Evidence map›Paper›PMID 42154275›Full record

ArticlePediatric surgery international2026

Type of pledget and suture technique relative to esophageal tensile strength in long-gap esophageal atresia.

Jennifer M Schuh, Araceli A Morelos, Hannah M Olson, Emmanuel L Abebrese, Ke Yan, Jian Zhang, Bonnie P Freudinger, Deron W Jones, Jose H Salazar

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Article in Pediatric surgery international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

9 authors.

Jennifer M SchuhDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA. jmschuh@mcw.edu.
Araceli A MorelosDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA.
Hannah M OlsonDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA.
Emmanuel L AbebreseDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA.
Ke YanSection of Bioinformatics and Quantitative Child Health, Department of Pediatrics, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA.
Jian ZhangSection of Bioinformatics and Quantitative Child Health, Department of Pediatrics, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA.
Bonnie P FreudingerMCW Engineering Core, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI, 53226, USA.
Deron W JonesDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA.
Jose H SalazarDepartment of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, 999 N. 92nd St, Suite 320, Milwaukee, WI, 53226, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeWe aimed to investigate whether pledget presence, pledget composition, and full versus partial thickness suture technique affect the force esophageal tissue can withstand before tearing.

methodsA right thoracotomy was performed on 10 deceased fetal sheep, 110-114 days gestation. The esophagus was divided at the level of the carina and 2 cm of tissue was removed to mimic long-gap esophageal atresia. The pouches were sutured with horizontal mattress non-absorbable braided polyester suture using one of three methods: polytetrafluoroethylene (PTFE) pledgets, bovine pericardial pledgets, or no pledget, in full or partial thickness manner. Each suture was attached to a tensiometer and manually tightened at 50 gram-force / 30 s. Maximal force before esophageal tearing and time to tearing were measured. Results were compared using a linear mixed model.

resultsPTFE pledgets withstood significantly more force than pericardial pledgets (p = 0.029) and provided longer duration before tearing compared to no pledget (p = 0.017) and pericardial pledgets (p = 0.047). Full versus partial-thickness technique made no difference.

conclusionIn a deceased fetal lamb long-gap esophageal atresia model, PTFE pledgets improved tissue resistance to tearing (PTFE > pericardial) and prolonged stretch duration (PTFE > pericardial or no pledget). Suture thickness (full vs. partial) made no difference.

Indexed as

Esophageal AtresiaEsophagusSuturesSuture TechniquesTensile StrengthAnimalsDisease Models, AnimalFemalePericardiumPolytetrafluoroethyleneSheepPolytetrafluoroethyleneEsophageal atresiaForceFull vs. partial thickness suturePledgetTearing

Identifiers

PMID42154275

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.