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Assessment of operative times of multiple surgical specialties in a public university hospital.

Einstein 2017 April
OBJECTIVE: To evaluate the indicators duration of anesthesia, operative time and time patients stay in the operating rooms of different surgical specialties at a public university hospital.

METHODS: It was done by a descriptive cross-sectional study based on the operating room database. The following stages were measured: duration of anesthesia, procedure time and patient length of stay in the room of the various specialties. We included surgeries carried out in sequence in the same room, between 7:00 a.m. and 5 p.m., either elective or emergency. We calculated the 80th percentile of the stages, where 80% of procedures were below this value.

RESULTS: The study measured 8,337 operations of 12 surgical specialties performed within one year. The overall mean duration of anesthesia of all specialties was 178.12±110.46 minutes, and the 80th percentile was 252 minutes. The mean operative time was 130.45±97.23 minutes, and the 80th percentile was 195 minutes. The mean total time of the patient in the operating room was 197.30±113.71 minutes, and the 80th percentile was 285 minutes. Thus, the variation of the overall mean compared to the 80th percentile was 41% for anesthesia, 49% for surgeries and 44% for operating room time. In average, anesthesia took up 88% of the operating room period, and surgery, 61%.

CONCLUSION: This study identified patterns in the duration of surgery stages. The mean values of the specialties can assist with operating room planning and reduce delays.

OBJETIVO: Avaliar os indicadores de tempo da anestesia, da operação e da permanência do paciente em sala de diversas especialidades do centro cirúrgico de um hospital universitário.

MÉTODOS: Foi realizado em estudo descritivo transversal a partir da base de dados do centro cirúrgico e mensuradas as seguintes etapas: duração de anestesia, tempo do procedimento e tempo de permanência do paciente em sala das diversas especialidades. Foram incluídas as operações realizadas em sequência na mesma sala, das 7h às 17h, eletivas ou de urgências. Realizamos o calculo do percentil 80 da duração das etapas, onde 80% dos procedimentos ficaram abaixo deste valor obtido.

RESULTADOS: O estudo incluiu 8.337 operações realizadas no período de 1 ano de 12 especialidades cirúrgicas. A média geral da duração da anestesia de todas as especialidades foi de 178,12±110,46 minutos, e o percentil 80 foi de 252 minutos. A média do tempo operatório foi 130,45±97,23 minutos, e o percentil 80 foi de 195 minutos. A média do tempo total do paciente em sala operatória foi de 197,30±113,71 minutos, e o percentil 80 foi de 285 minutos. A variação da média geral em relação ao percentil 80 foi de 41% na anestesia, 49% nas operações e 44% no tempo de sala. Na média geral, a anestesia ocupou 88% do tempo de sala e a operação, 61%.

CONCLUSÃO: Este estudo identificou padrões nas durações das etapas das operações. A informação das médias históricas das especialidades pode auxiliar no planejamento do centro cirúrgico e diminuir os atrasos.

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