Reduction of bone dust with ultrasonic bone aspiration: implications for retrosigmoid vestibular schwannoma removal

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
Jon D WeberJustin S Golub

Abstract

Postoperative headache is not uncommon after retrosigmoid vestibular schwannoma removal. Bone dust dispersed into the subarachnoid space during drilling may be responsible. If dispersion could be reduced, headache incidence might be decreased. An ultrasonic bone aspirator (UBA) containing an integrated suction at the tip may more effectively suction bone dust created during bone removal. The objective is to determine whether a UBA results in less bone dust dispersion than a standard otologic drill. Cadaveric temporal bone quantitative model. Laboratory. Temporal bone blocks were placed in a watertight enclosure. Under irrigation, bone was removed by use of either a drill or a UBA. The settings of the UBA were varied. The irrigant containing bone dust was microfiltered, and bone dust was weighed. Differences were compared across groups (n = 2-9 per group). Ablation times were also recorded (n = 3 per group). Only 3% (SD = 1.6%, n = 7) of the drilled bone mass was re-collected as bone dust with the UBA under optimized settings (power = 15%, suction = 100%, irrigation = 15 mL/min) compared with 81% (SD = 10%, n = 4) with the drill and external suction (P < .001). Increasing UBA power and reducing suction led to significantly more ...Continue Reading

References

Feb 27, 2007·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Angelo SalamiMassimo Dellepiane
May 3, 2007·The Laryngoscope·Ravi N SamyMyles L Pensak
Aug 23, 2008·Acta Oto-laryngologica·Angelo SalamiRenzo Mora
Jul 23, 2009·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Domenico CudaNicoletta Tinelli
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Sep 4, 2012·Neurosurgical Focus·Shaheryar F AnsariAaron A Cohen-Gadol
Dec 10, 2013·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Tsukasa ItoSeiji Kakehata

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Citations

Feb 24, 2018·Journal of Neurosurgery·Ali Tayebi MeybodiArnau Benet
Nov 22, 2018·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Gavriel D KohlbergRavi N Samy
Apr 18, 2017·The Journal of Laryngology and Otology·C Meller, T E Havas
Nov 3, 2016·Journal of Neuro-oncology·Shervin RahimpourAli R Zomorodi

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