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Browsing by Author "Groop, Per-Henrik"

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  • Tynjälä, Anniina; Forsblom, Carol; Groop, Per-Henrik; Gordin, Daniel; Harjutsalo, Valma (2020)
    The fact that individuals with type 1 diabetes (T1D) are at greater risk for cardiovascular disease and premature death, can only partly be explained by traditional risk factors. Interestingly, T1D is accompanied by arterial stiffening that correlates with microvascular and macrovascular complications. The aim of this study was to find out whether arterial stiffness predicts all-cause mortality in individuals with T1D. Augmentation index (AIx), a measure of arterial pulse wave reflections, is used to estimate stiffness in the resistance arteries and can be determined non-invasively from pulse wave analysis by applanation tonometry. The data consisted of 906 individuals with T1D from the FinnDiane Study that have been examined for arterial stiffness, cardiovascular risk factors and diabetic complications at baseline between 2001 and 2015. After a median follow-up of 8.2 (5.7-9.7) years, 67 individuals had died according to mortality data from Statistics Finland. They had higher baseline AIx (28 [21-33] vs. 19 [9-27] %, P < 0.001) compared to those alive. This association was independent of related risk factors (age, sex, BMI, HbA1c, triglycerides, renal function and past cardiovascular events) in Cox regression analysis (hazard ratio 1.042 [1.007-1.078], P = 0.017). Arterial stiffness estimated by AIx independently predicted all-cause mortality in T1D. Promising pharmacological agents counteracting arterial stiffness include inhibitors of the renin-angiotensin-aldosterone system and sodium-glucose co-transporter 2, and research data on their effect in individuals with T1D is constantly growing. Our finding suggests that detecting early arterial stiffening individuals with T1D could be useful in targeting a more aggressive treatment for high-risk individuals.
  • Lehto, Markku; Harjutsalo, Valma; Järvinen, Asko; Kirveskari, Juha; Forsblom, Carol; Groop, Per-Henrik; Simonsen, Johan Rasmus (2015)
    Tidigare studier har visat en högre frekvens av bakterieinfektioner hos patienter med diabetes, men de specifika riskfaktorerna har varit oklara. Målet med vår studie var att underöka incidensen av bakterieinfektioner och deras koppling till kronisk hyperglykemi och diabetesnefropati hos patienter med typ 1 diabetes. Vi undersökte frekvensen av bakterieinfektioner hos patienter med typ 1 diabetes (n=4748) och deras kontrollpatienter som hade justerats för ålder och kön (n=12 954). Vi använde landsomfattande register ur vilka vi samlade information på årliga uppköp av antibiotika och epikrisdiagnoser mellan 1996 och 2009. Diabetesnefropati klassificerades enligt graden av albuminuri. Resultat: Frekvensen av bakterieinfektioner som krävde sjukhusvård och det årliga antalet uppköp av antibiotika var högre hos patienter med typ 1 diabetes, jämfört med kontrollpatienterna. Resultaten korrelerade även med svårighetsgraden av diabetesnefropati. Mängden årliga uppköp av antibiotika korrelerade med graden av kronisk hyperglykemi. Studien visar för första gången sambandet mellan bakterieinfektioner, kronisk hyperglykemi och diabetesnefropati.