Journal of orthopaedic surgery and research · 2014
Tandem keyhole foraminotomy in the treatment of cervical radiculopathy: retrospective review of 35 cases.
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Terai H, Suzuki A, Toyoda H, Yasuda H, Kaneda K, Katsutani H, Nakamura H
Аннотация
BACKGROUND: There has been no report regarding the results of two-level keyhole foraminotomy. The purpose of this study was to detail clinical outcomes following consecutive two-level cervical foraminotomy (tandem keyhole foraminotomy (TKF)) in patients with radiculopathy.
METHODS: The authors conducted a retrospective review of 35 cases involving patients treated by a single surgeon using TKF. Clinical symptoms, data of physical examinations, pathology and clinical outcomes were detailed and discussed about this surgical method.
RESULTS: Patients consisted of cervical disc herniation (CDH) (19/35), cervical spondylotic radiculopathy (CSR) (13/35), and cervical spondylotic amyotrophy (CSA) (3/35). TKF was performed from C3 to C5 in 2 patients (6%), from C4 to C6 in 7 patients (20%), from C5 to C7 in 23 patients (66%), and from C6 to T1 in 3 patients (8%). The mean operative duration was 99.2 min (range, 72 to 168 min). The mean estimated blood loss was 55.8 g (range, 0 to 200 g). Radicular pain was relieved within 3 months in 88% (29/32) and in 97% (31/32) at final follow-up. Resolution of muscle weakness was recognized within 6 months after operation in all CSA cases. Sixty-six percent of patients showed a greater than 20% deficit in grip weakness on the affected side compared with the normal side. After pain was relieved, grip strength improved by more than 15%.
CONCLUSIONS: TKF is a safe and highly effective procedure for patients with cervical radiculopathy and does not require invasive preoperative examinations. Further investigation is required to determine the effects of consecutive facetectomy.
METHODS: The authors conducted a retrospective review of 35 cases involving patients treated by a single surgeon using TKF. Clinical symptoms, data of physical examinations, pathology and clinical outcomes were detailed and discussed about this surgical method.
RESULTS: Patients consisted of cervical disc herniation (CDH) (19/35), cervical spondylotic radiculopathy (CSR) (13/35), and cervical spondylotic amyotrophy (CSA) (3/35). TKF was performed from C3 to C5 in 2 patients (6%), from C4 to C6 in 7 patients (20%), from C5 to C7 in 23 patients (66%), and from C6 to T1 in 3 patients (8%). The mean operative duration was 99.2 min (range, 72 to 168 min). The mean estimated blood loss was 55.8 g (range, 0 to 200 g). Radicular pain was relieved within 3 months in 88% (29/32) and in 97% (31/32) at final follow-up. Resolution of muscle weakness was recognized within 6 months after operation in all CSA cases. Sixty-six percent of patients showed a greater than 20% deficit in grip weakness on the affected side compared with the normal side. After pain was relieved, grip strength improved by more than 15%.
CONCLUSIONS: TKF is a safe and highly effective procedure for patients with cervical radiculopathy and does not require invasive preoperative examinations. Further investigation is required to determine the effects of consecutive facetectomy.