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  • Title: Preliminary experience with a new approach for infantile hypertrophic pyloric stenosis: the single-port, laparoscopic-assisted pyloromyotomy.
    Author: Bertozzi M, Prestipino M, Nardi N, Appignani A.
    Journal: Surg Endosc; 2011 Jun; 25(6):2039-43. PubMed ID: 21136088.
    Abstract:
    BACKGROUND: Ramstedt pyloromyotomy is still the procedure of choice for infantile hypertrophic pyloric stenosis; however, the best way to approach the pylorus is debated. Recent literature reports many comparisons between various open approaches and laparoscopic one. The purpose of this preliminary experience is to show a new approach to infantile hypertrophic pyloric stenosis: single-port, laparoscopic-assisted pyloromyotomy. METHODS: Nineteen infants underwent single-port laparoscopic-assisted pyloromyotomy. The approach to the abdominal cavity is performed through a right circumbilical incision, and then a 12-mm trocar is inserted. After the pneumoperitoneum is established, an operative telescope is introduced. Once the telescope is inserted, the pylorus is easily located, and then grasped and exteriorized via the umbilical incision. At this point, conventional Ramstedt pyloromyotomy is performed. Once the pylorus is reintroduced in the abdomen, a new pneumoperitoneum is created to control mucosal integrity and hemostasis. A retrospective statistical analysis was performed to compare patients who underwent this technique to others approached by the same team with right upper quadrant incision or right semicircular umbilical skin-fold incision. RESULTS: In all 19 cases, adequate pyloromyotomy was performed in a good ranging time without any intra- or post-operative complications, achieving excellent early cosmetic results. CONCLUSIONS: The feasibility of single-port, laparoscopic-assisted pyloromyotomy obtained in this small sample suggests that this procedure could be an excellent alternative to open or laparoscopic pyloromyotomy as long as it acts as intermediary between the two techniques.
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