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Atención Primaria
Article . 2006 . Peer-reviewed
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Atención Primaria
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Atención Primaria
Article . 2006
License: Elsevier Non-Commercial
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Estudio de casos y controles no emparejados: hiperhomocisteinemia y cardiopatía isquémica crónica

Authors: Gallego-Luis, R.; Ruiz-García, A.; Gordillo-López, F.J.; Díaz-Puente, M.V.; Esteban, J.; Gil de Miguel, A.;

Estudio de casos y controles no emparejados: hiperhomocisteinemia y cardiopatía isquémica crónica

Abstract

ObjetivoEvaluar la magnitud de la asociación entre la hiperhomocisteinemia y la cardiopatía isquémica crónica.DiseñoEstudio de casos y controles no emparejados (1:3).EmplazamientoCentro de Salud Pintores. Área 10 de Atención Primaria (IMSALUD).ParticipantesPacientes del centro de salud mayores de 35 años con cardiopatía isquémica crónica o sin ella.MétodoMuestreo no probabilístico consecutivo. Análisis de casos y controles mediante la odds ratio (OR) y el test de la χ2. Las variables cuantitativas se analizaron con el test de la t de Student.ResultadosEl 76,32% (87/114) de los casos tenía 2 o más factores de riesgo cardiovascular, frente a un 33,56% (99/265) de los controles (p<0,0001). La homocisteinemia media de la población control fue de 10,07±3,64 μmol/l. Esta media fue de 12,74±4,59 μmol/l en los casos. La diferencia de las medias (2,67; intervalo de confianza [IC] del 95%, 1,82- 3,52 μmol/l) fue significativa (p<0,001). La diferencia de hiperhomocisteinemia (≥ 15 μmol/l) entre los casos (28,95%; 33/114) y los controles (12,88%; 38/295) fue significativa (16,07%; IC del 95%, 6,91- 25,23) (p=0,0001), con una asociación entre la hiperhomocisteinemia y la cardiopatía isquémica crónica (OR=2,76; IC del 95%, 1,62-4,68]). Esta asociación aumentaba (OR=3,26; IC del 95%, 2,07-5,13) al considerar la hiperhomocisteinemia ≥ 12 μmol/l, con una diferencia significativa del 27% (IC del 95%, 16,59-37,41; p<0,0001) entre los casos (51,75%, 59/114) y los controles (24,75%; 73/295).ConclusionesEl factor de riesgo de presentar hiperhomocisteinemia ≥ 15 μmol/l estaba asociado significativamente (OR=2,76) con la cardiopatía isquémica crónica. Esta asociación era mayor (OR=3,26) al considerar la hiperhomocisteinemia ≥ 12 μmol/l.ObjectiveTo evaluate the extent of the association between hyperhomocysteinaemia and chronic ischaemic heart disease.DesignUnmatched, case-control (1:3) study.SettingPintores Health Centre, Area 10, Primary Care, Madrid, Spain.ParticipantsPatients of the health centre over 35 with chronic ischaemic heart disease or without it.MethodConsecutive, non-randomized sample. Analysis of cases and controls with χ2 test and odds ratio (OR). The quantitative variables were analysed with the Student’s t test.ResultsThe 76.32% (87/114) of cases had 2 or more cardiovascular risk factors versus 33.56% (99/265) in the control group (P<.0001). Average homocysteinaemia was 10.07 μmol/L (SD, 3.64) in the control group; and 12.74 (SD, 4.59) in the cases group. The difference between the averages (2.67 μmol/L; 95% CI, 1.82-3.52) was significant (P<.001). The difference (16.07%; 95% CI, 6.91-25.23) in hyperhomocysteinaemia (≥15 μmol/L) between cases (28.95%, 33/114) and controls (12.88%, 38/295) was significant (P=.0001), with an association between hyperhomocysteinaemia and chronic ischaemic heart disease (OR=2.76; 95% CI, 1.62-4.68). This association increased (OR=3.26; 95% CI, 2.07-5.13) when hyperhomocysteinaemia was taken as ≥12 μmol/L, with a significant difference of 27% (95% CI, 16.59-37.41) (P<.0001) between cases (51.75%, 59/114) and controls (24.75%, 73/295).ConclusionsThe risk factor of hyperhomocysteinaemia ≥15 μmol/L was significantly associated (OR=2.76) with chronic ischaemic heart disease. This association was greater (OR=3.26) when hyperhomocysteinaemia was taken as ≥12 μmol/L.

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Keywords

Medicine(all), Ischaemic heart disease, Homocisteína, Cardiopatía isquémica crónica, Atención primaria, Primary care, Family Practice, Homocysteine

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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