Summary.
Summary.
Background:
There is frequently a need for dural grafts to cover defects resulting from retraction, shrinkage, or excision following neurosurgical procedures. Many substances have been tried as possible dural substitution, and different tissues and materials have been evaluated for use in dural repair.
Method:
The authors performed a retrospective review of 288 consecutive neurosurgical procedures using a fibrinogen based collagen fleece (TachoComb®), a resorbable mesh of collagen from horse tendons, coated with human fibrinogen, bovine thrombin, bovine aprotinin and riboflavin (for marking the coated side), for dural substitution. The fibrinogen and thrombin imitate the last step of the coagulation cascade. On contact with bleeding wounds or other body fluids the coagulation factors dissolve and a link is formed between the collagen carrier and the wound surface. Thrombin converts fibrinogen into fibrin by splitting off peptides. Aprotinin prevents premature lysis of the fibrin clot by plasmin.
Findings:
Neither superficial or deep wound infections nor aseptic meningitis were noted. We found good fibrous incorporation of TachoComb® into the surrounding normal dura. Postoperative cerebrospinal-fluid (CSF) leaks developed in only five cases, who had to be re-operated, upon as well as one patient with a rebleeding. In another four cases, there was notable subcutaneous cerebrospinal-fluid accumulation without CSF-leak. They required a lumbar cerebrospinal-fluid drainage.
Interpretation:
We conclude that TachoComb® is a valuable alternative to the patients fibrous tissues for dural repair in cases in which autogenous tissues are either unavailable or insufficient for proper reconstruction.
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Reddy, M., Schöggl, A., Reddy, B. et al. A Clinical Study of a Fibrinogen-Based Collagen Fleece for Dural Repair in Neurosurgery. Acta Neurochir (Wien) 144, 265–269 (2002). https://doi.org/10.1007/s007010200034
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DOI: https://doi.org/10.1007/s007010200034