Abstract
Background Short-track speed skating (STSS) is an extreme sport in pursuit of extreme speed and explosive force. In such a sport, once athletes fall down, they are susceptible to serious cervical spine injury (CSI) under the inertia of high-velocity movement. Nanohydroxyapatite/polyamide 66 (NHP66) bioactive cage is a high-tech product of nanotechnology in the medical field in recent years. With a structure similar to that of human cortical bone, NHP66 bioactive cage has extremely high toughness and strength, which tailors to the needs of STSS. Objective This study mainly analyzed the therapeutic effect of NHP66 on patients with CSI in STSS, aiming to provide new opportunities for the treatment of this patient population. Methods A total of 51 patients with CSI treated in our hospital were enrolled, including 19 cases of short-track speed skaters (observation group) and 32 cases of car accidents, falls from heights, or collision injuries (control group). The relevant surgical indicators (operation time, intraoperative blood loss, etc.), the incidence of adverse reactions, the Cobb angle of cervical lordosis before and after surgery, and the fusion segment height of the cage were observed and compared between the two groups. Postoperative pain was evaluated by the visual analog scale (VAS), improvement of spinal cord injury was assessed by the American Spinal Cord Injury Association (ASIA) Impairment Scale, and bone fusion, bone subsidence, and other motor functions were assessed by the Japanese Orthopaedic Association (JOA) score rating system. Results The operation time, intraoperative blood loss, and incidence of adverse reactions in the observation group were significantly lower than those in the control group. The Cobb angle of cervical lordosis and the fusion segment height of cage increased significantly higher in both groups after surgery. In addition, the VAS scores of the observation group 2 h and 3 d after operation were significantly lower than those of the control group. In terms of improvement of spinal cord injury, ASIA and JOA scores in the observation group were significantly higher than those before treatment and in the control group. There was no significant difference in bone fusion activity between the two groups. Conclusions In this study, it is found through experiments that NHP66 has higher safety and application value than autogenous iliac bone, confirming that NHP66 can achieve significant results as a cage for anterior cervical decompression and iliac bone graft fusion and internal fixation in short-track speed skaters after CSI.
Highlights
In the fierce and fast movements of competitive sports, athletes are susceptible to injuries due to accidents [1]
For patients in the observation group, Nanohydroxyapatite/polyamide 66 (NHP66) bioactive cage was used as the vertebral cage, and the bone fragments dropping during spinal canal decompression were filled into the hollow part of the cage and implanted into the intervertebral bone groove
It was found that the operation time of the observation group was significantly shorter than that of the control group (94:21 ± 7:45 vs. 138:36 ± 8:57, P < 0:05), and the intraoperative blood loss was significantly less in the observation group compared with the control group (140:12 ± 28:45 vs. 181:39 ± 37:67, P < 0:05) (Figure 1)
Summary
In the fierce and fast movements of competitive sports, athletes are susceptible to injuries due to accidents [1]. Shorttrack speed skating (STSS) is an extreme sport in pursuit of extreme speed and explosive force In such a sport, once falling or wrestling due to improper operation, athletes are prone to serious injuries under the inertia of high-velocity movement, among which cervical spine injury (CSI) is a common one [2, 3]. In such a sport, once athletes fall down, they are susceptible to serious cervical spine injury (CSI) under the inertia of high-velocity movement. It is found through experiments that NHP66 has higher safety and application value than autogenous iliac bone, confirming that NHP66 can achieve significant results as a cage for anterior cervical decompression and iliac bone graft fusion and internal fixation in short-track speed skaters after CSI
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