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Protective stent

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https://www.readbyqxmd.com/read/28214424/association-between-plaque-characteristics-and-the-amount-of-debris-captured-by-a-filter-type-distal-protection-device-in-patients-with-acute-coronary-syndrome
#1
Katsuhide Kitagawa, Tetsuya Amano, Tadayuki Uetani, Hideki Ishii, Takahiro Okumura, Susumu Suzuki, Hiroaki Takashima, Akiyoshi Kurita, Hirohiko Ando, Tatsuaki Matsubara, Toyoaki Murohara
BACKGROUND AND AIMS: Disruption of atherosclerotic plaque and distal embolism often cause peri-procedural myocardial injury during percutaneous coronary intervention (PCI). In the present study, we evaluate the association between the characteristics of the target lesion and the amount of debris captured by the filter-type distal protection device. METHODS: We enrolled 120 consecutive patients with acute coronary syndrome, who underwent coronary stent implantation with a filter-type distal protection device after integrated backscatter intravascular ultrasound (IB-IVUS) analysis...
February 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28188678/prophylactic-ureteric-stents-in-renal-transplant-recipients-a-multicentre-randomised-controlled-trial-of-early-versus-late-removal
#2
Pareeta Patel, Irene Rebollo-Mesa, Elizabeth Ryan, Manish D Sinha, Stephen D Marks, Neal Banga, Iain C Macdougall, Michelle C Webb, Geoff Koffman, Jonathon Olsburgh
Prophylactic ureteric stenting in renal transplantation reduces major urological complications (MUCs). There is however morbidity related to the indwelling duration of a stent, we aimed to determine the optimal duration for stents in this clinical setting. Patients (aged 2-75 years) from 6 UK hospitals undergoing renal transplantation were recruited and randomly assigned, to either early stent removal at 5 days (without cystoscopy) or late at 6 weeks post-transplantation (with cystoscopy). The primary outcome was a composite of stent-related complications defined as pain, visible haematuria, migration, fragmentation, and urinary tract infections (UTIs) within 3 months of transplantation...
February 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28185445/a-comparative-study-of-percutaneous-atherectomy-for-femoropopliteal-arterial-occlusive-disease-experiences-in-160-patients
#3
Yongquan Gu, Mahmoud B Malas, Lixing Qi, Lianrui Guo, Jianming Guo, Hengxi Yu, Zhu Tong, Xixiang Gao, Jian Zhang, Zhonggao Wang
BACKGROUND: SiverHawk directional atherectomy has been used to treat more than 300 thousand cases of lower extremity atherosclerotic occlusive disease in the world since it was approved by FDA in 2003. This study to analyze the safety and effectiveness of symptomatic femoral popliteal atherosclerotic disease treated by directional atheroectomy (DA). METHODS: Clinical data of all consecutive patients treated with percutaneous atherectomy utilizing the SiverHawk plaque excision at one university hospital was retrospectively analyzed...
February 9, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28182300/endoscopic-double-stenting-for-gastrojejunostomy-anastomotic-and-biliary-obstruction-in-a-patient-with-roux-en-y-reconstruction
#4
Tadahisa Inoue, Kiyoaki Ito, Masashi Yoneda
Although it has been reported that endoscopic double stenting using a self-expandable metallic stent (SEMS) for gastroduodenal and biliary obstruction is useful [1-2], the efficacy and safety of performing double stenting using balloon enteroscopy is uncertain in patients with surgically altered anatomy. We describe a patient who had undergone gastrectomy and then underwent endoscopic double stenting for gastrojejunostomy anastomotic and biliary obstruction. A man in his 50s with a history of having undergone distal gastrectomy with Roux-en-Y reconstruction because of gastric cancer developed gastrojejunostomy anastomotic obstruction due to local anastomotic recurrence and peritoneal dissemination (Fig...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28181709/combination-therapy-of-over-the-scope-clip-and-covered-metallic-stent-for-refractory-multiple-esophagobronchial-fistulae-and-stenosis
#5
Hirohito Mori, Asadur Rahman, Tsutomu Masaki
Many reports have indicated efficacy of Over-The-Scope-Clip (OTSC) regarding closure of perforation [1, 2]. However, closure of esophagobronchial fistula still remains difficult even by OTSC due to hard tissue of bronchial wall [3]. Combination approaches of OTSC and covered stent were performed to reduce intolerable symptoms. A 59-year-old man was diagnosed with advanced lung cancer with severe dyspnea and massive sputum. This article is protected by copyright. All rights reserved.
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28181708/interventional-eus-where-are-we-headed
#6
REVIEW
Marco J Bruno
EUS is an essential endoscopic tool within the diagnostic and therapeutic armamentarium of gastrointestinal and hepatic diseases. EUS-guided tissue acquisition will develop towards facilitating personalized treatment by obtaining large representative tissue specimens for elaborate immunohistochemical and biomolecular typing of the tumor. Intra-tumoral or intra-vascular delivery of drugs potentially offer many advantages over systemic injection. Intratumoral application of radiofrequency ablation and photodynamic therapy show promise but need to be explored further...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28181704/evaluation-of-the-safety-of-endoscopic-radiofrequency-ablation-for-malignant-biliary-stricture-using-a-digital-peroral-cholangioscope-with-videos
#7
Takeshi Ogura, Saori Onda, Tastsushi Sano, Wataru Takagi, Astushi Okuda, Akira Miyano, Nobu Nishioka, Miyuki Imanishi, Mio Amano, Daisuke Masuda, Kazuhide Higuchi
OBJECTIVES: The clinical impact of catheter based radiofrequency ablation (RFA) under ERCP guidance has been recently reported, however severe adverse events have also been noted. If tumor is not present in the biliary tract, severe adverse events such as perforation or bleeding due to vessel injury around the biliary tract may occur. In addition, the effectiveness of RFA may not be sufficient based solely on radiographic guidance. The aim of this study was to evaluate the actual feasibility of intraductal RFA by peroral cholangioscope (POCS) evaluation before/after RFA...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28180043/preoperative-protective-endovascular-covered-stent-placement-followed-by-surgery-for-management-of-the-cervical-common-and-internal-carotid-arteries-with-tumor-encasement
#8
Michael R Markiewicz, Phillip Pirgousis, Curtis Bryant, James C Cunningham, Roi Dagan, Sukhwinder J Sandhu, Daniel A Siragusa, Arun Gopinath, Rui Fernandes
Objective The objective of this study was to report the outcomes on a preliminary cohort of patients with tumor encasement of either, or both, the cervical internal carotid artery (ICA) and common carotid artery (CCA) following preoperative covered stent placement and surgical resection. Setting This study was set at the University of Florida College of Medicine, Jacksonville, FL. Participants Subjects who received preoperative stenting of the cervical ICA/CCA before surgical resection of head and neck tumors between April 1, 2015, and July 31, 2015 were participated...
February 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28162902/coronary-subclavian-steal-syndrome-successfully-treated-with-subclavian-artery-stenting-a-report-of-2-cases
#9
Satoshi Murai, Hisakazu Itami, Kazuhiko Nishi, Shinji Otsuka, Noboru Kusaka, Tsukasa Nishiura, Kotaro Ogihara
Coronary subclavian steal syndrome (CSSS) is a well-recognized phenomenon secondary to coronary artery bypass grafting and may cause myocardial ischemia. We report 2 cases of CSSS successfully treated with subclavian artery (SA) stenting. In both cases, an Optimo balloon guiding catheter was placed in the SA immediately proximal to the vertebral artery (VA) origin as a double protection system for the VA and left internal thoracic artery (LITA) graft. There were no periprocedural complications. Balloon protection for both the VA and LITA using a single balloon guiding catheter is a reasonable and safe technique for preventing distal embolisms...
February 2, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28160331/long-term-outcomes-and-risk-factors-of-biliary-stent-dysfunction-after-endoscopic-double-stenting-for-malignant-biliary-and-duodenal-obstructions
#10
Kazuyuki Matsumoto, Hironari Kato, Koichiro Tsutsumi, Sho Mizukawa, Syuntaro Yabe, Hiroyuki Seki, Yutaka Akimoto, Daisuke Uchida, Takeshi Tomoda, Naoki Yamamoto, Shigeru Horiguchi, Kenji Kuwaki, Hiroyuki Okada
BACKGROUND AND AIMS: Few reports describe the endoscopic double stenting procedure for malignant biliary and duodenal obstructions. We evaluated the clinical outcomes from double stenting, and analyzed the risk factors for biliary stent dysfunction following double stenting. METHODS: Eighty-one patients who underwent endoscopic double stenting for malignant biliary and duodenal obstructions were retrospectively analyzed. We determined the stent dysfunction rate and the biliary stent dysfunction risk factors, and analyzed the endoscopic reintervention results...
February 3, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28154342/complications-and-predictors-of-hypotension-requiring-vasopressor-after-carotid-artery-stenting
#11
Masataka Nanto, Yudai Goto, Hiroyuki Yamamoto, Seisuke Tanigawa, Hayato Takeuchi, Yoshikazu Nakahara, Hiroshi Tenjin, Michiko Takado
A significant controversy exists regarding the clinical impact of hemodynamic depression on major adverse events after carotid artery stenting (CAS). The purpose of this study was to evaluate the incidence, predictors, and clinical significance of hypotension after CAS. A total of 118 cases of carotid artery stenosis were treated with CAS. Hypotension was defined as sustained systolic blood pressure <80 mmHg and requiring intravenous administration of vasopressor to maintain adequate systolic blood pressure after the procedure...
January 31, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28152572/safety-and-efficacy-of-transhepatic-and-transsplenic-access-for-endovascular-management-of-portal-vein-complications-after-liver-transplantation-1
#12
Joon-Young Ohm, Gi-Young Ko, Kyu-Bo Sung, Dong-Il Gwon, Heung-Gyu Koh
OBJECTIVE: To evaluate and compare the safety and efficacy of endovascular management of the portal vein (PV) via percutaneous transsplenic access versus percutaneous transhepatic access in liver transplant recipients. METHODS: Eighteen patients who underwent endovascular management of PV via percutaneous transhepatic (n = 8) and transsplenic (n = 10) access were enrolled. Transsplenic access was chosen if the spleen was located in a normal position, the splenic vein was preserved, and the target lesion did not involve confluence of the superior mesenteric and splenic veins...
February 2, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28145037/ureteral-stent-dwelling-time-a-risk-factor-for-post-ureteroscopy-sepsis
#13
Amihay Nevo, Roy Mano, Jack Baniel, David A Lifshitz
OBJECTIVES: To evaluate the association between stent dwelling time and sepsis following ureteroscopy, and identify risk factors for sepsis in this setting. PATIENTS AND METHODS: The prospectively collected database of a single institution was queried for all patients who underwent ureteroscopy for stone extraction between 2010- 2016. Demographic, clinical, preoperative, and operative data were collected. Primary study endpoint was sepsis within 48 hours of ureteroscopy...
February 1, 2017: BJU International
https://www.readbyqxmd.com/read/28142887/the-effect-of-increasing-operator-experience-on-procedure-related-characteristics-in-patients-undergoing-carotid-artery-stenting
#14
George Kouvelos, Andreas Koutsoumpelis, Eleni Arnaoutoglou, Christos Nassis, Vasilios Bouris, Michalis Peroulis, George Papadopoulos, Miltiadis Matsagkas
Objectives To evaluate the efficacy and safety of carotid artery stenting for the treatment of severe carotid artery disease in our department and to investigate the effect of increasing operator experience on perioperative and procedure-related characteristics. Methods From January 2007 to February 2015 200 patients underwent 207 endovascular procedures for carotid artery stenosis. Of all, 113 arteries (56.5%) were symptomatic. Significant changes across time were calculated with the use of Change Point analysis using bootstrap and mean squared error estimates...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28135786/the-effect-of-correcting-verifynow-p2y12-assay-results-for-hematocrit-in-patients-undergoing-percutaneous-coronary-interventions
#15
P W A Janssen, T O Bergmeijer, T C Godschalk, T T D Le, N J Breet, J C Kelder, C M Hackeng, J M Ten Berg
BACKGROUND: High on-treatment platelet reactivity is predictive for the occurrence of atherothrombotic events following percutaneous coronary interventions (PCI). A low hematocrit (HCT) value is associated with higher platelet reactivity values expressed in P2Y12 reaction units (PRU) as measured with the VerifyNow P2Y12 assay. However, it is suggested that this is only an in vitro phenomenon. OBJECTIVE: To determine whether adjusting PRU for HCT improves the predictive value for thrombotic events following PCI...
January 30, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28135763/the-cyp2c19-2-and-cyp2c19-17-polymorphisms-play-a-vital-role-in-clopidogrel-responsiveness-after-percutaneous-coronary-intervention-a-pharmacogenomics-study
#16
Faruk Saydam, İrfan Değirmenci, Alparslan Birdane, Mahmut Özdemir, Taner Ulus, Cansu Özbayer, Ertuğrul Çolak, Necmi Ata, Hasan Veysi Güneş
Clopidogrel inhibits platelet activation and aggregation by blocking the P2Y12 receptor. Dual antiplatelet therapy with clopidogrel and aspirin is recommended treatment by current guidelines for patients undergoing percutaneous interventions. Recurrent ischaemic cardiac events after this treatment showed lack of clopidogrel responsiveness. We aimed to investigate the most noticeable variants in the genes involved in clopidogrel pharmacokinetics and pharmacodynamics. 347 Turkish patients who underwent percutaneous coronary interventions with stent implantation were included in our study...
January 30, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28131536/dual-antiplatelet-therapy-improves-outcome-in-diabetic-patients-undergoing-endovascular-femoropopliteal-stenting-for-critical-limb-ischaemia
#17
O Thott, F Granath, J Malmstedt, C-M Wahlgren
OBJECTIVE: The purpose of this study was to analyse the effect of dual antiplatelet therapy (DAPT) compared to aspirin on outcome after endovascular interventions in patients with CLI. METHODS: This was a population based retrospective nationwide cohort analysis. Several linked national databases in Sweden: Swedish National Vascular Registry, Prescribed Drug Registry and National Discharge Registry. A total of 1941 patients (median age 79; range 43-103 years; women 58%) were identified with CLI who had undergone primary femoropopliteal endovascular intervention between 2006 and 2012...
January 25, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28131320/incidence-and-management-of-restenosis-after-treatment-of-unprotected-left-main-disease-with-second-generation-drug-eluting-stents-from-failure-in-left-main-study-with-2nd-generation-stents-cardiogroup-iii-study
#18
Fabrizio D'Ascenzo, Alaide Chieffo, Enrico Cerrato, Fabrizio Ugo, Marco Pavani, Hyroishi Kawamoto, Roberto di Summa, Ferdinando Varbella, Giacomo Boccuzzi, Pierluigi Omedè, Sara Rettegno, Roberto Garbo, Federico Conrotto, Antonio Montefusco, Giuseppe Biondi-Zoccai, Maurizio D'Amico, Claudio Moretti, Javier Escaned, Fiorenzo Gaita, Antonio Colombo
Incidence, predictors, and impact on prognosis of target lesion revascularization (TLR) for patients treated with second-generation drug-eluting stents (DESs) on unprotected left main (ULM) remain to be defined. The present study is a multicenter study including patients treated with a second-generation DES on ULM from June 2007 to January 2015. Rate of TLR was the primary end point. All cause death, myocardial infarction, target vessel revascularization, and stent thrombosis were the secondary end points. A total of 1,270 patients were enrolled: after a follow-up of 650 days (230 to 1,170), 47 (3...
January 6, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28119044/a-novel-side-branch-protection-technique-in-coronary-stent-implantation-jailed-corsair-technique
#19
REVIEW
Yohei Numasawa, Kenichi Sakakura, Kei Yamamoto, Shingo Yamamoto, Yousuke Taniguchi, Hideo Fujita, Shin-Ichi Momomura
Side branch occlusion, which was one of the common complications in percutaneous coronary interventions, was closely associated with cardiac death and myocardial infarction. Clinical guidelines also support the importance of preservation of physiologic blood flow in SB during PCI to bifurcation lesions. In order to avoid side branch occlusion during stent implantation, we often performed the jailed wire technique, in which a conventional guide wire was inserted to the side branch before stent implantation to the main vessel...
January 17, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28118509/eus-guided-biliary-and-pancreatic-duct-interventions
#20
REVIEW
Vinay Dhir, Hiroyuki Isayama, Takao Itoi, Majid Al Madi, Aroon Siripun, Anthony Yuen Bun Teoh, Khek Yu Ho
Drainage of obstructed bile duct and pancreatic duct under EUS guidance have evolved into viable techniques suitable for patients with failed ERCP and/or altered surgical anatomy. One of the major advantages of EUS guidance is the possibility of multiple access points depending upon patient and ductal anatomy. Unlike ERCP, An approachable papilla is not a requisite for a successful EUS-guided biliary or pancreatic ductal drainage. Moreover since the access is away from the papilla, there is possibility of reduced pancreatitis...
January 24, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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