected deaths. CONCLUSION Sleeve gastrectomy with wrapping using polytetrafluoroethylene dual mesh is feasible, and weight gain was reduced in the porcine model.
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Affiliation(s)
- Kazuki Ueda
- Department of Surgery, Weill Medical College of Cornell University, New York-Presbyterian Hospital, New York, New York, USA
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Abstract
BACKGROUND Laparoscopic Roux-en-Y gastric bypass (LRYGBP) is highly effective for morbid obesity. However, the long-term effects in the bypassed segments are unknown. The aim of this study is to evaluate gastrin and histologic changes in bypassed segments after LRYGBP. METHODS 10 50-kg pigs were subjected to LRYGBP. Preoperative weight and serum gastrin were compared with similar measures at 6 months postoperatively, when the pigs were euthanized. At necropsy, full-thickness gastric, duodenal, and jejunal biopsies were performed. Normal biopsies were obtained from a control group of 10 pigs. RESULTS 1 pig died at 3 months postoperatively because of an intestinal intussusception. In the remaining 9 pigs, weight increased after surgery from 52+/-2.2 kg to 55+/-1.9 kg. Serum gastrin was unchanged after surgery (mean 68.2 vs 68.3 pg/mL at 3 months and 61.7 pg/mL at 6 months). Histology showed no abnormalities from sections in all control pigs, and in 7 of the LRYGBP pigs as well. 1 LRYGBP pig was found to have hyperplastic duodenal glands, jejunal mucosa with mild chronic inflammation, and gastric mucosa with focal erosive gastritis. 1 LRYGBP pig had jejunal sections showing Peyer's patches. CONCLUSION LRYGBP is not associated with gastrin changes and major histologic changes in the bypassed segments, at 6 months postoperatively in the porcine model.
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Affiliation(s)
- Paolo Gentileschi
- Department of Surgery, New York Presbyterian Hospital, Weill College of Medicine of Cornell University, NY 10021, USA
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Milone L, Gagner M, Ueda K, Bardaro SJ, Ki-Young Y. Effect of a Polyethylene Endoluminal Duodeno-Jejunal Tube (EDJT) on Weight Gain: A Feasibility Study in a Porcine Model. Obes Surg 2006; 16:620-6. [PMID: 16687032 DOI: 10.1381/096089206776944977] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Decreased absorption of nutrients results in weight loss. Apart from a surgical bypass or restriction, or pharmacological manipulations, novel approaches include endoluminal devices placed inside the stomach or intestine which could be used to achieve weight loss. Our goal is to verify the technical feasibility of an Endoluminal Duodeno-Jejunal Tube (EDJT) in reducing weight gain in a living porcine model and its safety in a short to medium survival. METHODS 8 45-kg Yorkshire pigs were used for this study. 4 pigs were used as controls, whereas 3 pigs had a 180-cm and 1 had a 360-cm EDJT implanted and fixed to the first part of the duodenum proximal to the ampulla of Vater with a solenoid circumferential suture by way of a duodenotomy. The EDJT is a 25-mm diameter and 0.05-mm thickness polyethylene tube. The intent was to avoid the mixing of food and biliopancreatic juice for its entire length. RESULTS Each pig was evaluated daily for symptoms of distress and weighed weekly for 7 weeks. No major complications were observed. The percentage weight changes 7 weeks after surgery in the control group, 180-cm group, and 360-cm group were 22.5%, 6%, and -2.8%, respectively. The EDJT groups (180-cm, 360-cm) had significantly slower weight gains than the control group (P=0.005). CONCLUSION Use of an EDJT is safe; no major complications, such as obstruction, intussusception, or pancreatitis occurred. The EDJT slowed weight gain dramatically in a porcine model when compared to the controls. A trend of reduced weight gain was obtained with a longer tube.
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Affiliation(s)
- Luca Milone
- Department of Surgery, New York Presbyterian Hospital, Weill College of Medicine of Cornell University, 525 East 68th Street, New York, NY 10021, USA
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Milone L, Gagner M, Ueda K, Bardaro S, Ki-Youg Y. 39. Surg Obes Relat Dis 2006. [DOI: 10.1016/j.soard.2006.04.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Mattioli F, Puglisi M, Ceppa P, Peresi M, Borgonovo G, Ansaldo G, Varaldo E, Milone L, Assalino M, Torre GC. Gastrointestinal stromal tumors: clinical pathological review of a personal series. Chir Ital 2005; 57:579-87. [PMID: 16241088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The Authors report their experience on the management of gastrointestinal stromal tumors (GISTs). In addition to recent cases immediately diagnosed as GISTs, a pathological review of stored material from non-epithelial tumors of the gastrointestinal tract operated on over the past 20 years was performed. Twenty-three out of a total of 31 cases were shown to be positive for the immunophenotypic characteristics (CD117/CD34) of GISTs. Most cases (approximately 60%) were symptomatic, with hemorrhage being the most common presenting sign, followed by occlusion, pain and perforation. Asymptomatic cases were detected incidentally during procedures for other conditions. Diagnostic techniques (ultrasound, endoscopy, endoscopic ultrasound, X-ray, CT, MRI) allowed only the detection of wall (extraluminal) involvement. Apart from differentiating between benign and malignant, preoperative biopsy was seldom valuable. All cases were treated surgically, with intervention tailored to location and anatomical/surgical and anatomical/pathological features. Long-term follow-up was conducted in all patients and for most is still ongoing: five patients died from recurrent disease at varying intervals after surgery (from 17 to 102 months). Relationships between observed aggressiveness and risk were studied. Parameters that may prove useful for the early detection and appropriate management of these lesions are discussed.
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Affiliation(s)
- Francescopaolo Mattioli
- DICMI - Dipartimento Discipline Chirurgiche Morfologiche e Metodologie Integrate, Università degli Studi di Genova
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Milone L, Strong V, Gagner M. Laparoscopic sleeve gastrectomy is superior to endoscopic intragastric balloon as a first stage procedure for super-obese patients (BMI > or =50). Obes Surg 2005; 15:612-7. [PMID: 15946449 DOI: 10.1381/0960892053923833] [Citation(s) in RCA: 188] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND The treatment of patients with a BMI > or =50 kg/m2 is still controversial. Given the many co-morbidities and oftentimes fragile health of super-obese patients, surgeons experienced in bariatrics often advocate a less invasive first stage operation for these patients. This allows them enough weight loss to support a more major second-stage operation such as a gastric bypass or a biliopancreatic diversion/duodenal switch. Thus, the aim of this study was to compare laparoscopic sleeve gastrectomy (LSG) and the BioEnterics intragastric balloon (BIB) as a first-stage procedure for effective initial weight loss before more definitive surgery. METHODS 20 patients (13 males and 7 females) who underwent LSG from May 2001 to December 2002 were compared with 57 patients (33 males and 24 females) obtained as historical controls from two large series who underwent BIB. Patients were evaluated at 6 months in terms of: weight, BMI, percent of excess weight loss (%EWL) and change in BMI. RESULTS There were no differences between groups for age, weight and BMI. There were no complications for patients under-going the LSG. For patients undergoing BIB, 4 patients (7%) had the balloon removed due to intolerance. The mean weight loss for patients undergoing LSG and BIB at 6 months was 45.5 vs 22.3 kg respectively, and the %EWL was 35 for LSG vs 24 for BIB. BMI decreased respectively from 69 to 53 for the LSG group and from 59 to 51 for the BIB group. Weight loss decreased co-morbidities in 90% of patients after both procedures. CONCLUSION Patients undergoing a LSG showed a faster and greater weight loss than those using a BIB at 6 months. Moreover, LSG is a safe procedure, with reproducible results, in contrast to the BIB which was tolerated by 93% of patients. The results indicate that both mean weight loss and %EWL were better in the LSG group, and that BMI decreased substantially more in the LSG group as well. Although the BIB procedure shows efficacy in reducing weight, the LSG group does so faster and to a greater amount, thus suggesting that this may be a superior procedure as a first stage for super-obesity.
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Affiliation(s)
- Luca Milone
- Department of Surgery, New York Presbyterian Hospital, Weill College of Medicine of Cornell University, New York, NY 10021, USA
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Mattioli F, Puglisi M, Varaldo E, Ciciliot M, Milone L. [Inguinal hernia recurrence. Report of our personal experience]. Chir Ital 2005; 57:47-51. [PMID: 15832737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
In our previous studies, we reasserted the concept regarding the fundamental role of the transversalis fascia in securing and maintaining restraint on the abdominal wall in correspondence with the "inguinal fissure", which is considered a hiatus and a weak point. The role played by the transversalis fascia was first proposed by Edoardo Bassini and later reaffirmed by other authors, surgeons and anatomists. This concept led to the belief that the procedures deemed effective in treating inguinal hernia were those capable of strengthening or substituting the transversalis fascia. In a recent study we compared the immediate and long-term results of three techniques: Bassini, Lichtenstein and preperitoneal prosthesis by inguinal way. A lower number of recurrences was noted in the latter as compared to the others. Based on the aforementioned points, the same verification was carried out regarding recurrent inguinal hernia. The results concerning the incidence of relapse were similar, proving once again the effectiveness of the preperitoneal prosthesis (2.5% vs 6.6% for Lichtenstein). We have also attempted to identify the factors which were considered possible causes of recurrence in the previous cases we examined, allowing us to reach useful conclusions in the prevention of hernia recurrence.
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Affiliation(s)
- Francescopaolo Mattioli
- Dipartimento di Discipline Chirurgiche, Morfologiche e Metodologie Integrate, Università degli Studi di Genova
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Mattioli F, Puglisi M, Varaldo E, Bottaro P, Milone L, Ciciliot M, Millo F. [Anatomical thyroid abnormalities. Quadrilobate thyroid gland: a case report and review of the literature]. Chir Ital 2004; 56:551-5. [PMID: 15452995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Abnormalities of the thyroid gland and of some adjacent structures arouse interest because of their surgical implications. One need only think of a non-recurrent laryngeal nerve, of thyroid hemiagenesis or of a quadrilobate thyroid gland, as in the case described here. To the best of the authors' knowledge, no similar reports of such a case are present in the medical literature. The patient was a 37-year-old woman suffering from Graves' disease. The abnormality was detected only during surgical examination and consisted in two lobes divided by a cleft on each side and joined by an isthmus. After a number of considerations regarding the anatomical details of this case and a review of the literature, the authors attempt to give an embryological interpretation and formulate the hypothesis that the second lateral lobe could be a development of the widely studied and controversial embryological anlage, the so-called "lateral thyroid".
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Affiliation(s)
- Francescopaolo Mattioli
- Università degli Studi di Genova, Dipartimento di Discipline Chirurgiche Morfologiche e Metodologie Integrate, DICMI
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Milone L, Turner P, Gagner M. Laparoscopic surgery for pancreatic tumors, an uptake. MINERVA CHIR 2004; 59:165-73. [PMID: 15238890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Laparoscopy is not universally accepted as the best approach for pancreatic tumor disease. It is considered an élite surgical approach especially because of the technical difficulties involved; and the highly trained surgeons that are required to perform these operations. In addition, long operation times and lack of reduction in length of hospital stay press for the use of the laparotomic approach instead of a laparoscopic one. Four major areas of interest have been focused on: pancreaticoduodenectomy, pancreas resection and enucleation, the increasingly important areas of diagnostic laparoscopy for staging of pancreatic cancer and laparoscopic palliation of unresectable pancreatic cancer. A review of the literature about laparoscopic management of pancreatic tumors disease has been examined: 14 laparoscopic pancreaticoduodenectomies, 93 pancreatic resections, 41 enucleations, 4 left pancreatectomies and 2 hand assisted enucleations have been described since 1994. The laparoscopic distal pancreas resection and enucleation appear to be the best treatment option for lesions located in the body and tail of the gland; conversely laparoscopy may not be indicated for lesions located in the head of the gland. The laparoscopic approach today, does not present advantages in terms of post-operative outcome and operation times than the laparotomic approach. The hand assisted approach may be helpful in difficult cases to facilitate the operation; it permits an easier and safer dissection still conserving a minimally invasive approach. Moreover, laparoscopy is also becoming the best approach for tumor staging and palliation, and many surgeons use the laparoscopy to obtain the most information with the minimal damage in a situation already compromised by a weakening disease.
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Affiliation(s)
- L Milone
- Department of Surgery, New York Presbyterian Hospital, Weill College of Medicine of Cornell University, New York, NY, USA
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Gianiorio FE, Ciciliot M, Milone L, Casu M. Oesophageal motor disorders in Type 1 diabetic patients. Diabetes Nutr Metab 2004; 17:68-71. [PMID: 15163130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Affiliation(s)
- F E Gianiorio
- Department of Internal Medicine, University of Genoa, Genoa, Italy.
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Abstract
The gastrointestinal tract, particularly the oesophagus, is affected in about half of all patients with systemic sclerosis. Only a few studies so far have dealt with the anorectal tract. We studied the anal function using anorectal manometry in 12 patients with limited systemic sclerosis. We also studied the oesophageal function. For the oesophagus, we measured the difference between intragastric and oesophageal pressure, while for the anorectal tract we investigated the maximum resting pressure, the maximum voluntary squeeze effort and the rectoanal inhibitory reflex. Maximum resting pressure and maximum voluntary squeeze effort were found to be decreased in all patients. The rectoanal inhibitory reflex was abnormal in four patients. Statistical analysis showed a significant correlation between maximum resting pressure and maximum voluntary squeeze effort. No correlation was found between oesophageal and anorectal involvement. Anorectal dysfunction is common in patients with limited systemic sclerosis. We suggest that these patients should have an evaluation of their anorectal function including anorectal manometry.
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Aime S, Gobetto R, Osella D, Milone L, Rosenberg E. Relationships between structure and ligand dynamics in organometal clusters. Organometallics 2002. [DOI: 10.1021/om00064a012] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Aime S, Osella D, Milone L, Hawkes GE, Randall EW. High-field oxygen-17 NMR spectroscopy: solution structures and dynamics of oxygen-17 enriched dodecacarbonyltetracobalt and dodecacarbonylhydroiron dicobaltate. J Am Chem Soc 2002. [DOI: 10.1021/ja00409a055] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Maresi E, Orlando E, Becchina G, Milone L, Procaccianti P, Campesi G. [Anomalous origin of the right coronary from the left sinus of Valsalva. A possible cause of juvenile sudden death]. G Ital Cardiol 1993; 23:995-1003. [PMID: 8174867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Anomalous origin of the right coronary artery from the left sinus of Valsalva is a rare congenital anomaly classified as a "minor" anomaly of no clinical importance. Recently, manifestations of myocardial ischemia (angina pectoris, myocardial infarction, nonfatal ventricular fibrillation, sudden death) have been described in patients with this anomaly in the absence of atherosclerosis or other. Sudden death occurs frequently in symptomatic patients and rarely in asymptomatic patients (sudden unexpected death). In this study we report two cases of juvenile sudden death observed in asymptomatic patients with anomalous origin of the right coronary artery from the left sinus of Valsalva. In both cases the sudden death was exertion-related. In case 1 the coronary anomaly was the cause of death, since it was the only significant anatomic abnormality at necropsy; the microscopic findings revealed ischemic lesions only in the myocardium supplied by the anomalous right coronary artery. In case 2 the coronary anomaly was connected to other cardiac and non cardiac diseases (lymphocytic active myocarditis, chronic portitis, encephalitis, medullary adrenalitis). Since these morphologic lesions were extremely slight and there was no adrenal catecholamine damage in the myocardium, we consider negligible their possible role in determining death, which in this case was induced by the congenital coronary anomaly. The cardiac microscopic findings, also in this case, revealed ischemic lesions in the myocardium supplied by the anomalous right coronary artery.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- E Maresi
- Istituto di Anatomia Patologia, Università di Palermo
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Raverdino V, Aime S, Milone L, Sappa E. Carbon-hydrogen bond activation in novel cyclopentadienyl acetylenic carbonyl clusters of iron, ruthenium and nickel. Inorganica Chim Acta 1978. [DOI: 10.1016/s0020-1693(00)89007-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Aime S, Gervasio G, Milone L, Sappa E, Franchini-Angela M. Crystal and molecular structure of Ru3(CO)6(C12H20CO)(C12H20): an example of four alkynic groups bonded to a metal cluster. Inorganica Chim Acta 1978. [DOI: 10.1016/s0020-1693(00)87275-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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