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Laparoscopic surgery of liver

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https://www.readbyqxmd.com/read/28643304/-strategy-and-technique-for-simultaneous-resection-of-rectal-cancer-and-liver-metastasis
#1
Chuangang Fu, Junyi Han
Rectal cancer with simultaneous liver metastasis is very common clinically. R0 surgical resection both for the original and metastatic tumor can achieve much better long-term oncological results. The operation types include traditional open procedures for both rectal cancer and liver metastatic resection; combination of laparoscopic resection of the rectal cancer and open procedure resection of the liver metastatic lesion; traditional laparoscopic-assisted rectal and liver metastatic tumor resection with small abdominal incision and total laparoscopic natural orifice specimen extraction surgery(NOSES) without abdominal incision...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28641762/laparoscopic-versus-robotic-surgery-for-hepatocellular-carcinoma-the-first-46-consecutive-cases
#2
Paolo Magistri, Giuseppe Tarantino, Cristiano Guidetti, Giacomo Assirati, Tiziana Olivieri, Roberto Ballarin, Andrea Coratti, Fabrizio Di Benedetto
BACKGROUND: Hepatocellular carcinoma has a growing incidence worldwide, and represents a leading cause of death in patients with cirrhosis. Nowadays, minimally invasive approaches are spreading in every field of surgery and in liver surgery as well. MATERIALS AND METHODS: We retrospectively reviewed demographics, clinical, and pathologic characteristics and short-term outcomes of patients who had undergone minimally invasive resections for hepatocellular carcinoma at our institution between June 2012 and May 2016...
May 8, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28635403/psychomotor-skills-assessment-by-motion-analysis-in-minimally-invasive-surgery-on-an-animal-organ
#3
Erlend Fagertun Hofstad, Cecilie Våpenstad, Lars Eirik Bø, Thomas Langø, Esther Kuhry, Ronald Mårvik
BACKGROUND: A high level of psychomotor skills is required to perform minimally invasive surgery (MIS) safely. To be able to measure these skills is important in the assessment of surgeons, as it enables constructive feedback during training. The aim of this study was to test the validity of an objective and automatic assessment method using motion analysis during a laparoscopic procedure on an animal organ. MATERIAL AND METHODS: Experienced surgeons in laparoscopy (experts) and medical students (novices) performed a cholecystectomy on a porcine liver box model...
February 8, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28634319/common-hepatic-artery-quadrifurcation-associated-with-right-hepatic-artery-from-superior-mesenteric-artery-during-laparoscopic-total-splenopancreasectomy
#4
Francesco Caruso, Giorgio Alessandri, Francesca Ciccarese, Giovanni Cesana, Matteo Uccelli, Giorgio Castello, Roberta Villa, Stefano Olmi
Hepatobiliopancreatic surgery is challenging becouse of the complexity of resections and reconstructions and variability of vascular anatomy. The arterial vascularization of the liver is susteined by the common hepatic artery (CHA) that originates from the celiac trunk (CT). The CHA bifurcates into the gastroduodenal artery (GDA) and proper hepatic artery (PHA) 0.5-1 cm medial to the common bile duct (CBD), and the PHA bifurcates into a right and a left branch at hepatic hilum. The most frequent variants are the right hepatic artery (RHA) from the superior mesenteric artery (SMA), the left hepatic artery (LHA) from the left gastric artery (LGA) or a combination of these two variants...
June 12, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28630395/cerebral-infarction-by-paradoxical-gas-embolism-during-laparoscopic-liver-resection-with-injury-of-the-hepatic-vessels-in-a-patient-without-a-right-to-left-systemic-shunt
#5
Toshiyasu Kawahara, Masahiro Hagiwara, Hiroyuki Takahashi, Mariko Tanaka, Koji Imai, Jun Sawada, Takayuki Kunisawa, Hiroyuki Furukawa
BACKGROUND Carbon dioxide (CO2) is believed to be the safest gas for laparoscopic surgery, which is a standard procedure. We experienced severe cerebral infarction caused by paradoxical CO2 embolism during laparoscopic liver resection with injury of the hepatic vessels despite the absence of a right-to-left systemic shunt. CASE REPORT A 60-year-old man was diagnosed with hepatocellular carcinoma in the right hepatic lobe secondary to alcoholic liver disease. We planned the laparoscopy-assisted liver resection...
June 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28600116/features-of-nonalcoholic-steatohepatitis-in-severely-obese-children-and-adolescents-undergoing-sleeve-gastrectomy
#6
Aayed Alqahtani, Mohamed Elahmedi, Khalid Alswat, Maha Arafah, Mosa Fagih, Jaehoon Lee
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is an underrecognized co-morbidity of obesity. The characteristic features and severity of NAFLD in severe childhood obesity remain unknown. OBJECTIVES: To investigate features of NAFLD in obese children and identify predictors of significant disease. SETTING: Academic center with a standardized pathway for pediatric bariatric surgery and a dedicated multidisciplinary team. DESIGN: This is a baseline cross-sectional analysis for a data set obtained from a prospective clinical outcome study that included severely obese children (≤14 yr of age) and adolescents (14-21 yr of age) who underwent laparoscopic sleeve gastrectomy between March 2008 and March 2015...
April 7, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28599892/comparative-analysis-of-learning-curve-in-complex-robot-assisted-and-laparoscopic-liver-resection
#7
Mikhail Efanov, Ruslan Alikhanov, Victor Tsvirkun, Ivan Kazakov, Olga Melekhina, Pavel Kim, Andrey Vankovich, Konstantin Grendal, Stanislav Berelavichus, Igor Khatkov
BACKGROUND: There is no comparative analysis of the learning curves for robot-assisted and laparoscopic liver resection. We aimed to compare learning curves in complex robotic and conventional laparoscopic liver resections with regards to estimation of the difficulty index score. METHODS: The results of 131 consecutive liver resections were analyzed retrospectively (40 robot-assisted and 91 laparoscopic). The learning curve evaluation was based on calculation of procedures number before significant change of the difficulty index for minimally invasive liver resection or the rate of posterosuperior segments resection...
June 6, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28597000/intraoperative-ultrasound-as-a-screening-modality-for-the-detection-of-liver-metastases-during-resection-of-primary-colorectal-cancer-a-systematic-review
#8
REVIEW
Signe Bremholm Ellebæk, Claus Wilki Fristrup, Michael Bau Mortensen
Colorectal cancer (CRC) is one of the most common cancer diseases worldwide. One in 4 patients with CRC will have a disseminated disease at the time of diagnosis and often in the form of synchronous liver metastases. Studies suggest that up to 30% of patients have non-recognized hepatic metastases during primary surgery for CRC. Intraoperative ultrasonography examination (IOUS) of the liver to detect liver metastases was considered the gold standard during open CRC surgery. Today laparoscopic surgery is the standard procedure, but laparoscopic ultrasound examination (LUS) is not performed routinely...
April 2017: Ultrasound International Open
https://www.readbyqxmd.com/read/28593415/the-effects-of-laparoscopic-graspers-with-enhanced-haptic-feedback-on-applied-forces-a-randomized-comparison-with-conventional-graspers
#9
Chantal C J Alleblas, Michel P H Vleugels, Sjors F P J Coppus, Theodoor E Nieboer
BACKGROUND: Haptic feedback, which enables surgeons to perceive information on interaction forces between instrument and tissue, is deficient in laparoscopic surgery. This information, however, is essential for accurate tissue manipulation and recognition of tissue consistencies. To this end, a laparoscopic grasper with enhanced haptic feedback has been developed: the force reflecting operation instrument (FROI). This study tested the effects of enhanced haptic feedback on force control, tissue consistency interpretation, and the associated surgeons' level of confidence through a randomized controlled crossover experiment...
June 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28593406/laparoscopic-liver-surgery-towards-a-day-case-management
#10
Hadrien Tranchart, David Fuks, Panagiotis Lainas, Martin Gaillard, Ibrahim Dagher, Brice Gayet
BACKGROUND: Ambulatory surgery (AS) is a contemporary subject of interest. The feasibility and safety of AS for solid abdominal organs are still dubious. In the present study, we aimed at defining potential surgical criteria for AS by analyzing a large database of patients who underwent laparoscopic liver surgery (LLS) in two French expert centers. METHODS: This study was performed using prospectively filled databases including patients that underwent pure LLS between 1998 and 2015...
June 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28591793/dynamics-of-bile-acid-profiles-glp-1-and-fgf19-after-laparoscopic-gastric-banding
#11
Veronika Thöni, Alexandra Pfister, Andreas Melmer, Barbara Enrich, Karin Salzmann, Susanne Kaser, Claudia Lamina, Christoph F Ebenbichler, Hubert Hackl, Herbert Tilg, Alexander R Moschen
Context: Increase of bile acids (BAs), fibroblast growth factor 19 (FGF19) and glucagon-like peptide 1 (GLP-1) has been implicated in metabolic improvements after Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG), whereas data are still conflicting regarding their role after laparoscopic adjustable gastric banding (LAGB). Objective: To assess fasting BA, FGF19 and GLP-1 concentrations in plasma before and after LAGB and to test for correlations with immuno-metabolic parameters...
June 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28589045/recurrent-enterolithiasis-small-bowel-obstruction-a-case-seldom-described
#12
Ashish Lal Shrestha, Pradita Shrestha
BACKGROUND: Enterolithiasis of the small bowel is a rare phenomenon in humans although it has been frequently described in equines. Primary enteroliths have been described including those occurring secondary to conditions like Crohn's disease, small bowel diverticula, tuberculous or postoperative strictures, and blind loops but those occurring in an otherwise normal gut are exceedingly rare. Of even greater rarity is a recurrent small bowel enterolith presenting with obstruction. This may be the first report of such kind...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28586581/difficulties-in-laparoscopic-cholecystectomy-conversion-versus-surgeon-s-failure
#13
Aun Ali, Summaya Saeed, Rabel Khawaja, Sunil Sadruddin Samnani, Farah Naz Farid
OBJECTIVE: Laparoscopic cholecystectomy is considered to be gold standard treatment for symptomatic gall stones. Despite several benefits there are still disadvantages of laparoscopic cholecystectomy in difficult cases where anatomy is disturbed even in experienced hand. Aim of this study is to identify advantages of early conversion to open cholecystectomy in difficult cases and how it should not be associated with surgeon's failure. METHODS: Observational study was conducted at tertiary care hospital of Karachi, Pakistan from January 2012 till June 2015...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28585487/improvement-of-nonalcoholic-fatty-liver-disease-in-morbidly-obese-patients-after-sleeve-gastrectomy-association-of-ultrasonographic-findings-with-lipid-profile-and-liver-enzymes
#14
Jaime Ruiz-Tovar, Maria Engracia Alsina, Maria Remedios Alpera
BACKGROUND: After bariatric surgery an improvement or even complete resolution of nonalcoholic fatty liver disease (NAFLD) in morbidly obese patients is achieved, but little is known about the effect of laparoscopic sleeve gastrectomy (LSG). PATIENTS AND METHODS: A prospective observational study of patients undergoing LSG was performed. An abdominal ultrasonography and blood sample extraction (investigating liver enzymes and lipid profile) were performed preoperatively and 12 months after surgery...
June 6, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28583725/evolution-of-laparoscopic-surgery-in-a-high-volume-hepatobiliary-unit-150-consecutive-pure-laparoscopic-hepatectomies
#15
Santiago López-Ben, Alejandro Ranea, M Teresa Albiol, Laia Falgueras, Ernesto Castro, Margarida Casellas, Antoni Codina-Barreras, Joan Figueras
INTRODUCTION: Compared to other surgical areas, laparoscopic liver resection (LLR) has not been widely implemented and currently less than 20% of hepatectomies are performed laparoscopically worldwide. The aim of our study was to evaluate the feasibility, and the ratio of implementation of LLR in our department. METHODS: We analyzed a prospectively maintained database of 749 liver resections performed during the last 10-year period in a single centre. RESULTS: A total of 150 (20%) consecutive pure LLR were performed between 2005 and 2015...
May 2017: Cirugía Española
https://www.readbyqxmd.com/read/28582270/conversion-for-unfavorable-intraoperative-events-results-in-significantly-worst-outcomes-during-laparoscopic-liver-resection-lessons-learned-from-a-multicenter-review-of-2861-cases
#16
Mark C Halls, Federica Cipriani, Giammauro Berardi, Leonid Barkhatov, Panagiotis Lainas, Mohammed Alzoubi, Mathieu D'Hondt, Fernando Rotellar, Ibrahim Dagher, Luca Aldrighetti, Roberto I Troisi, Bjorn Edwin, Mohammed Abu Hilal
OBJECTIVE: To investigate the risk factors for conversion during laparoscopic liver resection and its effect on patient outcome in a large cohort of patients. Additional analysis of outcomes in patients who required conversion for unfavorable intraoperative findings and conversion for unfavorable intraoperative events will be performed to establish if the cause of conversion effects outcome. SUMMARY BACKGROUND DATA: Multiple previous studies demonstrate that laparoscopic liver surgery reduces intraoperative blood loss, hospital stay, and morbidity while maintaining comparable oncological and survival outcomes when compared with open liver resections...
June 2, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28577720/multidisciplinary-management-of-intrahepatic-cholangiocarcinoma-current-approaches
#17
REVIEW
Hanisah Guro, Jin Won Kim, YoungRok Choi, Jai Young Cho, Yoo-Seok Yoon, Ho-Seong Han
Intrahepatic cholangiocarcinoma (ICC) is a common primary hepatic tumor. However, its outcomes are usually worse than those of hepatocellular carcinoma owing to its non-specific presentation and detection at an advanced stage. The most widely used serum marker, carbohydrate antigen 19-9, is non-specific. Furthermore, imaging studies rarely identify any pathognomonic features. Surgery is the only treatment option that offers a chance of long-term survival. However, the resectability rate is low owing to the high frequencies of intrahepatic metastases, peritoneal carcinomatosis, or extrahepatic metastases...
June 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28567451/robotic-assisted-right-hepatectomy-via-anterior-approach-for-intrahepatic-cholangiocarcinoma
#18
Sanjay Goja, Manoj K Singh, Rohan Jagat Chaudhary, Arvinder S Soin
Major hepatic resection, especially right hepatectomy, has been successfully performed by specialized hepatobiliary centers using the robotic platform with low morbidity, conversion rates and outcomes comparable to laparoscopic and open surgery. The authors report a case of robotic-assisted right hepatectomy done for intrahepatic cholangiocarcinoma using anterior approach, after right portal vein embolisation for future liver remnant volume enhancement.
May 2017: Annals of Hepato-Biliary-Pancreatic Surgery
https://www.readbyqxmd.com/read/28550439/baseline-anthropometric-and-metabolic-parameters-correlate-with-weight-loss-in-women-1-year-after-laparoscopic-roux-en-y-gastric-bypass
#19
Sans Arnaud, Bailly Laurent, Anty Rodolphe, Sielezenef Igor, Gugenheim Jean, Tran Albert, Gual Philippe, Iannelli Antonio
BACKGROUND: In this study, we explored in a prospective cohort of morbidly obese women undergoing laparoscopic Roux-en-Y gastric bypass (LRYGP) correlations between baseline anthropometrics, metabolic parameters, resting energy expenditure (REE), body composition, and 1-year % excess body mass index loss (%EBMIL). We also investigated risk factors for insufficient %EBMIL. METHODS: One hundred three consecutive women were prospectively evaluated at baseline (age 40...
May 26, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28550405/projective-biomechanical-depth-matching-for-soft-tissue-registration-in-laparoscopic-surgery
#20
Daniel Reichard, Dominik Häntsch, Sebastian Bodenstedt, Stefan Suwelack, Martin Wagner, Hannes Kenngott, Beat Müller-Stich, Lena Maier-Hein, Rüdiger Dillmann, Stefanie Speidel
PURPOSE: A key component of computer- assisted surgery systems is the accurate and robust registration of preoperative planning data with intraoperative sensor data. In laparoscopic surgery, this image-based registration remains challenging due to soft tissue deformations. This paper presents a novel approach for biomechanical soft tissue registration of preoperative CT data with stereo endoscopic image data. METHODS: The proposed method consists of two registrations steps...
May 26, 2017: International Journal of Computer Assisted Radiology and Surgery
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