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https://www.readbyqxmd.com/read/29775392/cecal-resection-with-bipolar-sealing-devices-in-a-rat-model
#1
E Tagkalos, A Heimann, T Gaiser, D Hirsch, I Gockel, H Lang, B Jansen-Winkeln
BACKGROUND: Bipolar sealing devices are routinely used to seal blood vessels. The aim of the study is to evaluate the feasibility and safety of colonic sealing with the use of the bipolar energy devices in rats as model for experimental appendectomy. METHODS: Seventy-five male Wistar rats underwent a cecal resection with four different bipolar sealing devices or a linear stapler. The harvesting procedure was performed immediately or at postoperative day (POD) 7...
May 18, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29748826/the-invention-of-microwave-surgical-scissors-for-seamless-coagulation-and-cutting
#2
Tohru Tani, Shigeyuki Naka, Soichiro Tani, Hisanori Shiomi, Koichiro Murakami, Atsushi Yamada, Dang Tran Khiem
PURPOSE: We developed a microwave energy-based scissors device (MWCX) that is capable of performing cutting and coagulation using 2.45 GHz microwave energy. This paper aims to present the concept of the device and assess the basic functions including the hemostasis, cutting, and sealing abilities. METHODS: Seven beagle dogs were used in our experiments. In six dogs, we measured the coagulation time (CT), lateral thermal injury (LTI), bursting pressure (BP). The dogs were then subjected to re-laparotomy 1 week later to allow us to investigate the results...
May 10, 2018: Surgery Today
https://www.readbyqxmd.com/read/29725808/endovascular-aneurysm-sealing-evas-alone-or-in-combination-with-chimney-grafts-chevas-for-treating-complications-of-previous-endovascular-aneurysm-repair-evar-procedures
#3
Kosmas I Paraskevas, Maria Karouki, Adeeb Rehman, Francesco Torella, Richard G McWilliams, Andrew England, Robert K Fisher
OBJECTIVE: Late complications after previous endovascular aneurysm repair (EVAR) procedures include type I/III endoleaks causing aneurysm growth and rupture. We reviewed our results from the management of such complications with endovascular aneurysm sealing (EVAS) techniques. METHODS: Analysis of our prospectively maintained aneurysm database was performed (December 2013-May 2017). Primary outcomes were: (1) success of the procedure in excluding the primary complication, (2) perioperative mortality, (3) post-operative complications and (4) survival...
May 3, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29718038/up-in-the-air-oxygen-tolerance-in-controlled-living-radical-polymerisation
#4
REVIEW
Jonathan Yeow, Robert Chapman, Adam J Gormley, Cyrille Boyer
The requirement for deoxygenation in controlled/living radical polymerisation (CLRP) places significant limitations on its widespread implementation by necessitating the use of large reaction volumes, sealed reaction vessels as well as requiring access to specialised equipment such as a glove box and/or inert gas source. As a result, in recent years there has been intense interest in developing strategies for overcoming the effects of oxygen inhibition in CLRP and therefore remove the necessity for deoxygenation...
May 2, 2018: Chemical Society Reviews
https://www.readbyqxmd.com/read/29715062/vasculitis-and-thrombosis-due-to-the-sea-lion-lungworm-parafilaroides-decorus-in-a-guadalupe-fur-seal-arctocephalus-philippii-townsendi
#5
Mauricio Seguel, Steven Nadler, Cara Field, Padraig Duignan
A free-ranging, male, yearling Guadalupe fur seal ( Arctocephalus philippii townsendi) died due to multifocal verminous vasculitis with thrombosis and several embolic infarcts in liver, kidney, and brain. Nematodes extracted from lung blood vessels were identified as Parafilaroides decorus, a parasite normally found in alveoli of California sea lions ( Zalophus californianus).
May 1, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29713398/review-of-the-literature-laparoscopic-surgery-for-metastatic-hepatic-leiomyosarcoma-associated-with-smooth-muscle-tumor-of-uncertain-malignant-potential-case-report
#6
Keisuke Fukui, Nobuhisa Takase, Taiichiro Miyake, Koji Hisano, Eri Maeda, Tohru Nishimura, Koichiro Abe, Akihito Kozuki, Tomohiro Tanaka, Naoki Harada, Manabu Takamatsu, Kunihiko Kaneda
Metastatic hepatic leiomyosarcoma is a rare malignant smooth muscle tumor. We report a case of metastatic hepatic leiomyosarcoma associated with smooth muscle tumor of uncertain malignant potential (STUMP). A 68-year-old female presented with a liver mass (60 mm × 40 mm, Segment 4). She underwent left salpingo-oophorectomy for an ovary tumor with STUMP in a broad ligament 6 years ago. Though FDG-PET showed obvious metabolically active foci, abnormal metabolically active foci other than the lesion were not detected...
April 27, 2018: World Journal of Hepatology
https://www.readbyqxmd.com/read/29707883/evaluation-of-selected-skin-parameters-following-the-application-of-5-vitamin-c-concentrate
#7
Anna Jaros, Malwina Zasada, Elżbieta Budzisz, Renata Dębowska, Monika Gębczyńska-Rzepka, Helena Rotsztejn
BACKGROUND: Ascorbic acid is a substance with confirmed anti-free-radical properties. It triggers the collagen synthesis, has a depigmenting effect and seals blood vessels. All these properties have a significant effect of the skin's appearance. The characteristic traits of capillary skin include telangiectasias as well as erythema, which might consolidate in the future, along with the feeling of burning and increased skin sensitivity. OBJECTIVES: Study and evaluation of selected parameters of capillary skin after the application of 5% vitamin C concentrate throughout the period of 6 weeks with the use of instrumental tests and questionnaires...
April 30, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29706868/the-blood-brain-barrier-and-the-ephr-ephrin-system-perspectives-on-a-link-between-neurovascular-and-neuropsychiatric-disorders
#8
REVIEW
Victoria A Malik, Barbara Di Benedetto
Interactions among endothelial cells (EC) forming blood vessels and their surrounding cell types are essential to establish the blood-brain barrier (BBB), an integral part of the neurovascular unit (NVU). Research on the NVU has recently seen a renaissance to especially understand the neurobiology of vascular and brain pathologies and their frequently occurring comorbidities. Diverse signaling molecules activated in the near proximity of blood vessels trigger paracellular pathways which regulate the formation and stabilization of tight junctions (TJ) between EC and thereby influence BBB permeability...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29706473/procedural-and-perioperative-results-in-patients-treated-with-fenestrated-endovascular-aneurysm-repair-planned-by-automated-software-in-a-physician-sponsored-investigational-device-exemption-trial-of-physician-modified-endografts
#9
Benjamin W Starnes, Billi Tatum, Niten Singh
OBJECTIVE: Fenestrated endovascular aneurysm repair (FEVAR) has been used successfully to treat patients with juxtarenal abdominal aortic aneurysms (JAAAs). Barriers to wide adoption of FEVAR include complexity in planning of fenestration locations on endografts. The purpose of this study was to validate the use of automated planning software to design fenestrated endografts and to treat patients with complex abdominal aortic aneurysms. METHODS: Patients with JAAA who were not candidates for open repair were enrolled into the automated planning arm of an ongoing investigational device exemption clinical trial and treated with FEVAR...
April 26, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29705060/the-use-of-vessel-sealing-devices-during-vaginal-hysterectomy
#10
Emily R W Davidson, Rosanne Kho
STUDY OBJECTIVE: To demonstrate the proper use of vessel sealing devices during vaginal hysterectomy DESIGN: An educational video reviewing the principles of vessel sealing devices and techniques for appropriate use SETTING: A university hospital; Cleveland Clinic Foundation, Cleveland, Ohio INTERVENTION: The video reviews the principles on the use of energy in minimally-invasive surgery. We focus on how vessel sealing devices function and the benefits of their use in difficult vaginal hysterectomy...
April 26, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29702268/vascular-entrapment-of-both-the-sciatic-and-pudendal-nerve-causing-persistent-sciatica-and-pudendal-neuralgia
#11
Ahmet Kale, Gulfem Basol, Taner Usta, Isa Cam
STUDY OBJECTIVE: To demonstrate the laparoscopic approach to malformed branches of the vessels entrapping the nerves of the sacral plexus. DESIGN: A step-by-step explanation of the surgery using video (instructive video). The Ethics Committee ruled that approval was not required for this video. SETTING: Derince Education and Research Hospital, Turkey PATIENT: : The 26-year-old patient who had failed the medical therapy, complained about numbness and burning pain on the right side of the vagina and pain radiating to the lower limb for approximately 36 months period...
April 24, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29644285/initial-experience-with-the-treatment-of-concomitant-aortic-pseudoaneurysm-and-thoracolumbar-spinal-fracture-case-report
#12
Viktor Zsolt Kovari, Ferenc Pecsi, Mate Cs Janvari, Robert Veres
One blunt abdominal aortic disruption (BAAD) and one blunt thoracic aortic injury (BTAI) case are presented. Both aortic injuries were combined with spinal fractures. In the BAAD case the aortic pseudoaneurysm manifested just above the lumbar fracture while in the BTAI case the aortic injury appeared several vertebras below the thoracal fracture site, suggesting different mechanisms in the aortic wall damage. In both cases the aortic wall first was sealed, successfully, by endovascularly-placed stents, meaning the risks of open aortic reconstructive surgery could be avoided...
December 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29643327/comparison-of-effects-of-vessel-sealing-devices-and-conventional-hemorrhoidectomy-on-postoperative-pain-and-quality-of-life
#13
Murat Kendirci, İbrahim Tayfun Şahiner, Yeliz Şahiner, Güven Güney
BACKGROUND The aim of this study was to investigate the early and late results of use of LigaSure, Harmonic Scalpel, and conventional hemorrhoidectomy in hemorrhoidectomy, to determine the least painful method, and to investigate the relationship between pain perception and personal differences in hemorrhoid bundles. MATERIAL AND METHODS Ninety patients undergoing hemorrhoidectomy between 2014 and 2017 were retrospectively evaluated. We investigated the duration of hospitalization and the presence of bleeding, incontinence, perianal wetness, urinary retention, stenosis, and recurrence during follow-up after surgery...
April 12, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29581627/vaginal-hysterectomy-using-the-erbe-biclamp-%C3%A2-bipolar-vessel-sealing-system-a-case-series
#14
Gillian V Blayney, James P Beirne, Lynsey Hinds, Declan Quinn, Gary J Dorman
The ERBE BiClamp® BVSS appears to be a safe and effective method of vaginal hysterectomy in this small single surgeon, single institution study; demonstrating efficient operative times, minimal blood loss and intraoperative morbidity with acceptable surgical outcomes. Its use contributes to the advancement of minimally invasive gynaecology and should be encouraged.
September 2017: Ulster Medical Journal
https://www.readbyqxmd.com/read/29566156/the-differences-in-histological-changes-among-pulmonary-vessels-divided-with-an-energy-device
#15
Tomoharu Yoshiya, Takahiro Mimae, Norifumi Tsubokawa, Shinsuke Sasada, Yasuhiro Tsutani, Kei Kushitani, Yukio Takeshima, Yoshihiro Miyata, Morihito Okada
OBJECTIVES: Histological changes after division of the pulmonary artery (PA) and the pulmonary vein (PV) using a vessel-sealing device are not fully understood. The goal of the present study was to clarify histologically and immunohistochemically how division with the device affects the wall layers of the pulmonary vasculature. METHODS: This prospective cohort study analysed outcomes of 20 patients who underwent anatomical lung resection. After a single proximal ligation, the PA and the PV (diameter 2-7 mm) were divided using a LigaSure Blunt Tip (LSB)...
March 16, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29560297/harmonic-scalpel-assisted-laparoscopic-cholecystectomy-vs-conventional-laparoscopic-cholecystectomy-a-non-randomized-control-trial
#16
Kumar Rajnish, Sathasivam Sureshkumar, Manwar S Ali, Chellappa Vijayakumar, Sundaramurthi Sudharsanan, Chinnakali Palanivel
Introduction Laparoscopic cholecystectomy (LC) is the most commonly done, minimally invasive surgical procedure. Routinely used electrocautery produces more smoke, which masks the operating field, thereby prolongs the surgery and posing an increased risk of gallbladder (GB) perforation. The titanium clips used for clipping the cystic artery and cystic duct have a risk of slippage, which may lead to bleeding, and an increased risk for bile leakage. In addition, it may act as a nidus for stone formation. Advanced energy sources, such as the harmonic scalpel, though expensive, may provide the advantage of shorter operating time by reducing smoke, bloodless dissection in the GB bed, lower risk of bleeding from the cystic artery due to secure vessel sealing, and avoiding the use of a larger number of titanium clips...
January 18, 2018: Curēus
https://www.readbyqxmd.com/read/29509942/in-situ-embolism-induction-reveals-vessel-refilling-in-a-natural-aspen-stand
#17
David M Love, John S Sperry
Little is known about the ability of trees to recover hydraulic conductance (k) within a growing season by regrowth or refilling of embolized conduits. Recovery of k lost to drought or other causes would prevent chronic reductions in gas exchange and productivity. To test recovery ability we conducted a 2-year experiment (2014-15) on a cohort of aspen ramets (Populus tremuloides, Michx.). Whole-tree k was measured from mid-June through September from sapflow (Q) and pre-dawn and mid-day xylem pressure. We induced embolism in the treatment group with high air pressure delivered by a split pressure chamber sealed around the main trunk...
March 2, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29503260/hysterectomy-by-vaginal-assisted-natural-orifice-transluminal-endoscopic-surgery-initial-experience-with-twelve-cases
#18
Cihan Kaya, İsmail Alay, Murat Ekin, Levent Yaşar
OBJECTIVE: To declare our initial experience on hysterectomy cases performed using vaginally-assisted natural orifice transluminal endoscopic surgery. MATERIAL AND METHODS: The study was conducted with data from 12 patients in our department who were recommended for hysterectomies for various indications between January 2017 and May 2017. The following data were collected retrospectively: age, body mass index (BMI), parity, previous abdominal or pelvic surgery, total operating time, preoperative hemoglobin (Hb), postoperative Hb, peri-operative complications and Visual Analogue Scale scores for evaluating postoperative pain...
March 1, 2018: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/29503255/impact-of-energy-devices-on-the-post-operative-systemic-immune-response-in-women-undergoing-total-laparoscopic-hysterectomy-for-benign-disease-of-the-uterus
#19
Kallol Kumar Roy, Netra Gc, Seema Singhal, Juhi Bharti, Sunesh Kumar, Dipendra K Mitra, Ruma Ray, Jyoti Meena, Perumal Vanamail
OBJECTIVE: Laparoscopic surgery is associated with reduced surgical stress response, lesser post- operative immune function, and consequent early recovery compared with conventional open surgery. There is a lack of evidence regarding the inflammatory stress response with the use of different energy devices. The present study was conducted to evaluate and compare the inflammatory response in total laparoscopic hysterectomy (TLH) using three different energy devices. MATERIAL AND METHODS: A prospective randomized controlled study was conducted in 60 women with abnormal uterine bleeding undergoing TLH...
March 1, 2018: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/29494652/electrothermal-bipolar-vessel-sealing-device-ligasure%C3%A2-versus-conventional-diathermy-in-laparoscopic-myomectomy-a-propensity-matched-analysis
#20
Yi-Chieh Li, Angel Chao, Lan-Yang Yang, Hui-Yu Huang, Yi-Ting Huang, Hsin-Hong Kuo, Chin-Jung Wang
The purpose of this study was to compare the safety and efficacy of an electrothermal bipolar vessel sealing device (LigaSure™) and traditional electrical cauterization in laparoscopic myomectomy (LM). A total of 756 patients with symptomatic uterine myomas who underwent LM were reviewed retrospectively. A total of 225 cases of LM using LigaSure™ (LML group) were compared with a control group treated with traditional electrical cauterization (LME group) under propensity-matched analysis. Outcome measures for both groups were compared, such as operative time, blood loss (BL), complications, need for blood transfusion, hospital expenses, and hospital stay...
2018: PloS One
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