Heart, lung & circulation · 2022
Relationship of Haptoglobin Phenotypes With Sarcopaenia in Patients With Congestive Heart Failure.
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Karim Asima, Muhammad Tahir, Shah Islam, Khan Javaidullah, Qaisar Rizwan
Аннотация
BACKGROUND: Systemic inflammation in patients with chronic heart failure (CHF) contributes to age-related muscle loss or sarcopaenia. However, the relationship of plasma haptoglobin (Hp), an acute-phase reactant, with muscle and physical health in CHF is unknown.
METHODS: This study investigated the associations of plasma haptoglobin levels and phenotypes with handgrip strength (HGS), appendicular skeletal muscle index (ASMI) and physical capacity in healthy controls (n=67) and CHF patients (n=61) aged 55-73 years.
RESULTS: Patients with CHF had higher plasma Hp levels and higher proportions of Hp2-2 phenotype when compared with healthy controls. Plasma Hp2-1 and Hp2-2 levels were negatively associated with HGS and ASMI in healthy controls and CHF (both p<0.05). A negative association of plasma Hp2-2 with gait speed and plasma Hp2-1 with daily steps count was also found in CHF (p<0.05). Patients with Hp2 phenotype showed higher expressions of inflammation and oxidative stress markers, as well as low scores on quality of life parameters.
CONCLUSIONS: Circulating Hp may be a valuable biomarker for assessing muscle health and physical capacity in CHF.
METHODS: This study investigated the associations of plasma haptoglobin levels and phenotypes with handgrip strength (HGS), appendicular skeletal muscle index (ASMI) and physical capacity in healthy controls (n=67) and CHF patients (n=61) aged 55-73 years.
RESULTS: Patients with CHF had higher plasma Hp levels and higher proportions of Hp2-2 phenotype when compared with healthy controls. Plasma Hp2-1 and Hp2-2 levels were negatively associated with HGS and ASMI in healthy controls and CHF (both p<0.05). A negative association of plasma Hp2-2 with gait speed and plasma Hp2-1 with daily steps count was also found in CHF (p<0.05). Patients with Hp2 phenotype showed higher expressions of inflammation and oxidative stress markers, as well as low scores on quality of life parameters.
CONCLUSIONS: Circulating Hp may be a valuable biomarker for assessing muscle health and physical capacity in CHF.