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Minimally Invasive Therapy & Allied Technologies: MITAT

Cristina Remondi, Francesco Sesti, Giuseppe Sorrenti, Giovannella Venezia, Roberto Sorge, Adalgisa Pietropolli, Beatrice Silvi, Emilio Piccione
OBJECTIVE: The aim of this study was to compare 22 Fr unipolar resectoscope with the traditional 26 Fr unipolar resectoscope in endometrial polypectomy performed under paracervical block anesthesia. METHODS: The trial took place in Gynecologic Unit, Department of Surgery, Tor Vergata University Hospital, Rome. Inclusion criteria were: diagnosis of endometrial polyps <3 cm at office hysteroscopy; agreement of patients to perform surgery under paracervical block anesthesia but not in office setting...
March 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Jaime Ruiz-Tovar, José Luis Muñoz, Pablo Royo, Manuel Duran, Elisabeth Redondo, Jose Manuel Ramirez
INTRODUCTION: The essence of Enhanced Recovery After Surgery (ERAS) programs is the multimodal approach, and many authors have demonstrated safety and feasibility in fast track bariatric surgery. According to this concept, a multidisciplinary ERAS program for bariatric surgery has been developed by the Spanish Fast Track Group (ERAS Spain). The aim of this study was to analyze the initial implementation of this Spanish National ERAS protocol in bariatric surgery, comparing it with a historical cohort receiving standard care...
March 8, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Zhen-Bo Ouyang, Song Quan
No abstract text is available yet for this article.
March 5, 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...
February 28, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Qianyu Kang, Fengze Jiang, Yang Yu, Chen Shen, Hang Lv, Bo Yang
PURPOSE: To determine the effectiveness of the Resonance metallic stent in treating malignant ureteral obstruction (MUO) and clarify the risk factors that lead to stent failure. MATERIAL AND METHODS: We retrospectively identified and analyzed the records of patients who had MUO and underwent placement of Resonance metallic stents from November 2014 to June 2017 in our hospital. Stent failure was defined as unexpected interventions including stent exchange, need of percutaneous nephrostomies (PCN) or ureterocutaneostomy...
February 23, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
(no author information available yet)
No abstract text is available yet for this article.
February 19, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Ibrahim Alkatout
BACKGROUND: The removal of obstacles from the surgical field is a crucial aspect of any procedure in gynecological, urological or visceral laparoscopic surgery. Reliable instruments and skilled assistance are essential for the smooth execution of procedures. Blunt forceps are commonly used to keep tissue away from the operating field. The range of existing instruments has been enhanced by the introduction of laparoscopic retractors. However, no laparoscopic retractor can be used without causing tissue damage...
February 19, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Mingshuai Wang, Xingyu Mu, Feiya Yang, Yinong Niu, Nianzeng Xing
OBJECTIVE: To evaluate the efficacy and safety of self-retaining barbed suture in renorrhaphy during laparoscopic partial nephrectomy by comparing surgical outcomes in a prospective randomized manner. MATERIAL AND METHODS: From July 2014 to July 2015, a total of 60 patients with T1 renal tumor were randomized into two equal groups: self-retaining barbed suture (SRBS) and conventional absorbable polyglactin suture (non-SRBS group). All patients were treated by retroperitoneal laparoscopic partial nephrectomy...
February 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Baoxian Liu, Chunlin Jiang, Shuling Chen, Guangliang Huang, Yu Wang, Jiaping Li, Ming Xu, Xiaoyan Xie, Ming Kuang
PURPOSE: To retrospectively investigate the efficacy of multipronged ethanol ablation with or without transarterial chemoembolization (TACE) in the treatment of intermediate hepatocellular carcinoma (HCC) (3.1-5.0 cm in diameter) at high-risk locations . MATERIAL AND METHODS: From March 2009 to April 2014, 25 consecutive patients with intermediate HCC who underwent multipronged ethanol ablation combined with TACE were included in the combination treatment group, while 50 patients who underwent multipronged ethanol ablation alone were included in the control group...
February 1, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Adrian Gonzalez-Aguirre, Anne M Covey, Karen T Brown, Lynn A Brody, F Edward Boas, Constantinos T Sofocleous, Majid Maybody, George I Getrajdman, Joseph P Erinjeri
PURPOSE: The purpose of this study is to evaluate the accuracy of percutaneous fine needle biopsy (FNB) and brush biopsy (BB) at a cancer center. MATERIAL AND METHODS: Retrospective analysis of all bile duct biopsies performed in Interventional Radiology between January 2000 and January 2015 was performed. FNB was performed under real-time cholangiographic guidance using a notched needle directed at the bile duct stricture. BB was performed by advancing a brush across the stricture and moving it back and forth to scrape the stricture...
February 1, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Daniel Gnutzmann, Nikolas Kortes, Migle Sumkauskaite, Anne Schmitz, Karl-Heinz Weiss, Boris Radeleff
Hepatocellular carcinoma (HCC) is the fifth most common cancer worldwide. Only 30-40% of patients diagnosed with HCC are candidates for curative treatment options. The remaining majority of patients undergo local, regional or systemic palliative therapies. Transvascular therapy of HCC takes advantage of the fact that hypervascularized HCCs receive their main perfusion from the hepatic artery. In this context transvascular therapy describes different therapies: bland embolization (transarterial embolization, TAE), cTACE (conventional transarterial chemoembolization), DEB-TACE (TACE with drug-eluting beads, DEB) and SIRT (selective internal radiation therapy, radioembolization)...
January 30, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Jeeyeon Lee, Jin Hyang Jung, Wan Wook Kim, So Hyang Moon, Jae-Hwan Jeong, Ji-Young Park, Ji Yun Jeong, Ho Lee, Ik-Bu Sohn, Chang Hwan Kim, Ho Yong Park
BACKGROUND: The aim of this study was to compare the therapeutic effect of laser ablation using the forward-firing fiber and the multidirectional-firing fiber for breast cancer treatment with pathologic results. MATERIAL AND METHODS: An ex vivo study of laser ablation was conducted using normal breast and breast cancer tissue. Each ablated area was demarcated into three zones, and the temperature was measured. Laser ablations using multidirectional and forward-firing types of fiber were compared regarding the shape, diameter and aspect ratio of the ablated lesions...
January 21, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Senay Mihcin, Andreas Melzer
Focused ultrasound (FUS/HIFU) relies on ablation of pathological tissues by delivering a sufficiently high level of acoustic energy in situ of the human body. Magnetic Resonance guided FUS (MRgFUS/HIFU) and Ultrasound guided (USgFUS/HIFU) are image guided techniques combined with therapeutic FUS for monitoring purposes. The principles and technologies of FUS/HiFU are described in this paper including the basics of MR guidance techniques and MR temperature mapping. Clinical applications of FUS/HIFU gained CE and FDA approvals for the treatment of various benign and few malignant lesions in the last two decades...
January 18, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Thomas J Vogl, Bita Panahi, Moritz H Albrecht, Nagy Naguib Naeem Naguib, Nour-Eldin A Nour-Eldin, Tatjana Gruber-Rouh, Zachary M Thompson, Lajos M Basten
OBJECTIVES: To evaluate the clinical performance of percutaneous microwave ablation (MWA) for treatment of locally-advanced-pancreatic-cancer (LAPC). MATERIAL AND METHODS: Twenty-two MWA sessions (August 2015-March 2017) in 20 patients with primary pancreatic cancer (13 men, 7 women, mean-age: 59.9 ± 8.6 years, range: 46-73 years), who had given informed consent, were retrospectively evaluated. All procedures were performed percutaneously under CT-guidance using the same high-frequency (2...
December 26, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
Yasutaka Baba, Michiyo Higashi, Kazuo Awai
Transcatheter arterial or venous embolization has been widely used to address solid tumors by occluding the tumor-feeding vessels. It is also performed to treat portosystemic shunts and to stop bleeding by repair of the site of trauma. Commonly used embolic materials are gelatin sponges, coils, beads, and liquid agents such as absolute ethanol, histoacyryl, and onyx. In the field of interventional radiology, embolotherapy is performed routinely. Liquid embolization agents have different characteristics. Their coagulation time, the inflammatory reaction of the vascular wall or surrounding tissue, and their adhesion to the vascular wall vary...
February 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
David-Emanuel Kessler, Jakob Weiss, Hansjörg Rempp, Philippe L Pereira, Konstantin Nikolaou, Stephan Clasen, Rüdiger Hoffmann
OBJECTIVE: To evaluate artifact configuration and diameters of a magnetic resonance (MR) compatible microwave (MW) applicator using near-realtime MR-fluoroscopic sequences for percutaneous tumor ablation procedures. MATERIAL AND METHODS: Two MW applicators (14 G and 16 G) were tested in an ex-vivo phantom at 1.5 T with two 3 D fluoroscopic sequences: T1-weighted spoiled Gradient Echo (GRE) and T1/T2-weighted Steady State Free Precession (SSFP) sequence. Applicator orientation to main magnetic field (B0 ), slice orientation and phase encoding direction (PED) were systematically varied...
February 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Marius Schwalbe, Tom Williamson, Iwan Paolucci, Torsten Fuss, Iris Baumgartner, Daniel Candinas, Stefan Weber, Pascale Tinguely
BACKGROUND: The benefits of using navigation technology for percutaneous local ablation of selected hepatocellular carcinoma (HCC) have been shown. Due to additional efforts in the procedural workflow, barriers to introducing navigation systems on a broad clinical level remain high. In this work, initial steps toward a novel concept for simple and precise targeting of HCC are evaluated. MATERIAL AND METHODS: The proposed technique is based on an angiographic approach using an intrahepatic electromagnetic (EM) reference, for consecutive percutaneous navigated positioning of ablation probes...
February 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Rika Yoshimatsu, Akinori Doi, Tomoaki Yamanishi, Miki Nishimori, Kenta Ogi, Kenji Kajiwara, Taiji Tamura, Hiroki Minamiguchi, Takuji Yamagami
PURPOSE: To evaluate the usefulness of a method we developed to predict the ablation area at the time of CT guided radiofrequency (RF) ablation for liver tumors on a CT workstation. MATERIAL AND METHODS: Ten tumors (mean diameter 15.5 mm, range, 9.0-21.5 mm) in seven patients with hepatocellular carcinoma for which CT guided RF ablation was performed were subjects of this study. After advancing the electrode, plain CT was obtained. Then a simulated ball to predict the ablated area was created on the workstation...
February 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
Terumitsu Hasebe, Joachim Kettenbach
No abstract text is available yet for this article.
December 23, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
Mohammad Sahlabadi, Seyedvahid Khodaei, Kyle Jezler, Parsaoran Hutapea
INTRODUCTION: Most studies to date confirm that any increase in the needle insertion force increases the damage to the tissue. When it comes to brain tissue, even minor damage can cause a long-lasting traumatic brain injury. Thus there is a great demand for innovative minimally invasive needles among the medical community. In our previous studies a novel bioinspired needle design with specially designed barbs was used to perform insertion tests into Polyvinyl chloride (PVC) tissue-mimicking gels, in which it decreased the insertion force by as much as 25%...
December 22, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
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