TY - GEN AU - Cheung,Jim W AU - Ip,James E AU - Markowitz,Steven M AU - Liu,Christopher F AU - Thomas,George AU - Feldman,Dmitriy N AU - Swaminathan,Rajesh V AU - Lerman,Bruce B AU - Kim,Luke K TI - Trends and outcomes of cardiac resynchronization therapy upgrade procedures: A comparative analysis using a United States National Database 2003-2013 SN - 1556-3871 PY - 2018///0405 KW - Aged KW - Aged, 80 and over KW - Cardiac Resynchronization Therapy KW - adverse effects KW - Databases, Factual KW - Female KW - Heart Failure KW - mortality KW - Hospital Mortality KW - Hospitalization KW - statistics & numerical data KW - Humans KW - Male KW - Middle Aged KW - Outcome and Process Assessment, Health Care KW - Retreatment KW - methods KW - United States KW - epidemiology N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.hrthm.2017.02.017 ER -