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Journals Minimally Invasive Therapy & A...

Minimally Invasive Therapy & Allied Technologies : MITAT

https://read.qxmd.com/read/33463391/wafer-paper-and-ring-mounted-polyglycolic-acid-sheet-method-for-shielding-artificial-gastric-floor
#1
Nobuya Kobayashi, Hideki Kobara, Noriko Nishiyama, Shintaro Fujihara, Kazuhiro Kozuka, Naoya Tada, Takanori Matsui, Taiga Chiyo, Tadayuki Takata, Koji Fujita, Joji Tani, Tatsuo Yachida, Keiichi Okano, Daisuke Nakano, Akira Nishiyama, Hirohito Mori, Tsutomu Masaki
BACKGROUND: The management of postoperative bleeding, after gastric endoscopic submucosal dissection (ESD), has become particularly important because of the recent increase in antithrombotic use. Endoscopic shielding with polyglycolic acid (PGA) sheets has been shown to be effective. However, shrinkage and early displacement of the sheet remain challenges. This study aimed to determine the efficacy and safety of our developed method, named wafer paper and ring-mounted PGA sheet (WaRP)...
January 19, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33463376/a-study-on-safe-forceps-grip-force-for-the-intestinal-tract-using-haptic-technology
#2
Kentaro Yatabe, Soji Ozawa, Junya Oguma, Shinichiro Hiraiwa, Sakura Tomita, Takuya Matsunaga, Nobuyuki Togashi, Minoru Yokoyama, Tomoyuki Shimono, Kouhei Ohnishi
PURPOSE: The present study used haptic technology to determine the safe forceps grip force for preventing organ damage when handling the intestinal tract. MATERIAL AND METHODS: The small intestines of ten male beagle dogs (weighing 9.5-10 kg) were grasped with the entire forceps for one minute; the small intestines were then pulled out of the forceps and evaluated for damage. The force at which the shaft inside the forceps was pulled to close the tip of the forceps was defined as the grip force...
January 19, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33459096/sutureless-energy-based-wound-closure-a-step-in-the-quest-for-trocar-site-hernia-prevention
#3
Mahmoud Abu Gazala, Ronit Brodie, Jonathan B Yuval, Giora Kornblau, David Neustadter, Yoav Mintz
OBJECTIVE: Easy and safe methods of fascia closure are needed in order to reduce the risk for trocar site hernias without affecting procedure time significantly. Here we present a method for port site closure using heat induced collagen denaturation. MATERIAL AND METHODS: Controlled heat-induced collagen denaturation was applied to laparoscopic trocar sites in living porcine animal models. These were compared to control trocar sites which were left open. Port sites were evaluated visually at days 14 and 28 after the procedure, and both visually and pathologically at post-procedural day 42...
January 17, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33439061/lymphadenectomy-in-endometrial-cancer-achieving-more-with-less
#4
Georgios Gitas, Damaris Freytag, Leila Allahqoli, Sascha Baum, Achim Rody, Nicolai Maass, Konstantinos Dinas, Antonio Simone Laganà, Gaby Moawad, Alexandros Sotiriadis, Ibrahim Alkatout
The lymph node status of patients with endometrial cancer is known to be a crucial determinant for the prognosis of the disease. It also provides the indication for further adjuvant treatment. The staging of endometrial cancer by surgery has been a controversial issue for more than 30 years. The significant complication rate after lymphadenectomy and the development of minimally invasive surgery have led to the use of sentinel lymph node (SLN) mapping. In the present review, we present the development of surgical staging procedures in patients with endometrial cancer and summarize the recently expanding body of published literature on the subject...
January 13, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33433250/bilateral-stenting-for-hilar-biliary-obstruction-a-meta-analysis-of-side-by-side-versus-stent-in-stent
#5
Qiang Cao, Lin Sun, Zhi-Qiang Li, Feng-Fei Xia, Jian-Hua Zhang, Tao Song
PURPOSE: To evaluate the efficacy of stent-in-stent (SIS) and side-by-side (SBS) bilateral stenting for treating malignant hilar biliary obstruction (MHBO). MATERIAL AND METHODS: Relevant studies in Pubmed, Embase, and Cochrane Library were identified through June 2020. This meta-analysis was conducted using RevMan v5.3, using relevant endpoint data relating to clinical and technical success, complications, stent dysfunction, and overall survival (OS) rates extracted from these studies...
January 12, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33428484/hysteroscopic-management-of-endometrial-polyps-and-submucous-leiomyomas-in-women-using-a-levonorgestrel-releasing-intrauterine-system
#6
David Kuzel, Zdenka Lisa, Michael Fanta, Zdenek Zizka, Barbora Boudova, Tereza Cindrova-Davies, Michal Mara
INTRODUCTION: This study was designed to evaluate the feasibility and effectiveness of hysteroscopy in the management of symptoms related to endometrial polyps and submucous leiomyomas in women using a levonorgestrel-releasing intrauterine system (LNG-IUS). MATERIAL AND METHODS: Twenty-three LNG-IUS users presenting with endometrial polyps and/or submucous leiomyomas and irregular uterine bleeding were recruited for hysteroscopic examination and surgery. Intrauterine pathology was investigated and treated by hysteroscopic resection with the LNG-IUS in situ , and the effect of the procedure on symptoms was evaluated after three to six months...
January 11, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33423604/long-term-outcomes-of-over-the-scope-clip-for-refractory-gastrointestinal-diseases
#7
Yasuhiro Goda, Hideki Kobara, Nobuya Kobayashi, Noriko Nishiyama, Shintaro Fujihara, Naoya Tada, Kazuhiro Kozuka, Takanori Matsui, Taiga Chiyo, Tingting Shi, Koji Fujita, Joji Tani, Tatsuo Yachida, Masashi Takata, Keiichi Okano, Daisuke Nakano, Akira Nishiyama, Hirohito Mori, Tsutomu Masaki
BACKGROUND: The Over-The-Scope Clip (OTSC) can effectively treat refractory gastrointestinal diseases. However, most reports have focused on short-term effectiveness. We examined clinical outcomes of the deployed clips and long-term characteristics. MATERIAL AND METHODS: Of 47 patients with OTSC treatment, 35 with follow-up periods of ≥3 months were retrospectively examined. The indications were 11 bleedings, 17 perforations, and seven fistulas. The observation period was defined as medium-term (3 to <12 months) or long-term (≥12 months)...
January 11, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33412974/a-case-of-maxillary-cancer-treated-by-intra-arterial-therapy-using-a-steerable-microcatheter
#8
Tomoaki Yamanishi, Hiroki Minamiguchi, Rika Yoshimatsu, Kenji Kajiwara, Kenta Ogi, Miki Nishimori, Chikako Shimada, Hitomi Maeda, Shinji Kariya, Masahiro Komori, Takuji Yamagami
We report on a 69-year-old man with locally-advanced left maxillary sinus cancer who underwent treatment with intra-arterial chemoradiotherapy. Angiography showed that the main feeding arteries were the left maxillary artery and the ophthalmic artery, arising from the internal carotid artery. Due to acute branching of the ophthalmic artery, conventional microcatheters could not be inserted. Using a steerable microcatheter, we were able to repeatedly administer chemoradiotherapy via the ophthalmic artery. The tumor has mostly disappeared after intra-arterial chemoradiotherapy, and the patient is still alive two years after treatment...
January 8, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33412971/design-and-performance-evaluation-of-a-powered-stapler-for-gastrointestinal-anastomosis
#9
Haochen Wang, Wenming Ge, Chenxu Liu, Peiyao Wang, Chengli Song
OBJECTIVE: This paper reports the design of a powered stapler for gastrointestinal anastomosis and evaluates its performance. The proposed stapling instrument is intended to simplify and optimize the current procedure of mechanical stapling, while providing controllable operation for the powered stapling procedure, such as conditioning the tissue to the right stage before firing of the stapler. MATERIAL AND METHODS: The feasibility and efficacy of the prototype were assessed by ex vivo experiments with porcine small intestine segments, where the tissue conditioning operation, burst pressure of the stapled intestine samples, and staple malformation rate were examined...
January 8, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33399491/sepsis-following-hysteroscopic-myomectomy
#10
Katherine J C Chua, Bruce McLucas
Hysteroscopy and hysteroscopic myomectomy in general have low complication rates. Two patients underwent hysteroscopic myomectomy for prolapsing submucous myomas after UAE. The onset of prolapsing myoma occurred at varying times between completion of UAE and myomectomy, resulting in bacteremia for both patients. In Case 1, the patient recovered with intravenous antibiotic treatment. However, the patient in Case 2 had status improvement after undergoing an abdominal myomectomy, explorative laparotomy for removal of a necrotic myoma...
January 5, 2021: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33331203/uterine-rupture-in-pregnancy-after-hysteroscopic-septum-resection-a-20-year-retrospective-analysis
#11
Vid Jansa, Antonio Simone Laganà, Federico Ferrari, Fabio Ghezzi, Tanja Burnik Papler, Eda Vrtacnik Bokal, Helena Ban Frangež
INTRODUCTION: In this study, we reviewed the cases of uterine rupture in our setting, identified which of them had previously undergone hysteroscopic septum resection (HSR), and evaluated the main clinical characteristics for each case. MATERIAL AND METHODS: We retrospectively analyzed (ClinicalTrial ID: NCT04449640) the delivery outcomes from the National Perinatal Information System of the National Institute of Public Health of the Republic of Slovenia of the last 20 years (1 January 1999 - 31 December 2019) and cross-linked the patients with surgical data from our electronic database...
December 17, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33275062/laparoscopic-instrument-for-female-surgeons-an-innovative-model-for-endoscopic-purse-string-suture
#12
Emiko Kono, Kohei Taniguchi, Sang-Woong Lee, Takeshi Ohdaira, Kazuhisa Uchiyama
Commercially available laparoscopic instruments are not designed for female surgeons. We redesigned the endoscopic flexible head purse-string suture instrument for improved use by female surgeons. The weight, total length, and diameter of the swing head handle and clump handle were reduced (786 to 565 g, 715 to 700 mm, 70 to 50 mm, and 30 to 25 mm, respectively). Stroke of the slide for firing and release of the lever was reduced from 92 to 83 mm. This is the first step toward an ergonomic surgical device that considers physical differences related to sex...
December 4, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33269643/omnidirectional-camera-and-head-mount-display-contribute-to-the-safety-of-laparoscopic-surgery
#13
Shoichiro Mukai, Hiroyuki Egi, Minoru Hattori, Yusuke Sumi, Yuichi Kurita, Hideki Ohdan
BACKGROUND: We focused on the availability of an omnidirectional camera and head-mount display (HMD). If the laparoscope is an omnidirectional camera, captured images are sent to the HMD worn by the operator in real time. The operator can thus view the image as they like without moving the camera and obtain a 360° view intuitively. However, the surgical system that can be used for actual laparoscopic operations has not yet been developed. In this study, we aimed to show that an omnidirectional camera and HMD would be useful in laparoscopic surgery...
December 3, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33269633/prevention-of-petersen-s-hernia-using-jejunal-mesentery-fixing-mefix
#14
Jae-Seok Min, Sang-Ho Jeong, Ji-Ho Park, Tae-Han Kim, Soon-Chan Hong, Eun-Jung Jung, Young-Tae Ju, Chi-Young Jeong, Jin-Kwon Lee, Miyeong Park, Young-Joon Lee
BACKGROUND: The aim of this study was to compare the 1 year incidence of Petersen's hernia between individuals who were treated with the jejunal mesentery fixing (Mefix) method and those with the closure of Petersen's space method. MATERIAL AND METHODS: We retrospectively collected clinical data of patients who underwent gastrectomy for gastric cancers with the closure of Petersen's space defect ( N  = 49) and Mefix ( N  = 26). The Mefix method was performed by fixing the jejunal mesentery (jejunojejunostomy below 30 cm) to the transverse mesocolon using nonabsorbable barbed sutures...
December 3, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33241969/is-it-possible-to-continue-academic-teaching-in-surgery-during-the-covid-pandemic-era
#15
Alberto Arezzo, Andrea Vignali, Carlo Alberto Ammirati, Ronit Brodie, Yoav Mintz
In the era of the novel coronavirus (COVID-19) pandemic, we critically appraised the literature by means of a systematic review on surgical education and propose an educational curriculum with the aid of available technologies. We performed a literature search on 10 May 2020 of Medline/PubMed, Embase, Google Scholar and major journals with specific COVID-19 sections. Articles eligible for inclusion contained the topic of education in surgery in the context of COVID-19. Specific questions we aimed to answer were: Is there any difference in surgical education from pre-COVID-19 to now? How does technology assist us in teaching? Can we better harness technology to augment resident training? Two-hundred and twenty-six articles were identified, 21 relevant for our aim: 14 case studies, three survey analyses, three reviews and one commentary...
November 26, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33207973/angular-needle-tracker-and-stabilizer-for-image-guided-interventions
#16
Zhuo Zhao, Rui Li, Lingwen J Xu, Dieter R Enzmann, Bradford J Wood, Zion Tsz Ho Tse
INTRODUCTION: Minimally invasive image-guided interventions have changed the face of procedural medicine. For these procedures, safety and efficacy depend on precise needle placement. Needle targeting devices help improve the accuracy of needle placement, but their use has not seen broad penetration. Some of these devices are costly and require major modifications to the clinical workflow. In this article, we developed a low-cost, disposable, and easy-to-use angulation tracking device, which was based on a redesigned commercial passive needle holder...
November 18, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33155497/comparison-of-clamping-strategies-in-minimally-invasive-partial-nephrectomy-for-ct1-tumors
#17
Meylis Artykov, Hakan Bahadir Haberal, Oguzhan Kahraman, Ahmet Gudeloglu, Sertac Yazici, Cenk Yucel Bilen
OBJECTIVES: To determine whether artery only (AO) clamping promises any advantage over artery and vein (AV) clamping in patients undergoing partial nephrectomy with minimally invasive surgical techniques. MATERIAL AND METHODS: We retrospectively analyzed the data of 68 partial nephrectomy patients who were treated with minimally invasive techniques (robot-assisted laparoscopic or pure laparoscopic) for solitary, unilateral, cT1 renal masses during the period of 2008-2019 in a single institution...
November 6, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33143517/repeat-hepatic-resection-vs-radiofrequency-ablation-for-the-treatment-of-recurrent-hepatocellular-carcinoma-an-updated-meta-analysis
#18
Junjie Liu, Jinming Zhao, H A O Gu, Zhiqiang Zhu
BACKGROUND: This paper evaluates the efficacy and safety of repeat hepatic resection and radiofrequency ablation in the treatment of recurrent hepatocellular carcinoma. MATERIAL AND METHODS: We retrieved and collected all relevant articles from the inception to 8 March 2020. After data extraction, we conducted meta-analysis and carried out the heterogeneity test, sensitivity analysis, and publication bias test to evaluate reliability. RESULTS: A total of 12 studies with 1746 patients (rHR 837, RFA 909) were included...
November 4, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33140683/computed-tomography-guided-coil-localization-for-scapular-blocked-lung-nodules
#19
Yu-Tao Xian, An-Le Wu, Jia Lin, Fei Teng, Zi-Shan Wang, Xin-Jian Xu
PURPOSE: To investigate the clinical efficacy, feasibility, and safety of the preoperative computed tomography (CT)-guided coil localization (CL) approach for scapula-blocked lung nodules (SBLNs). MATERIAL AND METHODS: A total of 123 patients with LNs were treated via CT-guided CL and subsequent VATS-guided wedge resection from January 2015 to June 2020. Of these patients, 12 (9.8%) exhibited SBLNs and underwent CT-guided CL. Technical success of localization and video-assisted thoracoscopic surgery (VATS)-guided wedge resection, and localization-related complications were recorded and analyzed...
November 3, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/33107358/a-critical-review-of-the-safety-of-minimally-invasive-surgery-in-the-era-of-covid-19
#20
Sameh Hany Emile, Hytham K S Hamid
BACKGROUND: The Corona virus disease 2019 (COVID-19) pandemic has affected surgical practice around the world. While several abdominal emergencies can be managed effectively and safely using minimally invasive surgery (MIS), the safety of using MIS amid the COVID-19 pandemic has been debated. MIS, including laparoscopy and robotic surgery, is considered an aerosol-generating procedure and some recent research demonstrated possible spread of the virus through aerosol. This review assessed the available evidence on the safety of MIS in the COVID-19 era, explored the possible precautions to be taken when using MIS to prevent exposure of the operating team to infection, and highlighted the recommendations of several surgical societies in this regard...
October 27, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
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