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Minimally invasive surgery

Vincent Huberty, Evzen Machytka, Ivo Boškoski, Marie Barea, Guido Costamagna, Jacques Deviere
BACKGROUND:  Obesity is the pandemic disease of this century. Surgery is the only effective treatment but cannot be offered to every patient. Endoscopic sutured gastroplasty is a minimally invasive technique that may potentially fill the gap between surgery and behavioral therapy. In this study, we prospectively investigated the efficacy and safety of a novel suturing device. METHODS:  After a pre-bariatric multidisciplinary work-up, class 1 and 2 obese patients were included...
June 15, 2018: Endoscopy
Joseph Lamelas, Guilherme V Silva, Subhasis Chatterjee
Mitral annular calcification can pose a formidable surgical challenge in the setting of mitral valve replacement for mitral stenosis. Although there are reports of transapical valve-in-valve transcatheter mitral valve replacement in the setting of degenerated bioprosthetic mitral valve replacement, there is less experience with transcatheter mitral valve replacement for mitral annular calcification. This report describes a patient who previously received a transcatheter aortic valve replacement and then subsequently underwent a minimally invasive right thoracotomy for transcatheter mitral valve replacement with a successful result...
June 14, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
Richard C Cook, Anthony Y Fung, Edward D Percy, John R Mayo
OBJECTIVE: Robotically assisted minimally invasive direct coronary artery bypass is an alternative to sternotomy-based surgery in properly selected patients. Identifying the left anterior descending artery when it is deep in the epicardial fat can be particularly challenging through a 5- to 6-cm mini-thoracotomy incision. The objective of this study was to evaluate a technique for predicting conversion to sternotomy or complicated left anterior descending artery anastomosis using preoperative cardiac-gated computed tomography angiograms...
June 14, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
Aydin Farajidavar
Gastric peristalsis is initiated and coordinated by an underlying bioelectrical activity, termed slow waves. High-resolution (HR) mapping of the slow waves has become a fundamental tool for accurately defining electrophysiological properties in gastroenterology, including dysrhythmias in gastric disorders such as gastroparesis and functional dyspepsia. Currently, HR mapping is achieved via acquisition of slow waves taken directly from the serosa of fasted subjects undergoing invasive abdominal surgery. Recently, a minimally invasive retractable catheter and electrode has been developed for HR mapping that can only be used in short-term studies in subjects undergoing laparoscopy...
August 15, 2018: Brain Research
Rosario Maugeri, Luigi Basile, Carlo Gulì, Aurelia Banco, Giovanna Giordano, Antonella Giugno, Francesca Graziano, Roberto Giuseppe Giammalva, Domenico Gerardo Iacopino
BACKGROUND:  Lumbar spinal stenosis (LSS) is a narrowing of the spinal canal due to spinal degeneration, and its main clinical symptom is neurogenic claudication. Surgical treatment is pursued for patients who do not improve with conservative care. Patients with symptomatic LSS who also have significant medical comorbidities, although clearly in need of intervention, are unattractive candidates for traditional open lumbar decompressive procedures. Thus it is important to explore minimally invasive surgical techniques to treat select patients with LSS...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Ruichong Ma, Cheryl A Coulter, Laurent J Livermore, Natalie L Voets, Omar Al Awar, Puneet Plaha
BACKGROUND: Surgical access to the temporal lobe is complex with many eloquent white fiber tracts, requiring careful pre-operative surgical planning. Many microsurgical approaches to the temporal lobes are described, each with their own disadvantages. The adoption of the endoscope in neurosurgery has increased the options available when treating these difficult access tumors. OBJECTIVES: We present our experience of a novel, minimally-invasive, endoscopic approach to resect temporal lobe tumors...
June 11, 2018: World Neurosurgery
Kerstin Bode, Laura Ueberham, Susan Gawlik, Gerhard Hindricks, Andreas Bollmann
Aims: Ablation of atrial fibrillation (AF) is recommended in the guidelines as a Class Ia/IIa indication. However, associated complications should not be dismissed; specifically, inguinal vascular complications (IVC). Although IVCs are generally considered trivial, they represent an economic burden for the procedure-performing hospital and the patient. Therefore, the ability to monitor and ultimately minimize potential complications is of considerable interest. Methods and results: An economic model was developed to calculate the economic impact for certain IVC-types from a large German single-centre perspective in 2015 and 2016...
June 12, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Woojin Kwon, Seunguk Bang, Hyojung Soh, Won Jun Jeong, Sang Chul Lee, Byung Jo Choi
RATIONALE: Laparoscopic totally extraperitoneal (TEP) inguinal hernia repair is a rapidly evolving, minimally invasive treatment modality for inguinal hernia. Compared with open hernia repair, this method requires a smaller incision, has cosmetic advantages, and facilitates rapid recovery and early return to daily activities because of less postoperative pain. Because general anesthesia is essential for TEP hernia repair, it cannot be performed on patients who have an increased risk of developing complications when placed under general anesthesia...
June 2018: Medicine (Baltimore)
See-Wei Low, Justin Z Lee, Hem Desai, Chiu-Hsieh Hsu, Afshin R Sam, James L Knepler
BACKGROUND: Trials suggest that bronchoscopic lung volume reduction (BLVR) with endobronchial valve (EBV) implantation may produce similar effects as lung volume reduction surgery, by inducing atelectasis and reducing hyperinflation through a minimally invasive procedure. This study sought to investigate the efficacy and safety of BLVR with EBV for advanced emphysema. METHODS: We searched PubMed, EMBASE, Web of Science, CINAHL,, and Cochrane Library databases for randomized controlled trials comparing EBV implantation versus standard medical treatment or sham bronchoscopy...
June 12, 2018: Journal of Bronchology & Interventional Pulmonology
Amal Chaturvedi, Shetha A Shukair, Mayank Vijayvergia, Paul Le Rolland, Jonathan W Gunn, Hariharan Subramanian
With better surgical outcomes, quicker recovery times, decreased postoperative pain, and reduced scarring at the surgical site, the application of minimally invasive surgery (MIS) has gained a lot of prominence in the last 30 years. This change in surgical practice has taken away the ability of a surgeon to palpate for the presence of a blood vessel as would occur in an open procedure. They instead must rely on a laparoscopic video camera feed that unfortunately cannot detect the presence of a blood vessel hidden beneath tissue...
June 2018: Journal of Biomedical Optics
Samih Taktak, Patrick Jones, Ahsanul Haq, Bhavan Prasad Rai, Bhaskar K Somani
Aquablation is a minimally invasive surgical technology for benign prostate enlargement, which uses high-pressure saline to remove parenchymal tissue through a heat-free mechanism of hydrodissection. Early results show this to be a promising surgical strategy with a strong morbidity profile and reduced resection time. This review serves to provide an overview of the technique and evaluate its safety and efficacy.
June 2018: Therapeutic Advances in Urology
Bengi Balci, Gizem Kilinc, Bülent Calik, Gökhan Akbulut
Introduction: Esophageal diverticulum is a rare entity with symptoms that include dysphagia, halitosis, chest pain, and regurgitation. Indications for surgery include the presence of any of these symptoms and a diverticulum larger than 3 cm because of the increased risk of malignancy and aspiration. Treatment is open or minimally invasive surgery performed from the transhiatal or transthoracic approach. Case Description: Three patients were investigated by esophagogastroduodenoscopy, esophageal manometry, and computed tomography and were given the diagnosis of epiphrenic diverticulum of the esophagus...
April 2018: JSLS: Journal of the Society of Laparoendoscopic Surgeons
Xing-Wang Zhu, Yuan Shi, Li-Ping Shi, Ling Liu, Jiang Xue, Rangasamy Ramanathan
BACKGROUND: Invasive mechanical ventilation (IMV) is associated with the development of adverse pulmonary and non-pulmonary outcomes in very premature infants. Various modes of non-invasive respiratory support are increasingly being used to decrease the incidence of bronchopulmonary dysplasia. The aim of this trial is to compare the effect of non-invasive high-frequency oscillatory ventilation (NHFOV) and nasal continuous positive airway pressure (NCPAP) in preterm infants with respiratory distress syndrome (RDS) as a primary non-invasive ventilation support mode...
June 14, 2018: Trials
Michael Brückner
A 2-year-old Bearded Collie was referred for suspected hemoabdomen after prescrotal castration. On presentation the dog was in stable body condition and the hematocrit was within the reference range. Abdominal ultrasound revealed a moderate amount of free corpuscular fluid; therefore the dog was prepared for laparoscopic surgery. A single port access at the umbilicus was performed and insufflation with CO2 started with a pressure of 8 mmHg. Approximately one liter of blood was removed from the abdominal cavity with a suction/irrigation tube to allow inspection of the inguinal rings...
June 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
Tomoko Kawano, Hideo Shigeishi, Eri Fukada, Takamichi Yanagisawa, Nobukazu Kuroda, Toshinobu Takemoto, Masaru Sugiyama
OBJECTIVE: The objective of this study was to clarify differences in bacterial accumulation between gastrointestinal cancer patients who underwent severely invasive surgery and those who underwent minimally invasive surgery. MATERIAL AND METHODS: We performed a preliminary investigation of gastrointestinal cancer patients who were treated at the Department of Surgery, Takarazuka Municipal Hospital, from 2015 to 2017 (n=71; 42 laparoscopic surgery, 29 open surgery) to determine changes in bacterial numbers at different sites of the oral cavity (tongue dorsum, gingiva of upper anterior teeth, palatoglossal arch), as well as mouth dryness and tongue coating indices...
June 11, 2018: Journal of Applied Oral Science: Revista FOB
Stephen J Marx
Introduction: Multiple endocrine neoplasia type 1 (MEN1) is complex with regard to clinical expressions, management, and molecular pathways. Advances are being made broadly and in focused aspects. Selected topics are presented for their developments since publication of the most recent MEN1 consensus guidelines 6 years ago. Methods: Topics were selected for clinical impact or broad interest or both. For each topic, information was obtained from original reports and reviews...
April 1, 2018: Journal of Clinical Endocrinology and Metabolism
F Klevebro, C M Scandavini, S Kamiya, M Nilsson, L Lundell, I Rouvelas
Minimally invasive esophagectomy (MIE) has been introduced at many centers worldwide as evidence is accumulating that it reduces the risk of postoperative morbidity and mortality and decreases the length of hospital stay compared to conventional open esophagectomy. The study is a single institution cohort study of 366 consecutive patients treated with curative intent for cancer in the esophagus or gastroesophageal junction, comparing MIE to open surgery. The outcomes studied were peroperative bleeding, operation time, lymph node yield, complications, length of stay and overall survival...
April 20, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
Kelly Kohorst, Mias Pretorius
Mitral regurgitation is the most common valvular disease and significant (moderate/severe) mitral regurgitation is found in 2.3% of the population older than 65 years. New transcatheter minimally invasive technologies are being developed to address mitral valve disease in patients deemed too high a risk for conventional open-heart surgery. There are several features of the mitral valve (saddle-shaped noncalcified annulus with irregular leaflet geometry) that make a transcatheter approach to repair or replacing the valve more challenging compared with the aortic valve...
June 1, 2018: Seminars in Cardiothoracic and Vascular Anesthesia
Marcella Teixeira Linhares, João Pedro Scussel Feranti, Gabriela Pesamosca Coradini, Letícia Reginato Martins, Arthur Rodrigues Martins, Vanessa Zanchi Sarturi, Felipe Baldissarella Gavioli, Marco Augusto Machado Silva, Michelli Westphal de Ataíde, Luciana Gonçalves Teixeira, Maurício Veloso Brun
OBJECTIVE: To compare technical feasibility, surgical time, surgical complications, and postoperative pain in ovariectomy (OVE) by hybrid and total natural orifice transluminal endoscopic surgery (NOTES). STUDY DESIGN: Prospective randomized clinical trial. ANIMALS: Sixteen healthy and sexually intact bitches. METHODS: Dogs were randomly assigned to the hybrid NOTES group (HNG; n = 8) and the total NOTES group (TNG; n = 8) to compare surgical time, pain scores and complications...
June 13, 2018: Veterinary Surgery: VS
Qingpan Zhai, Fengxuan Han, Zhiwei He, Chen Shi, Pinghui Zhou, Caihong Zhu, Qianping Guo, Xuesong Zhu, Huilin Yang, Bin Li
Poly (methyl methacrylate) (PMMA)-based bone cements are the most commonly used injectable orthopedic materials due to their excellent injectability and mechanical properties. However, their poor biocompatibility and excessive stiffness may cause complications such as aseptic implant loosening and stress shielding. In this study, we aimed to develop a new type of partially biodegradable composite bone cement by incorporating magnesium (Mg) microspheres, known as "Mg sacrifices" (MgSs), in the PMMA matrix...
June 12, 2018: International Journal of Molecular Sciences
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