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Áhættuþættir hjarta- og æðasjúkdóma meðal fimmtugra á Akureyri og í Hafnarfirði : staða og áhrif einfaldrar íhlutunar

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Authors
Emil L. Sigurðsson
Kristín Pálsdóttir
Bragi Sigurðsson
Sigríður Jónsdóttir
Vilmundur Guðnason
Issue Date
2003-11-01

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Other Titles
Cardiovascular Risk Factors among 50 year old people in Akureyri and Hafnarfjörður. Status and the result of a simple intervention
Citation
Læknablaðið 2003, 89(11):859-64
Abstract
Introduction: The aim of this study was to assess cardiovascular risk factors among individuals fifty years old living in Akureyri and Hafnarfjörður. The result of a simple intervention was also evaluated. Material and methods: All individuals born 1950 living in Akureyri and Hafnarfjörður were invited to take part in a study to evaluate cardiovascular risk factors. Blood pressure was measured, hight, weight and an ECG was registrated. Blood test were done, including serum cholesterol, high density lipoprotein (HDL), triglycerides and fasting blood glucose. Body Mass Index (BMI) was calculated from height and weight (kg/m2). The european risk chart was used to estimate the cardiovascular risk. Information about the status of cardiovascular risk factors were given to each participant and they were given advise about lifestyle modifications and in some cases medical treatment of these risk factors. One year later these participants were again invited to take part in the assessment of cardiovascular risk. Results: Of those invited 70% participated in Akureyri and 59% in Hafnarfjörður. The status of cardiovascular risk factors were similar among fifty years old men in both places. However, among women fifty years old, women in Akureyri were on the average 5.4 kg heavier and their waist circumference was 21 cm larger than among women in Hafnarfjörður. Women from Akureyri also had higher systolic blood pressure, by 8 mmHg, HDL was 1.5 mmol/L lower (p=0.016). More people smoked in Akureyri compared to Hafnarfjörður, 16% of the women and 17% of the men but in Hafnarfjörður this proportion was 9 and 14% respectively. In Akureyri 30% of these fifty year old people had BMI >30, in Hafnarfjörður this ratio was 17%. It is difficult to evaluate the result of the simple intervention that was utilized. Blood glucose among men and women in both Akureyri and Hafnarfjörður decreased. Other results were mainly that the women in Akureyri increased their weight, decreased their waist circumference and increased their serum HDL. Conclusion: The status of cardiovascular risk factors among fifty years old women in Akureyri was much worse than among women in Hafnarfjörður. Considerable proportion were obese. It should be possible to improve the status of many of the cardiovascular risk factors with lifestyle modifications. The results of the simple intervention that was applied, did at most, only dealy worsening of the risk factors. To get better results with cardiovascular prevention programe, more intensive and better structured programe are needed.
Inngangur: Tilgangur þessarar rannsóknar var að kanna stöðu áhættuþátta hjarta- og æðasjúkdóma meðal fimmtugra á Akureyri og í Hafnarfirði. Ennfremur að skoða áhrif einfaldrar íhlutunar á þessa áhættuþætti. Efniviður og aðferðir: Öllum íbúum Akureyrar og Hafnarfjarðar fæddum árið 1950 var boðin þátttaka. Blóðþrýstingur var mældur, hæð og þyngd skráð og hjartalínurit fengið. Blóðprufur voru teknar og mælt kólesteról, high density lipoprotein (HDL) þríglýceríðar og fastandi blóðsykur. Líkamsþyngdarstuðull (LÞS) var reiknaður út frá hæð og þyngd (kg/m2). Gert var áhættumat hjá hverjum fyrir sig og stuðst við evrópsku áhættukortin. Veitt var almenn fræðsla um stöðu áhættuþátta hvers og eins og viðkomandi hvattur til breytinga á mataræði og aukinnar hreyfingar og eftir atvikum lyfjameðferð. Ári eftir þennan hluta rannsóknarinnar var þátttakendum boðið að koma aftur til skoðunar. Niðurstöður: Þátttökuhlutfall var 70% á Akureyri og 59% í Hafnarfirði í fyrri hluta rannsóknarinnar. Staða áhættuþátta var mjög svipuð meðal fimmtugra karlmanna á Akureyri og í Hafnarfirði. Fimmtugar konur á Akureyri reyndust að meðaltali 5,4 kg þyngri, höfðu 21 cm meira kviðarummál og slagbilsþrýstingur þeirra var 8 mmHg hærri en hjá jafnöldrum þeirra í Hafnarfirði. HDL var einnig lægra, 1,5 mmól/L á móti 1,7 mmól/L (p=0,016). Þá voru reykingar algengari á Akureyri en í Hafnarfirði, 16% kvenna og 17% karla reyktu á móti 9 og 14% í Hafnarfirði. Á Akureyri reyndust 30% vera með LÞS >30 en samsvarandi hlutfall í Hafnarfirði var 17%. Erfitt er að meta áhrif einfaldrar íhlutunar. Blóðsykur karla og kvenna á báðum stöðum lækkaði eftir fræðslu og íhlutun. Að öðru leyti voru breytingar þær helstar að konur á Akureyri þyngdust en kviðarummál þeirra minnkaði, samfara þessu hækkaði HDL. Ályktanir: Staða áhættuþátta meðal fimmtugra kvenna á Akureyri virðist mun verri en hjá fimmtugum konum í Hafnarfirði. Talsvert var um offitu og ljóst að það ætti að vera unnt að bæta stöðu áhættuþáttanna með lífsstílsbreytingum. Sú einfalda íhlutun sem beitt var í þessari rannsókn hafði í besta falli þau áhrif að draga úr versnun á stöðu áhættuþáttanna milli ára. Beita þarf markvissari og stöðugri eftirfylgni til þess að ná betri árangri hvað varðar íhlutun.
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