Diane Picard1,2, Elodie Lannadere3, Estelle Robin4, Rémi Hervochon3, Georges Lamas3, Frédéric Tankere3, Peggy Gatignol3,5. 1. Service d'ORL, ENT Dpt Pr Tankéré, Hôpital Universitaire Pitié-Salpêtrière, AP-HP, 47-83 Bd de l'Hôpital, 75651, Paris Cedex 13, France. diane.picard@aphp.fr. 2. Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Paris, France. diane.picard@aphp.fr. 3. Service d'ORL, ENT Dpt Pr Tankéré, Hôpital Universitaire Pitié-Salpêtrière, AP-HP, 47-83 Bd de l'Hôpital, 75651, Paris Cedex 13, France. 4. Service de Psychiatrie de l'Enfant et de l'Adolescent, Hôpital Universitaire Pitié-Salpêtrière, AP-HP, Paris, France. 5. Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Paris, France.
Abstract
BACKGROUND: Oro-facial myofunctional praxis assesses the muscular coordination and the degree of motor impairment of the lingual, mandibular and facial muscles necessary for articulation, mimicry and swallowing. PURPOSE: The objective of this study was to create and validate the MBLF protocol, a French oro-facial myofunctional assessment in order to quantify patient's impairment and to specify the motor and functional deficit for an adapted management. METHODS: The MBLF was validated against the Sunnybrook Facial Grading System (criterion validity). The construct validity was tested by comparing healthy subjects (n = 102) from patients with facial palsy (n = 60). Internal and external consistency of face symmetry were reported. Normative data was provided. RESULTS: There was a statistically significant correlation between the MBLF protocol and the Sunnybrook Facial Grading System [F(59) = 310.51, p < 0.001, R2 = 0.843]. Significant differences were observed in Student's t test between healthy volunteers and patients with facial palsy [t(74.13) = 14,704, p < 0.001, r = 0.863]. A significant effect of the severity grades of facial palsy on the MBLF_TOTAL scores was found [F(158) = 268.469, p < 0.001]. The more severe the facial palsy, the lower the motor scores were. CONCLUSION: This MBLF French validation provides a baseline for comparing and quantifying the performance of subjects. The MBLF protocol is valid for assessing facial symmetry in peripheral facial palsy. A prospective study is needed to validate its role in dynamic evaluation of facial palsy.
BACKGROUND: Oro-facial myofunctional praxis assesses the muscular coordination and the degree of motor impairment of the lingual, mandibular and facial muscles necessary for articulation, mimicry and swallowing. PURPOSE: The objective of this study was to create and validate the MBLF protocol, a French oro-facial myofunctional assessment in order to quantify patient's impairment and to specify the motor and functional deficit for an adapted management. METHODS: The MBLF was validated against the Sunnybrook Facial Grading System (criterion validity). The construct validity was tested by comparing healthy subjects (n = 102) from patients with facial palsy (n = 60). Internal and external consistency of face symmetry were reported. Normative data was provided. RESULTS: There was a statistically significant correlation between the MBLF protocol and the Sunnybrook Facial Grading System [F(59) = 310.51, p < 0.001, R2 = 0.843]. Significant differences were observed in Student's t test between healthy volunteers and patients with facial palsy [t(74.13) = 14,704, p < 0.001, r = 0.863]. A significant effect of the severity grades of facial palsy on the MBLF_TOTAL scores was found [F(158) = 268.469, p < 0.001]. The more severe the facial palsy, the lower the motor scores were. CONCLUSION: This MBLF French validation provides a baseline for comparing and quantifying the performance of subjects. The MBLF protocol is valid for assessing facial symmetry in peripheral facial palsy. A prospective study is needed to validate its role in dynamic evaluation of facial palsy.
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