{"id":12364,"date":"2026-09-24T11:35:57","date_gmt":"2026-09-24T03:35:57","guid":{"rendered":"https:\/\/shevenmed.com\/?p=12364"},"modified":"2026-09-24T11:35:57","modified_gmt":"2026-09-24T03:35:57","slug":"pga-vs-polyglactin-vs-pds-suture","status":"publish","type":"post","link":"https:\/\/shevenmed.com\/es\/pga-vs-polyglactin-vs-pds-suture\/","title":{"rendered":"PGA vs Polyglactin 910 vs PDS Suture: How to Choose the Right One"},"content":{"rendered":"

Absorbable synthetic sutures dominate modern surgical wound closure, offering predictable tensile strength degradation and complete biological absorption through uniform hydrolysis. However, selecting between Polyglycolic Acid (PGA), Polyglactin 910, and Polydioxanone (PDS \/ PDO) represents a frequent clinical and procurement dilemma for hospital operating theaters, ambulatory surgery centers, and medical distributors. While all three materials are synthetic polymers, their distinct chemical structures, braiding configurations, and absorption kinetics dictate specific clinical indications and wound support periods.<\/p>\n

This comparison guide evaluates the material composition, mechanical properties, tensile strength retention curves, and tissue-specific selection criteria for PGA, Polyglactin 910, and PDS sutures. For broader guidance on surgical wound closure portfolios, review our complete guide to surgical suture types<\/a> and our comprehensive overview of absorbable vs non-absorbable sutures<\/a>.<\/p>\n

Material Chemistry and Structural Comparison: Braided vs Monofilament<\/h2>\n

The core clinical differences among PGA, Polyglactin 910, and PDS stem from their underlying macromolecular architecture and yarn construction:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Par\u00e1metro<\/th>\n\u00c1cido poliglic\u00f3lico (PGA)<\/th>\nPolyglactin 910 (PGLA)<\/th>\nPolydioxanone (PDS \/ PDO)<\/th>\n<\/tr>\n<\/thead>\n
Chemical Composition<\/strong><\/td>\n100% Homopolymer of glycolic acid<\/td>\nCopolymer of 90% glycolide and 10% L-lactide<\/td>\nPolymer of paradioxanone monomer<\/td>\n<\/tr>\n
Physical Structure<\/strong><\/td>\nBraided multifilament (coated)<\/td>\nBraided multifilament (coated)<\/td>\nMonofilament<\/td>\n<\/tr>\n
Standard Coating<\/strong><\/td>\nPolycaprolactone and calcium stearate<\/td>\nPolyglactin 370 and calcium stearate<\/td>\nUncoated (smooth monofilament extrusion)<\/td>\n<\/tr>\n
Surface Characteristics<\/strong><\/td>\nSmooth knot run-down with slight surface drag<\/td>\nExcellent knot snug-down; minimal tissue chatter<\/td>\nZero interstitial capillarity; smooth tissue pass<\/td>\n<\/tr>\n
Knot Security<\/strong><\/td>\nHigh (braided friction lock)<\/td>\nHigh (braided friction lock)<\/td>\nRequires additional throws (monofilament memory)<\/td>\n<\/tr>\n
Tissue Drag & Trauma<\/strong><\/td>\nLow (mitigated by stearate coating)<\/td>\nVery low (coated multifilament)<\/td>\nLowest (microsmooth single strand)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

For procurement specifications and direct factory supply details on individual product categories, explore our dedicated pages for Polyglycolic Acid (PGA) sutures<\/a>, Polyglactin 910 sutures<\/a>y Polydioxanone (PDO) sutures<\/a>.<\/p>\n

Tensile Strength Retention vs Mass Absorption Kinetics<\/h2>\n

Surgical wound support depends entirely on tensile strength retention\u2014the capacity of the suture to hold tissue apposition under physiological tension\u2014rather than the time required for complete mass absorption. Sourcing managers must evaluate both metrics:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Evaluation Metric<\/th>\nPGA (Braided)<\/th>\nPolyglactin 910 (Braided)<\/th>\nPDS \/ PDO (Monofilament)<\/th>\n<\/tr>\n<\/thead>\n
14-Day Tensile Strength<\/strong><\/td>\nApprox. 65% \u2013 75% remaining<\/td>\nApprox. 70% \u2013 75% remaining<\/td>\nApprox. 70% \u2013 75% remaining<\/td>\n<\/tr>\n
21-Day Tensile Strength<\/strong><\/td>\nApprox. 40% \u2013 50% remaining<\/td>\nApprox. 40% \u2013 50% remaining<\/td>\nApprox. 60% \u2013 65% remaining<\/td>\n<\/tr>\n
28-Day Tensile Strength<\/strong><\/td>\nApprox. 20% \u2013 30% remaining<\/td>\nApprox. 20% \u2013 25% remaining<\/td>\nApprox. 50% \u2013 60% remaining<\/td>\n<\/tr>\n
Critical Support Duration<\/strong><\/td>\nShort-to-medium term (2 to 3 weeks)<\/td>\nMedium term (3 to 4 weeks)<\/td>\nExtended term (6 to 8 weeks)<\/td>\n<\/tr>\n
Complete Mass Absorption<\/strong><\/td>\n60 to 90 days via hydrolysis<\/td>\n56 to 70 days via hydrolysis<\/td>\n180 to 210 days via hydrolysis<\/td>\n<\/tr>\n
Tissue Reaction Level<\/strong><\/td>\nMinimal inflammatory response<\/td>\nMinimal inflammatory response<\/td>\nSlightly lower (absence of braided interstitial spaces)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Both PGA and Polyglactin 910 provide rapid-to-medium wound support suitable for fast-healing visceral tissues. By contrast, PDS maintains substantial tensile strength well beyond 4 weeks, making it indispensable for tissues under continuous mechanical stress or in patients with delayed wound healing.<\/p>\n

Clinical Indications and Surgical Discipline Matching<\/h2>\n

Operating room committees select absorbable materials based on organ vascularity, healing rate, and the risk of infection:<\/p>\n