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Objective To investigate the prevalence and risk factors of needle-sharing behavior among intravenous drug users (IDUs).Methods Data regarding socio-demographics,drug abuse characteristics and HIV related health literacy of 474 heroin IDUs were collected.Antisocial personality disorder of IDUs was diagnosed through Mini international neuropsychiatric interview.Results The prevalence of needle sharing among IDUs was 53.8％.Needle-sharing behavior of IDUs was significantly associated with male gender,marital status of being single and separated/divorced,local dwelling,an early age of first drug abuse and antisocial personality disorder (OR =1.11 ～ 6.69,P＜0.05).Conclusion Heroin IDUs have high prevalence of needle sharing.A comprehensive social,behavior and psychology based intervention is needed to effectively prevent HIV infection in IDUs.
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Objective To investigate the current prevalence of depressive disorder and the associated factors in pa?tients with essential hypertensive from cardiovascular divisions of tertiary general hospitals. Methods A Chinese version of Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) Axis I Disor?ders was conducted by five mental health professionals on 876 essential hypertensive outpatients at cardiovascular divi?sions of tertiary general hospital. Data on the socio-demographic and clinical characteristics of these hypertensive pa?tients were also collected. Results The current prevalence of depressive disorders among essential hypertensive outpa?tients of tertiary hospitals was 16.6%(145/876). Risk factors for depressive disorders in hypertensive patients included fe?male gender (OR=2.817, 95%CI:1.161~6.885), being 65-year-old and older (OR=1.747, 95%CI:1.118~2.688), non-marital status (OR=2.023, 95%CI:1.203~3.398), gradeⅢhypertension (OR=1.776, 95%CI:1.226~2.333) and car?diovascular diseases (OR=2.018, 95%CI:1.427~2.587). Conclusion Essential hypertensive outpatients, who receive med?ical services at cardiovascular divisions of tertiary general hospital, have high prevalence of depressive disorders. Clini?cians should pay more attention to the mental health of outpatients with essential hypertension.
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Objective To explore the forensic identification points of deaths caused by secondary dam-ages of road traffic accidents. Methods Seventeen deaths caused by secondary dam ages of road traffic accidents were collected. Through scene investigation and necropsy, the basic inform ation of the acci-dents, distribution and property of the injuries, and other inform ation were collected. A ccording to the collected data, the scene was reconstructed in order to confirm the injury process, analyze the way, mechanism and severity of injury, distinguish antem ortem injury from postm ortem injury, and determ ine the cause of deaths. Results C ertain features such as serious injuries, multiple traum as, com bined in-juries, co-existence of antem ortem and postm ortem injuries, multiple causes of wounds, com plex injury mechanism , as well as the mutual dam aging and overlapping injuries were quite characteristically noted in these secondary traffic accident cases. Conclusion Forensic assessment of deaths caused by secondary dam ages of road traffic accidents should be synthetically analyzed and judged through scene investigation and necropsy.
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Objective To investigate the causes,diagnosis and treatment of small intestinal bleeding.Methods The clinical datas of 34 cases of small intestinal bleeding confirmed by surgery and pathology were analyzed retrospectively.Results Tumor was the first cause of small intestinal bleeding(13/34),there was no significant difference between the number of benign and malignant tumor,other causes were inflammatory small intestinal diseases(9/34),small intestinal diverticulum(7/34),angiodysplasia(4/34) and heterotopic pancreas(1/34).There were 11,3 and 2 cases who were diagnosed by double contrast barium meal,angiography and radionucleide scanning respectively,18 cases were diagnosed by exploratory laparotomy.Most patients were treated by intestinal segmentectomy.Conclusion Neoplasia is the most common cause of small intestinal bleeding,other causes are inflammatory small intestinal diseases,small intestinal diverticulum andangiodysplasia.Acombination of double contrast barium meal,angiography,radionucleide scanning,exploratory laparotomy and/or enteroscopy are helpful to diagnose small intestinal bleeding.Medical or endoscopic thyrapy is the first choice for treating small intestinal bleeding,surgical procedure,mainly intestinal segmentectomy,is the second choice.