{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T06:00:27Z","timestamp":1785218427228,"version":"3.55.0"},"reference-count":20,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:00:00Z","timestamp":1785196800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pediatr."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>This study assesses the clinical effectiveness and technical expertise associated with laparoscopic pyloromyotomy (LP) carried out using conventional instruments for the treatment of congenital hypertrophic pyloric stenosis (CHPS) in infants.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We carried out a retrospective analysis of 24 patients who were diagnosed with CHPS at the Department of Pediatric Surgery, Mianyang Central Hospital, from March 2022 to December 2025. The cohort consisted of 19 boys and 5 girls, having a median age of 41 days (range: 13\u2013123 days) and a mean weight of 3.83\u2009\u00b1\u20090.75\u2005kg (range: 2.1\u20135.0\u2005kg). All patients presented non-bilious vomiting as the primary symptom. Every patient underwent laparoscopic pyloromyotomy using conventional laparoscopic instruments.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Surgical procedures were successfully accomplished in all 24 cases, without the need for conversion to open surgery. The median operative time was 30\u2005min (range: 13\u201360\u2005min). All patients resumed oral feeding on the first postoperative day. Three patients (12.5%) suffered from mild and transient vomiting, which lasted for 2 days, 3 days, and 1 week respectively. These symptoms resolved spontaneously after conservative management, specifically by reducing the feeding volume and increasing the feeding frequency, without the necessity of further intervention. No other complications were detected. The postoperative hospital stay length ranged from 1 to 5 days. The follow - up durations varied from 2 months to 3 years and 11 months, during which all patients showed symptom resolution and normal growth patterns.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Laparoscopic pyloromyotomy performed with conventional instruments is a safe and effective intervention for infants suffering from hypertrophic pyloric stenosis. This technique presents the advantages of minimal invasiveness, procedural simplicity, and low complication rates, thus standing as a viable option for extensive clinical application.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fped.2026.1855195","type":"journal-article","created":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T05:37:54Z","timestamp":1785217074000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Feasibility and safety of laparoscopic pyloromyotomy using conventional instruments for infantile hypertrophic pyloric stenosis: a retrospective analysis"],"prefix":"10.3389","volume":"14","author":[{"given":"Lirong","family":"Zhang","sequence":"first","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Song","sequence":"additional","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunfeng","family":"Xiao","sequence":"additional","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quankun","family":"Zhou","sequence":"additional","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Yang","sequence":"additional","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Xiang","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery, West China Hospital, Sichuan University","place":["Chengdu, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhoujian","family":"Yang","sequence":"additional","affiliation":[{"name":"Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China","place":["Mianyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,7,28]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"103090","DOI":"10.1016\/j.epsc.2025.103090","article-title":"Early-onset infantile hypertrophic pyloric stenosis: a case report","volume":"121","author":"Tilahun","year":"2025","journal-title":"J Pediatr Surg Case Rep"},{"key":"B2","doi-asserted-by":"publisher","first-page":"e98606","DOI":"10.7759\/cureus.98606","article-title":"Hypertrophic pyloric stenosis in a four-week-old infant: radiological diagnosis and pitfalls","volume":"17","author":"Pokhrel","year":"2025","journal-title":"Cureus"},{"key":"B3","doi-asserted-by":"publisher","first-page":"715","DOI":"10.1016\/j.mpsur.2025.10.004","article-title":"Infantile hypertrophic pyloric stenosis","volume":"43","author":"Fawkner-Corbett","year":"2025","journal-title":"Surgery (Oxford)"},{"key":"B4","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1080\/00015458.2025.2586864","article-title":"Recurrent hypertrophic pyloric stenosis, diagnosis and early surgery: a comprehensive review","volume":"126","author":"Schils","year":"2025","journal-title":"Acta Chir Belg"},{"key":"B5","doi-asserted-by":"publisher","first-page":"51","DOI":"10.21608\/aimj.2025.446607","article-title":"Laparoscopic vs open pyloromyotomy for treatment of infantile hypertrophic pyloric stenosis","volume":"2025","author":"Akl","year":"2025","journal-title":"Al-Azhar Int Med J"},{"key":"B6","doi-asserted-by":"publisher","first-page":"1455","DOI":"10.1089\/lap.2021.0370","article-title":"Return of the banana knife: an alternative instrument for laparoscopic pyloromyotomy","volume":"31","author":"Grant","year":"2021","journal-title":"J Laparoendosc Adv Surg Tech A"},{"key":"B7","doi-asserted-by":"publisher","first-page":"1248","DOI":"10.1089\/lap.2020.0478","article-title":"Single-site umbilical laparoscopic pyloromyotomy using a pyloric electrocoagulation chisel combined with a left-handed main operation for congenital hypertrophic pyloric stenosis","volume":"30","author":"Yu","year":"2020","journal-title":"J Laparoendosc Adv Surg Tech A"},{"key":"B8","doi-asserted-by":"publisher","first-page":"124","DOI":"10.3390\/pediatric17060124","article-title":"Minimally invasive versus open pyloromyotomy for infantile hypertrophic pyloric stenosis: insights from an updated systematic review and meta-analysis","volume":"17","author":"Al-Ansari","year":"2025","journal-title":"Pediatr Rep"},{"key":"B9","doi-asserted-by":"publisher","first-page":"1030","DOI":"10.32322\/jhsm.1773064","article-title":"Evaluation of clinical and laboratory findings in cases of infantile hypertrophic pyloric stenosis","volume":"8","author":"Kurt","year":"2025","journal-title":"J Health Sci Med"},{"key":"B10","doi-asserted-by":"publisher","first-page":"16","DOI":"10.4081\/pmc.2020.243","article-title":"Guidelines of the Italian Society of Videosurgery (SIVI) in infancy for the minimally invasive treatment of hypertrophic pyloric stenosis in neonates and infants","volume":"42","author":"Chiarenza","year":"2020","journal-title":"Pediatr Med Chir"},{"key":"B11","first-page":"223","article-title":"Extra-mucosa pylorotomy by laparoscopy","volume":"31","author":"Alain","year":"1990","journal-title":"Chir Pediatr"},{"key":"B12","doi-asserted-by":"publisher","first-page":"37","DOI":"10.1016\/0022-3468(95)90604-5","article-title":"Early experience with laparoscopic pyloromyotomy for infantile hypertrophic pyloric stenosis","volume":"30","author":"Najmaldin","year":"1995","journal-title":"J Pediatr Surg"},{"key":"B13","doi-asserted-by":"publisher","first-page":"162073","DOI":"10.1016\/j.jpedsurg.2024.162073","article-title":"Long-term gastrointestinal sequelae in children who underwent pyloromyotomy for infantile hypertrophic pyloric stenosis","volume":"60","author":"van den Bunder","year":"2025","journal-title":"J Pediatr Surg"},{"key":"B14","doi-asserted-by":"publisher","first-page":"14","DOI":"10.4103\/ajps.AJPS_119_20","article-title":"Laparoscopic pyloromyotomy for congenital hypertrophic pyloric stenosis: our experience with twenty cases","volume":"18","author":"Ramji","year":"2021","journal-title":"Afr J Paediatr Surg"},{"key":"B15","doi-asserted-by":"publisher","first-page":"932","DOI":"10.1016\/j.jpedsurg.2021.12.041","article-title":"Laparoscopic versus open pyloromyotomies: outcomes and disparities in pyloric stenosis","volume":"57","author":"Gilna","year":"2022","journal-title":"J Pediatr Surg"},{"key":"B16","doi-asserted-by":"publisher","first-page":"1149355","DOI":"10.3389\/fped.2023.1149355","article-title":"Nationwide trends of laparoscopic pyloromyotomy in patients with infantile hypertrophic pyloric stenosis in Germany: a slow path forward","volume":"11","author":"Leonhardt","year":"2023","journal-title":"Front Pediatr"},{"key":"B17","doi-asserted-by":"publisher","first-page":"152","DOI":"10.2478\/folmed-2018-0057","article-title":"Minimally invasive supraumbilical approach for pyloromyotomy","volume":"61","author":"Simeonov","year":"2019","journal-title":"Folia Med (Plovdiv)"},{"key":"B18","doi-asserted-by":"publisher","first-page":"363","DOI":"10.1097\/01.sla.0000234647.03466.27","article-title":"Open versus laparoscopic pyloromyotomy for pyloric stenosis: a prospective, randomized trial","volume":"244","author":"St. Peter","year":"2006","journal-title":"Ann Surg"},{"key":"B19","doi-asserted-by":"publisher","first-page":"162668","DOI":"10.1016\/j.jpedsurg.2025.162668","article-title":"Four eyes principle reduces Re-operation rate in converting phase from open to laparoscopic pyloromyotomy","volume":"60","author":"Meyer","year":"2025","journal-title":"J Pediatr Surg"},{"key":"B20","doi-asserted-by":"publisher","first-page":"5101","DOI":"10.1007\/s00464-023-09962-3","article-title":"Evaluation of the learning curve for laparoscopic pyloromyotomy","volume":"37","author":"Levy","year":"2023","journal-title":"Surg Endosc"}],"container-title":["Frontiers in Pediatrics"],"original-title":[],"link":[{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fped.2026.1855195\/full","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T05:37:55Z","timestamp":1785217075000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fped.2026.1855195\/full"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7,28]]},"references-count":20,"alternative-id":["10.3389\/fped.2026.1855195"],"URL":"https:\/\/doi.org\/10.3389\/fped.2026.1855195","relation":{},"ISSN":["2296-2360"],"issn-type":[{"value":"2296-2360","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7,28]]},"article-number":"1855195"}}