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Minimally Invasive Therapy & Allied Technologies: MITAT

Keiichi Okano, Hironobu Suto, Minoru Oshima, Yasuhisa Ando, Eisuke Asano, Takayoshi Kishino, Masao Fujiwara, Hideki Kobara, Hirohito Mori, Tsutomu Masaki, Yasuyuki Suzuki
Although stapler dissection and closure is commonly used for laparoscopic distal pancreatectomy (LDP), it is risky in patients with thick pancreatic parenchyma or titanium allergy. We performed laparoscopic pancreatic parenchymal dissection with cavitron ultrasonic surgical aspirator (CUSA) successfully in a patient with titanium allergy. Slinging the pancreas with nylon tape delineates the surgical plane. Pancreatic parenchyma was transected by CUSA in an almost bloodless field. Pancreatic duct branches and vessels were adequately exposed and dissected with a vessel sealing system...
June 5, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Seoung Yoon Rho, Sung Hyun Kim, Chang Moo Kang, Woo Jung Lee
Laparoscopic pancreaticoduodenectomy (PD) has been reported to be technically feasible and safe. Successful pancreatico-enteric anastomosis in particular is important for safe PD. Intraoperative perfusion of the remnant pancreas can be evaluated with ICG technology and be applied in pancreatic reconstruction in PD. A 68-year old female patient with distal common bile duct cancer underwent laparoscopic pylorus-preserving pancreaticoduodenectomy. After pancreaticojejunostomy (PJ), we checked perfusion of the anastomosis line using an ICG imaging system and noticed a perfusion defect at the anterior wall...
June 5, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yasuhiro Goda, Hirohito Mori, Hideki Kobara, Tsutomu Masaki
BACKGROUND: Duodenal ESD is considered especially difficult with perforation and bleeding. This study assessed safer duodenal ESD procedures, especially with regard to obtaining a good operation view using a ring-thread method and closure of a post-ESD artificial ulcer. METHODS: From 2013 to 2015, 17 patients who were diagnosed with duodenal adenoma or early duodenal cancer >20 mm in diameter underwent conventional ESD (C group). From 2016 to 2017, 12 patients underwent ring-shaped thread counter traction ESD with hemoclips and/or Over-The-Scope Clip (OTSC) (Ovesco Endoscopy GmbH, Tuebingen, Germany) closure of post ESD artificial ulcer (ring group)...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Selim Misirlioglu, Aysen Boza, Bulent Urman, Cagatay Taskiran
OBJECTIVE: To compare the operation time and performance of two uterine manipulators used for total laparoscopic hysterectomy (TLH). MATERIAL AND METHODS: Design: Retrospective cohort analysis. Design classification: Canadian Task Force Classification II-2. SETTING: Tertiary-care university-based teaching hospital and academic affiliated private hospital. PATIENTS: All consecutive patients who underwent for TLH between January 2014 and June 2017...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Kim Platte, Chantal C J Alleblas, Joanna Inthout, Theodoor E Nieboer
BACKGROUND: The star-track test has been assessed as valid and reliable to measure manual dexterity in the context of open surgery. We aimed to determine the construct validity and test-retest reliability of the star-track test for manual dexterity in a laparoscopic setting. MATERIAL AND METHODS: The star-track test was performed in a laparoscopic box trainer. To determine construct validity an open-label, randomized four-period crossover trial was conducted. Alongside a baseline (non-interventional) measurement, interventions involved: physical fatigue, mental stress and a combination of these...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ioannis Karakitsios, Senay Mihcin, Andreas Melzer
PURPOSE: Reference-less MR thermometry can be a promising technique for temperature mapping during liver treatment with Magnetic Resonance-guided Focused Ultrasound (MRgFUS), as it is more robust to breathing motion than Proton Resonance Frequency MR thermometry. However, there is a lack of a pre-clinical model for repeatable testing of reference-less thermometry. The purpose of this work was to verify the explanted Thiel embalmed human liver and whole Thiel embalmed human cadaver for application of a custom made reference-less thermometry algorithm during MRgFUS sonication...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yetkin Karasu, Burak Akselim
BACKGROUND: The aim of this study was to compare single-incision laparoscopic surgery (SILS) and conventional laparoscopy in ectopic pregnancies accompanied by severe hemoperitoneum. MATERIAL AND METHODS: The main outcome measures were duration of surgery, intraoperative bleeding quantity, complications, post-operative pain scores, additional analgesic requirements, and length of hospital stay. RESULTS: A total of 53 women, 28 in the conventional laparoscopy group and 25 in the SILS group, participated in the study...
May 9, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yoshitaka Inaba, Yasuaki Arai, Miyuki Sone, Takeshi Aramaki, Keigo Osuga, Hayao Tanaka, Kenichi Kanemasa
PURPOSE: A steerable microcatheter provided with a mechanism on the handle for changing the direction of the catheter tip was developed by Sumitomo Bakelite and evaluated in a clinical trial before introduction into clinical use. MATERIAL AND METHODS: The steerable microcatheter has a 2.4F/2.9-F external diameter (distal/proximal portion) and a 0.021-inch internal diameter with a dial on the proximal portion for moving the tip. In patients scheduled to undergo selective transarterial procedures, selective arteriography of target arterial branches chosen by the evaluator was performed using the steerable microcatheter during the procedure...
April 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Pall Jens Reynisson, Håkon Olav Leira, Thomas Langø, Geir Arne Tangen, Peter Hatlen, Tore Amundsen, Erlend Fagertun Hofstad
OBJECTIVE: Endoluminal visualization in virtual and video bronchoscopy lacks information about the surrounding structures, and the traditional 2 D axial, coronal and sagittal CT views can be difficult to interpret. To address this challenge, we previously introduced a novel visualization technique, Anchored to Centerline Curved Surface, for navigated bronchoscopy. The current study compares the ACCuSurf to the standard ACS CT views as planning and guiding tools in a phantom study. MATERIAL AND METHODS: Bronchoscope operators navigated in physical phantom guided by virtual realistic image data constructed by fusion of CT dataset of phantom and anonymized patient CT data...
April 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Bin He, Shujun Xie, Jing Wang, Chao Xu, Yingdelong Mao, Shuogui Xu
STUDY DESIGN: Randomized controlled trials of conventional and laser-navigated technology techniques for balloon kyphoplasty were carried out. OBJECTIVE: To evaluate the effectiveness of a new laser navigation system in reducing the radiation dose in balloon kyphoplasty procedures. MATERIAL AND METHODS: Sixty-seven randomized controlled trials involving a total of 75 lumbar vertebrae were treated. Thirty-four vertebrae were treated by regular fluoroscopic imaging alone, and the other 41 vertebrae were treated using the new laser navigation system...
April 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Mariana Borges-Dias, Leonor Carmo, Ruben Lamas-Pinheiro, Tiago Henriques-Coelho, José Estevão-Costa
INTRODUCTION: Trans-umbilical laparoscopic-assisted appendectomy (TULAA) combines advantages of open surgery with benefits of laparoscopy and can be performed either by single-incision or with two trocars; the present study aims to compare outcomes and cost of these techniques in a pediatric serie. MATERIAL AND METHODS: Patients undergoing TULAA between July 2013 and June 2014 were retrospectively reviewed. There were two groups: A (single-incision) - one umbilical trocar for a telescope with inbuilt working channel; and B (2-trocar) - one umbilical trocar for a 'standard' telescope plus a supra-pubic trocar for instruments...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Bruce McLucas, William D Voorhees, Scott A Snyder
OBJECTIVE: To determine the effects of uterine artery embolization (UAE) on ovarian reserve as measured by Anti-Müllerian hormone (AMH) levels. MATERIAL AND METHODS: Non-randomized, observational study of 89 women 23-40 years of age who received UAE. Control hormone levels were measured prior to UAE and the first post-embolization measurement was taken at various times post-procedure (mean = 190 ± 229 days). RESULTS: Historical work verified by our earlier work has shown that AMH levels decline with age...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Chihiro Iwashita, Hirotsugu Sakamoto, Yoshimasa Miura, Satoshi Shinozaki, Yoshikazu Hayashi, Yuji Ino, Hiroyuki Osawa, Mio Tamba, Kohei Morita, Alan Kawarai Lefor, Hironori Yamamoto
BACKGROUND/AIMS: A submucosal cushion of sodium hyaluronate facilitates gastric and colorectal endoscopic submucosal dissection (ESD). However, few studies have evaluated the utility of sodium hyaluronate for ESD of esophageal lesions. The aim of this study is to evaluate the utility and safety of sodium hyaluronate for ESD of superficial esophageal squamous cell neoplasms (ESCN). MATERIAL AND METHODS: We retrospectively reviewed 111 ESCN in 86 patients treated by ESD between September 2007 and April 2013...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ke Chen, Shu-Ting Zhai, Jun-Hai Pan, Wei-Hua Yu, Yu Pan, Qi-Long Chen, Ding-Wei Chen, Yi-Ping Zhu, Jia-Fei Yan, Hendi Maher, Xian-Fa Wang
BACKGROUND: Laparoscopic distal gastrectomy (LDG) for gastric cancer has gradually gained popularity. However, laparoscopic total gastrectomy (LTG) has been reported rarely when compared with LDG. This study was designed to evaluate the surgical outcomes as well as the morbidity and mortality of LTG compared with LDG to confirm the feasibility and safety of LTG. MATERIAL AND METHODS: We reviewed the data of patients at our institution undergoing LTG (n = 448) or LDG (n = 956) for gastric cancer between January 2008 and July 2016...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Yasin Ceylan, Oktay Ucer, Ozan Bozkurt, Bulent Gunlusoy, Oguz Mertoglu, Ali Ersin Zumrutbas, Guner Yildiz, Bora Irer, Talha Muezzinoglu, Omer Demir
OBJECTIVES: We aimed to compare the effect of shock wave lithotripsy (SWL) and ureteroscopic lithotripsy (URS) on health-related quality of life (HRQoL) for the treatment of proximal ureteral stones. MATERIAL AND METHODS: Between April 2014 and July 2015, patients with proximal ureteral stones who were successfully treated with URS or SWL in seven different centers were included. Patients were divided into two groups according to stone size: stones ≤10 mm and >10 mm...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Qiang Zhang, Liang-Qing Gao, Ze-Long Han, Xiao-Feng Li, Li-Hui Wang, Si-De Liu
AIMS: To evaluate the effectiveness and safety of endoscopic resection for gastric gastrointestinal stromal tumors (GISTs). MATERIAL AND METHODS: The effectiveness and safety of endoscopic resection were mainly assessed by complete resection rate, postoperative adverse event rate, and recurrence rate. Moreover, a comparison of endoscopic with laparoscopic resection for gastric GISTs was made through weighted mean difference by STATA 12.0 with regard to operation time, blood loss, and length of stay after including patients who underwent endoscopic or laparoscopic resection for gastric GISTs in the comparative studies...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Serkan Dikici, Betül Aldemir Dikici, Hakan Eser, Erkin Gezgin, Özgün Başer, Savaş Şahin, Bülent Yılmaz, Hakan Oflaz
BACKGROUND: Hysterectomy, the most common major gynecological operation worldwide, consists of removal of the uterus and can be performed abdominally, vaginally, or laparoscopically. A uterine manipulator is a key device used for uterine manipulation and cannulation in hysterectomies. The challenges of conventional manipulators are to move the uterus in two distinct planes and to identify cervical landmarks during circular cut and coagulation. MATERIAL AND METHODS: In this study, a structural synthesis of the two degrees of freedom parallel manipulator was performed considering the constraints noted by surgeons...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Antonio Caputo, Arthur Schmidt, Karel Caca, Peter Bauerfeind, Sebastian Schostek, Chi-Nghia Ho, Thomas Gottwald, Marc O Schurr
INTRODUCTION: The remOVE System (Ovesco Endoscopy AG, Tuebingen, Germany) is a medical device for the endoscopic removal of OTSC or FTRD clips (Ovesco Endoscopy AG, Tuebingen, Germany). The aim of this paper is to assess the efficacy and safety of this system. MATERIAL AND METHODS: A total of 74 patients underwent clip extraction. The standard removal procedure comprises fragmenting the clip by applying an electrical direct current pulse at two opposing sides of the clip...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Seyed Mohammad Kazem Aghamir, Alborz Salavati
BACKGROUND: Almost all endourologic procedures use fluoroscopic imaging in some steps, which exposes both the patient and the surgical team to considerable amounts of radiation. Primary reports on results of a simple direct visual endoscopic access sheath placement technique which does not use fluoroscopy at all are presented. MATERIAL AND METHODS: First a semi-rigid ureteroscopy was carried out up to the renal pelvis, then the access sheath (36 cm, 11/13 Fr) without the obturator was placed over a 7...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Kohei Takei, Mutsushi Yamasaki, Satoki Abe, Naoyuki Yamanaka, Shinya Sejiyama, Takahiro Narimatsu, Shinro Hata, Tadamasa Shibuya, Kenichi Hirai, Tadasuke Ando, Toshitaka Shin, Kenichi Mori, Yasuhiro Sumino, Takeo Nomura, Fuminori Sato, Toshiro Terachi, Hiromitsu Mimata
PURPOSE: The purpose of this study is to assess the efficacy of laparoendoscopic single-site (LESS) nephrectomy in hemodialysis patients, we compared outcomes between LESS nephrectomy and conventional laparoendoscopic nephrectomy in hemodialysis patients with dialysis-related renal tumors. MATERIAL AND METHODS: A total of 16 hemodialysis patients who underwent LESS nephrectomy (LESS-N; n = 8) or conventional laparoendoscopic nephrectomy (C-N; n = 8) between November 2003 and July 2012 were retrospectively evaluated...
June 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
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