European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery · 2019
Major Amputation Rates in Patients with Peripheral Arterial Disease Aged 50 Years and Over in Denmark during the period 1997-2014 and their Relationship with Demographics, Risk Factors, and Vascular Services.
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Londero Louise S, Hoegh Annette, Houlind Kim, Lindholt Jes
Аннотация
OBJECTIVE: The aim of this nationwide study was to provide insight into the incidence and geographical distribution of vascular services and major amputations in patients with peripheral arterial disease (PAD) in Denmark.
METHODS: The incidence of major amputation caused by PAD was investigated by linking data from population based healthcare and administrative databases. The study period was divided into three parts, i.e. 1997-2002, 2003-2008, and 2009-2014. Amputation rates and revascularisation rates per 100 000 inhabitants ≥ 50 years of age were calculated and the association was displayed using scatter plots. The association between amputation rates and revascularisation rates was explored using a mixed effect model. Multivariable logistic regression was used to identify risk factors for having amputation without prior revascularisation relative to having amputation with prior revascularisation.
RESULTS: During 1997-2014, 13 075 first time major amputations were performed. The proportions of patients with diabetes as well as atherosclerotic comorbidity increased through the decades. The incidence rate decreased from 41.67 per 100 000 citizens ≥ 50 years of age in 1997-2002, to 32.53 in 2009-2014 (r = -0.88, p < .001), but with municipal differences. In parallel, revascularisations increased from 166.63 per 100 000 citizens ≥ 50 years of age in 1997-2002, to 239.05 in 2009-2014 (r = 0.83, p < .001). The percentage of patients evaluated by a vascular surgeon within a year prior to amputation increased from 23.7% to 31.3% (p < .001), while no increase in the proportion having revascularisation within a year prior to amputation was seen. Multivariable logistic regression analysis showed that diabetes mellitus (OR 1.28; CI 1.17-1.40), stroke (OR 1.66; CI 1.52-1.81), coronary heart disease (OR 1.25; CI 1.14-1.37), and renal disease (OR 1.31; CI 1.15-1.48) were associated with a higher risk of undergoing amputation without prior revascularisation.
CONCLUSIONS: The incidence of major amputations decreased, while general cardiovascular prevention and revascularisation rates increased. Despite that, few patients had revascularisation prior to amputation, leaving room for improvements.
METHODS: The incidence of major amputation caused by PAD was investigated by linking data from population based healthcare and administrative databases. The study period was divided into three parts, i.e. 1997-2002, 2003-2008, and 2009-2014. Amputation rates and revascularisation rates per 100 000 inhabitants ≥ 50 years of age were calculated and the association was displayed using scatter plots. The association between amputation rates and revascularisation rates was explored using a mixed effect model. Multivariable logistic regression was used to identify risk factors for having amputation without prior revascularisation relative to having amputation with prior revascularisation.
RESULTS: During 1997-2014, 13 075 first time major amputations were performed. The proportions of patients with diabetes as well as atherosclerotic comorbidity increased through the decades. The incidence rate decreased from 41.67 per 100 000 citizens ≥ 50 years of age in 1997-2002, to 32.53 in 2009-2014 (r = -0.88, p < .001), but with municipal differences. In parallel, revascularisations increased from 166.63 per 100 000 citizens ≥ 50 years of age in 1997-2002, to 239.05 in 2009-2014 (r = 0.83, p < .001). The percentage of patients evaluated by a vascular surgeon within a year prior to amputation increased from 23.7% to 31.3% (p < .001), while no increase in the proportion having revascularisation within a year prior to amputation was seen. Multivariable logistic regression analysis showed that diabetes mellitus (OR 1.28; CI 1.17-1.40), stroke (OR 1.66; CI 1.52-1.81), coronary heart disease (OR 1.25; CI 1.14-1.37), and renal disease (OR 1.31; CI 1.15-1.48) were associated with a higher risk of undergoing amputation without prior revascularisation.
CONCLUSIONS: The incidence of major amputations decreased, while general cardiovascular prevention and revascularisation rates increased. Despite that, few patients had revascularisation prior to amputation, leaving room for improvements.