Possible difficult laryngoscopy caused by masticatory muscle tendon-aponeurosis hyperplasia: we anesthesiologists should be aware of this disease |
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Authors: | Satoki Inoue Ikumi Yamamoto Shinichi Ikeda Masahiko Kawaguchi Tetsuji Kawakami Tadaaki Kirita Hitoshi Furuya |
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Affiliation: | 1.Department of Anesthesiology,Nara Medical University,Kashihara,Japan;2.Department of Oral and Maxillofacial Surgery,Nara Medical University,Kashihara,Japan |
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Abstract: | Masticatory muscle tendon-aponeurosis hyperplasia (MMTAH) is a new disease entity characterized by limited mouth opening due to contracture of the masticatory muscles resulting from hyperplasia of tendons and aponeuroses. The other clinical feature is that the face of the patient with this disease displays a square mandible configuration. Muscle relaxants provide no relief for the limited mouth-opening ability. Anesthesiologists need to suspect difficult airway when patients have limited mouth opening with square mandible configuration. MMTAH can therefore be a possible cause of difficult intubation. |
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