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1.
J Cardiovasc Electrophysiol ; 26(10): 1111-6, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-26222980

RESUMO

INTRODUCTION: Cardiac implantable electronic device (CIED) infections are potentially preventable complications associated with high morbidity, mortality, and cost. A recently developed bio-absorbable antibacterial envelope (TYRX™-A) might prevent CIED infections in high-risk subjects. However, data regarding safety and efficacy have not been published. METHODS AND RESULTS: In a single-center retrospective cohort study, we compared the prevalence of CIED infections among subjects with ≥2 risk factors treated with the TYRX™-A envelope (N = 135), the nonabsorbable TYRX™ envelope (N = 353), and controls who did not receive an envelope (N = 636). Infection was ascertained by individual chart review. The mean (95% confidence interval) number of risk factors was 3.08 (2.84-3.32) for TYRX™-A, 3.20 (3.07-3.34) for TYRX™, and 3.09 (2.99-3.20) for controls, P = 0.3. After a minimum 300 days follow-up, the prevalence of CIED infection was 0 (0%) for TYRX™-A, 1 (0.3%) for TYRX™, and 20 (3.1%) for controls (P = 1 for TYRX™-A vs. TYRX™, P = 0.03 for TYRX™-A vs. controls, and P = 0.002 for TYRX™ vs. controls). In a propensity score-matched cohort of 316 recipients of either envelope and 316 controls, the prevalence of infection was 0 (0%) and 9 (2.8%), respectively, P = 0.004. When limited to 122 TYRX™-A recipients and 122 propensity-matched controls, the prevalence of CIED infections was 0 (0%) and 5 (4.1%), respectively, P = 0.024. CONCLUSIONS: Among high-risk subjects, the TYRX™-A bio-absorbable envelope was associated with a very low prevalence of CIED related infections that was comparable to that seen with the nonabsorbable envelope.


Assuntos
Antibacterianos/administração & dosagem , Desfibriladores Implantáveis/estatística & dados numéricos , Implantes de Medicamento/administração & dosagem , Marca-Passo Artificial/estatística & dados numéricos , Infecções Relacionadas à Prótese/epidemiologia , Infecções Relacionadas à Prótese/prevenção & controle , Implantes Absorvíveis/estatística & dados numéricos , Idoso , Causalidade , Estudos de Coortes , Preparações de Ação Retardada/administração & dosagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , Infecções Relacionadas à Prótese/diagnóstico , Estudos Retrospectivos , Fatores de Risco , Distribuição por Sexo , Taxa de Sobrevida , Tennessee/epidemiologia , Resultado do Tratamento
2.
J Electrocardiol ; 44(2): 229-31, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-20888004

RESUMO

We report a patient with numerous abnormal electrocardiograms (ECGs) in both inpatient and outpatient settings. Our patient both simulated and stimulated her arrhythmias with an ECG rhythm generator and intentional caffeine intoxication. To our knowledge, this is the first report of caffeine overdose for arrhythmogenesis.


Assuntos
Cafeína/toxicidade , Síndrome de Munchausen/induzido quimicamente , Síndrome de Munchausen/diagnóstico , Taquicardia Ventricular/induzido quimicamente , Taquicardia Ventricular/diagnóstico , Adulto , Estimulantes do Sistema Nervoso Central/toxicidade , Feminino , Humanos
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