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Revista argentina de neurocirugía
versión On-line ISSN 1850-1532
Resumen
MEZZADRI, Juan José y JALON, Pablo. Cuidados técnicos durante la artroplastia cervical: Presentación de dos casos. Rev. argent. neurocir. [online]. 2007, vol.21, n.3. ISSN 1850-1532.
Objective: To describe and analyze two cases of cervical arthroplasty with spinal misalignment. Description: Both, a 44-year-old female (case 1) with a 9 months history of myeloradiculopathy and a 50-year-old female (case 2) with a 2 year history of cervicobrachial pain had a C5-C6 posterolateral discal hernia diagnosed by magnetic resonance. As medical treatment failed, both patients were taken to surgery. Intervention: In both cases we performed a cervical arthroplasty using a 14 mm Bryan cervical disc prosthesis. There were no intraoperative complications. Case 1 had a postoperative sagittal misalignment: end plate angle was -10° (preoperative +3°). This was caused by an inappropriate use of the manual stabilizer. Case 2 had a postoperative coronal misalignment: coronal angle was 18° (preoperative 0°). This was caused by the asymmetric anterior ostheophyte and end plate drilling. At the latest follow-up, 6 and 3 months respectively, case 1 still had muscular pain and case 2 was asymptomatic. Conclusion: In both cases misalignment problems could have been avoided with a proper surgical technique and were not inherent to the insertion technique.
Palabras clave : Bryan cervical disc prosthesis; Cervical arthroplasty; Spinal alignment.