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Percutaneous transluminal angioplasty

Mingxi Lu, Hua Li, Jian Feng, Weiming Hu
Pharmacomechanical thrombolysis (PMT) and percutaneous transluminal angioplasty (PTA) for the treatment of acute thrombotic prosthetic arteriovenous access (PAVA) are conventionally guided by radiography, which may cause radiation injury and requires the use of radiographic contrast media. The aim of the present study was to summarize our experience with ultrasound-guided PMT and PTA as an alternative to radiographic guidance. Between December 2012 and October 2016, 114 patients with acute thrombosis of PAVA were treated urgently with ultrasound-guided PMT and PTA to restore blood flow...
August 13, 2018: Ultrasound in Medicine & Biology
Michael Schulte-Hermes, Oliver Klein-Wiele, Marc Vorpahl, Melchior Seyfarth
AIMS: Transradial access (TRA) has become a standard approach for cardiac catheterization. However, an obstacle to TRA is the risk of radial artery occlusion (RAO) after radial access in about 5%-10% of patients. We analyzed the safety and efficacy of getting vascular access after RAO by percutaneous transluminal angioplasty in cases of chronic radial occlusion. METHODS AND RESULTS: Chronic RAO was confirmed by Allen test and color Doppler in 8 patients. TRA was achieved by puncture in the distal tabatiere (anatomical snuffbox) using Seldinger's technique followed by insertion of a 5 Fr radial introducer sheath...
August 15, 2018: Journal of Invasive Cardiology
Rianne J Vossen, Anco C Vahl, Vanessa J Leijdekkers, Alexander D Montauban van Swijndregt, Ron Balm
BACKGROUND AND OBJECTIVE: The recent ESC guideline advises primary stent placement in superficial femoral arterial disease (SFAD). The aim of this study was to compare clinical outcomes of SFAD patients selected for stent placement with plain percutaneous transluminal angioplasty (PTA). MATERIALS AND METHODS: A single centre retrospective, observational analysis was performed of all consecutive patients undergoing endovascular treatment for SFAD from 2004 to 2015...
August 11, 2018: European Journal of Vascular and Endovascular Surgery
Chung-Kuan Wu, Chia-Hsun Lin, Chih-Cheng Hsu, Der-Cherng Tarng, Chew-Teng Kor, Yi-Chun Chen, Chia-Lin Wu, Chia-Chu Chang
The long-term survival and life quality of hemodialysis (HD) patients depend on adequacy of dialysis via a well-functioning vascular access. Loss of primary functional patency (PFP) of an arteriovenous access (AVA) eventually happens in HD patients. The association between time to loss of PFP of AVAs and mortality in HD patients remains unclear. The retrospective nationwide population-based cohort study compared the hazards of mortality with time to loss of PFP. We enrolled 1618 adult incident HD patients who received HD via AVAs for at least 90 days between January 1, 2001 and December 31, 2013...
August 2018: Medicine (Baltimore)
Tsung-Yan Chen, Lin Lin, Mu-Yang Hsieh, Chiu-Hui Chen, Meng-Kan Chen, Chih-Cheng Wu
AIM: Percutaneous transluminal angioplasty (PTA) is widely used as the primary treatment for dialysis vascular access dysfunction. Nonetheless, many patients develop early occlusion after angioplasty. Thus, we investigated the role of thrombophilia in access occlusion within 30 days of angioplasty. MATERIALS AND METHODS: This case-control study included patients who underwent PTA for dialysis vascular access dysfunction. Patients who experienced occlusion within 30 days of angioplasty were included in the case group and those without occlusion for at least 30 days after angioplasty were included in the control group...
July 31, 2018: Cardiovascular and Interventional Radiology
Suh Min Kim, Kyoung Won Yoon, Shin-Young Woo, Seon-Hee Heo, Young-Wook Kim, Dong-Ik Kim, Yang-Jin Park
BACKGROUND: Cephalic arch is one of the sites most susceptible to stenosis in brachiocephalic arteriovenous fistula (BCAVF). We performed a retrospective study to identify the incidence of cephalic arch stenosis (CAS) in BCAVF, to compare the patency of percutaneous transluminal balloon angioplasty (PTA) with that of cephalic vein transposition (CVT), and to establish the optimal treatment strategy for CAS. MATERIALS AND METHODS: Between January 2011 and June 2016, 462 patients underwent BCAVF creation...
July 25, 2018: Annals of Vascular Surgery
Eliano P Navarese, Bernhard Wernly, Michael Lichtenauer, Aniela M Petrescu, Michalina Kołodziejczak, Alexander Lauten, Lara Frediani, Verena Veulemanns, Wojciech Wanha, Wojciech Wojakowski, Maciej Lesiak, Giuseppe Ferrante, Tobias Zeus, Udaya Tantry, Kevin Bliden, Antonino Buffon, Gaetano Contegiacomo, Christian Jung, Jacek Kubica, Vincenzo Pestrichella, Paul A Gurbel
AIMS: Peripheral artery disease (PAD) is associated with increased risk of cardiovascular events. The benefits of dual antiplatelet therapy (DAPT) vs single antiplatelet therapy (SAPT) with aspirin in patients with PAD remain subject of ongoing debate. METHODS AND RESULTS: We performed a meta-analysis of studies comparing DAPT vs aspirin monotherapy in PAD. Incidence rate ratios (RR) and respective 95% confidence intervals (CI) were used as summary statistics. The primary outcome was mortality...
July 3, 2018: International Journal of Cardiology
Farah Gillan Irani, Terence Kiat Beng Teo, Kiang Hiong Tay, Win Htet Yin, Hlaing Hlaing Win, Apoorva Gogna, Ankur Patel, Chow Wei Too, Shaun Xavier Ju Min Chan, Richard Hoau Gong Lo, Luke Han Wei Toh, Siew Ping Chng, Hui Lin Choong, Bien Soo Tan
Purpose To compare lesion primary patency and restenosis rates between drug-eluting balloon (DEB) percutaneous transluminal angioplasty (PTA) and conventional balloon PTA (cPTA) in the treatment of arteriovenous fistula (AVF) and arteriovenous graft (AVG) stenosis. Materials and Methods In this prospective study, 119 participants (mean age, 59.2 years; 79 men, 40 women) with failing AVFs (n = 98) or AVGs (n = 21) were randomly assigned to undergo either DEB PTA (n = 59) or cPTA (n = 60) from January 2012 to May 2013...
July 24, 2018: Radiology
Shougang Sun, Quan Zhang, Qiongying Wang, Qiang Wu, Guangli Xu, Peng Chang, Hao Hu, Feng Bai
OBJECTIVE: To observe the effect of local administration of thalidomide on neointimal formation after balloon-induced carotid artery injury in rats. METHODS: Forty-eight male Sprague-Dawley rats were randomly divided into 3 groups (n = 16): Sham operation group (group A), alone operation group (group B) and Thalidomide group (group C). The carotid arteries of group B and group C were injured by a conventional percutaneous transluminal coronary angioplasty (PTCA) balloon catheter...
February 21, 2018: Pathology, Research and Practice
Elisa Grifoni, Anna Maria Gori, Betti Giusti, Renato Valenti, Angela Migliorini, Stefania Basili, Rita Paniccia, Mahmoud Farouk Elmahdy, Raffaele Pulli, Carlo Pratesi, David Antoniucci, Francesco Violi, Rossella Marcucci
OBJECTIVES: Few data are available on the association between a different entity of platelet inhibition on antiplatelet treatment and clinical outcomes in patients with peripheral artery disease (PAD). The aim of this study was to evaluate the degree of on-treatment platelet reactivity, and its association with ischaemic and haemorrhagic adverse events at follow up in PAD patients undergoing percutaneous transluminal angioplasty (PTA). METHODS: In this observational, prospective, single centre study, 177 consecutive patients with PAD undergoing PTA were enrolled, and treated with dual antiplatelet therapy with aspirin and a P2Y12 inhibitor...
July 16, 2018: European Journal of Vascular and Endovascular Surgery
Xueli Cai, Yixin Wei, Shaojun Ren, Zhiping Wu, Xiao Peng, Yuejin Huang, Liangtong Huang, Xiumei Liu, Zhihua Yang
Introduction: Vertebral artery stenosis is a major cause of posterior circulation ischemia in the elderly. There is not a clear consensus on the optimal therapeutic approach for symptomatic extracranial vertebral artery stenosis. Aim: To evaluate the feasibility and efficacy of balloon-expandable stent angioplasty in the treatment of vertebral artery stenosis in the V2 segment. Material and methods: Five patients with vertebral artery stenosis (V2 segment) and treatment of percutaneous transluminal stenting from July 2009 to June 2014 were retrospectively evaluated...
June 2018: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
Mikko Peltokangas, Velipekka Suominen, Damir Vakhitov, Janne Korhonen, Jarmo Verho, Ville M Mattila, Pekka Romsi, Jukka Lekkala, Antti Vehkaoja, Niku Oksala
We analyze the changes in upper and lower limb pulse transit times (PTT) caused by peripheral artery disease (PAD) and its treatment with percutaneous transluminal angioplasty (PTA) of the superficial femoral artery. PTTs were extracted from the photoplethysmograms (PPG) recorded from an index finger and 2nd toes. PTTs were defined between the R-peaks of the ECG and different reference points of the (PPG): foot and peak points, maxima of 1st and 2nd derivative, and by means of intersecting tangents method. Also the PTTs between the toe and finger pulses were analyzed...
June 28, 2018: IEEE Journal of Biomedical and Health Informatics
Ying Mao, Guangxian Nan
BACKGROUND: Evidence for the preventative effects of percutaneous transluminal angioplasty and stenting (PTAS) on the recurrence of stroke in patients with severe intracranial vertebrobasilar stenoses (IVBS) varies, and the influence of study characteristics on the study outcomes have not been determined. METHODS: A study level based meta-analysis was performed to investigate the influence of baseline characteristics on the 30-day and follow-up stroke recurrence or death in symptomatic IVBS patients receiving PTAS...
2018: PloS One
Vineet Meghrajani, Nitin Sabharwal, Vinod Namana, Moustafa Elsheshtawy, Bernard Topi
Thrombocytopenia is defined as a condition where the platelet count is below the lower limit of normal (<150 G/L), and it is categorized as mild (100-149 G/L), moderate (50-99 G/L), and severe (<50 G/L). We present here a 79-year-old man who developed severe thrombocytopenia with a platelet count of 6 G/L, less than 24 hours after intravenous tirofiban infusion that was given to the patient during a percutaneous transluminal coronary angioplasty procedure with placement of 3 drug-eluting stents...
2018: Case Reports in Hematology
Pawel Maga, Tomasz P Mikolajczyk, Lukasz Partyka, Mateusz Siedlinski, Mikolaj Maga, Marek Krzanowski, Krzysztof Malinowski, Kevin Luc, Rafal Nizankowski, Deepak L Bhatt, Tomasz J Guzik
AIMS: Adaptive immunity is critical in vascular remodelling following arterial injury. We hypothesized that acute changes in T cells at a percutaneous transluminal angioplasty (PTA) site could serve as an index of their potential interaction with the injured vascular wall. METHODS AND RESULTS: T cell subsets were characterised in 45 patients with Rutherford 3-4 peripheral artery disease (PAD) undergoing PTA. Direct angioplasty catheter blood sampling was performed before and immediately after the procedure...
June 21, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
Marco Meloni, Valentina Izzo, Laura Giurato, Costantino Del Giudice, Valerio Da Ros, Valerio Cervelli, Roberto Gandini, Luigi Uccioli
Objective: To establish the rate of clinical recurrence of critical limb ischemia (CLI) in diabetic patients with ischemic foot ulcers (DFUs) treated by percutaneous transluminal angioplasty (PTA). Approach: The study group was composed of 304 patients with ischemic DFUs treated by PTA. We evaluated the rate of clinical recurrence of CLI requiring a second PTA (repeated PTA [rePTA]), the factors related to CLI relapse, and the outcomes of rePTA patients. The follow-up was 12.5 ± 6.6 months. Results: Seventy-four of 304 patients (24...
June 1, 2018: Advances in Wound Care
Ryosuke Otsuji, Junji Uno, Ryota Motoie, Satoshi Karashima, Nice Ren, Shintaro Nagaoka, Maeda Kazushi, Yoshiaki Ikai, Hidefuku Gi
BACKGROUND: Basilar artery occlusion (BAO) is a rare, potentially fatal cause of ischemic stroke. It is often challenging to diagnose, especially when the presenting symptom is "seizures". We present 3 cases of patients with BAO presenting with seizures. CASE DESCRIPTION: The first patient was a 53-year-old man with clonic convulsions. On angiography, BAO was detected and a mechanical thrombectomy (MT) was performed. The modified Rankin Scale (mRS) score at 3 months after treatment was 1...
June 7, 2018: World Neurosurgery
Andrea Nemcova, Alexandra Jirkovska, Michal Dubsky, Libor Kolesar, Robert Bem, Vladimira Fejfarova, Anna Pysna, Veronika Woskova, Jelena Skibova, Edward B Jude
The aim of this study was to compare the serum levels of the anti-angiogenic factor endostatin (S-endostatin) as a potential marker of vasculogenesis after autologous cell therapy (ACT) versus percutaneous transluminal angioplasty (PTA) in diabetic patients with critical limb ischemia (CLI). A total of 25 diabetic patients with CLI treated in our foot clinic during the period 2008-2014 with ACT generating potential vasculogenesis were consecutively included in the study; 14 diabetic patients with CLI who underwent PTA during the same period were included in a control group in which no vasculogenesis had occurred...
January 1, 2018: Cell Transplantation
Yu Yu Garin, K L Kozlov, D S Medvedev
Central vein stenosis and obstruction is one of the main risk factors in vascular access failure among hemodialysis patients. The elderly patients are in a particularly group because of some problems of arteriovenous fistula creation and maintenance. To evaluate the effectiveness and safety of percutaneous transluminal angioplasty for the treatment of central vein stenosis and obstruction in the middle aged and elderly hemodialysis patients. Forty eight hemodialysis patients with central vein stenosis and obstruction were treated from 2010 to 2016...
2018: Advances in Gerontology, Uspekhi Gerontologii
Chun-Lin Su, Chang-Cheng Chang, Yun-Shing Peng, Mei-Yen Chen
OBJECTIVE: The aim of this study is to investigate the preexisting predictive factors associated with comorbidities for diabetic foot ulcer (DFU) in King classification III at an outpatient clinic. METHOD: This prospective study included 100 patients with DFU in King classification III treated at outpatient clinics in Chiayi Chang Gung Memorial Hospital from January 2011 to December 2011. The least follow-up time was 1 year. Medical documentations were in respect of patient's baseline characteristics, associated history, presence of comorbidities, follow-up time, and condition of wounds...
May 30, 2018: Annals of Plastic Surgery
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