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PubMedDate not supplied

[A hip fracture bandage for the prevention of femoral neck fractures in the elderly. The femoral neck fracture, a biomechanical problem].

In the industrial countries, the number of hip fractures will double or even triple in the next 20 years. Pathogenetically, it is a complex matter of medical as well as biosocial factors. Gerontoprophylactically, it is more a biomechanical problem. Therefore a light fall on to the hip at the greater trochanter is of the greatest importance. We have constructed an impact neutralizer, also designed as a hip fracture bandage, to absorb the impact forces which act on aged people during a fall. It is made of a special silicone rubber. The impact neutralizer permits an impulse amplification by a factor of approximately two. Also, the critical height of the fall is increased by a factor of three. That means that the number of hip fractures occurring in elderly people can be reduced by 30-50%, depending on the type of fall and assuming that all elderly people liable to fall wear the hip fracture bandage.

Aged↗
PubMed1992

Case report 725. Posterior displacement of proximal end of the right radius and capitulum with supracondylar fracture causing a displaced fracture rather than a fracture dislocation.

An 11-month-old boy with a swollen, painful right elbow demonstrated a supracondylar fracture on plain film radiographic studies. Sonography was subsequently performed to exclude dislocation of the elbow and demonstrated the supracondylar fracture as well as a normal relationship of the capitulum and radius, signifying a displaced fracture without associated dislocation. A bone dislocation would generally require dosed reduction alone, whereas distal humeral epiphyseal separation usually requires open reduction or percutaneous (pin) fixation. This case demonstrates the utility of ultrasound in the evaluation of physeal disruption and dislocation in the elbow prior to ossification of the secondary centers of ossification.

Diagnosis, Differential↗
PubMed1994

[Are "Busch fracture", "avulsion fracture of the extensor tendon" or "fracture of the dorsal terminal finger joint" synonyms? Anatomic studies of the insertion of the extensor aponeurosis and significance in hand surgery].

With the help of thick transparent cross-sections of fingers, it has been shown that fibers of the extensor aponeurosis insert distal to the avulsed fragment of the distal phalanx. The consequence for hand surgery is not to expose the fragment through a dorsal incision but through a mid-lateral one. In this way, the distant parts of the aponeurosis distal to the fracture remain intact and there is no break in the continuation of the dorsal extensior plate.

Adult↗
PubMed2005

Risk of new clinical fractures within 2 years following a fracture.

INTRODUCTION: Clinical fractures are associated with an increased relative risk of future fractures, but the absolute risk and timing of new clinical fractures immediately after a clinical fracture have not been reported extensively. The study objective was to determine the absolute risk of subsequent clinical fractures within 2 years after a clinical fracture. METHODS: We analyzed clinical fracture data from a university hospital recruiting all fractures in the area between January 1999 and December 2001. Subjects were 2,419 male and female patients aged 50 years and older, with a total of 2,575 fractures. There were 139 patients with more than one simultaneous fracture. Mean age was 66 years for males and 72 for females. RESULTS: The cumulative incidence of patients with new clinical fractures over 2 years was 10.8% (262/2,419). In the 262 patients with subsequent fractures, we observed a higher mean age, more females and more often multiple baseline fractures compared with the 2,157 patients without subsequent fractures. Kaplan-Meier analysis indicated that age, gender and having multiple baseline fractures contributed significantly to cumulative new fracture incidence. Cox regression showed that these variables independently contributed to a higher subsequent fracture incidence. New fracture incidence was higher with increasing age ( p <0.001; hazard ratio [HR] 1.2 per decade; confidence interval [CI] 1.1-1.3). Females had a new fracture incidence of 12.2% compared with 7.4% in males ( p =0.015; HR 1.5; CI 1.1-2.0). Patients with multiple baseline fractures had a new fracture incidence of 17.3% compared with 10.4% for subjects with one baseline fracture ( p =0.006; HR 1.8; CI 1.2-2.7). Of all clinical fractures occurring within 2 years after a clinical fracture, 60% occurred during the first year and 40% during the second year ( p =0.005). The absolute risk to develop an incident clinical fracture within 2 years after any clinical fracture was 10.8%. Increased age, female gender and the presence of multiple simultaneous fractures at baseline each independently increased the risk of incident fracture. Significantly more fractures occurred in the first year following the index fracture than in the second year. CONCLUSION: Altogether, these data support the need for early prevention of future fracture among individuals with a fracture after age 50, using interventions which have been shown to have a rapid anti-fracture benefit.

Age Distribution↗
PubMed2003

Severity of prevalent vertebral fractures and the risk of subsequent vertebral and nonvertebral fractures: results from the MORE trial.

Prevalent vertebral fractures and baseline bone mineral density (BMD) predict subsequent fracture risk. The objective of this analysis is to examine whether baseline vertebral fracture severity can predict new vertebral and nonvertebral fracture risk. In the randomized, double-blind 3-year Multiple Outcomes of Raloxifene Evaluation (MORE) trial, 7705 postmenopausal women with osteoporosis (low BMD or prevalent vertebral fractures) were randomly assigned to placebo, raloxifene 60 mg/day, or raloxifene 120 mg/day. Post hoc analyses studied the association between baseline fracture severity and new fracture risk in the placebo group and the effects of placebo, raloxifene 60 mg/day, and raloxifene 120 mg/day on new fracture risk in women with the most severe prevalent vertebral fractures (n = 614). Vertebral fracture severity was visually assessed using semiquantitative analysis of radiographs and categorized by estimated decreases in vertebral heights. Reported new nonvertebral fractures were radiographically confirmed. Baseline vertebral fracture severity predicted vertebral and nonvertebral fracture risk at 3 years. In women without prevalent vertebral fractures, 4.3 and 5.5% had new vertebral and nonvertebral fractures, respectively. In women with mild, moderate, and severe prevalent vertebral fractures, 10.5, 23.6, and 38.1% respectively had new vertebral fractures, whereas 7.2, 7.7, and 13.8% respectively experienced new nonvertebral fractures. Number of prevalent vertebral fractures and baseline BMD also predicted vertebral fracture risk, but the severity of prevalent vertebral fractures was the only predictor of nonvertebral fracture risk and remained a significant predictor after adjustment for baseline characteristics, including baseline BMD. In patients with severe baseline vertebral fractures, raloxifene 60 mg/day decreased the risks of new vertebral [RR 0.74 (95% Cl 0.54, 0.99); P = 0.048] and nonvertebral (clavicle, humerus, wrist, pelvis, hip, and leg) fractures [RH 0.53 (95% CI 0.29, 0.99); P = 0.046] at 3 years. To prevent one new fracture at 3 years in women with severe baseline vertebral fractures with raloxifene 60 mg/day, the number needed to treat (NNT) was 10 for vertebral and 18 for nonvertebral fractures. Similar results were observed in women receiving raloxifene 120 mg/day. In summary, baseline vertebral fracture severity was the best independent predictor for new vertebral and nonvertebral fracture risk. Raloxifene decreased new vertebral and nonvertebral fracture risk in the subgroup of women with severe vertebral fractures at baseline. These fractures may reflect architectural deterioration, independent of BMD, leading to increased skeletal fragility.

Aged↗
PubMed2004

Association between self-reported prior wrist fractures and risk of subsequent hip and radiographic vertebral fractures in older women: a prospective study.

UNLABELLED: In this large prospective cohort study of elderly women, the relationships between prior wrist fracture and incident hip and radiographic vertebral fractures were significantly attenuated when adjusted for BMD. This study suggests that BMD thresholds for drug therapy to prevent osteoporotic fracture should be only modestly adjusted in those with prior wrist fracture compared with those without prior wrist fracture. Validation of such an approach would require intervention trials in patients with prior wrist fracture. INTRODUCTION: Prior wrist fracture has been identified as a risk factor for incident hip and vertebral fractures and proposed as a criterion for determining who should be offered drug therapy to prevent osteoporotic fracture, even if their hip BMD T score is > -2.5. Previously published studies of the relationships between prior wrist fracture and incident hip and vertebral fractures did not adjust for BMD. MATERIALS AND METHODS: We ascertained prior history of wrist fracture since age 50, measured calcaneal and hip BMD, and performed lateral spine films in a cohort of 9704 elderly community-dwelling women, and then followed them prospectively for incident vertebral and hip fractures. Incident vertebral fractures were defined by morphometry using lateral spine radiography at the first examination and an average of 3.7 years later. Incident hip fractures were confirmed with radiographic reports over a mean follow-up period of 10.1 years. RESULTS: Prior wrist fracture was associated with an age-adjusted 72% increased odds of incident radiographic vertebral fracture (odds ratio [OR], 1.72; 95% CI, 1.31-2.25). After adjustment for calcaneal BMD, the association of prior wrist fracture with incident radiographic vertebral fracture was attenuated (OR, 1.39; 95% CI, 1.05-1.83). Prior wrist fracture was also associated with an age-adjusted 43% excess rate of incident hip fracture (hazards ratio [HR], 1.43; 95% CI, 1.17-1.74). After adjustment for hip BMD, the association of prior wrist fracture with rate of incident hip fracture was no longer statistically significant (HR, 1.12; 95% CI, 0.92-1.38). CONCLUSION: In elderly women, prior wrist fracture is a risk factor for radiographic vertebral fracture independent of BMD. The association between prior wrist fracture and incident hip fracture is largely explained by hip BMD. Modest adjustment of BMD drug treatment thresholds for prevention of osteoporotic fractures in those with prior wrist fracture compared with those without prior wrist fracture may be reasonable, but validation of such an approach would require intervention trials in patients with prior wrist fracture.

Age Factors↗
PubMed2006

Association between prior non-spine non-hip fractures or prevalent radiographic vertebral deformities known to be at least 10 years old and incident hip fracture.

UNLABELLED: In this large cohort of elderly women, prior non-spine non-hip fractures and radiographic vertebral deformities >10 years old were modestly associated with incident hip fracture, but the excess risks of hip fracture attributable to those prior fractures and deformities seem to wane over time. INTRODUCTION: Whereas prior clinical fractures and prevalent radiographic vertebral deformities are well-documented predictors of incident hip fracture, the excess risks of incident fractures attributable to those prior fractures and deformities may decrease over time. Current guidelines regarding the assessment of fracture risk do not consider elapsed time since prior fracture or ascertainment of radiographic vertebral deformity. MATERIALS AND METHODS: We ascertained self-reported history of prior clinical fractures and calcaneal and total hip bone BMD and performed lateral spine radiographs in a cohort of 9516 community-dwelling elderly women who had not had a prior hip fracture. We prospectively followed them to assess incident hip fracture. Prevalent radiographic vertebral deformities were identified at baseline using morphometry, and incident hip fractures were confirmed by review of radiographic reports during three follow-up periods (0-5, >5-10, and >10 years after baseline exam). RESULTS: Among women who survived for 10 or more years after the baseline exam without having had a hip fracture, a history of non-spine non-hip fracture since age 50 reported at the baseline study examination was associated with a 21% age- and calcaneal BMD-adjusted excess risk (hazard ratio [HR], 1.21; 95% CI, 1.01-1.45) for subsequent incident hip fracture. Baseline radiographic vertebral deformity was associated with a 41% age- and BMD-adjusted excess risk (HR, 1.41; 95% CI, 1.15-1.73) of hip fracture after 10 years of follow-up. In comparison, the age- and BMD-adjusted HRs of incident hip fracture during the first 5 years of follow-up associated with prior non-spine non-hip fractures reported at the baseline study exam and prevalent radiographic vertebral deformities were 1.70 (95% CI, 1.30-2.22) and 2.10 (95% CI, 1.58-2.78), respectively. CONCLUSIONS: Self-reported prior non-spine non-hip fractures and prevalent radiographic vertebral deformities known to be at least 10 years old are modestly associated with incident hip fracture. The association between these predictor fractures and subsequent hip fractures seems to wane with increased time after ascertainment of the predictor fracture. Hip fracture risk assessment strategies incorporating prior fracture history should also consider elapsed time since those prior fractures.

Age Factors↗
PubMed1996

Comparison of semiquantitative visual and quantitative morphometric assessment of prevalent and incident vertebral fractures in osteoporosis The Study of Osteoporotic Fractures Research Group.

The assessment of radiographs for vertebral fractures is important in the clinical evaluation of patients with suspected osteoporosis, in the epidemiological evaluation of elderly populations, and in clinical trials of osteotrophic drugs. The purpose of this study is to compare visual semiquantitative (SQ) approaches and quantitative morphometric approaches for assessing prevalent and incident vertebral fractures in postmenopausal osteoporosis. We analyzed lateral thoracolumbar spine radiographs (baseline and approximately 3.5 year follow-up) of 503 women (age > or = 65) randomly selected from the Study of Osteoporotic Fractures (SOF) population. SQ assessment by an experienced radiologist graded vertebral fractures from 0 (normal) to 3 (severe). Incident fractures by SQ were defined as an increase of > or = 1 grade on follow-up radiographs. Trained research assistants visually triaged women as normal, uncertain, or probably fractured and visually flagged vertebrae with moderate/severe (grade > or = 2) prevalent fractures or with any (grade > or = 1 change) incident fracture. The radiographs were also digitized by research assistants, and quantitative morphometry (QM) was used to classify vertebral deformities at several cut-offs based on standard deviation (SD) reductions in height ratios from normal means, e.g., QM > or = 3 SD. Incident fractures by QM were defined as a decrease in height of more than 15% (QM15) on follow-up radiographs. Finally, a combination of these methods was used to detect moderate/severe prevalent fractures and any grade of incident fractures. In the overall analysis, the prevalence of fractures varied from 14 to 33% and the incidence from 5 to 10% by woman, depending upon the method and cut-off criteria. In the detailed analysis, considering visually triaged uncertain as abnormal, triage by research assistants detected 97.0% (163/168) of women with SQ grade > or = 1 fractures and 100% (70/70) with SQ grade > or = 2 fractures. Visual flagging by research assistants detected 88.5% (108/122) of SQ > or = 2 prevalent fractures (kappa score, kappa = 0.82) and 85.2% (52/61) of SQ incident fractures (kappa = 0.79). QM > or = 3 SD detected 37.9% (141/372) of SQ > or = 1 prevalent fractures (kappa = 0.51) and 79.5% (97/122) of SQ > or = 2 prevalent fractures (kappa = 0.68), plus 18 vertebrae without SQ fractures. QM 15 detected 59% (36/61) of SQ incident fractures (kappa = 0.70), plus five vertebrae without SQ incident fractures. The combination assessment detected 92% (112/122) of SQ > or = 2 prevalent fractures (kappa = 0.76) and 84% (51/61) of SQ incident fractures (kappa = 0.91). The precision errors of QM vertebral height measurements (baseline versus follow-up) ranged from 2.71 to 2.92%. Nevertheless, excluding the 5719 vertebrae that were clearly normal by morphometry, i.e., within 2 SD of the normal means at both baseline and follow-up, two-thirds (358/556) of the remaining vertebrae changed classification by at least 1 SD category. Visual triage and visual flagging by research assistants appear to be highly effective methods for vertebral fracture assessment in osteoporosis, potentially reducing the number of false-positive and false-negative fractures detected by QM, at least relative to SQ by the radiologists. There is higher concordance among the visual approaches studied than between the visual SQ and quantitative morphometric approaches, with QM having limited ability to detect mild fractures but good ability to detect moderate/severe fractures, as classified by SQ. Use of a combination of sensitive qualitative and quantitative criteria, with adjudication by an experienced radiologist, is feasible and draws upon the relative strengths of each of the methods. Quantitative morphometry should not be performed in isolation, particularly when applying highly sensitive morphometric criteria at low threshold levels, without visual assessment to confirm the detected prevalent or incident vertebral defor

Aged↗
PubMed2004

The validity of self-reported fractures among Danish female nurses: comparison with fractures registered in the Danish National Hospital Register.

BACKGROUND: The authors compared self-reported non-spine fractures obtained from a cohort of Danish female nurses with fracture diagnoses registered in the Danish National Hospital Register (DNHR). METHOD: The self-reported fracture history was obtained from a questionnaire and was related to fracture information registered with the DNHR by means of the unique person identification code of Danish citizens. A total of 166 self-reported hip fractures, 391 self-reported wrist fractures, and 121 self-reported upper arm fractures were available for the comparison. The self-reported fractures were initially compared with the anatomic specific fracture diagnoses registered in the DNHR. Second, the comparison also included fracture diagnoses of adjacent skeletal sites (unspecific fracture diagnoses). RESULTS: The positive predictive value of a positive report of hip fracture was 89%. Inclusion of unspecific registered hip fractures increased the positive predictive value to 94%. The same figures for wrist fractures were 75% and 84%, respectively, and for upper arm fractures 54% and 83%, respectively. The predictive value of a negative report of hip fracture was 99.5%. The fracture year was correctly reported in 76% of the hip fracture cases, 81% of the wrist fracture cases, and 82% of the upper arm fracture cases. Predictors of false-positive report of fractures were young age ( < 60 years), report of indoor falls in the previous year, and use of hormone replacement therapy (HRT). CONCLUSION: The authors conclude that self-report of hip, wrist, or upper arm fractures among Danish nurses is relatively accurate but varies by the site of fracture. False positive reports of fracture introduce only modest bias fracture risk estimates and tend to dilute the association between exposures and fracture.

Aged↗
PubMedDate not supplied

Treatment with alendronate prevents fractures in women at highest risk: results from the Fracture Intervention Trial.

BACKGROUND: The efficacy of antiresorptive therapy in preventing fractures in women at highest fracture risk, such as very elderly women or those with severe osteoporosis, is uncertain. PARTICIPANTS AND METHODS: Using data from a double-blind, randomized, placebo-controlled clinical trial that enrolled 2027 postmenopausal women aged 55 to 81 years with low femoral neck bone mineral density (BMD) and existing vertebral fractures, we examined the consistency of the effect of treatment with alendronate sodium in preventing fractures within a priori-specified risk subgroups defined at baseline by age, bone density, number of preexisting vertebral fractures, and history of postmenopausal fracture. The women were randomized to oral administration of alendronate or placebo and followed up for an average of 2.9 years. The initial dose of alendronate sodium was 5 mg/d; the dosage was increased from 5 to 10 mg/d at 24 months. New vertebral fractures, the primary end point of this arm of the trial, were defined by morphometry as a decrease of 20% and at least 4 mm in any vertebral height between baseline and a follow-up radiograph at 36 months. Incident clinical fractures, the secondary end point, included nonspine and clinical (symptomatic) vertebral fractures. All clinical fractures were confirmed with x-ray film reports or, in the case of clinical vertebral fractures, x-ray films. RESULTS: Overall, there was a 47% significant reduction in risk of new vertebral fractures in the alendronate group compared with the placebo group. The reduction in risk of new vertebral fracture was consistent across fracture risk categories including age (relative risk [RR], 0.49 in women < 75 years compared with 0.62 in those > or = 75 years), BMD (RR, 0.54 in women with a femoral neck BMD < 0.59 g/cm2 [median] compared with 0.53 in those with a BMD > or = 0.59 g/cm2), and number of preexisting vertebral fractures (RR, 0.58 in women with 1 vertebral fracture compared with 0.52 in those with > or = 2). The overall significant 28% reduction in risk of incident clinical fractures in the alendronate group compared with the placebo group was also observed within these subgroups. Compared with the number of lower-risk women, a similar or smaller number of high-risk women needed to be treated to prevent 1 fracture. For example, 8 women aged 75 years or older compared with 9 women younger than 75 years, or 4 women with 2 or more existing vertebral fractures compared with 16 women with 1 existing vertebral fracture, needed to be treated with alendronate for 5 years to prevent 1 new vertebral fracture. CONCLUSIONS: Alendronate effectively reduces fracture risk in postmenopausal women with vertebral fractures and low BMD, including those women at highest risk because of advanced age or severe osteoporosis. Since the risk reductions observed with alendronate treatment were consistent within fracture risk categories, more fractures were prevented by treating women at highest risk.

Administration, Oral↗
PubMed2005

The association between supracondylar-intercondylar distal femoral fractures and coronal plane fractures.

BACKGROUND: Isolated coronal plane fractures of the distal femoral condyles (Hoffa fractures) occur uncommonly, are difficult to diagnose, and may be challenging to treat. The combination of supracondylar distal femoral fractures and these coronal plane fractures is thought to occur rarely. The purposes of the present study were to identify the frequency of the association between supracondylar-intercondylar distal femoral fractures and coronal fractures of the femoral condyle and to describe the radiographic evaluation of these injuries. METHODS: One hundred and eighty-nine patients with 202 supracondylar-intercondylar distal femoral fractures were retrospectively evaluated clinically and radiographically. RESULTS: Coronal plane fractures were diagnosed in association with seventy-seven (38.1%) of the 202 supracondylar-intercondylar distal femoral fractures. Fifty-nine (76.6%) of these coronal fractures involved a single condyle, and eighteen involved both the medial and lateral femoral condyles. Eighty-five percent of the coronal fractures involving a single condyle were located laterally. Patients with an open distal femoral fracture were 2.8 times more likely to have a coronal plane fracture than patients with a closed fracture were (95% confidence interval, 1.54 to 5.25). Coronal plane fractures were diagnosed in 47% of the 102 knees that were evaluated with computerized tomography, compared with 29% of the 100 knees that were not (p = 0.008). Ten coronal plane fractures that had been unrecognized preoperatively were identified only at the time of operative fixation of the distal femoral fracture; none of these fractures occurred in patients who had been evaluated with computerized tomographic scanning preoperatively. CONCLUSIONS: Coronal plane fractures frequently occurred in association with high-energy supracondylar-intercondylar distal femoral fractures; in the present study, the prevalence of associated coronal plane fractures was 38%. The lateral condyle was involved more frequently than the medial condyle was. Coronal plane fractures of both condyles were observed commonly, and the majority of coronal plane fractures were associated with open wounds. Since the surgical tactic for the treatment of a supracondylar-intercondylar distal femoral fracture may be altered by the additional diagnosis of a coronal plane fracture component, preoperative computerized tomographic scanning of the injured distal part of the femur, particularly when there is an associated open wound, is strongly recommended.

Femoral Fractures↗
PubMedDate not supplied

Limb fractures in elderly men as indicators of subsequent fracture risk.

BACKGROUND: Whether limb fracture in elderly men predicts future fracture is unknown. METHODS: Electronic health records were examined to determine fracture incidence among men 60 years or older who were members of a large health maintenance organization, experienced no fracture in the past 2 years, and experienced an ankle, hip, humerus, or wrist fracture between July 1, 1997, and August 31, 2001. Proportional hazards models were used to compare risk of new fracture (ankle, hip, humerus, or wrist) between groups. Recurrent fractures of the same type were excluded from analysis. RESULTS: During the follow-up period (mean duration, 2.4 years), 0.5% of the control subjects without fractures experienced a subsequent ankle fracture; 0.6%, a hip fracture; 0.2%, a humerus fracture; and 0.4%, a wrist fracture. A limb fracture was about 4 times more likely to occur in persons who experienced a previous humerus fracture (relative risk, 3.9; 95% confidence interval, 2.5-6.0), about 3 times more likely to occur in persons who experienced a previous hip fracture (relative risk, 2.8; 95% confidence interval, 1.7-4.5), and about 2 times more likely to occur in persons who experienced a previous wrist fracture (relative risk, 2.2; 95% confidence interval, 1.4-3.5) than in controls. In contrast, persons who experienced a previous ankle fracture had no greater risk of subsequent fracture than nonfracture controls (relative risk, 1.0; 95% confidence interval, 0.5-1.9). CONCLUSIONS: Among men 60 years or older, a recent hip, humerus, or wrist fracture is a statistically and clinically significant predictor of future limb fracture risk. An increased risk of future fracture is greatest after a humerus fracture and is lowest after a wrist fracture; however, among elderly men, a previous ankle fracture is not an indicator of future fracture risk.

Aged↗
PubMed2004

A family history of fracture and fracture risk: a meta-analysis.

The aims of the present study were to determine whether a parental history of any fracture or hip fracture specifically are significant risk factors for future fracture in an international setting, and to explore the effects of age, sex and bone mineral density (BMD) on this risk. We studied 34,928 men and women from seven prospectively studied cohorts followed for 134,374 person-years. The cohorts comprised the EPOS/EVOS study, CaMos, the Rotterdam Study, DOES and cohorts at Sheffield, Rochester and Gothenburg. The effect of family history of osteoporotic fracture or of hip fracture in first-degree relatives, BMD and age on all clinical fracture, osteoporotic fracture and hip fracture risk alone was examined using Poisson regression in each cohort and for each sex. The results of the different studies were merged from the weighted beta coefficients. A parental history of fracture was associated with a modest but significantly increased risk of any fracture, osteoporotic fracture and hip fracture in men and women combined. The risk ratio (RR) for any fracture was 1.17 (95% CI=1.07-1.28), for any osteoporotic fracture was 1.18 (95% CI=1.06-1.31), and for hip fracture was 1.49 (95% CI=1.17-1.89). The risk ratio was higher at younger ages but not significantly so. No significant difference in risk was seen between men and women with a parental history for any fracture (RR=1.17 and 1.17, respectively) or for an osteoporotic fracture (RR=1.17 and 1.18, respectively). For hip fracture, the risk ratios were somewhat higher, but not significantly higher, in men than in women (RR=2.02 and 1.38, respectively). A family history of hip fracture in parents was associated with a significant risk both of all osteoporotic fracture (RR 1.54; 95CI=1.25-1.88) and of hip fracture (RR=2.27; 95% CI=1.47-3.49). The risk was not significantly changed when BMD was added to the model. We conclude that a parental history of fracture (particularly a family history of hip fracture) confers an increased risk of fracture that is independent of BMD. Its identification on an international basis supports the use of this risk factor in case-finding strategies.

Age Factors↗
PubMed2003

Comparison of biochemical markers of bone turnover and bone mineral density between hip fracture and vertebral fracture.

Bone density and the biochemical markers of bone turnover were compared between 26 hip-fracture patients and 41 vertebral-fracture patients after age adjustment to investigate whether or not type of osteoporosis differs between hip fracture and vertebral fracture. C-Terminal propepides of type I collagen (PIPC) was lower in hip fracture than vertebral fracture. The other bone formation markers (bone-specific alkaline phosphatase [ALP], osteocalcin) tended to be lower, and bone resorption markers (deoxypyridinoline, C-telopeptide crosslinking of type I collagen [CTX] tended to be higher in hip fracture compared to vertebral fracture. Mean of Z-scores of spine bone mineral density (BMD) in hip fracture and vertebral fracture were -0.461 and -0.919, respectively. Mean of Z-scores of femoral neck BMD in hip fracture and vertebral fracture were -0.994 and -0.361, respectively. All Z-scores were negative values, which means reduction of BMD compared to decade-matched controls. Z-scores of bone formation markers, such as bone-specific ALP, osteocalcin, and PIPC, were positive values in vertebral fracture, which means an increase against decade-matched controls, whereas those were negative values in hip fracture. Z-scores of bone resorption markers, such as deoxypyridinoline and CTX, were greater in hip fracture than in vertebral fracture. To express bone balance between formation and resorption in hip fracture and vertebral fracture, we calculated an uncoupling status index (USI) by the values of biochemical markers. USI of hip fracture showed a great negative value (-1.29), which indicates excess of bone resorption over formation, whereas that of vertebral fracture showed a small positive value (0.23). In conclusion, bone formation markers increase in vertebral fractures, but decrease in hip fracture. Bone resorption markers increase in both fracture, but greater increase in hip fracture.

Aged↗
PubMed2003

Fracture risk following an osteoporotic fracture.

The aim of this study was to examine the pattern of fracture risk following a prior fracture at the spine, shoulder or hip. We studied 1918 patients with fractures at these sites identified from the Department of Radiology in Malmo who were followed for 5 years. Poisson regression was used to compute fracture rates immediately after the initial fracture and at 5 years thereafter in men and women aged 60 or 80 years. Immediate fracture risk was higher than that of the general population, more markedly so at the age of 60 than at 80 years. At the age of 60 years, the risk of hip, forearm and spine fractures were significantly increased following a prior spine, hip or shoulder fracture in men. A similar pattern was seen in women, except that the increase in risk of forearm fracture following a spine or hip fracture was not statistically significant. The incidence of further fractures at the shoulder, spine or hip fell with time after the first fracture, a fall that was significant for all fractures after a shoulder fracture, hip fracture after a spine fracture, and hip and spine fractures after a hip fracture. We conclude that the risk of a subsequent fracture immediately after an osteoporotic fracture is highest immediately after the event. This provides a rationale for very early intervention immediately after fractures to avoid recurrent fractures.

Age Factors↗
PubMed2005

Rib fractures predict incident limb fractures: results from the European prospective osteoporosis study.

Population studies suggest that rib fractures are associated with a reduction in bone mass. While much is known about the predictive risk of hip, spine and distal forearm fracture on the risk of future fracture, little is known about the impact of rib fracture. The aim of this study was to determine whether a recalled history of rib fracture was associated with an increased risk of future limb fracture. Men and women aged 50 years and over were recruited from population registers in 31 European centres for participation in a screening survey of osteoporosis (European Prospective Osteoporosis Study). Subjects were invited to complete an interviewer-administered questionnaire that included questions about previous fractures including rib fracture, the age of their first fracture and also the level of trauma. Lateral spine radiographs were performed and the presence of vertebral deformity was determined morphometrically. Following the baseline survey, subjects were followed prospectively by annual postal questionnaire to determine the occurrence of clinical fractures. The subjects included 6,344 men, with a mean age of 64.2 years, and 6,788 women, with a mean age of 63.6 years, who were followed for a median of 3 years (range 0.4-5.9 years), of whom 135 men (2.3%) and 101 women (1.6%) reported a previous low trauma rib fracture. In total, 138 men and 391 women sustained a limb fracture during follow-up. In women, after age adjustment, those with a recalled history of low trauma rib fracture had an increased risk of sustaining 'any' limb fracture [relative hazard (RH)=2.3; 95% CI 1.3, 4.0]. When stratified by fracture type the predictive risk was more marked for hip (RH=7.7; 95% CI 2.3, 25.9) and humerus fracture (RH=4.5; 95% CI 1.4, 14.6) than other sites (RH=1.6; 95% CI 0.6, 4.3). Additional adjustment for prevalent vertebral deformity and previous (non-rib) low trauma fractures at other sites slightly reduced the strength of the association between rib fracture and subsequent limb fracture. In men, after age adjustment, there was a small though non-significant association between recalled history of rib fracture and future limb fracture. Our data highlight the importance of rib fracture as a marker of bone fragility in women.

Aged↗