Read by QxMD icon Read

Anticoagulation cardiac surgery

Florian Falter, Nabeel Razzaq, Martin John, Jens Fassl, Markus Maurer, Sean Ewing, Ross Hofmeyr
Unfractionated heparin is the mainstay of anticoagulation during cardiac surgery on cardiopulmonary bypass (CPB) due to its low cost, quick onset, and ease of reversal. Since over 30 years, the activated clotting time (ACT) has been used to assess the level of heparin activity both before and after CPB. We compared two different methods of measuring the ACT: i-STAT, which uses amperometric detection of thrombin cleavage, and Hemochron Jr, which is based on detecting viscoelastic changes in blood. We included 402 patients from three institutions (Papworth Hospital, Cambridge, UK; Groote Schuur, Cape Town, South Africa; University Hospital Basel, Basel, Switzerland) undergoing elective cardiac surgery on CPB in our study...
March 2018: Journal of Extra-corporeal Technology
Tatsuya Seki, Yasushige Shingu, Hiroshi Sugiki, Satoru Wakasa, Hiroki Katoh, Tomonori Ooka, Tsuyoshi Tachibana, Suguru Kubota, Yoshiro Matsui
Antiphospholipid syndrome (APS) is a complex autoimmune disease often related to systemic lupus erythematosus. Although adequate anticoagulation is important for APS patients during cardiopulmonary bypass, clotting tests can be potentially misleading due to antiphospholipid antibodies. We performed cardiac surgery safely in two APS patients under anticoagulation monitoring determined using preoperative heparin titration. We performed heparin titration for activated clotting time to determine the appropriate heparin concentration during cardiac surgery...
March 14, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
Orçun Çiftci, Kerem Can Yılmaz, Atilla Sezgin, Mehmet Bülent Özin, İbrahim Haldun Müderrisoğlu, Mehmet Haberal
OBJECTIVES: Cardiac implantable electrical devices are widely used for patients with advanced heart failure and are usually explanted during orthotopic heart transplant. However, lead fragments and the pulse generator are sometimes left after the procedure. Given the concerns of infectious and thromboembolic complications, their removal is recommended. Herein, we report our experience with cardiac implantable electrical device explantation after orthotopic heart transplant. MATERIALS AND METHODS: We included recipients of heart transplants performed at Başkent University Faculty of Medicine, Department of Cardiovascular Surgery, who underwent lead and pulse generator explantation by manual traction between January 2012 and June 2017...
March 2018: Experimental and Clinical Transplantation
Takeshi Omae, Eiichi Inada
New-onset atrial fibrillation (NOAF) is the most common perioperative complication of heart surgery, typically occurring in the perioperative period. NOAF commonly occurs in patients who are elderly, or have left atrial enlargement, or left ventricular hypertrophy. Various factors have been identified as being involved in the development of NOAF, and numerous approaches have been proposed for its prevention and treatment. Risk factors include diabetes, obesity, and metabolic syndrome. For prevention of NOAF, β-blockers and amiodarone are particularly effective and are recommended by guidelines...
March 9, 2018: Journal of Anesthesia
Alyssa Kirby, Sisira Jayathissa
BACKGROUND: Atrial fibrillation (AF) is a common arrhythmia encountered perioperatively in patients undergoing non-cardiac surgery. There is emerging evidence suggesting high risk of ischaemic stroke. There are no clear guidelines surrounding initiation of anticoagulation in this setting. This study evaluates current practice in anticoagulant management of new perioperative AF at Hutt Hospital. METHODS: We have undertaken a retrospective study of 3,558 patients aged 60 years and over admitted for non-cardiac surgery at Hutt Hospital in 2014, to assess incidence of new AF/flutter and review how they were managed in regards to anticoagulation...
March 9, 2018: New Zealand Medical Journal
María Elena Arnáiz-García, Jose María González-Santos, Javier López-Rodríguez, Ana María Arnáiz-García, Javier Arnáiz
Postoperative bleeding with its important socioeconomic cost is associated with an increased morbidity and mortality. It causes hemodynamic instability, increases blood loss, and multiplies the number of transfusions required. Especially in vascular or aortic surgery, postoperative bleeding can become a life-threatening complication due to anticoagulant or antiaggregation preoperative status or postoperative coagulation dysfunction after a high level of heparinization. Presently described is the case of a patient who underwent an aortic valve and ascending aorta replacement...
March 2018: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Andrew Maslow, Alison Chambers, Tracey Cheves, Joseph Sweeney
OBJECTIVE: Adequate anticoagulation, measured using activated clotting time (ACT), is important during vascular and cardiac surgeries. Unfractionated heparin is the most common anticoagulant used. The purpose of this analysis was to compare the i-STAT ACT (iACT) to the Hemochron ACT (hACT), both of which were then compared to anti-factor Xa (anti-Xa) assay, a representation of heparin level and activity. DESIGN: Prospective study. SETTING: Tertiary care cardiovascular center...
January 31, 2018: Journal of Cardiothoracic and Vascular Anesthesia
JaBaris D Swain, Colleen Sinnott, Suellen Breakey, Rian Hasson Charles, Gita Mody, Napthal Nyirimanzi, Ceeya Patton-Bolman, Patricia Come, Gapira Ganza, Emmanuel Rusingiza, Nathan Ruhamya, Joseph Mucumbitsi, Jorge Borges, Martin Zammert, Jochen D Muehlschlegel, Robert Oakes, Bruce Leavitt, R Morton Bolman
OBJECTIVE: Despite its near complete eradication in resource-rich countries, rheumatic heart disease remains the most common acquired cardiovascular disease in sub-Saharan Africa. With a ratio of physicians/population of 1 per 10,500, including only 4 cardiologists for a population of 11.4 million, Rwanda represents a resource-limited setting lacking the local capacity to detect and treat early cases of strep throat and perform lifesaving operations for advanced rheumatic heart disease...
February 27, 2018: Journal of Thoracic and Cardiovascular Surgery
Andrew T Strong, Gautam Sharma, Zubaidah Nor Hanipah, Chao Tu, Stacy A Brethauer, Philip R Schauer, Derrick Cetin, Ali Aminian
BACKGROUND: Warfarin dosing after bariatric surgery may be influenced by alterations in gastrointestinal pH, transit time, absorptive surface area, gut microbiota, food intake, and adipose tissue. OBJECTIVES: The aim of this study was to describe trends in warfarin dosing after Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG). SETTING: Single academic center. METHODS: All patients chronically on warfarin anticoagulation before RYGB or SG were retrospectively identified...
January 2, 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Kenzaburou Sugimoto, Mamoru Kadosaki, Atsushi Egawa, Rina Tokitou, Miho Urayama, Mamoru Takeuchi
Protein S deficiency patient is characterized by recurrent thrombosis, and its risk is higher intraoperatively, especially in cardiac surgery involving cardiopulmonary bypass. Two heparin cessation periods are defined in cardiac surgery. One is the period between the cessation of heparin 4 to 5 h before surgery and the heparinization prior to cardiopulmonary bypass. The other is the period between protamine administration and resumption of heparin postoperatively. Because the risk of thromboembolism is high during the period of heparin cessation, other anticoagulants are necessary...
2018: JA Clin Rep
Montaser Elsawy Abd Elaziz, Amr Mohammad Allama
Temporary pacemaker wires are usually inserted in patients after valve replacement and may be beneficial for optimizing myocardial function in patients that develop postoperative hemodynamically significant arrhythmias [Elmi 2002]. Indications for temporary cardiac pacing (TCP) are atrial, ventricular or atrioventricular pacing for bradyarrhythmias and for management of both atrial and ventricular tachyarrhythmias [De Belder 1990; Liebold 1998].Pacemaker wires have two ends - one end has a small needle, which is passed into the myocardial surface, then is cut off...
February 19, 2018: Heart Surgery Forum
Rui Wu, Yiwei Kong, Jianyong Yin, Rulian Liang, Zeyuan Lu, Niansong Wang, Qing Zhao, Yang Zhou, Chungen Yan, Feng Wang, Mingyu Liang
BACKGROUND/AIMS: Antithrombin Ⅲ (AT Ⅲ) is an important endogenous anticoagulant and has strong anti-inflammatory properties. Low ATⅢ activity is considered to be a predictor of poor outcomes in several conditions, including acute kidney injury after cardiac surgery. However, the association between the ATⅢ level and the occurrence of contrast induced nephropathy (CIN) has not been elucidated. In this study, our aim was to identify the potential predictive value of ATⅢ for CIN...
February 16, 2018: Kidney & Blood Pressure Research
Cynthia Wong
A 47-year-old woman presented to her GP (general practitioner) surgery with a left leg pain of 4 days duration after a recent 4-hour flight. She was taking the oral combined contraceptive pill and had no past medical history. She had a low predictive Wells score for deep vein thrombosis, but her D-dimer was positive, so she had a proximal lower limb vein ultrasound scan as per the National Institute for Clinical Excellence guidelines, which was negative. Two days later, she presented to the emergency department with a collapse and dyspnea...
January 2018: Journal of Investigative Medicine High Impact Case Reports
Nathan A Franklin, Ashley Ali, Richard K Hurley, Hassan R Mir, Michael J Beltran
OBJECTIVE: Evaluate the pre-hospital use of Direct Oral Anticoagulant (DOAC) agents on the outcomes of early surgical fixation of a geriatric hip fracture. DESIGN: Case-Control. SETTING: Two academic level 1 trauma centers. INTERVENTION: Early (<48h) surgical fixation of a geriatric proximal femur fracture. PATIENTS: 19 patients receiving Pradaxa (Dabigatran), Eliquis (Apixaban), or Xarelto (Rivaroxaban) who underwent surgery between 2010 and 2015 and 74 control patients...
February 9, 2018: Journal of Orthopaedic Trauma
Shihoko Okabayashi, Satoru Ogawa, Kenichi A Tanaka, Takashi Nishiyama, Shusuke Takeshita, Yoshinobu Nakayama, Yasufumi Nakajima, Teiji Sawa, Toshiki Mizobe
OBJECTIVE: Point-of-care (POC) devices allow for prothrombin time/international normalized ratio (PT/INR) testing in whole blood (WB) and timely administration of plasma or prothrombin complex concentrate during cardiopulmonary bypass surgery. This study evaluated the sensitivities of a new POC PT test, a dry-hematology method with heparin neutralization technology (DRIHEMATO PT-S [DRI PT-S]; A&T Corporation, Kanagawa, Japan), and compared it with other POC tests currently available. DESIGN: Prospective, observational study...
December 29, 2017: Journal of Cardiothoracic and Vascular Anesthesia
Mohamad A Hussain, Aziz S Alali, Muhammad Mamdani, Jack V Tu, Gustavo Saposnik, Konard Salata, Avery B Nathens, Charles de Mestral, Deepak L Bhatt, Subodh Verma, Mohammed Al-Omran
OBJECTIVE Intracranial hemorrhage (ICH) associated with cerebral hyperperfusion syndrome is a rare but major complication of carotid artery revascularization. The objective of this study was to compare the rate of ICH after carotid artery stenting (CAS) with that after endarterectomy (CEA). METHODS The authors performed a retrospective population-based cohort study of patients who underwent carotid artery revascularization in the province of Ontario, Canada, between 2002 and 2015. The primary outcome was the rate of ICH that occurred within 90 days after carotid artery intervention among patients who underwent CAS versus that of those who underwent CEA...
February 2, 2018: Journal of Neurosurgery
Dong Il Chun, Sanghyeon Lee, Sung Hun Won, Jaeho Cho
RATIONALE: The operative procedure for Achilles tendon rupture is relatively simple, but venous thromboembolism is serious complication with a high incidence after Achilles tendon rupture. However, the guideline for thromboprophylaxis in Achilles tendon rupture is unclear. PATIENT CONCERNS: The patient was 32-year-old male and underwent Achilles tendon open repair surgery. He was healthy and there are no abnormal findings other than Achilles tendon rupture. At 3 weeks after operation, the episode of loss of consciousness with convulsive movement occurred...
November 2017: Medicine (Baltimore)
Martin H J Wiesen, Cornelia Blaich, Max Taubert, Veronika Jennissen, Thomas Streichert, Roman Pfister, Guido Michels
PURPOSE: Patients treated with direct oral anticoagulants (DOACs) frequently undergo interventional procedures requiring temporary discontinuation of anticoagulant therapy. Little is known about remaining peri-procedural exposure to rivaroxaban in real-world patients. METHODS: Fifty-six patients with rivaroxaban treatment and scheduled cardiac catheterization were included in this prospective, observational, and single-center study. Rivaroxaban concentrations were determined by LC-MS/MS and a chromogenic anti-Xa assay...
January 28, 2018: European Journal of Clinical Pharmacology
Daniel J Friedman, Jonathan P Piccini, Tongrong Wang, Jiayin Zheng, S Chris Malaisrie, David R Holmes, Rakesh M Suri, Michael J Mack, Vinay Badhwar, Jeffrey P Jacobs, Jeffrey G Gaca, Shein-Chung Chow, Eric D Peterson, J Matthew Brennan
Importance: The left atrial appendage is a key site of thrombus formation in atrial fibrillation (AF) and can be occluded or removed at the time of cardiac surgery. There is limited evidence regarding the effectiveness of surgical left atrial appendage occlusion (S-LAAO) for reducing the risk of thromboembolism. Objective: To evaluate the association of S-LAAO vs no receipt of S-LAAO with the risk of thromboembolism among older patients undergoing cardiac surgery...
January 23, 2018: JAMA: the Journal of the American Medical Association
Hua He, Bingbing Ke, Yan Li, Fuheng Han, Xiaodong Li, Yujie Zeng
The purpose of this study is to evaluate the efficacy and safety of novel oral anticoagulant (NOAC) versus warfarin therapy in patients undergoing different operations. We performed a systematic review of MEDLINE, EMBASE, Cochrane Controlled Trials Register, and reports presented at scientific meetings. The efficacy and safety of NOACs during the perioperative period was compared to that using warfarin. Of the 2652 studies initially reviewed, we identified 9 that included 15,880 patients for the meta-analysis...
January 17, 2018: Journal of Thrombosis and Thrombolysis
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"