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Circulação periférica em pacientes com insuficiência aórtica crônica e indicação de troca valvar / Peripheral circulation in patients with chronic aortic insufficiency and valve replacement indication
São Paulo; s.n; 2005. [94] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-586983
RESUMO

Introdução:

O recente aperfeiçoamento da ultra-sonografia permitiu a análise estrutural e funcional do vaso. Casuística e

Métodos:

36 pacientes com insuficiência aórtica e indicação de troca valvar, divididos em grupos com pressão arterial diastólica (PAD) superior e inferior a 50mmHg, avaliados antes e seis meses após a cirurgia. A função arterial compreendeu a complacência, distensibilidade e a função endotelial pela dilatação fluxo-mediada e nitrato-mediada.

Conclusão:

A complacência e a distensibilidade foram maiores no grupo com menor PAD e diminuíram após a cirurgia. A disfunção endotelial foi presente em insuficiência aórtica crônica independente do nível da pressão arterial diastólica.
ABSTRACT

Introduction:

The recent improvement of ultrasonography made possible a functional and structural analysis of the vessel.

Methods:

36 patients with aortic insufficiency and valve replacement need, divided in 2 groups with diastolic blood pressure (DBP) above and below 50mmHg. Checked twice before and 6 months after surgery. The arterial function comprised compliance, distensibility and endothelial function through flow-mediated dilatation and nitrate-mediated dilatation.

Conclusion:

The compliance and distensibility were higher in the group with lower DBP and decreased after surgery. Endothelial dysfunction was present in chronic aortic insufficiency no matter the level of DBP.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Aortic Valve Insufficiency / Blood Circulation / Follow-Up Studies / Compliance / Prosthesis Implantation / Endothelium / Arterial Pressure Type of study: Observational study / Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2005 Type: Thesis

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LIS

Full text: Available Index: LILACS (Americas) Main subject: Aortic Valve Insufficiency / Blood Circulation / Follow-Up Studies / Compliance / Prosthesis Implantation / Endothelium / Arterial Pressure Type of study: Observational study / Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2005 Type: Thesis