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Laparoscopic operation

Diane Mege, Kelly Garrett, Jeff Milsom, Toyooki Sonoda, Fabrizio Michelassi
BACKGROUND: The introduction of biologic agents and laparoscopy are, arguably, the most important developments for the treatment of Crohn's disease (CD) in the last two decades. Due to the efficacy of the biologic agents in treating mild disease, it is likely that the percentage of surgery for complex cases may have increased. The objective of this study was to analyse the changing characteristics and results of surgical treatment of patients with Crohn's disease over the past 12 years...
October 20, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
Marie Ashley Villard, Melissa C Helm, Tammy L Kindel, Matthew I Goldblatt, Jon C Gould, Rana M Higgins
BACKGROUND: The primary objective of this study was to evaluate the utility of CRP in early identification of post-operative complications after bariatric surgery. The ability of this marker to acutely predict post-operative complications in bariatric surgery patients has not been determined. METHODS: A retrospective chart review was conducted of adult patients who underwent a primary and revisional laparoscopic Roux-en-Y gastric bypass (LRYGB) or sleeve gastrectomy (LSG) between 2013 and 2017 at a single institution...
October 19, 2018: Surgical Endoscopy
Priscila R Armijo, Chun-Kai Huang, Robin High, Melissa Leon, Ka-Chun Siu, Dmitry Oleynikov
BACKGROUND: Our aim was to determine how objectively-measured and self-reported muscle effort and fatigue of the upper-limb differ between surgeons performing laparoscopic (LAP) and robotic-assisted (ROBOT) surgeries. METHODS: Surgeons performing LAP or ROBOT procedures at a single-institution were enrolled. Objective muscle activation and self-reported fatigue were evaluated, and comparisons were made between approaches. Muscle activation of the upper trapezius (UT), anterior deltoid (AD), flexor carpi radialis (FCR), and extensor digitorum (ED) were recorded during the surgical procedure using Trigno wireless surface electromyography (EMG)...
October 19, 2018: Surgical Endoscopy
Shlomi Rayman, Michael Goldenshluger, Orly Goitein, Joseph Dux, Nasser Sakran, Asnat Raziel, David Goitein
BACKGROUND: Failure or complications following laparoscopic adjustable gastric banding (LAGB) may necessitate band removal and conversional surgery. Band position and band-induced chronic vomiting create ideal conditions for de novo hiatal hernia (HH) formation. HH presence impedes and complicates conversional surgery by obscuring crucial anatomical landmarks and hindering precise gastric sleeve or pouch formation. The aim of this study was to evaluate the incidence of a HH in patients with an LAGB undergoing conversion compared to patients undergoing primary bariatric surgery (BS)...
October 19, 2018: Surgical Endoscopy
Line Schmidt, Kristoffer Andresen, Stina Öberg, Jacob Rosenberg
BACKGROUND: Laparoscopic groin hernia repair has become increasingly popular. In Denmark, all groin hernia repairs are registered in the Danish Hernia Database. However, many surgical technical parameters are not registered in neither the hernia database nor in other national registries or the patient files. Our aim was to characterize differences in surgical techniques and variations in convalescence recommendations in laparoscopic groin hernia repair that are not available elsewhere...
October 19, 2018: Surgical Endoscopy
Hirofumi Suzumura, Masashi Tsuruta, Hirotoshi Hasegawa, Koji Okabayashi, Takashi Ishida, Yusuke Asada, Akitsugu Makino, Shigeo Okuda, Yuko Kitagawa
PURPOSE: We aimed to clarify the impact of the apparent diffusion coefficient (ADC) value of the mesorectum from preoperative magnetic resonance imaging (MRI) on surgical difficulty in laparoscopic anterior resection (Lap-AR) for rectal cancer. METHODS: In total, 67 patients who had undergone curative Lap-AR for rectal cancer in our hospital from January 2008 to March 2015 and had preoperative MRI findings available were included. We randomly calculated the average ADC in three regions of the mesorectum at the level of the upper edge of the superior border of the femur...
October 19, 2018: Surgery Today
Xin-Wen Ke, Xing Zeng, Xian Wei, Yuan-Qing Shen, Jia-Hua Gan, Ji-Hua Tian, Zhi-Quan Hu
This study was designed to explore the safety and feasibility of robotic-assisted laparoscopic nephrectomy with vein thrombectomy (RAL-NVT) for the treatment of renal cell carcinoma (RCC) with venous tumor thrombus (VTT). Clinical data of 6 patients treated with RAL-NVT between July 2016 and November 2017 in our hospital were retrospectively collected and analyzed. There were 5 males and 1 female with their age ranging from 48 years to 68 years. Five renal tumors were right-sided and one left-sided. Three cases fell in level 0 VTT, one in level I and two in level II...
October 2018: Current medical science
Xavier Untereiner, Audrey Cagniet, Riccardo Memeo, Zineb Cherkaoui, Tullio Piardi, François Severac, Didier Mutter, Reza Kianmanesh, Taiga Wakabayashi, Daniele Sommacale, Patrick Pessaux
OBJECTIVES: The aim of this study was to compare the results between laparoscopic hepatectomy and open hepatectomy in two French university hospitals, for the management of hepatocellular carcinoma (HCC) using a propensity score matching. MATERIALS AND METHODS: A patient in the laparoscopic surgery group (LA) was randomly matched with another patient in the open approach group (OA) using a 1:1 allocated ratio with the nearest estimated propensity score. Matching criteria included age, presence of comorbidities, American Society of Anesthesiologists score, and resection type (major or minor)...
October 19, 2018: World Journal of Surgery
Arnaldo Machado, Manuel Carvalho, Jorge Caravana
INTRODUCTION: Roux-en-Y gastric bypass (RYGB) has been the most common surgical operation used to treat obesity and its inherent co-morbidities. Intussusception with bowel obstruction after RYGB is a rare complication and its physiopathology remains unclear. The diagnosis is generally based on typical image of computed tomography (CT) scan and a surgical exploration is generally recommended. CASE PRESENTATION: A 54-year-old female patient with history of a gastric bypass six years before, presented herself on the emergency department with acute onset of abdominal pain, nausea, and nonbilious vomiting...
September 21, 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Sarah Lund, David Farley
BACKGROUND: Few studies have evaluated surgical outcomes in long-term follow-up for patients undergoing Laparoscopic Ventral Hernia Repair (LVHR). METHODS: A retrospective review of long-term follow-up of LVHR patients (2002-2005) at a single institution. RESULTS: Sixty-three patients (37 males; mean age = 63, mean BMI = 33, 41% for recurrence) underwent LVHR. Mean operative time was 164 min. Mean hospital stay was 3.7 days. Short- and long-term complications occurred in 19% and 44% of patients, respectively...
October 12, 2018: American Journal of Surgery
Congcong Wang, Faouzi Alaya Cheikh, Mounir Kaaniche, Azeddine Beghdadi, Ole Jacob Elle
BACKGROUND: In laparoscopic surgery, image quality can be severely degraded by surgical smoke, which not only introduces errors for the image processing algorithms (used in image guided surgery), but also reduces the visibility of the observed organs and tissues. To overcome these drawbacks, this work aims to remove smoke in laparoscopic images using an image preprocessing method based on a variational approach. METHODS: In this paper, we present the physical smoke model where the degraded image is separated into two parts: direct attenuation and smoke veil and propose an efficient variational-based desmoking method for laparoscopic images...
October 19, 2018: Biomedical Engineering Online
Qianqian Zhu, Xianlong Li, Fang Tan, Yingqing Deng, Chulian Gong, Jingping Hu, Pinjie Huang, Shaoli Zhou
BACKGROUND: Perioperative serum potassium levels are closely associated with postoperative clinical outcomes after gastrointestinal surgery. The aim of our retrospective study was to identify the prevalence and risk factors for preoperative hypokalemia (before pneumoperitoneum) and to evaluate the influence of preoperative hypokalemia on the recovery of postoperative gastrointestinal function. METHODS: In this retrospective study, patients scheduled for laparoscopic colorectal resection from November 11 2014 to October 20 2016, were considered for inclusion...
October 19, 2018: BMC Gastroenterology
Sergio A Acuna, Tyler R Chesney, Joshua K Ramjist, Prakesh S Shah, Erin D Kennedy, Nancy N Baxter
OBJECTIVE: To determine whether laparoscopic surgery is noninferior to open surgery for rectal cancer in terms of quality of surgical resection outcomes. BACKGROUND: Randomized clinical trials (RCTs) have evaluated the oncologic safety of laparoscopic versus open surgery for rectal cancer with conflicting results. Prior meta-analyses comparing these operative approaches in terms of quality of surgical resection aimed to demonstrate if one approach was superior. However, this method is not appropriate and potentially misleading when noninferiority RCTs are included...
October 17, 2018: Annals of Surgery
Hai Wang, Zhi-Gang Ji
BACKGROUND: The goal of this meta-analysis and systematic review is to evaluate the overall effect and safety of microsurgery versus laparoscopic surgery in the treatment of varicocele according to qualified randomized controlled trials (RCTs). METHODS: The following electronic databases were searched including PubMed, Cochrane, Embase to identify the qualified studies and publications that were associated with this meta-analysis updated to February 2018 based on index words...
October 19, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
Abhishek Gajendra Singh
Surgery is traditionally taught by using Halsteadian principle, which includes "see one, do one, teach one". This principle relies on sheer volume of surgical exposure rather than a specific course structure. Simulation in minimally invasive surgery allows the learner to practice new motor skills in a safe and stress free environment outside the operating room, thereby decreasing the learning curve. A non-structured exhaustive MEDLINE search was done using MeSH words: "Simulation, Urological Training, Training Models, Laparoscopy Urology, Laparoscopic Skill, Endotrainer, Surgical Simulators, Simulator Validation"...
October 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
F Zhang, S D Zhang, C L Xiao, Y Huang, L L Ma
OBJECTIVE: To assess the perioperative outcome, continence recovery and oncologic outcome of Chinese patients aged 80 years or older treated with radical prostatectomy for prostate cancer. METHODS: We retrospectively evaluated the octogenarian patients who recieved biopsy for prostatic carcinoma and underwent laparoscopic radical prostatectomy from 2007 to 2016. We collected the data of clinical variables, perioperative parameters and postoperative pathological results for the octogenarian patients...
October 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Sami Akbulut, Felat Ciftci, Abuzer Dirican
Gastrointestinal stromal tumors (GISTs) are the most common non-epithelial (mesenchymal) tumors of the gastrointestinal tract. Although GISTs appear as solid and well-circumscribed lesions in most patients, they may also appear as solid- cystic (mixed) or pure cystic lesions due to reasons like intra-tumor hemorrhage and necrosis in a very small percentage of patients. Hence, cystic GISTs mostly lead to a diagnostic dilemma. In this paper we aimed to report a case of pure cystic giant GIST that was drained percutaneously twice after being misdiagnosed as a mesenteric cyst...
2018: Annali Italiani di Chirurgia
Xiangdong Niu, Bin Yu, Liang Yao, Jinhui Tian, Tiankang Guo, Shixun Ma, Hui Cai
Robot-assisted distal pancreatectomy (RADP) has been developed with the aim of improving surgical quality and overcoming the limitations of laparoscopic distal pancreatectomy (LDP) and open distal pancreatectomy (ODP) for pancreatic resections. A systematic search was performed in the PubMed, EMBASE, Cochrane Library, Web of Science, and China Biology Medicine databases up to December 2016 for studies that compared the surgical outcomes of RADP vs. LDP or ODP for pancreatic resections. The weighted mean differences, odds ratios and 95% confidence intervals were calculated, and the data were combined using the random-effects model...
October 15, 2018: Asian Journal of Surgery
Constantinos Loukas, Christos Varytimidis, Konstantinos Rapantzikos, Meletios A Kanakis
BACKGROUND AND OBJECTIVE: Laparoscopic surgery offers the potential for video recording of the operation, which is important for technique evaluation, cognitive training, patient briefing and documentation. An effective way for video content representation is to extract a limited number of keyframes with semantic information. In this paper we present a novel method for keyframe extraction from individual shots of the operational video. METHODS: The laparoscopic video was first segmented into video shots using an objectness model, which was trained to capture significant changes in the endoscope field of view...
October 2018: Computer Methods and Programs in Biomedicine
K-H Ryu, J-A Kim, D-C Ko, S-H Lee, W-J Choi
BACKGROUND: Sevoflurane and desflurane are widely used in balanced anaesthesia in combination with opioid analgesics. The opioid remifentanil is frequently chosen because of its extremely rapid pharmacokinetics. However, intraoperative high-dose remifentanil is associated with increased postoperative pain and rescue analgesic use owing to acute tolerance and opioid-induced hyperalgesia. This study aimed to compare intraoperative remifentanil requirements during equi-minimum alveolar concentration (MAC) sevoflurane and desflurane anaesthesia via surgical pleth index-guided remifentanil administration...
November 2018: British Journal of Anaesthesia
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