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Browsing by Author "Valdimarsdottir, Unnur"

Browsing by Author "Valdimarsdottir, Unnur"

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  • Hu, Kejia; Sjölander, Arvid; Lu, Donghao; Walker, Adam K.; Sloan, Erica K.; Fall, Katja; Valdimarsdottir, Unnur; Hall, Per; Smedby, Karin E.; Fang, Fang (Springer Science and Business Media LLC, 2020-09-09)
    Background: Cancer patients have a highly increased risk of psychiatric disorders following diagnosis, compared with cancer-free individuals. Inflammation is involved in the development of both cancer and psychiatric disorders. The role of non-steroidal ...
  • Udumyan, Ruzan; Montgomery, Scott; Duberg, Ann-Sofi; Fang, Fang; Valdimarsdottir, Unnur; Ekbom, Anders; Smedby, Karin E.; Fall, Katja (Informa UK Limited, 2020-05-03)
    Background: β-adrenergic signaling has been implicated in the pathology of hepatocellular carcinoma (HCC), but the evidence from clinical studies is limited. In this national population-based cohort study, we investigated the possible association of ...
  • Wang, Junren; Zhu, Jianwei; Yang, Huazhen; Hu, Yao; Sun, Yajing; Ying, Zhiye; Qu, Yuanyuan; Valdimarsdottir, Unnur; Fang, Fang; Song, Huan (2021-06-04)
    Objective To assess the impact of the COVID-19 outbreak on cardiovascular disease (CVD) related mortality and hospitalisation. Design Community-based prospective cohort study. Setting The UK Biobank. Participants 421 372 UK Biobank participants who ...
  • Haraldsdottir, Alfheidur; Torfadottir, Johanna; Valdimarsdottir, Unnur; Adami, Hans-Olov; Aspelund, Thor; Tryggvadottir, Laufey; Þórðardóttir, Maríanna; Birgisdottir, Bryndis Eva; Harris, Tamara B.; Launer, Lenore J.; Gudnason, Vilmundur; Steingrimsdottir, Laufey (Public Library of Science (PLoS), 2018-05-30)
    Recent studies indicate that lifestyle factors in early life affect breast cancer risk. We therefore explored the association of high consumption of meat, milk, and whole grain products in adolescence and midlife, on breast cancer risk. We used data ...
  • Harðardóttir, Hrönn; Valdimarsdottir, Unnur; Gudbjartsson, Tomas; Sigvaldason, Andrés; Lund, Sigrún Helga; Aspelund, Thor; Hansdottir, Sif; Jónsson, Steinn (Læknafélag Íslands / Icelandic Medical Association, 2017-04-06)
    Inngangur: Markmið rannsóknarinnar var að lýsa einkennum, sjúkdómsmynd, meðferð og afdrifum sjúklinga sem hafa farið í kerfisbundið greiningarferli á Landspítala vegna gruns um lungnakrabbamein. Efniviður og aðferðir: Rannsóknin tekur til 550 sjúklinga ...
  • Saevarsdóttir, Karen Sól; Hilmarsdóttir, Hildur Ýr; Magnúsdóttir, Ingibjörg; Hauksdóttir, Arna; Thordardottir, Edda Bjork; Gudjónsdóttir, Ásdís Braga; Tomasson, Gunnar; Rúnarsdóttir, Harpa; Jónsdóttir, Harpa Lind; Gudmundsdóttir, Berglind; Pétursdóttir, Gudrún; Petersen, Pétur Henry; Kristinsson, Sigurdur Yngvi; Love, Thorvardur Jon; Hansdóttir, Sif; Hardardóttir, Hrönn; Gudmundsson, Gunnar; Eythorsson, Elias; Gudmundsdóttir, Dóra Gudrún; Sigbjörnsdóttir, Hildur; Haraldsdóttir, Sigrídur; Möller, Alma Dagbjört; Palsson, Runolfur; Jakobsdóttir, Jóhanna; Aspelund, Thor; Valdimarsdottir, Unnur (2021-07-23)
    Objective To test if patients recovering from COVID-19 are at increased risk of mental morbidities and to what extent such risk is exacerbated by illness severity. Design Population-based cross-sectional study. Setting Iceland. Participants A total of ...
  • Chen, Ruoqing; Fall, Katja; Czene, Kamila; Kennedy, Beatrice; Valdimarsdottir, Unnur; Fang, Fang (Dove Medical Press Ltd., 2018-05)
    Background: A parental cancer diagnosis is a stressful life event, potentially leading to increased risks of mental and physical problems among children. This study aimed to investigate the associations of parental cancer with IQ, stress resilience, ...
  • Warselius, Pauline; Cnattingius, Sven; Li, Jiong; Wei, Dang; Valdimarsdottir, Unnur; Kosidou, Kyriaki; Reutfors, Johan; Olsen, Jørn; Vestergaard, Mogens; Obel, Carsten; Lászlo, Krisztina D. (Informa UK Limited, 2019-04)
    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 ...
  • Zhu, Jianwei; Sjölander, Arvid; Fall, Katja; Valdimarsdottir, Unnur; Fang, Fang (Springer Nature, 2018-03-27)
    Background Whether the emotional distress around cancer diagnosis is associated with the long-term outcomes and care utilization is unknown. We aimed to examine the association of mental disorders around cancer diagnosis with the hospital admission ...
  • Deng, Lei; Harðardóttir, Hrönn; Song, Huan; Xiao, Zhengrui; Jiang, Changchuan; Wang, Qian; Valdimarsdottir, Unnur; Cheng, Haiying; Loo, Billy W.; Lu, Donghao (Wiley, 2019-04-16)
    Lung cancer as a second primary malignancy (lung-2) is increasingly common, but its prognosis is poorly understood. This study aims to examine the overall and cancer-specific survival of patients diagnosed with lung-2 compared to lung-1. Primary lung ...
  • Valdimarsdottir, Unnur; Lu, Donghao; Lund, Sigrún Helga; Fall, Katja; Fang, Fang; Kristjánsson, Þórður; Gudbjartsson, Daniel; Helgason, Agnar; Stefansson, Kari (eLife Sciences Publications, Ltd, 2019-11-12)
    While the rare occurrence of child loss is accompanied by reduced life expectancy of parents in contemporary affluent populations, its impact in developing societies with high child mortality rates is unclear. We identified all parents in Iceland born ...
  • Shen, Qing; Jöud, Anna; Schelin, Maria E. C.; Sjölander, Arvid; Cao, Yang; Sparén, Pär; Fall, Katja; Czene, Kamila; Valdimarsdottir, Unnur; Fang, Fang (Springer Science and Business Media LLC, 2019-12-10)
    Background: An increasing number of women are evaluated for potential breast cancer and may experience mental distress during evaluation. We aim to assess the risks of psychiatric disorders and cardiovascular diseases during the diagnostic workup of ...
  • Xie, Yuxin; Valdimarsdottir, Unnur; Wang, Chengshi; Zhong, XiaoRong; Gou, Qiheng; Zheng, Hong; Deng, Ling; He, Ping; Hu, Kejia; Fall, Katja; Fang, Fang; Tamimi, Rulla M.; Luo, Ting; Lu, Donghao (Wiley, 2020-07-14)
    Little is known about how health insurance policies, particularly in developing countries, influence breast cancer prognosis. Here, we examined the association between individual health insurance and breast cancer-specific mortality in China. We included ...
  • Song, Huan; Larsson, Henrik; Fang, Fang; Almqvist, Catarina; Pedersen, Nancy L; Magnusson, Patrik KE; Valdimarsdottir, Unnur (eLife Sciences Publications, Ltd, 2020-07-14)
    Losing a co-twin by death is a severely stressful event yet with unknown impact on the surviving twin’s risk of psychiatric disorders. We identified all Swedish-born twins who lost a cotwin by death between 1973 and 2013 (n = 4,528), their 4939 non-twin ...
  • Lu, Donghao; Song, Jie; Lu, Yi; Fall, Katja; Chen, Xu; Fang, Fang; Landén, Mikael; Hultman, Christina M.; Czene, Kamila; Sullivan, Patrick; Tamimi, Rulla M.; Valdimarsdottir, Unnur (Springer Science and Business Media LLC, 2020-09-15)
    An association between schizophrenia and subsequent breast cancer has been suggested; however the risk of schizophrenia following a breast cancer is unknown. Moreover, the driving forces of the link are largely unclear. Here, we report the phenotypic ...
  • Þórðardóttir, Edda Björk; Valdimarsdottir, Unnur; Hansdóttir, Ingunn; Hauksdóttir, Arna; Dyregrov, Atle; Shipherd, Jillian C.; Elklit, Ask; Resnick, Heidi; Guðmundsdóttir, Berglind (Informa UK Limited, 2016-08-16)
    Background Every year a substantial number of children are affected by natural disasters worldwide. However, data are scarce on long-term psychological impact of natural disasters on children's health. Identifying risk factors and outcomes associated ...
  • Song, Huan; Fang, Fang; Arnberg, Filip; Mataix-Cols, David; Fernández de la Cruz, Lorena; Almqvist, Catarina; Fall, Katja; Lichtenstein, Paul; Thorgeirsson, Gudmundur; Valdimarsdottir, Unnur (BMJ, 2019-04-10)
    Objective To assess the association between stress related disorders and subsequent risk of cardiovascular disease. Design Population based, sibling controlled cohort study. Setting Population of Sweden. Participants 136 637 patients in the Swedish ...
  • Song, Huan; Fall, Katja; Fang, Fang; Erlendsdóttir, Helga; Lu, Donghao; Mataix-Cols, David; Fernández de la Cruz, Lorena; D’Onofrio, Brian M.; Lichtenstein, Paul; Gottfredsson, Magnus; Almqvist, Catarina; Valdimarsdottir, Unnur (BMJ, 2019-10-23)
    Objective: To assess whether severe psychiatric reactions to trauma and other adversities are associated with subsequent risk of life threatening infections. Design: Population and sibling matched cohort study. Setting: Swedish population. Participants: ...
  • Thorarinsdottir, Kristjana; Holmes, Emily A.; Hardarson, Johann; Stephenssen, Elin S.; Jonasdottir, Marianna H.; Kanstrup, Marie; Singh, Laura; Hauksdottir, Arna; Halldorsdottir, Thorhildur; Gudmundsdottir, Berglind; Thordardottir, Edda; Valdimarsdottir, Unnur; Bjornsson, Andri (2022-07-20)
    Background: Novel interventions should be developed for people who have undergone psychological trauma. In a previous case study, we found that the number of intrusive memories of trauma could be reduced with a novel intervention. The intervention ...
  • Song, Huan; Fang, Fang; Valdimarsdottir, Unnur; Lu, Donghao; Andersson, Therese M.-L.; Hultman, Christina; Ye, Weimin; Lundell, Lars; Johansson, Jan; Nilsson, Magnus; Lindblad, Mats (Springer Nature, 2017-01-03)
    Background Except for overall survival, whether or not waiting time for treatment could influences other domains of cancer patients’ overall well-being is to a large extent unknown. Therefore, we performed this study to determine the effect of waiting ...