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Apo B/Apo A-I ratio in central and peripheral arterial diseases
Lima, Luciana M; Carvalho, Maria das Graças; Sabino, Adriano de P; Mota, Ana P. L; Fernandes, Ana P; Sousa, Marinez O.
  • Lima, Luciana M; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
  • Carvalho, Maria das Graças; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
  • Sabino, Adriano de P; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
  • Mota, Ana P. L; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
  • Fernandes, Ana P; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
  • Sousa, Marinez O; Federal University of Minas Gerais. Faculty of Pharmacy. Belo Horizonte. BR
Arq. bras. endocrinol. metab ; 51(7): 1160-1165, out. 2007. tab, graf
Article in English | LILACS | ID: lil-470081
ABSTRACT

BACKGROUND:

The apo B/apo A-I ratio represents the balance between atherogenic particles, rich in apo B, and the antiatherogenic ones, apo A-I rich. This study investigated the association between atherosclerotic diseases in different anatomical sites and apo B/apo A-I ratio.

METHODS:

Lipids, lipoproteins, and apolipoproteins A-I and B were assessed in 30 subjects with coronary artery disease (CAD), 26 with ischemic stroke (IS), 30 with peripheral arterial obstructive disease (PAOD), and 38 healthy subjects (controls).

RESULTS:

HDLc and Apo A-I were significantly lower in PAOD and CAD groups, respectively, than in other groups. Significantly higher levels of triglycerides were observed for CAD and PAOD groups than for controls. Apo B was significantly higher in IS group than in control and PAOD groups. The apo B/apo A-I ratio showed significantly higher in CAD and IS groups when compared to control and PAOD groups (p < 0.001).

CONCLUSION:

The apo B/apo A-I ratio was important for identifying an increased trend for coronary and cerebral atherosclerosis. In spite of the increased trend for apo B/apo A-I ratio in IS and CAD groups, the studied variables cannot be considered in an isolated way, given as those parameters were analyzed together by a binary logistic regression, no association has been demonstrated.
RESUMO

INTRODUÇÃO:

O índice apo B/apo A-I representa o balanço entre partículas de colesterol potencialmente aterogênicas ricas em apo B e partículas anti-aterogênicas ricas em apo A-I. O objetivo deste estudo foi investigar a associação entre doenças ateroscleróticas em diferentes sítios anatômicos e o índice apo B/apo A-I.

MÉTODOS:

Lípides, lipoproteínas e apolipoproteínas A-I e B foram quantificados em 30 indivíduos apresentando doença arterial coronariana (DAC), 26 com acidente vascular cerebral (AVC), 34 apresentando doença arterial obstrutiva periférica (DAOP) e 38 indivíduos hígidos (grupo controle).

RESULTADOS:

HDLc e apo A-I apresentaram-se significativamente mais baixos nos grupos DAOP e DAC, respectivamente, quando comparados com os demais grupos. Níveis de triglicérides foram significativamente mais elevados nos grupos DAC e PAOD quando comparados com o grupo controle. Apo B foi significativamente mais elevada no grupo AVC quando comparado com os grupos controle e DAOP. O índice apo B/apo A-I se mostrou significativamente elevado nos grupos DAC e AVC quando comparados com os demais (p < 0,001).

CONCLUSÃO:

O índice apo B/apo A-I foi importante para identificar uma tendência aumentada para aterosclerose coronariana e cerebral. No entanto, os parâmetros avaliados não podem ser considerados de forma isolada, considerando que nenhuma associação foi demonstrada quando os dados foram analisados pelo modelo de regressão logística binária.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Apolipoproteins B / Coronary Artery Disease / Peripheral Vascular Diseases / Apolipoprotein A-I / Stroke / Arteriolosclerosis Type of study: Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR

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Full text: Available Index: LILACS (Americas) Main subject: Apolipoproteins B / Coronary Artery Disease / Peripheral Vascular Diseases / Apolipoprotein A-I / Stroke / Arteriolosclerosis Type of study: Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR