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Zhou Q, Liu X, Yang X, Huang XH, Wu YZ, Tao YY, Wei M. Effectiveness and safety of short-term anticoagulant regimens after left atrial appendage occlusion: A systematic review and meta-analysis. Thromb Res 2024; 233:88-98. [PMID: 38035647 DOI: 10.1016/j.thromres.2023.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/12/2023] [Accepted: 10/24/2023] [Indexed: 12/02/2023]
Abstract
INTRODUCTION Left atrial appendage occlusion (LAAO) provides an alternative for poor candidates of long-term oral anticoagulant (OAC) therapy; however, anticoagulant therapy after surgical procedures has limited use due to associated uncertainties. We aimed to evaluate the effectiveness and safety of the short-term use of direct oral anticoagulant (DOAC) and warfarin after LAAO. METHOD Electronic databases such as PubMed, Embase, Medline, and Cochrane Library databases were searched up to November 11, 2022. Our study compared DOAC therapy and warfarin in patients after LAAO. A meta-analysis was conducted with the Review Manager software (version 5.4). RESULTS The meta-analysis included 13 cohort studies with a total of 32,607 patients. Our findings indicated that the incidence of stroke/TIA/SE, peri-device leaks>5 mm, device-related thrombosis, and all-cause mortality were not significantly different between the two groups after LAAO (P > 0.05). The DOAC group had a significantly lower incidence of major bleeding (OR = 0.83, 95 % CI: 0.74-0.94, P = 0.003), any bleeding (OR = 0.34, 95 % CI: 0.23-0.51, P < 0.001), stroke/TIA/SE and major bleeding (OR = 0.57, 95 % CI: 0.34-0.95, P = 0.03), and any major adverse event (OR = 0.89, 95 % CI:0.82-0.97, P = 0.010) than the warfarin group. The subgroup analysis revealed that the rate of stroke/TIA/SE was similar in the two groups in terms of the different regions, follow-up time, study type, anticoagulant strategy, and bleeding risk. The incidence of major bleeding in the DOAC group was significantly lower than that in the warfarin group in North America, as well as at follow-up period ≤6 months, retrospective cohort, HAS-BLED average score ≥ 3. In addition, the risk of major bleeding was higher with the combination of OAC and single antiplatelet therapy (SAPT) than with OAC alone. Finally, in the North American region, retrospective cohort, and HAS-BLED average score ≥ 3, the incidence of any serious adverse event in the DOAC group was still significantly lower than that in the warfarin group. CONCLUSION Compared to warfarin, DOAC reduced the risk of major bleeding and any serious adverse event in patients after LAAO. This advantage was particularly notable in North America and high-risk populations for bleeding. In addition, the incidence of device-related thrombosis, peri-device leaks, stroke/TIA/SE and all-cause mortality were similar in both groups. The risk of major bleeding was lower in patients taking OAC alone compared with those taking OAC plus SAPT, without increasing the risk of thrombosis.
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Perreault S, Boivin Proulx LA, Lenglet A, Massy ZA, Dorais M. Effectiveness and safety of apixaban and rivaroxaban vs warfarin in patients with atrial fibrillation and chronic kidney disease. World J Nephrol 2023; 12:132-146. [PMID: 38230301 PMCID: PMC10789087 DOI: 10.5527/wjn.v12.i5.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/26/2023] [Accepted: 09/26/2023] [Indexed: 12/22/2023] Open
Abstract
BACKGROUND Randomized controlled trials (RCTs) of direct oral anticoagulants (DOACs) included a low proportion of atrial fibrillation (AF) patients with chronic kidney disease (CKD), and suggested that DOACs are safe and effective in patients with mild-to-moderate CKD. In a metanalysis of RCTs and observational studies, DOACs were associated with better efficacy (vs warfarin) in early CKD and had similar efficacy and safety profiles in patients with stages IV-V CKD. But few studies have provided data on the safety and effectiveness of each DOAC vs warfarin in patients with stage III CKD. The effectiveness and safety of DOACs in those patients are still subject to debate. AIM To assess and compare the effectiveness and safety of apixaban and rivaroxaban vs warfarin in this patient population. METHODS A cohort of patients with an inpatient or outpatient code for AF and stage III CKD who were newly prescribed apixaban and rivaroxaban was created using the administrative databases from the Quebec province of Canada between 2013 and 2017. The primary effectiveness outcome was a composite of ischemic stroke, systemic embolism, and death, whereas the primary safety outcome was a composite of major bleeding within a year of DOAC vs warfarin initiation. Treatment groups were compared in an under-treatment analysis using inverse probability of treatment weighting and Cox proportional hazards. RESULTS A total of 8899 included patients filled out a new oral anticoagulation therapy claim; 3335 for warfarin and 5564 for DOACs. Compared with warfarin, 15 mg and 20 mg rivaroxaban presented a similar effectiveness and safety composite risk. Apixaban 5.0 mg was associated with a lower effectiveness composite risk [Hazard ratio (HR) 0.76; 95% confidence interval (CI): 0.65-0.88] and a similar safety risk (HR 0.94; 95%CI: 0.66-1.35). Apixaban 2.5 mg was associated with a similar effectiveness composite (HR 1.00; 95%CI: 0.79-1.26) and a lower safety risk (HR 0.65; 95%CI: 0.43-0.99. Although, apixaban 5.0 mg was associated with a better effectiveness (HR 0.76; 95%CI: 0.65-0.88), but a similar safety risk profile (HR 0.94; 95%CI: 0.66-1.35). The observed improvement in the effectiveness composite for apixaban 5.0 mg was driven by a reduction in mortality (HR 0.61; 95%CI: 0.43-0.88). CONCLUSION In comparison with warfarin, rivaroxaban and apixaban appear to be effective and safe in AF patients with stage III CKD.
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Chan SHK, Sin PSL, Lee MKY, Fong WC, Cheung CY, Lee CP, Leung WYS, Chu KKY, Cheung YT. Development and validation of the Chinese oral anticoagulants knowledge tool (C-OAKT): A pilot study. PEC INNOVATION 2023; 3:100210. [PMID: 37727699 PMCID: PMC10505667 DOI: 10.1016/j.pecinn.2023.100210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 08/27/2023] [Accepted: 09/04/2023] [Indexed: 09/21/2023]
Abstract
Objective To develop and validate an oral anticoagulant knowledge tool for Chinese-speaking patients treated with warfarin or direct oral anticoagulants (DOACs) in Hong Kong. Method This pilot validation study consisted of the following three phases: (1) the development of a knowledge tool and content validity assessment; (2) a pilot study of 200 participants, consisting of 100 patients taking warfarin or DOACs, 50 pharmacists, and 50 members of the general public; and (3) known-group validity and reliability assessments. Results A 19-item "Chinese Oral Anticoagulants Knowledge Tool (C-OAKT)" was developed with a scale content validity index of 0.95. The mean score for known-group validity was significantly higher in the pharmacist group than the patient groups, and the patient groups scored significantly higher than the general public (mean ± standard deviation [SD] = 90.00 ± 7.11 vs. 51.55 ± 17.49 vs. 19.0 ± 15.42, respectively; p < 0.001). The mean score was higher for patients who attended a pharmacist-managed anticoagulant therapy management clinic (PAC) than for non-PAC patients (mean ± SD = 56.80 ± 13.60 vs. 46.30 ± 9.43; p = 0.004). An analysis of internal consistency showed a Cronbach's alpha value of 0.86. Conclusion The results of the pilot validation study suggested that the C-OAKT is a valid and reliable instrument for assessing patients' knowledge of oral anticoagulants in ambulatory care settings. Innovations This is the first validated Chinese version of an anticoagulant knowledge assessment tool. This tool will be utilized in public hospitals in Hong Kong, and will facilitate future research exploring the relationship between anticoagulant knowledge and patient-related outcomes.
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van der Horst SFB, van Rein N, van Mens TE, Huisman MV, Klok FA. Inappropriate prescriptions of direct oral anticoagulants (DOACs) in hospitalized patients: A narrative review. Thromb Res 2023; 231:135-140. [PMID: 37005194 DOI: 10.1016/j.thromres.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023]
Abstract
Direct oral anticoagulants (DOACs) have become the cornerstone for prevention of thromboembolic events in patients with atrial fibrillation and patients with a history of venous thromboembolism. However, studies show that DOAC prescriptions are commonly inconsistent with guideline recommendations. DOAC dosing in the acutely ill patient could impose an even greater challenge. In this review, we describe the prevalence of inappropriate inpatient prescribing of DOACs and the associated rationales, predictors and clinical consequences. With the aim of promoting appropriate prescriptions of DOACs to hospitalized patients, we further outline DOAC dose reduction criteria justified by various guidelines, illustrating the complexities of appropriate dosing, especially in acutely ill patients. Moreover, we will discuss the impact of anticoagulant stewardship programs and the vital role that pharmacists may play in optimizing inpatient DOAC treatment.
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Atwater BD, Di Fusco M, Keshishian A, Delinger R, Ferri M, Jiang J, Seigel L, Yuce H, Guo JD. Geographic variation in clinical outcomes and anticoagulation among medicare beneficiaries with non-valvular atrial fibrillation. J Thromb Thrombolysis 2023; 56:626-634. [PMID: 37530954 PMCID: PMC10550860 DOI: 10.1007/s11239-023-02855-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/15/2023] [Indexed: 08/03/2023]
Abstract
Oral anticoagulants (OACs) have been used to prevent stroke/systemic embolism (SE) among patients with non-valvular atrial fibrillation (NVAF). To evaluate baseline clinical characteristics, incidence rates of stroke/SE and hospitalization for bleeding, and OAC use among elderly patients with NVAF in the US by geographic region. Patients with NVAF were selected from the US Centers for Medicare & Medicaid Services claims database (01JAN2013-31DEC2016). Twelve months of health plan enrollment was required before and after the NVAF diagnosis to evaluate baseline characteristics and outcomes, respectively. Each patient was assigned to a 3-digit zip code based on their primary residence, and geographic variation was visualized using ArcGIS Pro software. Over 2.8 million patients with NVAF were identified. Large geographic variation was observed in clinical characteristics, stroke/SE, hospitalization for bleeding, and OAC use among patients across the US. The zip codes with the highest mean CHA2DS2-VASc scores and frequency of prior bleeding also had the highest incidence of stroke/SE and hospitalization for bleeding. Across 3-digit zip codes, 35-63% of patients were untreated. Overall, the incidence of stroke/SE and hospitalization for bleeding were higher and OAC treatment was less frequent in zip codes located in the Southern US. Baseline clinical characteristics, incidence rates of stroke/SE and hospitalization for bleeding, and OAC usage vary considerably by 3-digit zip code in the US. The additional granularity provided in this study may help clinicians to identify small regions with high-risk of stroke/SE and hospitalization for bleeding and low use of OAC that may benefit from targeted care strategies.
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Almajed MR, Almajed A, Khan N, Obri MS, Ananthasubramaniam K. Systemic right ventricle complications in levo-transposition of the great arteries: A case report and review of literature. World J Cardiol 2023; 15:542-552. [PMID: 37900900 PMCID: PMC10600789 DOI: 10.4330/wjc.v15.i10.542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/23/2023] [Accepted: 09/27/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND Congenitally corrected levo-transposition of the great arteries (L-TGA) is a congenital heart disease in which the ventricles and great arteries are transposed from their typical anatomy. In L-TGA, the double discordance, atrioventricular and ventriculoarterial, create an acyanotic milieu which allows patients to survive their early decades, however, progressive systemic right ventricle (sRV) dysfunction creates complications later in life. sRV dysfunction and remodeling predisposes patients to intracardiac thrombus (ICT) formation. CASE SUMMARY A 40-year-old male with L-TGA presented with symptoms of acute decompensated heart failure. In childhood, he had surgical repair of a ventricular septal defect. In adulthood, he developed sRV dysfunction, systemic tricuspid valve (sTV) regurgitation, and left-bundle branch block for which he underwent cardiac resynchronization therapy. Transthoracic echocardiogram showed a sRV ejection fraction of 40%, severe sTV regurgitation, and a newly identified sRV ICT. ICT was confirmed by ultrasound-enhancing agents and transesophageal echocardiography. Our patient was optimized with guideline-directed medical therapy and diuresis. Anticoagulation was achieved with a vitamin K antagonist (VKA) and he was later referred for evaluation by advanced heart failure and heart transplant services. CONCLUSION Anticoagulation with VKA is the mainstay of treatment in the absence of conclusive data supporting direct oral anticoagulant use in ICT in patients with congenital heart disease. This case illustrates the natural history of L-TGA and highlights the importance of surveillance and monitoring with dedicated cardiac imaging to identify complications.
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Guenoun M, Cohen S, Villaceque M, Sharareh A, Schwartz J, Hoffman O, Dib JC, Ouazana L, Assouline S, Parrens E, Garban T, Pradeau V, Guedj-Meynier D, Lequeux B, Cohen C, Durand P, Dievart F, Dhanjal TS, Sabouret P, Lellouche N. Characteristics of patients with atrial fibrillation treated with direct oral anticoagulants and new insights into inappropriate dosing: results from the French National Prospective Registry: PAFF. Europace 2023; 25:euad302. [PMID: 37801642 PMCID: PMC10590101 DOI: 10.1093/europace/euad302] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/14/2023] [Indexed: 10/08/2023] Open
Abstract
AIMS Since the introduction of direct oral anticoagulant (DOAC) for atrial fibrillation (AF) therapy, inappropriate and/or underdosing of these drugs has been a major clinical challenge. We evaluated the characteristics of patients with AF treated with inappropriate and low-dose DOACs. METHODS AND RESULTS Patients with AF treated with inappropriate and low-dose DOACs from October 2021 to December 2021 were evaluated from the French National Prospective Registry (PAFF). We evaluated 1890 patients with AF receiving DOACs (apixaban 55%, dabigatran 7%, and rivaroxaban 38%). Inappropriate dosing was noted in 18% of the population. Patients with appropriate dosing had less comorbidities: younger age (75 ± 10 vs. 82 ± 8 years old, P < 0.0001), reduced chronic renal failure (26 vs. 61%, P < 0.0001), and lower CHA2DS2VASc and HASBLED scores (3 ± 2 vs. 4 ± 3, P < 0.0001; 2 ±1 vs. 2 ± 2, P < 0.0001), respectively. In multivariate analysis, older age (P < 0.0001) and a higher CHA2DS2VASc score (P = 0.0056) were independently associated with inappropriate DOAC dosing. Among 472 patients (27%) treated with low-dose rivaroxaban or apixaban, 46% were inappropriately underdosed. Patients inappropriately underdosed were younger (82.3 ± 8.4 vs. 85.9 ± 5.9 years, P < 0.0001) with less chronic renal disease (47 vs. 98%, P < 0.0001). However, these patients had higher rates of prior haemorrhagic events (18 vs. 10%, P = 0.01), clopidogrel use (11 vs. 3%, P = 0.0002), and apixaban prescription (74 vs. 50%, P < 0.0001). CONCLUSION Within this large registry, DOACs were associated with inappropriate dosing in 18% of cases. Independent predictors of inappropriate dosing were high CHA2DS2VASc scores and older age. Moreover, 46% of patients treated with low-dose DOACs were inappropriately underdosed and more frequently in patients treated with apixaban.
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Guan T, Laguna A, Soares A, Legasto CS, Block S, Saunders IM, Alvarez K, Pon T, Patel N, Mahajan A, Lee A. Evaluation of direct oral anticoagulants versus low molecular weight heparins for venous thromboembolism treatment in patients with gastrointestinal malignancies. J Thromb Thrombolysis 2023; 56:439-446. [PMID: 37421494 DOI: 10.1007/s11239-023-02858-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/24/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND Direct oral anticoagulant (DOAC) use in cancer-associated venous thromboembolism (CA-VTE) has increased due to updates in recent guidelines and literature. However, select guidelines caution against DOAC use in patients with gastrointestinal (GI) malignancies due to reported increased bleeding events. The objective of this study was to compare the safety and effectiveness of DOACs versus low-molecular-weight heparins (LMWHs) for CA-VTE treatment in patients with GI malignancies. PATIENTS AND METHODS This multicenter, retrospective cohort study included patients with primary GI malignancies who received therapeutic anticoagulation with a DOAC or LMWH for CA-VTE between January 1, 2018, and December 31, 2019. The primary outcome was the incidence rate of bleeding events (major, clinically relevant non-major, or minor bleeding events) within a 12-month period following the initiation of therapeutic anticoagulation. The secondary endpoint was the incidence rate of recurrent VTE events within a 12-month period following the start of therapeutic anticoagulation. RESULTS After screening, 141 patients met inclusion criteria. The incidence rate of all bleeding events significantly differed between DOAC (4.98 events/100 person-months) and LWMH (10.2 events/100 person-months) recipients. The corresponding incidence rate ratio (IRR) with the DOAC group serving as the reference was 2.05 (p = 0.01), with the majority of bleeds in both groups presenting as minor bleeds. No difference was found between the incidence rate of recurrent VTE within a 12-month period of starting therapeutic anticoagulation between groups (IRR 3.08, p = 0.06). CONCLUSION Our results suggest that DOACs do not pose an additional bleeding risk compared to LMWH in patients with certain GI malignancies. Careful selection of DOAC therapy with respect to bleeding risk is still warranted.
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Hahn K, Lamparter M. Prescription of DOACs in Patients with Atrial Fibrillation at Different Stages of Renal Insufficiency. Adv Ther 2023; 40:4264-4281. [PMID: 37594666 PMCID: PMC10499752 DOI: 10.1007/s12325-023-02544-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 05/04/2023] [Indexed: 08/19/2023]
Abstract
Atrial fibrillation (AF) and renal insufficiency often coexist and are increasingly prevalent with advancing age. Both the risk of thromboembolic events and bleeding propensity are higher in patients with AF and impaired renal function versus those with good renal health. Direct oral anticoagulants (DOACs) are being increasingly preferred over vitamin K antagonists (VKAs) in the treatment of patients with AF and impaired renal function as VKAs may accelerate progression of chronic kidney disease. DOACs, however, are eliminated by the kidneys to varying degrees, and their dosages must be adapted in accordance with renal function. Since creatinine clearance (CrCl) monitoring is recommended in patients with AF receiving DOAC therapy, CrCl must be routinely monitored in patients at the start and during the course of anticoagulation to avoid deviation from Summary of Product Characteristics dosage specifications. This review article provides an overview of current knowledge on the selection and dose of DOACs including apixaban, dabigatran, edoxaban and rivaroxaban in AF patients at different stages of renal insufficiency, with a special focus on elderly patients with comorbidities and receiving multiple medications. The groups discussed in this review include patients with varying levels of CrCl including hyperfiltration or CrCl > 90 ml/min, CrCl < 90-50 ml/min, CrCl < 50-30 ml/min, CrCl < 30-15 ml/min and end-stage renal disease or on dialysis.
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Jun M, Scaria A, Andrade J, Badve SV, Birks P, Bota SE, Campain A, Djurdjev O, Garg AX, Ha J, Harel Z, Hemmelgarn B, Hockham C, James MT, Jardine MJ, Levin A, McArthur E, Ravani P, Shao S, Sood MM, Tan Z, Tangri N, Whitlock R, Gallagher M. Kidney function and the comparative effectiveness and safety of direct oral anticoagulants vs. warfarin in adults with atrial fibrillation: a multicenter observational study. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2023; 9:621-631. [PMID: 36302143 DOI: 10.1093/ehjqcco/qcac069] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/18/2022] [Accepted: 10/24/2022] [Indexed: 09/13/2023]
Abstract
AIMS The aim of this study was to determine the comparative effectiveness and safety of direct oral anticoagulants (DOACs) and warfarin in adults with atrial fibrillation (AF) by level of kidney function. METHODS AND RESULTS We pooled findings from five retrospective cohorts (2011-18) across Australia and Canada of adults with; a new dispensation for a DOAC or warfarin, an AF diagnosis, and a measure of baseline estimated glomerular filtration rate (eGFR). The outcomes of interest, within 1 year from the cohort entry date, were: (1) the composite of all-cause death, first hospitalization for ischaemic stroke, or transient ischaemic attack (effectiveness), and (2) first hospitalization for major bleeding defined as an intracranial, upper or lower gastrointestinal, or other bleeding (safety). Cox models were used to examine the association of a DOAC vs. warfarin with outcomes, after 1:1 matching via a propensity score. Kidney function was categorized as eGFR ≥60, 45-59, 30-44, and <30 mL/min/1.73 m2. A total of 74 542 patients were included in the matched analysis. DOAC initiation was associated with greater or similar effectiveness compared with warfarin initiation across all eGFR categories [pooled HRs (95% CIs) for eGFR categories: 0.74(0.69-0.79), 0.76(0.54-1.07), 0.68(0.61-0.75) and 0.86(0.76-0.98)], respectively. DOAC initiation was associated with lower or similar risk of major bleeding than warfarin initiation [pooled HRs (95% CIs): 0.75(0.65-0.86), 0.81(0.65-1.01), 0.82(0.66-1.02), and 0.71(0.52-0.99), respectively). Associations between DOAC initiation, compared with warfarin initiation, and study outcomes were not modified by eGFR category. CONCLUSION DOAC use, compared with warfarin use, was associated with a lower or similar risk of all-cause death, ischaemic stroke, and transient ischaemic attack and also a lower or similar risk of major bleeding across all levels of kidney function.
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Guarascio M, Bertù L, Donadini MP, Antonucci E, Palareti G, Ageno W. DOACs use in extreme body-weighted patients: results from the prospective START-register. Intern Emerg Med 2023; 18:1681-1687. [PMID: 37301770 DOI: 10.1007/s11739-023-03334-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND Direct oral anticoagulants (DOACs) are widely used for the treatment of venous thromboembolism (VTE) and for stroke prevention in atrial fibrillation (AF). However, evidence in obese and underweight patients is limited. We assessed the safety and effectiveness of DOACs and vitamin K antagonists (VKAs) in patients ≥ 120 kg or ≤ 50 kg enrolled in an observational prospective cohort study, the START-Register. METHODS Adult patients started on anticoagulant therapy were followed up for a median of 1.5 years (IQR 0.6-2.8). Primary efficacy outcome was the occurrence of VTE recurrence, stroke and systemic embolism. Primary safety outcome was major bleeding (MB). RESULTS 10,080 AF and VTE patients were enrolled between March 2011 and June 2021, 295 patients weighted ≤ 50 kg and 82 patients ≥ 120 kg. Obese patients were significantly younger than underweight patients. Rates of thrombotic events were low and similar between DOACs and VKAs in underweight patients (1 event on DOACs therapy [0.9% 95% CI 0.11-5.39] and 2 on VKAs [1.1% 95% CI 0.01-47.68]) and in overweight patients (0 events on DOACs, 1 on VKAs [1.6%, 95% CI 0.11-5.79]. Two MB events occurred on DOACs (1.9%, 95% CI 0.38-6.00) and 3 on VKAs (1.6%, 95% CI 0.04-22.06) in the underweight group; 1 MB on DOACs (5.3% 95% CI 0.33-16.68) and 2 on VKAs (3.3%, 95% CI 0.02-130.77) in the overweight group. CONCLUSIONS DOACs seem to be effective and safe also for the treatment of patients with extreme body weights, both underweight and overweight. Further prospective studies are needed to support these findings.
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Grobost V, Hammi S, Pereira B, Guilhem A, Duffau P, Seguier J, Parrot A, Gautier G, Alric L, Kerjouan M, Le Guillou X, Simon D, Chaussavoine L, Rondeau-Lutz M, Leguy-Seguin V, Delagrange L, Lavigne C, Maillard H, Dupuis-Girod S. Antiplatelet and anticoagulant therapies in hereditary hemorrhagic telangiectasia: A large French cohort study (RETROPLACOTEL). Thromb Res 2023; 229:107-113. [PMID: 37437516 DOI: 10.1016/j.thromres.2023.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/02/2023] [Accepted: 07/05/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND It is unclear whether hereditary hemorrhagic telangiectasia (HHT) patients can tolerate antithrombotic therapies (AT) including antiplatelet (AP) and/or anticoagulant (AC) agents. OBJECTIVES Primary endpoint was tolerance to AT in HHT. Secondary endpoints were to identify factors associated with major bleeding events (MBE) and premature discontinuation of AT. METHODS Retrospective multicenter study in French national HHT Registry patients exposed to AT. RESULTS We included 126 patients with 180 courses of AT. Median follow-up was 24 [11-52] months. Mean age was 65.6 ± 13.1 years. The first 3 months of AT exposure had an increased risk of hospitalization for hemorrhage (p < 0.001) and transfusions (p < 0.001). MBE (n = 63) occurred more frequently in the first 3 months of AT exposure (p < 0.001). Premature discontinuation of AT occurred in 61 cases. Rate of premature discontinuation was 29 % under both AP and AT therapy but significantly higher under dual AP therapy (n = 4/7, 57 % p = 0.008). Risk factors for MBE were: age ≥ 60 years (HR 2.34 [1.12;4.87], p = 0.023), prior hospitalization in the 3 months before starting AT for hemorrhage (HR 3.59 [1.93;6.66], p < 0.001) or transfusion (HR 3.15 [1.61;6.18], p = 0.001), previous history of gastro-intestinal bleeding (HR 2.71 [1.57;4.65], p < 0.001) or MBE (HR 4.62 [2.68;7.98], p < 0.001). Frequency of MBE did not differ between groups except for a higher risk in the dual AP group (HR 3.92 [1.37;11.22], p = 0.011). CONCLUSION Tolerance of AC or AP therapy was similar in HHT population but not dual AP therapy. We identified risk factors for MBE occurrence or premature discontinuation under AT.
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Takahashi M, Morimoto T, Tsushima R, Sudo Y, Sakamoto A, Sogo M, Ozaki M, Okawa K. Serial changes in the trends of direct oral anticoagulant use and incidence of thromboembolisms and major bleeding events in very old patients with non-valvular atrial fibrillation. EUROPEAN HEART JOURNAL OPEN 2023; 3:oead107. [PMID: 37901163 PMCID: PMC10607205 DOI: 10.1093/ehjopen/oead107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 10/31/2023]
Abstract
Aims Direct oral anticoagulants (DOACs) have become the first-line antithrombotic therapy in patients with non-valvular atrial fibrillation (NVAF). During this period, the incidence of thromboembolisms and major bleeding events has decreased. However, no studies have shown a correlation between them, and even fewer data are available on older patients. Therefore, we evaluated the serial changes in oral anticoagulant (OAC) use and the correlation between DOAC use and the incidence of adverse events among very old patients with NVAF. Methods and results We conducted a historical cohort study in 1320 consecutive patients with NVAF aged ≥80 years who received medical treatment for AF from March 2011 to February 2021. We analysed the temporal trends regarding patients using OACs, including the DOAC prescription rate and incidence of adverse events. Over the last decade, the number of patients using OACs has increased from 228 to approximately 600 person-years. The DOAC prescription rate has significantly increased (4-90%, P < 0.001). The age of the patients and proportion of patients with a HASBLED score ≥3 significantly increased (84 ± 4 to 86 ± 4 years, 16-25%, P < 0.001, respectively). The composite incidence of thromboembolisms and major bleeding events significantly decreased (7.02-3.30 events/100 person-years, P < 0.001). Conclusion The incidence of thromboembolisms and major bleeding events might be inversely correlated with the increase in the DOAC prescription rate in patients with NVAF aged ≥80 years.
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Ma F, Xu W, Chen J, Zhang J. Non-major bleeding risk of direct oral anticoagulants versus vitamin K antagonists for stroke prevention with atrial fibrillation: a systematic review and network meta-analysis. Eur J Clin Pharmacol 2023; 79:1013-1022. [PMID: 37310479 DOI: 10.1007/s00228-023-03520-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/04/2023] [Indexed: 06/14/2023]
Abstract
BACKGROUND Direct oral anticoagulants (DOACs) are associated with bleeding. Patients often stop taking DOACs due to non-major bleeding, which may lead to stroke recurrence. We aimed to determine the risk of non-major bleeding using different DOACs to prevent strokes in atrial fibrillation (AF). METHODS A systematic search of four databases (PubMed, EMBASE, Web of Science, and Cochrane Library) was performed to identify randomized controlled trials (RCTs) reporting non-major bleeding events in patients taking DOACs or vitamin K antagonists (VKAs). In this frequency-based network meta-analysis, odds ratios and 95% confidence intervals were used for reporting. Based on the surface under the cumulative ranking curves (SUCRA), the relative ranking probability of each group was generated. RESULTS Nineteen randomized controlled trials (RCTs) (involving 85,826 patients) were included. For clinically relevant non-major bleeding, the risk for bleeding was lowest for apixaban (SUCRA, 93.9), followed by that for VKAs (SUCRA, 47.7), dabigatran (SUCRA, 40.3), rivaroxaban (SUCRA, 35.9), and edoxaban (SUCRA, 32.2). The minor bleeding safety of DOACs was ranked from highest to lowest as follows: apixaban (SUCRA, 78.1), edoxaban (SUCRA, 69.4), dabigatran (SUCRA, 48.8), and VKAs (SUCRA, 3.7). CONCLUSIONS Based on current evidence, for stroke prevention in patients with AF, the safest DOAC is apixaban in terms of non-major bleeding. This suggests that apixaban may have a lower risk of non-major bleeding than other anticoagulants and may help provide some clinical reference for choosing a more appropriate drug for the patient.
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Chow JK, Bagai A, Tan MK, Har BJ, Yip AMC, Paniagua M, Elbarouni B, Bainey KR, Paradis JM, Maranda R, Cantor WJ, Eisenberg MJ, Dery JP, Madan M, Cieza T, Matteau A, Roth S, Lavi S, Glanz A, Gao D, Tahiliani R, Welsh RC, Kim HH, Robinson SD, Daneault B, Chong AY, Le May MR, Ahooja V, Gregoire JC, Nadeau PL, Laksman Z, Heilbron B, Yung D, Minhas K, Bourgeois R, Overgaard CB, Bonakdar H, Logsetty G, Lavoie AJ, De LaRochelliere R, Mansour S, Spindler C, Yan AT, Goodman SG. Antithrombotic therapies in Canadian atrial fibrillation patients with concomitant coronary artery disease: Insights from the CONNECT AF + PCI-II program. J Cardiol 2023; 82:153-161. [PMID: 36931433 DOI: 10.1016/j.jjcc.2023.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Selecting the appropriate antithrombotic regimen for patients with atrial fibrillation (AF) who have undergone percutaneous coronary intervention (PCI) or have had medically managed acute coronary syndrome (ACS) remains complex. This multi-centre observational study evaluated patterns of antithrombotic therapies utilized among Canadian patients with AF post-PCI or ACS. METHODS AND RESULTS By retrospective chart audit, 611 non-valvular AF patients [median (interquartile range) age 76 (69-83) years, CHADS2 score 2 (1-3)] who underwent PCI or had medically managed ACS between August 2018 and December 2020 were identified by 68 cardiologists across eight provinces in Canada. Overall, triple antithrombotic therapy [TAT: combined oral anticoagulation (OAC) and dual antiplatelet therapy (DAPT)] was the most common initial antithrombotic strategy, with use in 53.8 % of patients, followed by dual pathway therapy (32.7 % received OAC and a P2Y12 inhibitor, and 4.1 % received OAC and aspirin) and DAPT (9.3 %). Median duration of TAT was 30 (7, 30) days. Compared to the previous CONNECT AF + PCI-I program, there was an increased use of dual pathway therapy relative to TAT over time (P-value <.0001). DOACs (direct oral anticoagulants) represented 90.3 % of all OACs used overall, with apixaban being the most utilized (50.5 %). Proton pump inhibitors were used in 57.0 % of all patients, and 70.1 % of patients on ASA. Planned antithrombotic therapies at 1 year were: 76.2 % OAC monotherapy, 8.3 % OAC + ASA, 7.9 % OAC + P2Y12 inhibitor, 4.3 % DAPT, 1.3 % ASA alone, and <1 % triple therapy. CONCLUSION In accordance with recent Canadian Cardiovascular Society guideline recommendations, we observed an increased use of dual pathway therapy relative to TAT over time in both AF patients post-PCI (elective and emergent) and in those with medically managed ACS. Additionally, DOACs have become the prevailing form of anticoagulation across all antithrombotic regimens. Our findings suggest that Canadian physicians are integrating evidence-based approaches to optimally manage the bleeding and thrombotic risks of AF patients post-PCI and/or ACS.
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Renda G. Direct oral anticoagulants in patients with bioprosthetic heart valves. Intern Emerg Med 2023; 18:1269-1272. [PMID: 37243834 DOI: 10.1007/s11739-023-03288-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/22/2023] [Indexed: 05/29/2023]
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Yang J, He Z, Li M, Hong T, Ouyang T. Risk of intracranial hemorrhage with direct oral anticoagulation versus low molecular weight heparin in the treatment of brain tumor-associated venous thromboembolism: A meta-analysis. J Stroke Cerebrovasc Dis 2023; 32:107243. [PMID: 37413715 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107243] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/27/2023] [Accepted: 06/30/2023] [Indexed: 07/08/2023] Open
Abstract
OBJECTIVES Direct oral anticoagulants (DOACs) are effective in treating cancer-related thrombosis and are superior to low molecular weight heparin (LMWH) in terms of efficacy. The effects of DOACs or LMWH on intracranial hemorrhage (ICH) remain uncertain in individuals with brain tumors. We conducted a meta-analysis to compare the frequency of ICH in individuals with brain tumors treated with DOACs or LMWH. METHODS Two independent investigators reviewed all studies that compared the frequency of ICH in patients with brain tumors who received DOACs or LMWH. The primary outcome was the incidence of ICH. We used the Mantel-Haenszel method to estimate the combined effect and calculated 95% confidence intervals (CI). RESULTS This study encompassed six articles. The results indicated that cohorts treated with DOAC experienced much fewer instances of ICH compared to the LMWH cohorts (relative risk [RR] 0.39; 95% CI 0.23-0.65; P = 0.0003; I2 = 0%). The same effect was observed for the prevalence of major ICH (RR 0.34; 95% CI 0.12-0.97; P = 0.04; I2 = 0%), but there was no difference for fatal ICH. Subgroup analysis indicated that DOACs had a substantially reduced incidence of ICH in primary brain tumors (RR 0.18; 95% CI 0.06-0.50; P = 0.001; I2 = 0%), but had no impact on ICH with secondary brain tumors. CONCLUSIONS This meta-analysis showed that DOACs are associated with a lower risk of ICH than LMWH therapy in treating venous thromboembolism associated with brain tumors, especially in patients with primary brain tumors.
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Meinig R, Jarvis S, Salottolo K, Nwafo N, McNair P, Harrison P, Morgan S, Duane T, Woods B, Nentwig M, Kelly M, Cornutt D, Bar-Or D. Propensity matched analysis examining the effect of passive reversal of direct oral anticoagulants on blood loss and the need for transfusions among traumatic geriatric hip fractures. Eur J Med Res 2023; 28:241. [PMID: 37475008 PMCID: PMC10360353 DOI: 10.1186/s40001-023-01053-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 02/08/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND Reversal of direct oral anticoagulants (DOACs) is currently recommended prior to emergent surgery, such as surgical intervention for traumatic geriatric hip fractures. However, reversal methods are expensive and timely, often delaying surgical intervention, which is a predictor of outcomes. The study objective was to examine the effect of DOAC reversal on blood loss and transfusions among geriatric patients with hip fractures. METHODS This retrospective propensity-matched study across six level I trauma centers included geriatric patients on DOACs with isolated fragility hip fractures requiring surgical intervention (2014-2017). Outcomes included: intraoperative blood loss, intraoperative pRBCs, and hospital length of stay (HLOS). RESULTS After matching there were 62 patients (31 reversed, 31 not reversed), 29 patients were not matched. The only reversal method utilized was passive reversal (waiting ≥ 24 hours for elimination). Passively reversed patients had a longer time to surgery (mean, 43 vs. 18 hours, p < 0.01). Most patients (92%) had blood loss (90% passively reversed, 94% not reversed); the median volume of blood loss was 100 mL for both those groups, p = 0.97. Thirteen percent had pRBCs transfused (13% passively reversed and 13% not reversed); the median volume of pRBCs transfused was 525 mL for those passively reversed and 314 mL for those not reversed, p = 0.52. The mean HLOS was significantly longer for those passively reversed (7 vs. 5 days, p = 0.001). CONCLUSIONS Passive DOAC reversal for geriatric patients with isolated hip fracture requiring surgery may be contributing to delayed surgery and an increased HLOS without having a significant effect on blood loss or transfusions. These data suggest that passive DOAC reversal may not be necessary prior to surgical repair of isolated hip fracture.
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Wang X, Chen Y, Wen D, You C, Ma L. Effect of extended duration of thromboprophylaxis for medically ill patients. Eur J Intern Med 2023; 113:22-30. [PMID: 37029050 DOI: 10.1016/j.ejim.2023.03.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/09/2023]
Abstract
BACKGROUND There are knowledge gaps regarding the comparative efficacy and safety of various venous thromboprophylaxis regimens with extended timing in patients hospitalized for acute medical illnesses. This study aims to investigate the optimal regimen for the prevention of venous thromboembolism in these patients. METHODS We conducted a Bayesian network meta-analysis of randomized controlled trials (RCTs) comparing different venous thromboprophylaxis regimens for acutely ill medical patients. Outcomes included venous thromboembolism, major bleeding, and all-cause mortality. Risk ratios (RR) and associated 95% credible interval (CrI) were estimated. In addition, we assessed the most effective interventions in a subgroup of patients with stroke. RESULTS We identified five RCTs involving 40,124 patients. Extended thromboprophylaxis with direct oral anticoagulant (DOAC) (RR 0.78, 95% CrI 0.68 to 0.89) and low molecular weight heparin (LMWH) (RR 0.62, 95% CrI 0.45 to 0.84) were superior to standard therapy in the prevention of venous thromboembolism. However, both of them (DOAC: RR 1.99, 95% CrI 1.38 to 2.92; LMWH: RR 2.56, 95% CrI 1.26 to 5.68) lead to a significant increase in major bleeding). Moreover, both LMWH (RR 0.76, 95% CrI 0.57 to 1.00) and DOAC (RR 0.86, 95% CrI 0.76 to 0.98) with extended thromboprophylaxis showed favorable net clinical benefit compared to standard therapy. CONCLUSIONS Extended thromboprophylaxis, especially with LMWH, showed better efficacy in venous thromboembolism reduction with increased risk of major bleeding. The beneficial effect of LMWH with extended timing has also been shown in stroke patients. Overall, extended thromboprophylaxis is associated with a positive net clinical benefit.
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Ligia S, Musiu P, Serrao A, Santoro C, Taglietti A, Capriata M, Faccini A, Molinari MC, Baldacci E, Chistolini A. Low-dose apixaban or rivaroxaban as secondary prophylaxis of upper extremity deep vein thrombosis. J Thromb Thrombolysis 2023:10.1007/s11239-023-02842-6. [PMID: 37341894 DOI: 10.1007/s11239-023-02842-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/01/2023] [Indexed: 06/22/2023]
Abstract
Upper extremity deep vein thrombosis (UEDVT) may occur without inciting factor or may be secondary to malignancy, surgery, trauma, central venous catheter or related to thoracic outlet syndrome (TOS). International guidelines recommend anticoagulant treatment for at least three months, in particular the use of vitamin K antagonists (VKAs) and direct oral anticoagulants (DOACs). No data on extended anticoagulant therapy and reduced dose of DOACs have been reported in patients affected by UEDVT with persistent thrombotic risk (active cancer, major congenital thrombophilia) or without affected vein recanalization. In our retrospective observational study, including 43 patients, we treated secondary UEDVT with DOACs. In the acute phase of thrombosis (median time of 4 months), we used therapeutic dose of DOACs; the 32 patients with permanent thrombotic risk factors or without recanalization of the UEDVT were shifted to low-dose DOACs (apixaban 2.5 mg twice daily or rivaroxaban 10 mg daily). During therapy with full-dose DOACs, 1 patient presented recurrence of thrombosis; no thromboembolic events were observed during treatment with low-dose DOACs. During full-dose treatment, 3 patients presented minor hemorrhagic complications; no hemorrhagic events were observed during DOACs at low dose. We think our preliminary data could support the indication to extend the anticoagulation with dose reduction of DOACs in patients affected by UEDVT and no-transient thrombotic risk. These data should be confirmed in randomized controlled prospective study.
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Bakow BR, Phung Q, Rabinovich D, Olszewski AJ, Reagan JL. Choice of anticoagulation in patients with low risk antiphospholipid syndrome. J Thromb Thrombolysis 2023:10.1007/s11239-023-02826-6. [PMID: 37219825 DOI: 10.1007/s11239-023-02826-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/01/2023] [Indexed: 05/24/2023]
Abstract
Antiphospholipid syndrome (APS) is an acquired hypercoagulable state necessitating long-term anticoagulation for secondary thrombosis prevention. Anticoagulation guidelines are predominantly based on data in high risk, triple positive patients, and favor Vitamin K antagonists over other forms of anticoagulation. The efficacy of alternative anticoagulants for secondary thrombosis prevention in low risk, single and double positive APS remains uncertain. This study aimed to assess the incidence of recurrent thrombosis and major bleeding for patient with low risk APS on long-term anticoagulation. We performed a retrospective cohort study of patients who met revised criteria for thrombotic APS between January, 2001 and April, 2021 and received care through the Lifespan Health System. Primary outcomes included recurrent thrombosis and WHO Grades 3 and 4 major bleeding. A total of 190 patients were followed over a median duration of 3.1 years. At time of APS diagnosis, 89 patients were treated with warfarin and 59 patients with a direct oral anticoagulant (DOAC). There were similar rates of recurrent thrombosis in low risk patients on warfarin versus DOACs (adjusted IRR 6.91; 95% CI 0.90-53.40, p = 0.064). Major bleeding events only occurred in low risk patients on warfarin (n = 8, log-rank p = 0.13). In conclusion, despite the choice of anticoagulation, patients with low risk APS had similar rates of recurrent thrombosis suggesting DOACs may be a potential treatment option for this cohort. There was a non-significant increase in major bleeding rates in low risk patients on warfarin versus DOACs. Study limitations include a retrospective study design and small event numbers.
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Martin AC, Weizman O, Sellal JM, Algalarrondo V, Amara W, Bouzeman A, Gandjbakhch E, Lellouche N, Louembe J, Menet A, Roumegou P, Treguer F, Godier A, Boveda S, Garcia R, Marijon E. Impact of peri-procedural management of direct oral anticoagulants on pocket haematoma after cardiac electronic device implantation: the StimAOD multicentre prospective study. Europace 2023; 25:euad057. [PMID: 36932714 PMCID: PMC10227661 DOI: 10.1093/europace/euad057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/17/2023] [Indexed: 03/19/2023] Open
Abstract
AIMS The study aims to investigate the impact of direct oral anticoagulant (DOAC) management on the incidence of pocket haematoma in patients undergoing pacemaker or implantable cardioverter-defibrillator implantation. METHODS AND RESULTS All consecutive patients receiving DOAC and undergoing cardiac electronic device implantation were included in a large multicentre prospective observational study (NCT03879473). The primary endpoint was clinically relevant haematoma within 30 days after implantation. Overall, 789 patients were enrolled [median age 80 (IQR 72-85) years old, 36.4% women, median CHA2DS2-VASc score 4 (IQR 0-8)], of which 632 (80.1%) received a pacemaker implantation. Antiplatelet therapy was combined with DOAC in 146 patients (18.5%). Direct oral anticoagulants (DOACs) were interrupted 52 (IQR 37-62) h before the procedure and resumed 31 (IQR 21-47) h later. Ninety-six percent of the patients had at least 12 h DOAC interruption before the procedure, and 78% had at least 12 h DOAC interruption after the procedure. Overall, anticoagulation was interrupted for 72 (IQR 48-96) h. Pre- or post-procedural heparin bridging was used in 8.2% and 3.9%, respectively. Timing of DOAC interruption of resumption was not associated with clinically relevant haematoma. Clinically relevant haematoma occurred in 26 patients (3.3%), and thromboembolic events occurred in 5 patients (0.6%). CONCLUSION In this large real-life registry where most patients had DOAC interruption, clinically relevant haematoma was rare. Despite DOAC interruption and high CHA2DS2-VASc score, thromboembolic events occurred seldomly, highlighting that bleeding exceeds thromboembolic risk in this peri-procedural period. Future research is needed to identify risk factors for clinically relevant haematoma and meaningfully guide clinicians in optimizing DOAC management.
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Miyashita K, Nambu K, Kinami S, Nogami K, Nambu I, Tohma Y. Intra-and peritumoral hemorrhage in the meningioma of a nonagenarian due to administration of direct oral anticoagulants after mechanical thrombectomy. Surg Neurol Int 2023; 14:164. [PMID: 37292413 PMCID: PMC10246366 DOI: 10.25259/sni_18_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/20/2023] [Indexed: 06/10/2023] Open
Abstract
Background Spontaneous intratumoral hemorrhage of meningiomas is rare, and their incidence due to anticoagulants is unclear. The incidence of both meningioma and cardioembolic stroke increases with age. We report the very elderly case of intra- and peritumoral hemorrhage in frontal meningioma induced by direct oral anticoagulant (DOAC) following mechanical thrombectomy, in whom, surgical resection was required 10 years after the tumor was first indicated. Case Description A 94-year-old woman with independence in daily living who suffered sudden consciousness disturbance, total aphasia, and right hemiparesis was admitted to our hospital. Magnetic resonance imaging showed an acute cerebral infarction and left middle cerebral artery occlusion. There was also a left frontal meningioma with peritumoral edema, which was discovered 10 years prior, and the size and edema had remarkably increased. The patient underwent urgent mechanical thrombectomy, and recanalization was achieved. Administration of DOAC was initiated for the atrial fibrillation. Computed tomography (CT) revealed an asymptomatic intratumoral hemorrhage at postoperative day 26. The patient's symptoms gradually improved; however, she suffered sudden disturbance of consciousness and right hemiparesis on postoperative day 48. CT revealed intra- and peritumoral hemorrhages with compression of the surrounding brain. Therefore, we decided to perform tumor resection instead of conservative treatment. The patient underwent surgical resection, and the postoperative course was uneventful. It was diagnosed with transitional meningioma with no malignant features. The patient was transferred to another hospital for rehabilitation. Conclusion Peritumoral edema representing a pial blood supply might be a significant factor associated with intracranial hemorrhage due to DOAC administration in patients with meningioma. The evaluation of hemorrhagic risk due to DOACs is important not only for meningioma but also for other brain tumor cases.
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Nguyen V. A case of unprovoked segmental proximal partial thrombosis of the corpus cavernosum. Urol Case Rep 2023; 48:102426. [PMID: 37215060 PMCID: PMC10196997 DOI: 10.1016/j.eucr.2023.102426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/07/2023] [Accepted: 05/09/2023] [Indexed: 05/24/2023] Open
Abstract
Partial thrombosis of the corpus cavernosum is an extremely rare and likely underdiagnosed urologic condition. We discuss a case of a 25-year-old male who presented with severe perineal pain and was diagnosed with idiopathic proximal partial thrombosis of the corpus cavernosum via ultrasound and MRI. The patient experienced symptom resolution with evidence of disease regression on follow up MRI after treatment with direct oral anticoagulation. Further studies are needed to fully delineate the pathophysiology of this condition to facilitate development of standardized diagnostic and treatment algorithms.
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Wang X, Wen D, Chen Y, You C, Ma L. Anticoagulation medication in nontraumatic intracranial hemorrhage survivors with atrial fibrillation. J Thromb Thrombolysis 2023:10.1007/s11239-023-02804-y. [PMID: 37022508 DOI: 10.1007/s11239-023-02804-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/28/2023] [Indexed: 04/07/2023]
Abstract
BACKGROUND The relative effectiveness of anticoagulation agents in patients with atrial fibrillation (AF) who survive an intracranial hemorrhage (ICH) is unknown. This study was performed to examine the comparative effectiveness of different oral anticoagulation (OAC) on clinical outcomes in this group of patients. METHODS We performed a Bayesian network meta-analysis of randomized controlled trials (RCTs) and observational studies comparing different OAC (direct oral anticoagulant [DOAC] and warfarin) for the treatment of patients with AF who sustained ICH. Outcomes included repeat ICH, thromboembolic events, and all-cause mortality. The values derived from the surface under the cumulative ranking curve were obtained to rank the treatment hierarchy. RESULTS We identified 12 studies (two RCTs and ten observational studies) involving 23,265 patients; 346 patients were treated with any OAC agents; 5,006 received DOAC; 5,271 received warfarin; 12,007 received antiplatelet or no therapy, and 635 did not received relevant therapy. Both DOAC and warfarin (RR, 0.58; 95% CI, 0.45-0.74; RR, 0.83; 95% CI, 0.69-0.98) were superior to antiplatelet or no therapy in preventing thromboembolic events. Moreover, DOAC also showed superiority in preventing thromboembolic events (RR, 0.70; 95% CI, 0.58-0.83), repeat ICH (RR, 0.52; 95% CI, 0.40-0.67), and all-cause mortality (RR, 0.51; 95% CI, 0.46-0.56) than warfarin. CONCLUSIONS Our study suggests DOACs may be a reasonable alternative to anti-platelet therapy and warfarin for patients with AF who experienced ICH. However, given the available evidence is primarily observational, further validation by ongoing trials directly comparing these two classes of drugs are needed.
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