A Anchoring Technique Using Long Bent Rods for Open Reduction of Thoracolumbar Dislocation
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Abstract:
The purpose of this study was to evaluate the effectiveness of a novel surgical open reduction method for thoracolumbar dislocation.This study included a total of 15 patients of thoracolumbar dislocation. All patients underwent posterior thoracolumbar open reduction and fixation using this technique. Preoperative x-ray, computed tomography (CT), and magnetic resonance imaging were used to evaluate the dislocation. The American Spinal Injury Association grade of spinal cord injury before and afer the operation were record. All patients were followed up for 2 years, and x-ray, CT were used to observe postoperative reduction and fusion.Postoperative x-ray and CT images of all patients indicated good recovery of the spinal sequence, and no neurological deterioration or surgically related complications occurred. All patients were followed up for 2 years, no patients were lost to follow-up. During the follow-up period, x-ray and CT images showed no complications related to internal fixation such as fracture and loosening of screws and rods were found.A anchoring technique using long bent rods is a safe, simple, accurate, and easy to replicate and implement method, which can be applied in the surgical treatment for thoracolumbar dislocation.Keywords:
Thoracic vertebrae
Following the successful experiences with internal of the craniomaxillofacial region,instrumentation and hardware have been developed to allow stable internal by AO/ASIF. With the development of lighter and more biocompatible implants,the concepts of internal has evolved from the rigid or absolutely stable internal fixation to a functionally stable internal fixation. The systematic and sequential choices of surgical methods are key factors in determining fracture treatment outcomes. We propose that treatment of bone fractures take into account the biological characteristics of the damaged bone to facilitate selection of appropriate plate and screw systems and repositioning methods.
Biocompatible material
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Objective To analyze the causes of the failure of thoracolumbar fracture internal fixation, and to develop a prophylactic method. Methods 21 cases of failure of thoracolumbar fractures internal fixation were analyzed, retrospectively. Results The causes of failure of spinal internal fixation were mainly of the poor techniques. Conclusions Improving the doctors’ techniques is the main contermeasure of failure of spinal internal fixation in grass root hospitals.
Spinal fracture
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Objective: To explore the reason and early therapeutic methods for late-developed infection after open reduction and internal fixation(ORIF).Methods: Thirty-three patients(21 males,12 females) with the mean age of 33.5 years(range,fourteen to fifty-five years) who had late-developed infection after ORIF were involved in our study.The internal fixation devices were not removed initially,and treatment includes anti-inflammatory,scraping the sinus tract and irrigation.The internal fixations were removed from the patients(9 cases) of no effect with the above treatment.Antibiotics were administered interavenously in all patients about 14-21 days postoperatively.Results: The internal fixations were successfully retained in 24 cases.Among the patients who underwent internal device removal,4 cases obtained bone healing.The other 5 patients,on whom pseudoarthrosis presented,were treated with autologous bone graft and internal fixation subsequently.All cases were followed up for 8-12 months and no evidence of recurrence were observed.Conclusion: The early diagnosis and treatment of the late-developed infection are of great value,which can effectively retain the internal fixation and reduce the possibility of postoperative complications,such as bone nonunion.
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【Objective】 To investigate the clinical inditions and effect of total spondylectomy and internal fixation to therapy thoracic vertebrae tumors.【Methods】 12 patients with thoracic vertebrae tumors were treated through total spondylectomy and internal fixation according to WBB.Tumors involved in W BB4-9 and 10-3 simultaneously.Posterior internal fixation were applied in 5 cases,anterior comined posterior total spondylectomy and internal fixation were performed in 7 cases.【Results】 The following-up period was from 6months to 7 years,years.The efficency was satisfactory except that 1 case has not im proved the neurological sym ptoms.3 cases tumor recurred in 10 to 36 months after operation.【Conclusion】 Total spondylectomy and internal fixation according to WBB are efficient for patients with thoracic spinal tumors involved in W BB4-9 and 10-3 simultaneously,can thoroughly clear tumor tissue and attain satisfactory stability.
Thoracic vertebrae
Thoracic spine
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Objective:To explore the possible causes and the treatment of the unefficient internal fixation of Galeazzi fracture.Methods:Twenty-three cases of the unefficient internal fixations of Galeazzi fracture were treated with internal fixations of LC-DCP,autologus spongy bone transplantations.Results:Patients were followed up for 6 to 24 months.All cases had bony union,of which and 20 cases(87%) were obtained satisfactory functional rehabilitations.Conclusion:The major causes that may lead to the unefficient internal fixation of Galeazzi fracture are improper internal fixation,security of internal fixation,and improper early movement.Proper internal fixation,autologus spongy bone transplantation are efftective in the treatment of the unefficient internal fixation of fractures and in the functional rehahililalion of the forearms.
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Clamp
Internal forces
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The follow-up results for an average of 7.9 years were analyzed on 86 hips in 82 patients with intracapsular fracture of the femoral neck treated by internal fixation. The functional and X-ray results were not significantly different between the two groups of under and over 60 years of age. The internal fixation was thought to be a method of choice for intracapsular fracture of the femoral neck, even in the aged.
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Objective: To investigate the treatment for complex fractures of the knee.The authors put forward internal fixation classification and reviewed 42 cases with complex fractures of the knee from 1994 to 1999. They were treated by classified-internal fixation with manifold equipments of internal fixation.Results:The follow-up were 6 to 60 months.Of these,good result was 80.1%.Conclusion:Open reduction and classified-internal fixation may be uesd for treatment of the complex fractures of the knee.The authors suggest early functional exercises and CPM after operation,The authors put forward that internal fixation classification has an important reference value for formulation of the scheme of treatment.
Classification scheme
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Objective: To sum up experience of internal fixation surgery for internal osteoarticular commimuted fracture with plastic titanium alloy plate.Methods: Applied open reduction and internal fixation to 22 feet with internal osteoarticular commimuted fracture in 20 cases.Selected plastic titanium alloy plate as main internal fixity,and employed Maryland feet evaluation system as the standard.Results: The follow-up lasting 6-18 months(mean=13 months) showed 12 cases were excellent effective(54.5%),8 cases were effective(36.4%),and 2 cases were good(9.1%) with excellent and good rate as 90.9%.Conclusion: Open reduction and internal fixation with plastic titanium alloy plate are safe and effective for treating internal osteoarticular commimuted fracture in 3,4 Sanders type.
Titanium alloy
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Objective: To summarize the experiences of AF internal fixation and to analyze the reasons of complications.Method: Twenty-six patients of thoracolumar fracture were treated with AF internal fixation systerm,all patients were followed-up for 6-18 months.Result: Five patients with screw loosen,two with screw broken, one with broken bolt,three with unexplained lumbaro and seven with nuts loosen.Conclusion: Strictly checking indication,completely bone grafting,standardized operation,avoiding early moving/action and removing internal fixation in time are very important factors for treating thoracolumbar fracture with AF internal fixation.
Bone grafting
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