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Anticoagulation management prior to procedures

Nicole A Lamparello, Vijay Jaswani, Keith DeSousa, Maksim Shapiro, Sandor Kovacs
We present a case of a 41-year-old man with symptomatic pulmonary cement embolism following percutaneous vertebral augmentation, which was successfully retrieved via a percutaneous endovascular approach, a novel technique with only two prior cases reported. Cement leakage, including venous embolization of cement into the cardiopulmonary circulation, is a known potential complication following percutaneous kyphoplasty and vertebroplasty. While many patients with pulmonary cement embolism are asymptomatic and likely go undiagnosed, others experience respiratory distress and hemodynamic compromise requiring surgical and medical intervention...
July 2016: Journal of Radiology Case Reports
R Thuret, F Kleinclauss, N Terrier, G Karam, M O Timsit
OBJECTIVES: To describe kidney transplantation surgical techniques and to propose strategies in high-risk recipients. MATERIAL AND METHODS: Relevant publications were identified through Medline ( and Embase ( database using the following keywords, alone or in association, "renal transplantation; peripheral arterial disease; obesity; third and fourth transplantation; robotic-assisted kidney transplant; anticoagulant therapy; dual kidney transplant"...
October 6, 2016: Progrès en Urologie
Monjur Ahmed
As the number of diagnostic and therapeutic gastrointestinal endoscopies is increasing, and there is an increase in number of patients taking blood thinners, we are seeing more and more patients on blood thinners prior to endoscopic procedures. Gastrointestinal bleeding or thromboembolism can occur in this category of patients in the periendoscopic period. To better manage these patients, endoscopists should have a clear concept about the various blood thinners in the market. Patients' risk of thromboembolism off anticoagulation, and the risk of bleeding from endoscopic procedures should be assessed prior to endoscopy...
September 16, 2016: World Journal of Gastrointestinal Endoscopy
Jinhua Zhang, Lihong Tian, Jinlong Huang, Sihan Huang, Tingting Chai, Jianzhen Shen
AIM: To assess the effect of Cytochrome P450 2C9 (CYP2C9) gene polymorphism on pediatric warfarin maintenance dosage requirement. METHODS: A previously developed search strategy was conducted in PubMed, EMBASE, and the Cochrane Library. Eligible studies published prior to January 27, 2016, were identified and compared against strict inclusion/exclusion criteria. Required data were extracted, and researchers were consulted for additional data if needed. Review Manager Version 5...
September 23, 2016: Cardiovascular Therapeutics
Natalie Swergold, Steven Kozusko, Carlos Rivera, Cindy Sturt
INTRODUCTION: To our knowledge the most recent article on celiac dissection was published in 2015 and reported 24 known cases of spontaneous isolated celiac trunk dissection [2]. While some of those cases reported hypertension as a risk factor, no other case presents as hypertensive emergency with an isolated celiac artery dissection. PRESENTATION OF CASE: A 43 year-old man with a past medical history of uncontrolled hypertension, for which he had reportedly been non-compliant with follow-up, presented with complaints of severe, sudden-onset epigastric pain which was non-radiating and constant for 1 hour prior to arrival...
2016: International Journal of Surgery Case Reports
Kurt D Piggott, Grace George, Harun Fakioglu, Carlos Blanco, Sukumar Saguna Narasimhulu, Kamal Pourmoghadam, Hamish Munroe, William Decampli
AIM: To investigate and describe our current institutional management protocol for single-ventricle patients who must undergo a Ladd's procedure. METHODS: We retrospectively reviewed the charts of all patients from January 2005 to March 2014 who were diagnosed with heterotaxy syndrome and an associated intestinal rotation anomaly who carried a cardiac diagnosis of functional single ventricle and were status post stage I palliation. A total of 8 patients with a history of stage I single-ventricle palliation underwent Ladd's procedure during this time period...
August 8, 2016: World Journal of Clinical Pediatrics
Kaylee K Marino, Raul A Santiago, Richard B Dew, Nancy Berliner, Jean M Connors, Nathan T Connell, John Kevin Tucker
Vitamin K antagonists have been a mainstay of treatment for patients requiring anticoagulation for atrial fibrillation, but direct oral anticoagulants, such as dabigatran, have become increasingly prescribed. Compared with warfarin, dabigatran has a significantly lower risk of life-threatening bleeding; however, bleeding events can still occur, supporting the need for effective reversal strategies. Idarucizumab was recently approved by the U.S. Food and Drug Administration to reverse the anticoagulant effects of dabigatran when life-threatening bleeding occurs or an urgent need for an invasive medical procedure exists...
October 2016: Pharmacotherapy
Adam C Calaway, Michael S Borofsky, Casey A Dauw, James E Lingeman
Definitive management of acute cholecystitis or symptomatic cholelithiasis in exceedingly high-risk patients remains a clinical dilemma. In certain cases, treatment through a percutaneous approach following standard techniques and principles similar to those of percutaneous nephrolithotomy may be considered. However, one potential challenge, particularly among a high-risk population, is the possible necessity to stay on obligate anticoagulation for pre-existing medical reasons. To date, there have been no prior reports documenting the role of this procedure in patients on systemic anticoagulation, particularly clopidogrel...
2016: J Endourol Case Rep
Thomas Maria Helms, Sigmund Silber, Andreas Schäfer, Florian Masuhr, Frederick Palm, Harald Darius, Karsten Schrör, Dietmar Bänsch, Peter Bramlage, Johannes Hankowitz, Christoph A Karle, Tom Stargardt, Joachim Weil, Johann Christoph Geller
With the introduction of edoxaban last year in Germany, four nonvitamin K antagonist oral anticoagulants are now available for stroke prevention in patients with nonvalvular atrial fibrillation. These novel oral anticoagulants (NOAC) represent an attractive new option compared to vitamin K antagonists (e.g., warfarin or phenprocoumon) due to simple use and fewer interactions with other drugs or food. Therefore, no INR monitoring and dosage adjustments are required for NOAC. The compelling clinical advantage of NOAC is the dramatic risk reduction of hemorhagic stroke and intracranial bleeding compared to current standard...
September 2016: Herzschrittmachertherapie & Elektrophysiologie
Geoffrey D Barnes, Brian Kurtz
Since 2009, four direct oral anticoagulants (DOACs) have been introduced for treatment of venous thromboembolism and stroke prevention in non-valvular atrial fibrillation. While they are currently first-line therapy for a majority of patients, there are a number of clinical situations where warfarin is preferable. In both randomised trials and real-world populations, use of DOACs significantly reduces the risk of intracranial haemorrhage as compared with warfarin. While drug-specific reversal agents are currently only available for dabigatran, andexanet alpha is pending approval for reversal of factor Xa inhibitors, reducing concerns about major bleeding for many patients and providers...
October 15, 2016: Heart: Official Journal of the British Cardiac Society
Prateek Agarwal, Ashwin G Ramayya, Kalil G Abdullah, Nikhil Nayak, Timothy H Lucas
INTRODUCTION: Reversal of anticoagulation is required to mitigate the risk of intracranial bleeding before urgent neurosurgical procedures. New pharmacological agents, such as multifactor prothrombin complex concentrate (PCC; Kcentra), promise rapid efficacy but may raise the probability of thrombotic complications above vitamin K infusion or administration of fresh frozen plasma (FFP). In this study, we examined the rate of thrombotic complications in neurosurgical patients who received either PCC or FFP and Vitamin K before undergoing urgent surgery...
August 2016: Neurosurgery
Ahmed AlTurki, Riccardo Proietti, David H Birnie, Vidal Essebag
Anticoagulants are commonly used drugs that are frequently encountered during device placement. Deciding when to halt or continue the use of anticoagulants is a balance between the risks of thromboembolism versus bleeding. Patients taking warfarin with a high risk of thromboembolism should continue to take their warfarin without interruption during device placement while ensuring their international normalized ratio remains below 3. For patients who are taking warfarin and have low risk of thromboembolism, either interrupted or continued warfarin may be used, with no evidence to clearly support either strategy...
June 2016: Journal of Arrhythmia
Andrew J Borrie, Brecon H Wademan
AIM: Surgical ablation for atrial fibrillation has been performed at Wellington hospital for 10 years. This audit aims to evaluate the outcomes from surgical intervention for atrial fibrillation and identify variables affecting clinical results. METHOD: A retrospective audit of clinical outcomes was performed including all patients who had received surgical intervention for atrial fibrillation from 2004 to 2013. RESULTS: Forty-seven patients who underwent surgical intervention for atrial fibrillation were identified and reviewed...
2016: New Zealand Medical Journal
Roland Tilz, Serge Boveda, Jean-Claude Deharo, Dan Dobreanu, Kristina H Haugaa, Nikolaos Dagres
The aim of this EP Wire was to assess the management, indications, and techniques for implantable cardioverter defibrillator (ICD) and cardiac resynchronization therapy (CRT) device replacement in Europe. A total of 24 centres in 14 European countries completed the questionnaire. All centres were members of the European Heart Rhythm Association Electrophysiology Research Network. Replacement procedures were performed by electrophysiologists in 52% of the centres, by cardiologists in 33%, and both in the remaining centres...
June 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Natasha A Kassim, Andrew D Althouse, Dingxin Qin, George Leef, Samir Saba
BACKGROUND: Prior research has identified gender differences in the epidemiology and clinical management of atrial fibrillation (AF). The primary aim of this study is to systematically analyze a cohort of AF men and women and evaluate their baseline demographics, treatment, and clinical outcomes by gender. METHODS: We examined the records of 5976 (42% women) consecutive AF patients who were prescribed at least one anti-arrhythmic drug between 2006 and 2013. From this cohort, 4311 (72%) patients had anticoagulation data available and were included in the final analysis...
June 1, 2016: Journal of Cardiology
S Atallah, G K Maharaja, B Martin-Perez, J P Burke, M R Albert, S W Larach
BACKGROUND: Approximately one in five persons living in the USA is maintained on oral anticoagulation. It has typically been recommended that anticoagulation be withheld prior to hemorrhoidal procedures. Transanal hemorrhoidal dearterialization (THD) is a minimally invasive treatment for symptomatic hemorrhoids, and outcomes with patients on anticoagulation who have undergone this procedure have not been previously reported. Here, we report our preliminary results of patients who underwent THD while on anticoagulation...
July 2016: Techniques in Coloproctology
Ramsin M Benyamin, Ricardo Vallejo, Victor Wang, Nitesh Kumar, David L Cedeño, Anobel Tamrazi
BACKGROUND: Perioperative management of patients on anticoagulant therapy prior to interventional pain procedures creates a challenge when balancing the risk of bleeding against thromboembolic events. CASE REPORT: We report a case of epidural hematoma formation in the cervical spine following interlaminar epidural steroid injection in an elderly woman with chronic neck and arm pain, who was on clopidogrel therapy. CONCLUSIONS: This is the first reported case of hematoma formation immediately following an epidural steroid injection possibly associated with clopidogrel, even though established guidelines on the timing of the discontinuation of clopidogrel prior to the procedure were exceeded...
May 2016: Regional Anesthesia and Pain Medicine
Patrick A Stone, Stephanie N Thompson, Brent Hanson, David Masinter
OBJECTIVE: A plethora of papers have been written regarding postcatheterization femoral pseudoaneurysms. However, literature is lacking on pseudoaneurysmal management in patients undergoing coronary artery bypass grafting (CABG). Thus, we examined if pseudoaneurysms with subsequent CABG can be managed with the same strategies as those not exposed to the intense anticoagulation accompanying CABGs. METHODS: During a 14-year study period, we retrospectively examined femoral iatrogenic pseudoaneurysms (IPSAs) diagnosed postheart catheterization in patients having a subsequent CABG...
May 2016: Vascular and Endovascular Surgery
Shivanshu Madan, Purushothaman Muthusamy, Katie L Mowers, Darryl A Elmouchi, Bohuslav Finta, Andre J Gauri, Alan K Woelfel, Timothy D Fritz, Alan T Davis, Nagib T Chalfoun
BACKGROUND: The optimal strategy of peri-procedural anticoagulation in patients undergoing permanent cardiac device implantation is controversial. Our objective was to compare the major bleeding and thromboembolic complications in patients managed with uninterrupted warfarin (UW) vs. interrupted dabigatran (ID) during permanent pacemaker (PPM) or implantable cardioverter defibrillators (ICD) implantation. METHODS: A retrospective cohort study of all eligible patients from July 2011 through January 2012 was performed...
February 2016: Cardiovascular Diagnosis and Therapy
Michael J Redrup, Harue Igarashi, Jay Schaefgen, Jenny Lin, Lisa Geisler, Mohamed Ben M'Barek, Subramanian Ramachandran, Thales Cardoso, Vera Hillewaert
The importance of appropriate sample management in regulated bioanalysis is undeniable for clinical and non-clinical study support due to the fact that if the samples are compromised at any stage prior to analysis, the study results may be affected. Health authority regulations do not contain specific guidance on sample management; therefore, as part of the Global Bioanalysis Consortium (GBC), the A5 team was established to discuss sample management requirements and to put forward recommendations. The recommendations from the team concern the entire life span of the sample and include the following: 1...
March 2016: AAPS Journal
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