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1.
Br J Anaesth ; 97(3): 408-13, 2006 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-16845131

RESUMO

BACKGROUND: The aim of the study was to evaluate the effect of lornoxicam (L) on sensory and motor block onset time, tourniquet pain, and postoperative analgesia, when added to lidocaine in intravenous regional anaesthesia (IVRA). METHODS: Forty-five patients undergoing hand surgery were randomly and blindly divided into three groups as to receive either i.v. saline and IVRA with lidocaine 0.5% (Control group, n=15), i.v. saline and IVRA lidocaine 0.5% with lornoxicam (L-IVRA group, n=15), or intravenous lornoxicam and IVRA lidocaine 0.5% (L-IV group, n=15). Sensory and motor blocks onset time, and tourniquet pain was measured after tourniquet application at 5, 10, 20, and 30 min, and analgesic use were recorded during operation. After the tourniquet deflation, at 1, 30 min, and 2, 4 h, visual analogue scales score, the time to first analgesic requirement, total analgesic consumption in first 24 h, and side effects were noted. RESULTS: Sensory and motor block onset times were shorter and the recovery time prolonged in the Group L-IVRA compared with the other group (P=0.001). A decreased tourniquet pain, a prolonged time first analgesic requirement [229 (85) min vs 28 (20) and 95 (24) min, P=0.0038) and less postoperative analgesic requirements during 24 h were found in Group L-IVRA compared with the other groups (P<0.05). CONCLUSIONS: The addition of lornoxicam to lidocaine for intravenous regional anaesthesia shortens the onset of sensory and motor block, decreases tourniquet pain and improves postoperative analgesia without causing any side effect.


Assuntos
Anestesia Intravenosa/métodos , Anti-Inflamatórios não Esteroides/farmacologia , Lidocaína/farmacologia , Dor Pós-Operatória/prevenção & controle , Piroxicam/análogos & derivados , Adulto , Analgésicos Opioides/administração & dosagem , Anestésicos Locais/administração & dosagem , Anestésicos Locais/farmacologia , Anti-Inflamatórios não Esteroides/administração & dosagem , Método Duplo-Cego , Esquema de Medicação , Feminino , Fentanila/administração & dosagem , Antebraço/cirurgia , Mãos/cirurgia , Humanos , Lidocaína/administração & dosagem , Masculino , Pessoa de Meia-Idade , Movimento/efeitos dos fármacos , Medição da Dor , Piroxicam/administração & dosagem , Piroxicam/farmacologia , Estudos Prospectivos , Sensação/efeitos dos fármacos , Torniquetes/efeitos adversos
2.
Int J Dermatol ; 39(10): 754-9, 2000 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-11095194

RESUMO

BACKGROUND: Notalgia paresthetica is a sensory neuropathy involving the dorsal spinal nerves. The characteristic symptom is pruritus on the back, occasionally accompanied by pain, paresthesia, and/or hyperesthesia, which results in a well-circumscribed hyperpigmented patch in the symptomatic area. The etiology of this condition has not yet been completely defined. OBJECTIVE: Possible mechanisms that could explain the pathogenesis of notalgia paresthetica were investigated through clinical examination and various diagnostic tests. METHODS: Ten cases of notalgia paresthetica underwent dermatologic, neurologic, and orthopedic examination. This was followed by skin biopsy, electrodiagnostic investigation, and radiography of the spine. RESULTS: All patients had a typical symptomatology and dermatologic picture. Neurologic examination and standard electrodiagnostic investigation results were normal in all cases. Histopathology was compatible with postinflammatory hyperpigmentation; there were no amyloid deposits. In seven cases, degenerative changes in the vertebrae were observed and, in all of these cases, these changes were most prominent in the vertebrae which corresponded to the dermatome of the cutaneous lesion. CONCLUSIONS: The striking correlation of notalgia paresthetica localization with degenerative changes in the spine suggests that spinal nerve impingement may contribute to the pathogenesis of this entity.


Assuntos
Parestesia/etiologia , Adulto , Idoso , Dorso , Biópsia , Eletromiografia , Feminino , Humanos , Hiperpigmentação/complicações , Masculino , Pessoa de Meia-Idade , Prurido/complicações , Radiografia , Pele/patologia , Nervos Espinhais , Coluna Vertebral/diagnóstico por imagem
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