Measurement of Intra-abdomonal Pressutre (IAP) inn trauma patients.

To study the measurement of intra-abdominal pressure by urinary catheter, we use Y glass tube connected with Foley catheter. The bladder and catheter was filled with 70 ml. NSS. The height of NSS from pubic symphysis was interpreted as intra-abdominal pressure (IAP). We measured IAP of 20 trauma patients with normal abdominal condition. The average IAP was 3.9 cm H2O. The clinical consequences of elevated IAP will be in the future study.