Abstract
Purpose
To assess whether the size distribution of gelatin sponge particles differed according to the method used to make them and the type of original sheet.
Methods
Gelatin sponge particles of approximately 1–1.5 × 1–1.5 × 2 mm were made from either Spongel or Gelfoam sheets by cutting with a scalpel and scissors. Particles were also made of either Spongel or Gelfoam sheets by pumping with two syringes and a three-way stopcock. The size distribution of the particles in saline was compared among the groups.
Results
(1) Cutting versus pumping: When Spongel was used, cutting produced lower rates of smaller particles ≤500 μm and larger particles >2000 μm compared with pumping back and forth 30 times (1.1% vs 37.6%, p < 0.0001; 2.2% vs 14.4%, p = 0.008). When Gelfoam was used, cutting produced lower rates of smaller and larger particles compared with pumping (8.5% vs 20.4%, p = 0.1809; 0% vs 48.1%, p < 0.0001). (2) Spongel versus Gelfoam: There was no significant difference in the size distribution of the particles between Spongel and Gelfoam (p = 0.2002) when cutting was used.
Conclusion
The size distribution of gelatin sponge particles differed according to the method used to make them. More uniform particle sizes can be achieved by cutting than by pumping.
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Katsumori, T., Kasahara, T. The Size of Gelatin Sponge Particles: Differences with Preparation Method. Cardiovasc Intervent Radiol 29, 1077–1083 (2006). https://doi.org/10.1007/s00270-006-0059-y
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DOI: https://doi.org/10.1007/s00270-006-0059-y