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1.
Tex Heart Inst J ; 40(3): 316-9, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23914030

RESUMO

Inferior vena cava filters are commonly used to prevent pulmonary embolism in patients who manifest deep vein thrombosis and recurrent pulmonary embolism despite anticoagulation, or in patients with contraindications to anticoagulation. We report the case of a 69-year-old man with a structurally normal heart who experienced migration of an inferior vena cava filter to the right ventricle, which caused the abrupt onset of recurrent episodes of nonsustained ventricular tachycardia unresponsive to intravenous antiarrhythmic medication. Cardiac imaging revealed the location of the filter within the right ventricle, and the device was removed, with subsequent resolution of the arrhythmia. We anticipate that the incidence of inferior vena cava filter migration might increase in the future because of recent changes in device construction. The sudden appearance of nonsustained ventricular tachycardia in a patient with an inferior vena cava filter might indicate the occurrence of this potentially life-threatening sequela and should lead to emergent cardiac imaging.


Assuntos
Migração de Corpo Estranho/etiologia , Taquicardia Ventricular/etiologia , Filtros de Veia Cava/efeitos adversos , Idoso , Antiarrítmicos/uso terapêutico , Cateterismo Cardíaco , Remoção de Dispositivo/métodos , Resistência a Medicamentos , Ecocardiografia , Migração de Corpo Estranho/diagnóstico , Migração de Corpo Estranho/terapia , Ventrículos do Coração , Humanos , Masculino , Radiografia Intervencionista , Recidiva , Taquicardia Ventricular/diagnóstico , Taquicardia Ventricular/terapia , Resultado do Tratamento
2.
Am J Cardiol ; 111(6): 800-3, 2013 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-23291089

RESUMO

The onset of acute myocardial infarction (AMI) has been shown to occur in a nonrandom pattern, with peaks in midmorning and on weekdays (especially Monday). The incidence of AMI has been shown to increase locally after natural disasters, but the effect of catastrophic events on AMI biorhythms is largely unknown. To assess the differences in the chronobiology of AMI in residents of New Orleans before and after Hurricane Katrina, the onset of AMI in patients at Tulane University Health Sciences Center in the 6 years before and the 3 years after Hurricane Katrina was retrospectively examined. Compared to the pre-Katrina group, the post-Katrina cohort demonstrated significant decreases in the onset of AMI during mornings (p = 0.002), Mondays (p <0.0001), and weekdays (p <0.0001) and significant increases in onset during weekends (p <0.0001) and nights (p <0.0001). These changes persisted during all 3 years after the storm. In conclusion, the normal pattern of AMI onset was altered after Hurricane Katrina, and expected morning, weekday, and Monday peaks were eliminated.


Assuntos
Fenômenos Cronobiológicos , Infarto do Miocárdio/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Distribuição de Qui-Quadrado , Angiografia Coronária , Tempestades Ciclônicas , Feminino , Humanos , Incidência , Acontecimentos que Mudam a Vida , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/diagnóstico por imagem , Infarto do Miocárdio/psicologia , Nova Orleans/epidemiologia , Estudos Retrospectivos , Fatores de Risco
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