dc.date.accessioned | 2013-03-12T12:35:31Z | |
dc.date.available | 2017-08-22T22:30:27Z | |
dc.date.issued | 2012 | en_US |
dc.date.submitted | 2012-04-11 | en_US |
dc.identifier.citation | Hodnesdal, Christian. Rapidly upsloping ST-segment on exercise ECG: a marker of reduced coronary heart disease mortality risk. Prosjektoppgave, University of Oslo, 2012 | en_US |
dc.identifier.uri | http://hdl.handle.net/10852/29166 | |
dc.description.abstract | Bakgrunn: Den prognostiske verdien av en isolert J-punktdepresjon, eller hurtig oppstigende ST-segment, på arbeids-EKG har lenge blitt antatt å være et godartet fenomen. Imidlertid finnes det lite eller ingen litteratur som underbygger dette synet. Vår oppgave var å undersøke om en hurtig oppstigende ST-senkning i arbeids-EKG er forbundet med endringer i risikoen for å dø av hjerte-karsykdom hos 2014 friske middelaldrende menn. Oppfølgingstiden var 35 år.
Metode: En gruppe friske middelaldrende menn (n=2014) deltok i kardiovaskulær undersøkelse. ST-segment under arbeid ble klassifisert i tre grupper: normalt ST-segment (n=1383), hurtig oppstigende ST-segment (n=401) og ST-senkning (n= 230). Overlevelsesanalyser ble justert for røyking, cholesterol, systolisk blodtrykk, makspuls og fysisk form. Oppfølgelsestiden var 35 år.
Resultater: Gruppa med hurtig oppstigende ST-segment hadde en 30% reduert risiko for å dø av hjerte-karsydom (hazard ratio. HR. 0,70, 95% konfidensintervall 0,51-0,95) sammenliknet med gruppa med normalt ST-segment. Risikoen for kardiovaskulær sykdom var nummerisk lavere i gruppa med hurtig oppstigende ST-segment (HR 0,82, 95% KI 0,65-1,04) sammenliknet med gruppa med normalt ST-segment. Gruppa med ST-senkning hadde en 1,45 ganger forhøyet risiko for hjerte-karsykdom sammenliknet med gruppa med normale ST-segment (HR 1,45, 95% KI 1,09-1,90).
Konklusjon: Hurtig oppstigende ST-segment var et vanlig funn (20%) på arbeids-EKG hos friske middelaldrende menn og var forbundet med en 30% redusert risiko for å dø av hjerte-karsykdom sammenliknet med normalt ST-segment. Et hurtig oppadstigende ST-segment på arbeids EKG er kanskje den egentlig friske tilstanden. | nor |
dc.description.abstract | Background: The prognostic value of an isolated J-point depression, or rapidly upsloping ST-segment, on an exercise ECG has long been assumed to be a benign variant. However, little or no data supporting this assumption may be found in the literature. Our task was to examine if a rapidly upsloping ST-segment on an exercise ECG is associated with changes in risk of dying from CHD in 2014 healthy middle-aged men followed for 35 years.
Methods: A group of healthy middle-aged men (n 1⁄4 2014) participated in a cardiovascular survey. They underwent an examination programme including a symptom-limited ECG bicycle exercise test. Exercise induced ST-segments were categorised in three groups: normal ST-segment (n1⁄41383), rapidly upsloping (n1⁄4401), and ST-depression (n1⁄4230). Survival analyses were adjusted for smoking status, total cholesterol, systolic blood pressure, maximal heart rate, and physical fitness. The mean follow-up time was 35 years.
Results: The rapidly upsloping group had a 30% decreased risk of CHD death (hazard ratio, HR, 0.70, 95% CI 0.51–0.95) compared to the normal ST-segment group. The risk of CVD-death was numerically lower in the rapidly upsloping group (HR 0.82, 95% CI 0.65–1.04) compared to the normal ST-segment group. The ST-depression group had a 1.45-fold (HR 1.45, 95% CI 1.09–1.90) increased risk of CHD death compared to the normal ST-segment group.
Conclusions: The rapidly upsloping ST-segment was a common finding (20%) on exercise ECG among healthy middle- aged men and was associated with a 30% reduced risk of dying from CHD compared to individuals with normal ST-segment. A rapidly upsloping ST-segment on exercise ECG may represent the true healthy state. | eng |
dc.language.iso | eng | en_US |
dc.subject | indremedisin | |
dc.title | Rapidly upsloping ST-segment on exercise ECG: a marker of reduced coronary heart disease mortality risk | en_US |
dc.type | Master thesis | en_US |
dc.date.updated | 2012-10-09 | en_US |
dc.creator.author | Hodnesdal, Christian | en_US |
dc.subject.nsi | VDP::770 | en_US |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft.au=Hodnesdal, Christian&rft.title=Rapidly upsloping ST-segment on exercise ECG: a marker of reduced coronary heart disease mortality risk&rft.inst=University of Oslo&rft.date=2012&rft.degree=Prosjektoppgave | en_US |
dc.identifier.urn | URN:NBN:no-31831 | en_US |
dc.type.document | Prosjektoppgave | en_US |
dc.identifier.duo | 153935 | en_US |
dc.contributor.supervisor | Johan Bodegård | en_US |
dc.identifier.fulltext | Fulltext https://www.duo.uio.no/bitstream/handle/10852/29166/3/Forskningsoppg-art-Hodnesdal.pdf | |