Qualitative and quantitative magnetic resonance imaging evaluation of bone tissue vaso-occlusive events in patients with sickle cell disease.

Autor: Lins CF; Bahiana School of Medicine and Public Health (EBMSP), Av. Dom João VI, 275, Brotas, Salvador, Bahia, Brazil; Clínica Delfin Medicina Diagnóstica, Av. Antônio Carlos Magalhães, 442, Pituba, Salvador, Bahia, Brazil; Ribeirão Preto Medical School, USP Ribeirão Preto, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo, Campus Universitário s/n - Monte Alegre, Ribeirão Preto, SP, Brazil; Ribeirão Preto Medical School Musculoskeletal Imaging Research Laboratory, Brazil. Electronic address: carolinalins@bahiana.edu.br., Salmon CEG; Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto da Universidade de São Paulo (FFCLRP-USP), Av. Bandeirantes, 3900, Bairro Monte Alegre, Ribeirão Preto, São Paulo, Brazil., de Souza LA; Bahiana School of Medicine and Public Health (EBMSP), Av. Dom João VI, 275, Brotas, Salvador, Bahia, Brazil., Moraes RS; Centro Universitário Maurício de Nassau (UNINASSAU), Rua dos Maçons, 364, Pituba, Salvador, Bahia, Brazil., Silva-Pinto AC; Ribeirão Preto Medical School, USP Ribeirão Preto, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo, Campus Universitário s/n - Monte Alegre, Ribeirão Preto, SP, Brazil., Matos MA; Bahiana School of Medicine and Public Health (EBMSP), Av. Dom João VI, 275, Brotas, Salvador, Bahia, Brazil., Nogueira-Barbosa MH; Ribeirão Preto Medical School, USP Ribeirão Preto, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo, Campus Universitário s/n - Monte Alegre, Ribeirão Preto, SP, Brazil; Ribeirão Preto Medical School Musculoskeletal Imaging Research Laboratory, Brazil; Department of Orthopedic Surgery, University of Missouri Health Care, Columbia, MO, United States.
Jazyk: angličtina
Zdroj: Bone [Bone] 2021 Jul; Vol. 148, pp. 115961. Date of Electronic Publication: 2021 Apr 16.
DOI: 10.1016/j.bone.2021.115961
Abstrakt: Objective: To evaluate the association between bone changes due to vaso-occlusive events in sickle cell disease (SCD) revealed by conventional MRI sequences and the fat fraction obtained using a 6-point DIXON technique (FFdix), in an attempt to use quantitative data as a biomarker for bone complications.
Methods: Cross-sectional study, with 48 SCD patients, 26-homozygous (HbSS), and 22-compound heterozygous (HbSC). Forty-eight healthy individuals paired by age, weight, and sex with SCD patients. All participants underwent lumbar spine and pelvis MRI. Conventional sequences: bone complications related to vaso-occlusive events-femoral head avascular necrosis, bone infarctions, "H"-shaped vertebrae, bone marrow necrosis. Six-point DIXON technique: quantitative evaluation of the bone marrow at pre-established sites (lumbar vertebrae, sacrum, iliacs, femoral heads, greater femoral trochanters, femoral necks). Pearson's correlation, ROC curve, and binary logistic regression analysis were performed.
Results: The most frequent findings in the SCD group included femoral head avascular necrosis (75%), bone infarctions (58.3%), "H"-shaped vertebrae (58.3%), and typical imaging findings of bone marrow necrosis (8.3%). Cortical bone thickness in the proximal femoral diaphysis in patients with SCD was moderately negatively correlated with FFdix in lumbar vertebrae, iliacs, femoral necks, and first sacral vertebrae. The ROC curves and odds ratios demonstrated excellent performance of FFdix in all the evaluated anatomical sites and identified patients having bone complications.
Conclusions: FFdix could serve as a potential biomarker in SCD because of its association with bone complications secondary to vaso-occlusive events in patients with SCD, especially in femoral heads, femoral necks, and iliacs.
(Copyright © 2021 Elsevier Inc. All rights reserved.)
Databáze: MEDLINE
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