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Unilateral secondary puncture percutaneous vertebroplasty for acute symptomatic osteoporotic thoracolumbar fractures of type ⅡA / 中华创伤骨科杂志
Chinese Journal of Orthopaedic Trauma ; (12): 583-590, 2022.
Article in Chinese | WPRIM | ID: wpr-956560
ABSTRACT

Objective:

To explore the clinical effects of unilateral secondary puncture percutaneous vertebroplasty (PVP) in the treatment of type ⅡA acute symptomatic osteoporotic thoracolumbar fractures (ASOTLF).

Methods:

A retrospective case-control study was conducted to analyze the clinical data of 193 patients with type ⅡA ASOTLF who had been admitted to Department of Spine Surgery, Honghui Hospital from February 2016 to October 2018. They were 71 males and 122 females, aged from 65 to 90 years [average, (73.9±4.3) years]. The segments injured were T10 in 21 cases, T11 in 27 cases, T12 in 44 cases, L1 in 48 cases, L2 in 29 cases, L3 in 14 cases, and L4 in 10 cases. Of them, 85 received unilateral secondary puncture PVP (observation group) and 108 did not (control group). The clinical effects were evaluated by comparing between the 2 groups the operation time, bone cement injection volume, intraoperative blood loss, hospital stay, and visual analogue scale (VAS) for back pain, spinal Oswestry disability index (ODI), anterior height of the injured vertebral body (AH) and kyphosis angle (KA) of the injured vertebra before operation, at 3 days after operation and the last follow-up. The bone cement leakage and fracture of adjacent vertebral body were observed.

Results:

All patients were followed up for 12 to 24 months (average, 15.8 months). There was no significant difference in the preoperative general data between the 2 groups, showing they were comparable ( P>0.05). The operation time and bone cement injection volume [(36.2±1.4) min and (5.5±0.7) mL] in the observation group were significantly longer or more than those in the control group [(32.3±1.7) min and (4.0±0.7) mL] ( P<0.05). There was no significant difference in the hospital stay or intraoperative blood loss between the 2 groups ( P>0.05). The VAS, ODI, AH and KA at 3 days after operation and the last follow-up were significantly improved compared with those before operation in both groups ( P<0.05). There was no significant difference in VAS, ODI, AH or KA between the 2 groups before operation or at 3 days after operation ( P>0.05). However, the VAS, ODI, AH and KA at the last follow-up in the observation group [(2.2±0.8) points, 19.2%±5.8%, (2.90±0.21) cm, and 12.2°±1.5°] were better than those in the control group [(3.1±0.9) points, 22.8%±5.3%, (2.41±0.15) cm, and 13.3°±1.2°]. There was no significant difference between the 2 groups in the incidence of postoperative bone cement leakage or that of adjacent vertebral fracture ( P>0.05).

Conclusions:

In the treatment of type ⅡA ASOTLF, unilateral secondary puncture PVP can result in satisfactory clinical effects, because it effectively promotes dispersion of bone cement and prevents re-collapse of the vertebra operated but does not increase the risks of bone cement leakage and adjacent vertebral fracture.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedic Trauma Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedic Trauma Year: 2022 Type: Article