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Ultrasound assisted thrombolysis

Georges El Hayek, Michael McDaniel, Henry Liberman, Chandan Devireddy, Pete Fong, Gautam Kumar, Wissam Jaber
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
Veysel Özgür Barış, Evren Özçınar, Özgür Ulaş Özcan, Mustafa Şırlak
Routinely, the femoral vein is used for access in ultrasound-assisted, catheter-directed thrombolysis (USAT). Presently described is a case of bilateral femoral venous occlusion caused by chronic thrombosis, successfully treated with USAT, using subclavian vein for access.
October 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Timothy J Fuller, Christopher M Paprzycki, Muhammad H Zubair, Lala R Hussain, Brian A Kuhn, Matthew H Recht, Patrick E Muck
BACKGROUND: Interventional strategies for massive and submassive pulmonary embolism (smPE) have historically included either systematic intravenous thrombolytic alteplase or surgical embolectomy, both of which are associated with significant morbidity and mortality. However, with the advent of endovascular techniques, recent studies have suggested that an endovascular approach to the treatment of acute smPE may be both safe and effective with excellent outcomes. The purpose of this study was to evaluate the outcomes of patients who have undergone catheter-directed thrombolysis (CDT) for smPE at our institution in an effort to determine the safety of the procedure...
January 2017: Annals of Vascular Surgery
Mohamed Shokr, Ramanjit Kaur, Kevin Belgrave, Arshad Javed, Mahir Elder, Shaun Cardozo, Luis Afonso, Amir Kaki
Catheter related thrombosis (CRT) is a commonly encountered entity fraught with substantial risk for mortality secondary to various complications including pulmonary embolism (PE), tricuspid regurgitation, endocarditis, right sided heart failure, and cardiogenic and septic shock. CRT carries a mortality rate of 18% in hemodialysis patients and more than 40% in nonhemodialysis patients. Management strategies include systemic anticoagulation, systemic thrombolysis, surgical evacuation, and percutaneous retrieval with no established guidelines...
2016: Case Reports in Cardiology
Nathan L Liang, Efthymios D Avgerinos, Luke K Marone, Michael J Singh, Michel S Makaroun, Rabih A Chaer
OBJECTIVES: The objective of this study was to compare the outcomes of patients undergoing ultrasound-accelerated thrombolysis (USAT) and standard catheter-directed thrombolysis (CDT) for the treatment of acute pulmonary embolism (PE). METHODS: The records of all patients in our institution having undergone CDT or USAT for massive or submassive PE from 2009 to 2014 were retrospectively reviewed. Standard statistical methods were used to compare characteristics and to assess for longitudinal change in outcomes...
August 2016: Vascular and Endovascular Surgery
Mohamed Teleb, Mateo Porres-Aguilar, Belinda Rivera-Lebron, Kyari Sumayin Ngamdu, Gehan Botrus, Javier E Anaya-Ayala, Debabrata Mukherjee
Intermediate-risk pulmonary embolism (PE), also known as submassive PE, occurs in a substantial group of patients and carries a significant mortality risk. With adequate risk stratification, catheter-directed techniques could be used as a therapeutic approach in the intermediate-risk PE. Ultrasound-assisted catheter-directed thrombolysis (UCDT) represents a novel endovascular technique with good clinical and safety outcomes. Ultrasound-assisted catheter-directed thrombolysis can achieve reduction in the thrombus burden and improvement of pulmonary hemodynamics and right ventricular (RV) dysfunction and/or dilatation, without major procedure-related complications, major bleeding, or hemorrhagic strokes...
September 7, 2016: Angiology
Cihangir Kaymaz, Selçuk Öztürk, Özgür Akbal, Ibrahim Halil Tanboğa, Fatih Yılmaz, Nertila Poçi, Sevim Türkday, Aykun Hakgör, Canan Yildiz, Tugba Aktemur, Nihal Özdemir, Stavros Konstantinides
We present our single-center results on ultrasound-assisted thrombolysis (USAT) in patients with pulmonary embolism (PE) at intermediate high risk (IHR) and high risk (HR). Our study consisted of 75 patients with PE who underwent USAT (60 at IHR and 15 at HR). The median time delay from symptoms to USAT was 5 days. Ultrasound-assisted thrombolysis resulted in improvements in tricuspid annular plane systolic excursion; pulmonary artery (PA) systolic and mean pressures; Qanadli score; right to left ventricle diameter ratio and right to left atrial diameter ratio; and diameters of main, right, and left PA regardless of the baseline risk status (P < ...
August 1, 2016: Angiology
Martin Olivieri, Karin Kurnik, Florian Hoffmann, Karl Reiter, Christoph Bidlingmaier, Peter Kuhlencordt, Marcus Treitl
Descending iliofemoral thrombosis in children is a rare event. Anticoagulation therapy with low-molecular-weight-heparin is standard of care. However, patency cannot be achieved in all cases, increasing the risk for rethrombosis and postthrombotic syndrome. To reduce the risk of venous valve failure in adults, local catheter-directed thrombolysis is used to reopen vessels. Two adolescent girls (17 and 15 years old) presented with acute descending iliofemoral thrombosis of the left common iliac, external, and common femoral veins...
July 2016: Pediatrics
Nathan L Liang, Rabih A Chaer, Luke K Marone, Michael J Singh, Michel S Makaroun, Efthymios D Avgerinos
OBJECTIVE: The hemodynamic benefits of catheter-directed thrombolysis for acute pulmonary embolism have not been clearly defined beyond the periprocedural period. The objective of this study is to report midterm outcomes of catheter-directed thrombolysis for treatment of acute pulmonary embolism. METHODS: Records of all patients undergoing catheter-directed thrombolysis for high- or intermediate-risk pulmonary embolism were retrospectively reviewed. Endpoints were clinical success, procedure-related complications, mortality, and longitudinal echocardiographic parameter improvement...
June 7, 2016: Vascular
Vladimir Y I G Tichelaar, Ellen E Brodin, Anders Vik, Trond Isaksen, Finn Egil Skjeldestad, Satish Kumar, Nora C Trasti, Kulbir Singh, John-Bjarne Hansen
BACKGROUND: Recent studies have suggested that catheter-directed thrombolysis (CDT) reduces development of post-thrombotic syndrome (PTS). Ultrasound-assisted CDT (USCDT) might enhance the efficiency of thrombolysis. We aimed to compare USCDT with CDT on efficacy, safety, development of PTS, and quality of life after long-term follow-up. METHODS: We describe a retrospective case series of 94 consecutive patients admitted with iliofemoral or more proximal deep vein thrombosis (DVT) to the University Hospital from 2002 to 2011, treated either with CDT or USCDT...
August 2016: Cardiovascular and Interventional Radiology
Aaron Liew, James Douketis
In patients with extensive lower limb deep vein thrombosis (DVT) that, typically, extends into the iliofemoral veins, catheter-directed thrombolysis (CDT) can achieve faster and more complete thrombus lysis as compared with systemic thrombolysis, while providing an acceptable safety profile through administration of lower doses of thrombolytic agents. Through a reduction in thrombus burden, CDT has the potential to mitigate the risk for post-thrombotic syndrome by restoring venous patency and preserving venous valve function...
2016: Expert Review of Cardiovascular Therapy
Altug Cincin, Mehmet Bozbay, Mustafa Oguz, Anil Sahin, Yiloren Tanidir, Bulent Mutlu
Pulmonary embolism is a frequent and mortal situation especially in high-risk patients. Although thrombolytics and anticoagulants are the main options in treatment, substantial portion of patients also have high bleeding risk. Therefore, new catheter-directed treatment strategies, such as ultrasound-assisted transcatheter thrombolysis, gain importance in treatment options for intermediate and high-risk patients. Here, we report a case of massive pulmonary embolism due to the iatrogenic lymphocele after a radical retropubic prostatectomy procedure...
September 2016: American Journal of Therapeutics
Tyler L Bloomer, Eric J Thomassee, Pete P Fong
BACKGROUND: The ideal treatment strategy for acute pulmonary embolism (PE) remains a subject of debate. Treatment strategies vary based on numerous factors including the clinical scenario, hemodynamic variables, PE location, and personnel who are trained in advanced PE management therapies. METHODS: Similar to an acute myocardial infarction network, we created a regional referral system called the Acute PE Network to facilitate the transport of patients with PE from referring facilities and improve access to advanced therapies...
September 2015: Critical Pathways in Cardiology
James M McCabe, Pei-Hsiu Huang, Lauren Riedl, Andrew C Eisenhauer, Piotr Sobieszczyk
The optimal treatment for intermediate-risk pulmonary embolism (PE) remains unclear. Our goal was to describe the safety and efficacy of the EkoSonic ultrasound-assisted catheter-directed thrombolysis system (EKOS Corporation, Bothell, Washington) in a real-world registry of patients with intermediate-risk PE. Fifty-three consecutive patients with intermediate-risk PE treated with ultrasound-assisted catheter-directed thrombolysis at Brigham and Women's Hospital from 2010 to 2014 were analyzed. The primary outcome was a change in directly measured pulmonary artery pressures as assessed using logistic regression with generalized estimating equations to account for serial measurements...
March 15, 2015: American Journal of Cardiology
Gerold Söffker, Stefan Kluge
Acute pulmonary embolism is an important differential diagnosis of acute chest pain. The clinical signs are often non-specific. However, diagnosis and therapy must be done quickly in order to reduce morbidity and mortality. The new (2014) European guidelines for acute pulmonary embolism (PE) focus on risk-adapted diagnostic algorithms and prognosis adapted therapy concepts. According to the hemodynamic presentation the division in a high-risk group (unstable patient with persistent hypotension or shock) or in non-high-risk groups (hemodynamically stable) was proposed...
January 2015: Deutsche Medizinische Wochenschrift
Rolf P Engelberger, David Spirk, Torsten Willenberg, Adriano Alatri, Dai-Do Do, Iris Baumgartner, Nils Kucher
BACKGROUND: For patients with acute iliofemoral deep vein thrombosis, it remains unclear whether the addition of intravascular high-frequency, low-power ultrasound energy facilitates the resolution of thrombosis during catheter-directed thrombolysis. METHODS AND RESULTS: In a controlled clinical trial, 48 patients (mean age 50 ± 21 years, 52% women) with acute iliofemoral deep vein thrombosis were randomized to receive ultrasound-assisted catheter-directed thrombolysis (N = 24) or conventional catheter-directed thrombolysis (N = 24)...
January 2015: Circulation. Cardiovascular Interventions
B C Srinivas, Soumya Patra, C M Nagesh, Babu Reddy, C N Manjunath
Catheter-directed thrombolysis (CDT) with assisted mechanical thrombolysis is now considered as the standard of medical care for deep vein thrombosis (DVT). The study was conducted to describe the immediate and long-term (6 months) safety and effectiveness of CDT in patient with lower limb DVT compared with the routine anticoagulation alone. All 12 to 85 years old patients with recent (0-8 weeks) DVT were included. In CDT group, thrombus was aspirated mechanically and streptokinase (STK) was given along with unfractionated heparin (UFH)...
December 2014: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
Anja Käberich, Simone Wärntges, Stavros Konstantinides
Venous thromboembolism (VTE), the third most frequent acute cardiovascular syndrome, may cause life-threatening complications and imposes a substantial socio-economic burden. During the past years, several landmark trials paved the way towards novel strategies in acute and long-term management of patients with acute pulmonary embolism (PE). Risk stratification is increasingly recognized as a cornerstone for an adequate diagnostic and therapeutic management of the highly heterogeneous population of patients with acute PE...
October 2014: Rambam Maimonides Medical Journal
S Patra, B C Srinivas, C M Nagesh, B Reddy, C N Manjunath
BACKGROUND: Catheter-directed thrombolysis with assisted mechanical thrombolysis is the standard of medical care for proximal deep vein thrombosis. We studied the immediate and intermediate (six months) safety and effectiveness of catheter-directed thrombolysis in patients with proximal lower limb deep vein thrombosis. METHODOLOGY: Thirty consecutive patients aged between 20 and 70 years with proximal lower limb deep vein thrombosis formed the study group. Catheter-directed thrombolysis was done with streptokinase infuse through a catheter kept in the ipsilateral popliteal vein...
August 2015: Phlebology
Guillaume Bouchoux, Ravishankar Shivashankar, Todd A Abruzzo, Christy K Holland
Ultrasound in the sub-megahertz range enhances thrombolysis and may be applied transcranially to ischemic stroke patients. The consistency of transcranial insonification needs to be evaluated. Acoustic and thermal simulations based on computed-tomography (CT) scans of 20 patients were performed. An unfocused 120-kHz transducer allowed homogeneous insonification of the thrombus, and positioning based on external landmarks performed similarly to an optimized placement based on CT data. With a weakly focused 500-kHz transducer, the landmark-based positioning underperformed...
June 2014: Ultrasound in Medicine & Biology
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