Nutrition Status Tied to TAVR Outcomes
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Geriatric patients who did not get their nutrition on track after transcatheter aortic valve replacement (TAVR) suffered worse long-term outcomes, a single center study from Spain showed.

Limited data are available regarding change in the nutritional status after transcatheter aortic valve replacement (TAVR). This study evaluated the prognostic impact of the change in the geriatric nutritional risk index following TAVR.

TAVR patients were analyzed in a prospective and observational study. To analyze the change in nutritional status, geriatric nutritional risk index of the patients was calculated on the day of TAVR and at 3-month follow-up. The impact of the change in nutritional risk index after TAVR on all-cause mortality, heart failure hospitalization (HF-h), and the composite of all-cause death and HF hospitalization was analyzed using the Cox Proportional Hazards model.

Results:
-- Four hundred thirty-three patients were included. After TAVR, 68.4% (n=182) patients with baseline nutritional risk improved compared with 31.6% (n=84) who remained at nutritional risk.

-- The change from no-nutritional risk to nutritional risk after TAVR occurred in 15.0% (n=25), while 85.0% (n=142) remained without risk of malnutrition.

-- During follow-up, 157 (36.3%) patients died and 172 patients (39.7%) were hospitalized due to HF. Patients who continued to be at nutritional risk had a higher risk of mortality, HF-h, and the composite of death and HF-h.

-- The change to non-nutritional risk after TAVR significantly impact mortality, HF-h, and the composite outcome.

Conclusively, remaining at nutritional risk after TAVR confers a poor prognosis and is associated with an increased risk of mortality and HF-h, while the change from risk of malnutrition to non-nutritional risk after TAVR was associated with a halving of the risk of mortality and HF-h. Further studies are needed to identify whether patients at nutritional risk would benefit from nutritional intervention during processes of care of TAVR programs.

Source: https://www.ahajournals.org/doi/abs/10.1161/CIRCINTERVENTIONS.120.009342
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