Anthropometric Angular Measurement to Determine Muscle Tonus in Patients With Peripheral Facial Paralysis

The current study sought to determine the reliability of the rehabilitation protocol using the labial commissure angle (LCA) as an indicator of both muscle tonus and therapeutic success. The investigators hypothesized that this measurement would provide objective data regarding the efficacy of rehabilitation for these challenging patients.

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Key information

Conditions

Peripheral Facial Paralysis Facial Paralysis Mouth Diseases Nervous System Diseases Neurologic Manifestations Paralysis Pathological Conditions, Signs and Symptoms Signs and Symptoms Stomatognathic Diseases

Age range

20 year–70 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Universidade estadual de Campinas

Campinas, São Paulo, 13081-970, Brazil

About this study

CONTEXT AND OBJECTIVE: In cases of peripheral facial paralysis (PFP), diminished facial movements and their resultant cosmetic sequelae may have significant emotional repercussions, in addition to producing pronounced functional deficits. Abnormal muscle proprioception and deviation of the nasal-labial filter may also interfere with articulation of the labiodental and bilabial phonemes, thus diminishing speech intelligibility. In relation to stomatognathic functions, weakened labial occlusion decreases intraoral pressure, thereby hindering liquid retention in the buccal cavity and giving rise to vestibular stasis on the paralyzed side. The aim of this study was to evaluate the reliability of the labial commissure angle (LCA) as an anthropometric marker for objectively assessing changes in facial muscle tonus.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

age range between 20 and 70 years
incomplete PFP (Degree IV)
integral facial nerve (FN)

Exclusion criteria

systemic disease
potentially aggravating the PFP (neurological, degenerative, endocrinological)

Sponsors and collaborators

Lead sponsor

University of Campinas, Brazil

Other

Registry information

Acronym: PF

Important dates

Study start: 2005
Primary completion: 2005
Study completion: 2006
First posted: May 18, 2009
Registry last updated: May 18, 2009

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed