TY - JOUR
T1 - Initial histological evaluation of a novel dura mater graft based on capsule granulation harvested from subcutaneous tissue
T2 - Experimental model
AU - Rendón-Medina, Marco Aurelio
AU - Galeana-Pavón, Alberto
AU - Vázquez-Medina, Martín Uriel
AU - Hernández-Ordoñez, Rubén
AU - Pacheco-López, Ricardo César
AU - Ocharan-Hernández, María Esther
N1 - Publisher Copyright:
Copyright © 2021 by Mutaz B. Habal, MD.
PY - 2022/3/1
Y1 - 2022/3/1
N2 - Introduction: Autografts are useful but unfortunately are limited in big dural defects, in such cases, synthetic implants have been recommended. Extensive evidence in the literature suggests that sometimes synthetic implants had high rates of complications like infections. This paper aims to present a novel dura matter graft based on capsule granulation tissue harvested from subcutaneous space as a dura substitute and its histological findings. Materials and Methods: Wistar rats between 240 and 430 grams of both genders were included. First stage procedure introducing silicon spheres in the subcutaneous tissue. Second stage procedure 4 weeks later harvested de capsule granulation tissue that contain them. Then a craniectomy was performed to create a dura mater defect. This defect was reconstructed with the granulation tissue was placed onlay the defect. After another 4 weeks the subjects were euthanized and sent to an external pathology unit for analysis with validated integration scales. Results: A total of 5 subjects were included (3 males and 2 females) with weight between 240 and 430 grams. Only 2 outcome out of 6 scales had significance difference between the samples: adhesions P = 0.011 and integration P = 0.006. Conclusions: The histological findings shown that capsule granulation graft is a compatible, autologous compatible substitute for dura mater. It has a great potential of full integration and an acceptable grade of adhesions.
AB - Introduction: Autografts are useful but unfortunately are limited in big dural defects, in such cases, synthetic implants have been recommended. Extensive evidence in the literature suggests that sometimes synthetic implants had high rates of complications like infections. This paper aims to present a novel dura matter graft based on capsule granulation tissue harvested from subcutaneous space as a dura substitute and its histological findings. Materials and Methods: Wistar rats between 240 and 430 grams of both genders were included. First stage procedure introducing silicon spheres in the subcutaneous tissue. Second stage procedure 4 weeks later harvested de capsule granulation tissue that contain them. Then a craniectomy was performed to create a dura mater defect. This defect was reconstructed with the granulation tissue was placed onlay the defect. After another 4 weeks the subjects were euthanized and sent to an external pathology unit for analysis with validated integration scales. Results: A total of 5 subjects were included (3 males and 2 females) with weight between 240 and 430 grams. Only 2 outcome out of 6 scales had significance difference between the samples: adhesions P = 0.011 and integration P = 0.006. Conclusions: The histological findings shown that capsule granulation graft is a compatible, autologous compatible substitute for dura mater. It has a great potential of full integration and an acceptable grade of adhesions.
KW - Dura mater
KW - Neurosurgery
KW - Reconstruction of dura mater
UR - http://www.scopus.com/inward/record.url?scp=85126107508&partnerID=8YFLogxK
U2 - 10.1097/SCS.0000000000007985
DO - 10.1097/SCS.0000000000007985
M3 - Artículo
C2 - 34260462
AN - SCOPUS:85126107508
SN - 1049-2275
VL - 33
SP - 710
EP - 712
JO - The Journal of craniofacial surgery
JF - The Journal of craniofacial surgery
IS - 2
ER -