Valvular & structural heart disease

Prevalence and Prognostic Significance of Malnutrition Risk in Patients With Valvular Heart Disease

JACC AdvPublished Prospective cohort study

Authors' conclusion

Malnutrition risk was prevalent in various VHDs and was strongly associated with increased mortality and MACEs. The GNRI score provided incremental prognostic information for clinical outcomes.

Study context

Population
Patients with moderate or severe valvular heart disease in the China-VHD Study
Participants
8,908 patients
Exposure
Moderate or severe malnutrition risk vs no malnutrition risk
Outcome
All-cause mortality
Follow-up
2 years
Methodological detailsChina-VHD Study
  • China-VHD Study

Main finding

As reported in the abstract

2-year all-cause mortality by malnutrition risk (GNRI)
Moderate or severe malnutrition risk vs none: significantly higher risk of all-cause death in various valvular heart disease (VHDs)
all P < 0.02
Strongest association in tricuspid regurgitation: mortality HR 3.18 (95% CI 1.99 to 5.10)
P < 0.001

Observational data: associations, not effects.

Secondary outcomes

2-year MACE by malnutrition risk (geriatric nutritional risk index (GNRI))

Moderate or severe malnutrition risk vs none: significantly higher risk of MACE in various VHDs
all P < 0.02
Strongest association in tricuspid regurgitation: MACE HR 2.33 (95% CI 1.58 to 3.44)
P < 0.001

Incremental prediction of adding GNRI to EuroSCORE

Improved risk stratification and outcome prediction (C-statistic)
P < 0.001
Likelihood ratio test
P < 0.001

Original publication

Prevalence and Prognostic Significance of Malnutrition Risk in Patients With Valvular Heart Disease. JACC Adv. Published 19 December 2024. doi:10.1016/j.jacadv.2024.101446

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