The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · 2016
High early event rates in patients with questionable eligibility for advanced heart failure therapies: Results from the Medical Arm of Mechanically Assisted Circulatory Support (Medamacs) Registry.
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Ambardekar Amrut V, Forde-McLean Rhondalyn C, Kittleson Michelle M, Stewart Garrick C, Palardy Maryse, Thibodeau Jennifer T, DeVore Adam D, Mountis Maria M, Cadaret Linda, Teuteberg Jeffrey J, Pamboukian Salpy V, Cantor Ryan S, Lindenfeld JoAnn
Аннотация
BACKGROUND: The prognosis of ambulatory patients with advanced heart failure (HF) who are not yet inotrope dependent and implications for evaluation and timing for transplant or destination therapy with a left ventricular assist device (DT-LVAD) are unknown. We hypothesized that the characteristics defining eligibility for advanced HF therapies would be a primary determinant of outcomes in these patients.
METHODS: Ambulatory patients with advanced HF (New York Heart Association class III-IV, Interagency Registry for Mechanically Assisted Circulatory Support profiles 4-7) were enrolled across 11 centers from May 2013 to February 2015. Patients were stratified into 3 groups: likely transplant eligible, DT-LVAD eligible, and ineligible for both transplant and DT-LVAD. Clinical characteristics were collected, and patients were prospectively followed for death, transplant, and left ventricular assist device implantation.
RESULTS: The study enrolled 144 patients with a mean follow-up of 10 ± 6 months. Patients in the ineligible cohort (n = 43) had worse congestion, renal function, and anemia compared with transplant (n = 51) and DT-LVAD (n = 50) eligible patients. Ineligible patients had higher mortality (23.3% vs 8.0% in DT-LVAD group and 5.9% in transplant group, p = 0.02). The differences in mortality were related to lower rates of transplantation (11.8% in transplant group vs 2.0% in DT-LVAD group and 0% in ineligible group, p = 0.02) and left ventricular assist device implantation (15.7% in transplant group vs 2.0% in DT-LVAD group and 0% in ineligible group, p < 0.01).
CONCLUSIONS: Ambulatory patients with advanced HF who were deemed ineligible for transplant and DT-LVAD had markers of greater HF severity and a higher rate of mortality compared with patients eligible for transplant or DT-LVAD. The high early event rate in this group emphasizes the need for timely evaluation and decision making regarding lifesaving therapies.
METHODS: Ambulatory patients with advanced HF (New York Heart Association class III-IV, Interagency Registry for Mechanically Assisted Circulatory Support profiles 4-7) were enrolled across 11 centers from May 2013 to February 2015. Patients were stratified into 3 groups: likely transplant eligible, DT-LVAD eligible, and ineligible for both transplant and DT-LVAD. Clinical characteristics were collected, and patients were prospectively followed for death, transplant, and left ventricular assist device implantation.
RESULTS: The study enrolled 144 patients with a mean follow-up of 10 ± 6 months. Patients in the ineligible cohort (n = 43) had worse congestion, renal function, and anemia compared with transplant (n = 51) and DT-LVAD (n = 50) eligible patients. Ineligible patients had higher mortality (23.3% vs 8.0% in DT-LVAD group and 5.9% in transplant group, p = 0.02). The differences in mortality were related to lower rates of transplantation (11.8% in transplant group vs 2.0% in DT-LVAD group and 0% in ineligible group, p = 0.02) and left ventricular assist device implantation (15.7% in transplant group vs 2.0% in DT-LVAD group and 0% in ineligible group, p < 0.01).
CONCLUSIONS: Ambulatory patients with advanced HF who were deemed ineligible for transplant and DT-LVAD had markers of greater HF severity and a higher rate of mortality compared with patients eligible for transplant or DT-LVAD. The high early event rate in this group emphasizes the need for timely evaluation and decision making regarding lifesaving therapies.