PMID- 35046538 OWN - NLM STAT- MEDLINE DCOM- 20220622 LR - 20230210 IS - 1476-5624 (Electronic) IS - 1362-4393 (Linking) VI - 60 IP - 6 DP - 2022 Jun TI - Acute hyperextension myelopathy in children: Radiographic predictors of clinical improvement. PG - 498-503 LID - 10.1038/s41393-021-00739-w [doi] AB - STUDY DESIGN: Retrospective case series SETTING: Three hospitals in China. OBJECTIVE: Previous research indicates that only neurological status on admission determines prognosis of acute hyperextension myelopathy (AHM). The object of this study is to analyze other unfavorable predictors of AHM in children. METHODS: The clinical data of children with AHM were retrospectively analyzed. The ASIA impairment scale (AIS) grade was recorded upon admission and at last follow-up. Intramedullary lesion length (IMLL) was measured in the sagittal T2-weighted imaging (T2WI) within two weeks after onset; gadolinium enhancement in the cord was recorded for each patient. Relationships among AIS grade, IMLL, gadolinium enhancement in the cord, and clinical improvement were assessed. RESULTS: A total of 33 patients were included in this retrospective study. IMLL between complete and incomplete injury was significantly different (p < 0.01) in the subacute stage, and no difference was observed in the acute stage. Correlation analysis revealed that AIS grade on admission (r = 0.906, p < 0.001) was significantly positively correlated with clinical improvement. IMLL (r = -0.608, p < 0.001) and abnormal gadolinium enhancement (r = -0.816, p < 0.001) in the cord in the subacute stage were significantly negatively correlated with clinical improvement. There were no associations between IMLL in the acute stage and clinical improvement (r = -0.248, p = 0.242). The statistically significant predictors of clinical improvement were AIS grade on admission, IMLL in the subacute stage, and abnormal gadolinium enhancement. CONCLUSION: IMLL in the subacute stage and abnormal gadolinium enhancement in the cord are two other prognostic predictors of AHM in children. CI - (c) 2021. The Author(s), under exclusive licence to International Spinal Cord Society. FAU - Wang, Yulong AU - Wang Y AUID- ORCID: 0000-0002-0895-6010 AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. FAU - Zeng, Lian AU - Zeng L AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. FAU - Zhu, Fengzhao AU - Zhu F AD - Department of Orthopaedic Surgery, Affiliated Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China. FAU - Huang, Guixiong AU - Huang G AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. FAU - Wan, Yizhou AU - Wan Y AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. FAU - Yao, Sheng AU - Yao S AD - Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China. FAU - Chen, Kaifang AU - Chen K AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. FAU - Guo, Xiaodong AU - Guo X AUID- ORCID: 0000-0001-9429-457X AD - Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. xiaodongguo@hust.edu.cn. LA - eng PT - Journal Article DEP - 20220120 PL - England TA - Spinal Cord JT - Spinal cord JID - 9609749 RN - 0 (Contrast Media) RN - AU0V1LM3JT (Gadolinium) SB - IM MH - Cervical Vertebrae/surgery MH - Child MH - Contrast Media MH - Gadolinium MH - Humans MH - Magnetic Resonance Imaging/methods MH - Retrospective Studies MH - *Spinal Cord Diseases MH - *Spinal Cord Injuries/pathology EDAT- 2022/01/21 06:00 MHDA- 2022/06/23 06:00 CRDT- 2022/01/20 05:56 PHST- 2021/07/21 00:00 [received] PHST- 2021/12/08 00:00 [accepted] PHST- 2021/12/08 00:00 [revised] PHST- 2022/01/21 06:00 [pubmed] PHST- 2022/06/23 06:00 [medline] PHST- 2022/01/20 05:56 [entrez] AID - 10.1038/s41393-021-00739-w [pii] AID - 10.1038/s41393-021-00739-w [doi] PST - ppublish SO - Spinal Cord. 2022 Jun;60(6):498-503. doi: 10.1038/s41393-021-00739-w. Epub 2022 Jan 20.