Tensile strength retention of resorptive suture materials applied in the stomach wall - an in vitro study

Kreszinger, Mario; Toholj, Bojan; Ačanski, Aleksandar; Baloš, Sebastijan; Cincović, Marko; Pećin, Marko; Lipar, Marija; Smolec, Ozren

doi:10.24099/vet.arhiv.170130

Cited by 11 publications

(10 citation statements)

References 10 publications

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“…Specifically, 2‐0 Securodox had greater tensile strength compared with 2‐0 PDS, and 3‐0 Monocryl had greater tensile strength compared with 3‐0 Securocryl. Such differences among sutures of similar composition have been previously reported and are thought to be a result of variations in processing …”

Section: Discussionsupporting

confidence: 78%

“…Such differences among sutures of similar composition have been previously reported and are thought to be a result of variations in processing. 11,25 Maximum extension is a measurement of how greatly a material elongates when placed under tensile forces. Maximal extension of 2-0 Maxon was greater than for all other sutures in the study reported here.…”

Section: Effects Of Incubation Over Timementioning

confidence: 99%

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Tensile properties of synthetic, absorbable monofilament suture materials before and after incubation in phosphate‐buffered saline

et al. 2019

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Objective To compare tensile properties of synthetic, absorbable, monofilament suture material before and after incubation in phosphate‐buffered saline (PBS). Study design Two sizes (2‐0 and 3‐0) of Biosyn, Maxon, Monocryl, PDS II, Securocryl, and Securodox were tested. Sample population Ten suture loops per group. Methods Tensile strength, elongation, and modulus of suture loops were measured at baseline and after 7, 14, 21, or 28 days of incubation in PBS. Results Size, suture material, and size × suture material interaction influenced maximum breaking load, maximum elongation, and modulus of elasticity. At baseline, 2‐0 and 3‐0 Maxon had the highest breaking loads (111.67 N and 79.71 N, respectively) for their size, and 2‐0 PDSII and 3‐0 Securodox had the lowest (68.71 N and 48.73 N, respectively). Maxon 2‐0 and 3‐0 had the greatest elongations (9.68 mm and 8.45 mm, respectively) for their size, and 2‐0 Biosyn and 3‐0 Securocryl had the least (7.21 mm and 6.58 mm, respectively). Biosyn 2‐0 and 3‐0 had the highest modulus. With incubation, Maxon (2‐0), PDS II (2‐0, 3‐0), and Securodox (2‐0, 3‐0) maintained or gained strength over 4 weeks. Strengths of 2‐0 and 3‐0 Biosyn and 3‐0 Maxon were maintained for 2 weeks, while Monocryl and Securocryl lost 20% to 44% of baseline strength within 1 week and 60% to 72% within 2 weeks. Day 7 strengths of 2‐0 Biosyn and 2‐0 Monocryl were greater than baseline strength of 2‐0 PDS II. Strength of 3‐0 Biosyn at day 14 was greater than strength of Monocryl at days 7 and 14 and greater than strength of 3‐0 PDS II, 3‐0 Securodox, and 3‐0 Securocryl at baseline and days 7 and 14. Conclusion Suture tensile properties varied with suture size, composition, and brand. At baseline, Maxon suture had the greatest strength and elongation, and Biosyn had the greatest stiffness. Clinical significance Tensile strength retention, when reported as a percentage of original strength, provides insufficient information for comparison of suture tensile properties.

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Section: Discussionsupporting

confidence: 78%

Section: Effects Of Incubation Over Timementioning

confidence: 99%

Tensile properties of synthetic, absorbable monofilament suture materials before and after incubation in phosphate‐buffered saline

et al. 2019

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“…As a result, the single and triple stitch groups had longitudinal tissue splitting patterns, and all cases in the loop stitch group failed at approximately 90 N, which is similar to the ultimate load-to-failure strength of PDS No. 0 [28]. The single and triple stitch methods have the advantage of being technically easy and simple to perform; however, if excessive force is applied during re-tensioning, there is a risk of additional damage to the ACL remnant fibers.…”

Section: Discussionmentioning

confidence: 99%

Anterior cruciate ligament remnant‐preserving and re‐tensioning reconstruction: a biomechanical comparison study of three different re‐tensioning methods in a porcine model

Ryu

Kwon

Hong

et al. 2021

BMC Musculoskelet Disord

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Background With the developments in the arthroscopic technique, anterior cruciate ligament (ACL) remnant-preserving reconstruction is gradually gaining attention with respect to improving proprioception and enhancing early revascularization of the graft. To evaluate the mechanical pull-out strength of three different methods for remnant-preserving and re-tensioning reconstruction during ACL reconstruction. Methods Twenty-seven fresh knees from mature pigs were used in this study. Each knee was dissected to isolate the femoral attachment of ACL and cut the attachment. An MTS tensile testing machine with dual-screw fixation clamp with 30° flexion angle was used. The 27 specimens were tested after applying re-tensioning sutures with No. 0 polydioxanone (PDS), using the single stitch (n = 9), loop stitch (n = 9), and triple stitch (n = 9) methods. We measured the mode of failure, defined as (1) ligament failure (longitudinal splitting of the remnant ACL) or (2) suture failure (tearing of the PDS stitch); load-to-failure strength; and stiffness for the three methods. Kruskal-Wallis test and Mann-Whitney U-test were used to compare the variance of load-to-failure strength and stiffness among the three groups. Results Ligament failure occurred in all cases in the single stitch group and in all but one case in the triple stitch group. Suture failure occurred in all cases in the loop stitch group and in one case in the triple stitch group. The load-to-failure strength was significantly higher with loop stich (91.52 ± 8.19 N) and triple stitch (111.1 ± 18.15 N) than with single stitch (43.79 ± 11.54 N) (p = 0.002). With respect to stiffness, triple stitch (2.50 ± 0.37 N/mm) yielded significantly higher stiffness than the other methods (p = 0.001). Conclusions The results suggested that loop stitch or triple stitch would be a better option for increasing the mechanical strength when applying remnant-preserving and re-tensioning reconstruction during ACL reconstruction.

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“…[ 29 ] and Kreszinger et al . [ 30 ]. We gathered the force-extension data, which we then further transformed to standard stress-strain curves using the sample wire diameter d and the original effective length of the sample L TS .…”

Section: Methodsmentioning

confidence: 99%

“…We also monitored the relative humidity for extreme fluctuations, i.e., a difference of more than 10%, due to polydioxanone's natural hydrophilicity that could potentially affect the measured data. We used a standard measurement procedure, such as those reported by Greenwald et al [29] and Kreszinger et al [30]. We gathered the force-extension data, which we then further transformed to standard stress-strain curves using the sample wire diameter d and the original effective length of the sample L TS .…”

Section: Young's Modulusmentioning

confidence: 99%

Mechanical properties of a biodegradable self-expandable polydioxanone monofilament stent: In vitro force relaxation and its clinical relevance

et al. 2020

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Biodegradable stents are promising treatments for many diseases, e.g., coronary artery disease, urethral diseases, tracheal diseases, and esophageal strictures. The mechanical properties of biodegradable stent materials play a key role in the safety and efficacy of treatment. In particular, insufficient creep resistance of the stent material could result in premature stent collapse or narrowing. Commercially available biodegradable self-expandable SX-ELLA stents made of polydioxanone monofilament were tested. A new, simple, and affordable method to measure the shear modulus of tiny viscoelastic wires is presented. The important mechanical parameters of the polydioxanone filament were obtained: the median Young's modulus wasẼ = 958 (922, 974) MPa and the shear modulus wasG = 357 (185, 387) MPa, resulting in a Poisson's ratio of ν = 0.34. The SX-ELLA stents exhibited significant force relaxation due to the stress relaxation of the polydioxanone monofilament, approximately 19% and 36% 10 min and 48 h after stent application, respectively. However, these results were expected, and the manufacturer and implanting clinician should be aware of the known behavior of these biodegradable materials. If possible, a biodegradable stent should be designed considering therapeutic force rather than initial force. Additionally, new and more advanced biodegradable shape-memory polymers should be considered for future study and use.

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Tensile strength retention of resorptive suture materials applied in the stomach wall - an in vitro study

Cited by 11 publications

References 10 publications

Tensile properties of synthetic, absorbable monofilament suture materials before and after incubation in phosphate‐buffered saline

Tensile properties of synthetic, absorbable monofilament suture materials before and after incubation in phosphate‐buffered saline

Anterior cruciate ligament remnant‐preserving and re‐tensioning reconstruction: a biomechanical comparison study of three different re‐tensioning methods in a porcine model

Mechanical properties of a biodegradable self-expandable polydioxanone monofilament stent: In vitro force relaxation and its clinical relevance

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