Gold J P, Canizaro P, Kazam E, Carter H B, Kuchta N, Shires G T
Surg Gynecol Obstet. 1985 Jul;161(1):5-8.
The results of this prospective clinical study have demonstrated a low rate of false-positive abdominal sonographic findings in patients undergoing routine studies the seventh day after abdominal surgical procedures. It is concluded that any intraperitoneal fluid collection detected by ultrasound examination in a patient postoperatively demonstrating signs and symptoms of abdominal sepsis (fever, leukocytosis, pain, tenderness, persistent ileus, excessive drainage, wound changes and so on), should be considered as the source, as abdominal fluid collections do not persist as a "normal" part of the healing process one week after extensive biliary tract or colonic operations. Sonography is a highly specific procedure for the detection of abdominal abscesses after the seventh postoperative day. The type of procedure, type of incision, type of closure, presence of drains, history of prior intraperitoneal surgical procedures and operative blood loss did not affect the accuracy of the test. Postoperative ultrasonography is a specific, sensitive and accurate test and is widely applicable to almost all groups of patients.
这项前瞻性临床研究结果表明，在腹部外科手术后第七天接受常规检查的患者中，腹部超声检查的假阳性结果发生率较低。得出的结论是，对于术后出现腹部脓毒症体征和症状（发热、白细胞增多、疼痛、压痛、持续性肠梗阻、引流过多、伤口变化等）的患者，超声检查发现的任何腹腔内积液都应被视为病因，因为在广泛的胆道或结肠手术后一周，腹腔积液不会作为愈合过程的“正常”部分持续存在。超声检查是术后第七天检测腹部脓肿的高度特异性检查方法。手术类型、切口类型、缝合类型、引流管的存在、既往腹腔内手术史和术中失血量均不影响检查的准确性。术后超声检查是一种特异性、敏感性和准确性都很高的检查，几乎适用于所有患者群体。
