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find Keyword "Kümmell’s disease" 3 results
  • Effectiveness comparison between two operations in treatment of unstable type Kümmell’s disease

    Objective To compare the effectiveness between short segmental fixation combined with vertebroplasty (SSF+VP) and short segmental pedicle screw fixation combined with bone graft (SSF+BG) in the treatment of unstable type Kümmell’s disease so as to provide a reference for the selection of the surgical method. Methods Between March 2013 and February 2015, 48 patients with unstable type Kümmell’s disease who were in accordance with the inclusive criteria were included in the study. SSF+VP were used in 25 cases (SSF+VP group) and SSF+BG in 23 cases (SSF+BG group). There was no significant difference in gender, age, disease duration, bone mineral density, fracture segment, and preoperative visual analogue scale (VAS), Oswestry disability index (ODI), and kyphotic Cobb angle between 2 groups (P>0.05). The operation time and complications related to operation were recorded; the effectiveness was evaluated by VAS, ODI, and kyphotic Cobb angle. Results The operation time was (107.7±18.8) minutes in SSF+VP group and was (113.7±22.4) minutes in SSF+BG group, showing no significant difference between 2 groups (t=–1.045,P=0.302). Bone cement leakage occurred in 6 cases of SSF+VP group, and incision delayed healing occurred in 1 case of SSF+BG group. All patients achieved bone graft fusion on X-ray films. The bone graft fusion time was (15.1±1.3) weeks in SSF+VP group and (15.7±1.8) weeks in SSF+BG group, showing no significant difference between 2 groups (t=–1.361,P=0.180). The VAS, ODI, and kyphotic Cobb angle at immediate after operation and at last follow-up were significantly lower than preoperative ones (P<0.05). The VAS, ODI, and kyphotic Cobb angle had no significant difference between at immediate and at last follow-up in SSF+VP group (P>0.05). In SSF+BG group, VAS at last follow-up was significantly lower than that at immediate after operation (P<0.05), but no significant difference was found in kyphotic Cobb angle and ODI (P>0.05). SSF+VP group was significantly better than SSF+BG group in VAS at immediate after operation (P<0.05), but SSF+BG group was significantly better than SSF+VP group at last follow-up (P<0.05). There was no significant difference in kyphotic Cobb angle and ODI between 2 groups at immediate after operation and at last follow-up (P>0.05). Conclusion SSF+BG can achieve satisfactory effectiveness in the treatment of unstable type Kümmell’s disease, and it has the advantages of good bony healing, obvious improvement of pain, and low complication incidence when compared with SSF+VP.

    Release date:2017-03-13 01:37 Export PDF Favorites Scan
  • Effectiveness of posterior short-segmental fixation with bone cement augmentation for stage Ⅲ Kümmell’s disease with spinal canal stenosis

    Objective To investigate the effectiveness of posterior short-segmental fixation with bone cement augmentation in treatment of stage Ⅲ Kümmell’s disease with spinal canal stenosis. Methods Between June 2012 and January 2017, 36 patients with stage Ⅲ Kümmell’s disease and spinal canal stenosis were treated by posterior short-segmental fixation and bone cement augmentation. There were 12 males and 24 females, aged 55-83 years (mean, 73.5 years). The disease duration ranged from 2 to 8 months, with an average of 4.6 months. Preoperative bone mineral density examination showed that all patients had different degrees of osteoporosis in the spines. The lesion segments included T10 in 4 cases, T11 in 7 cases, T12 in 8 cases, L1 in 9 cases, and L2 in 8 cases. The preoperative neural function was classified as grade B in 4 cases, grade C in 12 cases, grade D in 13 cases, and grade E in 7 cases according to Frankle classification. The operation time, intraoperative blood loss, and the volume of injected bone cement, and hospital stay were recorded. The visual analogue scale (VAS) score, Oswestry Disability Index (ODI), kyphotic Cobb angle, and the height of anterior edge of injured vertebra were recorded before operation, at 1 week after operation, and at last follow-up; and the leakage of bone cement was observed. Results All operations were completed successfully. The operation time was 90-145 minutes (mean, 110.6 minutes); the intraoperative blood loss was 198-302 mL (mean, 242.5 mL); the volume of injected bone cement was 8.3-10.5 mL (mean, 9.2 mL); the hospital stays were 7-12 days (mean, 8.3 days). All patients were followed up 12-26 months (mean, 24.5 months). At 1 week after operation, the neural function was classified as grade B in 2 cases, grade C in 8 cases, grade D in 12 cases, and grade E in 14 cases, which was significantly improved when compared with that before operation (Z=2.000, P=0.047). The VAS score, ODI, the height of anterior edge of injured vertebra, and Cobb angle were significantly improved at 1 week and last follow-up when compared with preoperative values (P<0.05); but there was no significant difference between 1 week and last follow-up (P>0.05). Two cases had asymptomatic cement leakage to the intervertebral disc at 1 week after operation; and 1 case had adjacent vertebral fracture at 8 months after operation. No complication such as loosening or breaking of internal fixator occurred during the follow-up. Conclusion Posterior short-segmental fixation with bone cement augmentation is a safe and effective surgical scheme for stage Ⅲ Kümmell’s disease combined with spinal canal stenosis, which can avoid the aggravation of nerve injury and complications related to staying in bed.

    Release date:2019-06-04 02:16 Export PDF Favorites Scan
  • Clinical application of an improved classification system of Kümmell’s disease

    ObjectiveTo report an improved classification system of Kümmell’s disease and its clinical application.MethodsBased on CT and MRI, an improved classification system of Kümmell’s disease was proposed in terms of the integrity of sagittal endplate, the integrity of posterior wall of vertebral body, and the degree of vertebral compression. Between January 2011 and March 2018, the improved classification system was used to evaluate and guide the treatment of 78 patients with Kümmell’s disease. There were 13 males and 65 females. The mean age was 69.1 years (range, 54-85 years). The mean disease duration was 4.0 months (range, 1-8 months). The mean T value of bone mineral density was −3.66 (range, −3.86- −3.34).The fractures located at thoracic vertebrae in 47 cases and lumbar vertebrae in 31 cases. According to the modified classification system of Kümmell’s disease, there were 11 cases of type A1, 13 cases of type A2, 2 cases of type A3, 10 cases of type B1, 18 cases of type B2, 4 cases of type B3, 4 cases of type C1, 5 cases of type C2, and 11 cases of type C3. According to the classification results, the patients of types A and B were treated with percutaneous kyphoplasty (PKP), while the patients of type C were treated with PKP or intra- vertebral fixation according to the degree of vertebral reduction. Visual analogue scale (VAS) score and Oswestry Disability Index (ODI) were used to evaluate clinical efficacy. The heights of the anterior, middle, and posterior edges of the vertebrae and the Cobb angle were measured to evaluate the reduction of the injured vertebrae and the improvement of kyphosis deformity. The complications were recorded.ResultsThe statistical analysis showed that the improved classification system has good consistency. All patients were followed up 12-36 months (mean, 24.3 months). The heights of anterior, middle, and posterior edges of the vertebrae, Cobb angle, VAS score, and ODI of all types of patients at last follow-up showed significant differences when compared with those before operation (P<0.05). After operation, 4 patients of type A2 had different degree of vertebral height loss; 2 patients of type B2, 3 patients of type C1, and 2 patients of type C2 developed asymptomatic bone cement leakage during PKP; 2 patients of type B3 and 3 patients of type C2 underwent percutaneous internal fixation and vertebral augmentation due to bone cement loosening.ConclusionThe modified classification system of Kümmell’s disease can be used to guide treatment of Kümmell’s disease, but the number of clinical application cases is limited, and further application and observation are needed.

    Release date:2021-04-27 09:12 Export PDF Favorites Scan
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