期刊
BRAZILIAN JOURNAL OF MEDICAL AND BIOLOGICAL RESEARCH
卷 36, 期 7, 页码 925-929出版社
ASSOC BRAS DIVULG CIENTIFICA
DOI: 10.1590/S0100-879X2003000700014
关键词
panic disorder; temporal lobe; magnetic resonance imaging; volumetric analysis
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [98/10639-7] Funding Source: FAPESP
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% smaller than that of controls (t(21) = 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%, t(21) = 1.99, P = 0.06), right amygdala (8%, t(21) = 1.83, P = 0.08), left amygdala (5%, t(21) = 1.78, P = 0.09) and left hippocampus (9%, t(21) = 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.
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