Under-diagnosis of mental disorder in people with intellectual disabilities: study of prevalence in population with different degrees of intellectual disability

  • Carlos Peña Salazar
    Hegau Boden See Klinikum Singen (Alemania) Universitat de Vic drsalazar84[at]hotmail.com
  • Francesc Arrufat Nebot
    Hospital psiquiátrico Pére Mata
  • Abel Fontanet
    Associació Sant Tomàs
  • Nuria García-León
    Consorci Hospitalari de Vic
  • Silvia Más
    Associació Sant Tomàs
  • Pere Roura-Poch
    Consorci Hospitalari de Vic.
  • Josep Manel Santos López
    Universitat de Vic

Abstract

There are a few studies in the literature analyzing the prevalence of mental illness in people with intellectual disabilities (ID). This study explores the prevalence of mental disorders in adults without previous mental disorder and different degrees of ID. We assessed 142 individuals with varying degrees of ID and with unknown previous psychiatric disorder. We applied the diagnostic battery PAS-ADD based on criteria ICD-10 and DSM-IV TR to analyzed the prevalence of mental disorders in people with mild / moderate ID. We applied the Spanish version of the scale DASH-II to analyze the prevalence of mental disorders in people with severe and profound ID. We found a psychiatric disorder previously undiagnosed in 29.57% of our sample. In people with mild/ moderate ID the most common psychiatric disorder was depressive disorder (33.3%), but in people with severe and profound ID was the anxiety disorder. The most prevalent medical comorbidity was epilepsy (22.5% of the total sample and 39.2% in the population with severe / profound intellectual disabilities). Psychiatric disorders seem to be more common in the population with ID than in the general population, increasing their prevalence and medical comorbidity in severe and profound ID.
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Peña Salazar, C., Arrufat Nebot, F., Fontanet, A., García-León, N., Más, S., Roura-Poch, P., & Santos López, J. M. (2017). Under-diagnosis of mental disorder in people with intellectual disabilities: study of prevalence in population with different degrees of intellectual disability. Siglo Cero, 48(3), 27–39. https://doi.org/10.14201/scero20174832739

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Author Biographies

Carlos Peña Salazar

,
Hegau Boden See Klinikum Singen (Alemania) Universitat de Vic
Hegau Boden See Klinikum SingenDepartamento de Neurología

Francesc Arrufat Nebot

,
Hospital psiquiátrico Pére Mata
Hospital psiquiátrico Pére Mata. Departamento de Psiquiatría y Salud Mental. Reus, España.

Abel Fontanet

,
Associació Sant Tomàs
Associació Sant Tomàs. Vic. Barcelona, España.

Nuria García-León

,
Consorci Hospitalari de Vic
Consorci Hospitalari de Vic. Departamento de Psiquiatría y Salud Mental. Barcelona, España.

Silvia Más

,
Associació Sant Tomàs
Associació Sant Tomàs. Vic. Barcelona, España.

Pere Roura-Poch

,
Consorci Hospitalari de Vic.
Consorci Hospitalari de Vic. Departamento de Epidemiología e Investigación Científica. Barcelona

Josep Manel Santos López

,
Universitat de Vic
Consorci Hospitalari de Vic. Departamento de Psiquiatría y Salud Mental. Barcelona Universitat Central de Catalunya. Universitat de Vic. Barcelona, España.
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