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Clinical Manifestations and MRI Features of Pediatric Spinal Cord Injury after Back Bend / 中国康复理论与实践
Chinese Journal of Rehabilitation Theory and Practice ; (12): 456-465, 2021.
Article in Chinese | WPRIM | ID: wpr-905263
ABSTRACT

Objective:

To explore the clinical manifestations and MRI features of pediatric spinal cord injury (SCI) after back bend.

Methods:

A retrospective study was performed. All the medical records and MRI images of children with SCI after back bend were identified in Beijing Bo'ai Hospital from January 1st, 2002 to August 31st, 2020.

Results:

A total of 120 SCI children after back bend were reviewed, out of whom 119 cases were girls, one case was boy. The age ranged from 38 to 162 months, with the median age of 76 months. More cases were discovered in July and September every year (32 cases, 26.7%), as well as in weekends (67 cases, 55.8%). The main clinical manifestations were sensory and motor dysfunction of both lower limbs (120 cases, 100%), bladder and bowl incontinence (120 cases, 100%). The common first symptoms included sudden attack of lumbar pain (39 cases, 32.5%), lower limbs paralysis (30cases, 25.0%) and leg pain (10 cases, 8.3%). The peak time of symptoms ranged from five minutes to two days, with the median time of 50 minutes. The MRI features of 104 children with SCI within one week after back bend were as follows the abnormal signals of MRI in spinal cord involved lower cervical and all the following segments of spinal cord. The number of the segments of spinal cord with abnormal signals ranged from two to 15, with the median of seven segments. The most common segments with abnormal signals were T9 (96 cases, 92.3%), T10 (96 cases, 92.3%) and T11 (90 cases, 86.5%). Among the cases followed up, 48 cases with complete injury demonstrated a vast and serous spinal cord atrophy (SCA) below the injury segments as early as 37 days after the injury, the SCA would become worse at the chronic stage and maybe involve the spinal cord above the injury segments. In 31 cases with incomplete injury, the abnormal signals of MRI in spinal cord were limited in the lumbar enlargement, with a various degree of SCA at the late stage. All the cases were diagnosed as SCI without radiologic abnormality, out of whom 89 (74.2%) cases suffered from thoracic complete SCI, 31 (25.8%) cases suffered thoracic or lumbar incomplete SCI. The common complications included scoliosis, hip joint dysplasia, urinary tract infection, hydronephrosis, osteoporosis, pathological fracture of lower limbs and valgus knee.

Conclusion:

The main clinical symptoms of pediatric SCI after back bend were sudden lumbar pain, sensory and motor dysfunction of both lower limbs, and bladder and bowl incontinence. Most of the cases were thoracic complete SCI, the MRI features at the early stage were multiple segments of abnormal signals of spinal cord around T9 and T10, and later an extensive severe SCA below the injury segments to the conus medullaris, accompanied by the SCA above the injury segments.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Rehabilitation Theory and Practice Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Rehabilitation Theory and Practice Year: 2021 Type: Article