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There are total of five lumbar verteae. Out of five, four lumbar verteae show typical features. The fifth lumbar vertea shows certain atypical features. Lumbar verteae are identified as having massive kidney–shaped bodies, superior and inferior articular facets, pedicles and thick and quadrangular spine. We observed a malformed lumbar vertea in college bone bank during routine Osteology tutorials.
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Objective:To compare the accuracy and safety between percutaneous kyphoplasty (PKP) positioning device and traditional positioning device which posit entry point of pedicle of vertebral arch by using the C-arm X-ray.Methods: 117 patients with spinal centrum compression fractures were divided into positioning device group (57 cases) and Kirschner wire group (60 cases) depended on the entry point marked by the preoperative C arm X-ray irradiation. To compare the excellence rate, operation time and exposure times between PKP positioning device and traditional device.Results: The positioning times of the PKP positioning device group and Kirschner wire group were (2.3±0.9)min and (6.8±1.3)min, respectively. The exposure times of the two group were 1.6 times and 4.7 times, respectively. And both of the two differences were statistical significant (t=21.062,t=18.521;P0.05).Conclusion: There are series of advantages in developed PKP positioning device, such as portable, easy and simple control, higher accuracy and safety, less positioning time and exposure times of C arm X-ray.
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Objective To clarify the clinical and imaging features of the small centrum ovale infarcts by comparing with the small basal ganglia infarcts. Methods Forty-six consecutive patients with small centrum ovale infarct showed on the axial MR diffusion weighted imaging admitted to hospital within one week after onset were enrolled retrospectively. One hundred fifty-seven patients with small basal ganglia infarct were used as a control group. The differences of demography,vascular risk factors,clinical features, and imaging data in patients with small centrum ovale infarct and small basal ganglia infarct were compared and analyzed. Results The mean age of small centrum ovale infarct was 69 ± 12 years,among them, 27 patients were male. The mean age of small basal ganglia infarct was 66 ± 11 years,among them,98 were male. The vascular risk factors,clinical features and imaging data of the small centrum ovale infarct and the small basal ganglia infarct were compared. There were significant differences in hypertension (63. 0% [n =29]vs. 43. 3% [n = 68],P = 0. 018),coronary heart disease (4. 3% [n = 2]vs. 17. 8% [n = 28],P =0. 042),atrial fibrillation (15. 2% [n = 7]vs. 5. 7% [n = 9],P = 0. 036),single limb weakness (17. 4% [n = 8]vs. 6. 4% [n = 10],P = 0. 021),National Institutes of Health Stroke Scale score (2 [1,3]vs. 3 [2,5],P = 0. 002),infarct diameter (6 ± 3 mm vs. 10 ± 3 mm,P < 0. 01),ipsilateral middle cerebral artery(MCA)stenosis (4. 3% [n =2]vs. 24. 2% [n =38],P = 0. 006),and accompanied with contralateral intracranial artery stenosis (ICAS)(4. 3% [n = 2]vs. 17. 8% [n = 28 ],P = 0. 042). Conclusions Compared with the small basal ganglia infarcts,the prevalence of atrial fibrillation of the small centrum ovale infarcts was higher. The degree of neurological deficits on admission was milder,the diameter of the infarct was smaller,and the incidences of ipsilateral MCA stenosis and contralateral ICAS were lower.
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Objective To evaluate the possibility and safety of balloon kyphoplasty for the aged osteoporotic thoracolumbar burst fractures. Methods From October 2007 to December 2012, 78 patients with aged osteoporotic thoracolumbar burst fractures were treated by balloon kyphoplasty. The inflatable balloon was inserted through pedicle of vertebal arch to make fracture reduction, then the centrum was stuffed with bone cement. The whole procedure was pinpointed and detected by C-arm x-ray machine. Results All operations were completed successfully. The lumbar and back pain of the patients relieved obviously. The quality of patients' life was significantly improved. Imaging examinations revealed that the vertebrae altitude was recovered and the kyphosis was corrected obviously. Conclusion Balloon kyphoplasty is effective to treat the aged osteoporotic thoracolumbar burst fractures. But the operation had certain risk, we must do a good job in preoperative preparation, strictly handle surgical indication and accurately operate.
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[Objective]To discuss the methods selection for lumbar compressed fracture.[Method]137 cases were respectively treated with non-operation,AF nail,Z-Plate steel board internal fixation and protruding formation behind centrum.[Result]All were cured in 10~14w,(12?0.6)w in average;the pain VAS score,Frankel score,Cobb’s angle,the height of front and back edge of centrum were all relieved a lot after treatment,without operation sequela or marked loss of injured vertebra.[Conclusion]The methods shall be selected for lumbar compressed fracture under compressing degree,bone occupation degree in lumbar tube,nerve injure degree,stability of spine structure or fracture dislocation,etc.The stable fracture shall rest in bed with cushion under back.