BACKGROUND The rate of cardiac device-related infective endocarditis (CDRIE) is increasing worldwide, but no detailed data are available for Poland. AIMS We aimed to evaluate clinical, diagnostic, and therapeutic data of patients hospitalized due to CDRIE in 22 Polish referential cardiology centers from May 1, 2016 to May 1, 2017. METHODS Participating cardiology departments were asked to fill in a questionnaire that included data on the number of hospitalized patients, number and types of implanted cardiac electrotherapy devices, and number of infective endocarditis cases. We also collected clinical data and data regarding the management of patients with CDRIE. RESULTS Overall, 99 621 hospitalizations were reported. Infective endocarditis unrelated to cardiac device was the cause of 596 admissions (0.6%), and CDRIE, of 195 (0.2%). Pacemaker was implanted in 91 patients with CDRIE (47%); cardioverter-defibrillator, in 51 (26%); cardiac resynchronization therapy

The platelet response to clopidogrel has no impact upon post-procedural adverse events at mid-term follow-up in patients with stable CAD undergoing PCI. This finding suggests that routine platelet reactivity testing is not beneficial in this group of patients.

Stress echocardiography is a safe diagnostic method, and major complications are very rare. Despite European recommendations, SE examinations to evaluate CAD are performed less frequently than electrocardiographic exercise tests, although they already comprise a significant proportion of all stress tests. It seems reasonable to promote SE further for the evaluation of both CAD and VHD.

Patent foramen ovale (PFO) is thought to be a risk factor for decompression illness (DCI). Catheter-based closure procedure reduces the risk of DCI in selected scuba divers with PFO. Major complication of invasive approach are rare, minor, especially heart rhythm disturbances are reported relatively often. We describe a case of 41-year-old diver, who underwent PFO closure due to recurrent DCI events. Afterward, he experienced no DCI symptoms; however, he complained about feeling of the heart beating during a submersion. Arrhythmia should be considered as a life-threatening for scuba diver, thus we performed underwater ECG monitoring and exclude the arrhythmia.

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