Abstract
Objective To compare the clinical results between loupes and traditional methods which used in anterior cervical decompression for the treatment of cervical spondylotic myelopathy (CSM).Methods A retrospective study of 59 patients with CSM who had undergone cervical decompression from June 2010 to September 2012 was performed.Twenty-nine patients underwent surgery by loupes and 30 patients by traditional methods respectively.Clinical results were assessed by comparing the following parameters between patients who were in the two groups:length of postoperative stay,hospitalization cost,operative time,and estimated blood loss during operation,complications,Japanese Orthopaedic Association (JOA) score and JOA recovery rate.Results All patients were followed up from 3 to 39 months with an average of (24.64 ± 10.07) months.No statistically significant differences were identified in preoperative JOA score,hospitalization cost,and length of stay (P ＞0.05).Statistically significant differences were identified in estimated blood loss during operation,operative time and complications.When follow up,group A experienced the greater improvement than group B in neurological function,both in follow up JOA (14.76 ± 1.35 vs 14.03 ± 1.40,P ＜ 0.05) and JOA recovery rate (62.54 ±14.70 vs 51.68 ± 14.75,P ＜0.05) ; Forty-six cases (21 in group A and 25 in group B) received post-operative MRI check,the narrowest area of spinal canal and spinal cord in group A increased (52.8 ± 11.8) ％ and (43.3 ± 15.6)％,was higher than that (41.8 ± 14.2)％ and (21.4±7.8)％ in group B respectively (P ＜ 0.05).Conclusion Loupes can provide relatively more clear and comfortable vision for the anterior cervical decompression surgery.It can decrease blood loss,reduce complications,which can ensure better clinical results. Key words: Cervical spondylosis, type of spinal cord; Anterior cervical surgery; Microsurgery; Treatment outcome
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