Spine · 2009
Surgical correction and fusion using posterior-only pedicle screw construct for neuropathic scoliosis in patients with cerebral palsy: a three-year follow-up study.
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Modi Hitesh N, Hong Jae-Young, Mehta Satyen S, Srinivasalu S, Suh Seung-Woo, Yi Ju-Won, Yang Jae-Hyuk, Song Hae-Ryong
Аннотация
STUDY DESIGN: It is a retrospective study of 52 neuromuscular scoliosis patients with cerebral palsy (CP).
OBJECTIVE: To determine the effectiveness and amount of correction using posterior-only pedicle screw construct.
SUMMARY OF BACKGROUND DATA: Although there have been many reports in literature supporting the use of pedicle screw-only constructs for the correction of adolescent idiopathic scoliosis, similar studies have not been reported in patients with CP.
METHODS: We retrospectively evaluated outcomes of 52 neuropathic scoliosis patients (28 males and 24 females) with CP over minimum 2 years of follow-up. All patients underwent pedicle screw fixation without any anterior procedure for the correction. Pelvic fixation was done in 10 patients who had pelvis obliquity more than 15 degrees . All coronal and sagittal parameters were noted after surgery and at final follow-up. Patient's functional outcome was measured using modified Rancho Los Amigos Hospital system criteria. Complications were recorded from record sheets and any change in the ambulatory status was also recorded.
RESULTS: Mean age was 22 years at the time of operation and average follow-up was 36.1 month. Cobb's angle was improved to 62.9% (P < 0.0001) from 76.8 degrees to 30.1 degrees after surgery and 31.5 degrees at final follow-up. This correction of scoliosis (41% approximately 92%) was found to be statistically significant (P < 0.0001). Overall correction in pelvic obliquity was 56.2% from 9.2 degrees before surgery to 4.0 degrees after surgery which was 43.1% at final follow-up to 5.2 degrees. Twenty-one patients (42%) improved their functional ability by grade 1 with 2 patients by grade 2. After the operation parent or caretakers of patients exhibited better sitting balance and nursing care. There were 32% complications in the series major being pulmonary. There were 2 perioperative deaths and 1 patient developed neurologic deficit due to screw impingement in canal, which was resolved after removal.
CONCLUSION: We reported satisfactory coronal and sagittal correction with posterior-only pedicle screw fixation without higher complication rate in CP patients. Further long-term study is recommended to evaluate the success of pedicle screw in this population.
OBJECTIVE: To determine the effectiveness and amount of correction using posterior-only pedicle screw construct.
SUMMARY OF BACKGROUND DATA: Although there have been many reports in literature supporting the use of pedicle screw-only constructs for the correction of adolescent idiopathic scoliosis, similar studies have not been reported in patients with CP.
METHODS: We retrospectively evaluated outcomes of 52 neuropathic scoliosis patients (28 males and 24 females) with CP over minimum 2 years of follow-up. All patients underwent pedicle screw fixation without any anterior procedure for the correction. Pelvic fixation was done in 10 patients who had pelvis obliquity more than 15 degrees . All coronal and sagittal parameters were noted after surgery and at final follow-up. Patient's functional outcome was measured using modified Rancho Los Amigos Hospital system criteria. Complications were recorded from record sheets and any change in the ambulatory status was also recorded.
RESULTS: Mean age was 22 years at the time of operation and average follow-up was 36.1 month. Cobb's angle was improved to 62.9% (P < 0.0001) from 76.8 degrees to 30.1 degrees after surgery and 31.5 degrees at final follow-up. This correction of scoliosis (41% approximately 92%) was found to be statistically significant (P < 0.0001). Overall correction in pelvic obliquity was 56.2% from 9.2 degrees before surgery to 4.0 degrees after surgery which was 43.1% at final follow-up to 5.2 degrees. Twenty-one patients (42%) improved their functional ability by grade 1 with 2 patients by grade 2. After the operation parent or caretakers of patients exhibited better sitting balance and nursing care. There were 32% complications in the series major being pulmonary. There were 2 perioperative deaths and 1 patient developed neurologic deficit due to screw impingement in canal, which was resolved after removal.
CONCLUSION: We reported satisfactory coronal and sagittal correction with posterior-only pedicle screw fixation without higher complication rate in CP patients. Further long-term study is recommended to evaluate the success of pedicle screw in this population.