A Comprehensive Study of Bone Manifestations in Adult Gaucher Disease Type 1 Patients in Argentina

QUIROGA F; GONZALEZ D; ROZENFELD P; OLIVERI B; SILVA C

CALCIFIED TISSUE INTERNATIONAL

SPRINGER

Año: 2019 vol. 104 p. 650 - 657

0171-967X

Gaucher disease (GD) is the most prevalent lysosomal storage disease, and bone involvement is the most disabling condition. The aim of the present study was to evaluate bone involvement in adult patients with GD, using an observationalcross-sectional study. Patients were evaluated using X-rays, bone densitometry (BMD), trabecular bone score (TBS), magnetic resonance imaging (MRI), and biochemical bone markers. Thirty-two type 1GD patients were included (mean age:40±16 years). Patients had received velaglucerase for 2.7±1.4 years; 19/32 had been treated previously with imiglucerase.Ninety-four percent of subjects met therapeutic goals for hematological parameters, and eight were splenectomized (SPX).Nineteen patients had irreversible bone lesions (IL), i.e., avascular necrosis, bone infarction, and/or vertebral fractures.MRI showed marrow infiltration in 71% of patients. Patients with IL had higher bone marrow burden than those without(p=0.001). All SPX patients had IL, a higher prevalence of bone marrow edema (p=0.02), and lower TBS (p=0.03) thannon-SPX patients. Only 18.7% of patients had abnormal BMD, with no correlation with fractures (FX). TBS values were