[Perioperative stroke after aortic valve replacement for aortic stenosis - incidence, risk factors and short-term outcome].

Introduction: One of the most serious complications of surgical aortic valve replacement (SAVR) is stroke that can result in increased rates of complications, morbidity and mortality postoperatively. The aim of this study was to investigate incidence, risk factors and short-term outcome in a well defined cohort of SAVR-patients.

Materials And Method: A retrospective study on 740 consecutive aortic stenosis patients who underwent SAVR in Iceland 2002-2019.

[Incidence and outcomes of perioperative myocardial infarction associated with coronary artery bypass surgery].

Introduction: Perioperative myocardial infarction (PMI) after CABG can contribute to in-hospital morbidity and mortality, however, its clinical significance on long-term outcome, remains inadequately addressed. We studied both 30-day mortality and long-term effects of PMI in Icelandic CABG-patients.

Materials And Methods: A retrospective nationwide-study on 1446 consecutive CABG-patients operated at Landspitali in Iceland 2002-2018 without evidence of preoperative myocardial infarction.

[The effect of obesity on the outcome of surgical aortic valve replacement for aortic stenosis].

Introduction: Our objective was to investigate the effect of obesity on short-term complications and long-term survival after surgical aortic valve replacement (SAVR) for aortic stenosis (AS).

Material And Methods: A retrospective study on 748 patients who underwent SAVR for AS in Iceland 2003-2020. Patients were divided into groups based on body mass index (BMI): normal (18.

Prevalence of Childhood Maltreatment and Posttraumatic Stress Symptoms Among Male Inmates in Iceland.

Introduction: Childhood maltreatment is highly correlated with adult criminal behavior, and the prevalence of childhood maltreatment within prison populations is high. Furthermore, studies have repeatedly shown a higher prevalence of posttraumatic stress disorder (PTSD) symptoms in samples of prisoners compared with the general public.

Purpose And Methodology: The aims of the current study were to determine the frequency of childhood maltreatment among male inmates in Iceland and the percentage of male inmates meeting screening criteria for PTSD.

[Incidence and predictors of prolonged intensive care unit stay after coronary artery bypass in Iceland].

Introduction: To maximize the use of intensive care unit (ICU) re--sources, it is important to estimate the prevalence and risk factors for prolonged ICU unit stay after coronary artery bypass grafting (CABG) surgery.

Material And Methods: This retrospective cohort study included all patients who underwent primary isolated CABG at Landspitali between 2001 and 2018. Patient information was collected from hospital charts and death registries.

[The use of Intra Aortic Balloon Pump in Coronary Artery Bypass Graft Surgery].

Introduction: Intra-aortic balloon pump (IABP) is a mechanical device that increases cardiac output by increasing diastolic blood flow to the coronary arteries and lowers the afterload of the left ventricle in systole. IABP is primarily used in acute heart failure, that includes patients that have to undergo coronary artery bypass grafting (CABG). Its usage, however, in cardiac surgery has been declining with ongoing controversy regarding its benefits.

Self-rated health and socio-economic status among older adults in Northern Iceland.

Little is known about self-rated health (SRH) of older people living in more remote and Arctic areas. Iceland is a high-income country with one of the lowest rates of income inequality in the world, which may influence SRH. The research aim was to study factors affecting SRH, in such a population living in Northern Iceland.

Ancient genomes from Iceland reveal the making of a human population.

Opportunities to directly study the founding of a human population and its subsequent evolutionary history are rare. Using genome sequence data from 27 ancient Icelanders, we demonstrate that they are a combination of Norse, Gaelic, and admixed individuals. We further show that these ancient Icelanders are markedly more similar to their source populations in Scandinavia and the British-Irish Isles than to contemporary Icelanders, who have been shaped by 1100 years of extensive genetic drift.

Risk of neurological, eye and ear disease in offspring to parents with schizophrenia or depression compared with offspring to healthy parents.

Background: Neurological, visual and hearing deviations have been observed in the offspring of parents with schizophrenia. This study test whether children to parents hospitalized with schizophrenia have increased the likelihood of childhood neurological disorder.

Methods: Among all parents in Sweden born 1950-1985 and with offspring born 1968-2002: 7107 children with a parent hospitalized for schizophrenia were compared to 172 982 children with no parents hospitalized for schizophrenia or major depression, as well as to 32 494 children with a parent hospitalized for major depression as a control population with another severe psychiatric outcome.

Reconstructing an African haploid genome from the 18th century.

A genome is a mosaic of chromosome fragments from ancestors who existed some arbitrary number of generations earlier. Here, we reconstruct the genome of Hans Jonatan (HJ), born in the Caribbean in 1784 to an enslaved African mother and European father. HJ migrated to Iceland in 1802, married and had two children.

The Y-chromosome point mutation rate in humans.

Mutations are the fundamental source of biological variation, and their rate is a crucial parameter for evolutionary and medical studies. Here we used whole-genome sequence data from 753 Icelandic males, grouped into 274 patrilines, to estimate the point mutation rate for 21.3 Mb of male-specific Y chromosome (MSY) sequence, on the basis of 1,365 meioses (47,123 years).

Complete mtDNA genomes of Filipino ethnolinguistic groups: a melting pot of recent and ancient lineages in the Asia-Pacific region.

The Philippines is a strategic point in the Asia-Pacific region for the study of human diversity, history and origins, as it is a cross-road for human migrations and consequently exhibits enormous ethnolinguistic diversity. Following on a previous in-depth study of Y-chromosome variation, here we provide new insights into the maternal genetic history of Filipino ethnolinguistic groups by surveying complete mitochondrial DNA (mtDNA) genomes from a total of 14 groups (11 groups in this study and 3 groups previously published) including previously published mtDNA hypervariable segment (HVS) data from Filipino regional center groups. Comparison of HVS data indicate genetic differences between ethnolinguistic and regional center groups.

Socioeconomic status and differences in medication use among older people according to ATC categories and urban-rural residency.

Aims: To study how selected indicators of socioeconomic status and urban-rural residency associate with medication use in form of number of daily medications, polypharmacy, and medication use according to Anatomic Therapeutic Classification (ATC) system.

Methods: Cross-sectional, population-based study among older community-dwelling Icelanders. Criteria for participation were: age ≥65 years, community-dwelling, and able to communicate verbally and to set up a time for a face-to-face interview.

Suppressing disgust related thoughts and performance on a subsequent behavioural avoidance task: implications for OCD.

We tested whether suppressing disgust related thoughts, compared with no suppression, differentially affected target thought frequency and emotional responses, and whether this was related to participants' cognitive inhibition abilities. We also tested whether different control instructions during a thought control task would affect performance on a subsequent behavioural avoidance task involving disgust related stimuli. Sixty university students, pre-selected on their level of disgust propensity/sensitivity, were instructed to either suppress or not to suppress all target-related thoughts following viewing of a disgust-related film fragment.

Genome-wide data substantiate Holocene gene flow from India to Australia.

The Australian continent holds some of the earliest archaeological evidence for the expansion of modern humans out of Africa, with initial occupation at least 40,000 y ago. It is commonly assumed that Australia remained largely isolated following initial colonization, but the genetic history of Australians has not been explored in detail to address this issue. Here, we analyze large-scale genotyping data from aboriginal Australians, New Guineans, island Southeast Asians and Indians.

[Medication use among community-dwelling older Icelanders. Population-based study in urban and rural areas].

Objective: To describe medication use among older community-dwelling Icelanders by collecting information on number of medicine, polypharmacy (>5 medications), and medications by ATC categories. Moreover, to explore the relationship between medication use and various influential factors emphasizing residency in urban and rural areas.

Material And Methods: Population-based, cross-sectional study.

Determinants of self-rated health in old age: a population-based, cross-sectional study using the International Classification of Functioning.

Background: Self-rated health (SRH) is a widely used indicator of general health and multiple studies have supported the predictive validity of SRH in older populations concerning future health, functional decline, disability, and mortality. The aim of this study was to use the theoretical framework of the International Classification of Functioning, Disability and Health (ICF) to create a better understanding of factors associated with SRH among community-dwelling older people in urban and rural areas.

Methods: The study design was population-based and cross-sectional.

Participation frequency and perceived participation restrictions at older age: applying the International Classification of Functioning, Disability and Health (ICF) framework.

Purpose: To identify variables from different components of International Classification of Functioning, Disability and Health (ICF) associated with older people's participation frequency and perceived participation restrictions.

Method: Participants (N = 186) were community-living, 65-88 years old and 52% men. The dependent variables, participation frequency (linear regression) and perceived participation restrictions (logistic regression), were measured using The Late-Life Function and Disability Instrument.

Larger mitochondrial DNA than Y-chromosome differences between matrilocal and patrilocal groups from Sumatra.

Genetic differences between human populations are typically larger for the Y-chromosome than for mitochondrial DNA (mtDNA), which has been attributed to the ubiquity of patrilocality across human cultures. However, this claim has been disputed, and previous analyses of matrilocal groups give conflicting results. Here we analyse mtDNA variation (complete mtDNA genome sequences via next-generation sequencing) and non-recombining regions of the Y-chromosome variation (Y-single-nucleotide-polymorphisms and Y-short-tandem-repeats (STR)) in a matrilocal group (the Semende) and a patrilocal group (the Besemah) from Sumatra.

High-throughput sequencing of complete human mtDNA genomes from the Philippines.

Because of the time and cost associated with Sanger sequencing of complete human mtDNA genomes, practically all evolutionary studies have screened samples first to define haplogroups and then either selected a few samples from each haplogroup, or many samples from a particular haplogroup of interest, for complete mtDNA genome sequencing. Such biased sampling precludes many analyses of interest. Here, we used high-throughput sequencing platforms to generate, rapidly and inexpensively, 109 complete mtDNA genome sequences from random samples of individuals from three Filipino groups, including one Negrito group, the Mamanwa.

Y-chromosomal variation in sub-Saharan Africa: insights into the history of Niger-Congo groups.

Technological and cultural innovations as well as climate changes are thought to have influenced the diffusion of major language phyla in sub-Saharan Africa. The most widespread and the richest in diversity is the Niger-Congo phylum, thought to have originated in West Africa ∼ 10,000 years ago (ya). The expansion of Bantu languages (a family within the Niger-Congo phylum) ∼ 5,000 ya represents a major event in the past demography of the continent.

Satisfaction with care in oncology outpatient clinics: psychometric characteristics of the Icelandic EORTC IN-PATSAT32 version.

Aim And Objectives: To assess the psychometric characteristics of the Icelandic European Organisation for Research and Treatment of Cancer IN-PATSAT32 (EORTC IN-PATSAT32) version and to compare satisfaction with care between gender and different age groups.

Background: The majority of patients with cancer receive either chemotherapy or radiotherapy on an outpatient basis. There is a need to evaluate satisfaction with care and service for these patients using reliable and valid instruments.

The Y-chromosome landscape of the Philippines: extensive heterogeneity and varying genetic affinities of Negrito and non-Negrito groups.

The Philippines exhibits a rich diversity of people, languages, and culture, including so-called 'Negrito' groups that have for long fascinated anthropologists, yet little is known about their genetic diversity. We report here, a survey of Y-chromosome variation in 390 individuals from 16 Filipino ethnolinguistic groups, including six Negrito groups, from across the archipelago. We find extreme diversity in the Y-chromosome lineages of Filipino groups with heterogeneity seen in both Negrito and non-Negrito groups, which does not support a simple dichotomy of Filipino groups as Negrito vs non-Negrito.

Application of Rasch analysis to examine psychometric aspects of the activities-specific balance confidence scale when used in a new cultural context.

Unlabelled: Arnadottir SA, Lundin-Olsson L, Gunnarsdottir ED, Fisher AG. Application of Rasch analysis to examine psychometric aspects of the Activities-Specific Balance Confidence Scale when used in a new cultural context.

Objective: To investigate by using Rasch analysis the psychometric properties of the Activities-Specific Balance Confidence (ABC) Scale when applied in a new Icelandic context.

Are rural older Icelanders less physically active than those living in urban areas? A population-based study.

Background: Older people in rural areas have been labelled as physically inactive on the basis of leisure-time physical activity research. However, more research is needed to understand the total physical activity pattern in older adults, considering all domains of physical activity, including leisure, work, and domestic life.

Aims: We hypothesised that: (a) total physical activity would be the same for older people in urban and rural areas; and (b) urban and rural residency, along with gender and age, would be associated with differences in domain-specific physical activities.