scholarly journals 122 Are We Effective Prescribers? A Retrospective Audit of DOAC Prescribing Post Embolic Stroke for Non Valvular Atrial Fibrillation

2019 ◽  
Vol 48 (Supplement_3) ◽  
pp. iii17-iii65
Author(s):  
Karen Dennehy ◽  
Joseph Morris ◽  
Diarmaid Hughes ◽  
Kate Donlon ◽  
Thomas Walsh
Keyword(s):  
Atrial Fibrillation ◽  
Renal Function ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Embolic Stroke ◽  
Haemorrhagic Transformation ◽  
Retrospective Audit ◽  
Online Laboratory ◽  
Number Of Patients

Abstract Background Direct oral anticoagulants (DOAC) are indicated for stroke prophylaxis in non-valvular atrial fibrillation, which is responsible for up to 20% of all ischaemic strokes(1). We performed a retrospective audit of all consecutive stroke patients in an Irish teaching hospital over a 1-year period to investigate the rate of incorrect dosing and any risk factors for this occurring. Methods We assessed our hospital stroke database from January to December 2017. Our research focused on DOAC prescribing in non valvular atrial fibrillation post embolic stroke. We collected data on baseline characteristics, choice of anticoagulation, dosing, and assessment of renal function, with follow up renal function if available. We reviewed electronic discharge summaries, online laboratory systems and completed a chart review. Results There was a total of 116 people with atrial fibrillation who developed an embolic stroke in our centre, of which 68 were eligible for anticoagulation using a DOAC (59). The main reasons for omission were CKD and haemorrhagic transformation. Patients were discharged on either Apixaban (32 patients), Rivaroxoban (32 patients), or Dabigatran (4 patients). Following our review, we established that 54/68 (79%) of patients were correctly anticoagulated. Over 20% of patients were incorrectly dosed and there was a clear tendency to under-dose 13/14 (93%). There were significant differences between the correct and incorrect dosing groups, with the latter group of patients being older and more at risk of polypharmacy. Renal function did not differ significantly between the groups at discharge or follow up and none of the incorrectly dosed patients were on a concurrent anti platelet. Conclusion A significant number of patients prescribed DOAC in hospital were not appropriately anticoagulated (21%), a majority of which were under-dosed. The patients who were under-dosed were older and more likely to be on 5 or more medications.

scholarly journals Relationship between the Renal Function and Adverse Clinical Events in Patients with Atrial Fibrillation: A Japanese Multicenter Registry Substudy

2020 ◽  
Vol 9 (1) ◽  
pp. 167
Author(s):  
Yasuhumi Yuzawa ◽  
Keiichiro Kuronuma ◽  
Yasuo Okumura ◽  
Katsuaki Yokoyama ◽  
Naoya Matsumoto ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Renal Function ◽  
Major Bleeding ◽  
Normal Renal Function ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Real World Data ◽  
Clinical Events ◽  
Gault Formula

Background: Atrial fibrillation (AF) and chronic kidney disease (CKD) often coexist, but the real-world data after approval of direct oral anticoagulants (DOACs) are still lacking in Japan. We investigated the association of the baseline renal function and adverse clinical events and risk of adverse clinical events with DOACs compared to warfarin for each renal functional level in Japanese AF patients. Methods: The present substudy was based on the SAKURA AF Registry, a Japanese multicenter observational registry (median follow-up period: 39 months). The creatinine clearance (CrCl) values were estimated by the Cockcroft–Gault formula, and divided into normal renal function, and mild and moderate-severe CKD (CrCl ≥ 80, 50–79, <50 mL/min). Results: In the SAKURA AF Registry, the baseline CrCl data were available for 3242 patients (52% for DOAC and 48% for warfarin user). The relative risk of adverse clinical events was significantly higher in the patients with a CrCl < 50 mL/min as compared to those with a CrCl ≥ 80 mL/min (adjusted HRs: 2.53 for death, 2.53 for cardiovascular [CV] events, 2.13 for strokes, and 1.83 for major bleeding). Risks of all adverse clinical events were statistically even between DOAC and warfarin users for each renal function level. Conclusion: Moderate–severe CKD was associated with a higher mortality, CV events, strokes, and major bleeding than normal renal function. The safety and effectiveness of DOACs over warfarin were similar for each renal function level. By a worsening renal function, the incidence of adverse clinical events increased, especially deaths and CV events as compared to strokes and major bleeding.

scholarly journals The Number of Concomitant Drugs and the Safety of Direct Oral Anticoagulants in Routine Care Patients with Atrial Fibrillation

TH Open ◽  
2020 ◽  
Vol 04 (04) ◽  
pp. e417-e426
Author(s):  
Carline J. van den Dries ◽  
Sander van Doorn ◽  
Patrick Souverein ◽  
Romin Pajouheshnia ◽  
Karel G.M. Moons ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Ischemic Stroke ◽  
Major Bleeding ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Routine Care ◽  
P Value ◽  
Risk Of Mortality ◽  
Mortality Effect

Abstract Background The benefit of direct oral anticoagulants (DOACs) versus vitamin K antagonists (VKAs) on major bleeding was less prominent among atrial fibrillation (AF) patients with polypharmacy in post-hoc randomized controlled trials analyses. Whether this phenomenon also exists in routine care is unknown. The aim of the study is to investigate whether the number of concomitant drugs prescribed modifies safety and effectiveness of DOACs compared with VKAs in AF patients treated in general practice. Study Design Adult, nonvalvular AF patients with a first DOAC or VKA prescription between January 2010 and July 2018 were included, using data from the United Kingdom Clinical Practice Research Datalink. Primary outcome was major bleeding, secondary outcomes included types of major bleeding, nonmajor bleeding, ischemic stroke, and all-cause mortality. Effect modification was assessed using Cox proportional hazard regression, stratified for the number of concomitant drugs into three strata (0–5, 6–8, ≥9 drugs), and by including the continuous variable in an interaction term with the exposure (DOAC vs. VKA). Results A total of 63,600 patients with 146,059 person-years of follow-up were analyzed (39,840 person-years of DOAC follow-up). The median age was 76 years in both groups, the median number of concomitant drugs prescribed was 7. Overall, the hazard of major bleeding was similar between VKA-users and DOAC-users (hazard ratio [HR] 0.98; 95% confidence interval [CI] 0.87–1.11), though for apixaban a reduction in major bleeding was observed (HR 0.81; 95% CI 0.68–0.98). Risk of stroke was comparable, while risk of nonmajor bleeding was lower in DOAC users compared with VKA users (HR 0.92; 95% CI 0.88–0.97). We did not observe any evidence for an impact of polypharmacy on the relative risk of major bleeding between VKA and DOAC across our predefined three strata of concomitant drug use (p-value for interaction = 0.65). For mortality, however, risk of mortality was highest among DOAC users, increasing with polypharmacy and independent of the type of DOAC prescribed (p-value for interaction <0.01). Conclusion In this large observational, population-wide study of AF patients, risk of bleeding, and ischemic stroke were comparable between DOACs and VKAs, irrespective of the number of concomitant drugs prescribed. In AF patients with increasing polypharmacy, our data appeared to suggest an unexplained yet increased risk of mortality in DOAC-treated patients, compared with VKA recipients.

scholarly journals Adverse outcomes after worsening renal function in patients with atrial fibrillation: the Fushimi AF Registry

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
H Ogawa ◽  
Y An ◽  
S Ikeda ◽  
Y Aono ◽  
K Doi ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Renal Function ◽  
Oral Anticoagulants ◽  
Adverse Outcomes ◽  
Funding Source ◽  
Worsening Renal Function ◽  
Gault Formula ◽  
Bayer Healthcare ◽  
Artery Disease

Abstract Background Patients with atrial fibrillation (AF) commonly coexist with chronic kidney disease (CKD). Non-vitamin K antagonist oral anticoagulants (NOAC) are recommended for stroke prevention in patients with non-valvular atrial fibrillation (AF), and worsening renal function (WRF) as well as CKD is an important issue in using NOAC. However, little is known about the clinical outcomes of patients after WRF. Purpose We aimed to investigate outcomes after WRF in AF patients. Methods The Fushimi AF Registry is a community-based prospective survey of the AF patients in our city. Follow-up data including prescription status were available for 4,441 patients. Of them, 1,890 patients who have baseline and at least 1 follow-up creatinine clearance (CrCl) measurements, estimated by the Cockcroft-Gault formula, were analyzed in the present study. WRF was defined as a decrease of ≥20% from baseline CrCl measurement at any time point during follow-up. We evaluated demographics and outcomes after WRF in AF patients. Results During the median follow-up period of 2,194 days, mean CrCl decrease of 2.2 ml/min/year was observed and WRF occurred in 981 patients (51.9%). Patients with WRF were significantly more often female (with vs. without WRF; 40.3% vs. 35.4%; p=0.03), older (73.4 vs. 71.1 years of age; p&lt;0.01), more often paroxysmal type (49.9% vs. 47.1%; p&lt;0.01), and more likely to have prior stroke (17.9% vs. 12.7%; p&lt;0.01), heart failure (30.8% vs. 24.8%; p&lt;0.01), diabetes (31.7% vs. 27.1%; p=0.03), and coronary artery disease (19.9% vs. 12.1%; p&lt;0.01) than those without WRF. Co-existing of CKD and mean CrCl at baseline were comparable (37.4% vs. 36.9%; p=0.82, 65.3 vs. 63.5 ml/min; p=0.66, respectively). Mean CHA2DS2-VASc score was significantly higher in WRF patients (3.55 vs. 3.03; p&lt;0.01). On landmark analysis, all-cause mortality occurred in 135 patients (8.6 /100 person-years) after WRF and 82 patients (1.7 /100 person-years) without WRF, with an adjusted hazard ratio (HR) of 6.33 (95% confidence interval [CI], 4.33–9.50; p&lt;0.01), adjusted by sex, age, body weight, serum creatinine, type of AF, oral anticoagulant prescription and comorbidities. Stroke or systemic embolism occurred in 45 patients after WRF (3.0 /100 person-years) and 78 (1.7 /100 person-years) patients without WRF (adjusted HR 1.60 [95% CI, 1.04–2.49; p=0.03]) (Figure). Conclusions AF patients after WRF had higher incidence of various adverse events. Incidence of Adverse Outcomes Funding Acknowledgement Type of funding source: Other. Main funding source(s): The Practical Research Project for Life-Style related Diseases including Cardiovascular Diseases and Diabetes Mellitus from Japan Agency for Medical Research and Development. Boehringer Ingelheim, Bayer Healthcare, Pfizer, Bristol-Myers Squibb, Astellas Pharma, AstraZeneca, Daiichi-Sankyo, Novartis Pharma, MSD, Sanofi-Aventis, and Takeda Pharmaceutical.

Direct Anticoagulants Versus Vitamin K Antagonists in Patients Aged 80 Years or Older With Atrial Fibrillation in a “Real-world” Nationwide Registry: Insights From the FANTASIIA Study

2020 ◽  
Vol 25 (4) ◽  
pp. 316-323
Author(s):  
Martín Ruiz Ortiz ◽  
Javier Muñiz ◽  
María Asunción Esteve-Pastor ◽  
Francisco Marín ◽  
Inmaculada Roldán ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Vitamin K ◽  
Real World ◽  
Vitamin K Antagonists ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Left Ventricular ◽  
Anticoagulant Treatment ◽  
Cancer History

Objective: To describe major events at follow up in octogenarian patients with atrial fibrillation (AF) according to anticoagulant treatment: direct oral anticoagulants (DOACs) versus vitamin K antagonists (VKAs). Methods: A total of 578 anticoagulated patients aged ≥80 years with AF were included in a prospective, observational, multicenter study. Basal features, embolic events (stroke and systemic embolism), severe bleedings, and all-cause mortality at follow up were investigated according to the anticoagulant treatment received. Results: Mean age was 84.0 ± 3.4 years, 56% were women. Direct oral anticoagulants were prescribed to 123 (21.3%) patients. Compared with 455 (78.7%) patients treated with VKAs, those treated with DOACs presented a lower frequency of permanent AF (52.9% vs 61.6%, P = .01), cancer history (4.9% vs 10.9%, P = .046), renal failure (21.1% vs 32.2%, P = .02), and left ventricular dysfunction (2.4% vs 8.0%, P = .03); and higher frequency of previous stroke (26.0% vs 16.6%, P = .02) and previous major bleeding (8.1% vs 3.6%, P = .03). There were no significant differences in Charlson, CHA2DS2VASc, nor HAS-BLED scores. At 3-year follow up, rates of embolic events, severe bleedings, and all-cause death (per 100 patients-year) were similar in both groups (DOACs vs VKAs): 0.34 vs 1.35 ( P = .15), 3.45 vs 4.41 ( P = .48), and 8.2 vs 11.0 ( P = .18), respectively, without significant differences after multivariate analysis (hazard ratio [HR]: 0.25, 95% confidence interval [CI]: 0.03-1.93, P = .19; HR: 0.88, 95% CI: 0.44-1.76, P = .72 and HR: 0.84, 95% CI: 0.53-1.33, P = .46, respectively). Conclusion: In this “real-world” registry, the differences in major events rates in octogenarians with AF were not statistically significant in those treated with DOACs versus VKAs.

scholarly journals Recommendations on the Use of Non-Vitamin K Antagonist Oral Anticoagulants in Patients with Atrial Fibrillation (Based on 2018 European Heart Rhythm Association Practical Guide)

Kardiologiia ◽  
2019 ◽  
Vol 59 (5) ◽  
pp. 68-79
Author(s):  
L. V. Popova ◽  
T. B. Kondratieva ◽  
M. B. Aksenova ◽  
T. V. Khlevchuk ◽  
M. Z. Kanevskaya
Keyword(s):  
Atrial Fibrillation ◽  
Vitamin K ◽  
Randomized Clinical Trials ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Heart Rhythm ◽  
Vitamin K Antagonist ◽  
Advanced Liver Disease ◽  
Clinical Variants

Non-vitamin K antagonist oral anticoagulants (NOACs) – direct oral anticoagulants – are getting the ever-broadening use in clinical practice. However, many problems related to optimal use of NOACs in specific clinical situations remain unresolved. European Heart Rhythm Association in April 2018 issued the renovated recommendations on the use of NOACs in patients with atrial fibrillation. The authors of recommendations presented some specific clinical variants for which they formulated practical advices based on the evidence obtained in randomized clinical trials. They also outlined the indications for use of NOACs, formulated practical start-program and scheme of subsequent follow-up management of patients taking NOACs. Recommendations contain information on pharmacokinetics of NOACs and their interactions with other drugs, consideration of feasibility of NOACs use in patients with chronic renal insufficiency or advanced liver disease. Many other practical problems are covered as well.  

Abstract 17182: Patterns of Discontinuation for Non-vitamin K Oral Anticoagulants in Atrial Fibrillation: Results From the ORBIT-AF II Registry

Circulation ◽  
2015 ◽  
Vol 132 (suppl_3) ◽  
Author(s):  
Benjamin A Steinberg ◽  
DaJuanicia N Simon ◽  
Laine Thomas ◽  
Jack Ansell ◽  
Bernard J Gersh ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Clinical Practice ◽  
Vitamin K ◽  
Oral Anticoagulation ◽  
Oral Anticoagulants ◽  
Initial Therapy ◽  
Primary Reason ◽  
Rates Of Change ◽  
Number Of Patients

Background: Oral anticoagulation (OAC) is effective at preventing stroke in patients with atrial fibrillation (AF), yet warfarin is often poorly tolerated. Non-vitamin K oral anticoagulants (NOACs) are as or more effective as warfarin, yet their tolerance and persistence in clinical practice is not known. Methods: We assessed patterns of persistent OAC use among 2,345 AF patients starting on therapy in the ORBIT-AF II registry (71% starting on a NOAC, and 29% on warfarin). Results: By 6 months, 364 (22%) patients started on a NOAC had discontinued or changed initial therapy versus 143 (21%) started on warfarin initially (p=0.5). Among warfarin users, patients who switched or discontinued therapy were of similar age (median ages 72 and 74 vs. 74 for stable users, p=0.7) and CHA2DS2-VASc scores (mean 98 and 3.66 vs. 3.84, p=0.4). Among NOAC users, those who discontinued treatment were younger (median age 68 vs. 73 for those who switched and 72 for stable users; p=0.0004), and lower CHA2DS2-VASc scores (3.02 vs. 3.58 and 3.47, respectively; p=0.0008). The median time to change or discontinuation was more rapid in those started on a NOAC vs warfarin (97 days vs. 122 days, p=0.003). Among those on warfarin at baseline, 7.6% (n=52) were switched to a NOAC within 6 months, whereas transitions from NOAC to warfarin was 2.5% (n=42).Transitions among NOACs occurred in 9.8%, 3.2%, and 5.5% of patients on baseline dabigatran, rivaroxaban, and apixaban, respectively. Physician preference was the most common reason for both OAC and warfarin changes (Table). Drug cost was the primary reason for change of therapy in 15% of NOAC users (vs. 0 for warfarin). Conclusions: At 6-month follow-up, one in five newly started on OAC had discontinued or changed. These rates of change were similar among warfarin and NOAC treated patients. Cost concerns drove discontinuation in a modest number of patients, however, cost concerns were more prevalent in NOAC-treated patients.

scholarly journals Comparative Analysis of Antithrombotic Therapy in In-Patients with Atrial Fibrillation

2019 ◽  
Vol 15 (1) ◽  
pp. 49-53
Author(s):  
V. I. Petrov ◽  
O. V. Shatalova ◽  
A. S. Gerasimenko ◽  
V. S. Gorbatenko
Keyword(s):  
Atrial Fibrillation ◽  
High Risk ◽  
Anticoagulant Therapy ◽  
Vitamin K Antagonists ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Thromboembolic Complications ◽  
Antithrombotic Agents ◽  
Cardiology Department ◽  
Number Of Patients

Aim. To study the frequency of prescribing antithrombotic agents in patients with non-valvular atrial fibrillation (AF) who were hospitalized in the cardiology department of a multidisciplinary hospital.Material and methods. A retrospective one-time study of medical records of 765 patients with non-valvular AF treated in the cardiology department of a multidisciplinary hospital in 2012 and 2016 was performed.Results. All patients were stratified in three groups depending on the CHA2DS2-VASc score. The frequency of prescribing antithrombotic agents was evaluated in each group. A low risk of thromboembolic complications was found in 1% (n=3) of patients in 2012 and 0.6% (n=3) in 2016. All these patients received antithrombotic agents. CHA2DS2-VASc=1 was found in 6% (n=15) of patients with AF in 2012 and in 3.4% (n=17) in 2016. A significant number of patients in this group received anticoagulant therapy with vitamin K antagonists (warfarin) or with direct oral anticoagulants. A high risk of thromboembolic complications (CHA2DS2-VASc≥2) was found in 93% of patient (n=245) in 2012 and in 96% (n=482) in 2016. Anticoagulant therapy was prescribed in 70.2% (n=172) patients with high risk in 2012 and 80% (n=387) in 2016. However, some patients with high risk of thromboembolic complications did not have the necessary therapy.Conclusion. Positive changes in the structure and frequency of prescribing anticoagulant drugs in patients with AF and a high risk of thromboembolic complications were found during the years studied. 

P675Current status of anticoagulation in patients with breast cancer and atrial fibrillation

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
A Pardo Sanz ◽  
L M Rincon ◽  
P Guedes Ramallo ◽  
L Belarte ◽  
G De Lara ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Atrial Fibrillation ◽  
Vitamin K Antagonists ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Bleeding Risk ◽  
Bleeding Events ◽  
Patients With Cancer ◽  
Oncologic Patients

Abstract Aims Balance between embolic and bleeding risk is challenging in patients with cancer. There is a lack of specific recommendations for the use of antithrombotic therapy in oncologic patients with atrial fibrillation (AF). We compared the embolic and bleeding risk, the preventive management and the incidence of events between patients with and without cancer. We further evaluated the effectiveness and safety of direct oral anticoagulants (DOACs) and vitamin K antagonists (VKAs) within patients with cancer. Methods The AMBER-AF registry is an observational multicentre study that analysed patients with non-valvular AF treated in Oncology and Cardiology Departments in Spain. 1237 female patients with AF were enrolled: 637 with breast cancer and 599 without cancer. Mean follow-up was 3.1 years. Results Both groups were similar in age, CHA2DS2-VASc and HASB-LED scores. Lack of guidelines recommended therapies was more frequent among patients with cancer. Compared with patients without cancer, adjusted rates of stroke (hazard ratio [95% confidence interval]) in cancer patients were higher (1.56 [1.04–2.35]), whereas bleeding rates remained similar (1.25 [0.95–1.64]). Within the group of patients with cancer, the use of DOACs vs VKAs did not entail differences in the adjusted rates of stroke (0.91 [0.42–1.99]) or severe bleedings (1.53 [0.93–2.53]). Follow-up events Conclusions Antithrombotic management of AF frequently differs in patients with breast cancer. While breast cancer is associated with a higher risk of incident stroke, bleeding events remained similar. Patients with cancer treated with DOACs experienced similar rates of stroke and bleeding as those with VKAs.

scholarly journals 286 Incidence of pocket haematoma with different anticoagulation strategies in patients undergoing cardiac implantable device implant or revision

2021 ◽  
Vol 23 (Supplement_G) ◽  
Author(s):  
Enrico Guido Spinoni ◽  
Matteo Santagostino ◽  
Simona Costantino ◽  
Eleonora Battistini ◽  
Gabriele Dell’Era ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Multivariate Analysis ◽  
Propensity Score ◽  
Electronic Device ◽  
Oral Anticoagulant Therapy ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Cox Proportional Hazards ◽  
Bleeding Complications

Abstract Aims Direct oral anticoagulants (DOACs) are known for lower bleeding risk than vitamin K antagonist (VKA) in patients with atrial fibrillation (AF). To date, it has not been established whether in such population DOAC may offer reduction of bleeding complication in patients undergoing cardiac implantable electronic device (CIED) implant or revision (substitution, upgrade, or downgrade). We evaluated whether DOACs compared to VKAs, decrease bleeding complications at the time of CIED implant in patients with AF, requiring oral anticoagulant therapy. Methods and results We present a monocentric observational retrospective study. Patients undergoing implant, generator replacement, or upgrading/downgrading of an intracardiac device (PM, ICD, or CRT) between January 2015 and March 2021 with AF undergoing DOAC or VKA were included. The comparison of risk of clinically significant pocket hematoma at 30-days follow-up in the two-treatment group [DOAC vs. VKA and DOAC vs. VKA without low molecular weight eparin (LMWH) bridge] was performed. Cox proportional hazards regression analysis including main clinical findings was performed to test the primary endpoint. Propensity score matching analysis was performed, with inversed proportional weighted (IPW) propensity score included in the multivariate analysis. 311 patients were included, 146 (46.9%) treated with DOAC and 165 (53.1%) treated with VKA. The incidence pocket haematoma was significantly reduced in patients treated with DOAC compared with VKA (3.4% vs. 13.3%, respectively, P = 0.002), a finding confirmed on multivariate analysis (HR: 3.02, CI: 1.10–8.29, P = 0.032). The incidence of pocket haematoma in patients on DOAC vs. VKA without LMWH bridge therapy was found to be significantly higher in the latter group of patients (P = 0.033, HR: 2.93, CI: 1.01–8.49, P = 0.48). After adjusting at propensity score with IPW, DOAC use showed decreased risk of pocket haematoma (HR: 0.29, CI: 0.09–0.95, P = 0.42). Conclusions In patients with atrial fibrillation undergoing CIED implant or revision, DOAC therapy appears to be associated with lower risk of event-related pocket haematoma at 30-day follow-up, even in the absence of bridging with LWMH. Such findings are hypothesis-generating.

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