Dysfunction of the temporalis muscle after pterional craniotomy for intracranial aneurysms: comparative, prospective and randomized study of one flap versus two flaps dieresis Disfunção do músculo temporal após craniotomia pterional para tratamento de aneurismas intracranianos: estudo comparativo, prospectivo e aleatório da diérese em camada única versus camada dupla

Patients with intracranial aneurysm(s) of the carotid artery territory, treated with pterional craniotomy, were prospectively and randomly addressed to one layer flap (n=36) or myocutaneous (MC) versus two layers' dieresis (n=32) or interfascial (IF). The study protocol included the patient...

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Veröffentlicht in:Arquivos de neuro-psiquiatria 1998-06, Vol.56 (2), p.200-205
Hauptverfasser: FRANCISCO CARLOS DE ANDRADE JR, FRANCISCO CARLOS DE ANDRADE, CELSO MACHADO DE ARAUJO FILHO, JOSÉ CARCAGNOLO FILHO
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Sprache:eng
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Zusammenfassung:Patients with intracranial aneurysm(s) of the carotid artery territory, treated with pterional craniotomy, were prospectively and randomly addressed to one layer flap (n=36) or myocutaneous (MC) versus two layers' dieresis (n=32) or interfascial (IF). The study protocol included the patient's sex, age, area of craniotomy, time of flap dieresis and synthesis, time of bone dieresis and synthesis, the intracranial time, including dura mater dieresis and synthesis and time of flap retraction. Before and after surgery, the patients were evaluated with examination specially oriented to V and VII cranial nerves, bi-temporal diameter measurement, the symmetry of the temporal region, tempora-mandibularis joint (TMJ) movements and cranial CT scan. The evaluations of the TMJ dysfunctions were postoperative pain, movement limitations at mastication, occlusion, mouth aperture and lateral movements of the jaw. The statistical analysis showed that the incidence of pain at TMJ and moderate and severe temporalis muscle atrophy was observed, comparing MC and IF, and there were significant differences among these ones, being greater in IF group. We concluded that both techniques permit equivalent access to the studied intracranial aneurysm(s), and the atrophy of temporalis muscle, pain and movement limitations of the temporomandibularis joint were prevalent, worse and more long-lasting in two-layers flap dieresis than in one-layer flap dieresis.Pacientes com aneurisma(s) intracraniano(s) foram tratados pela via pterional e de modo prospectivo e aleatório submetidos às variantes técnicas, miocutânea (MC)(n=36) ou em retalho único e interfascial (IF) (n=32) ou em retalho duplo. No protocolo foram anotados o sexo, idade, área da craniotomia, período de diérese e síntese do retalho, período de diérese e síntese óssea, o período do procedimento intracraniano, incluindo o tempo de diérese e síntese da dura-máter e o período de retração do retalho. Os pacientes foram avaliados antes e após cirurgia, com exame neurológico especialmente orientado para o V e VII pares de nervos cranianos, medida do diâmetro bi-temporal, simetria das regiões temporais, movimentação da articulação temporomandibular (ATM) e tomografia computadorizada de crânio. A ATM foi avaliada em relação a dor articular pós-operatória, limitação dos movimentos a mastigação, oclusão, abertura da boca e movimentos laterais da mandíbula. A análise estatística mostrou que a incidência de dor na ATM e atrofia temporal mode
ISSN:0004-282X
1678-4227
DOI:10.1590/S0004-282X1998000200006