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Hydroxyapatite cement: a new method for achieving watertight closure in transtemporal surgery
D B Kamerer1, B E Hirsch, C H Snyderman
1Department of Otolaryngology, University of Pittsburgh School of Medicine, Pennsylvania.
The American Journal of Otology
|January 1, 1994
Summary
Hydroxyapatite cement effectively seals dural defects after neurotologic surgery, preventing cerebrospinal fluid leaks and meningitis. This innovative material shows promise for managing cranial base and temporal bone defects.
Area of Science:
- Neurosurgery
- Biomaterials Science
Background:
- Transtemporal approaches to the petrous apex and cerebrospinal fluid (CSF) angle are common neurotologic procedures.
- Achieving a watertight dural closure after these surgeries is often challenging, leading to complications like CSF leakage and meningitis.
Purpose of the Study:
- To evaluate the efficacy of hydroxyapatite cement (HAC) in closing dural defects following neurotologic procedures.
- To assess the potential of HAC as a standard material for managing cranial base and temporal bone defects.
Main Methods:
- Hydroxyapatite cement (HAC), a calcium phosphate material, was used in 11 neurotologic procedures.
- The study involved human subjects as part of an FDA-IDE investigation.
Main Results:
- Animal studies demonstrated the efficacy of hydroxyapatite (HA) in similar applications.
- The use of HAC in human subjects is described, highlighting its application in closing cranial defects.
Conclusions:
- Hydroxyapatite cement (HAC) shows promise in preventing cerebrospinal fluid leakage and meningitis post-neurosurgery.
- HAC is expected to become a standard material for managing defects in the cranial base and temporal bone after surgery.