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OBJECTIVE: Although the pathogenesis of depression remains unclear, C-reactive protein (CRP) levels are commonly elevated in depressed patients. Thus, CRP single-nucleotide polymorphisms (SNPs) that influence CRP levels may be associated with depression. In the present study, we explored whether CRP SNPs are related to depressive symptoms and antidepressants efficacy in Han Chinese patients.METHODS: We analyzed data from 440 patients with first-episode depression. We obtained genome CRP SNPs, scores of the 17-item Hamilton Rating Scale for Depression 17 (HAMD17) and its four-factor at baseline and after 6 weeks. Quantitative trait analysis was performed using UNPHASED software and curative effects were analyzed using SPSS software.RESULTS: Male patients with SNP rs1800947G exhibited lower insomnia scores and rs2794521CC exhibited lower scores of anxiety/ physical symptoms, total HAMD17 score. Female patients with rs2794521TT exhibited higher scores of insomnia and lower antidepressants efficacy.CONCLUSION: CRP SNPs rs1800947 and rs2794521 may be associated with depressive symptoms in patients with depression in a sex-specific fashion. Furthermore, rs2794521 may be a predictor of the efficacy of antidepressants in female patients.
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Feminino , Humanos , Masculino , Antidepressivos , Povo Asiático , Proteína C-Reativa , Depressão , Genoma , Polimorfismo de Nucleotídeo Único , Distúrbios do Início e da Manutenção do SonoRESUMO
Objective To investigate the difference of Wechsler's cognitive test and its influencing factors in first-episode depression patients with and without sleep disorder.Methods 156 patients with de-pression were divided into two groups according to their sleep conditions,including sleep disorder group(n=77)and non-sleep disorder group(n=79).Wechsler Intelligence Scale(WAIS)and Wechsler Memory Scale(WMS)were used to assess the cognitive function,while Hamilton Depression Scale(HAMD-17) were used to assess depressive symptoms.Results (1)Sleep disorders group had lower scores on verbal IQ (95.51±16.45),performance IQ(90.94±13.87),FIQ scores(92.48±15.49)than those in the non-sleep disorder group((105.59±15.20),(96.19±13.62),(101.20±14.70)respectively),the differences were statistically significant(P<0.05).Sleep disorder group had lower scores in immediate memory(10.47 ± 3.88),short-term memory(49.87±14.35)and memory quotient(87.90±18.25)than those in the non-sleep disorder group((11.86±3.47),(56.52±13.03),(97.27±18.76)respectively),the differences were statisti-cally significant(all P<0.05).(2)Multivariate linear regression analysis showed that education and age ex-plained 24% of variance in verbal IQ(F=21.258,P<0.01).Education,sleep disorder factors explained 12.9% of variation in performance IQ(F=9.825,P<0.01).Education,sleep disorder factors explained 22.3% of variance in total IQ(F=22.847,P<0.01).Education,age,sleep disorder factors explained 28.4%of variation in short-term memory(F=23.850,P<0.01).Education and age explained 20.4% of variation in immediate memory(F=18.10,P<0.01).Education and sleep disorder factors explained 21.9% of variation in memory quotient(F=26.162,P<0.01).Conclusion The intelligence and memory impairment in first-epi-sode depression patients with sleep disorders is more serious,and the education,sleep disorder and age are the most important factors.
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Objective To effectively combine the results of resting state regional homogeneity(ReHo) fMRI studies in depression.Methods Literatures between 2003-2016 on fMRI of depression in PubMed,Web of Knowledge,EBSCO host medline,CNKI,CQVIP and Wanfang Med Online were taken as research objects.Screening the relevant data according to the included and excluded standard,then,software of AES-SDM was employed to do Meta analysis,in addition,the age,gender,duration of disease,the year of education and treatment were also analyzed.Results 23 articles met the standard,including 1 036 cases,of which 507 for the depression group,529 for the control group.Meta analysis showed the significant ReHo abnormalities of Default Mode Network(DMN) which centers on left precuneus,left superior frontal gyrus and right cingulate gyrus,in addition,left lenticular nucleus,left postcentral gyrus,left cerebellum and left fusiform gyrus had significant ReHo differences.In the regression analysis,gender,age,duration of disease,years of education,disease severity were all affected factors.The difference of cingulate gyrus was the most stable,and the duration of the disease significantly affected cingulate gyrus (SDM =2.777).Conclusion The abnormalities of DMN which centers on left precuneus,left,medial superior frontal gyrus and right cingulate gyrus are the most consistent in depression,the DMN is closely related to depression.
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Objective To investigate the relevance of brain-derived neurotrophic factor (BDNF) gene polymorphisms and the effects of citalopram antidepressant.Methods The subjects comprised 280 patients according to the diagnostic and statistical manual of mental disorders in the fourth edition (DSM-Ⅳ) criterion for major depressive disorder (MDD).Severity of depression were assessed by 17 Hamilton depression scale (HAMD) at the baseline and 1,2,4,6 weekend.Citalopram were selected for treatment.Polymerase chain reaction (PCR) and DNA sequencing analysis were used to detect the genotype of SNPs rs7124442 and rs6265 of BDNF.SPSS17.0 software was used for statistical analysis.Results (1) There were 280 patients (242 responders and 38 nonresponders;175 remissioners and 105 nonremissioners) accomplished 6 weeks of treatment.No association was found between the polymorphisms and antidepressant drug response or remission (the reduction rate of HAMD score ≥ 50% was defined as response,conversely,defined as nonresponse;HAMD score more than 7 was named as remission,in contrast,named as nonremission) (P>0.05).(2) Repeated measures analysis of variance was adopted to compare the change of HAMD scores among the genotypes at different time points.There was a significant difference in rs6265 polymorphism between the GA +AA genotype (the scores of HAMD at 2,4,6 weeks were(9.98±4.97),(8.02±4.50),(5.83±3.49) respectively) and the GG genotype groups (the scores of HAMD at 2,4,6 weeks were(11.90±6.55),(9.34± 4.71),(7.07±4.28) respectively) (P=0.031).Conclusion The results suggest that BDNF rs6265 polymorphisms in part determine the antidepressant response to citalopram.
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Objective To explore the relationship of miR-34b/c gene polymorphisms and event-related potential P300 in major depressive disorder.Methods The design of case-control research was used,and 302 major depressive patients and 327 normal controls who were in age and gender matched with patients were measured auditory event-related potential P300 on the day when two groups were collected.Polymerase chain reaction(PCR) and direct DNA sequencing technology were used to detect miR-34b/c gene polymorphisms.Results (1) In the single locus analysis,the rs4938723,rs2187473 and rs28757623 had no significant difference in allele frequency and genotype frequency between depressive patients and controls (P> 0.05);Haplotype C-C-C in rs4938723-rs2187473-rs28757623 was statistically significant different in depressive patients and controls(x2 =3.96,P=0.046).The odds ratio (OR) was 1.322(95%CI=1.004-1.740).(2) Compared with normal controls,P300 of the patients with major depressive disorder had longer latency of N2 (P<0.01),P3a (P<0.01) and P3b (P<0.05).(3) The P300 targets of major depressive disorder had statistical difference(P<0.05)in rs28757623 between the individuals with the G allele genotype and C/C genotype.The latency of N1 ((90.80±28.62) ms),P3a((281.79±37.89) ms),P3b((323.87±41.17) ms) were longer thanC/C genotype ((77.40 ± 20.96) ms,(253.00 ± 34.36) ms,(297.30± 23.70) ms).Conclusion Rs4938723-rs2187473-rs28757623 haplotype CCC in miR-34b/c gene might be risk factor for the onset of depression,miR-34b/c gene rs28757623 polymorphism is associated with the principal component of P300 latency in patients with Major depressive disorder which suggest that genetic factors may have a certain impact on cognitive function in the patients with major depressive disorder.
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Objective To explore the relationship between neuroticism and memory in patients with first-episode depression and the mediating effect of depression in this relationship.Methods Hamilton de pression rating scale (HAMD),Eysenck personality questionnaire (EPQ),repeatable battery for the assess ment of neuropsychological status (RBANS) were used to evaluate 278 patients with first-episode depression.Results (1) Neuroticism was negatively correlated with immediate memory(r=-0.26,P<0.01),delayed memory (r=-0.30,P<0.01),and positively correlated with depressive symptom (r =0.30,P< 0.01).Depres-sive symptom was negatively correlated with immediate memory (r=-0.55,P<0.01),delayed memory (r=-0.44,P<0.01).(2) The effect of neuroticism on immediate memory and delayed memory was partially mediated by depressive symptom (β=-0.521,-0.388,P<0.01).The ratio of mediating effect to total effect in immediate memory was 0.597,and the ratio of mediating effect to total effect in delayed memory was 0.383.Conclusion Memory can be affected by neuroticism through the indirect effect of depression.
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Objective To investigate the status of depression with anxiety symptoms, and analyze the influencing factors of anxiety symptoms from demographic data and social psychological factors. Methods Hamilton depression rat?ing scale (HAMD), Hamilton anxiety rating scale (HAMA), Eysenck personality questionnaire (EPQ), life event scale (LES), trait coping style questionnaire (TCSQ) and social support scale (SSS) were used to evaluate 729 patients with de?pression. According to HAMA scores, patients were divided into non anxiety symptoms group (HAMA14). Social psychological factors were compared between two groups, and the influencing fac?tors of anxiety symptoms were analyzed. Results The incidence of anxiety symptoms in depression was 58.85% (429/729), and 119 cases (16.32%) were certainly without anxiety symptoms. Compared with the group without anxiety symp?toms, the anxiety symptoms group had higher scores on neuroticism, psychoticism, negative life events and negative cop?ing style (P<0.001), but lower scores on introversion and extroversion (P=0.010). Degree of depression (OR=9.255, 95%CI:4.726~18.127), neuroticism (OR=1.595, 95%CI:1.197~2.125), negative life events (OR=1.009, 95%CI:1.001~1.017) and negative coping style (OR=1.046, 95%CI:1.013~1.080) were the risk factors of anxiety symptoms (P<0.05). Conclu?sion The incidence of anxiety symptoms in patients with depression is high. Patients with higher degree of depression and typical neurotic personality experiencing more negative life events and those with tendency to adopt negative coping style are more susceptible to anxiety symptoms.
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Objective To investigate the attention bias characteristics of first-episode depressive patients.Methods Forty two patients in our hospital from June 2011 to May 2014 with first-episode depressive and 42 healthy people for physical examination were selected.The reaction time and error number were recorded.Results The reaction time in observation group was significantly longer than control group.Difference between negative and neutral words of observation group was showed (P < 0.01).Conclusions First-episode depressive patients have obviously attention bias in negative related stimulation.
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Objective To explore the characteristics of cognitive impairment and its influence factors in first-epi?sode depression patients with sleep disorder. Methods Three hundred and eighteen patients with first-episode depres?sion and two hundreds and forty-three healthy controls were recruited. The patients were divided into two group accord?ing to the sleeping situation: 202 patients with sleep disorder and 116 patients without. The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) was used to evaluated the cognitive function of all subjects, including immediate memory, visual span, speech function, attention and delayed memory. The 17 item Hamilton Depression Scale (HAMD-17) was used to evaluate patients’symptoms. Results The scores of immediate memory, visual span, speech function, delayed memory and the whole scale in the depression patients with sleep disorder were significantly lower than the patients without sleep disorder and the controls (P<0.05). Compared with the controls, the patients without sleep disor?der had lower scores of immediate memory, language function, delayed memory and the whole scale (P<0.05). Multiple linear regression showed that in the depression patients with sleep disorder, the RBANS score was related with the cogni?tive factors in HAMD (β=6.29, P=0.04);immediate memory was related with age (β=-0.24, P=0.04);visual span was re?lated with sleeping factor in HAMD (β=2.33, P=0.01);speech function was related with marriage (β=-5.74, P=0.01) and sleeping factor in HAMD (β=-1.20, P=0.03). In the depression patients with sleep disorder, speech function of RBANS was related with age (β=-0.32, P=0.04);attention was related with retardation factor in HAMD (β=2.52, P=0.01). Con?clusion The first-episode depression patients with sleep disorders have cognitive function damage in many aspects. The depressive symptoms (sleep changes, cognitive disorders, retardation and so on), age and marital status may be the influ?encing factors on cognitive impairment in first-episode depression patients with sleep disorder.
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Objective To explore the abnormally functional brain region in resting state in first-episode major depression disorder patients with function magnetic resonance imaging.Methods 51 patients diagnosed with first-episode major depression disorder according to DSM-Ⅳ and 50 gender-,age-,and education-matched healthy controls completed resting state fMRI scan.The severity of depression,and unpredicted homodynamic responses across the whole brain were analyzed using Hamilton depression scale,regional homogeneity and amplitude of low-frequency fluctuation,respectively.Results Compared with control group,the right medial frontal gyms (BA6,MNI:3,-3,63,K=34) and left medial frontal gyrus(BA9,MNI:-9,36,30,K=10) (P<0.001,uncorrected) in the case group showed higher regional homogeneity,with statistical significance.Compared with control group,right medial frontal gyrus (BA6,MNI:3,-3,63,K =35) and right posterior cingulated gyrus (BA31,MNI:3,-36,36,K =11) (P< 0.001,uncorrected)in the case group showed higher amplitude of low-frequency fluctuation,with statistical significance.Conclusion First-episode major depression disorder patients in resting state had several abnormally functional brain regions,which might be related to the pathological mechanism of depression disorder.
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Objective To examine the values of Regional Homogeneity (ReHo) in first-episode, treatment-naive patients with major depressive disorder before and after antidepressant treatment in order to explore the neural mechanism of antidepressants. Methods Twenty-five first-episode, treatment-naive patients with major depressive disorder, which met with DSM-IV diagnosis criteria underwent fMRI resting-state scans before and after 8-week antidepressant treat-ment. Paired Samples T-test was used to analysis the differences between two groups. Results The ReHo in the patient group after treatment were significantly decreased in the right medial frontal gyrus, left inferior parietal lobule, left middle temporal gyrus, left insula, right precuneus, left cingulate gyrus and posterior lobe of the cerebellum , while significantly in-creased in the right medial frontal gyrus, left medial frontal gyrus, right inferior parietal lobule, left postcentral gyrus and right middle temporal gyrus compared with before treatment. Conclusions E xtensive abnormal activity within the default mode network in the resting-state may be involved in the neuropathophylogical substrate of depression and the abnormal activity can be partly reversed by antidepressant treatment, suggesting that regional homogeneity can be used to dynamical-ly evaluate the effect of antidepressant treatment.
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ObjectiveTo analyze of the characteristics of cognitive function in major depressive disorder patients with suicidal ideation using repeatable battery for the assessment of neuropsychological status ( RBANS),and to explore the risk factors of suicidal ideation Methods 132 depressive patients with suicidal ideation and 162 depressive patients without suicidal ideation were evaluated by RBANS,Using SPSS13.0 to statistic the results,including t test,chi-square test and multiple logistic analysis.Results 1.There were no significant differences in age,gender,education level,marital status,total disease duration,whether for the first time episodes of depression,whether a positive family history of depression between the two groups (P > 0.05 ).The HAMD and HAMA total score were greater in patients with suicide ideation than that without suicidal ideation(P < 0.01 ).2.The score of attention was lower in patients with suicide ideation (98.56 ± 17.80) than in patients without suicide ideation (105.06 ± 14.34) (P =0.001 ).The score of delay memory was lower in patients with suicide ideation (80.39 ± 15.36) than in patients without suicide ideation (85.96 ± 12.55) (P=0.001 ).3.Logistic regression analysis showed that attention deficit and HAMD total score were the risk factor of suicide ideation in major depressive patients.ConclusionAttention deficit may exist in major depressive patients with suicide ideation,and attention deficit maybe one of the risk factor of suicide ideation.
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Objective To investigate the change characteristics of the brain neurotransmitters of human with stress events by the Encephaloflucgram technology (ET) at the noninvasive condition. Methods Extract shocking informations with neurotransmitter requlation systems in EEG ( S spectral line) by ET and analyze thechange characteristics of the brain neurotransmitters of human with stress events, the clincial symptons of the patients were evaluated by the post-traumatic stress disorder-check scale (PCL-C). Results ①Compared with expected number,the activity of neurotransmitters such as γ-aminobutyric acid (GABA) were significantly decreased (4.64 ±2.88,8.45 ±0.42, P<0. 01 ) and the activity of neurotransmitters such as dopamine( DA ) ( 17.01 ±7.41,7.59±0.55, P<0. 01),acetylcholine(Ach) (17.01 ±7.41,14.95 ±0.65, P<0.05) ,norepinephrine (NE ) ( 13.07 ± 4.33,11.82 ± 0.84, P < 0. 05 ) were increased. ②There was a significant difference on GABA ( t =6.902, P < 0. 01 ) between suspect of post-traumatic stress disorder and non-post-traumatic stress disorder. ③In PCL-C scale score, intrusion factor had negative correlation to the activity of GABA ( r = - 0.777, P < 0.01 ), and positive correlation to the activity of DA ( r = 0.360, P < 0.01 ), hyper-arousal factor was positive correlated with the activity of NE ( r=0.221, P<0.05) ,escaping/numbness factor was negative correlated with the activity ofGlu( r= -0.274, P<0.05). Conclusion In traumatic stress events GABA,Ach,DA,NE neurotransmitters aresignificantly changed ,and meybe participat stress responses.
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Objective To explore the event-related potentials (ERPs) P300 is changeable or not before and after treatment. Methods 99 cases of patients with first onset of depression diagnosed by DSM-Ⅳ as case group,and 100 cases matched with patients as control group were collected. P300 of two groups were obtained before and after treatment for 6 weeks,12 weeks,24 weeks. T test was used to analysis the difference of indicators of P300 among groups; repeated measure analysis of variance was used to analysis the longitudinal changes. Results shorter latency of N2-P3 ( (P < 0.01 ); and lower amplitude of N2, P3, N2-P3 (P < 0. 05 ), higher amplitude of P2-tency and a upward one in N2-P3 latency in the four periods; a upward trend could also be found in P3, N2-P3 amplitude, but there were no statistical differences(P > 0. 05 ). The results of paired-samples t test: P3, N2-P3 amplitude in case group were higher after treatment for 6 weeks than before, the difference was significant (P < 0.01 ); no significant results were found in P300 latency or amplitude between the 62 cases of depression after treatment for 24 weeks and the 65 normal controls selected (P > 0. 05 ). Conclusion P300 latencies and amplitudes tend to be partly recovered after the acute treatment in patients with depression, but after the long-term therapy not clear.
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Objective To explore the relationship of protein kinase B1 ( PKB1 ) gene polymorphisms in PI3-K pathway of BDNF and event-related potentials in depression.Methods The design of case-control research was used ,and 91 major depressive patients and 65 normal controls who were made in age and gender matched with patients were measured auditory event-related potential P300 and contingent negative variation ( CNV ) in the day when two groups were collected.Polymerase chain reaction (PCR) and direct DNA sequencing technology were used to detect PKB1 gene polymorphisms.Three SNPs that named rs3001371 ,rs2494738 ,rs1130214 were selected from 3 representative BLOCK Districts of PKB1.Two independent samples t test was used to analysis P300 and CNV between two groups,and the same way to analysis the average level of P300 and CNV and PKB1 SNP genolatency of P2(P<0.05) and lower amplitude of P3a(P<0.01 ) ,P3b(P<0.01 ) and P3 (P<0.01 ) ;CNV had der had statistical difference (P< 0.05 )in PKB1 rs3001371 gene between C/C and C/T genotype combined which included C allele, and T/T genotype.The amplitude of P3a( (5.93 ± 2.35 ) μV, P3b(6.51 ± 3.00) μV, P3 (6.27±2.43) μV) were lower than TT Genotype ( (7.45 ±2.19)μV, (8.63 ±3.57)μV,(8.04 ±2.57)μV,respectively).The mean of CNV indicators were not found different in statistics among the rs3001371 genotypes.Conclusions PKB1 gene rs3001371 polymorphism is associated with the principal component of P300 amplitude in patients with Major depressive disorder which suggest that genetic factors may have a certain impact on cognitive function in the patients with Major depressive disorder.
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Objective To investigate the health-related quality of life(HRQOL)of the recovered patients with depression and its influential factors.Methods From March 2008 to April 2009,150 depressive patients andergoing the following up treatment were recruited,and finally 124 patients rocovered,and quality of life for patients recovered were compared to published norms for the general Chinese people.The general demography material seale.Hamilton Depression Scale(HAMD),Hamilton Anxiety Scale(HAMA),personality traits(Eysenck personality Inventory-EQP)the short form 36 item(SF-36)questionnaire and social support scale(SSS)were applied to an subjects.The SPSS 13.0 software for data processing,the group t test and the multiple linear regression analysis was adopted.Results ①The average score of seven domains of quality of life(RP,BP,GH,VT,SF,RE,MH )for the recovered patients were better than that of the pre-treatment patients(P<0.01),except the PF(89.23±14.09,87.23±16.81,t=1.044,P>0.05).But the average score of seven domains of quality of life for the re-covered patients were worse than that of the healthy people(P<0.01),except the PF(89.23±14.09,89.01±15.73,t=1.266,P>0.05).②The quality of life 0f the recovered patients remarkably related with the anxiety level, neuroticism, extraversion, recurrent depression,economic condition and social support(P<0. 01) . Conclusion The recovered depressive patient s health-related quality of life were improved significantly afer treatment, what were influenced by neuroticism,extraversion,anxiety as a trait,recurrent depression,economic condition and social support.Above mentioned factors should be taken into account when rehabilitation.
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Objective To investigate mental symptoms of SARS patients and its related factors for three period-admission, discharge and three months after SARS crisis and to carry out mental intervention and effect evaluation.Methods The mental problems of SARS patients in three periods of admission, discharger and three months after discharger were continuously investigated.114 SARS patients came from seven designated hospitals in Taiyuan of Shanxi. The participants were assessed by self- compiled stressor Questionnaire, PSSS, SCSQ, SES, SCL-90 and EPQ.Results 1.Change tendency of factor score: The SCL-90 total and factors scores including obsessive-compulsion, phobic anxiety went up during discharge compared with admission. After that,these factors scores went down. The factors scores of somatization and depression descended continuously for three period. 2.Change tendency of the incidence:The incidence on factors of obsessive-compulsive, interpersonal sensitivity, phobic anxiety ascended during discharge compared with admission. Then,these factors scores descended. The other factors went down continually for three periods.3. The self-esteem was influencing factor on mental symptoms of SARS patients for three periods.Conscientious condition severity was influencing factor in admission and discharge.Negative coping was influencing factor in discharge and three months after SARS crisis. Education was influencing factor in three months after SARS crisis.4.After intervention ,the most mental symptoms of 35 SARS patients had mental problems were improved. Dissimilarly, a part of mental symptoms got severity.Conclusions 1.SARS patients exist severe mood disorders and have different influencing factors for three periods. They should be evaluated continuously and be intervened in time.2.The effect of mental intervention by telephone is not uncertainty.
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Objective This paper focuses on the investigation of the occurrence and influential factors of post-traumatic stress disorder (PTSD)in SARS patients, hospital staffs and the public expo sed to SARS. Methodes Three groups were assessed by scale of self-compiled stressor Questionnaire, impact of event scale-revised (IES-R) , PSSS, SCSQ, SES and EPQ. Results 1. The incidence of PTSD symptoms in the three groups were 55.1% ,25.8 % and 31.18 %. 2. The main cause of the different incidence was the difference of the stressor intensity and characters. Negative coping was the risk factor of SARS patients and the public; Self-esteem was the protected factor of SARS patients and the hospital staffs; Social support was a protected factor on the hospital staffs. 3. Comparing to the first investigate in September,2003 ,the data of follow-up study in September,2004 showed that the prevalence items significant decreased. Conclusions 1. The investigation concludes that all three groups of people exposed o SARS exhibit PTSD symptom. SARS patients have the highest occurrence ( P < 0.01 ). 2. The main influencing factors of different incidence of PTSD in different groups are intensities and characteristics of stressors. Different people who had PTSD symptoms have different influencing factors. 3. With the change of time , the PTSD symptoms significant relieve with the attenuation gradually of exposure degree of stressor.
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BACKGROUND: It is reported that the first line medical staff have experienced posttraumatic stress disorder(PTSD) symptoms after severe acute respiratory syndrome (SARS) events. However, there are few reports regarding the PTSD symptoms among SARS patients and the public in epidemic area. OBJECTIVE: To investigate the occurrence and main influence factors of PTSD among SARS patients and the public in epidemic area.DESIGN: Sampling investigation.SETTING: First Hospital of Shanxi Medical University. PARTICIPANTS: Totally 114 SARS patients and 93 people were selected from the epidemic area of Taiyuan city from August to September in 2003.METHODS: Self-made stressor-cognition questionnaire, edited impact of event scale-revised (IES-R), perceived social support scale (PSSS), simple cope scale questionnaire(SCSQ), self-esteem scale(SES) and eysenck personality questionaire(EPQ) were conducted to 114 SARS patients and 93 common people in epidemic area. Correlative analysis was performed as well.MAIN OUTCOME MEASURES: ① Detection rate of PTSD among SARS patients and the public in epidemic area. ② The score of intrusion factor,avoidance factor and hyperarousal factor of two populations. ③ The correlative analysis between IES-R score and influence factor among SARS patients and the public in epidemic area.RESULTS: The detection rate of suspect of PTSD among SARS patients was higher than that in public of epidemic area(55.1% , 31%, P = 0.000)The score of intrusion, avoidance and hyperarousal factor of SARS patients ( 11.37±9.54, 10.28±7.67, 6.55±6.20) was much higher than those of the public in epidemic area(5.64±4.68,5.58±4.74, 4.43 ±4.63,P = 0. 000) . The correlative analysis showed that the difference on PTSD incidence between SARS patients and the public of epidemic area might be due to the different stressor intensity and features. The negative response mode was the risk factor of both SARS patients and the public of epidemic area while self-esteem was the protective factor of SARS patients. CONCLUSION: ① PTSD symptoms had appeared among all the correlative populations although the exposure intensity of SARS event stress was different. The detection rate of PTSD and symptoms of intrusion, avoidance and hyperarousal were much common among SARS patients; ② The difference between groupswas due to the different stressor intensity as well as the different influence factors of different population.
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BACKGROUND: Adolescent Intemet addition disorder(IAD) gradually appears with the rapid popularization of Internet in China. National researches are rare at present.OBJECTIVE: To analyze the status quo of Internet use and on-line behavior characters of college students and to provide scientific data for the prevention of adolescent IAD.DESIGN: A status quo survey by employing college students as subjects SETTING: Department of psychiatrics of a medical university-affiliated hospitalPARTICIPANTS: Totally 510 college students were selected from three different type universities of Shanxi province including Shanxi Medical University, Taiyuan University of Technology, Shanxi University of Finance and Economics between November 2003 and February 2004.METHODS: Totally 510 college students from three universities of Shanxi Province were assessed by IAD test and self-compiled questionnaire for on-line college students.and non-IAD students.RESULTS: The detectable rate of IAD in college students of Shanxi province was 6.2%. More male students( n =29) had IAD than female students ( n = 3 ). Weekly on-line time of IAD students was (18.59 ± 16. 12)hours, which was significantly longer than (5.61 ± 5.64) hours of non-IAD student( P < 0. 001 ) . There were significant differences of monthly on-line expenses, usual on-line place, opinions of whether intemet had negative impacts, understanding of their parents on internet functions they used, and the objective of on-line between IAD students and non-IAD students(P<0.05 -0. 001 ), while there were no significant differences of on-line history and the utilization of internet function between two groups of students ( P > 0. 05).CONCLUSION: The detectable rate of IAD in college students is relatively high and there is significant difference of on-line behavior characters between IAD students and non-IAD students, which should arouse attentions from the related department to prevent the occurrence of IAD.