The journal of nutrition, health & aging · 2024
Prognostic value of nutritional changes in older patients following transcatheter aortic valve replacement.
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Li Hongde, Li Weiya, Li Junli, Peng Shiqin, Feng Yuan, Peng Yong, Wei Jiafu, Zhao Zhengang, Xiong Tianyuan, Chen Fei, Chen Mao
Аннотация
OBJECTIVES: Nutritional status, as one of the core characteristics of frailty, the impact of its changes on clinical outcomes in older patients following transcatheter aortic valve replacement (TAVR) remains unclear.
DESIGN: A retrospective cohort study.
SETTING: This study included a total of 781 patients who underwent TAVR at West China Hospital between 2012 and 2022.
METHOD: The average age of the patients was 72.6 years, with a mean follow-up period of 2.2 years. All patients were followed for at least one year, and their nutritional status was assessed using the Controlling Nutritional Status (CONUT) score both before TAVR and six months post-TAVR. Based on post-TAVR changes in nutritional status, patients with normal nutritional status pre-TAVR were categorized into Non-malnutrition and New malnutrition groups, while patients with malnutrition pre-TAVR were categorized into Malnutrition regression and Malnutrition persistence groups.
RESULT: The New malnutrition group experienced higher cumulative incidences of all-cause mortality (20.5% vs. 2.4%, P = 0.002), MACE (25.5% vs. 23.7%, P = 0.001), and readmissions for heart failure (13.1% vs. 7.3%, P = 0.027) compared to the Non-malnutrition group. Conversely, the Malnutrition regression group showed a lower cumulative incidence of all-cause mortality (3.1% vs. 18.0%, P = 0.016) compared to the Malnutrition persistence group, although no statistically significant differences were observed in MACE (14.7% vs. 28.5%, P = 0.087) and readmissions for heart failure (7.0% vs. 8.3%, P = 0.551).
CONCLUSION: Our study indicates that deterioration in nutritional status after TAVR is associated with poorer clinical outcomes, whereas improvement is associated with better outcomes.
DESIGN: A retrospective cohort study.
SETTING: This study included a total of 781 patients who underwent TAVR at West China Hospital between 2012 and 2022.
METHOD: The average age of the patients was 72.6 years, with a mean follow-up period of 2.2 years. All patients were followed for at least one year, and their nutritional status was assessed using the Controlling Nutritional Status (CONUT) score both before TAVR and six months post-TAVR. Based on post-TAVR changes in nutritional status, patients with normal nutritional status pre-TAVR were categorized into Non-malnutrition and New malnutrition groups, while patients with malnutrition pre-TAVR were categorized into Malnutrition regression and Malnutrition persistence groups.
RESULT: The New malnutrition group experienced higher cumulative incidences of all-cause mortality (20.5% vs. 2.4%, P = 0.002), MACE (25.5% vs. 23.7%, P = 0.001), and readmissions for heart failure (13.1% vs. 7.3%, P = 0.027) compared to the Non-malnutrition group. Conversely, the Malnutrition regression group showed a lower cumulative incidence of all-cause mortality (3.1% vs. 18.0%, P = 0.016) compared to the Malnutrition persistence group, although no statistically significant differences were observed in MACE (14.7% vs. 28.5%, P = 0.087) and readmissions for heart failure (7.0% vs. 8.3%, P = 0.551).
CONCLUSION: Our study indicates that deterioration in nutritional status after TAVR is associated with poorer clinical outcomes, whereas improvement is associated with better outcomes.