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Søndergaard A, Gregersen M, Wilms M, Brandt JM, Hjorthøj C, Ohland J, Rohd SB, Hemager N, Andreassen AK, Knudsen CB, Veddum L, Krantz MF, Greve A, Bliksted V, Mors O, Lykkegaard K, Krustrup P, Thorup AE, Nordentoft M. Inflammatory markers, somatic complaints, use of medication and health care in 11-year-old children at familial high risk of schizophrenia or bipolar disorder compared with population-based controls. The Danish High Risk and Resilience Study - via 11. Nord J Psychiatry 2024; 78:507-517. [PMID: 38923920 DOI: 10.1080/08039488.2024.2369145] [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: 11/04/2023] [Revised: 05/12/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
PURPOSE Patients with schizophrenia or bipolar disorder are at increased risk of somatic illnesses and have more somatic complaints compared with the general population. Schizophrenia and bipolar disorder are highly heritable. Already during childhood, children at familial high risk of schizophrenia (FHR-SZ) or bipolar disorder (FHR-BD) are at increased risk of psychiatric disorders and cognitive and social impairments. Knowledge about physical conditions is sparse. MATERIALS AND METHODS Through blood tests (n = 293), interviews, and questionnaires, we assessed inflammatory markers, somatic complaints, medication - and health care use in 11-year-old children at FHR-SZ, FHR-BD, and population-based controls (PBC). RESULTS Children at FHR-SZ had higher concentrations of leucocytes (mean 6.41, SD 0.73) compared with PBC (mean 5.78, SD 0.27, p = 0.005) and of neutrophilocytes (FHR-SZ: mean 3.11, SD 1.32, PBC: mean 2.70, SD 0.96, p = 0.024). Compared with PBC (26.6%), more children at FHR-SZ (40.5%, p = 0.007) reported somatic complaints. So did caregivers and teachers to children at FHR-BD. Somatic complaints, higher concentrations of leucocytes, and neutrophilocytes were associated with lower levels of physical activity. Children at FHR-BD with psychiatric disorders reported more somatic complaints compared with those without. CONCLUSION Children at FHR-SZ had higher concentrations of leucocytes and neutrophilocytes than PBC. Children at FHR-SZ or FHR-BP displayed more somatic complaints than controls. Our study highlights rarely explored disadvantage of being born to parents with schizophrenia or bipolar disorder. To enhance understanding of how physical conditions in childhood may interplay with later transition to mental disorders in children at FHR-SZ and FHR-BD, further research is needed.
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Affiliation(s)
- Anne Søndergaard
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
| | - Maja Gregersen
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Child and Adolescent Mental Health Center, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
| | - Martin Wilms
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
| | - Julie Marie Brandt
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
| | - Carsten Hjorthøj
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Department of Public Health, Section of Epidemiology, University of Copenhagen, Copenhagen, Denmark
| | - Jessica Ohland
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
| | - Sinnika Birkehøj Rohd
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
| | - Nicoline Hemager
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Department of Psychology, University of Copenhagen, Copenhagen, Denmark
| | - Anna Krogh Andreassen
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Christina Bruun Knudsen
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Lotte Veddum
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Mette Falkenberg Krantz
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Child and Adolescent Mental Health Center, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
| | - Aja Greve
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark
- Research Unit of Psychiatry (Odense), Department of Clinical Research, University of Southern, Denmark
| | - Vibeke Bliksted
- Research Unit of Psychiatry (Odense), Department of Clinical Research, University of Southern, Denmark
| | - Ole Mors
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark
- Research Unit of Psychiatry (Odense), Department of Clinical Research, University of Southern, Denmark
| | | | - Peter Krustrup
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Anne E Thorup
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Child and Adolescent Mental Health Center, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Merete Nordentoft
- Mental Health Centre Copenhagen, Copenhagen University Hospital, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
- Faculty of Health and Medical Sciences, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Ali F, Ang RP. Predicting How Well Adolescents Get Along with Peers and Teachers: A Machine Learning Approach. J Youth Adolesc 2022; 51:1241-1256. [PMID: 35377099 DOI: 10.1007/s10964-022-01605-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/14/2022] [Indexed: 10/18/2022]
Abstract
How well adolescents get along with others such as peers and teachers is an important aspect of adolescent development. Current research on adolescent relationship with peers and teachers is limited by classical methods that lack explicit test of predictive performance and cannot efficiently discover complex associations with potential non-linearity and higher-order interactions among a large set of predictors. Here, a transparently reported machine learning approach is utilized to overcome these limitations in concurrently predicting how well adolescents perceive themselves to get along with peers and teachers. The predictors were 99 items from four instruments examining internalizing and externalizing psychopathology, sensation-seeking, peer pressure, and parent-child conflict. The sample consisted of 3232 adolescents (M = 14.0 years, SD = 1.0 year, 49% female). Nonlinear machine learning classifiers predicted with high performance adolescent relationship with peers and teachers unlike classical methods. Using model explainability analyses at the item level, results identified influential predictors related to somatic complaints and attention problems that interacted in nonlinear ways with internalizing behaviors. In many cases, these intrapersonal predictors outcompeted in predictive power many interpersonal predictors. Overall, the results suggest the need to cast a much wider net of variables for understanding and predicting adolescent relationships, and highlight the power of a data-driven machine learning approach with implications on a predictive science of adolescence research.
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Affiliation(s)
- Farhan Ali
- Learning Sciences and Assessment Academic Group, National Institute of Education, Nanyang Technological University, Singapore, Singapore.
| | - Rebecca P Ang
- Psychology and Child & Human Development Academic Group, National Institute of Education, Nanyang Technological University, Singapore, Singapore
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Salisbury AL, Papandonatos GD, Stroud LR, Smith AK, Brennan PA. Prenatal antidepressant exposures and gastrointestinal complaints in childhood: A gut-brain axis connection? Dev Psychobiol 2020; 62:816-828. [PMID: 32167584 PMCID: PMC7709733 DOI: 10.1002/dev.21966] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 12/27/2019] [Accepted: 02/13/2020] [Indexed: 01/16/2023]
Abstract
Selective serotonin/norepinephrine reuptake inhibitors (collectively, SRIs) are the most commonly prescribed antidepressant agents for the treatment of depression in pregnancy. SRIs affect maternal and placental serotonin signaling, which might impact fetal brain development. Alterations in serotonin signaling might also impact the developing gut-brain axis (GBA) via alterations in the fetal enteric nervous system (ENS). Emerging evidence suggests that gestational SRI exposure may be associated with offspring gastrointestinal problems. However, prospective human studies of the effects of fetal SRI exposure on the ENS and function are absent in the literature. In this paper we present data demonstrating significant associations between prenatal SRI exposure and children's gastrointestinal (GI) problems in two well-characterized, prospective cohorts of preschool and later childhood individuals. The results support the hypothesis that prenatal SRI exposure can increase the risk for childhood GI difficulties. Further research is warranted on the potential SRI-induced changes to the child gut including the role of the microbiome and the GBA in the development of GI problems.
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Affiliation(s)
- Amy L. Salisbury
- Brown Center for the Study of Children at Risk, Women and Infants Hospital of Rhode Island, Providence, RI, USA
- Department of Pediatrics, Warren Alpert Medical School, Brown University, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, RI, USA
| | | | - Laura R. Stroud
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, RI, USA
| | - Alicia K. Smith
- Department of Gynecology and Obstetrics, Dept of Psychiatry and Behavioral Sciences, Emory University, Atlanta, GA 30322
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