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PubMed2006

[Fragility non-spinal fractures in a cohort of 5,201 women aged 65 years and older during a 3-year follow-up].

BACKGROUND AND OBJECTIVE: Low-trauma non-spinal fractures are a growing source of morbidity and mortality in the elderly. We aimed to evaluate the overall incidence of low-trauma non-spinal fractures and of the main skeletal sites in a cohort of women from Spain. PATIENTS AND METHOD: A total of 5,201 women, aged 65 or older, were enrolled in a 3-year cohort study by non-probabilistic sampling of consecutive cases in 58 primary care centers in Spain, with 6-month visits. All radiological or surgically confirmed low trauma non-spinal fractures were collected. RESULTS: 311 women (6.0%) sustained a total of 363 fractures after a 3.01-year median follow-up, and 14,999 women-year. The incidence rate of overall non-spinal fractures was 2,420 cases per 100,000 women-year. The incidence rates of hip, forearm and humeral fractures were 887,369 and 333 cases/100,000 women-year respectively. CONCLUSIONS: Low-trauma non-spinal fractures are highly incident in Spain in women aged 65 years or older, similar to other western countries.

Aged↗

PubMed1997

Discrimination of spinal fracture with various bone mineral measurements.

For several different bone mineral measurements and various skeletal sites, we compared capability to discriminate between women in various age decades with and without spinal fracture, and attempted to identify the most effective cutoff level in discrimination of spinal fracture. The subjects were 88 women aged 50-59 years (including 32 with fracture), 95 women aged 60-69 years (including 54 with fracture), and 34 women aged 70-79 years (including 18 with fracture). Spinal trabecular and cortical bone mineral density (BMD) were measured using quantitative computed tomography (CT), and spinal, radial (ultra-distal, 10% distal and 33% distal), and calcaneal BMD were measured by dual X-ray absorptiometry. These BMD values were obtained in each subject on the same day. Three statistical techniques-Student's t-test, the logistic regression analysis, and the receiver operating characteristics (ROC) analysis- were applied and accuracy was calculated using the various cutoff values. The capability to discriminate between women with and those without fracture using these BMD values was different among the three age groups. In women aged 50-59 and 60-69 years, all measurements showed good capabilities for discriminating women with fracture. In women aged 70-79 years, these measurements showed lower capability than in those aged 50-59 and 60-69 years, but among them, the calcaneal and ultradistal radial BMD showed relatively good capability. The 10% and 33% distal radial BMD values were not useful in the detection of the high risk women with fracture. The cutoff BMD values for discrimination of women with fracture varied according to the sites and methods of measurement. For each specific age group, the most suitable measurement methods and the appropriate skeletal sites should be considered, and the effective cutoff values to discriminate those with fracture may differ according to the measurement methods, the skeletal sites examined, and age.

Absorptiometry, Photon↗

PubMed1999

Z-plate instrumentation in thoracolumbar spinal fractures.

Anterior decompression enables direct access and good canal clearance of the injury level in thoracolumbar spinal fractures, and decompressing the neural elements is shown to be an important factor for neurologic improvement and pain relief in many cases. In this study, results with anterior decompression and Z-plate instrumentation in thoracolumbar spinal fractures are reviewed. Nineteen patients with old spinal fracture (average: 3 years) and neural compression, and 15 patients with fresh thoracolumbar fractures with neurologic deficit and/or major anterior spinal canal obstruction had anterior decompression and Z-plate instrumentation with anterior fusion. Stabilization was protected with thoracolumbar thermoplastic braces for six months. Preoperative kyphotic deformity averaged 20.9 degrees (range: 7 degrees to 64 degrees), while it was an average of 8.0 degrees (range: -12 degrees to 35 degrees) postoperatively. Medullary canal compromise was 41% an average (range: 13% to 67%) and postoperatively it had an average value of 6% (range: 0% to 18%). Patients were followed up an average of 30 months (range: 25 to 36 months). The unchanged positions of bone grafts and statistically insignificant loss of correction in the sagittal plane are accepted as evidence for bony fusion in all patients. Z-plate instrumentation provides stable fixation. Additionally, the technique can be performed easily and has the added benefit of being MRI-compatible.

Adolescent↗

PubMed2000

Spinal fracture or luxation.

Spinal trauma is a common cause of spinal cord dysfunction in dogs and cats. When the spine is injured by exogenous injury, the impact often results in vertebral fracture or luxation. As each injury is unique, treatment guidelines have to be individualized to the animal. This article reviews the clinical management including surgical and nonsurgical treatments for animals with vertebral fracture/luxation.

Animals↗

PubMed2001

Diagnosis and treatment of spinal fractures combined with paraplegia and diaphragm injury.

OBJECTIVE: To study the mechanism and treatment principle of spinal fractures combined with paraplegia and diaphragm injury. METHODS: A total of 16 patients (14 males and 2 females, aged from 18 to 50 years) with spinal fractures combined with paraplegia and diaphragm injury, receiving emergency treatment and admitted to our hospital in the past 20 years, were retrospectively analyzed in this study. RESULTS: The injuries were caused by direct or indirect violence. Six cases were of fractures of cervical spine combined with paraplegia and diaphragm injury, 2 of fractures of thoracic vertebra combined with paraplegia and diaphragm injury, and 8 of thoracolumbar fractures combined with paraplegia and diaphragm injury. Six cases received non-operative treatment, but died finally. Ten cases received spine surgical treatment, of which 4 died and 6 were improved. The total mortality rate was 62.5%. CONCLUSIONS: Spinal fractures combined with paraplegia and diaphragm injury are one of the most severe traumas in departments of orthopaedics. Paraplegia can be found easily, but diaphragm injury is often neglected and missed. When a patient suffers from both of them, he is in danger of death. What measures should be taken to rescue the patient's life depends on the severity of the wounds.

Adolescent↗

PubMed2006

[Surgical treatment for osteoporotic spinal fractures in the thoraco-lumbar spine].

Most of osteoporotic spinal fractures can be successfully treated with conservative treatment. In some patients, however, conservative treatment is not effective and progressive vertebral collapse with neurological problems at thoraco-lumbar spine may occur. In this chapter, surgical indication and timing in patients with osteoporotic vertebral collapse are described. Surgical options including vertebroplasty, kyphoplasty, anterior reconstruction, posterior reconstruction, and combined anterior and posterior surgery are also described. The readers can understand both advantages and disadvantages of each surgical procedure. In senile patients, preoperative general conditions including comorbid medical problems should be taken into account to determine surgical treatments. Rigid and long spinal fusion using metal implants may lead to spinal fractures at adjacent vertebral bodies to the fused segments.

Aged↗

PubMed2004

Value of multidetector spiral CT in diagnosis of acute thoracolumbar spinal fracture and fracture-dislocation.

OBJECTIVE: To investigate the diagnostic value of multidetector spiral CT (MSCT) in acute thoracolumbar spinal fracture and fracture-dislocation. METHODS: CT imaging files of 152 consecutive traumatic patients with thoracolumbar fractures were retrospectively reviewed. MSCT scannings were performed with a collimation of 3-5 mm and a pitch of 5.5. The postprocessing included sagittal and coronal multiplannar reconstruction, and 3-D reconstruction. RESULTS: There were 88 cases of compression fracture, 54 cases of burst fracture and 10 cases of fracture-dislocation. Transverse images of MSCT could visualize all fractures directly and determine whether spinal canal was intact. Postprocessing image was helpful in depicting the displacement of fragment and orientation of dislocation. CONCLUSIONS: MSCT plays an important role in diagnosis and management of acute thoracolumbar spinal fracture and fracture-dislocation.

Adult↗

PubMed1997

Relationship of spinal fracture to bone density, textural, and anthropometric parameters.

To investigate risk factors for spinal fracture, we studied the relationship between the prevalence of asymptomatic spinal fracture and various morphological measures including spinal bone mineral density (BMD) in women. A total of 122 women ranging in age from 55 to 79 years were studied. The group consisted of 46 women aged 55-59 years (18 with fracture), 51 women aged 60-69 years (26 with fracture), and 26 women aged 70-79 years (14 with fracture). BMD of cortical and trabecular bone from L1 to L3 was measured using quantitative computed tomography (QCT). Run-length analysis was applied to evaluate the spinal trabecular textural features using CT images; the texture indices which represent the mean width of trabecular (the T-texture) and that of intertrabecular spaces (the I-texture) were obtained. Anthropometric factors including body weight and height, psoas muscle area, and vertebral bone volume were measured using CT images. Among the various factors, trabecular BMD in women aged 55-69 years showed the highest odds ratio for the presence of fracture per standard deviation (SD) decrease in bone density. However, in women aged 70-79 years, the highest odds ratio was observed for trabecular texture index but not for trabecular BMD. The I-texture in women aged 55-59 years, the muscle area in women aged 60-69 years, and cortical BMD and muscle area in women aged 70-79 years were also considered significantly related to the risk of fracture.

Age Distribution↗

PubMed2005

[Diagnosis and treatment of multiple-level noncontiguous spinal fractures].

OBJECTIVE: To explore the injury mechanism, clinical features and treatment methods of multiple-level noncontiguous spinal fractures (MNSF). METHODS: The clinical data of 23 patients with MNSF were analyzed retrospectively. There were 15 males and 8 females aging from 13 to 75 years. Five cases missed diagnosis. The locations of the primary injury were cervical region in 3 cases, thoracic region in 7 cases, and thoracolumbar region in 13 cases. The spinal fractures associated with spinal cord injury were 14 cases in the primary injury, and 3 cases in the secondary injury. According to Frankel grade, there were 7 cases of grade A, 1 case of grade B, 3 cases of grade C, 6 cases of grade D and 6 cases of grade E. Sixteen cases were treated by surgical stabilization while 7 cases were treated conservatively. RESULTS: Twenty patients were followed up from 3 months to 4 years with a mean of 11.5 months except three patients. No neurologic deterioration was observed in patients who were treated conservatively or operatively. No wound infection, no implant failure or bone graft nonunion occurred in patients who were treated operatively. Among 17 patients with neurologic deficit before operation, 12 got 1-3 grade improvement of the Frankel grading, 4 remained unchanged and 1 died. CONCLUSION: The mechanism of MNSF injury is complex, it is easy to miss diagnosis. The patients with spinal injury must be examined carefully and completely. A whole spine radiographic survey should be accomplished if necessary and treatments should be based on the stability of spine fractures and the severity of spinal cord injury.

Adolescent↗

PubMed2001

[Use of intraoperative red blood cell salvage in the anterior stabile operation of spinal fracture].

OBJECTIVE: To observe the clinical results in the anterior stabile operation of spinal fracture using red blood salvage. METHODS: Nineteen cases with spinal fracture were performed the anterior decompress operation. Blood cell salvage were used during operation. Other 20 cases were also reviewed as control group, who were received the same operation without blood cell salvage. RESULTS: In the 19 cases, average volume of autologous transfusion was 536 ml. Only two cases had homologous transfusion requirements. In the control group, all cases needed homologous transfusion (averaged 947 ml). CONCLUSION: In the anterior decompress operation, the intraoperative blood salvage is highly effective in reducing transfusion and also improves the security of operation.

Adolescent↗

PubMed2002

Low lumbar spinal fractures: management options.

Fifty-four patients with low lumbar spinal fractures were retrospectively reviewed. Of these, there were 25 compression fractures, 21 burst fractures, three flexion-distraction fractures and five fracture-dislocations. Three patients had a complete neurological lesion, 17 sustained an incomplete neurological injury, and 34 were neurologically intact. Twenty-six patients were treated non-operatively and 28 underwent surgery. All patients were followed up for l-12 years. Forty-three patients (79.6%) have returned to their former employment or activity level. Four patients had experienced significant improvement but suffered from some limitation of activity. Five patients were unable to stand up and walk without support although they had some degree of improvement. Two remained completely paralyzed. There were no differences in neurologic function between patients treated non-operatively or operatively (P>0.05). The patients treated operatively had significantly less pain compared to the patients treated non-operatively (P<0.01). Because of the unique anatomy and biomechanics, fractures of the low lumbar spine are different from those in the remaining regions of spine. Most compression fractures are stable, and therefore conservative management is indicated. Surgery should be performed in those with burst fractures or flexion-distraction fractures, with severe spinal stenosis or kyphotic deformity, and fracture-dislocation.

Adult↗

PubMed2006

The treatment for multilevel noncontiguous spinal fractures.

We report the outcome of 30 patients with multilevel noncontiguous spinal fractures treated between 2000 and 2005. Ten cases were treated conservatively (group A), eight cases were operated on at only one level (group B), and 12 cases were treated surgically at both levels (group C). All cases were followed up for 14-60 months (mean 32 months). Initial mobilisation with a wheelchair or crutches in group A was 9.2 +/- 1.1 weeks, which was significantly longer than groups B and C with 6.8+/-0.7 weeks and 3.1 +/- 0.4 weeks, respectively. Operative time and blood loss in group C were significantly more than group B. The neurological deficit improved in six cases in group A (60%), six in group B (75%) and eight in group C (80%). Correction of kyphotic deformity was significantly superior in groups C and B at the operated level, and increasing deformity occurred in groups A and B at the non-operated level. From the results we believe that three treatment strategies were suitable for multilevel noncontiguous spinal fractures, and individualised treatment should be used in these patients. In the patients treated surgically, the clinical and radiographic outcomes are much better.

Adult↗

PubMed1996

Spinal fractures in patients with ankylosing spondylitis.

Thirty-one consecutive patients with ankylosing spondylitis and spinal fractures were reviewed. There were 6 women and 25 men with a mean age of 60 +/- 11 years; 19 had cervical and 12 had thoracolumbar injuries. Of the patients with cervical fracture, two had an additional cervical fracture and one had an additional thoracic fracture. Three trauma mechanisms were identified: high-energy trauma in 13 patients, low-energy trauma in 13 and insufficiency fracture in 5. One-third of the patients suffered immediate neurological impairment, a further one-third developed neurological impairment before coming for treatment and only one-third remained intact. Two patients with thoracolumbar fractures had deteriorated neurologically due to displacements during surgery at other hospitals. All patients were treated operatively except the two patients with two-level cervical fractures, who were managed in halo vests. In the cervical spine both anterior and posterior approaches were employed. In the thoracolumbar spine the majority of the patients were initially treated using a posterior approach only. Complications were common. Of the 27 patients with neurological compromise, 10 had remained unchanged; 12 had improved one Frankel grade; 4 had improved by two Frankel grades; 1 had improved by four Frankel grades. We conclude that even minor trauma can cause fracture in an ankylosed spine. A high proportion of patients with spinal fractures and ankylosing spondylitis have neurological damage. The risk of late neurological deterioration is substantial. As the condition is very rare and the treatment is demanding and associated with a very high risk of complications, the treatment of these patients should be centralised in special spinal trauma units. A combined approach that stabilises the spine from both sides is probably beneficial.

Cervical Vertebrae↗

PubMed1993

Relationship of osteophytes to bone mineral density and spinal fracture in men.

PURPOSE: To investigate the relationship of spinal osteophytes to vertebral bone mineral density (BMD) and to spinal fracture. MATERIALS AND METHODS: This relationship was investigated in 203 men. Integral BMD was measured with dual x-ray absorptiometry, and both cortical and trabecular BMD were measured with quantitative computed tomography (QCT). RESULTS: Trabecular BMD was found to decrease with age in subjects with and without large osteophytes, while cortical and integral BMD decreased with age only in subjects without large osteophytes. Trabecular BMD in men without fracture was significantly higher than in those with fracture (P < .05 for BMD measured with single-energy QCT), while there was no significant difference between these groups in cortical or integral BMD. CONCLUSION: Measurement of trabecular BMD with QCT provides information useful in detection of age-related bone loss and of fracture in men with and without osteophytes.

Absorptiometry, Photon↗

PubMed1996

Quantitation of incident spinal fractures: comparison of visual detection with quantitative morphometry.

The value of quantitative morphometry in detection of new spinal fractures was assessed in serial radiographs from 83 patients with osteoporosis. From vertebral landmarks on lateral spine radiographs, a computer program allowed calculation of vertebral heights and area. By comparing vertebral dimensions in the two sets of films, incident spinal fractures could be quantitated based either on the minimum criteria of 15% reduction in vertebral height (CM2) or a fall in height and area of 20% and 10% (CM1). The results of quantitative morphometry were compared with those of the consensus and individual readings of visual detection by three experienced investigators in the same paired sets of spinal films. For incident new fractures, the visual consensus method (V-C) showed a very good agreement with individual visual detection (kappa of 0.794 to 0.916) as well as with CM1 (kappa of 0.821). However, there was a poor agreement between the results of consensus reading and of detection by CM2 (kappa of 0.341), due to excessive number of fractures identified by CM2, but not by the visual method. For incident recurrent fractures, there was a poor agreement between V-C and individual visual detection, and between V-C and quantitative morphometry (kappa of 0.306 to 0.496). It was due to severe compression fractures at baseline, which caused further changes in vertebral dimensions difficult to measure accurately by either visual or quantitative morphometry. Thus, if the visual detection of fractures by a consensus of experienced investigators is considered as the "gold standard," quantitative morphometry, based on minimum reduction in vertebral height of 20% accompanied by a minimum decline in area of 10%, provides an objective detection of incident new spinal fractures but not of recurrent fractures.

Aged↗

PubMed2001

Determinants of bone mineral density and spinal fracture risk in postmenopausal Japanese women.

The present study analyzed the factors that determine bone mineral density (BMD) and predict spinal fracture risk in postmenopausal Japanese women. Two hundred and five postmenopausal Japanese women aged 48-84 years (mean age 64 years) were enrolled in the cross-sectional study. BMD of the lumbar spine, femoral neck and total body as well as body composition were measured by dual-energy X-ray absorptiometry (DXA). Mid-radial BMD was measured by single-photon absorptiometry. We also determined serum levels of insulin-like growth factor (IGF)-I, IGF binding protein-2, -3 and osteocalcin as well as urinary levels of pyridinoline (Pyr), deoxy-Pyr (D-Pyr) and growth hormone. Multiple regression analysis revealed that lean body mass (LBM) was positively correlated with BMD at all sites. In contrast, femoral neck BMD was highly related to fat mass as well as LBM, although fat mass was not an independent correlate of total body and mid-radial BMD. LBM and urinary D-Pyr were crucial determinants at all sites except the mid-radius in stepwise regression analysis. Fat mass and serum IGF-I were determinants of femoral neck and mid-radial BMD, respectively. In terms of reproductive history, parity affected lumbar BMD. Factors affecting BMD differed according to the site. On the other hand, lumbar BMD as well as serum levels of IGF-I and albumin were selected as predictors of spinal fracture risk in multiple logistic regression analysis. Lumbar BMD, serum IGF-I and LBM were selected in women with lumbar BMD above 0.727 g/cm2. In conclusion, the present study indicates that LBM is a more important determinant of BMD than fat mass at any site except the femoral neck. Age, serum IGF-I and urinary D-Pyr were also determinants of BMD, dependent on the regions measured. Lumbar BMD and LBM as well as serum levels of IGF-I and albumin were useful markers which predicted the risk of osteoporotic spinal fractures in postmenopausal Japanese women.

Absorptiometry, Photon↗

PubMed1999

[Instability of spinal fractures--therapeutic relevance of different classifications].

PURPOSE: To investigate if the assessment of spinal fracture stability according to the Magerl classification permits a better therapy decision than using the Denis 3-column model. MATERIAL AND METHODS: The X-ray and CT images of 99 consecutive patients treated for thoracolumbar spine fractures were analysed and the fractures were classified according to the above mentioned classifications. Using the 3-column model, the involvement of two or more columns was considered as unstable, whereas the fracture types A3.2, A3.3, B and C of the Magerl classification were defined as unstable. The stability evaluation was compared with the therapy decision and outcome. RESULTS: According to the 3-column model, 23 of 53 fractures which were classified as unstable were operated. Only five of the 30 conservatively treated unstable fractures showed a reduced healing process. The 46 stable fractures were treated conservatively with good results. Using the Magerl classification, 21 of the 28 unstable fractures were operated and 4 of the remaining 7 cases showed a reduced healing process. Of the 71 stable fractures only 2 were operated and in one patient minimal neurological symptoms occurred. CONCLUSION: The Magerl classification enables a more exact definition of stable and unstable spinal fractures.

Adolescent↗

PubMed1992

Spinal fractures during fluoride therapy for osteoporosis: relationship to spinal bone density.

Recent studies report that fluoride therapy for osteoporosis increases spinal bone density without improving vertebral fracture rate, challenging the notion that restoration of bone mass improves bone fragility. To further evaluate this issue, the relationship between spinal bone density and vertebral fracture rate was examined in a large number of fluoride-treated, osteoporotic patients. A retrospective assessment was made of clinical data collected from our observations of 389 osteoporotics treated with fluoride 30 +/- 8 mg/day (mean +/- SD) (equivalent to 66 +/- 17 mg NaF/day) and calcium 1500 mg/day for 28 +/- 18 months. Fracture rate and bone density were assessed in the same region of the spine (i.e., T12 through L4) using quantitative computed tomography (QCT). Spinal bone density increased with time on fluoride, but the relationship was hyperbolic (r = 0.99, p less than 0.0001; asymptote = 167 mg/cc on double-reciprocal plot), suggesting a plateau in the response. The spinal fracture rate decreased as a function of time on therapy (r = -0.83, p less than 0.01), and was inversely related to spinal bone density during fluoride therapy (r = 0.70, p less than 0.001 on arithmetic plot; r = -0.79, p less than 0.001 on semi-log plot). The subgroup of patients who responded to treatment with a significant increase in spinal bone density had a 48% reduction in spinal fracture rate compared with non-responders (p less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗