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- Redfors, Björn, et al.
(author)
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Angiographic findings and survival in patients undergoing coronary angiography due to sudden cardiac arrest in western Sweden.
- 2015
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In: Resuscitation. - : Elsevier BV. - 0300-9572 .- 1873-1570. ; 90:May 2015, s. 13-20
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Journal article (peer-reviewed)abstract
- AIM: Sudden cardiac arrest (SCA) accounts for more than half of all deaths from coronary heart disease. Time to return of spontaneous circulation is the most important determinant of outcome but successful resuscitation also requires percutaneous coronary intervention in selected patients. However, proper selection of patients is difficult. We describe data on angiographic finding and survival from a prospectively followed SCA patient cohort.METHODS: We merged the RIKS-HIA registry (Register of Information and Knowledge about Swedish Heart Intensive Care Admissions) and SCAAR (Swedish Coronary Angiography and Angioplasty Registry) for patients hospitalized in cardiac care units in Western Sweden between January 2005 and March 2013. We performed propensity score-adjusted logistic and Cox proportional-hazards regression analyses on complete-case data as well as on imputed data sets.RESULTS: 638 consecutive patients underwent coronary angiography due to SCA. Severity of coronary artery disease was similar among SCA patients and patients undergoing coronary angiography due to suspected coronary artery disease (n=37,142). An acute occlusion was reported in the majority of SCA patients and was present in 37% of patients who did not have ST-elevation on the post resuscitation ECG. 31% of SCA patients died within 30 days. Long-term risk of death among patients who survived the first 30 days was higher in patients with SCA compared to patients with acute coronary syndromes (P<0.001).CONCLUSIONS: Coronary artery disease and acute coronary occlusions are common among patients who undergo coronary angiography after sudden cardiac arrest. These patients have a substantial mortality risk both short- and long-term.
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- Redfors, B. Björn, et al.
(author)
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Incidence and prognosis of the takotsubo syndrome compared to acute myocardial infarction
- 2019
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In: European Journal of Heart Failure. - : John Wiley & Sons. - 1388-9842 .- 1879-0844. ; 21, s. 267-267
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Journal article (other academic/artistic)abstract
- Background: Takotsubo syndrome (TS) is a potentially life-threatening acute cardiac syndrome with a clinical presentation very similar to myocardial infarction (MI) and for which the natural history, management and outcome remain incompletely understood.Purpose: The aims of this study were to assess the relative short- and long-term mortality risk of TS , ST-elevation MI (STEMI) and non STEMI (NSTEMI) and to identify predictors of in-hospital complications and poor prognosis in patients with TS.Methods: Using the nationwide Swedish Angiography and Angioplasty Registry (SCAAR) we identified almost all (n=117,720) patients who underwent coronary angiography due to TS (N=2,898 [2.5%]), STEMI (N=48,493 [41.2%]) or NSTEMI (N=66,329 [56.3%]) in Sweden between January 2009 and February 2018.Results: Patients with TS were more often women as compared with patients with STEMI or NSTEMI. TS was associated with unadjusted and adjusted 30-day mortality risks lower than STEMI (adjusted hazard ratio [adjHR] 0.60, 95% confidence interval [CI]0.48-0.76, p<0.001), but higher than NSTEMI (adjHR 2.70, 95% CI 2.14-3.41, p<0.001). Compared to STEMI, TS was associated with similar risk of acute heart failure (adjHR 1.26, 95% CI 0.91–1.76, p=0.16) but lower risk of cardio-genic shock (adjHR 0.55, 95% CI 0.34–0.89, p=0.02). The relative 30-day mortality risk for TS versus STEMI and NSTEMI was higher for smokers than non-smokers (adjusted pinteractionSTEMI=0.01 and pinteractionNSTEMI=0.01).Conclusion: Thirty-day mortality in TS was higher than in NSTEMI but lower than STEMI, despite a similar risk of acute heart failure in TS and STEMI. Among patients with TS, smoking was an independent predictor of mortality
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