Publications by authors named "Rafal Gardas"

7 Publications

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Survival of patients with pacing-induced cardiomyopathy upgraded to CRT does not depend on defibrillation therapy.

Pacing Clin Electrophysiol 2020 05 15;43(5):471-478. Epub 2020 Apr 15.

Department of Electrocardiology and Heart Failure, Medical University of Silesia, Katowice, Poland.

Background: Permanent right ventricular pacing (RVP) results in cardiac dyssynchrony that may lead to heart failure and may be an indication for the use of cardiac resynchronization therapy (CRT). The study aimed to evaluate predictors of outcomes in patients with pacing-induced cardiomyopathy (PICM) if upgraded to CRT.

Methods: One hundred fifteen patients, 75.0 years old (IQR 67.0-80.0), were upgraded to CRT due to the decline in left ventricle ejection fraction (LVEF) caused by the long-term RVP. A retrospective analysis was performed using data from hospital and outpatient clinic records and survival data from the National Health System.

Results: The prior percentage of RVP was 100.0% (IQR 97.0-100.0), with a QRS duration of 180.0 ms (IQR 160.0-200.0). LVEF at the time of the upgrade procedure was 27.0% (IQR 21.0-32.75). The mean follow-up was 980 ± 522 days. The primary endpoint, death from any cause, was met by 26 (22%) patients. Age > 82 years (HR 5.96; 95% CI 2.24-15.89; P = .0004) and pre-CRT implantation LVEF < 20% (HR 5.63; 95%CI 2.19-14.47; P = .0003), but neither the cardioverter-defibrillator (ICD) implantation (HR 1.00; 95%CI 0.45-2.22; P = 1.00), nor the presence of atrial fibrillation (HR 1.22; 95%CI 0.56-2.64; P = .62), were independently associated with all-cause mortality.

Conclusion: Advanced age and an extremely low LVEF, but neither the presence of atrial fibrillation nor implanting an additional high voltage lead, influence the all-cause mortality in patients after long-term RVP, when upgraded to CRT.
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http://dx.doi.org/10.1111/pace.13906DOI Listing
May 2020

Dilated cardiomyopathy with severe arrhythmias in Emery-Dreifuss muscular dystrophy.

Cardiol J 2020 ;27(1):93-94

Department of Electrocardiology and Heart Failure, School of Health Sciences, Medical University of Silesia in Katowice, Ziołowa 47, 40-635 Katowice, Poland.

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http://dx.doi.org/10.5603/CJ.2020.0021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8086488PMC
January 2020

Two-point left ventricle pacing and cardiac computed tomography.

Case Rep Cardiol 2012 9;2012:347189. Epub 2012 Sep 9.

Unit of Noninvasive Cardiovascular Diagnostics, Upper-Silesian Medical Centre, 40-635 Katowice, Poland ; 3rd Division of Cardiology, Medical University of Silesia, 40-752 Katowice, Poland.

Endocardial leads can potentially cause problems during coronary vessels visualization in multislice computed tomography (MSCT) due to a large number of artifacts. Based on presented case, we conclude that it is possible to perform MSCT of coronary arteries and leads visualization despite coexistence of four endocardial leads.
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http://dx.doi.org/10.1155/2012/347189DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4007785PMC
May 2014

Role of multi-slice computed tomography in the recognition of pericardial cyst.

Cardiol J 2011 ;18(1):90-1

Department of Electrocardiology, Upper-Silesian Medical Centre, Katowice, Poland.

A pericardial cyst is, according to the definition, a collection of fluid or blood in the pericardial space (inside the pericardial sac) around the heart. New visualization methods can help in the non-invasive diagnosis of pericardial cysts. Based on a presented case, we conclude that multi-slice computed tomography can have a great impact on the detection of pericardium diseases such as a pericardial cyst.
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June 2011

Lead interaction: rare cause of oversensing during implantation procedure of implantable cardioverter-defibrillator system.

Pacing Clin Electrophysiol 2006 Oct;29(10):1174-5

Department of Electrocardiology, Medical University of Silesia, Katowice, Poland.

A variety of etiologies can cause erroneous detection in patients with implantable cardioverter defibrillator (ICDs). Interaction between two endocardial leads is rare and uncommon in causing electrical noise. During a reimplantation procedure of an ICD system in a 68-year-old man, additional electrical signals could be detected. The interaction between two endocardial defibrillation leads was identified as the cause of sensing problems. When it is not possible to extract the nonfunctional endocardial lead during implantation of the new electrode, it should be implanted away and not in parallel from the old one to avoid interaction between them. A variety of etiologies can cause erroneous detection in patiens with ICD. Interaction between two endocardial leads is rare and uncommon to cause electrical noise.
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http://dx.doi.org/10.1111/j.1540-8159.2006.00510.xDOI Listing
October 2006