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PubMed2006

Prospective measurement of function and pain in patients with non-neoplastic compression fractures treated with vertebroplasty.

BACKGROUND: There has been an increasing number of reports regarding the benefits of vertebroplasty for the treatment of vertebral compression fractures. In this investigation, validated outcome tools were utilized to document the impact of vertebroplasty on pain and function. METHODS: Fifty patients were recruited at a tertiary university hospital. Patients had been treated for intractable pain due to osteoporotic compression fracture(s) for at least four weeks. The vertebroplasty procedures were performed by a radiologist. The subjects were followed prospectively for one year and received conservative treatment in conjunction with the vertebroplasty. Validated outcome tools, including a visual analog scale, the Oswestry scale, and the Roland-Morris functional activity questionnaire, were used to evaluate changes in pain and functional capabilities. RESULTS: Fifty patients, thirty-one women and nineteen men (mean age, 68.6 years), were followed prospectively for one year. One hundred and three fractures (fifty-nine thoracic and forty-four lumbar) were treated. The visual analog scale showed the greatest improvement between the baseline score (mean, 7.76) and the score at one month (mean, 2.9), and the score remained improved at one year (mean, 2.9). The Oswestry and Roland-Morris questionnaires demonstrated significant (p < 0.0001) functional improvement between the baseline and one-month scores. With the numbers available, there were no significant changes in any variable from one month to one year (p > 0.05). CONCLUSIONS: Vertebroplasty is an effective treatment for patients with intractable pain due to osteoporotic vertebral compression fractures. Improvement in pain scores and functional capabilities that were found at one month were maintained at one year.

Adult↗
PubMed2006

Risk factors of developing new symptomatic vertebral compression fractures after percutaneous vertebroplasty in osteoporotic patients.

Percutaneous vertebroplasty (PVP) is an efficient procedure to treat pain due to osteoporotic vertebral compression fractures (OVCFs). However, some patient populations experience recurrent vertebral fracture after initial successful procedure. There are a lot of literatures about the effectiveness of this procedure but few concerning the development of recurrent, new compression fracture. This is a retrospective review of all PVPs performed in author's institution from September 1999 to December 2001 to investigate the factors related to the development of new symptomatic OVCFs after PVPs. A retrospective review of 244 cases of PVP for symptomatic OVCFs at 382 levels was performed. Sociodemographic, clinical, radiologic, and procedural data were analyzed and compared between the two patient groups (control group : no further symptomatic OVCFs after the initial PVP, "new symptomatic fracture" group: with newly developed symptomatic OVCF). Statistical analysis was performed between the variables of the two groups. Survival analysis was performed using the Kaplan-Meier method. Over all, 38 among 244 treated patients (15.6%) had experienced newly developed symptomatic OVCF(s) during the follow up period (mean 52.5 months). Old age and the presence of multiple treated vertebrae at the initial PVP were assessed as a strong parameter for predicting new symptomatic OVCF. With increasing preoperative wedging deformity the risk of developing new symptomatic OVCF decreased. The Kaplan-Meier estimate of the 1 year fracture-free rate was 92.2%. The Kaplan-Meier curve showed that 7.8% of the patients would experience new symptomatic OVCF within 1 year after initial PVP. A preoperative only mild wedge deformity of the fractured vertebra(e) could indicate the increased risk of developing new symptomatic OVCF after vertebroplasty.

Aged↗
PubMed2002

Percutaneous vertebroplasty for the treatment of osteoporotic vertebral compression fractures: a preliminary report.

BACKGROUND: This report assesses the efficacy and safety of percutaneous vertebroplasty for osteoporotic vertebral compression fractures and reports on preliminary results of its use. METHODS: The technique was used on 50 patients with 86 painful vertebral fractures, all of which had failed to respond to earlier conservative medical treatment. The technique involves percutaneous puncture of the involved vertebra via a transpedical approach followed by injection of polymethyl methacrylate (PMMA) into the compressed vertebra. Patients were asked to quantity their degree of pain on Huskisson's visual analogue scale (VAS) to assess the clinical symptoms and surgical results. RESULTS: The procedures were technically successful in all patients, and no complications relating to either the anesthesia or the surgical procedure were reported. The quantity of PMMA injected per vertebral body varied from 2.5 to 12 ml according to both the position of the damaged vertebra(e) and the severity of the compression fracture. Pain, as assessed on the Huskisson's VAS, decreased from 82 +/- 15 mm at the baseline to 37 +/- 22 mm on the first postoperative day, and 32 +/- 19 mm at 1 month. Reductions in pain from the baseline to the first day and to 1 month were both statistically significant (p < 0.05). All patients were able to return to their previous activity and quality of life. CONCLUSION: Through the expertise and attention of experienced surgeons, percutaneous vertebroplasty appears to provide a very good surgical choice for patients with vertebral compression fractures, as this surgical procedure is able to eliminate the risk of major spinal surgery, and through prompt pain relief, may provide early mobilization and rehabilitation for elderly polymorbid patients.

Adult↗
PubMed2002

Reconstruction of the cuboid in compression fractures: short to midterm results in 12 patients.

Cuboid compression fractures are rare injuries, usually occurring in combination with medial midfoot fractures or dislocations. During a three year period 12 patients with cuboid fractures were operatively treated at our institution. Eleven patients had involvement of the tarsometatarsal 4 and 5 joints, four of the calcaneocuboid joint, and three of both the proximal and distal joints. The lateral column was shortened in five patients. Open reduction was facilitated using a distracting external fixator. Iliac crest corticocancellous grafts were necessary in seven patients. Single or double plate fixation was performed in eight, screw fixation alone in four patients. Follow-up ranged from 12 to 47 months. Results were good with respect to restoration of length, reconstruction of the joint facets and overall return to function. Minor residual symptoms were noted in one (of four) injured calcaneocuboid joints, in none (of 11) of the tarsometatarsal joints 4 and in two (of 11) of the tarsometatarsal joints 5. More frequently and to a greater extent symptoms arose from the associated midfoot injuries. Deformity and disability from cuboid compression fractures can effectively be prevented by immediate aggressive treatment consisting of open reduction and internal fixation.

Adult↗
PubMed2001

Percutaneous vertebroplasty in the treatment of vertebral body compression fracture secondary to osteogenesis imperfecta.

Percutaneous vertebroplasty, a minimally invasive interventional radiological procedure, has recently been used effectively for the treatment of symptomatic vertebral body compression fractures. Primary indications for vertebroplasty include osteoporotic compression fracture, osteolytic vertebral metastasis and myeloma, and vertebral hemangioma. We present a case and extend the indication of percutaneous vertebroplasty in a patient with a vertebral body compression fracture secondary to osteogenesis imperfecta.

Bone Cements↗
PubMed1999

The use of an injectable, biodegradable calcium phosphate bone substitute for the prophylactic augmentation of osteoporotic vertebrae and the management of vertebral compression fractures.

STUDY DESIGN: A biomechanical study comparing two materials for augmentation of osteoporotic vertebral bodies and vertebral bodies after compression fracture. OBJECTIVES: To compare an injected, biodegradable calcium phosphate bone substitute with injected polymethylmethacrylate bone cement for strengthening osteoporotic vertebral bodies and improving the integrity of vertebral compression fractures. SUMMARY OF BACKGROUND DATA: Injection of polymethylmethacrylate bone cement into fractured vertebral bodies has been used clinically. However, there is concern about thermal damage to the neural elements during polymerization of the polymethylmethacrylate bone cement as well as its negative effects on bone remodeling. Biodegradable calcium phosphate bone substitutes have been studied for enhancement of fixation in fractured vertebrae. METHODS: Forty fresh osteoporotic thoracolumbar vertebrae were used for two separate parts of this study: 1) injection into osteoporotic vertebrae: intact control (n = 8), calcium phosphate (n = 8), and polymethylmethacrylate bone cement (n = 8) groups. Each specimen then was loaded in anterior compression until failure; 2) injection into postfractured vertebrae: calcium phosphate (n = 8) and polymethylmethacrylate bone cement (n = 8) groups. Before and after injection, the specimens were radiographed in the lateral projection to determine changes in vertebral body height and then loaded to failure in anterior bending. RESULTS: For intact osteoporotic vertebrae, the average fracture strength was 527 +/- 43 N (stiffness, 84 +/- 11 N/mm), 1063 +/- 127 N (stiffness, 157 +/- 21 N/mm) for the group injected with calcium phosphate, and 1036 +/- 100 N (stiffness, 156 +/- 8 N/mm) for the group injected with polymethylmethacrylate bone cement. The fracture strength and stiffness in the calcium phosphate bone substitute group and those in the polymethylmethacrylate bone cement group were similar and significantly stronger than those in intact control group (P < 0.05). For the compression fracture study, anterior vertebral height was increased 58.5 +/- 4.6% in the group injected with calcium phosphate and 58.0 +/- 6.5% in the group injected with polymethylmethacrylate bone cement as compared with preinjection fracture heights. No significant difference between the two groups was found in anterior vertebral height, fracture strength, or stiffness. CONCLUSION: This study demonstrated that the injection of a biodegradable calcium phosphate bone substitute to strengthen osteoporotic vertebral bodies or improve vertebral compression fractures might provide an alternative to the use of polymethylmethacrylate bone cement.

Absorbable Implants↗
PubMed2003

Spinal epidural lipomatosis with thoracic osteoporotic compression fracture causing paraplegia.

Spinal epidural lipomatosis (SEL) frequently occurs as a result of long-term steroid administration for various disorders, and patients often present with osteoporosis. Acute paraplegia in patients with extensive thoracic SEL is rare. We report a case of acute paraplegia caused by osteoporotic compression fracture with extensive thoracic SEL in a 44-year-old man with rheumatoid arthritis who had received steroid therapy for 4 years. He presented initially with abdominal distension and weakness of lower limbs, and a sudden onset of paraplegia with complete motor and sensory loss below the T6 level ensued. Plain radiographs showed an osteoporotic compression fracture of the T6 vertebra. Magnetic resonance imaging showed osteoporotic compression fractures of the T5 and T6 vertebrae and SEL from T2 to T10 vertebrae. Decompressive laminectomy with epidural fat debulking was performed, and the pathology was confirmed as epidural lipomatosis. His neurological condition showed no improvement below the T6 level 3 months after surgery. Osteoporotic compression fracture is a risk factor for acute paraplegia in patients with thoracic SEL and decompressive surgery should be performed without delay.

Acute Disease↗
PubMed2006

Kyphoplasty: vertebral augmentation for compression fractures.

Osteoporosis has devastating consequences for individuals and society in terms of suffering, disability, and increased health care expenses. Early diagnosis and treatment of compression fractures with kyphoplasty allow restoration of normal anatomy as much as possible. Vertebral augmentations by kyphoplasty are efficacious treatments for osteoporotic compression fractures. Kyphoplasty minimizes the risk for cement leakage by compacting the cancellous bone to the periphery, sealing off the fracture clefts,and creating a cavity into which cement is poured. This technique may prevent propagation of further fractures by reducing the col-lapsed vertebral bodies toward its native height, normalizing the sagittal spinal alignment and the force transmission along the spine.

Aged↗
PubMed2000

Vertebroplasty in patients with severe vertebral compression fractures: a technical report.

Vertebroplasty is a procedure in which polymethlymethacrylate (PMMA) is injected into a vertebral body compression fracture. It has been suggested that fractues greater than 65% to 70% of the original vertebral body height are too compressed to be treated successfully with this procedure. We describe six patients with severe compression fractures that were successfully treated with vertebroplasty in which the trocar was inserted in the far lateral aspect of the vertebral body, because of the typical morphology of severe compression fractures.

Aged↗