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1.
Rev Med Liege ; 78(10): 533-534, 2023 Oct.
Artigo em Francês | MEDLINE | ID: mdl-37830315

RESUMO

Synovial chondromatosis is a rare pathology that involves most frequently the weight-bearing joints. It is due to the development of cartilaginous bodies from the synovial membrane that could migrate threw the joint. Primary and secondary forms exist. Clinical examination will be marked by swellings and loss of mobility. Cross-sectional imaging has the preference. The treatment of choice is the removal of cartilaginous loose bodies with or without a synovectomy.


L'ostéochondromatose synoviale est une pathologie rare touchant plus fréquemment les articulations en charge. Il s'agit du développement de corps cartilagineux à partir de la membrane synoviale, pouvant devenir intra-articulaires. Il existe des formes primaires et secondaires. L'examen clinique sera principalement marqué par des épanchements et des limitations d'amplitudes articulaires. L'imagerie de choix sera l'imagerie en coupes. Le traitement de choix est l'exérèse des corps cartilagineux sous arthroscopie associée à une synovectomie.


Assuntos
Condromatose Sinovial , Corpos Livres Articulares , Humanos , Condromatose Sinovial/diagnóstico por imagem , Condromatose Sinovial/cirurgia , Sinovectomia
2.
Rev Med Liege ; 78(9): 503-509, 2023 Sep.
Artigo em Francês | MEDLINE | ID: mdl-37712160

RESUMO

In the context of low back pain of the posterior iliac crest, various etiologies can be evoked, in particular Maigne's syndrome in D12/L1, ilio-lumbar ligament syndrome or L5/S1 facet syndrome. Maigne's syndrome is a painful segmental vertebral dysfunction leading to a cellulo-periosto-myalgic syndrome. Propedeutic is essential to the diagnosis and is based on a rigorous segmental spinal examination and on the remote search for palpable changes in the texture of the skin, muscle and teno-periosteal tissues. The iliolumbar ligament is a powerful fibrous stabilising element of the lumbosacral hinge. Its tensioning by repeated movements of anteflexion and contralateral lateroflexion-rotation contributes to the expression of a painful symptomatology of the posteromedial iliac crest. Pain in the posterior inter-apophyseal joint L5-S1 is characterised by a more medial lumbosacral pain, accentuated on facet palpation and reproduced on combined heterolateral extension-rotation of the spine. Manual therapy centred on the dorsolumbar or lumbosacral hinge is recommended as a first-line treatment to control these different diagnoses. Rehabilitation of the motor control of the deep stabilising muscles of the dorsolumbar spine is essential. Various local infiltrations often complete the physiotherapy approach.


Dans le cadre d'une lombalgie de la crête iliaque postérieure, diverses étiologies peuvent être évoquées, notamment le syndrome de Maigne en D12/L1, le syndrome du ligament ilio-lombaire ou encore le syndrome facettaire L5/S1. Le syndrome de Maigne traduit une dysfonction vertébrale segmentaire douloureuse entraînant un syndrome cellulo-périosto-myalgique. La propédeutique est essentielle au diagnostic et repose sur un examen vertébral segmentaire rigoureux et sur la recherche à distance des modifications palpables de la texture des tissus cutané, musculaire et téno-périosté. Le ligament ilio-lombaire est un puissant élément fibreux stabilisateur de la charnière lombo-sacrée. Sa mise en tension par des mouvements répétés d'antéflexion et de latéroflexion-rotation controlatérale contribue à l'expression d'une symptomatologie douloureuse de la crête iliaque postéro-médiale. La souffrance de l'articulaire inter-apophysaire postérieure L5-S1 se caractérise par une douleur lombo-sacrée plus médiane, accentuée à la palpation facettaire et reproduite lors de la combinaison d'un mouvement d'extension-rotation hétérolatérale du rachis. Une thérapie manuelle centrée sur la charnière dorso-lombaire ou lombo-sacrée est préconisée en première intention pour maîtriser ces différents diagnostics. La rééducation du contrôle moteur des muscles stabilisateurs profonds du rachis dorso-lombaire s'avère primordiale. Diverses infiltrations locales complètent souvent l'approche rééducative.


Assuntos
Dor Lombar , Medicina , Humanos , Dor Lombar/diagnóstico , Dor Lombar/etiologia , Dor Lombar/terapia , Ílio , Diagnóstico Diferencial
3.
Clin Neurophysiol ; 154: 27-33, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37541074

RESUMO

OBJECTIVE: To compare the strength-duration time constant (SDTC) and rheobase measurements obtained by the threshold tracking method (TT) and by a non-automated method (MM). METHODS: The MM procedure involved measuring, using a routine electrodiagnostic device, the intensity required to evoke a motor response whose amplitude corresponds to 40% of the maximum amplitude for four stimulus duration (1.0, 0.7, 0.5, 0.2 ms), and studying the linear relationship between stimulus charge and stimulus duration (slope = rheobase, intercept on the x-axis = SDTC). Using TT and MM, 30 successive healthy subjects (mean age = 38 years old) underwent a prospective evaluation of SDTC and rheobase of the median nerve motor axons at the wrist. Nerve stimulation and bipolar recording of evoked motor responses were performed with disposable self-adhesive surface electrodes. RESULTS: The Spearman correlations between the two methods were 0.78 (p < 0.0001) for SDTC and 0.96 (p < 0.0001) for the rheobase. The Bland-Altman analysis did not reveal any systematic bias of MM compared to TT. CONCLUSIONS: The MM procedure was reliable for strength-duration relationship analysis. SIGNIFICANCE: We encourage neurophysiologists, who do not have dedicated threshold tracking equipment, not to hesitate to use these simple tools to assess peripheral nerve excitability.


Assuntos
Nervo Mediano , Nervos Periféricos , Humanos , Adulto , Nervo Mediano/fisiologia , Axônios/fisiologia , Punho , Potenciais de Ação/fisiologia , Estimulação Elétrica
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