Using a new technique combining NPWT and DFS in the treatment of the OA, the delayed closure of the fascial edges by running suture can be achieved and the number of re-operations can be kept low. The technique was safe and led to a low incidence of incisional hernias. Extensive abdominal wall reconstruction was seldom required.
Prevadh and Seprafilm are potent materials for the reduction of adhesion formation. A potential relationship between effective adhesion prevention and impaired tissue integration of the implant was observed. Fibrin sealant proved an excellent agent for SAB fixation.
Abdominal wall hernia is a recurrent issue world-wide and requires the implantation of over 1 million meshes per year. Because permanent meshes such as polypropylene and polyester are not free of complications after implantation, many mesh modifications and new functionalities have been investigated over the last decade. Indeed, mesh optimization is the focus of intense development and the biomaterials utilized are now envisioned as being bioactive substrates that trigger various physiological processes in order to prevent complications and to promote tissue integration. In this context, it is of paramount interest to review the most relevant bio-functionalities being brought to new meshes and to open new avenues for the innovative development of the next generation of meshes with enhanced properties for functional abdominal wall hernia repair.
At 2 months, cross-linked and non-cross-linked biologic hernia implants were poorly integrated. Cross-linking led to a more pronounced foreign body reaction. Less inflammatory response may reduce local complications, but did not enhance implant integration in this study.
In our hands, PP (mechanical grip fixation) was superior to hydrogel fixation with PEG and PVP in AH in an onlay model. The reason for dislocation of AH requires further clarification as well as the impact of long-term degradation of the PLA grips.
Introduction In meta-analyses and systematic reviews, clear advantages have been identified for the sublay versus onlay technique for treatment of incisional hernias. Nonetheless, an expert panel has noted that the onlay mesh location may be useful in certain settings. Materials and methods First, unadjusted analysis of data from the Herniamed Registry was performed to compare 6797 sublay operations with 1024 onlay operations for repair of incisional hernias. Then, using propensity score matching to account for the influence of variables age, gender, ASA score, BMI, risk factors, preoperative pain, defect size, and defect localization, 1016 pairs were formed and compared with each other. Results Unadjusted analysis revealed that the onlay operation was used significantly more often for small defects, lateral defect localization, and in women. After comparing the propensity score-matched pairs, no significant difference was found between the sublay and onlay technique in the outcome criteria intra-and postoperative complications, general complications, complication-related reoperations, pain at rest, pain on exertion, chronic pain requiring treatment, and recurrence on 1-year follow-up. But that was true only for this carefully selected patient collective. Conclusion In a selected patient collective with small and lateral incisional hernias and with a large proportion of women, outcomes obtained for the onlay and sublay techniques do not differ significantly. Rudolf Schrittwieser and Ferdinand Köckerling contributed equally to this publication.
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