Evidence map›Paper›PMID 40442722›Full record

ArticleJournal of orthopaedic surgery and research2025

Ex vivo mechanical testing of double strand, braided and knitted polyethylene suture for acute transverse section of the Achilles tendon in a dog model.

Manar Y Abd El-Aziz, Doaa H Elgohary, Y A Abo El Amaim, Elham A Hassan

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Article in Journal of orthopaedic surgery and research, 2025. 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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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Manar Y Abd El-AzizClothing and Knitting Industrial Research Department, Textile Research and Technology Institute, National Research Centre, 33 EL Bohouth St. (former EL Tahrir St.)- Dokki, Giza, 12622, Egypt.
Doaa H ElgoharySpinning and Weaving Engineering Department, Textile Research and Technology Institute, National Research Centre, 33 EL Bohouth St. (former EL Tahrir St.)- Dokki, Giza, 12622, Egypt.
Y A Abo El AmaimSpinning, Weaving and Knitting Department, Faculty of Applied Arts, Beni Suef University, Beni Suef, 62512, Egypt.
Elham A HassanDepartment of Surgery, Anesthesiology and Radiology- Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt. elhamhassan@cu.edu.eg.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAcute tendon cut represents a great challenge both in human and veterinary medical practice. The current study aimed to compare the ultimate biomechanical properties (tensile strength, elongation, stress load, yield load and break load) of double strand, braided and knitted polyethylene suture in an ex vivo model of acute transverse section of the Achilles tendon in dog model using locking loop suture and three-loop pulley suture.

methodsA-thirty-six Achilles tendon was transected from 18 dog cadavers. Tendon samples were randomly allocated (6 tendons/group) to be sutured either by double strand, braided and novel knitted formation techniques from polyethylene suture using either three-loop pulley suture or locking loop suture patterns. Biomechanical testing of different yarn for tensile strength, elongation, stress, yield load, break load was performed.

resultsBraided polyethylene sutures demonstrated superior biomechanical properties, showing the highest maximum tension, load, stress, and yield load, while knitted sutures exhibited the greatest strain and elongation due to their looped structure. Despite the knitted yarn's high elongation, its tensile strength and load-bearing capabilities were significantly lower. Overall, yarn formation had a greater influence on biomechanical performance in association with suturing technique. The three-loop pulley suturing demonstrated significantly improved suturing outcomes.

conclusionBoth novel knitted, and braided suture structure demonstrated improved biomechanical properties of tendon suturing by increasing the number of strands within the tendon, simplifying the suturing process, reducing the needle passes, and minimizing tendon punctures that may interfere with healing and the overall strength. Suturing technique had a major influence on the biomechanical properties where the three-loop pulley suture demonstrated superior biomechanical properties compared to locking loop suturing.

Indexed as

Achilles TendonMaterials TestingMechanical TestsPolyethyleneSuturesSuture TechniquesAnimalsBiomechanical PhenomenaCadaverDogsModels, AnimalTensile StrengthPolyethyleneAnimal modelPolyethylene yarnSutureTendon repairTenorrhaphy

Identifiers

PMID40442722
PMCPMC12124030

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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.