预防性使用抗生素对预防手术部位感染是有效的，通常在手术开始前1小时给予。

Prophylactic antibiotics are effective in preventing surgical site infections. The protocol should be to administer the antibiotics one hour before the surgical incision is made.

youdao

预防性使用抗生素对预防手术部位感染是有效的，通常在手术开始前1小时给予。

Prophylactic antibiotics are effective in preventing surgical site infections. The protocol should be to administer the antibiotics one hour before the surgical incision is made.

youdao