M.I. Barradas-Hernández, Subdirección de Audiología, Foniatría y Patología del Lenguaje, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México, México
Laura M. Solano-Macip, Subdirección de Audiología, Foniatría y Patología del Lenguaje, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México, México
M. Luz Arenas-Sordo, Departamento de Genética, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México, México
Emilio Arch-Tirado, Centro Neurológico, Centro Médico ABC Sede Santa Fe, Ciudad de México, México
Ana L. Lino-González, Subdirección de Investigación Biomédica, Área de Neurociencias Clínica, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México, México
Objective: To describe the auditory function in a sample of patients with ankylosing spondylitis and to determine the conditional probability of occurrence among variables related to auditory characteristics through joint probability analysis. Methods: This was a cross-sectional and descriptive study. Sociodemographic and auditory characteristics were collected from 49 patients. Descriptive analysis and probabilistic intersection analysis were conducted to determine the joint probability between variables. Results: Superficial hearing loss was observed in 22.4%, a decline in high frequencies in 20.4%, a sensorineural hearing loss pattern in 47% of right ears and 49% of left ears, As-type tympanograms in 49% of right ears and 57.1% of left ears, and absence of ipsilateral stapedius reflexes (predominantly in the left ear) in 55.1%. Transient otoacoustic emissions exhibited inadequate reproducibility, particularly 4000 and 1000 Hz, in both ears, with tinnitus being the most common audiovestibular symptom (36.7%). The joint probability that a patient is male, has ankylosing spondylitis with 10 years of disease progression, and presents a sensorineural hearing loss pattern in either the right or left ear, is 27.7%. Conclusions: Sensorineural hearing loss is highly prevalent among patients with ankylosing spondylitis. The duration of the disease is a significant factor influencing the presentation of hearing loss and audiovestibular symptoms.
Keywords: Ankylosing spondylitis. Auditory function. Earing loss. Audiovestibular symptoms. Joint probability. Conditional probability.