Suture Absorption Timeline Chart — How Long Does Each Suture Take to Dissolve?

How do absorbable sutures dissolve?

Absorbable sutures are broken down by the body through hydrolysis — water molecules cleave the polymer chains into smaller fragments that are metabolized and excreted. The rate of hydrolysis depends on the polymer composition, crystallinity, and tissue environment. Braided sutures generally absorb faster than monofilament sutures of the same material because water can penetrate the interstices between filaments. The absorption process has two distinct phases: loss of tensile strength (faster) and mass absorption (slower).

Tissue support vs. complete absorption

A critical distinction in suture selection is between tissue support duration and complete absorption time. Tissue support duration is how long the suture maintains enough tensile strength to hold tissue together. Complete absorption is when the suture material is fully resorbed by the body. For example, DesmoNex provides 28-35 days of tissue support but isn't completely absorbed until 60-90 days. Surgeons should select sutures based on tissue healing time — the suture must maintain adequate strength until the tissue can support itself.

Factors affecting absorption rate

Several factors can accelerate or slow suture absorption: Infection increases local pH and enzyme activity, speeding absorption. High vascularity (well-perfused tissue) accelerates absorption. Patient factors like diabetes or malnutrition can slow wound healing and affect absorption dynamics. Suture diameter affects rate — finer sutures absorb faster. Site of implantation matters — sutures in the GI tract may absorb differently than in subcutaneous tissue.

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