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JYMS : Journal of Yeungnam Medical Science

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3 "Anticoagulants"
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Original article
Perioperative outcomes of interrupted anticoagulation in patients with non-valvular atrial fibrillation undergoing non-cardiac surgery
Bo Eun Park, Myung Hwan Bae, Hyeon Jeong Kim, Yoon Jung Park, Hong Nyun Kim, Se Yong Jang, Jang Hoon Lee, Dong Heon Yang, Hun Sik Park, Yongkeun Cho, Shung Chull Chae
Yeungnam Univ J Med. 2020;37(4):321-328.   Published online July 16, 2020
DOI: https://doi.org/10.12701/yujm.2020.00353
  • 5,216 View
  • 98 Download
  • 1 Crossref
AbstractAbstract PDF
Background
This study aimed to investigate the incidences of and risk factors for perioperative events following anticoagulant discontinuation in patients with non-valvular atrial fibrillation (NVAF) undergoing non-cardiac surgery.
Methods
A total of 216 consecutive patients who underwent cardiac consultation for suspending perioperative anticoagulants were enrolled. A perioperative event was defined as a composite of thromboembolism and major bleeding.
Results
The mean anticoagulant discontinuation duration was 5.7 (±4.2) days and was significantly longer in the warfarin group (p<0.001). Four perioperative thromboembolic (1.85%; three strokes and one systemic embolization) and three major bleeding events (1.39%) were observed. The high CHA2DS2-VASc and HAS-BLED scores and a prolonged preoperative anticoagulant discontinuation duration (4.4±2.1 vs. 2.9±1.8 days; p=0.028) were associated with perioperative events, whereas the anticoagulant type (non-vitamin K antagonist oral anticoagulants or warfarin) was not. The best cut-off levels of the HAS-BLED and CHA2DS2-VASc scores were 3.5 and 2.5, respectively, and the preoperative anticoagulant discontinuation duration for predicting perioperative events was 2.5 days. Significant differences in the perioperative event rates were observed among the four risk groups categorized according to the sum of these values: risk 0, 0%; risk 1, 0%; risk 2, 5.9%; and risk 3, 50.0% (p<0.001). Multivariate logistic regression analysis showed that the HAS-BLED score was an independent predictor for perioperative events.
Conclusion
Thromboembolic events and major bleeding are not uncommon during perioperative anticoagulant discontinuation in patients with NVAF, and interrupted anticoagulation strategies are needed to minimize these.

Citations

Citations to this article as recorded by  
  • Bleeding risk in female patients undergoing intravesical injection of onabotulinumtoxinA for overactive bladder: a Danish retrospective cohort study
    Meryam El Issaoui, Sophia Elissaoui, Marlene Elmelund, Niels Klarskov
    International Urogynecology Journal.2023; 34(10): 2581.     CrossRef
Case Report
Diabetic ketoacidosis with pulmonary thromboembolism.
Dong Min Kim, Jeonghun Lee, Soo Min Nam, Yeon Sun Lee, Hee Moon, Kang Woo Lee, In Wook Jang
Yeungnam Univ J Med. 2014;31(2):99-102.   Published online December 31, 2014
DOI: https://doi.org/10.12701/yujm.2014.31.2.99
  • 1,860 View
  • 15 Download
AbstractAbstract PDF
Diabetic ketoacidosis (DKA), a fatal acute diabetic complication, is characterized by severe metabolic decompensation and intravascular volume depletion. These conditions may result in hypercoagulability and prothrombic state. Pulmonary thromboembolism (PTE) could be presented as an uncommon and life-threatening complication of DKA. Reported herein is a case involving a 54-year-old male patient who was admitted with DKA due to chronic alcohol consumption and stopping the intake of oral antidiabetic drugs. After low-molecular-weight heparin and warfarin treatment because of PTE during the DKA treatment, the patient's condition improved over the week that he was discharged on insulin and warfarin.
Review
Antithrombotic Therapy for Ischemic Stroke.
Jung Sang Hah, Jun Lee
Yeungnam Univ J Med. 2003;20(1):1-12.   Published online June 30, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.1.1
  • 1,404 View
  • 0 Download
AbstractAbstract PDF
Ischemic stroke is among the principal causes of death and disability in the elderly. Although control of blood pressure, decreased cigarette smoking, and modified dietary habits are among important reasons for stroke decline, the use of antithrombotic therapy, rigorously prescribed. Several antiplatelet agents are approved to reduce the risk of recurrent stroke. Aspirin is the best-studied and most widely used antiplatelet agent for stroke prevention; it provides approximately 15% to 25% relatively risk reduction for secondary prevention of stroke or the major vascular death. Combining 2 antiplatelet agents with different mechanism of action was demonstrated to provide a substantial increase in efficacy in several studies. Anticoagulation should be considered first with potential cardiac sources of embolism. Heparin reduces development of erythrocyte-fibrin thrombi that form in regions of vascular stasis especially within the heart, in severely stenosed arteries sometimes engrafted on white thrombi, in acute arterial occlusion. Heparin should not be indiscriminately given to all acute brain ischemia patients, but may contribute to treatment of large artery occlusion and severe stenosis, cardiogenic embolism with a high acute recurrence risk, and dural sinus and cerebral venous thromobosis.

JYMS : Journal of Yeungnam Medical Science