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February 10, 2021 Upgrading a patient from an existing permanent pacemaker or implantable cardioverter-defibrillator (ICD) to a cardiac resynchronization therapy (CRT) device can be successfully and safely done in the hands of experienced operators, according to a new analysis from a large tertiary center. When compared with patients undergoing de novo CRT implantation, the rates of procedural success and complications at 90 days were similar in patients undergoing the procedure for an upgraded device, researchers report. The need for an upgrade is relatively common, write David Nemer, MD (Cleveland Clinic, OH), and colleagues in the January 2021 issue of JACC: Clinical Electrophysiology. CRT is indicated for the treatment of patients with systolic congestive heart failure and electrical dyssynchrony; however, roughly 20% to 30% of all CRT devices are upgrades from an existing pacemaker and ICD. Several small studies have shown these upgraded devices also improve hemodynamic a

New yorkUnited statesThe cleveland clinicDavid nemerJose dizonDaniel cantillonPresbyterian columbia university irving medical centerCleveland clinicColumbia university irving medical centerபுதியது யார்க்ஒன்றுபட்டது மாநிலங்களில்தி கிளீவ்லேண்ட் சிகிச்சையகம்டேவிட் நேமேற்ஜோசே டைசன்டேனியல் கான்டிலன்ப்ரெஸ்பிடீரியந் கொலம்பியா பல்கலைக்கழகம் இவிஂக் மருத்துவ மையம்