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Oro-facial motor assessment: validation of the MBLF protocol in facial palsy

  • Otology
  • Published:
European Archives of Oto-Rhino-Laryngology Aims and scope Submit manuscript

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.

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Authors and Affiliations

  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, Elodie Lannadere, Rémi Hervochon, Georges Lamas, Frédéric Tankere & Peggy Gatignol

  2. Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Paris, France

    Diane Picard & Peggy Gatignol

  3. Service de Psychiatrie de l’Enfant et de l’Adolescent, Hôpital Universitaire Pitié-Salpêtrière, AP-HP, Paris, France

    Estelle Robin

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  1. Diane Picard
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  2. Elodie Lannadere
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  3. Estelle Robin
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  4. Rémi Hervochon
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  5. Georges Lamas
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  7. Peggy Gatignol
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Corresponding author

Correspondence to Diane Picard.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institution or practice at which the studies were conducted [CPP number: 2018T2-09 (2018-A01043-52)].

Informed consent

Recruitment was based on a voluntary basis and oral consent to participate in the research was given prior to the start of the protocol. Patients with FP gave oral consent of non-opposition to the processing of their medical data. As part of their clinical routine, patients who have signed an informed consent to use their image.

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Picard, D., Lannadere, E., Robin, E. et al. Oro-facial motor assessment: validation of the MBLF protocol in facial palsy. Eur Arch Otorhinolaryngol 278, 1017–1025 (2021). https://doi.org/10.1007/s00405-020-06150-0

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  • DOI: https://doi.org/10.1007/s00405-020-06150-0

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