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1.
Am J Cardiol ; 210: 266-272, 2024 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-37973439

RESUMO

Remote cardiac rehabilitation (RCR) represents a promising, noninferior alternative to facility-based cardiac rehabilitation (FBCR). The comparable cost of RCR in US populations has yet to be extensively studied. The purpose of this prospective, patient-selected study of traditional FBCR versus a third-party asynchronous RCR platform was to assess whether RCR can be administered at a comparable cost and clinical efficacy to FBCR. Adult insured patients were eligible for enrollment after an admission for a coronary heart disease event. Patients selected either FBCR or Movn RCR, a 12-week telehealth intervention using an app-based platform and internet-capable medical devices. Clinical demographics, intervention adherence, cost-effectiveness, and hospitalizations at 1-year after enrollment were assessed from the Highmark claims database after propensity matching between groups. A total of 260 patients were included and 171 of those eligible (65.8%) received at least 1 cardiac rehabilitation session and half of the patients chose Movn RCR. The propensity matching produced a sample of 41 matched pairs. Movn RCR led to a faster enrollment and higher completion rates (80% vs 50%). The total medical costs were similar between Movn RCR and FBCR, although tended toward cost savings with Movn RCR ($10,574/patient). The cost of cardiac rehabilitation was lower in those enrolled in Movn RCR ($1,377/patient, p = 0.002). The all-cause and cardiovascular-related hospitalizations or emergency department visits in the year after enrollment in both groups were similar. In conclusion, this pragmatic study of patients after a coronary heart disease event led to equivalent total medical costs and lower intervention costs for an asynchronous RCR platform than traditional FBCR while maintaining similar clinically important outcomes.


Assuntos
Reabilitação Cardíaca , Doença da Artéria Coronariana , Telemedicina , Adulto , Humanos , Doença da Artéria Coronariana/reabilitação , Estudos Prospectivos , Custos e Análise de Custo
2.
J Am Soc Echocardiogr ; 30(10): 1028-1034.e2, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28781117

RESUMO

BACKGROUND: The mechanistic basis for tortuosity of the coronary arteries (TCA) is unclear. The aim of this study was to test the hypothesis that the relative degree of systolic longitudinal shortening of the left ventricle that deforms coaxially oriented coronary arteries is associated with TCA. METHODS: Adult subjects undergoing coronary angiography and comprehensive echocardiography within 3 months were classified dichotomously as with (n = 32) or without (n = 42) TCA defined on the basis of number and severity of coronary angles. Systolic left ventricular (LV) longitudinal deformation was determined by mitral annular plane systolic excursion (MAPSE) from both B-mode displacement and tissue Doppler time-velocity integral; data were indexed to LV diastolic long-axis length. RESULTS: There were no differences between groups with respect to age, gender, hypertension, or coronary artery disease. Patients with TCA had significantly (P < .01) lower LV mass index and a shorter total LV diastolic long-axis length (mean, 8.3 ± 1.9 vs 9.1 ± 2.2 cm; P < .01). Despite having a shorter length, those with TCA had greater MAPSE by both methods. MAPSE normalized to diastolic length was significantly greater (P < .01) in those with TCA, which remained the case after excluding subjects with reduced LV ejection fraction. Multiple linear regression found that lateral annular MAPSE had the largest effect size, with a 13-fold increase in likelihood for TCA for every 0.1 of normalized MAPSE. CONCLUSIONS: TCA is not associated with increased LV mass but rather with smaller hearts that have greater relative longitudinal shortening of the left ventricle. This finding suggests that TCA could represent an adaptive response to longitudinal systolic distortion of coaxially oriented coronary arteries that dynamically produce shear stresses associated with expansive coronary remodeling.


Assuntos
Angiografia Coronária/métodos , Anomalias dos Vasos Coronários/diagnóstico por imagem , Ecocardiografia/métodos , Contração Miocárdica , Idoso , Estudos de Casos e Controles , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Retrospectivos , Fatores de Risco , Sensibilidade e Especificidade
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