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van Doormaal et al., evaluated 9 commonly used dural sealants, including [[Tachosil]] ([[Takeda]] Inc, Osaka, Japan), [[Adherus]] ([[Hyperbranch]] Inc, Durham, North Carolina), [[Duraform]] ([[Codman]], Raynham, Massachusetts), [[Tissudura]] ([[Baxter]], Deerfield, Illinois), [[Hemopatch]] (Baxter), TissuePatchDural ([[Tissuemed]], Leeds, United Kingdom), [[Tisseel]] (Baxter), [[Duragen]] Secure ([[Integra]], Plainsboro, New Jersey), and [[Duraseal]], (Integra). Sealants were tested in 2 novel in Vitro setups using fresh porcine dura: the first tested the acute burst pressure of a sealed 3-mm gap, while the second examined resistance to a pressure wave mimicking intracranial pressure for 72 h.

[[Adherus]] showed the highest mean burst pressure (87 ± 47 mmHg) followed by Tachosil (71 ± 16 mmHg) and Duraseal (51 ± 42 mmHg); these were the only 3 sealants showing burst pressures above normal physiological intracranial pressure. In the 72-h setup, only Adherus and Duraseal maintained appropriate sealing for the duration of the experiment. Tachosil released from the dura after 1.4 h (95% confidence interval, -1.8-4.7).

Given the high cost of sealants and the results of this study, they advocate a critical attitude toward sealant application as an adjunct to classic [[dural closure]]
((van Doormaal T, Kinaci A, van Thoor S, Redegeld S, Bergmann W, van der Zwan A.
Usefulness of Sealants for Dural Closure: Evaluation in an In Vitro Model. Oper
Neurosurg (Hagerstown). 2018 Oct 1;15(4):425-432. doi: 10.1093/ons/opx260. PubMed
PMID: 29281065.
)).