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Diferencias entre pacientes con ictus isquémico españoles frente a centro y nordeuropeos: un estudio de casos y controles / Differences between Spanish ischemic stroke patients and those from Central and Northern Europe. A case-control study
Beltrán-Blasco, I; Medrano, Va; Sánchez-Pérez, R. M; Moltó-Jordà, J. M; Matías-Guiu Guía, J.
Affiliation
  • Beltrán-Blasco, I; Hospital Clínica Benidorm. Benidorm. España
  • Medrano, Va; Hospital General d’Alacant. Alicante. España
  • Sánchez-Pérez, R. M; Hospital General d’Alacant. Alicante. España
  • Moltó-Jordà, J. M; Hospital General d’Alacant. Alicante. España
  • Matías-Guiu Guía, J; Hospital General d’Alacant. Alicante. España
Rev. neurol. (Ed. impr.) ; 40(4): 193-198, 16 feb., 2005. tab
Article in Es | IBECS | ID: ibc-037027
Responsible library: ES1.1
Localization: ES1.1 - BNCS
RESUMEN
Introducción. Algunos estudios realizados en población americana han demostrado diferencias entre razas en la patología vascular cerebral y en la prevalencia de los factores de riesgo va-cular. Los pocos estudios sobre población hispana han encontrado una mayor prevalencia de diabetes mellitus, así como una menor frecuencia de ictus cardioembólico y de ateromatosis carotídea extracraneal, en comparación a la raza blanca de origen sajón. Pacientes y métodos. Realizamos un estudio de casos y controles apareando un caso con dos controles, por edad y sexo. Los casos eran personas procedentes del centro y norte de Europa y los controles, personas españolas. Todos se habían hospitalizado por ictus isquémico o AIT. Comparamos la frecuencia de factores de riesgo(FR) convencionales, el subtipo de ictus isquémico y el estudio por ecografía Doppler de las carótidas. Calculamos la odds ratio y los intervalos de confianza (IC) al 95% para datos apareados. Resultados. Los casos presentaron con menor frecuencia hipertensión arterial(HTA), con una OR de 0,45 (IC 0,24-0,83). No encontramos diferencias estadísticamente significativas en la prevalencia de diabetes, hipercolesterolemia, cardiopatía y fibrilación auricular. Obtuvimos una mayor frecuencia de ictus con mejoría rápida y de AIT en los casos que en los controles (OR de 3,73, IC 1,72-8,07), que interpretamos como un sesgo de ingreso. La ecografía Doppler de las carótidas demostró estenosis superior al 70% en el 21,9% de los casos y en el 13% de los controles. Conclusiones. El presente estudio no revela diferencias entre españoles y noreuropeos en los factores de riesgo convencionales, salvo por una mayor prevalencia de HTA enlos pacientes españoles. La patología carotídea grave parece ser menos frecuente en los españoles. Sería conveniente para futuros trabajos el tener en cuenta otros FR (subfracciones de colesterol,homocisteína, etc.), posiblemente ligados a la raza y que pueden explicar las diferencias descritas
ABSTRACT
Introduction. Studies conducted in the American population have revealed the existence of differences incerebral vascular pathologies and in the prevalence of vascular risk factors between races. The few studies carried out in Hispanic populations have found a higher prevalence of diabetes mellitus, as well as a lower frequency of cardio-embolic strokes and extracranial carotid atheromatosis, in comparison with whites of Anglo-Saxon extraction. Patients and methods. We performed a case-control study in which one case was paired with two controls, according to age and sex. The cases were people from Central and Northern Europe and the controls were Spaniards. All of them had been admitted to hospital because of ischemic stroke or TIA. We compared the frequency of conventional risk factors (RF), the subtype of ischemic stroke and the results from carotid duplex scans. The odds ratio and confidence intervals (CI) at 95% were calculated for paired data. Results. Arterial hypertension (AHT) was less frequent in the cases, with an OR of 0.45 (CI0.24-0.83). No statistically significant differences were found in the prevalence of diabetes, hypercholesterolemia, heart disease and atrial fibrillation. Fast recovery stroke and TIA were observed more frequently in the cases than in the controls(OR 3.73; CI 1.72-8.07), which we interpreted as being due to a bias in admissions. Carotid duplex scanning revealed stenosis > 70% in 21.9% of the cases and in 13% of the controls. Conclusions. This study did not reveal any differences between Spaniards and Northern Europeans in conventional RF, except for a higher prevalence of AHT in Spaniards. Severe carotid pathology seems to be less frequent in Spaniards. Future research should take into account other RFs (such as cholesterol subfractions, homocysteine, etc.), which are possibly race-linked and may account for the differences described
Subject(s)
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Collection: National databases / Spain Health context: SDG3 - Health and Well-Being / SDG3 - Target 3.4 Reduce premature mortality due to noncommunicable diseases Health problem: Target 3.4: Reduce premature mortality due to noncommunicable diseases / Arterial Hypertension / Cardiovascular Disease / Cerebrovascular Disease / Endocrine System Diseases Database: IBECS Main subject: Spain / Ethnicity / Developed Countries / Case-Control Studies / Risk Factors / Stroke / Europe / Nervous System / Nervous System Diseases Type of study: Etiology study / Health technology assessment / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Humans Country/Region as subject: Europa Language: Spanish Journal: Rev. neurol. (Ed. impr.) Year: 2005 Document type: Article Institution/Affiliation country: Hospital Clínica Benidorm/España / Hospital General d’Alacant/España
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Collection: National databases / Spain Health context: SDG3 - Health and Well-Being / SDG3 - Target 3.4 Reduce premature mortality due to noncommunicable diseases Health problem: Target 3.4: Reduce premature mortality due to noncommunicable diseases / Arterial Hypertension / Cardiovascular Disease / Cerebrovascular Disease / Endocrine System Diseases Database: IBECS Main subject: Spain / Ethnicity / Developed Countries / Case-Control Studies / Risk Factors / Stroke / Europe / Nervous System / Nervous System Diseases Type of study: Etiology study / Health technology assessment / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Humans Country/Region as subject: Europa Language: Spanish Journal: Rev. neurol. (Ed. impr.) Year: 2005 Document type: Article Institution/Affiliation country: Hospital Clínica Benidorm/España / Hospital General d’Alacant/España
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