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1.	Olsson, Christian, et al. (författare) Medium-term survival after surgery for acute Type A aortic dissection is improving 2017 Ingår i: European Journal of Cardio-Thoracic Surgery. - : Oxford University Press. - 1010-7940 .- 1873-734X. ; 52:5, s. 852-857 Tidskriftsartikel (refereegranskat)abstract OBJECTIVES: To report long-term survival and predictors of mortality in patients included in a large, contemporary, multicentre, multinational database: Nordic Consortium for Acute Type A Aortic Dissection (NORCAAD), which consists of 8 centres in 4 Nordic countries.METHODS: Currently, NORCAAD includes 1159 patients operated between 2005 and 2014. In 30-day survivors (n = 955, 82%), the Kaplan-Meier and Cox proportional hazard methods were used to analyse medium-term (up to 8 years) survival and relative survival versus a matched normal population. Pre- and intraoperative predictors were expressed as hazard ratio (HR) with 95% confidence interval (95% CI).RESULTS: Cumulative follow-up was 3514 patient-years with a median of 3.2 years (range 0-10.2 years). Survival was 95% (95% CI 93-96) at 1 year, 86% (95% CI 83-88) at 5 years and 76% (95% CI 72-81) at 8 years. Relative survival versus a matched normal population was 95% (95% CI 94-97) at 1 year, 90% (95% CI 87-93) at 5 years and 85% (95% CI 80-90) at 8 years. In multivariable analysis, increased age (HR 1.05 per year, 95% CI 1.04-1.07), previous abdominal or thoracic aortic repair (HR 3.2, 95% CI 1.6-6.4) and chronic renal disease (HR 2.7, 95% CI 1.2-6.2) were associated with increased medium-term mortality. Open distal anastomosis (HR 0.55, 95% CI 0.35-0.87) and operation in the 2010-2014 period (HR 0.90, 95% CI 0.83-0.97) were associated with decreased medium-term mortality.CONCLUSIONS: Medium-term survival after acute Type A aortic dissection in the NORCAAD registry is satisfactory, close to a matched normal population and improved in the later part of the study period. The use of open distal anastomosis was associated with decreased medium-term mortality.

Olsson, Christian, et al. (författare)
Medium-term survival after surgery for acute Type A aortic dissection is improving
2017
Ingår i: European Journal of Cardio-Thoracic Surgery. - : Oxford University Press. - 1010-7940 .- 1873-734X. ; 52:5, s. 852-857
Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To report long-term survival and predictors of mortality in patients included in a large, contemporary, multicentre, multinational database: Nordic Consortium for Acute Type A Aortic Dissection (NORCAAD), which consists of 8 centres in 4 Nordic countries.METHODS: Currently, NORCAAD includes 1159 patients operated between 2005 and 2014. In 30-day survivors (n = 955, 82%), the Kaplan-Meier and Cox proportional hazard methods were used to analyse medium-term (up to 8 years) survival and relative survival versus a matched normal population. Pre- and intraoperative predictors were expressed as hazard ratio (HR) with 95% confidence interval (95% CI).RESULTS: Cumulative follow-up was 3514 patient-years with a median of 3.2 years (range 0-10.2 years). Survival was 95% (95% CI 93-96) at 1 year, 86% (95% CI 83-88) at 5 years and 76% (95% CI 72-81) at 8 years. Relative survival versus a matched normal population was 95% (95% CI 94-97) at 1 year, 90% (95% CI 87-93) at 5 years and 85% (95% CI 80-90) at 8 years. In multivariable analysis, increased age (HR 1.05 per year, 95% CI 1.04-1.07), previous abdominal or thoracic aortic repair (HR 3.2, 95% CI 1.6-6.4) and chronic renal disease (HR 2.7, 95% CI 1.2-6.2) were associated with increased medium-term mortality. Open distal anastomosis (HR 0.55, 95% CI 0.35-0.87) and operation in the 2010-2014 period (HR 0.90, 95% CI 0.83-0.97) were associated with decreased medium-term mortality.CONCLUSIONS: Medium-term survival after acute Type A aortic dissection in the NORCAAD registry is satisfactory, close to a matched normal population and improved in the later part of the study period. The use of open distal anastomosis was associated with decreased medium-term mortality.

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