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Gender differences in management and outcome in non-ST-elevation acute coronary syndrome
Linköpings universitet, Institutionen för medicin och hälsa, Kardiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Kardiologiska kliniken.
Linköpings universitet, Institutionen för medicin och hälsa, Kardiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Kardiologiska kliniken.
Uppsala Clinical Research Center, Uppsala University, Sweden.
Linköpings universitet, Institutionen för medicin och hälsa, Kardiologi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Hjärtcentrum, Kardiologiska kliniken.ORCID-id: 0000-0002-2608-2062
2007 (engelsk)Inngår i: Heart, ISSN 1355-6037, E-ISSN 1468-201X, Vol. 93, nr 11, s. 1357-1362Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Objective: To study gender differences in management and outcome in patients with non-ST-elevation acute coronary syndrome. Design, setting and patients: Cohort study of 53 781 consecutive patients (37% women) from the Register of Information and Knowledge about Swedish Heart Intensive care Admissions (RIKS-HIA), with a diagnosis of either unstable angina pectoris or non-ST-elevation myocardial infarction. All patients were admitted to intensive coronary care units in Sweden, between 1998 and 2002, and followed for 1 year. Main outcome measures: Treatment intensity and in-hospital, 30-day and 1 -year mortality. Results: Women were older (73 vs 69 years, p<0.001) and more likely to have a history of hypertension and diabetes, but less likely to have a history of myocardial infarction or revascularisation. After adjustment, there were no major differences in acute pharmacological treatment or prophylactic medication at discharge. Revascularisation was, however, even after adjustment, performed more often in men (OR 1.15, 95% CI, 1.09 to 1.21). After adjustment, there was no significant difference in in-hospital (OR 1.03, 95% CI, 0.94 to 1.13) or 30-days (OR 1.07, 95% CI, 0.99 to 1.15) mortality, but at 1 year being male was associated with higher mortality (OR 1.12, 95% CI, 1.06 to 1.19). Conclusion: Although women are somewhat less intensively treated, especially regarding invasive procedures, after adjustment for differences in background characteristics, they have better long-term outcomes than men.

sted, utgiver, år, opplag, sider
BMJ Publishing group Ltd , 2007. Vol. 93, nr 11, s. 1357-1362
Emneord [en]
acute coronary syndrome, gender
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-47844DOI: 10.1136/hrt.2006.102012PubMedID: 17085528OAI: oai:DiVA.org:liu-47844DiVA, id: diva2:268740
Tilgjengelig fra: 2009-10-11 Laget: 2009-10-11 Sist oppdatert: 2017-12-13
Inngår i avhandling
1. Management and Outcome in Non ST-Elevation Acute Coronary Syndromes: Similarities and Differences Between Women nad Men
Åpne denne publikasjonen i ny fane eller vindu >>Management and Outcome in Non ST-Elevation Acute Coronary Syndromes: Similarities and Differences Between Women nad Men
2009 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Background: Non ST-elevation Acute Coronary Syndromes are the most frequent manifestations of acute ischemic heart disease. Gender differences in treatment intensity, including differences in level of care, have been reported. Also differences in benefit from certain treatments, especially invasive treatment, have been discussed. Finally, difference in outcome between men and women, have been proposed. Results have been inconsistent, partly depending on if and how adjustment for differences in background characteristics has been made. The aims of the studies in this thesis were to assess differences between the genders in baseline characteristics, level of care, medical treatment and non-invasive and invasive cardiac procedures. The aims were also to determine gender differences in short and long-term mortality, including impact of level of care, and to determine differences between the genders in benefit from an invasive strategy, with special reference to benefit in women.

Method: We used prospectively collected data from the RIKS-HIA registry in two studies (Paper I and IV). In one study we merged data from patients admitted to general wards in the south-east region of Sweden (The AKUT registry), with data from patients admitted to CCU´s (RIKS-HIA) at participating hospitals during the same time (Paper II). We also randomly assigned women to a routine invasive or a selective invasive treatment strategy, and performed a meta-analysis, to determine gender differences in benefit from a routine invasive strategy (Paper III).

Results: Women were older than men and more likely to have a history of diabetes and hypertension, while men were more likely to have a history of myocardial infarction and revascularisation. Women were also more likely to have normal coronary arteries on the angiogram. After adjustment for baseline differences there were only minor, and directionally inconsistent, differences between women and men in pharmacological treatment. Men were more often referred for coronary angiography, even after adjustment. While CABG-rate was lower in women, after adjustment PCI-rate was similar or even higher compared to men. After adjustment for differences in age, longterm outcome was better in women. In our small but randomised trial there was no benefit from a routine invasive strategy in women. A meta-analysis indicated interaction between gender and treatment strategy, with lack of benefit in women, in contrast to in men. However, our large observational study indicated no gender difference with an invasive strategy. Moreover, benefit was similar in women and men with invasive treatment.

Conclusion: There are substantial differences between women and men in baseline characteristics that affect management and outcome more than gender per se. After adjustment women have better long-term outcome than men. There appear to be a difference in benefit from a routine invasive strategy between the genders, with less benefit in women, but in routine clinical management there was no difference between women and men managed with an invasive strategy.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2009. s. 106
Serie
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1144
HSV kategori
Identifikatorer
urn:nbn:se:liu:diva-56255 (URN)978-91-7393-565-4 (ISBN)
Disputas
2010-09-11, Elsa Brändströmsalen, Campus US, Linköpings universitet, Linköping, 13:00 (svensk)
Opponent
Veileder
Tilgjengelig fra: 2010-09-13 Laget: 2010-05-05 Sist oppdatert: 2013-09-11bibliografisk kontrollert

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