Abstract
The implantation of a subcutaneous cardioverter-defibrillator (S-ICD) may be used instead of a traditional transvenous system to prevent sudden cardiac death. Our aim was to compare the characteristics of S-ICD patients from the multi-center registry of S-ICD implantations in Poland with the published results of the European Snapshot Survey on S-ICD Implantation (ESSS-SICDI). We compared data of 137 Polish S-ICD patients with 68 patients from the ESSS-SICDI registry. The groups did not differ significantly in terms of sex, prevalence of ischemic cardiomyopathy, concomitant diseases, and the rate of primary prevention indication. Polish patients had more advanced heart failure (New York Heart Association (NYHA) class III: 11.7% vs. 2.9%, NYHA II: 48.9% vs. 29.4%, NYHA I: 39.4% vs. 67.7%, p < 0.05 each). Young age (75.9% vs. 50%, p < 0.05) and no vascular access (7.3% vs. 0%, p < 0.05) were more often indications for S-ICD. The percentage of patients after transvenous system removal due to infections was significantly higher in the Polish group (11% vs. 1.5%, p < 0.05). In the European population, S-ICD was more frequently chosen because of patients’ active lifestyle and patients’ preference (both 10.3% vs. 0%, p < 0.05). Our analysis shows that in Poland, compared to other European countries, subcutaneous cardioverters-defibrillators are being implanted in patients at a more advanced stage of chronic heart failure. The most frequent reason for choosing a subcutaneous system instead of a transvenous ICD is the young age of a patient.
Highlights
The implantation of a subcutaneous cardioverter-defibrillator (S-ICD) has been increasingly used to treat patients at risk of sudden cardiac death due to ventricular arrhythmias.Such a solution may in many cases replace a traditional cardioverter-defibrillator system with transvenous leads [1,2]
During the period from May 2020 to March 2021, data from 147 patients have been reported to the registry of S-ICD implantations in Poland, which corresponds to 90% of all S-ICD implantations performed in our country during that time
91 cases (66.4%), the S-ICD system was implanted for the primary prevention of sudden cardiac death (SCD)
Summary
The implantation of a subcutaneous cardioverter-defibrillator (S-ICD) has been increasingly used to treat patients at risk of sudden cardiac death due to ventricular arrhythmias.Such a solution may in many cases replace a traditional cardioverter-defibrillator system with transvenous leads (transvenous cardioverter-defibrillator, TV-ICD) [1,2].
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