American Society of Anesthesiology Classification

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American Society of Anesthesiology Classification

A system used by anesthesiologists to stratify severity of patients' underlying disease and potential for suffering complications from general anesthesia
American Society of Anesthesiology patient classification status
ASA I
Normal healthy Pt
ASA II
Pt with mild systemic disease; no functional limitation–eg, smoker with well-controlled HTN
ASA III
Pt with severe systemic disease; definite functional impairment–eg, DM and angina with relatively stable disease, but requiring therapy
ASA IV
Pt with severe systemic disease that is a constant threat to life–eg, DM + angina + CHF; Pts have dyspnea on mild exertion and chest pain
ASA V
Unstable moribund Pt who is not expected to survive 24 hours with or without the operation
ASA VI
Brain-dead Pt whose organs are removed for donation to another
E
Emergency operation of any type, which is added to any of the 6 above categories, as in ASA II E
References in periodicals archive ?
Hastalar en cok ASA II ve ASA III grubunda yeralmaktaydi (Tablo 1).
Bu anlamli farklilik acil LK yapilan hastalarin %67,4 oraninda ASA III grubunda yer almasi ve yandas hastaliklarin daha kontrolsuz olmasi ile aciklanabilir.
Serious adverse events were classified as ASA II (n = 1), ASA III (n = 4) and ASA IV (n = 1).
The other four patients suffering from serious adverse events who recovered spontaneous circulation and breathing as a result of cardiopulmonary resuscitation had been previously classified as ASA II (n = 1) and ASA III (n=3).
Exclusion criteria were patients not willing for study, ASA III and above, obstetric complications, cardiovascular diseases allergic disorders, short stature extremely obese, previous LSCS, etc.
Usually, patients with ASA grades I, II, and well controlled ASA III are selected for day care procedures.
Con respecto a la clasificacion de la ASA, Michel y colaboradores (26) afirman que los pacientes con ASA III y IV tienen mayor tasa de morbilidad y mortalidad que aquellos con ASA I y II con diferencias marcadas que oscilan entre 8% y 40%.
Dentre estes, o risco para pacientes ASA I e II foi de 0,05% em caes e 0,11% em gatos; ja para pacientes ASA III a V, esse indice foi de 1,33% para caes e 1,40% para gatos.
Apesar de alguns dos estudos citados anteriormente terem apresentado um indice de mortalidade consideravelmente menor, e interessante observar que os animais foram divididos em dois grupos de acordo com a sua classificacao ASA, sendo que, em um grupo, foram enquadrados os animais higidos, ou seja, os classificados como ASA I e II, e, no outro, os animais portadores de alguma enfermidade, classificados como ASA III, IV e V CLARKE & HALL (1990) realizaram essa divisao, classificando os grupos como A e B, respectivamente.
Aunque los grupos eran heterogeneos, no se encontraron diferencias significativas en el rango de edad 41-50 anos (p = 0,45), el estado fisico ASA III (p = 0,36) y la frecuencia de sobrepeso (p = 0,17).
El estado fisico ASA III constituye un factor de riesgo relacionado con complicaciones en el postoperatorio, como se muestra en la tabla 3, con OR positiva y limites de confianza alejados de 1 (OR = 4,5; IC95%, 1,07-19,6; p = 0,039).