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Impact of collagen matrix on reconstructive material selection and postoperative complications in endoscopic endonasal skull base surgery.
Journal of Neurosurgery 2024 Februrary 24
OBJECTIVE: The aim of this study was to investigate the impact of collagen matrix on reconstructive material selection and postoperative complications in endoscopic endonasal skull base surgery.
METHODS: The authors retrospectively reviewed the data of consecutive patients who underwent purely endoscopic endonasal skull base surgery from January 2015 to March 2023. Intraoperative CSF leakage was classified according to the Esposito grade, and skull base repair was tailored to the leakage grade. The patients were divided into two groups: before (group A) and after (group B) collagen matrix implementation. The rates of autologous graft harvesting (fat, fascia, and nasoseptal flap), postoperative CSF leakage, and donor-site complications were compared between the two groups.
RESULTS: In total, 270 patients were included. Group A included 159 patients and group B included 111 patients. There were no differences in patient characteristics, including age, pathology, and Esposito grade, between the two groups. The overall fat usage rate was significantly higher in group A (63.5%) than in group B (39.6%) (p = 0.0001), and the fascia usage rate was also significantly higher in group A (25.8%) than in group B (4.5%) (p < 0.0001). The nasoseptal flap usage rate did not differ between group A (32.7%) and group B (30.6%) (p = 0.79). Postoperative CSF leakage was similar between the two groups (0.63% in group A vs 1.8% in group B, p = 0.57), and the overall rate of CSF leakage was 1.1%. Donor-site complications occurred in 3 patients in group A, including 1 abdominal hematoma, 1 delayed abdominal infection, and 1 fluid collection after fascia lata harvesting.
CONCLUSIONS: Collagen matrix implementation significantly decreased autologous graft harvesting without increasing postoperative CSF leakage, contributing to less invasive surgery.
METHODS: The authors retrospectively reviewed the data of consecutive patients who underwent purely endoscopic endonasal skull base surgery from January 2015 to March 2023. Intraoperative CSF leakage was classified according to the Esposito grade, and skull base repair was tailored to the leakage grade. The patients were divided into two groups: before (group A) and after (group B) collagen matrix implementation. The rates of autologous graft harvesting (fat, fascia, and nasoseptal flap), postoperative CSF leakage, and donor-site complications were compared between the two groups.
RESULTS: In total, 270 patients were included. Group A included 159 patients and group B included 111 patients. There were no differences in patient characteristics, including age, pathology, and Esposito grade, between the two groups. The overall fat usage rate was significantly higher in group A (63.5%) than in group B (39.6%) (p = 0.0001), and the fascia usage rate was also significantly higher in group A (25.8%) than in group B (4.5%) (p < 0.0001). The nasoseptal flap usage rate did not differ between group A (32.7%) and group B (30.6%) (p = 0.79). Postoperative CSF leakage was similar between the two groups (0.63% in group A vs 1.8% in group B, p = 0.57), and the overall rate of CSF leakage was 1.1%. Donor-site complications occurred in 3 patients in group A, including 1 abdominal hematoma, 1 delayed abdominal infection, and 1 fluid collection after fascia lata harvesting.
CONCLUSIONS: Collagen matrix implementation significantly decreased autologous graft harvesting without increasing postoperative CSF leakage, contributing to less invasive surgery.
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