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  • Title: The value of intraoperative laparoscopic examination of the contralateral inguinal ring during hernia repair in children.
    Author: Birk D, Formentini A, Poch B, Kunz R, Beger HG.
    Journal: J Laparoendosc Adv Surg Tech A; 1998 Dec; 8(6):373-9. PubMed ID: 9916590.
    Abstract:
    Approximately 40% of children with a clinical unilateral inguinal hernia display a patent processus vaginalis on the contralateral side; half of these children subsequently develop an inguinal hernia. The management of this problem is still controversial. Different strategies to identify patients who profit from an open contralateral exploration have been applied (diagnostic pneumoperitoneum, herniography, ultrasound). The purpose of this study was to evaluate the usefulness of intraoperative laparoscopy in a no-puncture technique through the opened hernia sack. In 75 children (age 6 months to 7 years) with clinical unilateral hernia laparoscopy (5-mm Laparoscope, 30 degrees and 70 degrees ), in cases of wide-open contralateral internal inguinal ring (Type III) an open surgical exploration was performed. Twelve patients (17%) fulfilled the laparoscopic criteria of a Type III ring. The diagnose was confirmed during open contralateral exploration. Seven children (8%) showed a patent but small processus vaginalis with a shallow internal ring. These patients were treated conservatively. In the follow-up period (median 6 months) one subsequent hernia developed. There was no technical failure, and no associated complications were seen. The median time for laparoscopy was 6 minutes. Intraoperative laparoscopy during unilateral hernia repair allows the identification of patients who profit from bilateral open surgery during the same operation with little additional operating time, and so far with no resulting complications. Application of this method may avoid a second hospitalization and operation as well as unnecessary routine bilateral open exploration. As an additional source of information through excellent visualization of the abdominal cavity, this method proved helpful to examine the incarcerated bowel after repositioning.
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