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1.
Intern Med J ; 53(10): 1790-1795, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-36448650

RESUMO

BACKGROUND: Information on inappropriate dosing of direct oral anticoagulants (DOACs) is scarce in the Australian context. AIM: To describe the prevalence and potential predictors of inappropriate dosing of DOACs. METHODS: Patients who received DOACs during admission under a general medical unit over a 2-year period (from January 2017 to December 2018) were retrospectively studied. Appropriateness of the dosing regimen was verified against the recommendations of the Therapeutic Goods Administration of Australia. Data were obtained from medical records and analysed in univariate and multivariate logistic regression models. The variables associated with under- and overdosing were also determined. RESULTS: A total of 203 (mean age 71.6 ± 14.5 years, females 52%) patients were studied. Inappropriate dosing occurred in 44 (22%) patients: underdosing 27 (13%) and overdosing 17 (8%). Age ≥75 years (P < 0.01), lower estimated creatinine clearance (CrCl) (P < 0.01), prescription of DOAC prior to index admission (P < 0.01) and higher Charlson Comorbidity Index (P < 0.01), HAS-BLED (P < 0.01) and CHA2 DS2 -VASc (P < 0.01) scores had a significant univariate association with inappropriate dosing. However, in the multivariate logistic regression only lower CrCl (odds ratio (OR) 1.04, 95% confidence interval (CI): 1.01-1.07, P < 0.01) and prescription of DOAC prior to index admission (OR 2.62, 95% CI: 1.01-6.75, P = 0.047) remained significantly associated with inappropriate dosing. Impaired renal function also had a significant association with underdosing (OR 1.04, 95% CI: 1.01-1.07, P = 0.01) and borderline significance with overdosing (OR 1.03, 95% CI: 1.00-1.07, P = 0.06). CONCLUSION: Inappropriate dosing of DOACs, especially underdosing, is common in clinical practice. Clinicians should exercise due diligence when prescribing DOACs to patients with renal impairment and in outpatient settings.


Assuntos
Fibrilação Atrial , Overdose de Drogas , Insuficiência Renal , Acidente Vascular Cerebral , Feminino , Humanos , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Anticoagulantes/uso terapêutico , Prevalência , Estudos Retrospectivos , Austrália/epidemiologia , Hospitalização , Insuficiência Renal/epidemiologia , Insuficiência Renal/tratamento farmacológico , Overdose de Drogas/tratamento farmacológico , Fibrilação Atrial/epidemiologia , Administração Oral , Acidente Vascular Cerebral/tratamento farmacológico
2.
Heart Lung Circ ; 32(8): 938-948, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37291001

RESUMO

BACKGROUND: Statins are well-established for their treatment of cardiovascular disease (CVD) due to their cholesterol-lowering effects and potential anti-inflammatory properties. Although previous systematic reviews demonstrate that statins reduce inflammatory biomarkers in the secondary prevention of CVD, none examine their effects on cardiac and inflammatory biomarkers in a primary prevention setting. METHODS: We conducted a systematic review and meta-analysis to examine the effects of statins on cardiovascular and inflammatory biomarkers among individuals without established CVD. The biomarkers included are: cardiac troponin, N-terminal pro B-type natriuretic peptide (NT-proBNP), C-reactive protein (CRP), tumour necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), soluble vascular cell adhesion molecule (sVCAM), soluble intercellular adhesion molecule (sICAM), soluble E-selectin (sE-selectin) and endothelin-1 (ET-1). A literature search was performed through Ovid MEDLINE, Embase and CINAHL Plus for randomised controlled trials (RCTs) published up to June 2021. RESULTS: Overall, 35 RCTs with 26,521 participants were included in our meta-analysis. Data was pooled using random effects models presented as standardised mean differences (SMD) with 95% confidence intervals (CI). Combining 36 effect sizes from 29 RCTs, statin use resulted in a significant reduction in CRP levels (SMD -0.61; 95% CI -0.91, -0.32; P<0.001). This reduction was observed for both hydrophilic (SMD -0.39; 95% CI -0.62, -0.16; P<0.001) and lipophilic statins (SMD -0.65; 95% CI -1.01, -0.29; P<0.001). There were no significant changes in serum concentrations of cardiac troponin, NT-proBNP, TNF-α, IL-6, sVCAM, sICAM, sE-selectin and ET-1. CONCLUSION: This meta-analysis demonstrates that statin use reduces serum CRP levels in a primary prevention setting for CVD, with no clear effect on the other eight biomarkers studied.


Assuntos
Doenças Cardiovasculares , Inibidores de Hidroximetilglutaril-CoA Redutases , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Interleucina-6 , Fator de Necrose Tumoral alfa , Biomarcadores , Doenças Cardiovasculares/prevenção & controle , Troponina
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