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Rev. bras. ortop ; 48(3): 257-262, May/June/2013. tab
Article in English | LILACS | ID: lil-680870

ABSTRACT

OBJECTIVE: to compare the laboratorial results of opening suction drainage 6 hours and 12 hours after total knee arthroplasty surgery. METHODS: prospective and randomized study in 88 patients undergoing with total knee arthroplasty in two groups: in one group the opening suction drainage was performed 6 hours (n = 45) after the surgery and in the other 12 hours (n = 43) after the surgery. RESULTS : the outcome was a significant fall in the three laboratorial variables (hemoglobin, red blood cells and hematocrit) between the pre and post-operative in the total sample and in the six and 12 hour opening suction drainage groups. In the group with opening suction drainage after 12 hours, the drainage volume was significantly lower than in the group with opening suction drainage after 6 hours (p = 0.0003). However, no significant difference was observed in the absolute delta of the laboratorial variables between the two groups. CONCLUSION: the opening suction drainage in six and 12 hours did not show significant difference from the laboratorial values although the volume of the blood drained was higher in the opening suction drainage in six hours. .


OBJETIVO: Comparar os resultados laboratoriais da abertura do dreno seis e 12 horas após a cirurgia de artroplastia total do joelho. MÉTODOS : Estudo prospectivo e randomizado em 88 pacientes tratados com artroplastia total do joelho com implante em dois grupos: um com abertura do dreno seis horas (n = 45) após a cirurgia e outro, 12 horas (n = 43) após a cirurgia. RESULTADOS : Existe uma queda significativa nas três variáveis laboratoriais (hemoglobina, hemácias e hematócrito) entre o pré e o pósoperatório na amostra total e nos grupos de tempo de abertura do dreno às seis e 12 horas. O grupo com tempo de abertura após 12 horas apresentou volume do dreno significativamente menor do que o grupo com tempo de abertura após 6 horas (p = 0,0003). Contudo, não foi verificada diferença significativa no delta absoluto das variáveis laboratoriais entre os dois grupos. CONCLUSÃO : A abertura do dreno em seis e 12 horas não demonstrou diferença significativa dos valores laboratoriais. Porém, o volume de sangue drenado foi maior com abertura do dreno após seis horas. .


Subject(s)
Humans , Male , Female , Middle Aged , Aged, 80 and over , Arthroplasty, Replacement, Knee , Soil Flood-Bypass Channel , Prostheses and Implants
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