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Usefulness of the S...
Usefulness of the Sum Absolute QRST Integral to Predict Outcomes in Patients Receiving Cardiac Resynchronization Therapy
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- Jacobsson, Jonatan (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Borgquist, Rasmus (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Massachusetts General Hospital,Skåne University Hospital
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- Reitan, Christian (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Ghafoori, Elyar (författare)
- Oregon Health & Science University
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- Chatterjee, Neal A. (författare)
- Massachusetts General Hospital
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- Kabir, Muammar (författare)
- Oregon Health & Science University
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- Platonov, Pyotr G. (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Carlson, Jonas (författare)
- Lund University,Lunds universitet,Kardiologi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Cardiology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Singh, Jagmeet P. (författare)
- Massachusetts General Hospital
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- Tereshchenko, Larisa G. (författare)
- Oregon Health & Science University
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: American Journal of Cardiology. - : Elsevier BV. - 0002-9149. ; 118:6, s. 389-395
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http://dx.doi.org/10...
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https://europepmc.or...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Cardiac resynchronization therapy (CRT) reduces mortality and morbidity in selected patients with heart failure (HF), but up to 1/3 of patients are nonresponders. Sum absolute QRST integral (SAI QRST) recently showed association with mechanical response on CRT. However, it is unknown whether SAI QRST is associated with all-cause mortality and HF hospitalizations in patients undergoing CRT. The study population included 496 patients undergoing CRT (mean age 69 ± 10 years, 84% men, 65% left bundle branch block [LBBB], left ventricular ejection fraction 23 ± 6%, 63% ischemic cardiomyopathy). Preimplant digital 12-lead electrocardiogram was transformed into orthogonal XYZ electrocardiogram. SAI QRST was measured as an arithmetic sum of areas under the QRST curve on XYZ leads and was dichotomized based on the median value (302 mV ms). All-cause mortality served as the primary end point. A composite of 2-year all-cause mortality, heart transplant, and HF hospitalization was a secondary end point. Cox regression models were adjusted for known predictors of CRT response. Patients with preimplant low mean SAI QRST had an increased risk of both the primary (hazard ratio [HR] 1.8, 95% CI 1.01 to 3.2) and secondary (HR 1.6, 95% CI 1.1 to 2.2) end points after multivariate adjustment. SAI QRST was associated with secondary outcome in subgroups of patients with LBBB (HR 2.1, 95% CI 1.5 to 3.0) and with non-LBBB (HR 1.7, 95% CI 1.0 to 2.6). In patients undergoing CRT, preimplant SAI QRST
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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Ghafoori, Elyar
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Chatterjee, Neal ...
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Kabir, Muammar
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Platonov, Pyotr ...
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Carlson, Jonas
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Singh, Jagmeet P ...
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