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Fundamento. El síndrome de apnea-hipoapnea del sueño (SAHS) es un factor de riesgo reconocido de patología cardiovascular y la evidencia reciente sugiere que está relacionado con el síndrome metabólico (SM). El objetivo del estudio fue conocer la prevalencia de los componentes individuales del SM y del SM como entidad, en pacientes con sospecha clínica de SAHS, y ver si ambas entidades están en relación con la obesidad central. Material y métodos.Se estudiaron prospectivamente a 486 pacientes consecutivos, 359 hombres (73,9%), con una edad media de 57,3 ± 13,5 años y un índice de masa corporal (IMC) de 32,1 ± 6,5 kg/m2 con sospecha clínica de SAHS. El SAHS se diagnosticó por registro nocturno. Un Índice de Apnea-Hipoapnea (IAH) > 5 era considerado diagnóstico de SAHS. El SM era diagnosticado siguiendo los criterios de la International Diabetes Federation.resultados. De los pacientes estudiados 325 (66,9%) eran SAHS de grado moderado-grave. El IAH medio fue de 30,2 ± 23,8. De 456 pacientes (93,8%) teníamos datos para el diagnóstico de SM y su prevalencia fue del 64,7% (295 pacientes). En el análisis multivariante, tanto la edad como el perímetro abdominal se comportaron como predictores de SAHS y de SM (p<0,05).conclusiones. El SM es más frecuente en pacientes con SAHS, y su prevalencia aumenta con su gravedad. La obesidad central, medida por el perímetro abdominal, resultó ser un factor predictor tanto de SAHS como de SM. Methods.We examined the records of 486 consecutive patients, 359 (73.9%) men, with a mean age of 57.3 ± 13.5 years and a mean body mass index (BMI) of 32.1 ± 6.5 kg/m2), with clinical suspicion of SAHS. SAHS was diagnosed from the nocturnal register. An Apnea-Hipopnea Index (AHI) > 5 was considered SAHS. MS was evaluated according to the diagnostic criteria of the International Diabetes Federation.results. Three hundred and twenty-five (66.9%) of the entire group were moderate-severe SAHS. The mean of AHI was 30.2 ± 23.8. We had sufficient data available on 456 patients (93.8%) for MS diagnosis and its prevalence was 64.7% (295 patients). Multivariate analysis showed that age and abdominal perimeter were predictors of SAHS and MS (p<0.05).conclusions. Patients with SAHS have a high prevalence of MS and their prevalence is greater in patients with major levels of SAHS. The rate of central obesity, measured by abdominal perimeter, predicts SAHS and MS.
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