Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control
Background: Cannabis use among young people in Chile has increased significantly in the last years. There is a consistent link between cannabis and psychosis. Aim: To compare cannabis use in patients with a first episode of psychosis and healthy controls. Material and Methods: We included 74 pati...
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Sociedad Médica de Santiago
2020
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oai:scielo:S0034-988720200011016062021-04-04Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-controlCastañeda,Carmen PazAlliende,Luz MaríaIruretagoyena,BárbaraNachar,RubénMancilla,FelipeDíaz,CamilaGallardo,CarlosMena,CristiánRamírez-Mahaluf,Juan PabloUndurraga,JuanGonzález-Valderrama,AlfonsoCrossley,Nicolás A. Cannabis Case-Control Studies Psychotic Disorders Background: Cannabis use among young people in Chile has increased significantly in the last years. There is a consistent link between cannabis and psychosis. Aim: To compare cannabis use in patients with a first episode of psychosis and healthy controls. Material and Methods: We included 74 patients aged 20 ± 3 years (78% males) admitted to hospital with a first episode of psychosis and a group of 60 healthy controls aged 23 ± 4 years (63% males). Cannabis consumption was assessed, including age of first time use and length of regular use. Results: Patients with psychosis reported a non-significantly higher frequency of life-time cannabis use. Patients had longer periods of regular cannabis use compared with healthy subjects (Odds ratio [OR] 2.4; 95% confi-dence intervals [CI] 1.14-5.05). Patients also used cannabis for the first time at an earlier age (16 compared with 17 years, p < 0.0). The population attributable fraction for regular cannabis use associated with hospital admissions due to psychosis was 17.7% (95% CI 1.2-45.5%). Conclusions: Cannabis use is related to psychosis in this Chilean group of patients. This relationship is stronger in patients with early exposure to the drug and longer the regular use. One of every five admissions due to psychosis is associated with cannabis consumption. These data should influence cannabis legisla-tion and the public policies currently being discussed in Chile.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.148 n.11 20202020-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872020001101606es10.4067/S0034-98872020001101606 |
institution |
Scielo Chile |
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Scielo Chile |
language |
Spanish / Castilian |
topic |
Cannabis Case-Control Studies Psychotic Disorders |
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Cannabis Case-Control Studies Psychotic Disorders Castañeda,Carmen Paz Alliende,Luz María Iruretagoyena,Bárbara Nachar,Rubén Mancilla,Felipe Díaz,Camila Gallardo,Carlos Mena,Cristián Ramírez-Mahaluf,Juan Pablo Undurraga,Juan González-Valderrama,Alfonso Crossley,Nicolás A. Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
description |
Background: Cannabis use among young people in Chile has increased significantly in the last years. There is a consistent link between cannabis and psychosis. Aim: To compare cannabis use in patients with a first episode of psychosis and healthy controls. Material and Methods: We included 74 patients aged 20 ± 3 years (78% males) admitted to hospital with a first episode of psychosis and a group of 60 healthy controls aged 23 ± 4 years (63% males). Cannabis consumption was assessed, including age of first time use and length of regular use. Results: Patients with psychosis reported a non-significantly higher frequency of life-time cannabis use. Patients had longer periods of regular cannabis use compared with healthy subjects (Odds ratio [OR] 2.4; 95% confi-dence intervals [CI] 1.14-5.05). Patients also used cannabis for the first time at an earlier age (16 compared with 17 years, p < 0.0). The population attributable fraction for regular cannabis use associated with hospital admissions due to psychosis was 17.7% (95% CI 1.2-45.5%). Conclusions: Cannabis use is related to psychosis in this Chilean group of patients. This relationship is stronger in patients with early exposure to the drug and longer the regular use. One of every five admissions due to psychosis is associated with cannabis consumption. These data should influence cannabis legisla-tion and the public policies currently being discussed in Chile. |
author |
Castañeda,Carmen Paz Alliende,Luz María Iruretagoyena,Bárbara Nachar,Rubén Mancilla,Felipe Díaz,Camila Gallardo,Carlos Mena,Cristián Ramírez-Mahaluf,Juan Pablo Undurraga,Juan González-Valderrama,Alfonso Crossley,Nicolás A. |
author_facet |
Castañeda,Carmen Paz Alliende,Luz María Iruretagoyena,Bárbara Nachar,Rubén Mancilla,Felipe Díaz,Camila Gallardo,Carlos Mena,Cristián Ramírez-Mahaluf,Juan Pablo Undurraga,Juan González-Valderrama,Alfonso Crossley,Nicolás A. |
author_sort |
Castañeda,Carmen Paz |
title |
Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
title_short |
Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
title_full |
Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
title_fullStr |
Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
title_full_unstemmed |
Uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
title_sort |
uso de cannabis en jóvenes hospitalizados por un primer episodio de psicosis: un estudio caso-control |
publisher |
Sociedad Médica de Santiago |
publishDate |
2020 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872020001101606 |
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