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Laparoscopic surgery of liver

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https://www.readbyqxmd.com/read/28537779/simulation-model-for-laparoscopic-foregut-surgery-the-university-of-north-carolina-foregut-model
#1
Francisco Schlottmann, Neal S Murty, Marco G Patti
BACKGROUND: A significant gap presently exists between box-lap and virtual-reality simulators and live surgery. Live animal and cadaver use has significant downsides. We have developed a high fidelity, real tissue simulator that allows training in laparoscopic foregut operations. METHODS: Our foregut surgery model is based on porcine tissue blocks that include lungs, heart, aorta, esophagus, diaphragm, stomach, duodenum, liver, and spleen. The tissue block is mounted in a human mannequin and perfused with artificial blood...
May 24, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28536339/-a-case-report-on-a-successful-resection-after-folfiri-plus-cetuximab-therapy-for-unresectable-colorectal-cancer-with-multiple-liver-metastases
#2
Min Kanamori, Yasuhiro Kurumiya, Keisuke Mizuno, Ei Sekoguchi, Satoshi Kobayashi, Yasuyuki Fukami, Muneyasu Kiriyama, Hiroki Aoyama, Takashi Oiwa, Kei Miyamura, Takanori Jinno, Yu Nakashima, Makiko Mori
The patient was a 66-year-old woman with a history of right breast cancer 20 years prior. Her chief complaint was hematochezia, and she was diagnosed as having rectal cancer. She underwent laparoscopic high anterior resection. We made a diagnosis of moderately differentiated adenocarcinoma, type 2, 25×20 mm, pMP, pN0, Stage I, KRAS being wild-type. Multiple liver metastases were detected 6 months after the surgery. Tumor contacted with grison. The tumor was not completely resected as evidenced by the small liver remnant volume...
May 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28520651/laparoscopic-management-of-hepatocellular-carcinoma-a-critical-reappraisal
#3
David Fuks, Luca Aldrighetti, Long R Jiao, Go Wakabayashi, Paolo Limongelli
Following the introduction of the first laparoscopic liver resection, after ∼25 years, a critical reappraisal seems to be warranted. Liver resection represents the first choice for curing early hepatocellular carcinoma (HCC) allowing a curative chance also in selected patients with intermediate stage tumors. The criteria for liver resectability by laparoscopy remains the same for open surgery, which is oncological criteria (absence of extrahepatic tumor location; completely resectable R0 resection), anatomic (resectability of involved segment with its own blood surely and biliary drainage; absence of vascular invasion of portal or hepatic veins) and technical (possibility to leave in place a residual volume ≥40%)...
May 17, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28518089/laparoscopic-technique-for-serial-collection-of-liver-and-mesenteric-lymph-nodes-in-macaques
#4
Alexander S Zevin, Cassie Moats, Drew May, Solomon Wangari, Charlene Miller, Joel Ahrens, Naoto Iwayama, Megan Brown, Debbie Bratt, Nichole R Klatt, Jeremy Smedley
The mesenteric lymph nodes (MLN) and the liver are exposed to microbes and microbial products from the gastrointestinal (GI) tract, making them immunologically unique. The GI tract and associated MLN are sites of early viral replication in human immunodeficiency virus (HIV) infection and the MLN are likely important reservoir sites that harbor latently-infected cells even after prolonged antiretroviral therapy (ART). The liver has been shown to play a significant role in immune responses to lentiviruses and appears to play a significant role in clearance of virus from circulation...
May 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28510798/total-laparoscopic-management-for-stage-iv-colorectal-cancer-requiring-multivisceral-resection
#5
Y Nancy You, Hironori Shiozaki, Jeffrey E Lee, Guillaume Passot, Claire Goumard, Masayuki Okuno, Thomas A Aloia, Cathy Eng, George Chang, Jean-Nicolas Vauthey, Claudius Conrad
BACKGROUND: Surgical resection of all sites of disease, in combination with effective systemic chemotherapy, offers the only potential chance for cure for patients with stage IV colorectal cancer (CRC). Coordinated multistage resection using a minimally invasive approach may provide optimal oncologic outcome while potentially offering the benefit of decreased morbidity. PATIENT: A 66-year-old women presented with transverse colon cancer and synchronous metastasis (CRLM) in segment IV involving the middle hepatic vein and main left portal pedicle, as well as the left adrenal gland...
May 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28498007/are-hybrid-liver-resections-trully-minimally-invasive-a-propensity-score-matching-analysis
#6
Fabricio Ferreira Coelho, Jaime Arthur Pirola Kruger, Vagner Birk Jeismann, Gilton Marques Fonseca, Fábio Ferrari Makdissi, Leandro Augusto Ferreira, Luiz Augusto Carneiro D'Albuquerque, Ivan Cecconello, Paulo Herman
BACKGROUND: Hybrid liver resection is considered a modality of minimally invasive surgery; however, there are doubts regarding loss of benefits of laparoscopy due to the use of an auxiliary incision. We compared perioperative results of patients undergoing hybrid × open and hybrid × pure laparoscopic resections. METHODS: Consecutive patients undergoing liver resection between June 2008 and January 2016 were studied. Study groups were compared after propensity score matching (PSM)...
May 12, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28486007/concomitant-laparoscopic-perisplenic-artery-ligation-facilitates-surgery-for-hepatobiliary-disease-coexisting-with-portal-hypertension
#7
Youlong Wang, Fei Chen, Yajuan Chu, Xiaofang Tan, Jingwang Tan, Wenbin Ji
BACKGROUND: Although liver cirrhosis with portal hypertension (PH) contributes significantly to morbidity and mortality in abdominal surgery, many authors still consider this disease as an indication for surgery. In many reports, however, numerous treatment modalities focus on hypersplenism secondary to PH, irrespective of splenomegaly and PH. The proven benefits of laparoscopy seem especially applicable to patients with this complex disease. This study evaluates the safety and efficacy of laparoscopic perisplenic artery ligation (SAL) in patients with hepatobiliary disease and PH...
May 9, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28457194/the-best-approach-for-laparoscopic-fluorescence-cholangiography-overview-of-the-literature-and-optimization-of-dose-and-dosing-time
#8
Leonora S F Boogerd, Henricus J M Handgraaf, Volkert A L Huurman, Hwai-Ding Lam, J Sven D Mieog, Wendeline J van der Made, Cornelis J H van de Velde, Alexander L Vahrmeijer
BACKGROUND: Fluorescence cholangiography using indocyanine green (ICG) can enhance orientation of bile duct anatomy during laparoscopic cholecystectomy. To ensure clear discrimination between bile ducts and liver, the fluorescence ratio between both should be sufficient. This ratio is influenced by the ICG dose and timing of fluorescence imaging. We first systematically identified all strategies for fluorescence cholangiography. Second, we aimed to optimize the dose of ICG and dosing time in a prospective clinical trial...
April 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28455774/applications-of-fusion-fluorescence-imaging-using-indocyanine-green-in-laparoscopic-hepatectomy
#9
Muga Terasawa, Takeaki Ishizawa, Yoshihiro Mise, Yosuke Inoue, Hiromichi Ito, Yu Takahashi, Akio Saiura
BACKGROUND: Indocyanine green (ICG)-fluorescence imaging has been developed for real-time identification of hepatic tumors and segmental boundaries during hepatectomy. Fusion ICG-fluorescence imaging (real-time visualization of pseudocolor-fluorescence signals on white-light color images) may serve as a reliable navigation tool especially in laparoscopic hepatectomy, in which gross inspection and palpation are limited. METHODS: The study population consisted of 41 patients undergoing laparoscopic hepatectomy...
April 28, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28451728/-laparoscopic-liver-resection
#10
M R Schön, C Justinger
Laparoscopic liver surgery has become an established procedure in the treatment of liver tumors. Due to its short-term and long-term advantages, the number of centers with experience in laparoscopic liver surgery has greatly increased in the last few years. The complexity of the interventions performed has nearly reached the level of open surgery. This article describes the importance of laparoscopic hepatic surgery and discusses the evidence for the procedure. In addition, the indications for the most frequently resected tumors, metastases of colorectal cancer and hepatocellular carcinoma are explained together with important aspects of certain tumor localizations...
April 27, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28442836/single-port-laparoscopic-liver-resection-largest-turkish-experience
#11
Ilhan Karabicak, Kagan Karabulut, Savas Yuruker, Tugrul Kesicioglu, Necati Ozen
Single-port laparoscopic surgery has the advantage of a hidden scar and reduced abdominal wall trauma. Although single-port laparoscopic surgery is widely performed for other organs, its application is very limited for liver resection. Here, we report our experience with nine patients who underwent single-port laparoscopic liver resection. Nine patients underwent single-port laparoscopic liver resection for the indications of hydatid cyst, hepatocellular carcinoma, and colorectal cancer liver metastasis. Nine patients were successfully treated with single-port laparoscopic surgery...
April 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28412755/randomized-clinical-trial-comparing-the-effects-of-sevoflurane-and-propofol-on-carbon-dioxide-embolism-during-pneumoperitoneum-in-laparoscopic-hepatectomy
#12
Yu Hong, Yu Xin, Fei Yue, He Qi, Cai Jun
Laparoscopic hepatectomy carries a high risk of gas embolism due to the extensive hepatic transection plane and large hepatic vena cava. Here, we compared the influence of inhaled and intravenous anesthetics on gas embolism during laparoscopic hepatectomy. Fifty patients undergoing laparoscopic hepatectomy were divided into two groups to receive sevoflurane anesthesia (group S, n = 25) or intravenous propofol anesthesia (group p, n = 25). During the operation, gas emboli were detected by transesophageal echocardiography and graded according to their size...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28409369/laparoscopic-surgery-for-choledocholithiasis-concomitant-with-calculus-of-the-left-intrahepatic-duct-or-abdominal-adhesions
#13
Yueqi Wang, Xiaobo Bo, Yaojie Wang, Min Li, Sheng Shen, Tao Suo, Hongtao Pan, Han Liu, Houbao Liu
BACKGROUND: Laparoscopic common bile duct exploration (LCBDE) has been widely promoted in recent years as a safe and effective treatment for choledocholithiasis. However, there are no standard guidelines for the treatment of patients who have concomitant hepatolithiasis of the left liver and abdominal adhesions. The aim of the current research was to compare the outcomes of open versus laparoscopic common bile duct exploration with left hepatectomy (OCBDH vs. LCBDH) in patients with choledocholithiasis concomitant with left-sided hepatolithiasis, and to evaluate the safety and feasibility of laparoscopic surgery for choledocholithiasis in patients with abdominal adhesions...
April 13, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28408311/validation-of-a-difficulty-scoring-system-for-laparoscopic-liver-resection-a-multicenter-analysis-by-the-endoscopic-liver-surgery-study-group-in-japan
#14
Shogo Tanaka, Shoji Kubo, Akishige Kanazawa, Yutaka Takeda, Fumitoshi Hirokawa, Hiroyuki Nitta, Takayoshi Nakajima, Takashi Kaizu, Hironori Kaneko, Go Wakabayashi
BACKGROUND: Laparoscopic liver resection (LLR) is widely used for hepatic disease treatment. Preoperative prediction of operative difficulty can be beneficial as a roadmap for surgeons advancing from simple to highly technical LLR. We performed a multicenter analysis to investigate a "difficulty scoring system" for predicting the difficulty of LLR. STUDY DESIGN: The proposed "difficulty scoring system" includes three difficulty levels based on five factors. The system was validated in a cohort of 2,199 patients who underwent LLR at 74 Japanese centers between 2010 and 2014; the difficulty level was rated as low (n = 965), intermediate (n = 891), and high (n = 343)...
April 10, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28405715/-robot-assisted-liver-resection
#15
H Aselmann, T Möller, J-N Kersebaum, J H Egberts, R Croner, M Brunner, R Grützmann, T Becker
Robotic liver resection can overcome some of the limitations of laparoscopic liver surgery; therefore, it is a promising tool to increase the proportion of minimally invasive liver resections. The present article gives an overview of the current literature. Furthermore, the results of a nationwide survey on robotic liver surgery among hospitals in Germany with a DaVinci system used in general visceral surgery and the perioperative results of two German robotic centers are presented.
April 12, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28401399/intelligent-viewpoint-selection-for-efficient-ct-to-video-registration-in-laparoscopic-liver-surgery
#16
Maria R Robu, Philip Edwards, João Ramalhinho, Stephen Thompson, Brian Davidson, David Hawkes, Danail Stoyanov, Matthew J Clarkson
PURPOSE: Minimally invasive surgery offers advantages over open surgery due to a shorter recovery time, less pain and trauma for the patient. However, inherent challenges such as lack of tactile feedback and difficulty in controlling bleeding lower the percentage of suitable cases. Augmented reality can show a better visualisation of sub-surface structures and tumour locations by fusing pre-operative CT data with real-time laparoscopic video. Such augmented reality visualisation requires a fast and robust video to CT registration that minimises interruption to the surgical procedure...
April 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28389805/a-multicentric-prospective-study-evaluating-the-safety-and-efficacy-of-kii-%C3%A2-fios-%C3%A2-first-entry-trocar-in-laparoscopic-bariatric-surgery
#17
Marcelo Loureiro, Mohamad Ramadan, El Mehdi Skalli, Pierre Blanc, Jean Michel Fabre, David Nocca
INTRODUCTION: Laparoscopic surgery has evolved as an important field of surgery due to its clear benefits when compared to open laparotomy surgery. However, specific complications of laparoscopic surgery have been reported, of which the majority are complications associated with first entry to the abdominal cavity. The emergence of bariatric surgery, combined with the special considerations of the abdominal wall and cavity of obese patients, leads to seeking new modalities of access to the abdominal cavity in this specific population...
April 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28389803/laparoscopic-liver-re-resection-is-feasible-for-patients-with-posthepatectomy-hepatocellular-carcinoma-recurrence-a-propensity-score-matching-study
#18
Kairui Liu, Yajin Chen, Xiaolin Wu, Zejian Huang, Zeyu Lin, Junliang Jiang, Wenliang Tan, Lei Zhang
BACKGROUND: Liver re-resection plays a paramount role in treatment of patients with posthepatectomy hepatocellular carcinoma (HCC) recurrence. Laparoscopic liver resection has been a feasible alternative to open surgery. However, whether laparoscopic liver re-resection for posthepatectomy HCC recurrence is better than open liver re-resection remains unknown. METHOD: From January 2008 to December 2015, 30 patients with recurrent HCC after prior liver resection underwent laparoscopic liver re-resection in our center...
April 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28386272/laparoscopic-hepatectomy-current-state-in-japan-based-on-the-4th-nationwide-questionnaire
#19
Yutaka Takahashi, Satoshi Katagiri, Shun-Ichi Ariizumi, Yoshihito Kotera, Hiroto Egawa, Go Wakabayashi, Hironori Kaneko, Masakazu Yamamoto
Purpose. Since laparoscopic hepatectomy (LH) became covered by national health insurance in April 2010 in Japan, the numbers of applied cases and institutions performing it have increased and the indication has expanded. We surveyed the current state and safety of LH in Japan. Methods. A questionnaire survey was performed in 41 institutions related to the Japanese Endoscopic Liver Surgery Study Group and 747 institutions certified by the Japanese Society of Gastroenterological Surgery, and responses concerning all 2962 cases of LH performed by August 2011 were obtained...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28378083/minor-laparoscopic-liver-resection-toward-1-day-surgery
#20
Nicola de'Angelis, Benjamin Menahem, Philippe Compagnon, Jean Claude Merle, Francesco Brunetti, Alain Luciani, Daniel Cherqui, Alexis Laurent
BACKGROUND: Technical advances in laparoscopy and enhanced recovery after surgery programs have progressively decreased the need for hospitalization. The present study aimed to explore the feasibility and safety of an early discharge protocol after minor laparoscopic liver resection (LLR). METHODS: The study sample consisted of patients with both benign and malignant hepatic lesions involving no more than two hepatic segments who underwent minor LLR and were discharged within 24 h...
April 4, 2017: Surgical Endoscopy
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