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List of works by Steffen Helqvist

Angiographic characteristics of intermediate stenosis of the left anterior descending artery for determination of lesion significance as identified by fractional flow reserve

scientific article published on 11 March 2015

Cardioprotective effects of ischemic postconditioning in patients treated with primary percutaneous coronary intervention, evaluated by magnetic resonance.

scientific article published on 26 January 2010

Comparison of Selvester QRS score with magnetic resonance imaging measured infarct size in patients with ST elevation myocardial infarction

scientific article published in May 2012

Comparison of an everolimus-eluting bioresorbable scaffold with an everolimus-eluting metallic stent for the treatment of coronary artery stenosis (ABSORB II): a 3 year, randomised, controlled, single-blind, multicentre clinical trial

scientific article published on 28 October 2016

Coronary evaginations are associated with positive vessel remodelling and are nearly absent following implantation of newer-generation drug-eluting stents: an optical coherence tomography and intravascular ultrasound study

scientific article published on 16 October 2013

Deferred stent implantation in patients with ST-segment elevation myocardial infarction: a pilot study

scientific article published in February 2013

Deferred versus conventional stent implantation in patients with ST-segment elevation myocardial infarction (DANAMI 3-DEFER): an open-label, randomised controlled trial

scientific article published in April 2016

Diagnostic Accuracy of Coronary CT Angiography for the Evaluation of Bioresorbable Vascular Scaffolds.

scientific article

Drug-eluting versus bare metal stents in patients with st-segment-elevation myocardial infarction: eight-month follow-up in the Drug Elution and Distal Protection in Acute Myocardial Infarction (DEDICATION) trial

scientific article published on 25 August 2008

Effect of Ischemic Postconditioning During Primary Percutaneous Coronary Intervention for Patients With ST-Segment Elevation Myocardial Infarction: A Randomized Clinical Trial

scientific article published on March 2017

Endothelial shear stress and vascular remodeling in bioresorbable scaffold and metallic stent

scientific article published on 10 September 2020

Exenatide reduces reperfusion injury in patients with ST-segment elevation myocardial infarction

scientific article published on 14 September 2011

Final infarct size measured by cardiovascular magnetic resonance in patients with ST elevation myocardial infarction predicts long-term clinical outcome: an observational study

scientific article published on 23 November 2012

Hypercoagulation assessed by thromboelastography is neither related to infarct size nor to clinical outcome after primary percutaneous coronary intervention

scientific article published on 23 April 2013

Impact of acute hyperglycemia on myocardial infarct size, area at risk, and salvage in patients with STEMI and the association with exenatide treatment: results from a randomized study

scientific article published on 28 February 2014

Impact of system delay on infarct size, myocardial salvage index, and left ventricular function in patients with ST-segment elevation myocardial infarction

scientific article published in October 2012

Incidence and Potential Mechanism(s) of Post-Procedural Rise of Cardiac Biomarker in Patients With Coronary Artery Narrowing After Implantation of an Everolimus-Eluting Bioresorbable Vascular Scaffold or Everolimus-Eluting Metallic Stent

scientific article published on July 2015

Influence of pre-infarction angina, collateral flow, and pre-procedural TIMI flow on myocardial salvage index by cardiac magnetic resonance in patients with ST-segment elevation myocardial infarction

scientific article published on 29 December 2011

Left atrial volume and function in patients following ST elevation myocardial infarction and the association with clinical outcome: a cardiovascular magnetic resonance study

scientific article published on 12 June 2012

Long-Term Outcome After Drug-Eluting Versus Bare-Metal Stent Implantation in Patients With ST-Segment Elevation Myocardial Infarction

scientific article published on 01 August 2010

Long-term outcome after drug-eluting versus bare-metal stent implantation in patients with ST-segment elevation myocardial infarction: 5 years follow-up from the randomized DEDICATION trial (Drug Elution and Distal Protection in Acute Myocardial Inf

scientific article published on 15 May 2013

Long-term outcome in patients treated with sirolimus-eluting stents in complex coronary artery lesions: 3-year results of the SCANDSTENT (Stenting Coronary Arteries in Non-Stress/Benestent Disease) trial

scientific article published in May 2008

MR-proADM as a Prognostic Marker in Patients With ST-Segment-Elevation Myocardial Infarction-DANAMI-3 (a Danish Study of Optimal Acute Treatment of Patients With STEMI) Substudy.

scientific article

Natural history of optical coherence tomography-detected non-flow-limiting edge dissections following drug-eluting stent implantation

scientific article published on 01 January 2014

Optimal catchment area and primary PCI centre volume revisited: a single-centre experience in transition from high-volume centre to "mega centre" for patients with ST-segment elevation myocardial infarction

scientific article published on 25 November 2014

Prasugrel or double-dose clopidogrel to overcome clopidogrel low-response--the TAILOR (Thrombocytes And IndividuaLization of ORal antiplatelet therapy in percutaneous coronary intervention) randomized trial.

scientific article

Predictors and prognostic value of left atrial remodelling after acute myocardial infarction.

scientific article published on 8 June 2015

Prehospital administration of P2Y12 inhibitors and early coronary reperfusion in primary PCI: an observational comparative study.

scientific article published on 21 May 2015

Randomised comparison of a bioresorbable everolimus-eluting scaffold with a metallic everolimus-eluting stent for ischaemic heart disease caused by de novo native coronary artery lesions: the 2-year clinical outcomes of the ABSORB II trial

scientific article

Randomized comparison of distal protection versus conventional treatment in primary percutaneous coronary intervention: the drug elution and distal protection in ST-elevation myocardial infarction (DEDICATION) trial

scientific article published in March 2008

Restenosis in coronary bare metal stents. Importance of time to follow-up: a comparison of coronary angiograms 6 months and 4 years after implantation

scientific article published in April 2009

ST peak during percutaneous coronary intervention serves as an early prognostic predictor in patients with ST-segment elevation myocardial

scientific article published on 01 August 2014

ST peak during primary percutaneous coronary intervention predicts final infarct size, left ventricular function, and clinical outcome

scientific article

ST-Segment resolution and clinical outcome with ischemic postconditioning and comparison to magnetic resonance

scientific article published on 01 December 2010

Search and rescue helicopter-assisted transfer of ST-elevation myocardial infarction patients from an island in the Baltic Sea: results from over 100 rescue missions

scientific article published on 22 July 2013

Short- and long-term cause of death in patients treated with primary PCI for STEMI.

scientific article published on 10 November 2014

Sirolimus versus bare metal stent implantation in patients with total coronary occlusions: subgroup analysis of the Stenting Coronary Arteries in Non-Stress/Benestent Disease (SCANDSTENT) trial

scientific article published in November 2006

Tailored antiplatelet therapy to improve prognosis in patients exhibiting clopidogrel low-response prior to percutaneous coronary intervention for stable angina or non-ST elevation acute coronary syndrome

scientific article published on 28 August 2014

The impact of distal embolization and distal protection on long-term outcome in patients with ST elevation myocardial infarction randomized to primary percutaneous coronary intervention--results from a randomized study.

scientific article

The incidence and relevance of site-reported vs. patient-reported angina: insights from the ABSORB II randomized trial comparing Absorb everolimus-eluting bioresorbable scaffold with XIENCE everolimus-eluting metallic stent

scientific article published on 01 April 2016

Usefulness of Preprocedure High-Sensitivity C-Reactive Protein to Predict Death, Recurrent Myocardial Infarction, and Stent Thrombosis According to Stent Type in Patients With ST-Segment Elevation Myocardial Infarction Randomized to Bare Metal or Dru

scientific article published on 23 March 2011

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