scholarly journals Effect of water temperature on the hydrolysis of two absorbable sutures used in fish surgery

FACETS ◽  
2017 ◽  
Vol 1 (1) ◽  
pp. 44-54 ◽  
Author(s):  
Sarah A. Cannizzo ◽  
Simon C. Roe ◽  
Craig A. Harms ◽  
Michael K. Stoskopf
Keyword(s):  
Tensile Strength ◽  
Optimal Design ◽  
Water Temperature ◽  
Tensile Load ◽  
Suture Materials ◽  
Ambient Temperatures ◽  
Absorbable Sutures ◽  
Human Body Temperature ◽  
City Water ◽  
Materials Used

Persistence of absorbable sutures in fishes in waters below 10 °C affects surgical decisions including approach, closure strategy, and suture selection. We hypothesized that the rate of suture hydrolysis would vary directly with water temperature. Two absorbable monofilament 3-0 suture materials used in fish surgery, poliglecaprone (Monocryl™) and polyglyconate (Maxon™), were evaluated. The maximum tensile load (strength) was measured for suture loops ( n = 6) maintained in filtered city water for 2, 4, 6, or 8 weeks at 4, 25, or 37 °C. For Maxon™ at 4 or 25 °C, tensile strength did not decrease over time. However, for Monocryl™ at 4 °C, 2-, 4-, and 8-week loops were stronger than baseline loops. At 25 °C, tensile strength of the suture material declined after 2 weeks. Also, at 37 °C, the optimal design temperature for both suture materials, the strength of Maxon™ decreased at 6 and 8 weeks. Two 4-week loops of Monocryl™ disintegrated when handled, and after 6 and 8 weeks, all were untestable. This study confirms that absorbable sutures lose strength more slowly at ambient temperatures lower than the optimal design temperature (e.g., human body temperature) and will likely be retained longer in fishes living in waters below 25 °C.

A Review of Absorbable Suture Materials in Head & Neck Surgery and Introduction of Monocryl: A New Absorbable Suture

1995 ◽  
Vol 74 (6) ◽  
pp. 409-415 ◽  
Author(s):  
James LaBagnara
Keyword(s):  
Tensile Strength ◽  
Lower Cost ◽  
Neck Surgery ◽  
Background Information ◽  
Absorbable Suture ◽  
Suture Materials ◽  
Absorbable Sutures ◽  
Head Neck Surgery ◽  
Head Neck ◽  
Tissue Reactivity

Absorbable sutures are used frequently in the practice of surgery yet there have been no studies in the literature that review the currently available sutures. A newly released suture was used in a series of 80 head and neck patients and the results compared to the surgeon's experience with other absorbable suture materials. The literature regarding absorbable sutures is reviewed and background information on currently available sutures is provided. The tensile strength and absorption of various materials are compared. Degree of tissue reactivity in animals is presented. Results of the evaluation of Monocryl in 80 cases suggest that it has many preferable qualities including ease of handling, low tissue reactivity, superior tensile strength, and lower cost.

scholarly journals The Effect of Chlorhexidine and Listerine® Mouthwashes on the Tensile Strength of Selected Absorbable Sutures: An In Vitro Study

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Mohammed Alsarhan ◽  
Hourya Alnofaie ◽  
Rawan Ateeq ◽  
Ahmed Almahdy
Keyword(s):  
Tensile Strength ◽  
Artificial Saliva ◽  
Critical Role ◽  
Testing Machine ◽  
In Vitro Study ◽  
Vitro Study ◽  
Suture Materials ◽  
Experimental Conditions ◽  
Absorbable Sutures

Background. Suturing plays a critical role in the healing of surgical wounds. The tensile strength of suture materials indicates the ability of the material to withstand stress during knotting and protect the wound during an extended period of healing. Objective. An in vitro study was conducted to determine the effect of two commercially available mouthwashes on the tensile strength and breakage mode of two absorbable intraoral sutures. Materials and Methods. Two common absorbable sutures, Vicryl® and Monocryl®, both with 4-0 and 5-0 gauges were used. A total of 400 specimens were sutured around rubber rods and immersed in three thermostatically controlled experimental conditions: artificial saliva, 0.2% chlorhexidine gluconate (Parodontax® extra), and essential oils-based rinse (Listerine® Zero™), and these were compared to a nonimmersed dry condition. All specimens were stored in an incubator at 37°C. Tensile strengths were assessed after days 1, 3, 7, 10, and 14 of immersion using a universal Instron® testing machine. The maximum load for suture breakage and the location of the point of breakage were assessed. Results. Unlike Monocryl® 4-0, the tensile strength of both gauges of Vicryl® sutures significantly increased in chlorhexidine and Listerine®. There was a significant decrease in the strength for all suture types after day 10, regardless of the immersion solution. Listerine® significantly reduced the tensile strength of Monocryl® 5-0. Conclusion. Oral surgeons and periodontists should be cautious when prescribing commercial mouthwashes for patients relative to their selection of suture materials. However, further studies are needed to understand the molecular changes in sutures when exposed to chemical solutions found in mouthwashes.

scholarly journals In-vitro evaluation of commonly used beverages on tensile strength of different suture materials used in dental surgeries

Medicine ◽  
2020 ◽  
Vol 99 (48) ◽  
pp. e19831
Author(s):  
Shahabe Saquib Abullais ◽  
Nabeeh Abdullah Alqahtani ◽  
Raed Mofarh Alkhulban ◽  
Sarah Hassan Alamer ◽  
Abdul Ahad Khan ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Suture Materials ◽  
In Vitro Evaluation ◽  
Materials Used

An Evaluation of Suture Materials Used in Tendon Surgery

1989 ◽  
Vol 14 (4) ◽  
pp. 422-427
Author(s):  
I. A. TRAIL ◽  
E. S. POWELL ◽  
J. NOBLE
Keyword(s):  
Tensile Strength ◽  
Stainless Steel ◽  
Flexor Tendon ◽  
Polyglycolic Acid ◽  
Suture Materials ◽  
Tendon Surgery ◽  
Polypropylene Monofilament ◽  
Materials Used

The following suture materials have been evaluated for their suitability for use in flexor tendon repairs: 4/0 gauge monofilament and multifilament stainless steel, mono-filament nylon, monofilament polypropylene, monofilament polybutestor, braided polyester, braided polyglycolic acid and a monofilament polyglyconate. These were investigated for their tensile strength (both knotted and unknotted), their extension to failure and knot-holding properties. Stainless steel and monofilament polyglyconate appeared to be the most suitable in that they had high tensile strengths, both knotted and unknotted, and had good knot-holding security. The only disadvantages are that stainless steel is difficult to use and monofilament polyglyconate is absorbable. Polypropylene and braided polyester, although having lower tensile strengths, are reasonable alternatives.

Absorbable suture material in carotid surgery

VASA ◽  
2015 ◽  
Vol 44 (6) ◽  
pp. 451-457 ◽  
Author(s):  
Vincenzo Gasbarro ◽  
Luca Traina ◽  
Francesco Mascoli ◽  
Vincenzo Coscia ◽  
Gianluca Buffone ◽  
...  
Keyword(s):  
Suture Material ◽  
Absorbable Suture ◽  
Paediatric Surgery ◽  
Carotid Surgery ◽  
Suture Materials ◽  
Absorbable Suture Material ◽  
Absorbable Sutures ◽  
Group A ◽  
Group B

Abstract. Background: Absorbable sutures are not generally accepted by most vascular surgeons for the fear of breakage of the suture line and the risk of aneurysmal formation, except in cases of paediatric surgery or in case of infections. Aim of this study is to provide evidence of safety and efficacy of the use of absorbable suture materials in carotid surgery. Patients and methods: In an 11 year period, 1126 patients (659 male [58.5 %], 467 female [41.5 %], median age 72) underwent carotid endarterectomy for carotid stenosis by either conventional with primary closure (cCEA) or eversion (eCEA) techniques. Patients were randomised into two groups according to the type of suture material used. In Group A, absorbable suture material (polyglycolic acid) was used and in Group B non-absorbable suture material (polypropylene) was used. Primary end-point was to compare severe restenosis and aneurysmal formation rates between the two groups of patients. For statistical analysis only cases with a minimum period of follow-up of 12 months were considered. Results: A total of 868 surgical procedures were considered for data analysis. Median follow-up was 6 years (range 1-10 years). The rate of postoperative complications was better for group A for both cCEA and eCEA procedures: 3.5 % and 2.0 % for group A, respectively, and 11.8 % and 12.9 % for group B, respectively. Conclusions: In carotid surgery, the use of absorbable suture material seems to be safe and effective and with a general lower complications rate compared to the use of non-absorbable materials.

Calculations used for assessment of rapid maxillary expansion

ORL ro ◽  
2016 ◽  
Vol 1 (1) ◽  
pp. 24-26
Author(s):  
Ruxandra Bartok ◽  
Bogdan Dimitriu Dimitriu ◽  
Constantin Vârlan ◽  
Radu Stanciu ◽  
Georgiana Moldoveanu ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Elasticity Modulus ◽  
Rapid Maxillary Expansion ◽  
Laboratory Animals ◽  
Maxillary Expansion ◽  
Literature Reference ◽  
Bone Changes ◽  
Upper Jaw ◽  
Materials Used

Rapid maxillary expansion is defined as the release of medio-palatine suture using an orthopedic forces. The role of this procedure is to expand  the upper jaw in order to achieve the  broadening of the upper arch. This study was initiated to quantify the effects of disjunction and post- treatment bone changes, after an adequate contention which lasted for three weeks. This study  is  carried on laboratory animals (common breed rabbit) to determine tensile strength and the elasticity modulus of  biological materials  used in orthdodontics. The results of the study are consistent with those reported in the literature reference.  

The Effect of Suture Materials on the Biomechanical Performance of Different Flexor Tendon Repairs and the Concept of Construct Efficiency

2018 ◽  
Vol 23 (02) ◽  
pp. 243-247
Author(s):  
Yoke Rung Wong ◽  
Austin Mun Kitt Loke ◽  
Shian Chao Tay
Keyword(s):  
Tensile Strength ◽  
Ultimate Tensile Strength ◽  
Tensile Testing ◽  
Flexor Tendon ◽  
Experimental Results ◽  
Suture Materials ◽  
Nylon Suture ◽  
Biomechanical Strength ◽  
Repair Techniques

Background: To propose a new term (‘construct efficiency’) for the evaluation of multi strands flexor tendon repairs using different suture materials. Methods: A total of twenty specimens from 4-0 braided polyblend sutures (FiberLoop/FiberWire; Arthrex, Naples, FL) and 4-0 nylon sutures (Supramid Extra II; S. Jackson, Inc., Alexandria, VA) were subjected to tensile testing using Pneumatic Cord-and-Yarn Grips (Instron Corp., Canton MA, USA). The ultimate tensile strengths of the suture materials were measured. The expected repair strengths and construct efficiencies were computed based on the experimental results and from available literature on actual repair strengths of the 4-strand Becker, Cruciate repairs and 6-strand Tang, modified Lim-Tsai repairs. Results: The ultimate tensile strength of nylon suture was 15.4 ± 0.6N, lower than that of braided polyblend suture (45.3 ± 2.3N) with a difference of 194%. The construct efficiency of multi strand repairs varied with respect to different repair techniques and suture materials. It was found that the Becker repairs using FiberWire had the highest construct efficiency (55.7%) followed by the modified Lim-Tsai using Supramid (50.9%), Tang repair using Supramid (49.8%), Cruciate repair using Fiberwire (49.1%), and modified Lim-Tsai repair using FiberLoop (33.5%). Conclusions: The construct efficiency is more accurate in showing that, in terms of biomechanical strength, the use of FiberWire for the 4-strand Becker and Cruciate repair is more efficient than that of using FiberLoop for 6-strand modified Lim-Tsai repair.

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