7 results on '"László, Krisztina D."'
Search Results
2. Death of a child and the risk of heart failure: a population-based cohort study from Denmark and Sweden.
- Author
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Dang Wei, Jiong Li, Janszky, Imre, Hua Chen, Fang Fang, Ljung, Rickard, and László, Krisztina D.
- Subjects
CONFIDENCE intervals ,RISK assessment ,DEATH ,SOCIODEMOGRAPHIC factors ,HEART failure ,PSYCHOLOGICAL stress ,PARENTS ,BEREAVEMENT ,POISSON distribution ,CHILDREN - Abstract
Aims We aimed to investigate whether the death of a child, one of the most severe stressors, is associated with the risk of heart failure (HF). Methods and results We conducted a population-based cohort study involving parents of live-born children recorded in the Danish and Swedish Medical Birth Registers during 1973-2016 and 1973-2014, respectively (n = 6717 349). We retrieved information on child death, HF diagnosis and sociodemographic characteristics of the parents from several nationwide registries. We performed Poisson regression models to estimate incidence rate ratios (IRR) and 95% confidence intervals (CI) for HF in relation to bereavement. A total of 129 829 (1.9%) parents lost at least one child during the follow-up. Bereaved parents had a 35% higher risk of HF than the non-bereaved (IRR 1.35, 95% CI 1.29-1.41; p<0.001). The increased HF risk was observed not only when the child died due to cardiovascular or other natural causes, but also when the loss was due to unnatural causes. The association tended to be U-shaped when we categorized the exposed parents by the number of remaining live children at loss or by the age of the deceased child. Conclusion We found that the death of a child was associated with an increased risk of HF. The finding that not only cardiovascular and other natural deaths, but also unnatural deaths were associated with HF suggests that stress-related mechanisms may contribute to the development of HF. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
3. Death of a child and the risk of heart failure: a population‐based cohort study from Denmark and Sweden.
- Author
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Wei, Dang, Li, Jiong, Janszky, Imre, Chen, Hua, Fang, Fang, Ljung, Rickard, and László, Krisztina D.
- Subjects
CHILD death ,HEART failure ,COHORT analysis ,POISSON regression ,VITAL records (Births, deaths, etc.) ,BEREAVEMENT - Abstract
Aims: We aimed to investigate whether the death of a child, one of the most severe stressors, is associated with the risk of heart failure (HF). Methods and results: We conducted a population‐based cohort study involving parents of live‐born children recorded in the Danish and Swedish Medical Birth Registers during 1973–2016 and 1973–2014, respectively (n = 6 717 349). We retrieved information on child death, HF diagnosis and sociodemographic characteristics of the parents from several nationwide registries. We performed Poisson regression models to estimate incidence rate ratios (IRR) and 95% confidence intervals (CI) for HF in relation to bereavement. A total of 129 829 (1.9%) parents lost at least one child during the follow‐up. Bereaved parents had a 35% higher risk of HF than the non‐bereaved (IRR 1.35, 95% CI 1.29–1.41; p < 0.001). The increased HF risk was observed not only when the child died due to cardiovascular or other natural causes, but also when the loss was due to unnatural causes. The association tended to be U‐shaped when we categorized the exposed parents by the number of remaining live children at loss or by the age of the deceased child. Conclusion: We found that the death of a child was associated with an increased risk of HF. The finding that not only cardiovascular and other natural deaths, but also unnatural deaths were associated with HF suggests that stress‐related mechanisms may contribute to the development of HF. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
4. The Risk of Gestational Diabetes Mellitus Following Bereavement:A Cohort Study from Denmark and Sweden
- Author
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László, Krisztina D, Olsen, Jørn, Li, Jiong, Persson, Martina, Vestergaard, Mogens, Svensson, Tobias, Obel, Carsten, and Cnattingius, Sven
- Subjects
stress ,cohort study ,bereavement ,gestational diabetes mellitus - Published
- 2015
5. Maternal bereavement shortly before or during pregnancy and risk of postpartum psychotic illness: a population-based study from Denmark and Sweden.
- Author
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Warselius, Pauline, Cnattingius, Sven, Jiong Li, Dang Wei, Valdimarsdottir, Unnur Anna, Kosidou, Kyriaki, Reutfors, Johan, Olsen, Jørn, Vestergaard, Mogens, Obel, Carsten, and László, Krisztina D.
- Subjects
PUERPERAL disorders ,BEREAVEMENT ,LIFE change events ,PREGNANCY ,ETIOLOGY of diseases ,CHILDBIRTH - Abstract
Purpose: Postpartum psychosis is a rare but severe complication following childbirth, with unknown etiology. This study investigated whether the death of a close family member -- a source of severe stress -- the year before or during pregnancy was associated with an increased risk of psychotic illness in the postpartum period among women without and with a history of psychiatric disorder. Methods: We studied live births in Denmark during 1978-2008 and births in Sweden during 1973-2006 (n=5,246,978). Information on death of women's relatives and partners and sociodemographic, health-, and pregnancy-related factors was obtained through linkage with nationwide registries. Results: The death of a close relative the year before or during pregnancy was not associated with psychotic illness during the first 90 days postpartum among women without (adjusted HR 1.02, 95% CI 0.76-1.37) or with a history of psychiatric disorder (HR 0.96, 95% CI 0.74-1.25). Similarly, there was no association between bereavement and risk of postpartum psychosis according to the timing of the loss (the year before or during pregnancy), the relative's cause of death (natural or unnatural), or the woman's relationship to the deceased (parent/sibling or partner/older child). Conclusions: Death of a close relative, one of the most severe sources of stress, before or during pregnancy was not associated with postpartum psychosis. Therefore, these data do not support the hypothesis that severely stressful life events, such as bereavement around the time of pregnancy, are associated with postpartum psychosis. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
6. The Risk of Gestational Diabetes Mellitus Following Bereavement: A Cohort Study from Denmark and Sweden.
- Author
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László, Krisztina D., Olsen, Jørn, Li, Jiong, Persson, Martina, Vestergaard, Mogens, Svensson, Tobias, Obel, Carsten, and Cnattingius, Sven
- Subjects
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GESTATIONAL diabetes , *BEREAVEMENT , *PSYCHOLOGICAL stress , *PREGNANCY complications , *COHORT analysis , *DISEASE risk factors - Abstract
Background We investigated whether bereavement of a close family member - a source of severe psychological stress exposure - the year before pregnancy is associated with gestational diabetes mellitus ( GDM). Methods We studied pregnant women with livebirths in Denmark during 1994-2008 and with births in Sweden during 1987-2006 ( n = 2 569 446). We obtained data on death of women's parents, siblings, and older children, and on demographic and health- and pregnancy-related factors through linkage between nationwide registers. Results In multivariable models, death of a close relative the year before pregnancy was associated with a 14% increased odds of GDM [95% confidence intervals ( CIs) 1.03, 1.26]. The odds ratios corresponding to the loss of a child, parent, and sibling were 1.51 (95% CI: 1.17, 1.95), 1.12 (95% CI: 1.00, 1.25), and 0.68 (95% CI: 0.40, 1.25), respectively. Deaths due to cardiovascular diseases or diabetes were more closely related to the risk of GDM than other types of deaths. We found no association between unnatural deaths and the risk of GDM. Conclusions Death of a close relative the year before pregnancy was associated with a modestly increased GDM risk. Our findings according to the relative's cause of death suggest that differences in screening for GDM among exposure groups and residual confounding by familial factors related to metabolic and cardiovascular diseases may have contributed to this association. If there is a causal stress effect on GDM in this predominantly Nordic population, it is most likely small. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
7. Maternal Bereavement During Pregnancy and the Risk of Stillbirth: A Nationwide Cohort Study in Sweden.
- Author
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László, Krisztina D., Svensson, Tobias, Li, Jiong, Obel, Carsten, Vestergaard, Mogens, Olsen, Jørn, and Cnattingius, Sven
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PERINATAL death , *BEREAVEMENT , *CONFIDENCE intervals , *STATISTICAL correlation , *REPORTING of diseases , *HEALTH status indicators , *LONGITUDINAL method , *EVALUATION of medical care , *MEDICAL record linkage , *PREGNANCY , *RESEARCH funding , *PHYSIOLOGICAL stress , *PSYCHOLOGICAL stress , *PROPORTIONAL hazards models , *RETROSPECTIVE studies , *DESCRIPTIVE statistics - Abstract
Increasing evidence suggests that maternal stress during pregnancy may influence pregnancy outcomes. In a nationwide Swedish study including almost 3 million births taking place during 1973–2006, we investigated whether maternal bereavement during pregnancy is associated with stillbirth risk. Through individual record linkage between several population-based registers, we obtained information on demographic, health-related, and pregnancy-related factors and deaths of mothers' first-degree relatives. There were 11,071 stillbirths (3.8 per 1,000 births) in the cohort. After adjustment for potential confounders, infants of mothers who had lost any first-degree relative the year before or during pregnancy had an 18% higher risk of stillbirth than unexposed offspring (95% confidence interval (CI): 1.06, 1.31). Corresponding hazard ratios were 1.67 (95% CI: 1.18, 2.36) for maternal loss of an older child, 2.06 (95% CI: 1.44, 2.94) for loss of a sibling, and 1.07 (95% CI: 0.95, 1.21) for loss of a parent. The relationship between maternal bereavement and stillbirth did not vary by time of death or by whether the relative's death was expected or unexpected. Death of a close relative is one of the most severe sources of stress, and future studies need to investigate whether less severe but more common stressors also increase stillbirth risk. [ABSTRACT FROM PUBLISHER]
- Published
- 2013
- Full Text
- View/download PDF
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