ANDRE MACEDO SERAFIM DA SILVA
Projetos de Pesquisa
Unidades Organizacionais
Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/45 - Laboratório de Fisiopatologia Neurocirúrgica, Hospital das Clínicas, Faculdade de Medicina
LIM/45 - Laboratório de Fisiopatologia Neurocirúrgica, Hospital das Clínicas, Faculdade de Medicina
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conferenceObject ATYPICAL AND UNCLASSIFIED CASES OF INFLAMMATORY MYOPATHIES(2018) SILVA, A. M. S.; MENDONCA, R. H.; ZANOTELI, E.- Whole-Body MRI in Limb Girdle Muscular Dystrophy Type R1/2A: Correlation With Clinical Scores(2022) AIVAZOGLOU, Lais U.; GUIMARAES, Julio B.; COSTA, Maria Alice F.; AIHARA, Andre Yui; CARDOSO, Fabiano N.; PINTO, Wladimir B. V. De R.; SOUZA, Paulo Victor S. de; SILVA, Andre M. S. da; ZANOTELI, Edmar; OLIVEIRA, Acary S. B.; CARVALHO, Alzira A. S.; FERNANDES, Artur Da R. C.Introduction/Aim The most common limb girdle muscular dystrophy (LGMD) worldwide is LGMD type R1 (LGMDR1). The aim of this study was to correlate the MRI findings with functional scores and to describe the whole-body MRI (WBMRI) pattern in a LGMDR1 Brazilian cohort. Methods LGMDR1 patients under follow-up in three centers were referred for the study. Clinical data were collected and a functional evaluation was performed, consisting of Gardner-Medwin and Walton (GMW) and Brooke scales. All patients underwent a WBMRI study (1.5T) with axial T1 and STIR images. Fifty-one muscles were semiquantitatively assessed regarding fatty infiltration and muscle edema. Results The study group consisted of 18 patients. The highest fatty infiltration scores involved the serratus anterior, biceps femoris long head, adductor magnus, and lumbar erector spinae. There was a latero-medial and caudo-cranial descending gradient of involvement of the paravertebral muscles, with erector spinae being significantly more affected than the transversospinalis muscles (p < 0.05). A striped appearance that has been dubbed the ""pseudocollagen sign"" was present in 72% of the patients. There was a positive correlation between the MRI score and GMW (Rho:0.83) and Brooke (Rho:0.53) scores. Discussion WBMRI in LGMDR1 allows a global patient evaluation including involvement of the paraspinal muscles, usually an underestimated feature in the clinical and imaging study of myopathies. Knowledge of the WBMRI pattern of LGMDR1 involvement can be useful in the diagnostic approach and in future studies to identify the best target muscles to serve as outcome measures in clinical trials.
conferenceObject SENSITIVITY OF NEUROPHYSIOLOGIC TESTS REGARDING THE NEUROMUSCULAR JUNCTION IN PATIENTS WITH CONGENITAL MYASTHENIC SYNDROMES(2019) CALDAS, Vitor Marques; ESTEPHAN, Eduardo de Paula; SILVA, Andre Macedo Serafim da; MENDONCA, Rodrigo de Holanda; HEISE, Carlos Otto; ZANOTELI, Edmar