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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
Serdar Yalcin, Eymen Gazel, Bhaskar K Somani, Sercan Yilmaz, Lutfi Tunc
INTRODUCTION: In this study we evaluate the influence of longitudinal and transverse length of prostate size measured on the magnetic resonance imaging (MRI) scan on the overall outcomes of HoLEP. MATERIAL AND METHODS: The patients were divided into two groups based on the shape of the prostate. Group 1 had a longitudinal shape with a longitudinal diameter greater than the transverse diameter, whereas group 2 had an oval shape with a transverse diameter greater than the longitudinal diameter...
October 8, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Dal-Sung Ryu, Sang-Soak Ahn, Kyung-Hyun Kim, Jeong-Yoon Park, Sung-Uk Kuh, Dong-Kyu Chin, Keun-Su Kim, Yong-Eun Cho
OBJECTIVE: To compare the clinical and radiographic results between open transforaminal interbody fusion (TLIF-O) and minimally invasive TLIF (TLIF-M) for single-level low grade isthmic spondylolisthesis (IS). METHODS: This study enrolled 45 patients who underwent single-level TLIF with low grade IS. The patients were divided into two groups according to operative method: TLIF-M (20 patients) and TLIF-O (25 patients). TLIF-O group was matched with TLIF-M. RESULTS: At one-year postoperatively, there were no significant differences in any radiologic parameters between the two groups...
September 28, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Takuya Hashizume, Masashi Shimohira, Kengo Ohta, Kazushi Suzuki, Yusuke Sawada, Yoshihisa Nakamura, Motohiko Suzuki, Shingo Murakami, Yuta Shibamoto
PURPOSE: To evaluate the usefulness of preoperative transcatheter arterial embolization using a gelatin sponge for hypervascular head and neck tumors to reduce intraoperative blood loss (IBL).     Material and methods: Nineteen patients underwent preoperative transcatheter arterial embolization for hypervascular head and neck tumors using a gelatin sponge. The technical success rate, devascularization rate, IBL, and complications were evaluated. Angiography images obtained before and after preoperative embolization were compared in all patients, and the devascularization rate was assessed from the relative reduction rate of contrast agent volumes...
September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ayperi Ozturk, Yusuf Taha Gullu
OBJECTIVE: To determine the correlation and/or discrepancies between positron emission tomography (PET-CT) findings, endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and surgery in the staging of non-small cell lung carcinoma. MATERIAL AND METHODS: Data were evaluated retrospectively from a prospective interventional endoscopy database. Positive results with EBUS-TBNA was the first end point and all cytology negatives were confirmed with mediastinoscopy/surgery...
September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
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September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Tetsuya Katsumori, Shunsuke Asai, Hajime Yokota, Hiroshi Miura
PURPOSE: To assess whether pre-procedural MRI findings predict the volume of tris-acryl gelatin microspheres (TAGM) used in uterine artery embolization (UAE) for leiomyomas. MATERIAL AND METHODS: This was a retrospective, single-institution study. Between June 2014 and December 2017, 73 patients with leiomyomas underwent UAE with TAGM alone. Univariate and multivariate analyses were performed to assess the relationships between the volume of TAGM and baseline parameters...
September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Jian-Cong Chen, Chun-Yu Huang, Jun-Cheng Wang, Yao-Jun Zhang, Li Xu, Min-Shan Chen, Zhong-Guo Zhou
BACKGROUND: Hepatic caudate lobectomy is considered to be a technically difficult surgery because of the unique anatomy and deep location of the hepatic caudate lobe. Here, we assessed the technical feasibility and safety of robotic partial caudate lobectomy using the da Vinci® Surgical System and compared it with traditional open/laparoscopic surgery. MATERIAL AND METHODS: Six patients diagnosed with liver cancer (primary liver cancer, 5; metastasis of breast cancer, 1) who underwent caudate lobectomy were prospectively enrolled...
September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Guenter Karl Noé, Ibrahim Alkatout, Sven Schiermeier, Stephan Soltécz, Michael Anapolski
INTRODUCTION: Traditionally, a cystocele caused by a midline defect of the pelvic fascia is treated by vaginal fascia duplication, also known as anterior colporraphy. The rectocele is managed by suturing the posterior fascia and, frequently, the levator ani muscles. We developed the approach of laparoscopic anterior and posterior fascia repair by native tissue. MATERIAL AND METHODS: The methods were based on anterior and posterior exposure of pelvic fascia similar to the preparation of an extended sacral colpopexy...
September 27, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Shan Zhao, Li Yan, Zhiyi Zhao, Ming Hou, Fengnian Rong
BACKGROUND: Chronic renal failure (CRF) in women is frequently accompanied by endocrine disturbances leading to abnormal uterine bleeding (AUB). Recurrence of AUB is the most significant problem following current treatment approaches. Laparoscopic hysterectomy (LH) might be taken into consideration for patients who no longer want to preserve their fertility; however, these patients are in high-risk groups for minimally invasive surgery. Our goal was to determine whether LH is a good option for the treatment of AUB in patients with CRF when the associated risks are carefully managed...
September 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Saseem Poudel, Yo Kurashima, Yo Kawarada, Yoshihiro Murakami, Kimitaka Tanaka, Hiroshi Kawase, Toshiaki Shichinohe, Satoshi Hirano
BACKGROUND: Laparoscopic inguinal hernia repair is considered technically difficult. Although a simulation-based curriculum has been developed to help trainees, access to simulation training outside North America is limited. This study aimed to develop an educational system for the transabdominal preperitoneal (TAPP) approach based on the TAPP checklist, an assessment tool we had developed and validated earlier. MATERIAL AND METHODS: Consensus within the TAPP education working group consisting of local TAPP experts, hernia experts and a surgical educator to develop educational tools and the educational system based on the TAPP checklist...
September 11, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Sebastian Ruetten, Patrick Hahn, Semih Oezdemir, Xenophon Baraliakos, Georgios Godolias, Martin Komp
BACKGROUND: Infections of the anterior craniocervical junction may require surgery. There are various techniques with individual advantages and disadvantages. This study evaluates the full-endoscopic uniportal technique via the anterior retropharyngeal approach for odontoidectomy, decompression, and debridement. MATERIAL AND METHODS: Three patients with an infection of the anterior craniocervical junction with retrodental involvement were operated on between 2014 and 2016 using the full-endoscopic uniportal technique...
September 4, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Tichun Wang, Haiying Tang, Zhengxiang Xie, Shixiong Deng
Uterine fibroids are extremely common uterine neoplasms. However, whether robotic-assisted laparoscopic myomectomy (RALM) is superior to laparoscopic myomectomy (LM) or abdominal myomectomy (AM) is still debatable. Consequently, we aimed to compare the three currently major surgical techniques used in patients with uterine fibroids. We searched the PubMed, the Cochrane Library, MEDLINE, Embase, and Web of Science databases up to April 22, 2017. The meta-analysis included 20 studies involving 2852 patients. The number of complications [odd ratio (OR) 0...
October 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
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