Hydroxyapatite bone cement for suboccipital retrosigmoid cranioplasty: A single institution case series

Publication date: Available online 31 March 2017
Source:American Journal of Otolaryngology
Author(s): Alexander L. Luryi, Ketan R. Bulsara, Elias M. Michaelides
ObjectiveTo report rates of cerebrospinal fluid leak, wound infection, and other complications after repair of retrosigmoid craniotomy with hydroxyapatite bone cement.MethodsRetrospective case review at tertiary referral center of patients who underwent retrosigmoid craniotomy from 2013 to 2016 with hydroxyapatite cement cranioplasty.Outcome measuresPresence of absence of cerebrospinal fluid leak, wound infection, and other complications.ResultsTwenty cases of retrosigmoid craniotomy repaired with hydroxyapatite cement were identified. Median length of follow up was 9.8months. No cases of cerebrospinal fluid leak were identified. One patient developed a wound infection which was thought to be related to a chronic inflammatory response to the implanted dural substitute. No other major complications were noted.ConclusionsA method and case series of suboccipital retrosigmoid cranioplasty using hydroxyapatite cement and a are reported. Hydroxyapatite cement cranioplasty is a safe and effective technique for repair of retrosigmoid craniotomy defects.



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