Decreased left temporal lobe volume of panic patients measured by magnetic resonance imaging
Rev. bras. pesqui. méd. biol
; Braz. j. med. biol. res;36(7): 925-929, July 2003. graf
Article
em En
| LILACS
| ID: lil-340689
Biblioteca responsável:
BR1.1
RESUMO
Reported neuroimaging studies have shown functional and morphological changes of temporal lobe structures in panic patients, but only one used a volumetric method. The aim of the present study was to determine the volume of temporal lobe structures in patients with panic disorder, measured by magnetic resonance imaging. Eleven panic patients and eleven controls matched for age, sex, handedness, socioeconomic status and years of education participated in the study. The mean volume of the left temporal lobe of panic patients was 9 percent smaller than that of controls (t21 = 2.37, P = 0.028). In addition, there was a trend (P values between 0.05 and 0.10) to smaller volumes of the right temporal lobe (7 percent, t21 = 1.99, P = 0.06), right amygdala (8 percent, t21 = 1.83, P = 0.08), left amygdala (5 percent, t21 = 1.78, P = 0.09) and left hippocampus (9 percent, t21 = 1.93, P = 0.07) in panic patients compared to controls. There was a positive correlation between left hippocampal volume and duration of panic disorder (r = 0.67, P = 0.025), with recent cases showing more reduction than older cases. The present results show that panic patients have a decreased volume of the left temporal lobe and indicate the presence of volumetric abnormalities of temporal lobe structures
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Lobo Temporal
/
Transtorno de Pânico
Tipo de estudo:
Observational_studies
Limite:
Female
/
Humans
/
Male
Idioma:
En
Revista:
Braz. j. med. biol. res
/
Rev. bras. pesqui. méd. biol
Assunto da revista:
BIOLOGIA
/
MEDICINA
Ano de publicação:
2003
Tipo de documento:
Article
/
Project document
País de afiliação:
Brasil
País de publicação:
Brasil