Archivos de cardiologia de Mexico · 2022
[Features and evolution of patients with systemic amyloidosis and cardiac involvement].
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Carretero Marcelina, Aguirre Ma A, Villanueva Eugenia, Nucifora Elsa, Posadas-Martínez Ma Lourdes
Аннотация
OBJECTIVE: To estimate the prevalence of cardiac amyloidosis in patients with systemic amyloidosis. Compare survival rates based on whether they show cardiac involvement.
METHODS: A retrospective cohort study of patients with systemic amyloidosis from the Institutional Amyloidosis Registry of the Hospital Italian of Buenos Aires from 2010 to 2019. Heart involvement is considered to be the presence of symptoms and/or images consistent with amyloidosis, and there is no other reason to explain it. All deaths due to causes were evaluated. The survival rate was estimated by Kaplan-Meier. Cox regression model was used to evaluate factors related to mortality. Heart transplantation was evaluated in a competitive risk regression model.
RESULTS: The prevalence of heart involvement is 63%. For the group with heart damage, the death rate was 14/1,000 person-months, and for patients without damage, the death rate was 5/1,000 person-months. The 5-year overall survival rate for patients with heart involvement was 44%, while that for patients without damage was 67% (p = 0.02). The original HR for heart involvement was 2.09 (p = 0.02). Age showed that HRa was 1.06 (p <0.01). The sub-HR estimated by the competitive risk regression model are 1.86 (95% CI 0.99-3.49) p = 0.05.
CONCLUSION: Cardiac involvement is an important prognostic factor in patients with amyloidosis.
METHODS: A retrospective cohort study of patients with systemic amyloidosis from the Institutional Amyloidosis Registry of the Hospital Italian of Buenos Aires from 2010 to 2019. Heart involvement is considered to be the presence of symptoms and/or images consistent with amyloidosis, and there is no other reason to explain it. All deaths due to causes were evaluated. The survival rate was estimated by Kaplan-Meier. Cox regression model was used to evaluate factors related to mortality. Heart transplantation was evaluated in a competitive risk regression model.
RESULTS: The prevalence of heart involvement is 63%. For the group with heart damage, the death rate was 14/1,000 person-months, and for patients without damage, the death rate was 5/1,000 person-months. The 5-year overall survival rate for patients with heart involvement was 44%, while that for patients without damage was 67% (p = 0.02). The original HR for heart involvement was 2.09 (p = 0.02). Age showed that HRa was 1.06 (p <0.01). The sub-HR estimated by the competitive risk regression model are 1.86 (95% CI 0.99-3.49) p = 0.05.
CONCLUSION: Cardiac involvement is an important prognostic factor in patients with amyloidosis.