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Effective doses of cisatracurium in the adult and the elderly / 대한마취과학회지
Korean Journal of Anesthesiology ; : 453-459, 2016.
Artículo en Inglés | WPRIM | ID: wpr-47239
ABSTRACT

BACKGROUND:

There are few information about the differences of the effective dose (ED) of cisatracurium between the adult and the elderly. We investigated the ED and the onset time of cisatracurium in the adults and the elderly.

METHODS:

We studied two hundred patients of the adults aged 20 through 64 years and the elderly aged ≥ 65 years, with American Society of Anesthesiologists physical status I or II. Each 100 patients with 20 patients of each dose group, randomly selected from 30, 40, 50, 60 or 70 µg/kg of cisatracurium, were randomly allocated to the adults and the elderly groups. We recorded the 0.1 Hz single twitch responses of the adductor pollicis and the onset times to maximal blockade. The magnitude of muscle relaxation was recorded by using an acceleromyography. The effect of cisatracurium on single twitch was calculated as percent reduction. After converting each drug dose into logarithm and percent reduction of the muscle reduction into probit, the EDs representing the muscle relaxation effects of 5%, 25%, 50%, 75% and 95% were estimated using the linear regression analysis.

RESULTS:

No significant differences were found in age, weight, height, or body mass index within or between the groups. The ED₅₀ and ED₉₅ of the adult group were 35.39 and 59.58 µg/kg. The ED₅₀ and ED₉₅ of the elderly group were 34.89 and 55.50 µg/kg, respectively. The onset times were 375.4 ± 76.9 seconds in the adult group and 369.1 ± 70.0 seconds in the elderly group.

CONCLUSIONS:

The ED and the onset time were not significantly different between the adult and the elderly.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Índice de Masa Corporal / Modelos Lineales / Relajación Muscular Límite: Adulto / Anciano / Humanos Idioma: Inglés Revista: Korean Journal of Anesthesiology Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Índice de Masa Corporal / Modelos Lineales / Relajación Muscular Límite: Adulto / Anciano / Humanos Idioma: Inglés Revista: Korean Journal of Anesthesiology Año: 2016 Tipo del documento: Artículo