OBJECTIVE: To assess the extent of shrinkage of meshes used for hernia repair. DESIGN: Experimental study in dogs. SETTING: University hospital, Germany and University Research Centre, Moscow. ANIMALS: 10 dogs had monofilament polypropylene meshes that weighed 95 g/m2 (Marlex) or multifilament reduced polypropylene meshes combined with polyglactin 910 that weighed 55 g/m2 (Soft Hernia Mesh) implanted for either 3 or 6 months. MAIN OUTCOME MEASURES: Histological appearance and radiological assessment of the position and area of the mesh. RESULTS: After 4 weeks the area of mesh in the monofilament group was reduced from to 139 (11) to 75 (8) cm2 (54%) and that of the multifilament from 116 (18) to 77 (20) cm2 (66%). The multifilament mesh with the reduced amount of polypropylene showed less inflammatory response and less shrinkage. The mesh did not seem to have moved. CONCLUSION: Meshes that contain a lot of polypropylene shrink to about 30%-50% of their original size after 4 weeks, requiring an overlap of at least 3 cm if implanted subfascially. Reduction in the polypropylene content decreases both the inflammatory response and the shrinkage. Meshes with big pores are less likely to fold and improve compatibility.
OBJECTIVE: To assess the extent of shrinkage of meshes used for hernia repair. DESIGN: Experimental study in dogs. SETTING: University hospital, Germany and University Research Centre, Moscow. ANIMALS: 10 dogs had monofilament polypropylene meshes that weighed 95 g/m2 (Marlex) or multifilament reduced polypropylene meshes combined with polyglactin 910 that weighed 55 g/m2 (Soft Hernia Mesh) implanted for either 3 or 6 months. MAIN OUTCOME MEASURES: Histological appearance and radiological assessment of the position and area of the mesh. RESULTS: After 4 weeks the area of mesh in the monofilament group was reduced from to 139 (11) to 75 (8) cm2 (54%) and that of the multifilament from 116 (18) to 77 (20) cm2 (66%). The multifilament mesh with the reduced amount of polypropylene showed less inflammatory response and less shrinkage. The mesh did not seem to have moved. CONCLUSION: Meshes that contain a lot of polypropylene shrink to about 30%-50% of their original size after 4 weeks, requiring an overlap of at least 3 cm if implanted subfascially. Reduction in the polypropylene content decreases both the inflammatory response and the shrinkage. Meshes with big pores are less likely to fold and improve compatibility.
Authors: L Melman; E D Jenkins; N A Hamilton; L C Bender; M D Brodt; C R Deeken; S C Greco; M M Frisella; B D Matthews Journal: Hernia Date: 2011-01-30 Impact factor: 4.739
Authors: B P Müller-Stich; J D Senft; F Lasitschka; M Shevchenko; A T Billeter; T Bruckner; H G Kenngott; L Fischer; T Gehrig Journal: Hernia Date: 2014-08-27 Impact factor: 4.739
Authors: Rodrigo Gonzalez; Kim Fugate; David McClusky; E Matt Ritter; Andrew Lederman; Dirk Dillehay; C Daniel Smith; Bruce J Ramshaw Journal: World J Surg Date: 2005-08 Impact factor: 3.352
Authors: Beat P Müller-Stich; Arianeb Mehrabi; Hannes G Kenngott; Hamidreza Fonouni; Michael A Reiter; Gani Kuttymoratov; Felix Nickel; Georg R Linke; Ivo Wolf; Jörg Köninger; Carsten N Gutt Journal: Surg Endosc Date: 2008-10-15 Impact factor: 4.584