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  1. Article: A Twenty-Year Follow-Up of Adults with Ebstein Anomaly with Special Focus on Supraventricular Arrhythmias, Supraventricular Arrhythmias and Effectiveness of Catheter Ablation in 20-Year Follow-Up of Adults with Ebstein Anomaly.

    Nartowicz, Sonia Alicja / Ciepłucha, Aleksandra / Waśniewski, Michał / Miechowicz, Izabela / Rajewska-Tabor, Justyna / Bartczak-Rutkowska, Agnieszka / Lesiak, Maciej / Pyda, Małgorzata / Trojnarska, Olga

    Journal of clinical medicine

    2024  Volume 13, Issue 7

    Abstract: ... ...

    Abstract Background
    Language English
    Publishing date 2024-04-01
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm13072039
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Complications of cardiac resynchronization therapy implantation: De novo implants versus upgrades.

    Grymuza, Maciej / Katarzyńska-Szymańska, Agnieszka / Chmielewska-Michalak, Lidia / Waśniewski, Michał / Ochotny, Romuald / Lesiak, Maciej / Mitkowski, Przemysław

    Cardiology journal

    2022  

    Abstract: Background: Cardiac resynchronization therapy (CRT) is a well-established treatment of patients with advanced heart failure and electrical dyssynchrony. Implantation of those devices is in some cases associated with intervention on a formerly implanted ... ...

    Abstract Background: Cardiac resynchronization therapy (CRT) is a well-established treatment of patients with advanced heart failure and electrical dyssynchrony. Implantation of those devices is in some cases associated with intervention on a formerly implanted system. The aim of this analysis was to compare the rate and type of complications of de novo implants and upgrades to CRT-D.
    Methods: Retrospective data were collected from medical records, including 326 patients treated with CRT-D between 2015 and 2020. The following data were analyzed: procedure data including complications, demographics, co-morbidities, pharmacotherapy, and laboratory tests. The primary endpoint of the study was all-cause mortality.
    Results: A total of 326 procedure were included, of which 53% (n = 172) were de novo implants and 47% (n = 154) were upgrades. The groups did not differ in the incidence of complications: in the de novo group: 25.5% (n = 44); in the upgrade group: 30.5% (n = 47), p = 0.78. The incidence of complications was also similar in respect of the following: early (p = 0.98) and late (p = 0.45), infectious (p = 0.38) and non-infectious (p = 0.82), surgical (p = 0.38) and device or lead related (p = 0.6). The most common complication in the upgrade group was pocket hematoma (n = 9, 5.8%) and in the de novo group pneumothorax (n = 8, 4.7%).
    Conclusions: Upgrade procedures of are not associated with a higher percentage of complications than de novo implantations of CRT-D. Previously implanted cardiac implantable electronic device should not limit the implantation of CRT-Ds.
    Language English
    Publishing date 2022-06-28
    Publishing country Poland
    Document type Journal Article
    ZDB-ID 2488680-4
    ISSN 1898-018X ; 1897-5593
    ISSN (online) 1898-018X
    ISSN 1897-5593
    DOI 10.5603/CJ.a2022.0057
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Follow-up and characteristics of recipients of cardiac resynchronization therapy with and without a defibrillator.

    Grymuza, Maciej / Katarzyńska-Szymańska, Agnieszka / Chmielewska-Michalak, Lidia / Waśniewski, Michał / Ochotny, Romuald / Lesiak, Maciej / Mitkowski, Przemysław

    Kardiologia polska

    2022  Volume 80, Issue 7-8, Page(s) 806–812

    Abstract: Background: Cardiac resynchronization therapy defibrillator (CRT-D) and pacemaker (CRT-P) are treatment options for patients with advanced heart failure and electrical dyssynchrony. Current guidelines provide only factors favoring, not specific ... ...

    Abstract Background: Cardiac resynchronization therapy defibrillator (CRT-D) and pacemaker (CRT-P) are treatment options for patients with advanced heart failure and electrical dyssynchrony. Current guidelines provide only factors favoring, not specific recommendations as to implant CRT-D or CRT-P. This analysis aimed to compare and contrast populations of CRT-D and CRT-P recipients.
    Methods: Retrospective data were collected from medical records, including 231 patients treated with either CRT-D or CRT-P between 2015 and 2019. Following data were analyzed demographics, co-morbidities, pharmacotherapy, laboratory tests, and data related to the procedure of implantation. The primary endpoint of the study was all-cause mortality.
    Results: A total of 231 patients were included (mean age [standard deviation, SD], 64.1 [12.3] years, 76% male), of these, 13.6% (n = 32) with CRT-P and 86.4% (n = 199) with CRT-D. Mean New York Heart Association (NYHA) class did not differ between the groups: 2.23 (0.9) in CRT-P and 2.35 (0.6) in CRT-D group (P = 0.42). Mean left ventricular ejection fraction was lower in patients eligible for CRT-D: 27.1% vs. 38% (P < 0.001). Patients were followed for a median (interquartile range [IQR]) of 29 (13-44) months and survival in the CRT-P group was 84%, in CRT-D - 82% (P = 0.74). Patients in the CRT-P group were older, and more often after atrioventricular node ablation. The CRT-P group had tendency towards higher Charlton Comorbidity Index, reaching a mean of 4.66 (1.5) points vs. 3.96 (1.5) points in CRT-D (P = 0.06).
    Conclusions: Populations with CRT-P and CRT-D differ in terms of comorbidities; however, they have similar survival. Further studies are required to identify a group of patients, who derive a benefit from adding a defibrillator.
    MeSH term(s) Cardiac Resynchronization Therapy/adverse effects ; Child ; Defibrillators, Implantable ; Female ; Follow-Up Studies ; Heart Failure ; Humans ; Male ; Retrospective Studies ; Risk Factors ; Stroke Volume ; Treatment Outcome ; Ventricular Function, Left
    Language English
    Publishing date 2022-05-12
    Publishing country Poland
    Document type Journal Article
    ZDB-ID 411492-9
    ISSN 1897-4279 ; 0022-9032
    ISSN (online) 1897-4279
    ISSN 0022-9032
    DOI 10.33963/KP.a2022.0125
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Searching for the cause of syncope: non-sustained ventricular tachycardia or neurocardiogenic syndrome. Does it really need lengthy investigation?

    Błaszyk, Krzysztof / Gwizdała, Adrian / Seniuk, Wojciech / Waśniewski, Michał / Grajek, Stefan

    Kardiologia polska

    2016  Volume 74, Issue 4, Page(s) 391

    MeSH term(s) Adolescent ; Adult ; Child ; Female ; Humans ; Middle Aged ; Pacemaker, Artificial ; Syncope/diagnosis ; Syncope/etiology ; Tachycardia, Ventricular/complications ; Tachycardia, Ventricular/diagnosis ; Tachycardia, Ventricular/therapy
    Language English
    Publishing date 2016
    Publishing country Poland
    Document type Case Reports ; Journal Article
    ZDB-ID 411492-9
    ISSN 1897-4279 ; 0022-9032
    ISSN (online) 1897-4279
    ISSN 0022-9032
    DOI 10.5603/KP.2016.0048
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Double atrial potentials in left-sided accessory pathways are associated with paroxysmal atrial fibrillation.

    Błaszyk, Krzysztof / Gwizdała, Adrian / Waśniewski, Michał / Hiczkiewicz, Jarosław / Seniuk, Wojciech / Michalak, Michał

    Journal of cardiovascular electrophysiology

    2017  Volume 29, Issue 1, Page(s) 22–29

    Abstract: Introduction: Muscular connections between the coronary sinus (CS) and left atrium probably impact distribution of electrical activity. Double atrial potentials (DP) may be their presentation. The aim was to investigate the presence of DP in CS ... ...

    Abstract Introduction: Muscular connections between the coronary sinus (CS) and left atrium probably impact distribution of electrical activity. Double atrial potentials (DP) may be their presentation. The aim was to investigate the presence of DP in CS recordings during atrioventricular reentrant tachycardia (AVRT) and its contribution to the occurrence of paroxysmal atrial fibrillation (AF).
    Methods: A group of 247 patients with accessory pathways (AP) were screened for DP. The patients with DP during AVRT were compared to those without DP.
    Results: DP during AVRT were found only among the left-sided AP (AP-L). Patients with AP-L were divided into Group 1 (n  =  17) with DP during AVRT and Group 2 (n  =  108) without DP. Patients in Group 1 had higher incidence of AF in history (47.1% vs. 23.1%; P  =  0.0376), AF induced during electrophysiological (EP) study (70.6% vs. 25%; P  =  0.0002). Group 1 had higher heart rate (HR) during AVRT in the EP study (197.2 ± 27 vs. 175.1 ± 26.3 bpm; P  =  0.0019), but HR of clinical AVRT (208.5 ± 30.8 vs. 191.6 ± 27.8 bpm) was not significant different (P  =  ns). Additionally, electrical alternans of QRS amplitude during AVRT in the EP study was more frequent in Group 1 (52.9 vs. 20.4 %; P  =  0.0048).
    Conclusion: Patients with DP and AP-L were more prone to develop AF. The presence of DP was associated with faster AVRT rate. The direction of atrium depolarization during AVRT may be different in the presence of DP and probably plays a role in development of AF in this group of patients.
    MeSH term(s) Accessory Atrioventricular Bundle ; Action Potentials ; Adult ; Atrial Fibrillation/diagnosis ; Atrial Fibrillation/etiology ; Atrial Fibrillation/physiopathology ; Atrial Fibrillation/surgery ; Cardiac Pacing, Artificial ; Catheter Ablation ; Electrocardiography ; Electrophysiologic Techniques, Cardiac ; Female ; Heart Atria/physiopathology ; Heart Atria/surgery ; Heart Rate ; Humans ; Male ; Middle Aged ; Risk Factors ; Tachycardia, Atrioventricular Nodal Reentry/complications ; Tachycardia, Atrioventricular Nodal Reentry/diagnosis ; Tachycardia, Atrioventricular Nodal Reentry/physiopathology ; Tachycardia, Atrioventricular Nodal Reentry/surgery ; Time Factors ; Treatment Outcome ; Young Adult
    Language English
    Publishing date 2017-10-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1025989-2
    ISSN 1540-8167 ; 1045-3873
    ISSN (online) 1540-8167
    ISSN 1045-3873
    DOI 10.1111/jce.13347
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  6. Article ; Online: PACE DRAP: a simple score for predicting significant bleeding complications after cardiac implantable electronic device surgery.

    Sławek-Szmyt, Sylwia / Araszkiewicz, Aleksander / Grygier, Marek / Szmyt, Krzysztof / Seniuk, Wojciech / Waśniewski, Michał / Smukowski, Tomasz / Chmielewska-Michalak, Lidia / Lesiak, Maciej / Mitkowski, Przemysław

    Polish archives of internal medicine

    2020  Volume 130, Issue 3, Page(s) 206–215

    Abstract: Introduction: Currently, no risk score for predicting significant bleeding complications (SBCs) after cardiac implantable electronic device (CIED) surgery is available.: Objectives: We aimed to develop a new scoring system for predicting SBCs aft er ... ...

    Abstract Introduction: Currently, no risk score for predicting significant bleeding complications (SBCs) after cardiac implantable electronic device (CIED) surgery is available.
    Objectives: We aimed to develop a new scoring system for predicting SBCs aft er CIED surgery.
    Patients and methods: The incidence of SBCs was 4.5%. Based on multivariable analyses, the following predictors of SBCs were identified: age ≥75 years (odds ratio [OR], 8.10; 95% CI, 3.54-18.54); cardiac resynchronization therapy or implantable cardioverter-defibrillator surgery (OR, 5.96; 95% CI, 2.48-14.32); upgrade procedure (OR, 10.22; 95% CI, 4.05-25.78); uncontrolled arterial hypertension (OR, 4.82; 95% CI, 1.78-13.06); presence of valvular prosthesis (OR, 7.85; 95% CI, 3.15-19.58); current malignancy (OR, 6.11; 95% CI, 1.81-20.66); renal failure (OR, 4.28; 95% CI, 1.86-9.87); and the use of antiplatelet drugs (clopidogrel [OR, 6.69; 95% CI, 2.48-18.04] or ticagrelor [OR, 22.25; 95% CI, 4.56-108.46]). The score was created using the weighted points proportional to the β regression coefficient of each predictor rounded to the nearest integer, and the acronym PACE DRAP corresponds to the predictor's first letter. The cutoff point for the high risk of SBCs was 6 points with a sensitivity of 88.24% and a specificity of 87.23%. The PACE DRAP showed good predictive ability (area under the curve, 0.95

    P <0.001).
    Conclusions: The PACE DRAP score is useful in identifying patients at high risk for SBCs after CIED surgery.
    MeSH term(s) Age Factors ; Aged ; Aged, 80 and over ; Cardiac Resynchronization Therapy Devices ; Cardiac Surgical Procedures/adverse effects ; Defibrillators, Implantable ; Female ; Hemorrhage/epidemiology ; Hemorrhage/etiology ; Humans ; Hypertension ; Male ; Middle Aged ; Neoplasms ; Platelet Aggregation Inhibitors ; Poland ; Prospective Studies ; Renal Insufficiency ; Risk Assessment
    Chemical Substances Platelet Aggregation Inhibitors
    Language English
    Publishing date 2020-02-06
    Publishing country Poland
    Document type Journal Article
    ZDB-ID 123500-x
    ISSN 1897-9483 ; 0032-3772
    ISSN (online) 1897-9483
    ISSN 0032-3772
    DOI 10.20452/pamw.15180
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  7. Article ; Online: Predictors of Long-Term Infections After Cardiac Implantable Electronic Device Surgery - Utility of Novel PADIT and PACE DRAP Scores.

    Sławek-Szmyt, Sylwia / Araszkiewicz, Aleksander / Grygier, Marek / Szmyt, Krzysztof / Chmielewska-Michalak, Lidia / Seniuk, Wojciech / Waśniewski, Michał / Smukowski, Tomasz / Lesiak, Maciej / Mitkowski, Przemysław

    Circulation journal : official journal of the Japanese Circulation Society

    2020  Volume 84, Issue 10, Page(s) 1754–1763

    Abstract: Background: Cardiac implantable electronic device-related infections (CDI) are of increasing importance and involve substantial healthcare resources. This study aimed to evaluate potential CDI risk factors and the utility of the novel PADIT and PACE ... ...

    Abstract Background: Cardiac implantable electronic device-related infections (CDI) are of increasing importance and involve substantial healthcare resources. This study aimed to evaluate potential CDI risk factors and the utility of the novel PADIT and PACE DRAP scores to predict CDI.Methods and Results:The study group included 1,000 consecutive patients undergoing implantable cardioverter-defibrillator (ICD) or cardiac resynchronization therapy (CRT) surgery. Patients' and procedural characteristics were collected. CDI occurrence was assessed during 1-year follow-up. Moreover, if periprocedural significant pocket hematoma (SPH) occurred, the maximal volume was calculated based on ultrasonographic measurements and ABC/2 formula. The overall incidence of CDI was 1.8%. In the multivariable regression analysis independent CDI risk factors were: age >75 years (odds ratio [OR]: 5.93; 95% confidence interval [CI]: 1.77-19.84), system upgrade procedure (OR: 6.46; CI: 1.94-21.44), procedure duration >1 h (OR: 13.96; CI: 4.40-44.25), presence of SPH (OR: 4.95; CI: 1.62-15.13) and reintervention within 1 month (OR: 16.29; CI: 3.14-84.50). The PACE DRAP score had higher discrimination of CDI incidence (area under curve [AUC] 0.72) as compared with the PADIT score (AUC 0.63).
    Conclusions: We identified 5 independent risk factors of CDI development. Our study also showed that the PACE DRAP score was better able to identify patients at high risk of CDI than the PADIT score.
    MeSH term(s) Age Factors ; Aged ; Aged, 80 and over ; Arrhythmias, Cardiac/therapy ; Cardiac Resynchronization Therapy/adverse effects ; Cardiac Surgical Procedures/adverse effects ; Defibrillators, Implantable/adverse effects ; Female ; Follow-Up Studies ; Heart Failure/therapy ; Hematoma/complications ; Humans ; Incidence ; Male ; Middle Aged ; Pacemaker, Artificial/adverse effects ; Prospective Studies ; Prosthesis-Related Infections/epidemiology ; Prosthesis-Related Infections/etiology ; Risk Assessment ; Risk Factors
    Language English
    Publishing date 2020-09-05
    Publishing country Japan
    Document type Journal Article ; Observational Study
    ZDB-ID 2068090-9
    ISSN 1347-4820 ; 1346-9843
    ISSN (online) 1347-4820
    ISSN 1346-9843
    DOI 10.1253/circj.CJ-20-0305
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  8. Article ; Online: Nietypowa, epikardialna lokalizacja dodatkowych skurczów komorowych z drogi odpływu lewej komory, leczona ablacją RF z obszaru żyły wielkiej serca.

    Błaszyk, Krzysztof / Waśniewski, Michał / Łojewska, Katarzyna / Hiczkiewicz, Jarosław / Grajek, Stefan

    Kardiologia polska

    2013  Volume 71, Issue 9, Page(s) 988–989

    Abstract: The case report refers to a 54-year-old woman with a drug-refractory premature ventricular contractions (total number of ventricular ectopy: 40,851 beats/24 h) where an ectopy focus was localised in epicardial part of the left ventricular outflow tract. ... ...

    Title translation Unusual epicardial location of ventricular ectopy in left ventricular outflow tract, cured with RF ablation from the great cardiac vein.
    Abstract The case report refers to a 54-year-old woman with a drug-refractory premature ventricular contractions (total number of ventricular ectopy: 40,851 beats/24 h) where an ectopy focus was localised in epicardial part of the left ventricular outflow tract. Successful radiofrequency ablation with the open-irrigated-tip catheter was performed at the site of earliest activation in the great cardiac vein.
    MeSH term(s) Catheter Ablation ; Electrocardiography ; Female ; Humans ; Middle Aged ; Ventricular Dysfunction, Left/diagnosis ; Ventricular Dysfunction, Left/surgery ; Ventricular Premature Complexes/diagnosis ; Ventricular Premature Complexes/surgery
    Language Polish
    Publishing date 2013
    Publishing country Poland
    Document type Case Reports ; English Abstract ; Journal Article
    ZDB-ID 411492-9
    ISSN 1897-4279 ; 0022-9032
    ISSN (online) 1897-4279
    ISSN 0022-9032
    DOI 10.5603/KP.2013.0240
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  9. Article: Wpływ właściwości wezła przedsionkowo-komorowego na cykl ortodromowego czestoskurczu przedsionkowo-komorowego.

    Błaszyk, Krzysztof / Waśniewski, Michał / Grajek, Stefan

    Kardiologia polska

    2010  Volume 68, Issue 2, Page(s) 232–236

    Abstract: We describe a 21-year-old woman with a previous history of orthodromic AVRT and overt preexcitation. Electrophysiological study revealed the presence of a left-sided accessory pathway. During an orthodromic AVRT a spontaneous sudden change in heart rate ( ...

    Title translation Contribution of atrioventricular node inputs on orthodromic atrioventricular reentrant tachycardia cycle length.
    Abstract We describe a 21-year-old woman with a previous history of orthodromic AVRT and overt preexcitation. Electrophysiological study revealed the presence of a left-sided accessory pathway. During an orthodromic AVRT a spontaneous sudden change in heart rate (141 to 202 beats/min) without any change of the QRS morphology was noted due to a decrease in AH interval (from AH=227 ms to AH=100 ms). We explained this phenomenon as the sudden change of the inferior inputs to superior in the AV node.
    MeSH term(s) Adult ; Atrioventricular Node/physiopathology ; Electrocardiography ; Female ; Humans ; Tachycardia, Atrioventricular Nodal Reentry/diagnosis ; Tachycardia, Atrioventricular Nodal Reentry/physiopathology
    Language Polish
    Publishing date 2010-02
    Publishing country Poland
    Document type Case Reports ; English Abstract ; Journal Article
    ZDB-ID 411492-9
    ISSN 0022-9032
    ISSN 0022-9032
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  10. Article ; Online: Łagodna postać anomalii Ebsteina.

    Jedliński, Ireneusz / Jamrozek-Jedlińska, Maria / Bugajski, Paweł / Waśniewski, Michał / Poprawski, Kajetan / Słomczyński, Marek

    Kardiologia polska

    2011  Volume 69, Issue 1, Page(s) 48–50

    Abstract: Ebstein anomaly is a congenital malformation of the heart that is characterised by apical displacement of the septal and posterior tricuspid valve leaflets, leading to atrialisation of the right ventricle with a variable degree of malformation and ... ...

    Title translation Mild type of the Ebstein anomaly.
    Abstract Ebstein anomaly is a congenital malformation of the heart that is characterised by apical displacement of the septal and posterior tricuspid valve leaflets, leading to atrialisation of the right ventricle with a variable degree of malformation and displacement of the anterior leaflet. We present a case of a mild type Ebstein anomaly leading to moderate tricuspid valve regurgitation and some degree of right ventricular dysfunction.
    MeSH term(s) Ebstein Anomaly/complications ; Ebstein Anomaly/diagnostic imaging ; Echocardiography, Doppler, Color/methods ; Heart Atria/abnormalities ; Heart Ventricles/abnormalities ; Humans ; Male ; Middle Aged ; Severity of Illness Index ; Tricuspid Valve/abnormalities ; Tricuspid Valve Insufficiency/diagnostic imaging ; Tricuspid Valve Insufficiency/etiology ; Ventricular Dysfunction, Right/diagnostic imaging ; Ventricular Dysfunction, Right/etiology
    Language Polish
    Publishing date 2011
    Publishing country Poland
    Document type Case Reports ; Journal Article
    ZDB-ID 411492-9
    ISSN 1897-4279 ; 0022-9032
    ISSN (online) 1897-4279
    ISSN 0022-9032
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