JACC. Advances · 2026
Long-Term Outcomes After Transcatheter Aortic Valve Replacement in Nonagenarians: Impact of Frailty and Malnutrition.
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Kobayashi Tetsuya, Noguchi Masahiko, Yamamoto Masanori, Ito Joji, Kato Nahoko, Muraishi Makio, Yoshino Kunihiko, Sakai Hiroki, Shimura Tetsuro, Hioki Hirofumi, Shirai Shinichi, Ishizu Kenichi, Ohno Yohei, Yashima Fumiaki, Naganuma Toru, Watanabe Yusuke, Yamanaka Futoshi, Nakazawa Gaku, Izumo Masaki, Asami Masahiko, Nishina Hidetaka, Fuku Yasushi, Otsuka Toshiaki, Hayashida Kentaro, OCEAN-TAVI Investigators
Аннотация
BACKGROUND: The role of transcatheter aortic valve replacement (TAVR) in nonagenarians remains uncertain, especially regarding long-term outcomes and prognostic factors.
OBJECTIVES: This study aimed to evaluate long-term outcomes of TAVR in nonagenarians, focusing on cause-specific mortality and the prognostic influence of frailty and malnutrition.
METHODS: We analyzed 4,623 patients who underwent transfemoral TAVR in a multicenter Japanese registry, including 700 aged ≥90 years. Outcomes were followed for 5 years. We analyzed all-cause mortality, cause-specific mortality, and the prognostic impact of the Clinical Frailty Scale and Geriatric Nutritional Risk Index.
RESULTS: At 5 years, all-cause mortality was higher in patients aged ≥90 years than in those <90 years (53.2% vs37.0%, P < 0.001), primarily due to noncardiovascular deaths such as senility and infections (32.5% vs 19.9%; P < 0.001). Cardiovascular mortality was similar (20.3% vs 17.0%; P = 0.198). Multivariable analysis showed that age ≥90 years was not an independent predictor; frailty and malnutrition were the strongest prognostic factors. A Clinical Frailty Scale-Geriatric Nutritional Risk Index heatmap revealed marked heterogeneity, identifying subgroups of nonagenarians with preserved nutrition and low frailty who achieved favorable long-term survival.
CONCLUSIONS: In this large multicenter registry, excess mortality in nonagenarians after TAVR was driven mainly by noncardiovascular causes. Frailty and malnutrition, rather than chronological age, were central determinants of long-term outcomes. These findings emphasize that TAVR candidacy in nonagenarians should be guided on geriatric assessment of frailty and nutrition to identify patients most likely to achieve meaningful survival while avoiding futile interventions.
OBJECTIVES: This study aimed to evaluate long-term outcomes of TAVR in nonagenarians, focusing on cause-specific mortality and the prognostic influence of frailty and malnutrition.
METHODS: We analyzed 4,623 patients who underwent transfemoral TAVR in a multicenter Japanese registry, including 700 aged ≥90 years. Outcomes were followed for 5 years. We analyzed all-cause mortality, cause-specific mortality, and the prognostic impact of the Clinical Frailty Scale and Geriatric Nutritional Risk Index.
RESULTS: At 5 years, all-cause mortality was higher in patients aged ≥90 years than in those <90 years (53.2% vs37.0%, P < 0.001), primarily due to noncardiovascular deaths such as senility and infections (32.5% vs 19.9%; P < 0.001). Cardiovascular mortality was similar (20.3% vs 17.0%; P = 0.198). Multivariable analysis showed that age ≥90 years was not an independent predictor; frailty and malnutrition were the strongest prognostic factors. A Clinical Frailty Scale-Geriatric Nutritional Risk Index heatmap revealed marked heterogeneity, identifying subgroups of nonagenarians with preserved nutrition and low frailty who achieved favorable long-term survival.
CONCLUSIONS: In this large multicenter registry, excess mortality in nonagenarians after TAVR was driven mainly by noncardiovascular causes. Frailty and malnutrition, rather than chronological age, were central determinants of long-term outcomes. These findings emphasize that TAVR candidacy in nonagenarians should be guided on geriatric assessment of frailty and nutrition to identify patients most likely to achieve meaningful survival while avoiding futile interventions.