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Characteristics of Cricopharyngeal Dysphagia After Ischemic Stroke
Annals of Rehabilitation Medicine ; : 204-212, 2018.
Artículo en Inglés | WPRIM | ID: wpr-714281
ABSTRACT

OBJECTIVE:

To evaluate the characteristics of cricopharyngeal dysfunction (CPD), the frequency, and correlation with a brain lesion in patients with first-ever ischemic stroke, and to provide basic data for developing a therapeutic protocol for dysphagia management.

METHODS:

We retrospectively reviewed the medical records of a series of subjects post-stroke who underwent a videofluoroscopic swallowing study (VFSS) from January 2009 to December 2015. VFSS images were recorded on videotape and analyzed. CPD was defined as the retention of more than 25% of residue in the pyriform sinus after swallowing. The location of the brain lesion was assessed using magnetic resonance imaging.

RESULTS:

Among the 262 dysphagic patients with first-ever ischemic stroke, 15 (5.7%) showed CPD on the VFSS. Patients with an infratentorial lesion had a significantly higher proportion of CPD than those with a supratentorial lesion (p=0.003), and lateral medullary infarction was identified as the single independent predictor of CPD (multivariable

analysis:

odds ratio=19.417; confidence interval, 5.560–67.804; p < 0.0001). Compared to patients without CPD, those with CPD had a significantly prolonged pharyngeal transit time, lower laryngeal elevation, and a higher pharyngeal constriction ratio and functional dysphagia scale score.

CONCLUSION:

Overall, the results support the notion that an impaired upper esopharyngeal opening is likely related to the specific locations of brain lesions. The association of CPD with lateral medullary infarction can be explained based on the regulation of the pharyngolaryngeal motor system by the motor neurons present in the dorsal nucleus ambiguus. Overall, the results reveal the relation between CPD and the problems in the pharyngeal phase as well as the severity of dysphagia.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Músculos Faríngeos / Encéfalo / Bulbo Raquídeo / Imagen por Resonancia Magnética / Trastornos de Deglución / Registros Médicos / Estudios Retrospectivos / Grabación de Cinta de Video / Constricción / Accidente Cerebrovascular Tipo de estudio: Guía de Práctica Clínica / Estudio observacional / Estudio pronóstico Límite: Humanos Idioma: Inglés Revista: Annals of Rehabilitation Medicine Año: 2018 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Músculos Faríngeos / Encéfalo / Bulbo Raquídeo / Imagen por Resonancia Magnética / Trastornos de Deglución / Registros Médicos / Estudios Retrospectivos / Grabación de Cinta de Video / Constricción / Accidente Cerebrovascular Tipo de estudio: Guía de Práctica Clínica / Estudio observacional / Estudio pronóstico Límite: Humanos Idioma: Inglés Revista: Annals of Rehabilitation Medicine Año: 2018 Tipo del documento: Artículo