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The impact of mental health conditions on oral anticoagulation therapy and outcomes in patients with atrial fibrillation: A systematic review and meta-analysis.

ABSTRACT: One third of patients with atrial fibrillation (AF) are estimated to suffer from mental health conditions (MHCs). We conducted a systematic review and meta-analysis to investigate the impact of MHCs on the prevalence and quality of oral anticoagulation (OAC) therapy and outcomes in patients with AF. Medline database was searched for studies published before March 1st 2021 evaluating AF patients with comorbid MHCs reporting on the prevalence of OAC therapy, time in therapeutic range (TTR) in warfarin-receiving patients, adherence to OAC therapy or adverse outcomes (ischemic stroke, hemorrhage or mortality). Studies reporting on outcome events were included in the meta-analysis. The literature search yielded 17 studies including 977,535 patients that fulfilled the inclusion criteria of this review. AF patients with MHCs had a lower prevalence of OAC use and poorer TTR compared with patients without MHCs. Evidence on OAC quality in patients receiving direct oral anticoagulants (DOACs) was minimal and inconclusive. A decrease in depression-associated deficit in OAC prevalence was observed after the introduction of DOACs. Pooled analysis of five studies reporting on outcomes showed that MHCs were an independent risk factor for both stroke (RR 1.25, 95%CI 1.08-1.45, I² 0%) and major bleeding (RR 1.17, 95%CI 1.08-1.27, I² 27%). Data on mortality were lacking and therefore not included in the meta-analysis. Evidence on the impact of specific MHCs on the outcomes were inadequate. In conclusion, MHCs are independent risk factors for stroke and major bleeding in patients with AF. Future studies are needed to confirm the findings of this meta-analysis, to evaluate the prognostic impact of different MHCs and to clarify whether the introduction of DOACs might have improved the outcomes of these patients.

SUBMITTER: Teppo K

PROVIDER: S-EPMC8387298 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundPost-operative atrial fibrillation (POAF) is the most common complication after cardiac surgery. Recent studies had shown this phenomenon is no longer considered transitory and is associated with higher risk of thromboembolic events or death. The aim of this study was to systematically review and analyze previous studies comparing oral anticoagulation therapy with no anticoagulation, regarding these long-term outcomes.MethodsPubMed/MEDLINE, EMBASE, Web of Science and Cochrane Database were systematically searched to identify the studies comparing the risk of stroke, or thromboembolic events or mortality of POAF patients who received anticoagulation compared with those who were not anticoagulated. Incidence of stroke, thromboembolic events and all-cause mortality were evaluated up to 10 years after surgery. Time-to-event outcomes were collected through hazard ratio (HR) along with their variance and the early endpoints using frequencies or odds ratio (OR). Random effect models were used to compute statistical combined measures and 95% confidence intervals (CI). Heterogeneity was evaluated through Q statistic-related measures of variance (Tau2, I2, Chi-squared test).ResultsEight observational cohort studies were selected, including 15,335 patients (3492 on Oral Anticoagulants (OAC) vs 11,429 without OAC) that met the inclusion criteria for qualitative synthesis. Patients had a wide gender distribution (38.6-82.3%), each study with a mean age above 65 years (67.5-85). Vitamin K antagonists were commonly prescribed anticoagulants (74.3-100%). OAC was associated with a protective impact on all-cause mortality at a mean of 5.0 years of follow-up (HR is 0.85 [0.72-1.01]; p = 0.07; I2 = 48%). Thromboembolic events did not differ between the two treatment arms (HR 0.68 [0.40-1.15], p = 0.15).ConclusionCurrent literature suggests a possibly protective impact of OAC therapy for all-cause mortality in patients with new-onset atrial fibrillation after cardiac surgery. However, it does not appear to impact thromboembolism rate.

Project description:ObjectivesThis study sought to describe clinical outcomes among patients with atrial fibrillation (AF) and contraindications to oral anticoagulation (OAC).BackgroundTreatment with OAC prevents stroke and death in patients with AF, but may be contraindicated among patients at high bleeding risk.MethodsThis was an observational, longitudinal analysis of a nationally representative 5% Medicare sample of patients with chronic AF and CHA2DS2-VASc (congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, prior stroke or transient ischemic attack or thromboembolism, vascular disease, age 65-74 years, sex category) score ≥2. They were stratified by both the presence of high bleeding risk contraindications to OAC and by OAC use. We assessed 3-year ischemic and bleeding outcomes using multivariable Cox proportional hazards models adjusted for relevant patient characteristics.ResultsAmong 26,684 AF patients not treated with OAC, 8,283 (31%) had a high bleeding risk contraindication, primarily a blood dyscrasia (75%) or history of gastrointestinal bleeding (40%). Without OAC, patients with contraindications had worse ischemic and bleeding outcomes at 3 years compared with those without contraindications. We also identified 12,454 patients with OAC contraindications who received OAC. Compared with patients not receiving OAC, use of OAC was associated with reduced mortality (adjusted hazard ratio [HR]: 0.79; 95% confidence interval [CI]: 0.76 to 0.83), stroke (adjusted HR: 0.90; 95% CI: 0.83 to 0.99), and all-cause hospitalization (adjusted HR: 0.93; 95% CI: 0.90 to 0.96) but increased risk of intracranial hemorrhage (adjusted HR: 1.42; 95% CI: 1.17 to 1.72).ConclusionsHigh bleeding risk contraindications to OAC are common among older patients with AF, and these patients have higher mortality compared with untreated patients without OAC contraindications. The use of OAC in these patients is associated with lower rates of all-cause stroke, hospitalization, and death but higher risk of intracranial hemorrhage.

Project description:Background We compared the cognitive status and quality of life in patients with atrial fibrillation undergoing left atrial appendage occlusion (LAAO) or remaining on oral anticoagulation (OAC) after atrial fibrillation ablation. Methods and Results Cognition was assessed by the Montreal Cognitive Assessment (MoCA) survey at baseline and follow-up. Consecutive patients receiving LAAO or OAC after atrial fibrillation ablation were screened, and patients with a score of ≤17 were excluded from the study. Quality of life was measured at baseline and 1 year using the Atrial Fibrillation Effect on Quality of Life survey. A total of 50 patients (CHA2DS2-VASc [congestive heart failure, hypertension, age≥75 years, diabetes mellitus, stroke or transient ischemic attack, vascular disease, age 65-74 years, sex category] score: 3.30±1.43) in the LAAO group and 48 (CHA2DS2-VASc score 2.73±1.25) in the OAC group were included in this prospective study. Mean baseline MoCA score was 26.18 and 26.08 in the LAAO and OAC groups, respectively (P=0.846). At 1 year, scores were 26.94 and 23.38 in the respective groups. MoCA score decreased by an estimated -2.74 (95% CI, -3.61 to -1.87; P<0.0001) points in the OAC group, whereas the change in the LAAO group was nonsignificant (0.79; (95% CI, -0.06 to 1.64; P=0.07). After adjusting for baseline clinical characteristics, remaining on OAC was an independent predictor of MoCA change at 1 year (regression coefficient, -3.38; 95% CI, -4.75 to -2.02; P<0.0001). Change in Atrial Fibrillation Effect on Quality of Life score did not differ significantly in achieving a clinically important difference between groups. Conclusions In this series, a significant difference in the postprocedure MoCA score was observed in postablation patients with atrial fibrillation receiving LAAO versus remaining on OAC with a substantial decline in the score in the OAC group. However, quality of life improved similarly across groups. Registration https://www.ClinicalTrials.gov. Unique identifier: NCT01816308.

Project description:BACKGROUND:Cardiological societies recommend, in their guidelines, that patients with atrial fibrillation and an intermediate (or higher) risk of stroke and systemic embolization should be treated with oral anticoagulant drugs. For patients who do not have mitral valve stenosis or a mechanical valve prosthesis, non-vitamin-K dependent oral anticoagulants (NOAC) are preferred over vitamin K antagonists (VKA) for this purpose. It is unclear, however, whether patients with chronic kidney disease and atrial fibrillation benefit from oral anticoagulation to the same extent as those with normal kidney function. It is also unclear which of the two types of anti - coagulant drug is preferable for patients with chronic kidney disease; NOAC are, in part, renally eliminated. METHODS:This review is based on pertinent publications retrieved by a selective literature search, and on international guidelines. RESULTS:Current evidence suggests that patients with atrial fibrillation who have chronic kidney disease with a glomerular filtration rate (GFR) above 15 mL/ min/1.73 m² should be treated with an oral anticoagulant drug if they have an at least intermediate risk of embolization, as assessed with the CHA2DS2-VASc score. For patients with advanced chronic kidney disease (GFR from 15 to 29 mL/ min/1.73 m²), however, this recommendation is based only on registry studies. For dialysis patients with atrial fibrillation, decisions whether to give oral anticoagulant drugs should be taken on an individual basis, in view of the elevated risk of hemorrhage and the unclear efficacy of such drugs in these patients. The subgroup analyses of the NOAC approval studies show that, for patients with atrial fibrillation and chronic kidney disease with a creatinine clearance of >25-30 mL/min, NOAC should be given in preference to VKA, as long as the patient does not have mitral valve stenosis or a mechanical valve prosthesis. For those whose creatinine clearance is less than 25 mL/min, the relative merits of NOAC versus VKA are still debated. CONCLUSION:The cardiological societies' recommendation that patients with atrial fibrillation should be given oral anticoagulant drugs applies to the majority of such patients who also have chronic kidney disease.

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The impact of mental health conditions on oral anticoagulation therapy and outcomes in patients with atrial fibrillation: A systematic review and meta-analysis.

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