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Larsen, R., Bäckström, D., Fredrikson, M., Steinvall, I., Gedeborg, R. & Sjöberg, F. (2018). Decreased risk adjusted 30-day mortality for hospital admitted injuries: a multi-centre longitudinal study. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 26(1), Article ID 24.
Open this publication in new window or tab >>Decreased risk adjusted 30-day mortality for hospital admitted injuries: a multi-centre longitudinal study
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2018 (English)In: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, ISSN 1757-7241, E-ISSN 1757-7241, Vol. 26, no 1, article id 24Article in journal (Refereed) Published
Abstract [en]

Background: The interpretation of changes in injury-related mortality over time requires an understanding of changes in the incidence of the various types of injury, and adjustment for their severity. Our aim was to investigate changes over time in incidence of hospital admission for injuries caused by falls, traffic incidents, or assaults, and to assess the risk-adjusted short-term mortality for these patients.less thanbr /greater thanMethods: All patients admitted to hospital with injuries caused by falls, traffic incidents, or assaults during the years 2001-11 in Sweden were identified from the nationwide population-based Patient Registry. The trend in mortality over time for each cause of injury was adjusted for age, sex, comorbidity and severity of injury as classified from the International Classification of diseases, version 10 Injury Severity Score (ICISS).less thanbr /greater thanResults: Both the incidence of fall (689 to 636/100000 inhabitants: p = 0.047, coefficient - 4.71) and traffic related injuries (169 to 123/100000 inhabitants: p less than 0.0001, coefficient - 5.37) decreased over time while incidence of assault related injuries remained essentially unchanged during the study period. There was an overall decrease in risk-adjusted 30-day mortality in all three groups (OR 1.00; CI95% 0.99-1.00). Decreases in traffic (OR 0.95; 95% CI 0.93 to 0.97) and assault (OR 0.93; 95% CI 0.87 to 0.99) related injuries was significant whereas falls were not during this 11-year period.less thanbr /greater thanDiscussion: Risk-adjustment is a good way to use big materials to find epidemiological changes. However after adjusting for age, year, sex and risk we find that a possible factor is left in the pre- and/or in-hospital care.less thanbr /greater thanConclusions: The decrease in risk-adjusted mortality may suggest changes over time in pre- and/or in-hospital care. A non-significantdecrease in risk-adjusted mortality was registered for falls, which may indicate that low-energy trauma has not benefited for the increased survivability as much as high-energy trauma, ie traffic- and assault related injuries.

National Category
Surgery
Identifiers
urn:nbn:se:liu:diva-146965 (URN)10.1186/s13049-018-0485-2 (DOI)000429285700002 ()29615089 (PubMedID)
Available from: 2018-04-09 Created: 2018-04-09 Last updated: 2018-04-26
Bäckström, D., Steinvall, I. & Sjöberg, F. (2017). Change in child mortality patterns after injuries in Sweden: a nationwide 14-year study.. European Journal of Trauma and Emergency Surgery, 43(3), 343-349
Open this publication in new window or tab >>Change in child mortality patterns after injuries in Sweden: a nationwide 14-year study.
2017 (English)In: European Journal of Trauma and Emergency Surgery, ISSN 1863-9933, E-ISSN 1863-9941, Vol. 43, no 3, p. 343-349Article in journal (Refereed) Published
Abstract [en]

INTRODUCTION: Sweden has one of the world's lowest child injury mortality rates, but injuries are still the leading cause of death among children. Child injury mortality in the country has been declining, but this decline seems to decrease recently. Our objective was therefore to further examine changes in the mortality of children's death from injury over time and to assess the contribution of various effects on mortality. The underlying hypothesis for this investigation is that the incidence of lethal injuries in children, still is decreasing and that this may be sex specific.

PATIENTS AND METHODS: We studied all deaths from injury in Sweden under-18-year-olds during the 14 years 1999-2012. We identified those aged under 18 whose underlying cause of death was recorded as International Classification of Diseases, 10th Revision (ICD-10) diagnosis from V01 to X39 in the Swedish cause of death, where all dead citizens are registered.

RESULTS: From the 1 January 1999 to 31 December 2012, 1213 children under the age of 18 died of injuries in Sweden. The incidence declined during this period (r = -0.606, p = 0.02) to 3.3 deaths/100,000 children-years (95 % CI 2.6-4.2). Death from unintentional injury was more common than that after intentional injury (p < 0.0001). There was a reduction in the incidence of unintentional injuries during the study period (r = -0.757, p = 0.03). The most common causes of death were injury to the brain (n = 337, 41 %), followed by drowning (n = 109, 13 %). The number of deaths after intentional injury increased (r = 0.585, p = 0.03) and at the end of the period was 1.5 deaths/100,000 children-years. The most common causes of death after intentional injuries were asphyxia (n = 177, 45 %), followed by injury to the brain (n = 76, 19 %).

DISCUSSION: Mortality patterns in injured children in Sweden have changed from being dominated by unintentional injuries to a more equal distribution between unintentional and intentional injuries as well as between sexes and the overall rate has declined further. These findings are important as they might contribute to the preventive work that is being done to further reduce mortality in injured children.

Place, publisher, year, edition, pages
Springer, 2017
Keywords
Children, Injury, Mortality, Scandinavia, Trauma
National Category
Other Clinical Medicine
Identifiers
urn:nbn:se:liu:diva-135548 (URN)10.1007/s00068-016-0660-y (DOI)000402789500010 ()27084542 (PubMedID)
Note

Funding agencies: Swedish Carnegie Hero Fund

Available from: 2017-03-16 Created: 2017-03-16 Last updated: 2017-11-02Bibliographically approved
Bäckström, D., Larsen, R., Steinvall, I., Fredrikson, M., Gedeborg, R. & Sjöberg, F. (2017). Deaths caused by injury among people of working age (18-64) are decreasing, while those among older people (64+) are increasing. European Journal of Trauma and Emergency Surgery
Open this publication in new window or tab >>Deaths caused by injury among people of working age (18-64) are decreasing, while those among older people (64+) are increasing
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2017 (English)In: European Journal of Trauma and Emergency Surgery, ISSN 1863-9933, E-ISSN 1863-9941Article in journal (Refereed) Epub ahead of print
Abstract [en]

BACKGROUND: Injury is an important cause of death in all age groups worldwide, and contributes to many losses of human and economic resources. Currently, we know a few data about mortality from injury, particularly among the working population. The aim of the present study was to examine death from injury over a period of 14 years (1999-2012) using the Swedish Cause of Death Registry (CDR) and the National Patient Registry, which have complete national coverage.

METHOD: CDR was used to identify injury-related deaths among adults (18 years or over) during the years 1999-2012. ICD-10 diagnoses from V01 to X39 were included. The significance of changes over time was analyzed by linear regression.

RESULTS: The incidence of prehospital death decreased significantly (coefficient -0.22, r (2) = 0.30; p = 0.041) during the study period, while that of deaths in hospital increased significantly (coefficient 0.20, r (2) = 0.75; p < 0.001). Mortality/100,000 person-years in the working age group (18-64 years) decreased significantly (coefficient -0.40, r (2) = 0.37; p = 0.020), mainly as a result of decrease in traffic-related deaths (coefficient -0.34, r (2) = 0.85; p < 0.001). The incidence of deaths from injury among elderly (65 years and older) patients increased because of the increase in falls (coefficient 1.71, r (2) = 0.84; p < 0.001) and poisoning (coefficient 0.13, r (2) = 0.69; p < 0.001).

CONCLUSION: The epidemiology of injury in Sweden has changed during recent years in that mortality from injury has declined in the working age group and increased among those people 64 years old and over.

Place, publisher, year, edition, pages
Springer, 2017
Keywords
Elderly, Injury, Mortality, Prehospital, Trauma, Working age
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
urn:nbn:se:liu:diva-142763 (URN)10.1007/s00068-017-0827-1 (DOI)28825159 (PubMedID)2-s2.0-85027836250 (Scopus ID)
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2018-05-03Bibliographically approved
Bäckström, D. (2017). Injury mortality in Sweden; changes over time and the effect of age and injury mechanism. (Doctoral dissertation). Linköping: Linköping University Electronic Press
Open this publication in new window or tab >>Injury mortality in Sweden; changes over time and the effect of age and injury mechanism
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Background: Injuries are one of the most common causes of death in the world. Varying types of injuries dominate in different parts of the world, which also have separate influences mortality. In Scandinavia blunt injuries dominates and the majority of those who die do so pre hospital. Over time different injury pattern may vary and by analyzing this we can assess when, where and how preventive work can be reinforced. The aim of this thesis was to study injury epidemiology in Sweden and assess the contribution of different injury patters on mortality.

Method: We used the Swedish cause of death and the national patient registries which have a complete national coverage. ICISS was calculated (based on ICD-10) in the in hospital population. We have chosen to do this investigation with a broad perspective using the term injury, which includes trauma but also other diagnoses like suffocation and drowning.

Results: During the study period (1999-2012) the number of deaths because of injury was 1213, 25 388, and 18 332 among children, working age and elderly, respectively. Mortality declined in the children and in the working age but inclined in the elderly. Mortality increased with each age group except between the ages of 15–25 and 26–35 years. One thousand two hundred sixty four (97%) of those who died because of penetrating trauma (sharp objects and firearms) were killed by intentional trauma (assault and intentional self-harm). One thousand and seventeen (83%) of the children died prehospital. In the working age 22 211 (80%) of 25 388 died pre hospital. Nine thousand six hundred and eighteen (53%) of 18 332 of the elderly died prehospital. During 2001- 2011 the risk adjusted in hospital mortality decreased in traffic and assault but not in fall related injuries.

Discussion: Largely, the anticipated injury mortality picture was found, with blunt injuries (traffic accidents) dominating in the working age and falls in elderly. Further a significant portion of the deaths occurred pre hospital. The intentional injuries are dominated by intentional selfharm. The decrease in child injury mortality is notable as Sweden already has one of the lowest incidences in child injury mortality in the world. The decrease in injury mortality in the working age also implies that preventive work has had an effect. The incline in injury mortality in elderly on the other hand needs to be further studied. Areas of particular importance for future preventive work is the incline in injury mortality in elderly and intentional injuries among children. 

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2017. p. 49
Series
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1602
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
urn:nbn:se:liu:diva-142762 (URN)10.3384/diss.diva-142762 (DOI)9789176854112 (ISBN)
Public defence
2017-12-01, Runstenen, Vrinnevisjukhuset, Norrköping, 13:00
Opponent
Supervisors
Available from: 2017-11-15 Created: 2017-11-02 Last updated: 2017-11-15Bibliographically approved
Sjöberg, F., Steinvall, I. & Bäckström, D. (2010). Könsperspektiv på traumatologin - män skadar sig oftare och blir sjukare av ett fysiskt trauma (1ed.). In: Barbro Wijma, Goldina Smirthwaite och Katarina Swahnberg (Ed.), Genus och kön inom medicin- och vårdutbildningar: (pp. 416-426). Lund: Studentlitteratur
Open this publication in new window or tab >>Könsperspektiv på traumatologin - män skadar sig oftare och blir sjukare av ett fysiskt trauma
2010 (Swedish)In: Genus och kön inom medicin- och vårdutbildningar / [ed] Barbro Wijma, Goldina Smirthwaite och Katarina Swahnberg, Lund: Studentlitteratur , 2010, 1, p. 416-426Chapter in book (Other academic)
Abstract [sv]

Kvinnor och män är delvis lika, delvis olika. Det innebär att kvinnor och män både har behov av likadan behandling och av behandling som är anpassad till det egna könets förutsättningar. Denna antologi belyser kvinnors och mäns förutsättningar och behov inom en rad olika medicinska områden och tar upp både biologiska och sociala faktorer som påverkar hälsa och behandling. Den behandlar även den roll som kön spelar inom vårdens arbetsliv samt hur köns- och genusperspektiv kan integreras inom olika typer av medicin- och vårdutbildningar. Ett av bokens teman är våld, kränkningar och diskriminering, och inom ramen för detta behandlas några av de olika maktordningar som kommer till uttryck vid behandlingar inom hälso- och sjukvården. Antologin har en stor spännvidd när det gäller ämnen och författare. Förhoppningsvis ska den bredd som antologin uppvisar, leda fram till frågeställningar där läsaren utmanar sina förgivettaganden inom både genusvetenskap och mer traditionell medicin samt väcka nya frågor: Om könet snarare ses som en konstruktion än en fysisk realitet - kan då kvinnor lika gärna äta mediciner som är utprovade på män och opereras med metoder och verktyg anpassade till mäns fysiologi? Å andra sidan - hur objektiv är den naturvetenskapligt inriktade medicinska forskningen egentligen om man börjar granska den utifrån frågeställningar om perspektivval och genus? Antologin vänder sig till lärare på utbildningar inom medicin, hälsa och vård. Andra målgrupper är studenter på sådana utbildningar, vårdpersonal och en intresserad allmänhet.

Place, publisher, year, edition, pages
Lund: Studentlitteratur, 2010 Edition: 1
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-64298 (URN)978-91-4405-950-1 (ISBN)91-4405-950-7 (ISBN)
Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2017-11-02Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-4075-4600

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