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PubMed2002

Quality of life related to fracture displacement among elderly patients with femoral neck fractures treated with internal fixation.

OBJECTIVE: To determine differences in outcome between undisplaced (Garden I and II) and displaced (Garden III and IV) femoral neck fractures in elderly patients treated with internal fixation. SETTING: University hospital. DESIGN: Prospective clinical study. PATIENTS: Ninety patients with an acute femoral neck fracture after a fall. The inclusion criteria were age older than sixty-five years, absence of severe cognitive dysfunction, independent living, and unhindered walking capability preoperatively. The mean follow-up was twenty-six months. INTERVENTION: The patients were treated with closed reduction and percutaneous internal fixation with two cannulated screws. MAIN OUTCOME MEASUREMENTS: Fracture healing complications, pain (visual analogue scale), walking capability, activities of daily living, and quality of life according to EuroQol. RESULTS: The rate of fracture healing complications in displaced femoral neck fractures in patients available at the final follow-up was 36 percent compared with 7 percent in patients with undisplaced fractures. The quality of life, according to EuroQol, of patients with uneventfully healed fractures was significantly lower in patients with primarily displaced fractures (0.51) than in patients with undisplaced ones (0.76). CONCLUSION: There was a major difference in outcome on comparing undisplaced and displaced femoral neck fractures in elderly patients treated with internal fixation. The rate of fracture healing complications in patients with undisplaced fractures was low, and patients with healed fractures regained their prefracture quality of life level. The rate of fracture healing complications and reoperations in patients with displaced fractures was high, and even in patients with uneventfully healed fractures, there was a substantial decrease in the quality of life.

Age Factors↗
PubMed2006

Is the absence of an ipsilateral fibular fracture predictive of increased radiographic tibial pilon fracture severity?

OBJECTIVE: Despite their frequent occurrence, there is little clinical or biomechanical data associating the status of the fibula with any injury pattern of the tibial plafond. Similarly, the integrity of the fibula is not assessed in the commonly used tibial pilon fracture classification schemes. The purpose of this study was to determine whether there is a difference in the radiographic severity of tibial pilon injuries with fibular fractures compared with those without fibular fractures by using a rank-order method. DESIGN: Case-control, radiographic review. SETTING: Urban level-1, university trauma center. PATIENTS: During a 36-month period, 20 consecutive tibial pilon injuries without associated fibular fractures were retrospectively identified by using a prospectively gathered trauma database (group 1). During the same time period, an additional 197 tibial pilon injuries with fibula fractures were identified and classified according to the AO/OTA System. This included 48 AO/OTA 43B-type (24.4%) and 149 AO/OTA 43C-type (75.6%) fractures. From this larger group of patients, an age- (+/-5 years) and gender- matched cohort of 20 tibial pilon injuries with fibular fractures were randomly selected electronically (group 2). INTERVENTION: Digital concealment of the fibula on the anteroposterior and lateral injury radiographs. MAIN OUTCOME MEASURE: Before definitive fixation, 3 orthopaedic traumatologists independently ranked the digitized anteroposterior and lateral radiographs of all 40 patients according to severity with 40 representing the most severe injury. RESULTS: Interobserver agreement between the 3 evaluators showed a significant positive association (Kendall's concordance coefficient = 0.87; P = 0.0001). The overall mean rank score for tibial pilon injuries with fibula fractures was 24.4, whereas those without fibula fractures was 16.7 (t test = 0.02). When evaluated within the AO/OTA classification system, the mean rank score for C-type tibial pilon fracture patterns was 10.3 in group 1 and 8.7 in group 2 (P = 0.5). AO/OTA C-type tibial pilon fracture patterns were observed more commonly in group 2 than in group 1 (P = 0.006). CONCLUSIONS: This study demonstrates that, overall, tibial pilon injuries with fibular fractures were statistically ranked as more radiographically severe than those without fibular fractures. Fibular fractures are more commonly associated with C-type injuries than B-type injuries. There was no difference in severity in C-type injuries with or without fibular fractures; however, C-type injuries were ranked, as a group, significantly more radiographically severe than B-type injuries.

Adult↗
PubMed1993

Individuals who sustain nonosteoporotic fractures continue to also sustain fragility fractures.

This retrospective case control study was done in order to investigate whether patients who sustain a "nonosteoporotic fracture" early in life also continue to sustain fragility fractures later in life. All patients who had been treated at the Department of Orthopedics in Malmö with a tibial shaft fracture from 1949 to 1963 (n = 767) or an ankle fracture from 1961 to 1965 (n = 786) were included in this study. At the time of follow-up in 1992, 231 of the patients who sustained a tibial shaft fracture and 260 of the patients who sustained an ankle fracture were still living in the city of Malmö. Objective registration was done of all subsequent fractures that these former patients had sustained. Comparison was done with corresponding data from double numbers of age- and sex-matched controls who at that time (1950s and 1960s) had no such fractures. At the time of the fracture as well as today, the controls were living in the area of Malmö. Individuals with earlier tibial or ankle fractures had an increased incidence of fractures generally classified as fragility fractures. There was no difference in this respect between men and women, nor whether the initial fracture had been diaphyseal or metaphyseal. We conclude that sustenance of fractures early in life may serve as a predictor for fragility fractures later in life.

Adolescent↗
PubMed1994

Spine fracture risk is predicted by non-spine fractures.

A prospective cohort study of 1098 postmenopausal Japanese-American women evaluated the relationship between baseline non-spine fractures and new (incident) spine fractures. At the baseline examination in 1981, prevalent non-spine fractures were ascertained by interview, and prevalent spine fractures by radiograph. Bone mass measurements of the distal radius, proximal radius, calcaneus (1981), the lumbar spine (1984) were obtained and repeated at 1- to 2-year intervals. Women with existing non-spine fractures have a threefold greater risk of subsequent spine fractures, independent of bone mass, and independent of the known association between prevalent spine fractures and subsequent spine fractures. Women with both a prevalent non-spine fracture and low bone mass (50th percentile or lower) have an eightfold greater risk of new spine fractures compared with women above the 50th percentile of bone mass and no prevalent fractures. In addition to low bone mass, both prevalent spine fractures and prevalent non-spine fractures are strong risk factors for subsequent spine fracture. These data suggest that not all osteoporotic risk factors are expressed via bone mass, and that other, unmeasured risk factors, such as bone quality defects, may explain these results. In clinical terms, women with both prevalent fractures and low bone mass should be recognized as being at extremely high risk, and treatment potency should be commensurate with this level of risk.

Adult↗
PubMed2003

The contribution of hip fracture to risk of subsequent fractures: data from two longitudinal studies.

BACKGROUND: The contribution of hip fracture to the risk of subsequent fractures is unclear. METHODS: Data from the Baltimore Hip Studies and the Established Populations for Epidemiologic Studies of the Elderly (EPESE) were used. Baltimore subjects enrolled at the time of hip fracture ( n=549) and EPESE subjects without previous fractures at baseline ( n=10,680) were followed for 2-10 years. Self-reported nonhip skeletal fracture was the outcome, and hip fracture was a time-varying covariate in a survival analysis stratified by study site. The model was adjusted for race, sex, age, BMI, stroke, cancer, difficulty walking across a room, dependence in grooming, dependence in transferring, and cognitive impairment. RESULTS: The rate of all subsequent self-reported fractures after hip fracture was 10.4 fractures/100 person-years. The unadjusted hazard of nonhip skeletal fracture was 2.52 (95% confidence interval 2.05 to 3.12) for subjects with hip fracture compared with subjects without; when adjusted for other known fracture risk factors the hazard ratio was 1.62 (1.30 to 2.02). Men and women had a similar relative risk increase. The increased risk of secondary fracture after hip fracture persisted over time. CONCLUSIONS: A hip fracture is associated with a 2.5-fold increased risk of subsequent fracture, which is not entirely explained by prefracture risk factors. Careful attention to secondary prevention is warranted in these patients.

Aged↗
PubMed1998

Family history and risk of osteoporotic fracture. Study of Osteoporotic Fractures Research Group.

The importance of family history of fractures as a risk factor for fractures is unclear. The aim of this study was to test the hypothesis that family history of fracture increased a woman's risk of hip, wrist and other osteoporotic fracture and determine whether the influence of family history is independent of low bone density. We tested this hypothesis in a prospective study of 9704 Caucasian women, age 65 years or older, by assessing family history and bone density of the radius and calcaneus at baseline; 7963 women had femoral bone density measurements two years later. Fractures occurring during an average of 7.1 years of follow-up since baseline and 5.2 years since the second examination were confirmed by radiographic report. After adjusting for age, risk of hip fracture was increased in those with a maternal (1.48; 95% CI = 1.03-2.11); sister's (1.83; 1.20-2.80) or brother's history of hip fracture (2.26; 1.16-4.42). Risk of wrist fracture was increased by maternal (1.52; 1.10-2.11) and paternal (2.41; 1.14-5.07) history of wrist fracture. Adjustment for bone density did not consistently and substantially affect the strength of the associations. Family history of hip fracture was not associated with an increased risk of wrist fracture and family history of wrist fracture did not increase the risk of hip fracture. We conclude that family history is an important risk factor for fracture that may act, at least in part, through means besides bone density. Furthermore, the effect of family history is not a general but site-specific predisposition to fracture.

Aged↗
PubMed2003

New concepts in the treatment of ankle joint fractures. The IP-XS (XSL) and IP-XXS (XXSL) nail in the treatment of ankle joint fractures.

INTRODUCTION: The most important factor in the treatment of ankle joint fractures is stable anatomical reconstruction of the syndesmosis and joint surface. In the course of this, attention must be paid to soft-tissue damage with the risk of deep infections. Early functional therapy and exercise tolerance must be called for. The choice of surgical access route, in particular in the case of critical arterial circulation, and the possible irritation of the soft tissue by the osteosynthesis material prompted us to seek alternative osteosynthesis techniques. MATERIAL AND METHODS: Following a preclinical study and very good initial results with the XS nail in the treatment of patella and olecranon fractures, this was now also used for ankle joint fractures at the medial malleolus and lateral malleolus. In the period from 5/2000 to 1/2002, 194 ankle joint fractures were treated using the XS nail. These were predominantly Weber B, C and bimalleolar fractures. In the case of ankle joint fractures, osteosynthesis was carried out following precise open fracture repositioning. In the case of isolated fibula fractures, early loading was allowed within 1 week; in the case of bimalleolar fractures, there was immediate partial loading with 20 kg for 4 weeks, after which they were subjected to full loading. Where there was an additional Volkmann fracture, we allowed only immediate partial loading with 10 kg for 6 weeks. All 194 patients were observed prospectively, and 162 (83.5%) could be followed up after 15 months. The results were classified according to the scale described by Olerud. RESULTS: It has been possible to follow up 162 patients, with an average age of 49.7 years. There were 62 (38.3%) Weber B and 45 (27.8%) Weber C fractures. In 55 (34.0%) cases, bimalleolar fractures were present. According to the Olerud score, 95 (58.6%) of the patients had an excellent outcome, 54 (33.3%) a good one, 9 (5.5%) a fair one and 4 (2.5%) an unsatisfactory outcome. In 3 cases a threaded wire dislocation occurred, without complications. Two mesh graft transplants were necessary; otherwise, there were no soft-tissue problems requiring review. One pseudarthrosis was seen. CONCLUSION: The XS nail which is introduced here fulfils the requirements made of an implant as regards maximum protection of soft tissue, secure fracture fixation and early exercise tolerance, including ankle fractures. No implant dislocation, no deep infection and no re-osteosynthesis were observed. Its advantages over conventional techniques lie precisely in the treatment of complex fractures and for patients with poor bone, vascular and soft-tissue situations.

Adolescent↗
PubMed1996

An earlier fracture as a risk factor for new fracture and its association with smoking and menopausal age in women.

OBJECTIVES: The purpose of this study was to investigate whether a previous fracture is a risk factor for fracture later in life and its association with tobacco smoking, menopausal age and the use of oral contraceptives. This is an epidemiological population study based on a questionnaire. A sample of 10000 women from seven birth cohorts between 1900-1940 was obtained at random from the population register. The overall response rate was 74.6%. The responders (n = 7459) represented 53% of the total population. METHODS: The women from all these birth cohorts were questioned regarding a possible history of fractures and the year in which they were sustained. The questionnaire also included questions about menopausal age, use of oral contraceptives, previous gynaecological operations and possible oestrogen medication. The women from the 1900-1920 birth cohorts were questioned in detail about urogenital disorders, while tobacco smoking data were recorded only for the 1930 and 1940 birth cohorts. RESULTS: The relative risk of sustaining a further fracture was significantly related to fracture premenopausally before 40 years of age and later fracture postmenopausally after 60 years of age (1.29; 0.97-1.70) compared to controls (0.78; 0.59-1.03)(P = 0.03). Both an early menopause and tobacco smoking were associated significantly with repeated fractures, while use of oral contraceptives had a protective effect against repeated fractures in the 1940 birth cohort. Logistic multiple regression showed that a fracture was a significant independent risk factor for further fracture in both cohorts 1900-1920 (P < 0.01) and 1930-1940 (P < 0.05). CONCLUSIONS: This study suggests poorer protective resources against new fractures among women with previous fractures, and that lack of oestrogen menopausally can partly explain the enhanced risk of fracture, not only during the menopause but also later in life when a hip fracture may have immense consequences. The results should draw our attention to emphasise the need for active treatment of patients with established osteoporosis because of the increased risk of new fractures later in life.

Age Factors↗
PubMed2006

Isolated radial shaft fractures are more common than Galeazzi fractures.

PURPOSE: In contrast to isolated diaphyseal fractures of the ulna (so-called night-stick fractures), isolated fractures of the radial diaphysis generally are expected to have associated injury of the distal radioulnar joint (DRUJ), the so-called Galeazzi fracture. This study retrospectively reviewed isolated fractures of the radial diaphysis in a large cohort of patients to determine how often such fractures occur without DRUJ injury METHODS: Thirty-six patients with fracture of the radius without fracture of the ulna were followed up for at least 6 months after injury. Injury of the DRUJ was defined as more than 5 mm of ulnar-positive variance on radiographs taken before any manipulative or surgical reduction. All of the fractures were treated with plate and screw fixation (8 with autogenous bone grafting) and all healed. Patients with DRUJ injury had either temporary pinning or immobilization of the DRUJ or surgical fixation of a large ulnar styloid fracture. Patients without DRUJ injury were mobilized within 2 weeks. RESULTS: Nine patients had dislocation of the DRUJ, 4 with large ulnar styloid fractures. Among the remaining 27 patients 1 had displacement of the proximal radioulnar joint noted after surgery, leading to a secondary procedure for radial head resection. The functional results were satisfactory or excellent in all but 2 patients with functional limitations related to central nervous system injury. No patient had DRUJ dysfunction at the final follow-up evaluation. CONCLUSIONS: Isolated fractures of the radial diaphysis are more common than true Galeazzi fractures. Surgeons should take great care not to overlook injury to the distal or proximal radioulnar joint in association with isolated diaphyseal fractures of the radius; however, fractures without identifiable radioulnar disruption can be treated without specific treatment of the DRUJ and with immediate mobilization. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic, Level IV.

Adolescent↗
PubMed1993

Clandestine femoral neck fractures with ipsilateral diaphyseal fractures.

We present a protocol for diagnosis of all femoral neck fractures associated with ipsilateral femoral diaphyseal fractures. A 30% incidence of delayed diagnosis has been reported by other investigators. Between 1982 and 1990, we have treated 32 patients with ipsilateral femoral neck and shaft fractures due to blunt trauma. Only 22 femoral neck fractures were diagnosed on prediaphyseal fixation radiographs. This left the 10 patients in this study who had normal prediaphyseal fixation radiographs and were subsequently found to have femoral neck fractures. The ipsilateral femoral neck fractures were found through a retrospective chart and radiographic review of all 555 femoral diaphyseal fractures identified through our trauma and fracture registries. The clinical and radiologic techniques for diagnosing the femoral neck fractures were presented. The time to union of the femoral shaft and neck was determined, and a preliminary radiologic assessment of the vascularity of the femoral head was made. Ten femoral neck fractures (31%) with normal preoperative radiographs were diagnosed after femoral diaphyseal fixation. One patient did not have a post-diaphyseal fixation radiograph. An incidental radiograph at 6 weeks showed a mildly displaced femoral neck fracture in an asymptomatic patient. At 16 weeks the patient became symptomatic, and a repeat radiograph showed the fracture. Five fractures were diagnosed in asymptomatic patients on routine post-femoral fixation radiographs. Two patients had normal post-femoral fixation radiographs, became symptomatic, and had their femoral neck fractures diagnosed on repeat radiographs at 3 and 7 days. One patient had normal pre- and postfixation radiographs, and on a 25-day routine femoral radiograph, the femoral neck fracture was diagnosed.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed2005

Fracture patterns and bone healing in recurrent mandibular fractures: a clinical study of 13 patients.

BACKGROUND: Recurrent fractures of the previously treated fractured mandible are rare. METHODS: In this retrospective study, 13 cases of repeated mandibular fractures were evaluated according to age, sex, cause, fracture localizations and patterns, treatment modalities, and complications. RESULTS: All of the patients were men, with a mean age of 27.5 years and 32 years for the first and the subsequent fractures, respectively. The mean time interval between fractures was 4.3 years. In 10 cases, the cause for the second fracture was an assault, with 90 percent related to alcohol intake. Angle, body, and parasymphysis region of the mandible were the most common sites to be involved in the first occasion. In 10 cases, an internal rigid fixation procedure was performed for the treatment. In the recurrent injuries, none of the fractures occurred at exactly the same anatomical site. Fractures were either in the neighboring side or the contralateral side of the previously healed area of mandible. On the second occasion, angle fractures were common and body and subcondylar fracture rates increased. At second presentation, the complication rate increased from 23.1 percent to 53.8 percent and most commonly involving malocclusion. CONCLUSIONS: This study showed that assault is the major etiologic factor for recurrent mandible fractures and that these fractures occur in different locations from the original injury. They necessitate a cautious approach for the prevention of unfavorable outcomes. Further retrospective clinical and experimental studies are necessary to elucidate the fracture patterns and bone-healing quality of these recurrent mandible fractures.

Adult↗
PubMed2003

BMD at multiple sites and risk of fracture of multiple types: long-term results from the Study of Osteoporotic Fractures.

UNLABELLED: In a large cohort of U.S. women aged 65 and older, we report the relationships of BMD measured at several sites, and subsequent fracture risk at multiple sites over > 8 years of follow-up. Although we found almost all fracture types to be related to low BMD, the overall proportion of fractures attributable to low BMD is modest. INTRODUCTION: Although several studies have reported the relationship between bone mineral density (BMD) and subsequent fracture risk, most have been limited by short follow-up time, BMD measures at only one or two sites, or availability of data for only select fracture types. MATERIALS AND METHODS: In the multicenter Study of Osteoporotic Fractures (SOF), we studied the relationship of several different BMD measures to fracture risk of multiple types in 9704 non-black women aged 65 and older. We previously reported on the relationship of peripheral BMD measures to risk of several types of fracture during an average 2.2-year follow-up period. In this expanded analysis, we present results of the relationship of both peripheral and central BMD measures and fractures of multiple types during 10.4 and 8.5 years of follow-up, respectively. We also report population attributable risk (PAR) estimates for osteoporosis and risk of several types of fracture. RESULTS: Our results show that almost all types of fractures have an increased incidence in women with low BMD. However, hip BMD is somewhat more strongly related to most of the fracture types studied than spine or peripheral BMD measures. Nonetheless, the proportion of fractures attributable to osteoporosis (based on a standard definition of osteoporosis) is modest, ranging from < 10% to 44% based on the most commonly used definition of osteoporosis (BMD T-score < -2.5). CONCLUSION: Finding effective prevention strategies for fractures in older women will require additional interventions beside preventions for bone loss, such as prevention of falls and other fracture risk factors.

Aged↗
PubMed1997

Pulmonary effects of fixation of a fracture with a plate compared with intramedullary nailing. A canine model of fat embolism and fracture fixation.

UNLABELLED: Fat-embolism syndrome and pulmonary dysfunction may develop in multiply injured patients who have a fracture of a long bone. Although early fixation of a fracture is beneficial, intramedullary nailing may exacerbate pulmonary dysfunction by causing additional embolization of marrow fat. We examined the pulmonary effects of the timing and method of fixation of a fracture in a canine fat-embolism model. Fat embolism was induced in forty-one adult dogs by reaming the ipsilateral femur and tibia followed by pressurization of the intramedullary canal. The animals were divided into a control group of eight dogs that had induction of fat embolism alone and an experimental group of thirty-three dogs that had induction of fat embolism and internal fixation of a transverse fracture of the middle of the contralateral femoral shaft. In the control group, four dogs each were killed four hours and twenty-four hours after induction of fat embolism. In the experimental group, a femoral fracture was created and fixation was performed four hours after embolic showering in fifteen animals and twenty-four hours after embolization in eighteen animals. The two experimental groups were subdivided according to the method of fixation of the fracture: eleven dogs each had application of a plate, nailing without reaming, and nailing with reaming. The pulmonary arterial pressure and the alveolar-arterial gradient were measured preoperatively, during induction of fat embolism, and as long as one hour after fixation of the fracture but before the animal was killed. The lungs, brain, and kidneys were examined for pathological and physiological evidence of intravascular fat. The intravascular fat persisted for twenty-four hours after induction of pulmonary fat embolism. Pulmonary arterial pressure remained elevated at four hours after the embolic showering, before creation and fixation of the fracture. By twenty-four hours after the induction of fat embolism, pulmonary arterial pressure had returned to the baseline level. Neither the creation nor the fixation of the fracture affected pulmonary arterial pressure. In the animals that had fixation of a fracture four hours after embolization, both nailing with reaming and nailing without reaming produced alveolar-arterial gradients that were higher than the baseline values, whereas fixation with a plate did not change the alveolar-arterial gradient significantly from the baseline value. In addition, the alveolar-arterial gradients in the animals that had nailing with reaming and nailing without reaming four hours after embolization were, respectively, four and 3.5 times higher than that in the animals that had fixation of the femur with a plate. In the animals that had fixation twenty-four hours after embolization, none of the methods for fixation affected the alveolar-arterial gradient. The amount of embolic fat in the lungs, brain, and kidneys was not affected by fixation of the fracture when it was performed at either the four-hour or the twenty-four-hour time-interval. Scores for pulmonary edema were increased by fixation of the fracture, but there was no difference among the scores associated with the three methods of fixation. CLINICAL RELEVANCE: The findings of the present study indicated that the amount of intravascular fat persisting in the lungs, kidneys, and brain twenty-four hours after pressurization of the intramedullary canal is not affected by the method of fixation of the fracture. Fixation of a fracture is associated with minimum evidence of acute inflammation and has no effect on pulmonary artery pressure. The development of pulmonary dysfunction from fat emboli depends on other factors, not just on the presence of fat in pulmonary vessels. It appears that the method of fracture fixation has little influence on the outcome of treatment.

Animals↗
PubMed2005

Role of dual energy X-ray absorptiometry in monitoring fracture healing in a rat femoral fracture model.

OBJECTIVE: To dynamically monitor the bone mineral density (BMD) and the histomorphological changes during fracture healing in a rat femoral fracture model and to explore the role of dual energy X-ray absorptiometry (DEXA) in evaluating bone fracture healing. METHODS: Sixty three-month-old female Sprague Dawley rats were used to establish right femoral fracture models. The BMD of the callus of the fractured right femur were scanned by DEXA at 2, 4, 6, 8, 10 and 12 weeks after operation, respectively. A light microscope was used to evaluate the callus of each rat at the same time. The corresponding segment of the left femur was taken as a control. RESULTS: The BMD at the fractured site increased significantly during the process of fracture healing, which shows an obvious healing trend. The callus BMDs were 29.5%, 48.3%, 85.3%, and 105.2% of the BMD of the control limb at 2, 4, 6 and 8 weeks after fracture, respectively. There was a significantly difference between the groups. A compatibility on time was found between the BMD and the histomorphological characteristics at the fractured site during the process of fracture healing. The fracture healing was almost completed at 8 weeks after fracture as assessed by its histomorphological characteristics when the callus BMD reached to 105.2% of the BMD of the control limb. The BMD of the distal metaphysis decreased until 12 weeks after fracture. CONCLUSIONS: DEXA can evaluate the mineralization of the callus during the fracture healing process accurately and quantitatively and is more sensitive than plain radiography in detecting impaired bone unions, which indicates that it may play an important role in monitoring fracture healing.

Absorptiometry, Photon↗
PubMed2003

Antegrade nailing of femoral shaft fractures combined with neck or distal femur fractures. A retrospective review of 25 cases, with a follow-up of 36-150 months.

INTRODUCTION: Complex femoral fractures pose considerable therapeutic challenges to orthopedic surgeons. We present a retrospective review of 25 patients with complex femoral fractures treated with intramedullary locked nailing and supplemental screw fixation. MATERIALS AND METHODS: Fifteen patients with ipsilateral femoral neck and shaft fractures (group 1) and 10 patients with ipsilateral femoral shaft and distal femur fractures (group 2) were treated from 1990 to 1998. High-energy injuries occurred in all patients. There were 4 open fractures. Antegrade, locked nailing of diaphyseal fractures was performed in all cases. Supplemental screws for the neck were used in all patients in group 1 and in 3 patients in group 2. RESULTS: All of the fractures united during the follow-up. Five patients in group 1 underwent reoperation (33.3%): one due to a delayed union, the second due to an implant failure, the third due to a nonunion of a neck fracture, and the last two because of an initially missed femoral neck fracture. None of the patients in group 2 underwent reoperation. Angular malalignment of the shaft was found in 6 fractures in group 1 (average 4.8 degree, range 3 degree-11 degree) and in 4 fractures in group 2 (average 6 degree, range 3 degree-12 degree). Shortening of the limb occurred in 3 patients in group 1 (average 1.4 cm, range 1-1.8) and in 1 patient in group 2 (2 cm). Loss of fixation was seen in 1 patient in each group. Avascular necrosis and infection were not seen in any case in both groups. CONCLUSION: Femoral intramedullary nails with antegrade or retrograde options for insertion and different locking possibilities have extended the indications to include both diaphyseal and metaphyseal fractures. New nail designs, usually more expensive than the conventional nails, have been introduced into the market for this purpose. One has to keep in mind that antegrade, locked nailing of femoral shaft fractures combined with neck or distal femur fractures is a technically demanding but efficacious procedure. The success rate is high when the technique is meticulously implemented.

Adolescent↗
PubMed2005

Children who experience their first fracture at a young age have high rates of fracture.

Rate of fracture was examined according to age at first fracture in 313 New Zealand children (145 girls, 168 boys) under l3 years of age (95.4% of a consecutive series of children treated at one hospital for a recent confirmed fracture at any site). In their lifetimes they had experienced 468 separate fracture events, over half (54.7%) occurring in the 32.3% of children breaking bones on more than one occasion. Children experiencing a first fracture before 4 years of age had 36.7 (95%CI 30.7-44.1) fractures per l00 years of exposure: this was a significantly higher rate than that of children experiencing their first fracture later in life. Thus, using the <4.0 year age group as a reference, we found that rate ratios (adjusted for gender) for groups that had suffered the first fracture at later ages were: first fracture between 4.0 and 6.99 years, 0.77 (95%CI 0.58-1.03); first fracture between 7.0 and 9.99 years, 0.63 (95%CI 0.42-0.94); first fracture between 10.0 and 12.99 years, 0.48 (95% CI 0.32-0.72). Asthma was over-represented (31% seen, 25% expected), and a high proportion of the sample (32.9%) used corticosteroid medications; however, neither characteristic affected age at first fracture. In contrast, the large number (n= 42) of youngsters (13.4% of the sample) reporting adverse reactions to milk were younger at first fracture than children without reactions to milk (P<0.05). We conclude that children experiencing their first fracture at a young age have high rates of fracture and should be targeted for advice to improve their bone strength.

Adrenal Cortex Hormones↗
PubMed1999

Majority of hip fractures occur as a result of a fall and impact on the greater trochanter of the femur: a prospective controlled hip fracture study with 206 consecutive patients.

The objectives of this study were to learn how hip fracture patients fall, and to compare the mechanics of their falls with those falls that did not result in hip fracture. In this way we sought to obtain reliable insight into the etiology and pathogenesis of hip fracture and fracture prevention. A total of 206 consecutive patients with fresh hip fracture and 100 controls were interviewed and examined between October 1994 and May 1996. The only inclusion criterion was that the fracture had occurred within 24 hours of hospital admittance. The control subjects were admitted from the same community after an accidental fall that did not result in hip fracture. The characteristics of the accident were determined by personal interview and examination of the patients within 24 hours of the event. In 98% of the hip fracture patients, the fracture was a result of a fall. The majority of the patients (76%) reported that they had fallen directly to the side. Forty-eight fracture cases had one or more eyewitnesses and their reports supported this observation. In 56% of the hip fracture patients, a fresh subcutaneous hematoma was seen on the greater trochanter of the proximal femur; such a hematoma was rare in the controls (6%) (P < 0. 001), and this gave evidence for the direct impact of the greater trochanter during the fall of the hip fracture subjects. Most of the elderly fallers who fractured a hip did not manage to break the fall, e.g., with an outstretched arm. In conclusion, our results suggest that a typical hip fracture is the result of a fall and a subsequent impact on the greater trochanter of the proximal femur. The clinical implication of this finding is that effective prevention of hip fractures could be achieved by the diminution of the number and severity of falls of the elderly. We suggest that the severity of the falls (impacts on the greater trochanter) could be decreased by an external hip protector.

Accidental Falls↗
PubMed2002

Distal radius fractures in older women: a 10-year follow-up study of descriptive characteristics and risk factors. The study of osteoporotic fractures.

OBJECTIVES: To determine the incidence of distal radius fractures and the characteristics of those fractures and to identify the key risk factors. DESIGN: Prospective cohort study, mean follow-up of 9.8 years. SETTING: Four clinical centers, one each in Baltimore, Maryland; Minneapolis, Minnesota; Pittsburgh, Pennsylvania; and Portland, Oregon. PARTICIPANTS: Nine thousand seven hundred four white women aged 65 and older, enrolled in the multicenter Study of Osteoporotic Fractures. METHODS: Five hundred twenty-seven distal radius fractures were confirmed by physician review of radiology reports; characteristics of the fractures were noted. Information was also collected on lifestyle, demographics, bone mineral density (BMD), and clinical and performance measures. RESULTS: The overall incidence of fracture was 7.3/1,000 person-years. Twenty-seven percent of the fractures were intra-articular; 73% were extra-articular. The independent predictors of fracture were decreased BMD (per 0.1 g/cm(2)) at the distal radius ( relative risk ( RR)=1.8, 95% confidence interval ( CI)=1.6-2.1), a history of recurrent falls ( RR=1.6, 95% CI=1.2-2.0), and having had a previous fracture since age 50 ( RR=1.3, 95% CI=1.1-1.6). Current use of oral estrogen was protective ( RR=0.6, 95% CI=0.4-0.8). For women aged 75 and older, poor cognitive status was also a predictor of wrist fracture. Intra-articular fractures occurred more than twice as frequently in women with diabetes mellitus. CONCLUSIONS: This is the first large long-term comprehensive study of distal radius fractures in older people. The results indicate that factors predictive of distal radius fractures can easily be assessed in routine clinical practice and can identify women at high risk for fracture. Selected preventive strategies could be designed to reduce the incidence of these fractures.

Aged↗