目的··:了解经过多长时间,何种原因,有多大比例的烫吸海洛因滥用者转变为静脉注射海洛因滥用者。方法··:采用我院自制的戒毒病例调查表,对在我院脱毒治疗的病例进行调查。结果··:共调查海洛因滥用者1060例,其中男性792例 (占74.7 % ),女性268例 (占25.3 % );平均年龄25.5a±s6.3a;静脉注射296例(占27.9 %),烫吸及卷烟吸742例 (占70.0 % ),静脉注射与烫吸混合滥用22例 (占2.1% );滥用时间从1a到10a不等;滥用海洛因到第6a时静脉注射已占滥用者的64.1 % (25/39),第10a时占66.7 % (10/15);静脉注射的比例每年大约以10 %的速度增加。由烫吸向静脉注射转变的原因主要是增强欣快感、节省毒品及缩短用毒时间等。结论··:海洛因滥用从烫吸到注射方式转变很快,大约在6a内有60 %以上由烫吸转为静脉注射,6a以后转变上升缓慢;预防静脉注射的关键是在吸毒后的6a之内 Objectives: To understand how long and for what reason, what percentage of those hot abusers of heroin are converted to intravenous abuse of heroin. Methods · · ·: using our hospital self-made drug case questionnaire to investigate cases of detoxification in our hospital. RESULTS: A total of 1060 cases of heroin abusers were investigated, including 792 (74.7%) males and 268 females (25.3%) with an average age of 25.5a ± s6.3a; 296 (27.9%) were intravenously injected, Hot smoking and cigarette smoking 742 cases (70.0%), intravenous injection and hot suction mixed abuse of 22 cases (2.1%); abuse of time ranging from 1a to 10a; abuse of heroin to the first 6 after intravenous injection of abusive 64.1% (25/39) and 66.7% (10/15) at the tenth day. The proportion of intravenous injection increased by about 10% every year. From hot suction to intravenous injection of change is mainly to enhance euphoria, save drugs and shorten the time with the poison. Conclusion · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Inside