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Minimally Invasive Therapy & Allied Technologies: MITAT

Li Sun, Ying-Mo Shen, Jie Chen
BACKGROUND: This meta-analysis aimed to explore the safety and efficacy of Lichtenstein versus laparoscopic hernioplasty for inguinal hernias based on eligible randomized controlled trials (RCTs). MATERIAL AND METHODS: We searched several electronic databases to identify eligible studies based on the index words updated to March 2018.We also searched related publication sources and only included eligible RCTs in the current analysis. Relative risk (RR) or mean difference (MD) along with 95% confidence interval (95% CI) were used for the main outcome of our analysis...
February 14, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Zhong-Jie Yang, Yong-Hui Liang, Ming Li, Peng Fang
PURPOSE: To evaluate the usefulness of preoperative computed tomography (CT)-guided coil localization in patients with lung nodules who underwent video-assisted thoracoscopic surgery (VATS) for lung resection. MATERIAL AND METHODS: From October 2015 to January 2018, 76 patients with lung nodules underwent CT-guided coil localization and subsequent VATS in our center. The tail of the coil remained above the visceral pleura. Data regarding the technical success of coil localization and wedge resection were analyzed...
February 3, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Xi-Yu Sun, Lai Xu, Jun-Yang Lu, Guan-Nan Zhang
BACKGROUND: The purpose of this meta-analysis is to evaluate the evidence available on the safety as well as effectiveness of robotic resection as compared to conventional laparoscopic surgery for rectal cancer. MATERIAL AND METHODS: A comparison of laparoscopic and robotic surgical treatments for rectal cancer was collected. Eligible trials that analyzed probabilistic hazard ratios (HR) for endpoints of interest (including perioperative morbidity) and postoperative complications were included in our review...
January 27, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Hyun Jung Lee, Hee Young Cho, Min Joo Peck, Hyo Jin Ki, Myoung Jin Moon, Hyeon Chul Kim, Sung Woon Jang, Young Ran Kim
OBJECTIVE: The purpose of this study was to compare the efficacy and complications between cesarean hysterectomy and uterine artery embolization (UAE) in the management of postpartum bleeding. MATERIAL AND METHODS: We analyzed the outcomes of 48 patients who underwent cesarean hysterectomy from October 2007 to January 2017, and 333 patients who underwent UAE for postpartum bleeding which was unresponsive to conservative management. We reviewed all medical records retrospectively, and assessed the length of hospital stay, amount of blood transfused, operative time, and all procedural-related complications...
January 21, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Edris Wedi, Chi-Nghia Ho, Gabor Conrad, Timo Weiland, Stefanie Freidinger, Manfred Wehrmann, Alexander Meining, Volker Ellenrieder, Thomas Gottwald, Marc Oliver Schurr, Juergen Hochberger
INTRODUCTION: Endoscopic resection techniques can successfully resect large lesions either in "en bloc" fashion or in "piece-meal" technique by using a submucosal injection solution. The aim of this study was to evaluate the safety of a novel injectable, containing thermally sensitive co-polymer from ethylenoxide and propylenoxide (LiftUp) used as submucosal injection solution. MATERIAL AND METHODS: We conducted an in vivo animal trial in the porcine model to evaluate the LiftUp gel in a preclinical setting and to study the effectiveness of mucosal lifting and the safety of the new injectable...
January 19, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Kristine Hagelsteen, Richard Johansson, Mikael Ekelund, Anders Bergenfelz, Magnus Anderberg
BACKGROUND: The benefit of haptic feedback in laparoscopic virtual reality simulators (VRS) is ambiguous. A previous study found 32% faster acquisition of skills with the combination of 3 D and haptic feedback compared to 2 D only. This study aimed to validate perception and effect on performance of haptic feedback by experienced surgeons in the previously tested VRS. MATERIAL AND METHODS: A randomized single blinded cross-over study with laparoscopists (>100 laparoscopic procedures) was conducted in a VRS with 3 D imaging...
January 19, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Monica Ortenzi, Andrea Balla, Roberto Ghiselli, Roberto Vergari, Gianfranco Silecchia, Emanuele Guerrieri, Alessandro Maria Paganini, Mario Guerrieri
INTRODUCTION: The combination of Cushing's syndrome and obesity, one of the most common manifestations of the syndrome itself, may be associated with the worsening of post-operative outcomes in case of laparoscopic adrenalectomy. This study focused on the laparoscopic treatment of Cushing's syndrome with the purpose to identify any relevant difference between morbidly obese, mildly obese and non-obese patients. MATERIAL AND METHODS: Patients were retrospectively divided into three groups according to their Body Mass Index (BMI)...
January 19, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Qinzong Gao, Jing Zhao, Ning Yang, Zhengyu Jin
Arterio-ureteral fistula (AUF) is a rare, but life-threatening disease that causes massive hematuria. We present a case of a 43-year-old female with AUF successfully treated with coil embolization and deployment of endovascular stents, along with a literature review. AUF symptoms most commonly occur with intermittent hematuria. AUF can occur in association with ureteral stenting, radiation, and prior pelvic or vascular surgery. Arteriography or ureteral pyelography are recommended as the most effective diagnostic strategies...
January 16, 2019: Minimally Invasive Therapy & Allied Technologies: MITAT
Simone Garzon, Antonio Simone Laganà, Paola Pomini, Ricciarda Raffaelli, Fabio Ghezzi, Massimo Franchi
During laparoscopic enucleation of an interstitial pregnancy, adequate hemostatic control is of paramount importance due to the high vascularization of the uterine cornus. However, no consensus or guidance exists regarding the optimal hemostatic technique. We report laparoscopic reversible uterine arteries occlusion as hemostatic technique during laparoscopic enucleation by cornuostomy of an interstitial pregnancy at advanced gestational age (46 × 40 mm gestational sac). Preliminary identification of the uterine arteries and bilateral reversible occlusion by Hem-o-Lok clips allowed bleeding control during surgery...
December 4, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Jong Hee Hyun, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Jae Hwan Oh, Sung Chan Park, Min Jung Kim, Dae Kyung Sohn
BACKGROUND: Increasing the number of rectal tumors undergoing preoperative chemoradiotherapy or endoscopic resection has increased the importance of accurate tumor localization. This study describes the preoperative endoscopic clipping method for the localization of rectal tumors and evaluated the feasibility of this technique. MATERIAL AND METHODS: A total of 109 patients underwent preoperative endoscopic clipping to localize non-palpable rectal adenocarcinomas, which were located within 10 cm from the anal verge...
December 4, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Qiang Zhang, Zhen Wang
BACKGROUND AND OBJECTIVE: Assisted endoscopic submucosal dissection (ESD) with mucosal traction remains a challenge. This study explored an approach to assist in esophageal, gastric, colonic, and rectal ESD through a cannula-guided snare with endoclips (CSC-ESD), and aimed to preliminarily evaluate its feasibility in an in vivo porcine model. MATERIAL AND METHODS: Forty-seven digestive tract mucosae in six pigs were resected using CSC-ESD. The operative time, operative success rate, en bloc resection rate, and intraoperative complications were evaluated...
November 24, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Motoki Nakai, Akira Ikoma, Romaric Loffroy, Atsufumi Kamisako, Nobuyuki Higashino, Tetsuo Sonomura
PURPOSE: To assess the efficacy of graft reinforcement followed by percutaneous direct sac embolization (PDSE) for the treatment of endotension after endovascular abdominal aortic aneurysm repair (EVAR). MATERIALS AND METHODS: A total of 290 patients underwent elective EVAR. All patients regularly underwent scheduled surveillance with contrast-enhanced computed tomography (CT). Two hundred thirty-five patients were followed for ≥24 months after EVAR. Aneurysmal sac expansion of ≥10 mm was observed in 20 patients...
November 21, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Christian Heiliger, Jerzy Piecuch, Alexander Frank, Dorian Andrade, Viktor Von Ehrlich-Treuenstätt, Tobias Schiergens, Markus Rentsch, Jens Werner, Konrad Karcz
AIM: In this pilot animal study we examined whether it is possible to visualize the embryonal resection layers by using intraarterial indocyanine green (ICG) staining when performing total mesorectal excision (TME) for carcinoma of the rectum. MATERIAL AND METHODS: We injected ICG into the inferior mesenteric artery (AMI) of four swines to see whether the watershed area of the arterial supply zone can be sufficiently visualized by fluorescence imaging in order to mark the right dissection area along the fascia parietalis before and during resection...
November 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Herman Alexander Jaeger, Fabian Trauzettel, Pietro Nardelli, Federico Daverieux, Erlend Fagertun Hofstad, Håkon O Leira, Marcus P Kennedy, Thomas Langø, Pádraig Cantillon-Murphy
OBJECTIVES: The goal was to demonstrate the utility of open-source tracking and visualisation tools in the targeting of lung cancer. MATERIAL AND METHODS: The study demonstrates the first deployment of the Anser electromagnetic (EM) tracking system with the CustusX image-guided interventional research platform to navigate using an endobronchial catheter to injected tumour targets. Live animal investigations validated the deployment and targeting of peripheral tumour models using an innovative tumour marking routine...
November 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yann Croissant, Stephan Zangos, Moritz H Albrecht, Katrin Eichler, Christof Schomerus, Adam Spandorfer, U Joseph Schoepf, Thomas J Vogl, Christoph Czerny
PURPOSE: To assess the accuracy and time requirements of image-guided percutaneous K-wire insertion in the spine using an advanced robot assistance device for needle guidance and to demonstrate a radiation-free workflow for the physician. MATERIAL AND METHODS: A planning CT-scan was acquired of a cadaver specimen and analyzed using a 3D-interventional software integrated in the robotic device. The optimal needle path was simulated and the needle holder of the robot was used for guidance during K-wire insertion...
November 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Frédérique Meeuwsen, Annetje Guédon, Jan Klein, Maarten van Der Elst, Jenny Dankelman, John Van Den Dobbelsteen
INTRODUCTION: Electrosurgery is used in 80% of surgical procedures. The technique allows surgeons to skilfully dissect tissues and achieve haemostasis. Since improper use of electrosurgery can lead to serious adverse events, training is required to potentially reduce the number and severity of these events. In this study we evaluate education and training in electrosurgery for surgical residents. MATERIAL AND METHODS: Residents from six surgical subspecialties in the Netherlands were invited to anonymously complete a digital questionnaire about training, supervision and adverse events regarding electrosurgery...
October 12, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Hilbert S de Vries, Diederik Smeeing, Harm Lourens, Philip M Kruyt, Roland M H G Mollen
BACKGROUND: The treatment of incisional and ventral hernias is associated with significant complications and recurrences, especially in severely obese patients. Recent studies have shown a reduced rate of surgical site infections and length of hospital stay in severely obese patients undergoing a laparoscopic ventral hernia repair. AIM: This study aims to describe the clinical experience in terms of efficacy and safety with laparoscopic ventral hernia repair using the ParietexTM Composite mesh (Covidien Sofradim Production, Trevoux, France) in severely obese patients (body mass index ≥35) compared with non-severe obese patients in a seven-year single-center cohort...
October 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yujie Yuan, Jidong Zuo, Weigang Dai, Weidong Feng, Weixin Xiong, Jinfu Tan, Min Tan
PURPOSE: Nowadays, biological matrix has become more widely applied than synthetic mesh for the surgical management of ventral hernia. Conventionally, such biodegradable matrix is commonly placed in an intraperitoneal or extraperitoneal position to reinforce the abdominal wall during surgery. Herein, we introduce our novel idea to deliver such biological material. MATERIAL AND METHODS: After contrast-enhanced CT-scan via lateral decubitus confirmed the position of ventral hernias, 11 patients underwent deperitoneum biological mesh repair by open or laparoscopic approach...
October 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ernesto Tartaglia, Stefano Reggio, Diego Cuccurullo, Massimiliano Fabozzi, Carlo Sagnelli, Lucia Miranda, Francesco Corcione
BACKGROUND: Near-total splenectomy (NTS) represents an innovative and effective surgery technique for spleen disease, reducing the risk of severe infections and thromboembolic events after total splenectomy. The authors reported a laparoscopic near-total splenectomy (LNTS) surgical experience following the optimal results of the open approach, describing a standardized and effective minimally invasive technique with the purpose of preserving a minimal residual spleen. MATERIAL AND METHODS: From November 2006 to September 2016, 15 patients with splenic and hematologic disease underwent LNTS, according to a laparoscopic procedure developed by the authors...
October 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ruediger Prosst
OTSC Proctology is a minimally invasive sphincter-preserving technique for the surgical treatment of anorectal fistulas. It is based on a super-elastic Nitinol clip which closes the internal fistula opening to allow healing of the fistula tract. A systematic search of the literature was undertaken to identify publications about OTSC Proctology. All studies and reports identified were reviewed and evaluated to determine the feasibility, efficacy and safety of clip surgery. The assessment of all available studies with a total of more than 200 surgical cases strongly suggests that the clip procedure is safe and effective with a low rate of complications...
October 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
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