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Laser vein ablation

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https://www.readbyqxmd.com/read/29436052/a-randomized-trial-to-compare-the-acute-reconnection-after-pulmonary-vein-isolation-with-laser-balloon-vs-radiofrequency-ablation-ratisbona-trial
#1
Ekrem Ücer, Yvette Janeczko, Joachim Seegers, Sabine Fredersdorf, Selina Friemel, Florian Poschenrieder, Lars Siegfried Maier, Carsten Gerald Jungbauer
INTRODUCTION: Dormant conduction and acute reconnection in the pulmonary veins (PV) during a PV isolation can be detected by performing an adenosine provocation test (APT). Visually guided laser balloon ablation (VGLB) creates deep transmural lesions, thus causing less acute reconnection. This study compared the acute PV reconnection rate after isolation with VGLB or with RF using an APT. METHODS AND RESULTS: Patients with paroxysmal AF were randomized to PVI with the VGLB or RF ablation...
February 13, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29434428/evaluation-of-endovenous-laser-ablation-for-varicose-veins-using-a-computer-simulation-model-secondary-publication
#2
REVIEW
Hisanao Hazama, Masato Yoshimori, Norihiro Honda, Kunio Awazu
Background and aims: Endovenous laser ablation (EVLA) has been well-reported as a minimally invasive method to deal with varices of the lower extremities. The lasers used fall into two categories: pigment, i.e., hemoglobin-specific lasers in the visible and near-infrared (near-IR) wavebands and longer wavelength mid-infrared lasers where the chromophore is water. The fiber used to deliver the laser energy is also important, and not enough attention has been paid to this element of EVLA...
December 31, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29421546/one-pot-synthesis-of-albumin-gadolinium-stabilized-polypyrrole-nanotheranostic-agent-for-magnetic-resonance-imaging-guided-photothermal-therapy
#3
Zhe Yang, Wenshan He, Hongyi Zheng, Jielin Wei, Pei Liu, Wei Zhu, Leping Lin, Li Zhang, Changfeng Yi, Zushun Xu, Jinghua Ren
Theranostic agents with perfect properties are needed urgently for the development of imaging guided photothermal therapy (PTT). In this work, Gd-integrated polypyrrole nanotheranostic agent (PPy@BSA-Gd) was successfully built through selecting bovine serum albumin (BSA) as both stabilizers for polymerization and biomimetic mineralization in "one pot". The obtained PPy@BSA-Gd possessed high stability and excellent photothermal property. Besides, relevant cellular assays indicated that PPy@BSA-Gd had fantastic cytocompatibility which could be further internalized by cancer cells...
January 19, 2018: Biomaterials
https://www.readbyqxmd.com/read/29421005/systematic-review-and-meta-analysis-of-endovascular-and-surgical-revascularization-for-patients-with-chronic-lower-extremity-venous-insufficiency-and-varicose-veins
#4
Sreekanth Vemulapalli, Kishan Parikh, Remy Coeytaux, Victor Hasselblad, Amanda McBroom, Abigail Johnston, Giselle Raitz, Matthew J Crowley, Kathryn R Lallinger, W Schuyler Jones, Gillian D Sanders
BACKGROUND: Chronic lower extremity venous disease (LECVD) is twice as prevalent as coronary heart disease, and invasive therapies to treat LECVD accounted for an estimated $290 million in Medicare expenditures in 2015. Despite increasing use of these invasive therapies, their comparative effectiveness is unknown. METHODS: We conducted a systematic review and meta-analysis of treatments for patients (symptomatic and asymptomatic) with lower extremity varicosities and/or lower extremity chronic venous insufficiency/incompetence/reflux...
February 2018: American Heart Journal
https://www.readbyqxmd.com/read/29412185/day-surgery-versus-outpatient-setting-for-endovenous-laser-ablation-treatment-a-prospective-cohort-study
#5
Gianfranco Varetto, Lorenzo Gibello, Edoardo Frola, Alessandra Trevisan, Andrea Trucco, Luigi Contessa, Pietro Rispoli
OBJECTIVES: The traditional surgical approach to the treatment of the superficial venous insufficiency requires at least 12 h of post-operative monitoring and this often means the necessity of an overnight hospitalization. The introduction of new, less invasive techniques (i.e endovenous laser ablation) reduces the hospitalization stay in a Day Surgery setting. However, the increasing skills of the operators and the patient's selection, allows to propose endovenous laser ablation in an Outpatient setting...
February 2, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29326812/endovascular-laser-treatment-of-incompetent-saphenous-veins-using-the-1470-nm-diode-laser-and-radial-fiber
#6
Georgios Vourliotakis, Georgios Sahsamanis, Paschalis Evagelidis, Christina Aivatidi
Objectives: To assess the technical success, complications, and patients' quality of life (QoL) after treatment of chronic venous disease (CVD) using the 1470 nm radial fiber laser. Methods: A total of 170 patients with chronic venous disease, classified as C2 to C4 according to CEAP classification, were treated for incompetent greater (GSV) and small (SSV) saphenous veins, using the 1470 nm radial fiber laser and application of tumescent anesthesia. Additional phlebectomies were performed through stab microincisions, while 11 patients further underwent sclerotherapy intraoperatively...
January 2018: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29285621/five-year-clinical-outcomes-of-visually-guided-laser-balloon-pulmonary-vein-isolation-for-the-treatment-of-paroxysmal-atrial-fibrillation
#7
Bruno Reissmann, Thorsten Budelmann, Erik Wissner, Michael Schlüter, Christian-Hendrik Heeger, Shibu Mathew, Tilman Maurer, Christine Lemes, Thomas Fink, Andreas Rillig, Francesco Santoro, Johannes Riedl, Feifan Ouyang, Karl-Heinz Kuck, Andreas Metzner
BACKGROUND: Visually guided laser balloon (VGLB) ablation allows for pulmonary vein isolation (PVI) under direct endoscopic control. Short- and midterm clinical outcomes are in accordance with results of radiofrequency current (RFC) ablation for the treatment of paroxysmal atrial fibrillation (PAF). OBJECTIVE: The current study sought to assess the long-term clinical outcomes of VGLB-based PVI for PAF. METHODS: A total of 90 patients [60 ± 10 years; 33 (37%) female, left atrial diameter 42 ± 4 mm] with drug-refractory PAF underwent VGLB ablation...
December 28, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29248107/prospective-comparative-cohort-study-evaluating-incompetent-great-saphenous-vein-closure-using-radiofrequency-powered-segmental-ablation-or-1470-nm-endovenous-laser-ablation-with-radial-tip-fibers-varico-2-study
#8
James A Lawson, Stefanie A Gauw, Clarissa J van Vlijmen, Pascal Pronk, Menno T W Gaastra, Marco J Tangelder, Michael C Mooij
BACKGROUND: Endovenous laser ablation (EVLA) and radiofrequency-powered segmental ablation (RPSA) of the incompetent great saphenous vein (GSV) are both known for their excellent technical and clinical outcomes for the treatment of varicose veins. RPSA has reduced postprocedural pain and morbidity with shorter recovery time for the patient compared with EVLA using bare-tip fibers. However, new-generation EVLA devices with less traumatic radial-tip fibers (RTFs) operating at longer wavelengths up to 1470 nm also reduce postprocedural pain...
January 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29248106/clinical-correlation-of-success-and-acute-thrombotic-complications-of-lower-extremity-endovenous-thermal-ablation
#9
Afsha Aurshina, Enrico Ascher, Jesse Victory, Dmitriy Rybitskiy, Anjeza Zholanji, Natalie Marks, Anil Hingorani
OBJECTIVE: Endovenous thermal ablation has become the primary modality of treatment for patients with venous insufficiency. Previous literature has provided reviews of radiofrequency ablation (RFA) or endovenous laser ablation (EVLA) that mostly focus on the great saphenous vein (GSV) and small saphenous vein (SSV). Data with an extended review including the anterior accessory saphenous vein (ASV) and perforator veins (PVs) have been limited. This study examines the treatment of venous insufficiency with RFA and EVLA of these multiple veins to identify clinical and demographic predictors of both the early success and thrombotic complications of endovenous thermal ablation...
January 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29217521/laser-balloon-or-wide-area-circumferential-irrigated-radiofrequency-ablation-for-persistent-atrial-fibrillation-a-multicenter-prospective-randomized-study
#10
RANDOMIZED CONTROLLED TRIAL
Boris Schmidt, Petr Neuzil, Armin Luik, Joaquin Osca Asensi, Jan Wilko Schrickel, Thomas Deneke, Stefano Bordignon, Jan Petru, Matthias Merkel, Lucie Sediva, Annemarie Klostermann, Laura Perrotta, Oscar Cano, K R Julian Chun
BACKGROUND: Pulmonary vein isolation is the cornerstone of ablation for persistent atrial fibrillation (AF). The role of balloon catheters in this patient population remains ill defined. We sought to compare efficacy and safety of the laser balloon (LB) with wide-area circumferential pulmonary vein isolation using irrigated radiofrequency current (RF) ablation and 3-dimensional mapping. METHODS AND RESULTS: In 6 European centers, patients with persistent AF were prospectively randomized...
December 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29173075/evaluation-of-plasma-growth-factors-vegf-pdgf-egf-ang1-and-ang2-in-patients-with-varicose-veins-before-and-after-treatment-with-endovenous-laser-ablation
#11
Nabil A Al-Zoubi, Rami J Yaghan, Tagleb S Mazahreh, Emad M Hijazi, Ahmad Alqudah, Yasmin N Owaisy, Shadi Hamouri, Nawaf J Al-Shatnawi
OBJECTIVE: To measure pre- and postoperative plasma concentrations of growth factors (VEGF, PDGF, EGF, ANG1, and ANG2) in patients with primary lower limb varicose veins (VVs) treated with endovenous laser ablation (EVLA). BACKGROUND: Many studies have explored the potential relationship between primary VVs and growth factors. No previous studies were done for patients treated with EVLA. MATERIALS AND METHODS: Blood samples were obtained from 30 patients with primary VVs undergoing treatment with EVLA before and 1 week after treatment...
November 27, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29097173/effect-of-tumescent-anesthesia-and-patient-positioning-on-laser-tip-junctional-distance-during-endovenous-laser-ablation
#12
Julien Al Shakarchi, Mark Kay, Smilen Kuyumdzhiev, Vasileios Psarros, Radu Rogoveanu, Rajiv Vohra
BACKGROUND: The correct positioning of the laser tip at the saphenofemoral or saphenopopliteal junction during endovenous laser therapy is paramount to ensure a safe and effective procedure. The aim of this study was to demonstrate how patient positioning and tumescence infiltration can affect this safe junctional distance. METHODS: A retrospective review of a prospectively maintained database was carried out for all patients who received endovenous laser treatment for symptomatic varicose veins between February 2008 and February 2014 in one surgeon's practice in a teaching hospital vascular unit...
October 30, 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29037351/rivaroxaban-versus-fondaparinux-for-thromboprophylaxis-after-endovenous-laser-ablation
#13
Hong H Keo, Frederic Baumann, Nicolas Diehm, Christian Regli, Daniel Staub
OBJECTIVE: Endovenous heat-induced thrombosis (EHIT) and deep venous thrombosis (DVT) are well-known complications after superficial endovenous thermoablation. We investigated the efficacy of rivaroxaban in preventing EHIT and DVT after endovenous laser ablation (EVLA). METHODS: We retrospectively analyzed a consecutive series of patients presenting with truncal varicosis class C2 to C6 undergoing EVLA. After EVLA, all patients received oral rivaroxaban (10 mg) or subcutaneous fondaparinux (2...
November 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29034283/endovenous-laser-ablation-of-spermatic-vein-for-the-treatment-of-varicocele
#14
Antonio Basile, Alessandro Motta, Giovanni Failla, Giuseppe Caltabiano, Marco Pizzarelli, Cecilia Gozzo, Davide Castiglione, Stefano Palmucci
INTRODUCTION: Varicocele is a relatively complex pathology of the scrotum veins', known to be one of the easiest to treat. Modern treatment involves both surgical (open, laparoscopic and microsurgery) and interventional approach (either with coils and/or sclerosant injection). Our aim is to demonstrate the feasibility and the reliability of endovenous laser ablation (EVLA) of the spermatic vein for the treatment of varicocele. MATERIALS AND METHODS: We consecutively and prospectively treated 11 patients (age range 24-45 years old, mean 31y) with left varicocele, phlebografically classified as Bahren type I and with indication for percutaneous treatment...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/29033337/five-year-results-of-great-saphenous-vein-treatment-a-meta-analysis
#15
REVIEW
Sterre A S Hamann, Jenny Giang, Marianne G R De Maeseneer, Tamar E C Nijsten, Renate R van den Bos
OBJECTIVES: The most frequently used treatment options for great saphenous vein incompetence are high ligation with stripping (HL+S), endovenous thermal ablation (EVTA), mainly consisting of endovenous laser ablation (EVLA) or radiofrequency ablation, and ultrasound guided foam sclerotherapy (UGFS). The objective of this systematic review and meta-analysis was to compare the long-term efficacy of these different treatment modalities. METHODS: A systematic literature search was performed...
October 12, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29024882/quantitative-mapping-of-elements-in-basil-leaves-ocimum-basilicum-based-on-cesium-concentration-and-growth-period-using-laser-ablation-icp-ms
#16
Jung Aa Ko, Naoki Furuta, Heung Bin Lim
Quantitative elemental mapping of metallic pollutants in sweet basil was studied by laser ablation (LA)-ICP-MS. For this, the sweet basil was cultivated in Hoagland nutrient solution spiked with 100 and 1000 ng mL(-1) of Cs for 10-60 days. Then, the Cs distribution in collected leaves was determined by LA-ICP-MS using lab-synthesized standard pellets based on NIST 1573a tomato leaves. For comparison, S, Ca, and K were also simultaneously determined in this measurement with a(13)C(+) signal from the leaves as an internal standard...
October 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/29019582/ultrasound-guided-foam-sclerotherapy-for-severe-chronic-venous-insufficiency
#17
Guilherme Camargo Gonçalves de-Abreu, Otacílio de Camargo, Márcia Fayad Marcondes de-Abreu, José Luís Braga de-Aquino
Chronic venous insufficiency is characterized by cutaneous alterations caused by venous hypertension; in severe forms, it progresses to lower limb ulcers. Lower limb varicose veins are the main cause of chronic venous insufficiency, and the classic treatment includes surgery and compressive therapy. Minimally invasive alternative treatments for varicose veins include new techniques such as venous thermal ablation using laser or radiofrequency. The use of different methods depends on clinical and anatomical factors...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28976394/-approach-to-venous-diseases-in-the-elderly
#18
Ahmet Kürşat Bozkurt, Ozan Onur Balkanay
Incidence and severity of both deep vein thrombosis and chronic venous insufficiency are increased with age. Today, however, the significance of these diseases in the elderly patient population are still poorly comprehended. Although most patients have a history of previous treatment, chronic venous insufficiency is usually encountered in the advanced clinical stage. As a result, there is an increase in mobility restrictions, the need for assistance in daily activities and the risk of falls in elderly patients...
September 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28956693/a-description-of-the-smile-sign-and-multi-pass-technique-for-endovenous-laser-ablation-of-large-diameter-great-saphenous-veins
#19
Emma B Dabbs, Laurensius E Mainsiouw, Judith M Holdstock, Barrie A Price, Mark S Whiteley
Aims To report on great saphenous vein diameter distribution of patients undergoing endovenous laser ablation for lower limb varicose veins and the ablation technique for large diameter veins. Methods We collected retrospective data of 1929 (943 left leg and 986 right leg) clinically incompetent great saphenous vein diameters treated with endovenous laser ablation over five years and six months. The technical success of procedure, complications and occlusion rate at short-term follow-up are reported. Upon compression, larger diameter veins may constrict asymmetrically rather than concentrically around the laser fibre (the 'smile sign'), requiring multiple passes of the laser into each dilated segment to achieve complete ablation...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28932398/mid-calf-level-as-a-puncture-site-is-not-safe-enough-for-thermal-ablation-of-the-small-saphenous-vein
#20
Soner Sanioglu, Halit Yerebakan, Ali Ozgen, Huseyin O Ozdemir, Nurcan K Sancar, Mustafa B Farsak
BACKGROUND: Endovenous thermal ablation of the small saphenous vein carries a risk for sural nerve injury. Ablation above mid-calf level is recommended to avoid it. However, this strategy could not eradicate this complication. We present our results of consecutive 30 small saphenous vein thermal ablations which are performed after ultrasonographic identification of the sural nerve. METHODS: We studied 26 consecutive subjects with a total of 30 limbs. Ablation was performed proximal to the risk point by a 1470-nm diode laser...
2017: SAGE Open Medicine
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