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Vessel sealing

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
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
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
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
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
Sungho Kim, Yoo-Seok Yoon, Ho-Seong Han, Jai Young Cho, YoungRok Choi, In Gun Hyun, Kil Hwan Kim
BACKGROUND: We have recently performed a blunt dissection technique using LigaSure technology for laparoscopic spleen- and splenic-vessel-preserving distal pancreatectomy to reduce the risk of bleeding during the dissection of the splenic vessels. The aim of this study was to compare the utility of the blunt dissection technique and a conventional dissection technique during laparoscopic spleen- and splenic-vessel-preserving distal pancreatectomy. METHODS: Fifty-five patients who underwent laparoscopic spleen- and splenic-vessel-preserving distal pancreatectomy performed by a single surgeon between March 2003 and December 2015 were enrolled in this retrospective single-center study...
February 27, 2018: Surgical Endoscopy
Giuseppe Vizzielli, Carmine Conte, Massimo Romano, Anna Fagotti, Barbara Costantini, Claudio Lodoli, Salvatore Gueli Alletti, Khaled Gaballah, Fabio Pacelli, Alfredo Ercoli, Giovanni Scambia, Valerio Gallotta
AIM: To evaluate the clinical impact of the use of the Caiman® articulating energy device in advanced ovarian cancer (AOC) including rectosigmoid resection [e.g. modified posterior exenteration (MPE)]. PATIENTS AND METHODS: This was a prospective single-institution observational study with women undergoing MPE where all soft-tissue dissections and vessel ligations were performed using the Caiman® device. Intraoperative and postoperative surgical data were collected...
March 2018: In Vivo
Zhamshid Okhunov, Renai Yoon, Achim Lusch, Kyle Spradling, Melissa Suarez, Kamaljot S Kaler, Roshan Patel, Christina Hwang, Kathryn E Osann, Jiaoti Huang, Thomas K Lee, Jaime Landman
INTRODUCTION: We evaluated and compared 5 currently available energy-based vessel sealing devices (VSD) to assess typical surgical metrics. METHODS: We tested the Caiman 5(C5), Harmonic Scalpel Ace Plus (HA), Harmonic Ace +7 (HA7), LigaSure (LS) and Enseal G2 (ES) on small (2-5mm), medium (5.1-7mm) and large (7.1-9mm) vessels were obtained from 16 Yorkshire pigs. Vessels were randomly sealed and transected. We recorded sealing and transection time, charring and carbonization, thermal spread and bursting pressures (BP)...
February 20, 2018: Journal of Endourology
Emily Harris, Courtney J Warner, Jeffrey C Hnath, Yaron Sternbach, R Clement Darling
BACKGROUND: As endovascular therapy becomes increasingly complex, adjunct techniques such as upper extremity arterial access facilitate visceral branch interventions. The purpose of this study was to assess the viability of axillary artery percutaneous access in endovascular repair. METHODS: Records of all patients undergoing axillary artery percutaneous access as part of an endovascular intervention from December 2015 to December 2016 were examined. Demographics of the patients (age, sex, medical comorbidities, smoking status, and anticoagulation) were documented...
February 1, 2018: Journal of Vascular Surgery
James R Krycer, Ciana Diskin, Marin E Nelson, Xiao-Yi Zeng, Daniel J Fazakerley, David E James
Research into cellular metabolism has become more high-throughput, with typical cell-culture experiments being performed in multiwell plates (microplates). This format presents a challenge when trying to collect gaseous products, such as carbon dioxide (CO2), which requires a sealed environment and a vessel separate from the biological sample. To address this limitation, we developed a gas trapping protocol using perforated plastic lids in sealed cell-culture multiwell plates. We used this trap design to measure CO2 production from glucose and fatty acid metabolism, as well as hydrogen sulfide production from cysteine-treated cells...
January 1, 2018: BioTechniques
Sherisse A Sakals, Clarence A Rawlings, Jamie Laity, Erik H Hofmeister, MaryAnn G Radlinsky
OBJECTIVE: To describe a laparoscopically assisted ovariectomy (LAO) technique in the cat with a bipolar vessel sealing device (BVSD) or suture ligation and to compare the outcomes to open ovariohysterectomy (OO). STUDY DESIGN: Randomized prospective study ANIMALS: Healthy, adult, sexually intact female cats (n = 30). METHODS: Ten cats were assigned to each group: LAO with BVSD (group A), LAO with ligation (group B), and OO with ligation (group C)...
January 27, 2018: Veterinary Surgery: VS
Sabin J Bozso, Abigail White, Jeevan Nagendran, Michael C Moon, Michael W A Chu
Novel endovascular techniques hope to offer patients aortic arch repair with reduced morbidity compared to conventional arch surgery; however, current endovascular strategies remain challenged by the proximal seal zone, higher stroke rates, long-term durability and select anatomy. Hybrid arch repair offers patients a less invasive alternative that can treat more distal aorta than conventional arch repair yet still be performed via standard sternotomy. Areas covered: This review will discuss the current evidence and future development of hybrid aortic arch and frozen elephant trunk reconstruction...
January 29, 2018: Expert Review of Cardiovascular Therapy
Emiliano Chisci, Gianmarco de Donato, Aaron Fargion, Giorgio Ventoruzzo, Gianbattista Parlani, Carlo Setacci, Leonardo Ercolini, Stefano Michelagnoli
OBJECTIVE: The objective of this study was to report the methodology and 1-year experience of a regional service model of teleconsultation for planning and treatment of complex thoracoabdominal aortic disease (TAAD). METHODS: Complex TAADs without a feasible conventional surgical repair were prospectively evaluated by vascular surgeons of the same public health service (National Health System) located in a huge area of 22,994 km2 with 3.7 million inhabitants and 11 tertiary hospitals...
January 11, 2018: Journal of Vascular Surgery
Song Chen, Haizhou Liu, Shuqi Liu, Pingping Wang, Songshan Zeng, Luyi Sun, Lan Liu
Ionic liquids (ILs) are regarded as ideal components in the next generation of strain sensors because their ultralow modulus can commendably circumvent or manage the mechanical mismatch in traditional strain sensors. In addition to strain sensors, stretchable conductors with strain-insensitive conductance are also indispensable in artificial systems for connecting and transporting electrons, similar to the function of blood vessels in the human body. In this work, two types of ILs-based conductive fibers were fabricated by developing hollow fibers with specific micro-scale channels which were then filled with ILs...
January 10, 2018: ACS Applied Materials & Interfaces
Akif Enes Arıkan, Serkan Teksöz, İsmail Ahmet Bilgin, Özge Tarhan, Ateş Özyeğin
Although vocal cord paralysis (VCP) following thyroidectomy is primarily associated with surgical trauma, it is not the sole etiology. Vocal cord paralysis following thyroidectomy can be caused by a vocal cord hematoma with an incidence of 1.4% due to direct injury during orotracheal intubation. In this article, we present a case of VCP caused by vocal cord hematoma. A 32-year-old male patient who has been receiving propylthiouracil treatment for toxic multinodular goiter since 10 years was admitted to our hospital to be operated because of persisting complaints...
2017: Turkish Journal of Surgery
G Tirelli, G C Del Piero, G Valentinuz, A Monte, A Gatto, A Rebelli, E Quatela
OBJECTIVES: To evaluate the clinical efficacy and cost-effectiveness of ultrasonic shears and the electrothermal bipolar vessel sealing system, in comparison to the traditional cold knife and bipolar forceps, in oral and oropharyngeal cancer surgery. METHODS: Patients who underwent oral or oropharyngeal cancer resection and neck dissection with either ultrasonic shears (n = 36) or electrothermal bipolar vessel sealing (n = 32) were enrolled. Surgical time, intra-operative bleeding, blood drainage, post-operative pain, neck oedema, complications and hospitalisation duration were compared to those of an historical cohort of 36 patients treated using a cold knife and bipolar forceps...
December 18, 2017: Journal of Laryngology and Otology
Luca Garriboli, Antonio Maria Jannello
PURPOSE: To describe the application of uncovered chimney stent grafts with the Nellix endovascular aneurysm sealing technique (ChEVAS) for juxtarenal abdominal aortic aneurysms (JAAAs). CASE REPORT: Two patients with JAAA and multiple comorbidities were considered unfit for open surgery and were selected for an endovascular approach. Fenestrated and branched endografts were too expensive, and a chimney endovascular approach was considered inappropriate for the relatively high incidence of proximal type I endoleak and graft migration...
February 2018: Vascular and Endovascular Surgery
Glenn Wei Leong Tan, Lawrence Quek, Bien Peng Tan, Uei Pua
PURPOSE: Thoracic endovascular aortic repair (TEVAR) is the preferred treatment of descending thoracic aorta pathology. However, TEVAR in the aortic arch remains challenging. Customized fenestrated TEVAR (fTEVAR) allows extension of the proximal seal zone, while preserving the involved supra-aortic vessels. There is a paucity of information on fTEVAR; hence, we aim to evaluate our early experience and lessons learnt with fTEVAR in the aortic arch. METHODS: This is a retrospective single-centre review of fTEVAR endografts for aortic arch pathology over 24 months...
December 13, 2017: Cardiovascular and Interventional Radiology
A Singh, M Wyatt, M Clarke, L Wales
Introduction: BioGlue (CryoLife Inc., Kennesaw, GA) is a commonly used surgical adhesive, designed to achieve haemostasis following large vessel cardiovascular operations. Report: An 88-year-old female presents with an enlarging right sided neck mass 9 months after carotid endarterectomy with bovine pericardial patch repair which utilised BioGlue seal the patch suture line. Conclusion: BioGlue should be used properly and with caution. In cases of late wound complication following BioGlue use, simple drainage, debridement, and removal of BioGlue remnants may be a satisfactory approach...
2017: EJVES Short Reports
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