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Árangur kransæðahjáveituaðgerða á Íslandi 2002­2006

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Authors
Hannes Sigurjónsson
Sólveig Helgadóttir
Sæmundur J. Oddsson
Martin Ingi Sigurđsson
Arnar Geirsson
Þórarinn Arnórsson
Tómas Guðbjartsson
Issue Date
2012-09

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Other Titles
Outcome of myocardial revascularisation in Iceland
Citation
Læknablaðið 2012, 98(9):451-6
Abstract
In Iceland over 3500 coronary artery bypass operations have been performed, both On-Pump, using cardiopulmonary bypass and Off-Pump, surgery on a beating heart. The aim was to study their outcome. This was a retrospective study on 720 consecutive patients who underwent surgical revascularisation at Landspítali-The National University Hospital of Iceland between 2002-2006; 513 On-Pump and 207 Off-Pump patients. Complications and operative mortality (<30 days) were compared between the groups and predictors of survival identified using multivariate analysis. The number of males was significantly higher in the On-Pump group, but other risk factors of coronary artery disease, including age and high body mass index, were comparable, as were the number of distal anastomoses and EuroSCORE. The Off-Pump procedure took 25 minutes longer on average and chest tube output was significantly increased, but the amount of transfusions administered was similar. The rate of minor complications was higher in the On-Pump group. Of the major complications, stroke rates were similar in both groups (2%) but the rate of reoperation for bleeding was higher in the On-Pump group. Mean length of hospital stay was one day longer for On-Pump patients but operative mortality was similar for both groups (4% vs. 3%, p=0.68) as was 5 year survival (92% in both groups). In multivariate analysis both EuroSCORE and age predicted outcome of operative mortality and long term survival but type of surgery (On-Pump vs. Off-Pump) was not a predictive variant. Outcome of myocardial revascularisation in Iceland is good as regards operative mortality and long term survival. This applies to both conventional On-Pump and Off-Pump procedures.
Inngangur: Á Íslandi hafa verið framkvæmdar um 3500 kransæðahjáveituaðgerðir, annað hvort með hjarta- og lungnavél (HLV) eða á sláandi hjarta (SH). Tilgangur rannsóknarinnar var að kanna árangur þessara aðgerða hér á landi. Efniviður og aðferðir: Rannsóknin var afturskyggn og náði til 720 sjúklinga sem gengust undir kransæðahjáveituaðgerð á Landspítala árin 2002-2006 og skiptust þeir í tvo hópa; 513 einstaklinga sem gengust undir aðgerð með HLV (HLV-hópur) og 207 á SH (SH-hópur). Fylgikvillar og dánartíðni innan 30 daga voru borin saman milli hópa og forspárþættir lifunar metnir með ein- og fjölbreytugreiningu. Niðurstöður: Karlar voru fleiri í HLV-hópi en áhættuþættir kransæðasjúkdóma, aldur og líkamsþyngdarstuðull reyndust sambærilegir milli hópa, einnig fjöldi æðatenginga og EuroSCORE. Aðgerðir á sláandi hjarta stóðu 25 mínútum lengur og blæðing í brjóstholskera var marktækt aukin en magn blóðs sem var gefið var sambærilegt í báðum hópum. Minniháttar fylgikvillar voru algengari í HLV-hópi (58% á móti 48%, p<0,05). Af alvarlegum fylgikvillum voru enduraðgerðir vegna blæðinga algengari í HLV-hópi og heildarlegutími rúmum sólarhring lengri. Dánartíðni innan 30 daga var hins vegar áþekk í báðum hópum (4% á móti 3%, p=0,68), einnig 5 ára lifun sem var í kringum 93% í báðum hópum. Í fjölbreytugreiningu spáðu hærra EuroSCORE og aldur fyrir dánartíðni innan 30 daga og langtímalifun en ekki tegund aðgerðar (HLV eða SH). Ályktanir: Árangur kransæðahjáveituaðgerða á Íslandi er góður, bæði hvað varðar dánartíðni innan 30 daga og langtímalifun. Þetta á jafnt við um aðgerðir sem framkvæmdar eru með aðstoð HLV og á sláandi hjarta.
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