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Chen X, Wang S, Shen W. The causal relationship between severe mental illness and risk of lung carcinoma. Medicine (Baltimore) 2024; 103:e37355. [PMID: 38489734 PMCID: PMC10939700 DOI: 10.1097/md.0000000000037355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 03/17/2024] Open
Abstract
Observational studies have suggested a link between severe mental illness (SMI) and risk of lung carcinoma (LC); however, causality has not been established. In this study, we conducted a two-sample, two-step Mendelian randomization (MR) investigation to uncover the etiological influence of SMI on LC risk and quantify the mediating effects of known modifiable risk factors. We obtained summary-level datasets for schizophrenia, major depressive disorder (MDD), and bipolar disorder (BD) from the Psychiatric Genomics Consortium (PGC). Data on single nucleotide polymorphisms (SNPs) associated with lung carcinoma (LC) were sourced from a recent large meta-analysis by McKay et al. We employed two-sample MR and two-step MR utilizing the inverse variance weighted method for causal estimation. Sensitivity tests were conducted to validate causal relationships. In two-sample MR, we identified schizophrenia as a risk factor for LC (OR = 1.06, 95% CI 1.02-1.11, P = 3.48E-03), while MDD (OR = 1.18, 95% CI 0.98-1.42, P = .07) and BD (OR = 1.07, 95% CI 0.99-1.15, P = .09) showed no significant association with LC. In the two-step MR, smoking accounted for 24.66% of the schizophrenia-LC risk association, and alcohol consumption explained 7.59% of the effect. Schizophrenia is a risk factor for lung carcinoma, and smoking and alcohol consumption are the mediating factors in this causal relationship. LC screening should be emphasized in individuals with schizophrenia, particularly in those who smoke and consume alcohol regularly.
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Affiliation(s)
- Xiaohan Chen
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, China
| | - Shudan Wang
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, China
| | - Weiyu Shen
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, China
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2
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Johnstad PG. Unhealthy behaviors associated with mental health disorders: a systematic comparative review of diet quality, sedentary behavior, and cannabis and tobacco use. Front Public Health 2024; 11:1268339. [PMID: 38249418 PMCID: PMC10797041 DOI: 10.3389/fpubh.2023.1268339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 11/14/2023] [Indexed: 01/23/2024] Open
Abstract
Background There are well-established literatures documenting the associations between mental disorders and unhealthy behaviors such as poor diet quality, sedentary behavior, and cannabis and tobacco use. Few studies have attempted to understand the respective findings in light of each other, however. Objective The purpose of this review was to assemble comparable data for each behavior-disorder association and assess the associations in terms of their overall strength. The review aimed to include a representative, but not exhaustive, range of studies that would allow for explorative comparisons. Methods Eligible studies were identified via Pubmed searches and citation searching, restricted to publications no older than 2015 written in English. To obtain comparable data, only studies that reported findings as odds ratios were included, and risk of bias related to study samples, behavioral measurement disparities, and control variables was assessed via sensitivity analyses. Findings for each disorder were compared on the basis of different measures of central tendency. Results From 3,682 records, 294 studies were included. The review found evidence of associations between each of the four unhealthy behaviors and psychosis, depression, anxiety, bipolar disorder, attention-deficit/hyperactivity disorder (ADHD), and post-traumatic stress disorder (PTSD), while personality disorder was only investigated in relation to cannabis and tobacco use. In overall comparison, the associations were generally of similar strength, and only the association between cannabis use and personality disorder was exceptional in terms of being significantly stronger than its counterparts across disorders and across behaviors. Analyses of bias risk identified some influence from behavioral measurement disparities and lack of adequate statistical control, but findings were generally robust across a range of sensitivity analyses. Conclusion This explorative and comparative review found that poor diet quality, sedentary behavior, and cannabis and tobacco use are about equally strongly associated with a range of different mental disorders. Given the general nature of these associations, we should probably understand them to reflect a general and shared etiology. However, the findings in this review should be regarded as tentative until confirmed by more comprehensive investigations.
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3
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Cui Y, Lu W, Shao T, Zhuo Z, Wang Y, Zhang W. Severe mental illness and the risk of breast cancer: A two-sample, two-step multivariable Mendelian randomization study. PLoS One 2023; 18:e0291006. [PMID: 37656762 PMCID: PMC10473543 DOI: 10.1371/journal.pone.0291006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 08/21/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Based on epidemiological reports, severe mental illness (SMI) and breast cancer (BC) risk are linked positively. However, it is susceptible to clinical confounding factors, such as smoking, alcohol consumption, etc. Here, we performed a two-sample, two-step multivariable Mendelian randomization (MR) research to explore how the SMI etiologically influences BC risk and to quantify mediating effects of known modifiable risk factors. METHODS Data concerning the single nucleotide polymorphism (SNP)-associated with schizophrenia, bipolar disorder (BD), major depressive disorder (MDD), and BC were obtained from two large consortia: the Breast Cancer Association Consortium (BCAC) and the Psychiatric Genomics Consortium (PGC). Then, the correlations of the previous SMI with the BC prevalence and the potential impact of mediators were explored through the two-sample and two-step MR analyses. RESULTS In two-sample MR, schizophrenia increased BC incidence (odds ratio (OR) 1.06, 95% confidence interval (CI) 1.02-1.10, P = 0.001). In subgroup analysis, schizophrenia increased ER+ BC (OR 1.06, 95% CI 1.03-1.10, P = 0.0009) and ER-BC (OR 1.06, 95% CI 1.01-1.11, P = 0.0123) incidences. Neither MDD nor BD elevated the BC risk. In two-step MR, smoking explained 11.29% of the schizophrenia-all BC risk association. CONCLUSIONS Our study indicates that schizophrenia increases susceptibility to breast cancer, with smoking playing a certain mediating role. Therefore, BC screening and smoking should be incorporated into the health management of individuals with schizophrenia.
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Affiliation(s)
- Yongjia Cui
- Oncology Department, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
| | - Wenping Lu
- Oncology Department, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
| | - Tianrui Shao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zhili Zhuo
- Oncology Department, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
| | - Ya’nan Wang
- Oncology Department, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
| | - Weixuan Zhang
- Oncology Department, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
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4
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Fischer B, Hall W, Fidalgo TM, Hoch E, Foll BL, Medina-Mora ME, Reimer J, Tibbo PG, Jutras-Aswad D. Recommendations for Reducing the Risk of Cannabis Use-Related Adverse Psychosis Outcomes: A Public Mental Health-Oriented Evidence Review. J Dual Diagn 2023; 19:71-96. [PMID: 37450645 DOI: 10.1080/15504263.2023.2226588] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Objective: Cannabis use is increasingly normalized; psychosis is a major adverse health outcome. We reviewed evidence on cannabis use-related risk factors for psychosis outcomes at different stages toward recommendations for risk reduction by individuals involved in cannabis use. Methods: We searched primary databases for pertinent literature/data 2016 onward, principally relying on reviews and high-quality studies which were narratively summarized and quality-graded; recommendations were developed by international expert consensus. Results: Genetic risks, and mental health/substance use problem histories elevate the risks for cannabis-related psychosis. Early age-of-use-onset, frequency-of-use, product composition (i.e., THC potency), use mode and other substance co-use all influence psychosis risks; the protective effects of CBD are uncertain. Continuous cannabis use may adversely affect psychosis-related treatment and medication effects. Risk factor combinations further amplify the odds of adverse psychosis outcomes. Conclusions: Reductions in the identified cannabis-related risks factors-short of abstinence-may decrease risks of related adverse psychosis outcomes, and thereby protect cannabis users' health.
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Affiliation(s)
- Benedikt Fischer
- Centre for Applied Research in Mental Health and Addiction, Faculty of Health Sciences, Simon Fraser University, Vancouver, Canada
- Department of Psychiatry, University of Toronto, Toronto, Canada
- Research and Graduate Studies Division, University of the Fraser Valley, Abbotsford, Canada
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
- Department of Psychiatry, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Wayne Hall
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, University of Queensland, St Lucia, Australia
| | - Thiago M Fidalgo
- Department of Psychiatry, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Eva Hoch
- Department of Psychiatry, Ludwig-Maximilian-University, Munich, Germany
- Institut für Therapieforschung (IFT), Munich, Germany
| | - Bernard Le Foll
- Translational Addiction Research Laboratory and Campbell Family Mental Health Research Institute and Acute Care Program, Centre for Addiction and Mental Health, Toronto, Canada
- Department of Pharmacology and Toxicology and Dalla Lana School of Public Health and Department of Psychiatry and Institute of Medical Science, University of Toronto, Toronto, Canada
- Waypoint Research Institute, Waypoint Centre for Mental Health Care, Penetanguishene, Canada
| | - Maria-Elena Medina-Mora
- Center for Global Mental Health Research, National Institute of Psychiatry Ramón de la Fuente Muñiz, Mexico City, Mexico
- Department of Psychiatry and Mental Health, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Jens Reimer
- Departments of Psychiatry and Psychotherapy, Center for Interdisciplinary Addiction Research, University of Hamburg, Hamburg, Germany
- Center for Psychosocial Medicine, Academic Teaching Hospital Itzehoe, Itzehoe, Germany
| | - Philip G Tibbo
- Department of Psychiatry, Dalhousie University, Halifax, Canada
- Nova Scotia Health, Halifax, Canada
| | - Didier Jutras-Aswad
- Research Centre, Centre Hospitalier de l'Université de Montréal, Montreal, Canada
- Department of Psychiatry and Addictology, Faculty of Medicine, Université de Montréal, Édouard Montpetit Boulevard, Montreal, Canada
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5
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D'Souza DC, DiForti M, Ganesh S, George TP, Hall W, Hjorthøj C, Howes O, Keshavan M, Murray RM, Nguyen TB, Pearlson GD, Ranganathan M, Selloni A, Solowij N, Spinazzola E. Consensus paper of the WFSBP task force on cannabis, cannabinoids and psychosis. World J Biol Psychiatry 2022; 23:719-742. [PMID: 35315315 DOI: 10.1080/15622975.2022.2038797] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
OBJECTIVES The liberalisation of cannabis laws, the increasing availability and potency of cannabis has renewed concern about the risk of psychosis with cannabis. METHODS The objective of the WFSBP task force was to review the literature about this relationship. RESULTS Converging lines of evidence suggest that exposure to cannabis increases the risk for psychoses ranging from transient psychotic states to chronic recurrent psychosis. The greater the dose, and the earlier the age of exposure, the greater the risk. For some psychosis outcomes, the evidence supports some of the criteria of causality. However, alternate explanations including reverse causality and confounders cannot be conclusively excluded. Furthermore, cannabis is neither necessary nor sufficient to cause psychosis. More likely it is one of the multiple causal components. In those with established psychosis, cannabis has a negative impact on the course and expression of the illness. Emerging evidence also suggests alterations in the endocannabinoid system in psychotic disorders. CONCLUSIONS Given that exposure to cannabis and cannabinoids is modifiable, delaying or eliminating exposure to cannabis or cannabinoids, could potentially impact the rates of psychosis related to cannabis, especially in those who are at high risk for developing the disorder.
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Affiliation(s)
- Deepak Cyril D'Souza
- Psychiatry Service, VA Connecticut Healthcare System, West Haven, CT, USA.,Abraham Ribicoff Research Facilities, Connecticut Mental Health Center, New Haven, CT, USA.,Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Marta DiForti
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, UK.,South London and Maudsley NHS Mental Health Foundation Trust, London, UK
| | - Suhas Ganesh
- Psychiatry Service, VA Connecticut Healthcare System, West Haven, CT, USA.,Abraham Ribicoff Research Facilities, Connecticut Mental Health Center, New Haven, CT, USA.,Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Tony P George
- Addictions Division and Centre for Complex Interventions, Centre for Addiction and Mental Health (CAMH), Toronto, Canada.,Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Wayne Hall
- The National Centre for Youth Substance Use Research, University of Queensland, Brisbane, Australia
| | - Carsten Hjorthøj
- Copenhagen Research Center for Mental Health - CORE, Mental Health Center Copenhagen, Copenhagen University, Copenhagen, Denmark.,Department of Public Health, Section of Epidemiology, University of Copenhagen, Copenhagen, Denmark
| | - Oliver Howes
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,Institute for Clinical Sciences, Imperial College London, London, UK
| | - Matcheri Keshavan
- Beth Israel Deaconess Medical Center, Massachusetts Mental Health Center, Harvard Medical School, Boston, MA, USA
| | - Robin M Murray
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Timothy B Nguyen
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, UK.,Institute for Clinical Sciences, Imperial College London, London, UK
| | - Godfrey D Pearlson
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA.,Olin Neuropsychiatry Ctr. Institute of Living, Hartford, CT, USA
| | - Mohini Ranganathan
- Psychiatry Service, VA Connecticut Healthcare System, West Haven, CT, USA.,Abraham Ribicoff Research Facilities, Connecticut Mental Health Center, New Haven, CT, USA.,Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Alex Selloni
- Abraham Ribicoff Research Facilities, Connecticut Mental Health Center, New Haven, CT, USA.,Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Nadia Solowij
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia.,Australian Centre for Cannabinoid Clinical and Research Excellence (ACRE), New Lambton Heights, NSW, Australia
| | - Edoardo Spinazzola
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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6
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Ellonen N, Pitkänen J, Miller BL, Remes H, Aaltonen M, Oksanen A, Martikainen P. Does early drug use-related police contact predict premature mortality and morbidity: A population register-based study. Drug Alcohol Rev 2021; 41:449-456. [PMID: 34913531 PMCID: PMC9299625 DOI: 10.1111/dar.13416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 11/02/2021] [Accepted: 11/08/2021] [Indexed: 12/02/2022]
Abstract
Introduction The aim was to analyse whether age at first drug offense predicts premature mortality and morbidity due to substance use and violence among adolescents and young adults. Methods A prospective longitudinal register‐linkage study based on a total population sample from Finland including individuals born between 1987 and 1992 and aged 15–25 years during follow‐up in 2002–2017 (n = 386 435). Age‐specific rates of deaths and health‐care admissions (morbidity) during a 5‐year follow‐up were calculated from the first drug offense. Cox regression models were used to estimate differences in mortality and morbidity at ages 21–25. Results Of all 15‐ to 20‐year‐olds, 1.4% (n = 5540) have had a police contact. The 5‐year mortality rates (per 1000 person‐years) among those with first drug offense at ages 15–16 was 2.92 [95% confidence interval (CI) 1.56–6.18], and 5.26 (CI 4.00–7.07) and 5.05 (CI 4.06–6.38) at ages 17–18, and 19–20, respectively. The rates of morbidity varied between 61.20 (CI 52.43–71.76) and 87.51 (CI 82.11–93.33). Both mortality and morbidity rates were over 10 times higher than among the general population. In models adjusted for family background, first police contact at an early age (15–16) did not increase the risk of mortality at ages 21–25 compared with first police contact at ages 17–18 (hazard ratio 1.55, CI 0.77–3.09) or 19–20 (hazard ratio 1.52, CI 0.78–2.98). The results were similar for morbidity. Discussion and Conclusions Adolescents with drug‐related police contacts have high risk of mortality and morbidity due to substance use and violence regardless of age of first contact.
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Affiliation(s)
- Noora Ellonen
- Faculty of Social Science, Tampere University, Tampere, Finland
| | - Joonas Pitkänen
- Population Research Unit, University of Helsinki, Helsinki, Finland
| | - Bryan L Miller
- Department of Sociology, Anthropology and Crimianl Justice, Clemson University, Clemson, USA
| | - Hanna Remes
- Population Research Unit, University of Helsinki, Helsinki, Finland
| | - Mikko Aaltonen
- Law School, University of Eastern Finland, Joensuu, Finland
| | - Atte Oksanen
- Faculty of Social Science, Tampere University, Tampere, Finland
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7
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Kiburi SK, Molebatsi K, Ntlantsana V, Lynskey MT. Cannabis use in adolescence and risk of psychosis: Are there factors that moderate this relationship? A systematic review and meta-analysis. Subst Abus 2021; 42:527-542. [DOI: 10.1080/08897077.2021.1876200] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Sarah Kanana Kiburi
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA
- Department of Psychiatry, Mbagathi Hospital, Nairobi, Kenya
| | - Keneilwe Molebatsi
- Department of Psychiatry, Faculty of Medicine, University of Botswana, Gaborone, Botswana
- Department of Psychiatry, Nelson Mandela School of Clinical Medicine, University of Kwa-Zulu Natal, Durban, South Africa
| | - Vuyokazi Ntlantsana
- Department of Psychiatry, Nelson Mandela School of Clinical Medicine, University of Kwa-Zulu Natal, Durban, South Africa
| | - Michael T. Lynskey
- Addiction Department, Institute of Psychiatry, Psychology and Neuroscience, Kings college London, London, UK
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8
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Perrini F, Matrone M, de Bartolomeis A, Montano A, Amici E, Callovini G, Cuomo I, de Persis S, Lombardozzi G, Battagliese G, Porrari R, Kotzalidis GD, De Filippis S. Developmental trajectories in psychiatric disorders: does substance/alcohol use moderate the effects of affective temperaments as moderators of age at onset? A study in post-acute, hospitalized patients with psychotic or DSM-5 bipolar or major depressive disorders. J Addict Dis 2021; 39:373-387. [PMID: 33587024 DOI: 10.1080/10550887.2021.1886568] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Age-at-onset (AAO) affects psychiatric disorder outcome; substance (SUDs) or alcohol use disorders (AUDs) may influence their onset. Affective temperaments may affect early AAO and drug-use proneness. Objectives: To investigate whether SUD/AUD moderated temperamental effects in determining AAO of mental disorders. Methods: We included 300 post-acute inpatients with schizophrenia-spectrum and other psychotic (SSOPDs), major depressive (MDD) or bipolar (BD) disorders (168 men; mean age, 40.63 years ± 11.82 men, 43.21 years ± 12.69 women) with (N = 110) or without (N = 190) SUD/AUD. Patients completed cross-sectionally TEMPS-A. We carried moderation analysis with each regression-significant TEMPS temperament as independent variable, SUD/AUD presence/absence as dichotomous moderator, and AAO as dependent variable. Significance was set at p < 0.05. Results: AAO was lower in patients with SUD/AUD diagnosis than in patients without (23.74 ± 10.09 vs. 27.73 ± 10.35, respectively, p = 0.001, η2 = 0.034). SUD/AUD patients scored higher on the hyperthymic (10.22 ± 4.08, p < 0.001, η2 = 0.069) and irritable (8.26 ± 4.69, p < 0.01, η2 = 0.026) temperaments than nonSUD/AUD patients. Moderation analysis showed only direct effects of irritable (β = -0.55, p < 0.005) and hyperthymic (β = -0.95, p < 0.001) temperaments on AAO and no significant SUD/AUD and interaction effects. Limitations. Cross-sectional design. Conclusions: When irritable and hyperthymic traits prevail over other temperaments, AAO is earlier in SSOPDs, MDD, and BD. SUD/AUD presence/absence does not moderate the relationship between temperament and AAO.
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Affiliation(s)
- Filippo Perrini
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,Istituto A.T. Beck-Diagnostic Centre, Research and Training in Cognitive-Behavioral Psychotherapy, Rome, Italy
| | - Marta Matrone
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University, Naples, Italy
| | - Andrea de Bartolomeis
- Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University, Naples, Italy
| | - Antonella Montano
- Istituto A.T. Beck-Diagnostic Centre, Research and Training in Cognitive-Behavioral Psychotherapy, Rome, Italy
| | - Emanuela Amici
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy
| | - Gemma Callovini
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,Department of Mental Health, ASL Rieti, Rieti, Italy
| | - Ilaria Cuomo
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,Istituto Penitenziario Regina Coeli, ASL RM1, Rome, Italy
| | | | | | - Gemma Battagliese
- Centro di Riferimento Alcologico della Regione Lazio, RM1, Rome, Italy
| | - Raffaella Porrari
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,Centro di Riferimento Alcologico della Regione Lazio, RM1, Rome, Italy
| | - Georgios D Kotzalidis
- Von Siebenthal Neuropsychiatric Hospital, Genzano di Roma, Italy.,NESMOS Department, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy
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9
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Bruins J, Pijnenborg GHM, Visser E, Castelein S. The association of cannabis use with quality of life and psychosocial functioning in psychosis. Schizophr Res 2021; 228:229-234. [PMID: 33461022 DOI: 10.1016/j.schres.2020.11.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 08/31/2020] [Accepted: 11/29/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Cannabis use is highly prevalent among people with a psychotic disorder. They often report sociality, coping with unpleasant affect and having positive experiences as important reasons for cannabis use, suggesting that cannabis improves their quality of life (QoL) and psychosocial functioning. However, based on previous studies we hypothesize that cannabis use is negatively associated with long-term subjective QoL and psychosocial functioning in people with a psychotic disorder. METHODS We included 2994 people with a psychotic disorder (36.4% female), mean age 44.4 (SD 11.9), mean illness duration 17.2 years (SD 11.1), who participated in two yearly routine outcome assessments between 2014 and 2018 (interval 9-15 months) from the naturalistic PHAMOUS cohort study. Linear regression analyses were used to examine whether first assessment cannabis use was associated with QoL (ManSA) and psychosocial functioning (HoNOS). Changes in outcomes between assessments were analyzed with AN(C)OVA, to examine differences between continuers (n = 255), discontinuers (n = 85), starters (n = 83) and non-users (n = 2571). RESULTS At first assessment, 11.4% was using cannabis. They had lower QoL (B = -2.93, p < 0.001) and worse psychosocial functioning (B = 1.03, p = 0.002) than non-users. After one year, changes in QoL and psychosocial functioning were not significantly different between continuers, starters, discontinuers and non-users. CONCLUSIONS Cannabis users were less satisfied with their family relations and financial situation and showed more aggressive and disruptive behavior and self-harm than non-users. These differences are likely the result of patients having used cannabis for many years. Starting or discontinuing cannabis did not lead to changes in QoL and psychosocial functioning within one year.
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Affiliation(s)
- J Bruins
- Lentis Psychiatric Institute, Lentis Research, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, University Center for Psychiatry, Rob Giel Research Center, Groningen, the Netherlands.
| | - G H M Pijnenborg
- University of Groningen, Faculty of Behavioural and Social Sciences, Department of Clinical Psychology and Experimental Psychopathology, Groningen, the Netherlands; GGZ Drenthe Mental Health Institution, Assen, the Netherlands.
| | | | - E Visser
- University of Groningen, University Medical Center Groningen, University Center for Psychiatry, Rob Giel Research Center, Groningen, the Netherlands.
| | - S Castelein
- Lentis Psychiatric Institute, Lentis Research, Groningen, the Netherlands; University of Groningen, Faculty of Behavioural and Social Sciences, Department of Clinical Psychology and Experimental Psychopathology, Groningen, the Netherlands.
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10
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Madero S, Oliveras C, Pons MT, Sague M, López-Pelayo H, Gual A, Balcells M. Cannabis use the week before admission to psychiatric in-patient service as a marker of severity. J Psychiatr Res 2020; 129:40-46. [PMID: 32563776 DOI: 10.1016/j.jpsychires.2020.05.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To evaluate if cannabis dose recorded as standard joint unit (SJU) consumed before admission and other related factors have an influence on psychiatric inpatient's symptom severity and clinical outcomes. METHODS Cross-sectional study in an acute psychiatric inpatient unit including 106 individuals. Quantity of cannabis was measured as SJU and symptoms severity through the Brief Psychiatric Rating Scale (BPRS). Secondary outcomes (e.g. length of stay) were also assessed. Bivariate analyses and multivariate analyses were performed to determine the effect of SJU consumed before admission on measures of clinical severity. RESULTS Point prevalence of cannabis use before admission was 25.5%. Mean BPRS score was 55.8 (SD = 16.1); and 62.9 (SD = 11.1) among cannabis users. A low degree positive correlation between SJU consumed the week before admission and BPRS score (rs = 0.28, p = 0.03) was found. In the multivariate analyses both main diagnostic group, Schizophrenia and other psychotic disorders vs. others (Bipolar and Unipolar Affective Disorders and Addictive disorders) (B = 8.327; 95% CI 4.976-11.677) and need of PRN ("pre re nata" or when necessary) administration of antipsychotics and benzodiazepines (B = 12.13; 95% CI 6.868-17.393) were significant predictors, both increasing BPRS score. CONCLUSIONS The study did not find a correlation between SJU consumed last week and psychiatric severity. On the other hand, individuals with psychotic disorders reported a higher prevalence of cannabis use the week before admission and displayed higher BPRS scores, which points to the need for the development of tailored interventions for high-risk groups. The SJU is a useful quantification tool suitable for further clinical research.
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Affiliation(s)
- S Madero
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain; Addictions Research Group, Institut D'Investigacions Biomèdiques August Pi I Sunyer, Barcelona, Spain.
| | - C Oliveras
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain; Addictions Research Group, Institut D'Investigacions Biomèdiques August Pi I Sunyer, Barcelona, Spain
| | - M T Pons
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain
| | - M Sague
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain
| | - H López-Pelayo
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain; Addictions Research Group, Institut D'Investigacions Biomèdiques August Pi I Sunyer, Barcelona, Spain
| | - A Gual
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain; Addictions Research Group, Institut D'Investigacions Biomèdiques August Pi I Sunyer, Barcelona, Spain
| | - M Balcells
- Department of Psychiatry and Psychology, Institute of Neuroscience, Hospital Clinic of Barcelona, Research Group on Addictions, Barcelona, Spain; Addictions Research Group, Institut D'Investigacions Biomèdiques August Pi I Sunyer, Barcelona, Spain
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