Harmen Beurmanjer

150 Supplements Supplement I Unity in diversity: A systematic review on the GHB using population B.A.G. Dijkstra, H. Beurmanjer, A.E. Goudriaan, A.F.A. Schellekens, E.A.G. Joosten Overview included studies People reporting at emergency departments with GHB overdose Reference Aim Study design Methods Anderson et al., 2009; Dyer et al., 2001 To investigate the correlation between area- level socioeconomic status (SES) and GHB use patterns. Cohort study (retrospective case record) from January 1, 1999 to July 1, 2007. N= 210 (Anderson et al., 2009). N= 8, case series (Dyer et al., 2001). GHB-related cases reported to California Poison Control System (CPCS), United States, 24h emergency telephone consultation service for public and health care professionals. Anderson et al., 2006 To analyse changes in GHB case reporting. Retrospective case report study from 1-1-1999 through 31-12-2003. N=1,331, GHB-related cases reported to California Poison Control System (CPCS), United States, 24h emergency telephone consultation service. Boyce et al., 2000 Presentation of GHB related intoxications at an emergency department. Case report N=7, Patients presented at an emergency department in the UK who consumed GHB either alone or in conjunction with other drugs and alcohol. Boyd et al., 2012 To study the frequency of injecting drug use among GHB/GBL overdose patients and whether there are temporal differences in the occurrence of GHB/GBL overdoses of injecting drug and recreational drug users. Retrospective database study from 1-1-2006 to 31-12-2007. N=100 GHB/GBL overdoses / n=90 patients. Ambulance and hospital records of suspected GHB/GBL overdose patients treated by Helsinki Emergency medical service, Finland: group A (n=39) overdose occurred on a Friday or Saturday night between 11pm-6am, group B (n=61) overdoses occurring outside this time frame.