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Guo J, Wang L, Zhao X, Wang D, Zhang X. Sex difference in association between suicide attempts and lipid profile in first-episode and drug naive patients with major depressive disorder. J Psychiatr Res 2024; 172:24-33. [PMID: 38354544 DOI: 10.1016/j.jpsychires.2024.02.026] [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: 08/08/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 02/16/2024]
Abstract
BACKGROUND The relationship between suicide attempts and lipid profiles in patients with major depressive disorder (MDD) remains uncertain. The purpose of this study was to investigate sex differences in the relationship between suicide attempts and plasma lipid profiles in a large sample of first-episode and drug naive (FEDN) MDD patients. METHODS We recruited 1718 FEDN MDD patients and gathered demographic, clinical, and blood lipid data. The Hamilton Depression Rating Scale, Hamilton Anxiety Rating Scale and the Positive and Negative Syndrome Scale were used to assess the symptoms of patients. RESULTS There was no significant difference in the prevalence of suicide attempts between male and female MDD patients. The suicide attempt group had higher levels of depression, anxiety, psychotic symptoms, total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C), but lower levels of high-density lipoprotein cholesterol (HDL-C) levels than the non-suicide attempt group. Binary logistic regression showed that TC levels were significantly correlated with suicidal attempts in both male and female patients. Correlation analysis revealed that the levels of TC, HDL-C and LDL-C were significantly associated with the number of suicide attempts in both male and female patients. Further multiple linear regression revealed that TC levels were significantly associated with the number of suicide attempts in male patients only. CONCLUSIONS Lipid biomarkers, particularly high TC levels, are associated with suicide attempts in both male and female MDD patients. However, there is gender difference in association between lipid biomarkers, especially TC levels, and the number of suicide attempts in MDD patients.
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Affiliation(s)
- Junru Guo
- School of Psychology, Guizhou Normal University, Guiyang, 550025, China; Department of Psychology, Guizhou Minzu University, Guiyang, 550025, China
| | - Li Wang
- School of Psychology, Guizhou Normal University, Guiyang, 550025, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiaoqing Zhao
- Student Affairs Office, Guizhou University, Guiyang, 550025, China
| | - Dongmei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100101, China.
| | - Xiangyang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100101, China.
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Olgiati P, Pecorino B, Serretti A. Neurological, Metabolic, and Psychopathological Correlates of Lifetime Suicidal Behaviour in Major Depressive Disorder without Current Suicide Ideation. Neuropsychobiology 2024; 83:89-100. [PMID: 38499003 DOI: 10.1159/000537747] [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: 09/11/2023] [Accepted: 01/30/2024] [Indexed: 03/20/2024]
Abstract
INTRODUCTION Suicidal behaviour (SB) has a complex aetiology. Although suicidal ideation (SI) is considered the most important risk factor for future attempts, many people who engage in SB do not report it. METHODS We investigated neurological, metabolic, and psychopathological correlates of lifetime SB in two independent groups of patients with major depression (sample 1: n = 230; age: 18-65 years; sample 2: n = 258; age >60 years) who did not report SI during an index episode. RESULTS Among adults (sample 1), SB was reported by 141 subjects (58.7%) and severe SB by 33 (15%). After controlling for interactions, four risk factors for SB emerged: male gender (OR 2.55; 95% CI: 1.06-6.12), negative self-perception (OR 1.76; 95% CI: 1.08-2.87), subthreshold hypomania (OR 4.50; 95% CI: 1.57-12.85), and sexual abuse (OR 3.09; 95% CI: 1.28-7.48). The presence of at least two of these factors had the best accuracy in predicting SB: sensitivity = 57.6% (39.2-74.5); specificity = 75.1% (68.5-82.0); PPV = 27.9% (20.9-37.2); NPV = 91.4% (87.6-94.1). In older patients (sample 2), 23 subjects (9%) reported previous suicide attempts, which were characterized by earlier onset (25 years: OR 0.95: 0.92-0.98), impaired verbal performance (verbal fluency: OR 0.95: 0.89-0.99), higher HDL cholesterol levels (OR 1.04: 1.00-1.07) and more dyskinesias (OR 2.86: 1.22-6.70). CONCLUSION Our findings suggest that SB is common in major depressive disorder, even when SI is not reported. In these individuals it is feasible and recommended to investigate both psychiatric and organic risk factors. The predictive power of models excluding SI is comparable to that of models including SI.
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Affiliation(s)
- Paolo Olgiati
- Department of Sciences of Public Health and Paediatrics, University of Turin, Turin, Italy
- Mental Health Department, Azienda Sanitaria Locale TO4, Turin, Italy
| | - Basilio Pecorino
- Department of Obstetrics and Gynecology, Cannizzaro Hospital, Kore University of Enna, Enna, Italy
| | - Alessandro Serretti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- Department of Medicine and Surgery, Kore University of Enna, Enna, Italy
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Choi W, Kang HJ, Kim JW, Kim HK, Kang HC, Lee JY, Kim SW, Stewart R, Kim JM. Age-specific associations between serum cholesterol levels and suicidal behaviors in patients with depressive disorders: A naturalistic prospective observational cohort study. Front Psychiatry 2023; 14:1095579. [PMID: 37139327 PMCID: PMC10150039 DOI: 10.3389/fpsyt.2023.1095579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 03/27/2023] [Indexed: 05/05/2023] Open
Abstract
Introduction This study investigated the effects of total cholesterol levels on prevalent, and incident suicidal behaviors according to age group (<60 vs. ≥60 years) in depressed patients. Methods Consecutive outpatients with depressive disorders who visited the Chonnam National University Hospital between March 2012 and April 2017 were recruited. Among 1,262 patients assessed at baseline, 1,094 agreed to blood sampling for measurement of serum total cholesterol levels. Among the patients, 884 completed the 12-week acute treatment phase and were followed up at least once during the 12-month continuation treatment phase. Suicidal behaviors assessed at baseline included baseline suicidal severity; behaviors assessed at the 1-year follow-up included increased suicidal severity and fatal/non-fatal suicide attempts. Associations of baseline total cholesterol levels with the above-mentioned suicidal behaviors were analyzed using logistic regression models after adjustment for relevant covariates. Results Of 1,094 depressed patients, 753 (68.8%) were women. The mean (SD) age of patients was 57.0 (14.9) years. Lower total cholesterol levels (87-161 mg/dl) were associated with increased suicidal severity (Linear Wald = 4.478, p < 0.05) and fatal/non-fatal suicide attempt (Linear Wald = 7.490, p < 0.01) in patients <60 years of age. U-shaped associations between total cholesterol levels and 1-year follow-up suicidal outcomes (increased suicidal severity, Quadratic Wald = 6.299, p < 0.05; fatal/non-fatal suicide attempt, Quadratic Wald = 5.697, p < 0.05) were observed in patients ≥60 years of age. Conclusions These findings suggest that differential consideration of serum total cholesterol levels according to age group may have clinical utility for predicting suicidality in patients with depressive disorders. However, because our research participants came from a single-hospital, the generalizability of our findings may be limited.
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Affiliation(s)
- Wonsuk Choi
- Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Hee-Ju Kang
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Ju-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Hee Kyung Kim
- Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Ho-Cheol Kang
- Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Ju-Yeon Lee
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sung-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Robert Stewart
- King’s College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom
- South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - Jae-Min Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
- *Correspondence: Jae-Min Kim,
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Exploring the role of serum lipid profile and neutrophil-to-lymphocyte ratio in violent suicide attempters: a cross sectional study. CNS Spectr 2022; 27:362-368. [PMID: 33298214 DOI: 10.1017/s1092852920002199] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Suicidality is one of the most common complications of mental disorders, so that the identification of potential biomarkers may be relevant in clinical practice. To date, the role of serum lipids and neutrophil/lymphocyte ratio (NLR) has been explored albeit with conflicting results. To the best of our knowledge, no study has explored lipid levels concomitantly with NLR in relation to violent suicide attempts. Therefore, we aimed to investigate whether serum lipid levels and NLR might be associated with the violent method of suicide attempts. METHODS The study group consisted of 163 inpatients who attempted suicide. Blood samples were collected at the beginning of hospitalization to measure total cholesterol, low-density lipoprotein (LDL), high-density lipoprotein, very-low-density lipoprotein (VLDL), triglycerides, and NLR. Descriptive analyses of the total sample were performed. The included patients were divided into two groups according to violent/nonviolent method. Groups were compared in terms of lipid (MANCOVAs). RESULTS Plasma levels of total cholesterol (F = 5.66; P = .02), LDL (F = 4.94; P = .03), VLDL (F = 5.66; P = .02), and NLR (F = 8.17; P < .01) resulted to be significantly lower in patients that used a violent method compared to patients who attempted suicide with a nonviolent method. CONCLUSIONS Low cholesterol, LDL, and VLDL levels as well as low NLR value were associated with a violent method of suicide attempt in patients with mental disorders. Further studies are needed to confirm these results.
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Association between serum lipid concentrations and attempted suicide in patients with major depressive disorder: A meta-analysis. PLoS One 2020; 15:e0243847. [PMID: 33301469 PMCID: PMC7728216 DOI: 10.1371/journal.pone.0243847] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 11/30/2020] [Indexed: 11/19/2022] Open
Abstract
Background There is growing evidence that serum lipid concentrations may be associated with attempted suicide in patients with major depressive disorder (MDD), but these findings remain controversial. Thus, we performed a comprehensive meta-analysis to quantitatively assess the associations between serum lipid concentrations and attempted suicide in MDD patients. Materials and methods Electronic databases (PubMed, Embase, the Cochrane Library and the China National Knowledge Library) were searched for relevant literature up to 10 February 2020. We used a random-effects model based on heterogeneity amongst studies and generated pooled standardised mean differences (SMDs). Results Thirty-two studies comprising 7,068 subjects met the inclusion criteria. A pooled analysis showed that compared with non-attempters, MDD patients who had attempted suicide had significantly lower serum concentrations of total cholesterol (TC) (SMD: -0.63, 95% CI: -0.83 to -0.44) and low-density lipoprotein cholesterol (LDL-C) (SMD: -0.69, 95% CI: -1.04 to -0.34), but the serum concentrations of high-density lipoprotein cholesterol (HDL-C) (SMD: -0.12, 95% CI: -0.33 to 0.10) and triglycerides (TGs) (SMD: 0.00, 95% CI: -0.20 to 0.20) were not significantly different between the two groups. Subgroup and meta-regression analysis indicated that heterogeneity with respect to TC concentrations may be due to different ages (p = 0.041) and sample sizes (p = 0.016) of studies, and that heterogeneity with respect to HDL-C concentrations may be partly due to different settings of studies (p = 0.017). Conclusions This meta-analysis demonstrated that lower concentrations of TC and LDL-C, but not of HDL-C and TGs, were associated with attempted suicide in MDD patients. This indicates that TC and LDL-C may be useful as biological markers for predicting whether MDD patients may attempt to commit suicide.
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Zhao K, Zhou S, Shi X, Chen J, Zhang Y, Fan K, Zhang X, Wang W, Tang W. Potential metabolic monitoring indicators of suicide attempts in first episode and drug naive young patients with major depressive disorder: a cross-sectional study. BMC Psychiatry 2020; 20:387. [PMID: 32723375 PMCID: PMC7389868 DOI: 10.1186/s12888-020-02791-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 07/20/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUNDS Major depressive disorder is an ordinary mental disorder, and suicide is considered to be a major concern among patients with MDD. Previous studies focused on the relationship between suicide attempts and metabolism in elderly patients with MDD, while ignore the young people. The aim of this study is to find the potential relationship between suicide attempts and metabolism in young patients with MDD to find a way to prevent and ultimately reduce suicide in young patients with MDD. METHODS Cross-sectional design was employed in the study.740 patients aged between 18 and 45 years old with MDD had been consecutively recruited in this study between 2011 and 2017, 128 of whom had suicide attempts. Their serum samples used to monitor fasting blood glucose, serum lipids as well as socio-demographic characteristics were collected. Besides, some clinical scales were also employed to measure symptoms of anxiety, depression and other conditions. RESULTS This study indicated that compared with non-suicide attempters, suicide attempters in young patients with MDD showed higher levels of FBG, TC, LDL-C (all p < 0.05) and lower levels of HDL-C(p < 0.001). Further logistic regression analysis suggested that suicide attempts were associated with increased FBG, decreased HDL-C, the course of disease, HAMD scores and obvious anxiety. CONCLUSIONS Suicide attempts in young patients with MDD may be predicted by metabolic levels in the future. And our findings suggested that the level of FBG and HDL-C can be promising biomarkers to predict the occurrence of this event.
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Affiliation(s)
- Ke Zhao
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Siyao Zhou
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Xiang Shi
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Jianjun Chen
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Yaoyao Zhang
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Kaili Fan
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Xiangyang Zhang
- grid.454868.30000 0004 1797 8574CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China ,grid.410726.60000 0004 1797 8419Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100101 China
| | - Wei Wang
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang China
| | - Wei Tang
- The Affiliated Kangning Hospital of Wenzhou Medical University, Shengjin Road, Lucheng District, Wenzhou, 325007, Zhejiang Province, China. .,Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Ma YJ, Zhou YJ, Wang DF, Li Y, Wang DM, Liu TQ, Zhang XY. Association of Lipid Profile and Suicide Attempts in a Large Sample of First Episode Drug-Naive Patients With Major Depressive Disorder. Front Psychiatry 2020; 11:543632. [PMID: 33132931 PMCID: PMC7561363 DOI: 10.3389/fpsyt.2020.543632] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 08/25/2020] [Indexed: 11/24/2022] Open
Abstract
Several studies have reported a link between lipid disorders and suicidality. However, few studies have investigated the relationship between suicidal behavior and blood lipid profiles in patients with first-episode and drug-naive (FEDN) major depressive disorder (MDD). The main purpose of this study was to examine the relationship between plasma lipid profiles and suicide attempts in a large sample of FEDN MDD patients in the Chinese Han population, which has not been reported. A total of 1,718 MDD outpatients were recruited. Their clinical and demographic data as well as plasma lipid parameters were collected. We obtained suicide attempt data through interviews with patients and their family members. We rated the Hamilton Depression Scale (HAMD) and Hamilton Anxiety Scale (HAMA) for all patients. The suicide attempt rate of MDD patients was 20.14%, of which 13.68% in the last month and 6.46% in the past. Further, compared with non-attempters, suicide attempters had significantly higher total levels of cholesterol (TC) and low-density lipoprotein cholesterol (LDL-c), higher HAMA and HAMD scores, but significantly lower high-density lipoprotein cholesterol (HDL-c) levels. Logistic regression analysis showed that suicide attempts were correlated with higher TC, lower HDL-c, and higher HAMA and HAMD scores with the adjusted odds ratio (OR) of 1.35, 0.52,1.28, and 1.08, respectively (all p < 0.05). Our findings suggest that FEDN patients with MDD have a high rate of attempted suicide. In the early stage of MDD patients, certain blood lipid parameters and more severe symptoms of anxiety and depression are correlated with suicide attempts. However, due to the cross-sectional design of this study, it is impossible to draw a causal relationship between lipid profiles and suicide attempts. Moreover, an inverse correlation can also be considered, that is, high cholesterol may be the consequence of suicide attempts and depression.
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Affiliation(s)
- Yue-Jiao Ma
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, The China National Clinical Research Center for Mental Health Disorders, Chinese National Technology Institute of Psychiatry, Key Laboratory of Psychiatry and Mental Health of Hunan Province, Changsha, China.,Department of Addictive Behavior and Addiction Medicine, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Yong-Jie Zhou
- Research Center for Psychological and Health Sciences, China University of Geosciences, Wuhan, China.,Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science & Technology, Wuhan, China
| | - Dong-Fang Wang
- Department of Psychiatry and Psychotherapy, Technical University of Munich, Munich, Germany
| | - Yi Li
- Research Center for Psychological and Health Sciences, China University of Geosciences, Wuhan, China.,Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science & Technology, Wuhan, China
| | - Dong-Mei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
| | - Tie-Qiao Liu
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, The China National Clinical Research Center for Mental Health Disorders, Chinese National Technology Institute of Psychiatry, Key Laboratory of Psychiatry and Mental Health of Hunan Province, Changsha, China
| | - Xiang-Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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8
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Abstract
Suicide is a relevant worldwide public health problem. Many studies have shown that different demographic and clinical factors are potentially associated with suicidal behavior. Other studies have reported data about the role of biomarkers in the onset of suicidal behaviors. Specifically, researchers have found that suicidal risk may be increased by abnormalities in serotonergic system, hypothalamic-pituitary-adrenal axis, lipid metabolism, immune system and neuronal plasticity. The identification of specific biological parameters associated with self-harm may be helpful to implement prevention strategies and also to detect new therapeutic strategies. In this review, we summarize and analyze the results of main studies about neurobiological mechanisms related to suicidal behavior, also exploring the possible interconnection between the different biological systems.
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Suneson K, Asp M, Träskman-Bendz L, Westrin Å, Ambrus L, Lindqvist D. Low total cholesterol and low-density lipoprotein associated with aggression and hostility in recent suicide attempters. Psychiatry Res 2019; 273:430-434. [PMID: 30684788 DOI: 10.1016/j.psychres.2019.01.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 12/29/2018] [Accepted: 01/13/2019] [Indexed: 11/18/2022]
Abstract
Low cholesterol levels have been correlated with both suicidal and aggressive behavior in psychiatric patients. Few studies have investigated associations between serum lipid profiles and both aggressive state and trait. Fifty-two psychiatric medication-free inpatients were included in this study after a suicide attempt. Composite scores of "State Aggression" and "Trait Aggression" were calculated using relevant items from the Comprehensive Psychopathological Rating Scale and the Karolinska Scales of Personality. State Aggression was significantly and negatively correlated with total cholesterol (TC) and low-density lipoprotein (LDL). Trait Aggression was also significantly and negatively correlated with LDL, but not TC. There were small but significant mediation effects of severity of anxiety symptoms on the relationship between State Aggression and TC as well as LDL. In exploratory analyses we found that low cholesterol was also associated with personality traits of hostility. Moreover, low cholesterol was more robustly associated with personality trait items related to interpersonal aggression, as opposed to items related to irritability or more indirect, non-overt aggression. Our findings suggest that low cholesterol is associated with both state and trait aggression in suicide attempters. Future mechanistic studies are warranted to better understand the relationship between low cholesterol and high aggression in suicide attempters.
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Affiliation(s)
- Klara Suneson
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden.
| | - Marie Asp
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden
| | - Lil Träskman-Bendz
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden
| | - Åsa Westrin
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden
| | - Livia Ambrus
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden
| | - Daniel Lindqvist
- Lund University, Faculty of Medicine, Department of Clinical Sciences, Psychiatry, Lund, Sweden
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De La Vega D, Giner L, Courtet P. Suicidality in Subjects With Anxiety or Obsessive-Compulsive and Related Disorders: Recent Advances. Curr Psychiatry Rep 2018; 20:26. [PMID: 29594718 DOI: 10.1007/s11920-018-0885-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
PURPOSE OF REVIEW Historically, anxiety disorders have not been considered as important determinants of suicide, but in the last years, many works have challenged this assumption. Here, we will review the available evidence on the relationship between suicide and anxiety disorders (e.g., obsessive-compulsive disorder, post-traumatic stress disorder, generalized anxiety disorder, panic disorder, and body dysmorphic disorder), with special emphasis on findings published in the last years. RECENT FINDINGS Overall, anxiety disorders increase the risk of suicide. Specifically, 16% of patients with social anxiety disorder reported suicidal ideation in the previous month, and 18% of them had a history of suicide attempts. Similarly, in patients with panic disorder, suicidal ideation prevalence ranged between 17 and 32%, and 33% of them had a history of suicide attempts. Generalized anxiety disorder (GAD) was the most frequent anxiety disorder in completed suicides (present in 3% of people who committed suicide) and also subthreshold GAD was clearly linked to suicide ideation. Post-traumatic stress disorder was positively associated with suicidal ideation, and in patients with obsessive-compulsive disorder, suicide ideation rates ranged from 10 to 53% and suicide attempts from 1 to 46%. Body dysmorphic disorders presented a suicide ideation prevalence of about 80%. Suicide risk is increased in subjects with anxiety disorder. This risk is higher in the presence of comorbidities, but it is not clear whether it is independent from such comorbidities in some disorders.
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Affiliation(s)
- Diego De La Vega
- Unidad de Hospitalización de Salud Mental, Unidad de Gestión Clínica de Salud Mental del Hospital Virgen Macarena, Servicio Andaluz de Salud, Sevilla, Spain
| | - Lucas Giner
- Department of Psychiatry, School of Medicine, Universidad de Sevilla, Av. Sánchez-Pizjuán s/n, 41009, Seville, Spain.
| | - Philippe Courtet
- CHRU Montpellier, University of Montpellier, INSERM unit 1061, Montpellier, France.,Fondamental Foundation, Créteil, France
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11
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Mathew B, Srinivasan K, Pradeep J, Thomas T, Mandal AK. Suicidal behaviour is associated with decreased esterified cholesterol in plasma and membrane fluidity of platelets. Asian J Psychiatr 2018; 32:105-109. [PMID: 29222984 DOI: 10.1016/j.ajp.2017.11.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 10/26/2017] [Accepted: 11/27/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Altered cholesterol levels in body fluids and brain tissues have been shown to be associated with suicidal behaviour, violence and aggression. But the biological underpinnings of this association in the pathophysiology of suicide are not clear. Cholesterol plays a crucial role in maintaining the cellular membrane fluidity and alterations in cellular membrane fluidity may impair serotonergic neurotransmission in the central nervous system. METHODS We measured plasma esterified cholesterol and platelet membrane fluidity using fluorescence anisotropy and estimated flow activation energy which is a measure of order of membrane lipid bilayer in patients with recent suicidal attempt and compared with age and gender matched controls. RESULTS The plasma esterified cholesterol, platelet membrane fluidity and flow activation energy was found to be significantly lower in patients with recent suicidal attempts compared to controls. CONCLUSION Altered levels of plasma esterified cholesterol which is in equilibrium with membrane cholesterol might have resulted in decreased membrane fluidity and an increase in the order of membrane lipid bilayer. This might impair the serotonergic neurotransmission, which has been implicated in the pathophysiology of suicide.
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Affiliation(s)
- Boby Mathew
- Clinical Proteomics Unit, Division of Molecular Medicine, St. John's Research Institute, St. John's National Academy of Health Sciences, Bangalore, India
| | - Krishnamachari Srinivasan
- Department of Psychiatry, St. John's Medical College and Hospital, St. John's National Academy of Health Sciences, Bangalore, India
| | - Johnson Pradeep
- Department of Psychiatry, St. John's Medical College and Hospital, St. John's National Academy of Health Sciences, Bangalore, India
| | - Tinku Thomas
- Division of Epidemiology and Biostatistics, St. John's Research Institute, St. John's National Academy of Health Sciences, Bangalore, India
| | - Amit Kumar Mandal
- Clinical Proteomics Unit, Division of Molecular Medicine, St. John's Research Institute, St. John's National Academy of Health Sciences, Bangalore, India.
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12
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Messaoud A, Mensi R, Mhalla A, Hallara I, Neffati F, Douki W, Najjar MF, Gaha L. [Dyslipidemia and suicidal risk in patients with psychiatric disorders]. Encephale 2017; 44:315-320. [PMID: 28583656 DOI: 10.1016/j.encep.2017.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 03/17/2017] [Accepted: 03/23/2017] [Indexed: 10/19/2022]
Abstract
The aim of this work is to study the association between dyslipidemia and suicidal risk in patients with psychiatric pathology. Our study has involved 155 patients suffering from major depressive disorder and 124 schizophrenic patients aged 40.58±12.16 and 43.43±10.60 years, respectively. Total cholesterol (TC), triglycerides (TG) and HDL-c were determined by enzymatic methods, LDL-c was calculated by the Friedewald formula. Plasma cholesterol level was significantly lower among suicidal schizophrenic or depressive patients. There were no significant differences in the others lipid levels. The results of our study suggest that total cholesterol values less than 3.59mmol/L could be an indicator of suicide vulnerability in patients with schizophrenia or major depressive disorder.
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Affiliation(s)
- A Messaoud
- Service de psychiatrie, laboratoire de recherche « vulnérabilité aux psychoses LR 05 ES 10 », hôpital universitaire de Monastir, Monastir, Tunisie; Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie.
| | - R Mensi
- Service de psychiatrie, laboratoire de recherche « vulnérabilité aux psychoses LR 05 ES 10 », hôpital universitaire de Monastir, Monastir, Tunisie; Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie
| | - A Mhalla
- Service de psychiatrie, laboratoire de recherche « vulnérabilité aux psychoses LR 05 ES 10 », hôpital universitaire de Monastir, Monastir, Tunisie
| | - I Hallara
- Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie
| | - F Neffati
- Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie
| | - W Douki
- Service de psychiatrie, laboratoire de recherche « vulnérabilité aux psychoses LR 05 ES 10 », hôpital universitaire de Monastir, Monastir, Tunisie; Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie
| | - M F Najjar
- Laboratoire de biochimie-toxicologie, hôpital universitaire de Monastir, Monastir, Tunisie
| | - L Gaha
- Service de psychiatrie, laboratoire de recherche « vulnérabilité aux psychoses LR 05 ES 10 », hôpital universitaire de Monastir, Monastir, Tunisie
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Abstract
PURPOSE OF REVIEW The rising suicide rate in the USA will not be reversed without improved risk assessment and prevention practices. To date, the best method for clinicians to assess a patient's risk for suicide is screening for past suicide attempts in the patient and their family. However, neuroimaging, genomic, and biochemical studies have generated a body of findings that allow description of an initial heuristic biological model for suicidal behavior that may have predictive value. RECENT FINDINGS We review studies from the past 3 years examining potential biological predictors of suicide attempt behavior. We divide findings into two major categories: (1) structural and functional brain imaging findings and (2) biochemical and genomic findings encompassing several systems, including major neurotransmitters (serotonin, catecholamines, GABA, and glutamate), the hypothalamic pituitary adrenal (HPA) axis, the inflammasome, lipids, and neuroplasticity. The biomarkers that appear promising for assessing suicide risk in clinical settings include indices of serotonergic function, inflammation, neuronal plasticity, and lipids.
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De Berardis D, Serroni N, Campanella D, Marini S, Rapini G, Valchera A, Iasevoli F, Mazza M, Fornaro M, Perna G, Di Iorio G, Martinotti G, Di Giannantonio M. Alexithymia, Suicide Ideation, C-Reactive Protein, and Serum Lipid Levels Among Outpatients with Generalized Anxiety Disorder. Arch Suicide Res 2017; 21:100-112. [PMID: 25856390 DOI: 10.1080/13811118.2015.1004485] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The aim of the present study was to investigate the relationships between alexithymia, suicide ideation, C-Reactive Protein (CRP), and serum lipid levels in adult outpatients with a DSM-IV diagnosis of Generalized Anxiety Disorder (GAD). Seventy consecutive patients with GAD were recruited and evaluated. Measures were the Hamilton Anxiety Scale, the Toronto Alexithymia Scale (TAS-20), the Scale of Suicide Ideation (SSI), and the Montgomery Åsberg Depression Rating Scale (MADRS). All patients were assessed for: CRP, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), triglyceridaemia (TG), and very-low-density lipoprotein cholesterol (VLDL-C). TC/HDL-C and LDL-C/HDL-C ratios were also evaluated. Alexithymic patients showed higher scores on almost all rating scales and altered serum CRP and lipid levels vs. non-alexithymics. In the hierarchical regression model, the presence of higher MADRS scores together with higher scores at the Difficulty in Identifying Feelings dimension of TAS-20 were associated with higher rates of suicide ideation. Although alexithymic subjects with GAD may show a CRP and cholesterol dysregulation, this latter seems independent on increased suicide ideation, rather to Difficulty in Identifying Feelings, and subthreshold depressive symptoms. Study limitations and future research implications are discussed.
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15
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Messaoud A, Mensi R, Mrad A, Mhalla A, Azizi I, Amemou B, Trabelsi I, Grissa MH, Salem NH, Chadly A, Douki W, Najjar MF, Gaha L. Is low total cholesterol levels associated with suicide attempt in depressive patients? Ann Gen Psychiatry 2017; 16:20. [PMID: 28428806 PMCID: PMC5392998 DOI: 10.1186/s12991-017-0144-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 04/05/2017] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Patients with major depressive disorder (MDD) have a high risk of suicide. Many pathophysiological factors involved in MDD and suicide such us a low cholesterol levels have been associated with MDD and increased vulnerability to suicide. In this study, we investigate the relation between lipid parameters and suicide risk in patients with MDD. METHODS Plasma levels of total cholesterol, triglycerides, and high-density lipoprotein cholesterol (HDL-c) and low-density lipoprotein cholesterol (LDL-c) were determined in 160 patients meeting the DSM-IV-TR criteria for MDD (110 patients without suicidal behavior and 52 suicidal attempters) and 151 healthy controls. RESULTS A significant decrease in plasma cholesterol levels was observed in the group of suicidal depressive patients compared to those without suicidal behavior (p < 0.001). For the other lipid levels (triglycerides, HDL cholesterol, and LDL cholesterol), there were no significant differences between suicidal and non-suicidal patients. CONCLUSIONS Our study showed a significant decrease in plasma cholesterol levels in suicidal patients. This result support the hypothesis of the association of low plasma cholesterol level and suicidal behavior in patients with major depressive disorder.
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Affiliation(s)
- A Messaoud
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - R Mensi
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia.,Laboratory of Biochemistry-Toxicology, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - A Mrad
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - A Mhalla
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - I Azizi
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia.,Laboratory of Biochemistry-Toxicology, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - B Amemou
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - I Trabelsi
- Department of Emergency, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - M H Grissa
- Department of Emergency, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - N Haj Salem
- Department of Forensic Medicine, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - A Chadly
- Department of Forensic Medicine, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - W Douki
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia.,Laboratory of Biochemistry-Toxicology, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - M F Najjar
- Laboratory of Biochemistry-Toxicology, Monastir University Hospital, University of Monastir, Monastir, Tunisia
| | - L Gaha
- Research Laboratory 'Vulnerability to psychotic disorders LR 05 ES 10', Department of Psychiatry, Monastir University Hospital, University of Monastir, Monastir, Tunisia
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16
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Shin HY, Kang G, Kang HJ, Kim SW, Shin IS, Yoon JS, Kim JM. Associations between serum lipid levels and suicidal ideation among Korean older people. J Affect Disord 2016; 189:192-8. [PMID: 26451502 DOI: 10.1016/j.jad.2015.09.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 08/24/2015] [Accepted: 09/25/2015] [Indexed: 01/08/2023]
Abstract
INTRODUCTION There have been inconsistent reports on the relationships between lipids and suicidality, and studies conducted in older adults are rare. This study examined associations between serum lipid levels and suicidal ideation in an older population. METHODS This study used data obtained from a representative Korean sample of 4265 people age 65 years or older who completed a self-administered questionnaire about suicidal ideation over the last year. The fasting serum concentrations of total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and triglycerides were measured and categorized into lower, intermediate (reference), and upper quartiles. A complex sample logistic regression stratified by gender was performed to determine the associations between serum lipid levels and suicidal ideation after controlling for covariates including age, education, marital status, current smoking, alcohol drinking, body mass index, hypertension, diabetes, diagnosed depression, antidepressant use, and lipid-lowering therapies. RESULTS In this study, the prevalence of suicidal ideation in an older Korean population was 22.9% (SE=0.9%). The prevalence was significantly higher in women than in men, 27.7% (1.2%) vs. 15.9% (1.1%) respectively. After adjusting for covariates, lower triglyceride levels were significantly associated with a decreased risk of suicidal ideation (OR=0.65; 95% CI=0.43-0.99) among men but no significant associations were observed among women. Additionally, there were no significant associations between any other measure of cholesterol levels and suicidal ideation in either men or women. LIMITATIONS Cross-sectional design cannot infer temporality or the effects of changes in variables. CONCLUSIONS These results support the association between lower triglyceride levels and a reduced risk of suicidal ideation among Korean men over 65. Further studies are necessary to investigate gender difference and the biological mechanism.
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Affiliation(s)
- Hee-Young Shin
- Department of Biomedical Science, Chonnam National University Medical School, 42 Jebongro, Dong-gu, Gwangju 501-746, Republic of Korea
| | - Gaeun Kang
- Division of Clinical Pharmacology, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Hee-Ju Kang
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sung-Wan Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Il-Seon Shin
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Jin-Sang Yoon
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Jae-Min Kim
- Department of Psychiatry, Chonnam National University Medical School, Gwangju, Republic of Korea.
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17
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Wu S, Ding Y, Wu F, Xie G, Hou J, Mao P. Serum lipid levels and suicidality: a meta-analysis of 65 epidemiological studies. J Psychiatry Neurosci 2016; 41:56-69. [PMID: 26505144 PMCID: PMC4688029 DOI: 10.1503/jpn.150079] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND We conducted a systematic review and meta-analysis to determine the association between serum lipid levels and suicidality, as evidence from previous studies has been inconsistent. METHODS We identified relevant studies by searching Medline, Web of Science, EMBASE, and the Cochrane Database of Systematic Reviews (1980 to Dec. 5, 2014). Studies assessing the association between serum total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and/or triglycerides (TG) levels and suicidality were included. We used a random-effects model to take into account heterogeneity among studies. RESULTS We included 65 studies with a total of 510 392 participants in our analysis. Compared with the nonsuicidal patients, suicidal patients had significantly lower serum TC (weighted mean difference [WMD] -22.35, 95% confidence interval [CI] -27.95 to -16.75), LDL-C (WMD -19.56, 95% CI -26.13 to -12.99) and TG (WMD -23.40, 95% CI -32.38 to -14.42) levels, while compared with the healthy controls, suicidal patients had significantly lower TC (WMD -24.75, 95% CI -27.71 to -21.78), HDL-C (WMD -1.75, 95% CI -3.01 to -0.48) and LDL-C (WMD -3.85, 95% CI -7.45 to -0.26) levels. Furthermore, compared with the highest serum TC level category, a lower serum TC level was associated with a 112% (95% CI 40%-220%) higher risk of suicidality, including a 123% (95% CI 24%-302%) higher risk of suicide attempt and an 85% (95 CI 7%-221%) higher risk of suicide completion. The cut-off values for low and high serum TC level were in compliance with the categories reported in the original studies. LIMITATIONS A major limitation of our study is the potential heterogeneity in most of the analyses. In addition, the suicidal behaviour was examined using different scales or methods across studies, which may further explain heterogeneity among the studies. CONCLUSION We identified an inverse association between serum lipid levels and suicidality. More mechanistic studies are needed to further explain this association.
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Affiliation(s)
| | | | | | | | - Jun Hou
- Correspondence to: P. Mao or J. Hou, Research Center for Clinical Medicine, the 302nd Hospital of PLA, No. 100 of West Fourth Ring Middle Road, Beijing, China, 100039; or
| | - Panyong Mao
- Correspondence to: P. Mao or J. Hou, Research Center for Clinical Medicine, the 302nd Hospital of PLA, No. 100 of West Fourth Ring Middle Road, Beijing, China, 100039; or
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18
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Misiak B, Kiejna A, Frydecka D. Higher total cholesterol level is associated with suicidal ideation in first-episode schizophrenia females. Psychiatry Res 2015; 226:383-8. [PMID: 25618471 DOI: 10.1016/j.psychres.2014.12.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 12/06/2014] [Accepted: 12/19/2014] [Indexed: 01/08/2023]
Abstract
There are inconsistent reports showing that the relationship between total cholesterol (TC) level and suicidality might be gender-specific. We compared 30 first-episode schizophrenia (FES) patients reporting suicidal ideation based on the Operational Criteria for Psychotic Illness (OPCRIT) checklist with 70 FES patients, who have never experienced suicidal ideation. After controlling for potential confounders, higher TC was associated with suicidal ideation only in FES females. Future studies should disentangle biological underpinnings of this gender-specific association.
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Affiliation(s)
- Błażej Misiak
- Department of Psychiatry, Wroclaw Medical University, 10 Pasteur Street, 50-367 Wroclaw, Poland; Department of Genetics, Wroclaw Medical University, 1 Marcinkowski Street, 50-368 Wroclaw, Poland.
| | - Andrzej Kiejna
- Department of Psychiatry, Wroclaw Medical University, 10 Pasteur Street, 50-367 Wroclaw, Poland
| | - Dorota Frydecka
- Department of Psychiatry, Wroclaw Medical University, 10 Pasteur Street, 50-367 Wroclaw, Poland
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19
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da Graça Cantarelli M, Nardin P, Buffon A, Eidt MC, Antônio Godoy L, Fernandes BS, Gonçalves CA. Serum triglycerides, but not cholesterol or leptin, are decreased in suicide attempters with mood disorders. J Affect Disord 2015; 172:403-9. [PMID: 25451444 DOI: 10.1016/j.jad.2014.10.033] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 10/14/2014] [Indexed: 12/22/2022]
Abstract
BACKGROUND Many peripheral biomarkers, including low cholesterol and its fractions, have been examined to identify suicidal behavior. Herein, we assessed serum lipid profile and some proteins putatively associated with suicidal behavior in subjects with mood disorder (bipolar disorder or major depressive disorder) with a recent suicide attempt and with no lifetime history of suicide attempts. METHODS Fifty subjects had presented an episode of attempted suicide during the last 15 days, and 36 subjects had no history of any suicide attempt. We measured total cholesterol, HDL, LDL and triglycerides as well as serum leptin, brain-derived neurotrophic factor (BDNF), S100B and C-reactive protein (CRP). RESULTS Individuals that had attempted suicide presented decreased body mass index (BMI) and waist circumference. After adjusting for these confounders, we found that triglycerides were decreased in attempted suicide subjects. We found no differences among total cholesterol, LDL, and HDL or leptin, S100B, CRP and BDNF. LIMITATIONS This is a cross-sectional study, and we cannot therefore assess whether a decrease in triglycerides caused a mood episode with suicidal ideation that led to a suicide attempt or if the presence of a mood episode originated a loss of appetite and consequent loss of weight, therefore decreasing triglyceride levels. CONCLUSIONS These results do not support the hypothesis that lower levels of cholesterol are associated with suicidal behavior in a mood disorder sample. However, our data support the idea that adiposity is differentiated in these patients (reduced BMI, waist circumference and serum triglycerides), which could lead to an altered communication between the adipose tissue and brain.
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Affiliation(s)
| | - Patrícia Nardin
- Laboratory of Calcium Binding Proteins in the Central Nervous System, Post Graduate Program in Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Andréia Buffon
- Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | | | - Brisa S Fernandes
- Laboratory of Calcium Binding Proteins in the Central Nervous System, Post Graduate Program in Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Carlos-Alberto Gonçalves
- Post Graduate Program in Neuroscience, Federal University of Rio Grande do Sul,Porto Alegre, Brazil; Laboratory of Calcium Binding Proteins in the Central Nervous System, Post Graduate Program in Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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20
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Abstract
INTRODUCTION Evidence for a possible association between a low level of cholesterol and increased suicidal behaviour has accumulated in the recent 3 decades. The present study investigates whether lipid levels can make state-dependent markers of suicidal behaviour in Polish patients with mood disorder recently admitted to a psychiatric hospital owing to an acute depressive episode. MATERIALS AND METHODS The study was conducted on 223 patients (73 male and 150 female) with unipolar (n=171) and bipolar (n=52) depression. They were interviewed to assess any occurrence of suicidal thoughts, suicidal tendencies and/or suicidal attempts during the 3 months before admission. Laboratory measurements [total cholesterol, low density lipoprotein (LDL) cholesterol, high density lipoprotein (HDL) cholesterol, triglycerides and total lipids] were obtained within 24-72 h after hospital admission. RESULTS Suicidal thoughts, tendencies, and attempts were associated with low total cholesterol, LDL cholesterol, and total lipids in both male and female patients, in both diagnostic categories. Triglycerides were significantly lower in male and female patients with suicidal thoughts compared with their non-suicidal counterparts. No association with suicidality was found with HDL cholesterol. CONCLUSIONS The results of our study support a majority of research showing the association in depressed patients between suicidal behaviour and low levels of total and LDL cholesterol. In addition, the data suggest a similar association with low total lipids, and in some instances, with low triglycerides.
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21
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Logan AC, Jacka FN. Nutritional psychiatry research: an emerging discipline and its intersection with global urbanization, environmental challenges and the evolutionary mismatch. J Physiol Anthropol 2014; 33:22. [PMID: 25060574 PMCID: PMC4131231 DOI: 10.1186/1880-6805-33-22] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 07/02/2014] [Indexed: 12/14/2022] Open
Abstract
In 21st-century public health, rapid urbanization and mental health disorders are a growing global concern. The relationship between diet, brain function and the risk of mental disorders has been the subject of intense research in recent years. In this review, we examine some of the potential socioeconomic and environmental challenges detracting from the traditional dietary patterns that might otherwise support positive mental health. In the context of urban expansion, climate change, cultural and technological changes and the global industrialization and ultraprocessing of food, findings related to nutrition and mental health are connected to some of the most pressing issues of our time. The research is also of relevance to matters of biophysiological anthropology. We explore some aspects of a potential evolutionary mismatch between our ancestral past (Paleolithic, Neolithic) and the contemporary nutritional environment. Changes related to dietary acid load, advanced glycation end products and microbiota (via dietary choices and cooking practices) may be of relevance to depression, anxiety and other mental disorders. In particular, the results of emerging studies demonstrate the importance of prenatal and early childhood dietary practices within the developmental origins of health and disease concept. There is still much work to be done before these population studies and their mirrored advances in bench research can provide translation to clinical medicine and public health policy. However, the clear message is that in the midst of a looming global epidemic, we ignore nutrition at our peril.
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Affiliation(s)
- Alan C Logan
- CAMNR, 23679 Calabasas Road Suite 542, Calabasas, CA 91302, USA
| | - Felice N Jacka
- School of Medicine, Deakin University, IMPACT SRC, PO Box 281, Geelong, VIC 3220, Australia
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22
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Davison KM, Kaplan BJ. Lipophilic Statin Use and Suicidal Ideation in a Sample of Adults With Mood Disorders. CRISIS 2014; 35:278-82. [DOI: 10.1027/0227-5910/a000260] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background: Mood disorders are associated with a high risk of suicide. Statin therapy has been implicated in this relationship. Aims: To further clarify reported associations between suicide and cholesterol in mental health conditions, we conducted an analysis of dietary, clinical, and suicidal ideation measures in community-living adults with mood disorders. Method: Data were used from a cross-sectional study of a randomly selected community-based sample (> 18 years; n = 97) with verified mood disorders. Dietary (e.g., fat, iron, vitamin intakes), clinical (e.g., current depression and mania symptoms, medications), and sociodemographic (age, sex, and income) measures were analyzed using bivariate statistics and Poisson regression with robust variance. Results: Participants were predominantly female (71.1%) with bipolar disorder (59.8%); almost one-third (28.9%) were taking lipophilic statins. The prevalence of suicidal ideation was more than 2.5 times in those taking statins, PR = 2.59, 95% CI 1.27–5.31, p < .05. The prevalence ratio for suicidal ideation was 1.10, 95% CI 1.06–1.15, p < .001, for each unit increase in mania symptom scores. No associations between suicidal ideation and dietary intake measures were identified. Conclusion: Individuals with mood disorders may be susceptible to neuropsychiatric effects of cholesterol-lowering drugs, which warrants further research.
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Affiliation(s)
- Karen M. Davison
- School of Nursing, University of British Columbia, Vancouver, BC, Canada
- Health Science Program, Kwantlen Polytechnic University, Surrey, BC, Canada
| | - Bonnie J. Kaplan
- Department of Paediatrics, Department of Community Health Sciences, University of Calgary, AB, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, AB, Canada
- Department of Community Health Sciences, University of Calgary, AB, Canada
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De Berardis D, Serroni N, Marini S, Rapini G, Carano A, Valchera A, Iasevoli F, Mazza M, Signorelli M, Aguglia E, Perna G, Martinotti G, Varasano PA, Pressanti GL, Di Giannantonio M. Alexithymia, suicidal ideation, and serum lipid levels among drug-naïve outpatients with obsessive-compulsive disorder. ACTA ACUST UNITED AC 2014; 36:125-30. [PMID: 24554275 DOI: 10.1590/1516-4446-2013-1189] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Accepted: 08/17/2013] [Indexed: 11/22/2022]
Abstract
OBJECTIVE As obsessive-compulsive disorder (OCD) is a relatively common psychiatric disorder with a significant suicide risk, the individuation of potential biomarkers of suicidality, such as cholesterol levels, may enable recognition of at-risk subjects. Therefore, the aims of this study were to: 1) evaluate potential differences in clinical and laboratory parameters between patients with and without alexithymia and compare them with healthy controls; and 2) investigate which clinical and laboratory variables were associated with suicidal ideation. METHODS 79 drug-naïve adult outpatients with a DSM-IV diagnosis of OCD were recruited. Alexithymia was measured with the 20-item Toronto Alexithymia Scale (TAS-20), suicidal ideation was assessed with the Scale for Suicide Ideation, and depressive symptoms were evaluated with the Montgomery-Åsberg Depression Rating Scale (MADRS). Serum lipid levels of 40 healthy controls were also evaluated. RESULTS Alexithymic patients had altered serum lipid levels in comparison with non-alexithymics and healthy controls. Using a linear regression model, the presence of symmetry/ordering obsessions and compulsions, lower HDL-C levels, and difficulty in identifying feelings dimension of the TAS-20 were associated with higher suicidal ideation. CONCLUSIONS Alexithymic individuals with OCD may exhibit dysregulation of the cholesterol balance, which in turn may be linked to suicidal ideation. Further prospective studies are required to elucidate this potential association.
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Affiliation(s)
- Domenico De Berardis
- Psychiatric Service of Diagnosis and Treatment, Department of Mental Health, G. Mazzini Hospital, Teramo, Italy
| | - Nicola Serroni
- Psychiatric Service of Diagnosis and Treatment, Department of Mental Health, G. Mazzini Hospital, Teramo, Italy
| | - Stefano Marini
- Psychiatric Service of Diagnosis and Treatment, Department of Mental Health, G. Mazzini Hospital, Teramo, Italy
| | - Gabriella Rapini
- Psychiatric Service of Diagnosis and Treatment, Department of Mental Health, G. Mazzini Hospital, Teramo, Italy
| | - Alessandro Carano
- Department of Neurosciences and Imaging, Chair of Psychiatry, Universitè degli Studi G. d'Annunzio Chieti e Pescara, Chieti Scalo, Italy
| | | | - Felice Iasevoli
- Section of Psychiatry, Department of Neuroscience, School of Medicine, Universitè degli Studi di Napoli Federico II, Naples, Italy
| | - Monica Mazza
- Department of Science of Health, Universitè degli Studi dell'Aquila, L'Aquila, Italy
| | - Maria Signorelli
- Department of Clinical and Molecular Biomedicine, Universitè degli Studi di Catania, Catania, Italy
| | - Eugenio Aguglia
- Department of Clinical and Molecular Biomedicine, Universitè degli Studi di Catania, Catania, Italy
| | - Giampaolo Perna
- Department of Psychiatry and Neuropsychology, University of Maastricht, Maastricht, The Netherlands
| | | | - Paola A Varasano
- Department of Immunohematology and Transfusional Medicine, G. Mazzini Hospital, Teramo, Italy
| | | | - Massimo Di Giannantonio
- Department of Neurosciences and Imaging, Chair of Psychiatry, Universitè degli Studi G. d'Annunzio Chieti e Pescara, Chieti Scalo, Italy
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24
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Park S, Yi KK, Na R, Lim A, Hong JP. No association between serum cholesterol and death by suicide in patients with schizophrenia, bipolar affective disorder, or major depressive disorder. Behav Brain Funct 2013; 9:45. [PMID: 24308827 PMCID: PMC4028838 DOI: 10.1186/1744-9081-9-45] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 11/23/2013] [Indexed: 11/24/2022] Open
Abstract
Background Previous research on serum total cholesterol and suicidality has yielded conflicting results. Several studies have reported a link between low serum total cholesterol and suicidality, whereas others have failed to replicate these findings, particularly in patients with major affective disorders. These discordant findings may reflect the fact that studies often do not distinguish between patients with bipolar and unipolar depression; moreover, definitions and classification schemes for suicide attempts in the literature vary widely. Methods Subjects were patients with one of the three major psychiatric disorders commonly associated with suicide: schizophrenia, bipolar affective disorder, and major depressive disorder (MDD). We compared serum lipid levels in patients who died by suicide (82 schizophrenia, 23 bipolar affective disorder, and 67 MDD) and non-suicide controls (200 schizophrenia, 49 bipolar affective disorder, and 175 MDD). Results Serum lipid profiles did not differ between patients who died by suicide and control patients in any diagnostic group. Conclusions Our results do not support the use of biological indicators such as serum total cholesterol to predict suicide risk among patients with a major psychiatric disorder.
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Affiliation(s)
- Subin Park
- Department of Psychiatry, Asan Medical Center, Ulsan University College of Medicine, 388-1 Pungnap-2dong Songpa-gu, Seoul 138-736, South Korea.
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