Percutaneous mesh-container-plasty for osteoporotic thoracolumbar burst fractures: A prospective, nonrandomized comparative study

Mar 2, 2021Acta orthopaedica et traumatologica turcica

Using a mesh container technique to treat collapsed spine fractures from osteoporosis: A forward-looking comparison study

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Abstract

Both percutaneous mesh-container-plasty (PMCP) and percutaneous kyphoplasty (PKP) significantly reduced pain and improved function, but PMCP showed better outcomes in specific metrics.

Visual pain scores decreased from 7 to 2 in both PMCP and PKP groups postoperatively, with no significant difference between them.
The mean cost was lower in the PKP group at $5109 compared to $6699 for the PMCP group.
Postoperative vertebral body height restoration was greater in the PMCP group, with anterior, middle, and posterior height ratios of 88.44%, 86.15%, and 93.91%, respectively.
The Cobb angle, a measure of spinal curvature, was lower in the PMCP group at 6.67° compared to 8.99° in the PKP group postoperatively.
Cement distribution was higher in the PMCP group at 30.48%, indicating more effective cement placement compared to 27.18% in the PKP group.
Cement leakage occurred less frequently in the PMCP group, with 2 cases compared to 10 in the PKP group.

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OBJECTIVE: This study aimed to compare the clinical and radiological results of percutaneous mesh-container-plasty (PMCP) versus percutaneous kyphoplasty (PKP) in the treatment of osteoporotic thoracolumbar burst fractures.

METHODS: A prospective study of 122 patients with osteoporotic thoracolumbar burst fractures was conducted. The patients were nonrandomly assigned to receive PKP (62; 16 men, 46 women) and PMCP (60; 14 men, 46 women). The epidemiological data, surgical outcomes, and clinical and radiological features were compared between the 2 groups. Cement leakage, height restoration, deformity correction, canal compromise, and cement distribution were calculated from the radiographs. Visual pain analog scale (VAS), the Oswestry disability index (ODI), and short-form 36 health survey domains role physical (SF-36 rp) and bodily pain (SF-36 bp) were calculated before surgery and immediately and 2 years after surgery.

RESULTS: Although VAS, ODI, SF-36 bp, and SF-36 rp scores improved from 7 (6-9), 71.28±16.38, 22 (0-32), and 25 (0-50) preoperatively to 2 (1-3), 20.02±8.97, 84 (84-84), and 75 (75-100) immediately postoperatively in the PMCP group (p<0.05) and from 7 (6-8), 71.40±13.52, 22 (10.5-31.75), and 25 (0-50) preoperatively to 2 (1-3), 21.78±11.21, 84 (84-84), and 75 (75-100) immediately postoperatively in the PKP group (p<0.05), there was no difference between the 2 groups. The mean cost in the PKP group was less than that in the PMCP group ($5109±231 vs. $6699±201, p<0.05). Anterior, middle, and posterior vertebral body height ratios in the PMCP group were greater than those in the PKP group postoperatively (88.44%±3.76% vs. 81.10%±11.78%, 86.15%±3.50% vs. 82.30%±11.02%, and 93.91%±3.01% vs. 91.43%±6.71%, respectively, p<0.05). The Cobb angle in the PMCP group was lower than that in the PKP group postoperatively (6.67°±4.39° vs. 8.99°±4.06°, p<0.05). Cement distribution in the PMCP group was higher than that in the PKP group (30.48%±5.62% vs. 27.18%±4.87%, p<0.05). Cement leakage was observed to be lesser in the PMCP group (2/60) than in the PKP group (10 vs. 62, p<0.05).

CONCLUSION: Both PKP and PMCP treatments seem to have significant ability in pain relief and functional recovery. Despite its higher cost, PMCP treatment may have a better inhibition ability of cement leakage, cement distribution, height restoration, and improvement in segmental kyphosis than PKP treatment for osteoporotic thoracolumbar burst fractures.

LEVEL OF EVIDENCE: Level II, Therapeutic Study.

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Percutaneous mesh-container-plasty for osteoporotic thoracolumbar burst fractures: A prospective, nonrandomized comparative study

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