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Arterial angioplasty

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https://www.readbyqxmd.com/read/28097197/early-coronary-thrombosis-without-st-segment-elevation-following-repair-of-acute-aortic-dissection
#1
Davide Carino, Francesco Nicolini, Giorgio Romano, Matteo Ricci, Tiziano Gherli
Acute coronary thrombosis after emergent surgery for acute Type A aortic dissection is a rare event that can remain undiagnosed in absence of typical electrocardiogram readings. We report a case of left anterior descending artery thrombosis without ST-segment elevation three days after surgical repair, which was successfully treated with angioplasty and stenting.
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28095767/in-vivo-quantification-of-the-deformations-of-the-femoropopliteal-segment
#2
Can Gökgöl, Steffen Schumann, Nicolas Diehm, Guoyan Zheng, Philippe Büchler
PURPOSE: To quantify the deformations of the femoropopliteal (FP) segment in patients undergoing endovascular revascularization and to compare the posttreatment deformations caused by primary nitinol stent implantation to those produced by percutaneous transluminal angioplasty (PTA). METHODS: Thirty-five patients (mean age 69±10 years; 20 men) scheduled for endovascular therapy were recruited for the study. During endovascular interventions, angiographic images were acquired with the legs straight and with a hip/knee flexion of 20°/70°...
February 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28095482/an-increase-in-mean-platelet-volume-platelet-count-ratio-is-associated-with-vascular-access-failure-in-hemodialysis-patients
#3
Dong Ho Shin, So Yon Rhee, Hee Jung Jeon, Ji-Young Park, Shin-Wook Kang, Jieun Oh
After stenosis of arteriovenous vascular access in hemodialysis patients, platelets play a crucial role in subsequent thrombus formation, leading to access failure. In a previous study, the mean platelet volume (MPV)/platelet count ratio, but not MPV alone, was shown to be an independent predictor of 4-year mortality after myocardial infarction. However, little is known about the potential influence of MPV/platelet count ratio on vascular access patency in hemodialysis patients. A total of 143 patients undergoing routine hemodialysis were recruited between January 2013 and February 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28090010/long-term-outcomes-after-percutaneous-lower-extremity-arterial-interventions-with-atherectomy-vs-balloon-angioplasty%C3%A3-propensity-score-matched-registry
#4
Adam Janas, Piotr P Buszman, Krzysztof P Milewski, Szymon Wiernek, Ksenia Janas, Maciej Pruski, Wojciech Wojakowski, Aleksandra Błachut, Wojciech Picheta, Pawel Buszman, Stefan Kiesz
BACKGROUND: The impact of endovascular revascularization of the lower extremity arteries with atherectomy (AT) compared with percutaneous transluminal angioplasty (PTA) is still unclear. Therefore, the aim of the study was to compare long-term outcomes after percutaneous PTA and AT in patients requiring endovascular revascularization.Methods and Results:This was a single-center, retrospective registry of obstructive and symptomatic PAD patients who underwent endovascular revascularization...
January 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28089641/current-outcomes-of-one-stage-surgical-correction-for-berry-syndrome
#5
Renjie Hu, Wen Zhang, Xinrong Liu, Wei Dong, Hongbin Zhu, Haibo Zhang
OBJECTIVES: Berry syndrome is a combination of distal aortopulmonary window (APW), aortic origin of the right pulmonary artery (RPA), intact ventricular septum, and interrupted aortic arch. We present here our current experience of primary repair of this syndrome with the goal of optimizing treatment for this rare condition. METHODS: From January 2003 through December 2015, 16 infants with Berry syndrome underwent one-stage repair at Shanghai Children's Medical Center...
December 19, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28087551/cost-effectiveness-of-superficial-femoral-artery-endovascular-interventions-in-the-uk-and-germany-a-modelling-study
#6
Benjamin C Kearns, Steven M Thomas
OBJECTIVES: To assess the lifetime costs and cost-effectiveness of 5 endovascular interventions to treat superficial femoral arterial disease. DESIGN: A model-based health economic evaluation. An existing decision analytical model was used, with updated effectiveness data taken from the literature, and updated costs based on purchasing prices. SETTING: UK and German healthcare perspectives were considered. PARTICIPANTS: Patients with intermittent claudication of the femoropopliteal arteries eligible for endovascular treatment...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28069505/end-point-immobilization-of-heparin-on-plasma-treated-surface-of-electrospun-polycarbonate-urethane-vascular-graft
#7
Xuefeng Qiu, Benjamin Li-Ping Lee, Xinghai Ning, Niren Murthy, Nianguo Dong, Song Li
: Small-diameter synthetic vascular grafts have high failure rate due to primarily surface thrombogenicity, and effective surface chemical modification is critical to maintain the patency of the grafts. In this study, we engineered a small-diameter, elastic synthetic vascular graft with off-the-shelf availability and anti-thrombogenic activity. Polycarbonate-urethane (PCU), was electrospun to produce nanofibrous grafts that closely mimicked a native blood vessel in terms of structural and mechanical strength...
January 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28069015/impact-of-smoking-on-health-related-quality-of-life-after-percutaneous-coronary-intervention-treated-with-drug-eluting-stents-a-longitudinal-observational-study
#8
Chao Xue, Lin Bian, Yu Shui Xie, Zhao Fang Yin, Zuo Jun Xu, Qi Zhi Chen, Hui Li Zhang, Chang Qian Wang
BACKGROUND: Smoking has been shown to reduce health-related quality of life (HRQOL) in patients with coronary artery disease (CAD) undergoing percutanous coronary intervention (PCI) either by means of balloon angioplasty or with the use of bare-metal stents (BMS). Drug-eluting stents (DES) have now been widely used and are related to substantial reduction of restenosis and significantly improved HRQOL compared with BMS. This study aimed to evaluate the effects of smoking on HRQOL in patients after PCI in DES era...
January 3, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28068871/predilation-technique-with-balloon-angioplasty-to-facilitate-percutaneous-groin-access-of-large-size-sheath-through-scar-tissue
#9
Felice Pecoraro, Mayur Krishnaswamy, Johnny Steuer, Gilbert Puippe, Nicola Mangialardi, Thomas Pfammatter, Zoran Rancic, Frank J Veith, Neal S Cayne, Mario Lachat
Purpose Percutaneous remote access for endovascular aortic repair is an advantageous alternative to open access. Previous surgery in the femoral region and the presence of synthetic vascular grafts in the femoral/iliac arteries represent major limitations to percutaneous remote access. The aim of this study was to evaluate an original technique used for enabling percutaneous remote access for thoracic or abdominal endovascular aortic repair in patients with scar tissue and/or a vascular graft in the groin. Methods Twenty-five consecutive patients with a thoracic (11/25; 44%) or an aortic aneurysm (14/25; 66%) and with a synthetic vascular graft in the groin (16/25; 64%) or a redo groin access (9/25; 36%) were managed through the percutaneous remote access...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28067862/impact-of-indoxyl-sulfate-on-progenitor-cell-related-neovascularization-of-peripheral-arterial-disease-and-post-angioplasty-thrombosis-of-dialysis-vascular-access
#10
REVIEW
Chih-Cheng Wu, Szu-Chun Hung, Ko-Lin Kuo, Der-Cherng Tarng
Patients with chronic kidney disease (CKD) have an increased risk of vascular disease, which is associated with considerable health care costs. Vascular disease in CKD differs clinically and pathobiologically from that in patients with normal renal function. Besides the traditional risk factors, retention of uremic toxins contributes to the pathogenesis of vascular disease in patients with CKD. Indoxyl sulfate is a protein-bound uremic toxin and is inefficiently removed by conventional dialysis. Accumulating evidence suggests that indoxyl sulfate is a vascular toxin involved in atherosclerosis, arteriosclerosis, vascular calcification and vascular repair...
January 7, 2017: Toxins
https://www.readbyqxmd.com/read/28067614/experimental-determination-of-rupture-pressure-and-stress-of-adventitia-of-human-middle-cerebral-arteries
#11
Adam Piechna, Leszek Lombarski, Bogdan Ciszek, Krzysztof Cieslicki
Background Intracranial arterial dissections might be attributed to the particular biomechanical properties of their specific layers. Also, knowledge of adventitia properties would be crucial in the context of intracranial balloon angioplasty. Aims The purpose of this work was to determine the rupture pressure of separated adventitia and compare it to intact cerebral arterial segments. Methods Brain specimens were harvested from 14 autopsy subjects (age range from 23 to 86 years). Pressure-inflation tests were conducted on proximal segments of middle cerebral arteries and separated adventitia layers from contralateral arteries to assess the rupture pressure values...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28065382/energy-efficiency-and-pulmonary-artery-flow-after-balloon-pulmonary-angioplasty-for-inoperable-chronic-thromboembolic-pulmonary-hypertension-analysis-by-phase-contrast-mri
#12
Michinobu Nagao, Yuzo Yamasaki, Kohtaro Abe, Kazuya Hosokawa, Satoshi Kawanami, Takeshi Kamitani, Torahiko Yamanouchi, Hidetake Yabuuchi, Kenji Fukushima, Hiroshi Honda
PURPOSE: The aims of this study were to propose a new quantitative method for pulmonary artery (PA) flow energetics using phase-contrast magnetic resonance imaging (PC-MRI), and to investigate how balloon pulmonary angioplasty (BPA) impacts energetics in chronic thromboembolic pulmonary hypertension (CTEPH). MATERIALS AND METHODS: PC-MRI at 3-Teslar and with a flow sensitive gradient echo was used to examine energetics prior to and following BPA for 24 CTEPH patients...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28057794/purinergic-signaling-in-the-cardiovascular-system
#13
REVIEW
Geoffrey Burnstock
There is nervous control of the heart by ATP as a cotransmitter in sympathetic, parasympathetic, and sensory-motor nerves, as well as in intracardiac neurons. Centers in the brain control heart activities and vagal cardiovascular reflexes involve purines. Adenine nucleotides and nucleosides act on purinoceptors on cardiomyocytes, AV and SA nodes, cardiac fibroblasts, and coronary blood vessels. Vascular tone is controlled by a dual mechanism. ATP, released from perivascular sympathetic nerves, causes vasoconstriction largely via P2X1 receptors...
January 6, 2017: Circulation Research
https://www.readbyqxmd.com/read/28057289/clinical-outcomes-of-pedal-artery-angioplasty%C3%A2-for%C3%A2-patients-with-ischemic-wounds-results-from-the-multicenter-rendezvous-registry
#14
Tatsuya Nakama, Nozomi Watanabe, Takuya Haraguchi, Hiroshi Sakamoto, Daisuke Kamoi, Yoshinori Tsubakimoto, Kenji Ogata, Katsuhiko Satoh, Kazushi Urasawa, Hiroshi Andoh, Hiroshi Fujita, Yoshisato Shibata
OBJECTIVES: The aim of this study was to investigate the clinical outcomes of pedal artery angioplasty (PAA) for patients with critical limb ischemia. BACKGROUND: Pedal artery disease is considered a predictor of delayed wound healing (DH) after endovascular therapy. Adjunctive PAA might improve the speed and extent of wound healing. METHODS: Consecutive patients with critical limb ischemia (n = 257) presenting with de novo infrapopliteal and pedal artery disease were retrospectively reviewed from a multicenter registry...
January 9, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28050424/abdominal-angina-treated-by-urgent-percutaneous-angioplasty-an-excellent-alternative-to-surgical-revascularisation
#15
Vamsi Krishna Kamana, Ranjan Shetty, Anand M Krishnan, M Sudhakar Rao, Umesh Pai Malpe
Chronic Mesenteric Ischemia (CMI) presenting as acute abdomen can be treated percutaneously. An endovascular intervention has surpassed surgical revascularization over the past decade due to its lesser perioperative complication rate. Trans-femoral approach of revascularising is limited by its difficulty in coaxial alignment of the guiding catheter and hence, brachial artery and recently the radial approach have been utilized for mesenteric artery revascularisation for over a decade. Here by we report a case of chronic mesenteric ischemia having total occlusion of two and 70% occlusion of one of the three mesenteric vessels...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049984/clinical-outcomes-in-diabetic-patients-who-underwent-percutaneous-coronary-intervention-during-the-plain-old-balloon-angioplasty-poba-bare-metal-stents-bms-and-drug-eluting-stents-des-eras-from-1984-to-2010
#16
Ryo Naito, Katsumi Miyauchi, Hirokazu Konishi, Shuta Tsuboi, Manabu Ogita, Tomotaka Dohi, Takatoshi Kasai, Hiroshi Tamura, Shinya Okazaki, Kikuo Isoda, Hiroyuki Daida
Objective Diabetes is a negative predictor in coronary artery disease patients. Since the introduction of percutaneous coronary intervention (PCI), PCI has evolved through technological advances in devices, improvements in operators' techniques and the establishment of effective therapeutic protocols. The aim of this study is to examine the changes in the clinical outcomes following PCI in patients with diabetes. Methods We compared the clinical outcomes in patients with diabetes following PCI from 1984 to 2010 at Juntendo University over three eras (plain old balloon angioplasty (POBA)-, bare metal stents (BMS)- and drug-eluting stents (DES)-eras)...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28047196/th-ab-207a-11-anatomical-and-functional-assessment-of-coronary-artery-disease-using-low-dose-whole-organ-dynamic-computed-tomography
#17
L Hubbard, B Ziemer, J Lipinski, S Malkasian, B Sadeghi, H Javan, B Dertli, E M Groves, S Molloi
PURPOSE: To evaluate the accuracy of a low-dose, first-pass-analysis (FPA) dynamic computed tomography angiography and perfusion (CTAP) technique, for whole-organ anatomical and functional assessment of coronary artery disease (CAD). METHODS: An angioplasty balloon was advanced into the left anterior descending (LAD) coronary artery of five swine (35-45 kg) to induce several levels of stenosis at maximal hyperemia (intracoronary adenosine, 240 µg/min). Reference fluorescence microspheres and intravenous contrast (370 mg/mL iodine, 25 mL, 7 mL/s) were injected centrally and dynamic imaging was performed using a 320-slice CT scanner at 100 kVp and 200 mA...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045417/complex-regional-pain-syndrome-after-transfemoral-coronary-balloon-angioplasty
#18
Rohan Pravinbhai Parikh, Pradeep Deshmukh
Presently described is the case of a 55-year-old man who developed localized pain, allodynia, hyperpathia, and swelling over the right ankle joint following coronary balloon angioplasty, which had been performed via right femoral arterial access. Bone scan confirmed the diagnosis of complex regional pain syndrome. Various analgesics were administered, along with physiotherapist-assisted exercise. The present is the first reported case of complex regional pain syndrome presenting as remote postprocedural complication of transfemoral coronary balloon angioplasty...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28042404/in-hospital-and-one-year-clinical-outcome-of-percutaneous-coronary-intervention-in-a-tertiary-hospital-in-oman-oman-pci-registry
#19
Prashanth Panduranga, Majdah Al-Rashidi, Fatma Al-Hajri
OBJECTIVES: The aim of the study was to investigate the in-hospital and one-year clinical outcome of patients treated with percutaneous coronary intervention (PCI) in a tertiary hospital in Oman. METHODS: We conducted a retrospective, single-center, observational study looking at patients > 18 years old who underwent a PCI from 1 January to 31 December 2013. The primary end point was the occurrence of a major adverse cardiovascular event (MACE), defined as death, any myocardial infarction (MI), cerebrovascular accident (CVA), and target vessel revascularization (TVR) with either repeat PCI or coronary artery bypass surgery (CABG)...
January 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28038838/-interventional-cardiac-catheterization-in-congenital-heart-disease
#20
François Godart, Ali Houeijeh
Interventional cardiac catheterization has a major place in the management of congenital heart disease. Since the Rashkind atrioseptostomy in mid-1960s, many techniques have been developed. For some, it is necessary to close a cardiac or extracardiac shunt using occluder (double disc system, plug, coil…): closure of atrial septal defect, ventricular septal defect or patent arterial duct. For others, it is necessary to treat a valvular or vascular stenosis using a balloon catheter: dilatation of the pulmonary or the aortic valve, dilatation of aortic coarctation...
December 27, 2016: La Presse Médicale
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