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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_9 | Pages 27 - 27
1 May 2017
Matthews A Jagodzinski N Westwood M Metcalfe J Trimble K
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The Cobb Stainsby forefoot arthroplasty for claw and hammer toes combines excision arthroplasty (Stainsby) with extensor tendon transfer to the metatarsal head (Cobb). We present a retrospective, three surgeon case series of 218 toes in 128 patients over four years. Clinical notes were reviewed for all patients and 77 could be contacted for a telephone survey. Follow up ranged from 12–82 months.

All patients presented with pain and shoe wear problems from dislocated metatarsophalangeal joints either from arthritis, hallux valgus, Freiberg's disease or neurological disorders. Ipsilateral foot procedures were performed simultaneously in 24 (30%) patients. Seventy-two patients (94%) were satisfied, 72 (94%) reported pain relief, 55 (71%) were happy with toe control, 61 (79%) were pleased with cosmesis, 59 (77%) returned to normal footwear and 56 (73%) reported unlimited daily activities. Minor complications occurred in 17 (13%) and 3 (2%) developed complex regional pain syndrome. Four (5%) developed recurrent clawing.

The Stainsby procedure permits relocation of the plantar plate under the metatarsal head for cushioned weight-bearing but can create a floppy, unsightly toe. By combining this with the Cobb procedure, our case series demonstrates improved outcomes from either procedure alone with benefits over alternatives such as the Weil's osteotomy.

Oxford Level 4 evidence – retrospective case series.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_32 | Pages 15 - 15
1 Sep 2013
Mounsey EJ Goian L Edwards C Metcalfe J
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Resuscitation decisions are part of routine practice and raise difficult, sensitive issues. We present experience of Do-Not-Attempt-Resuscitation (DNAR) decision-making in our unit.

Patients and staff (medical, nursing) completed a questionnaire to ascertain current practice, knowledge, and patient feeling regarding DNAR decisions.

Consultants and Registrars make DNAR decisions, junior-doctors and nurses feel they have insufficient knowledge. Senior-doctors were most familiar with BMA and Trust guidelines. The majority of all staff felt every patient should be asked. Consultants thought DNAR decision-making was least necessary.

Half of patients felt doctors had not explained the necessity of DNAR decisions and half felt conversations could have been handled better. Half said they had not been asked their opinion. Two-thirds would like more visual information.

UK-wide figures show 15% survival to discharge of in-hospital arrest; a-third of medical staff knew this. Registrars were most optimistic and consultants and ward doctors most pessimistic. All patients believed survival rate was 50%.

Important DNAR decisions are based on poor knowledge and communication. We developed an education programme for staff and information-video for patients and relatives to improve service. Video for DNAR discussions has not been previously used; it will provide a framework on which to approach this sensitive issue.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_32 | Pages 11 - 11
1 Sep 2013
Kosy J Brown S Foster J Holroyd B Metcalfe J
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Early detection of Developmental Dysplasia of the Hip (DDH), and treatment, may prevent the need for surgical correction following late presentation. Neonatal examination, and ultrasound screening of at risk groups, does not detect all cases. Most neonates treated in the Intensive Care Unit (NICU) have abdominal radiographs performed during their stay. These include the hips but DDH is not routinely looked for.

50 neonatal abdominal films (five from patients who subsequently were found to have DDH, 45 from patients without this condition) were randomly shown to three paediatric orthopaedic surgeons and three paediatric radiologists on two separate occasions. Each was asked whether they would refer the patient for further investigation.

An overall sensitivity of 25.5% (Range 0–60%) and specificity of 93.2% (Range 87–97%) was found with a positive predictive value (PPV) of 14.0% (Range 0–37%) and negative predictive value (NPV)of 96.3% (Range 95–98%).

Although the low sensitivity and PPV make interpretation of these films a poor way to diagnose DDH, the high specificity and NPV suggest that they may be used as a prompt to further investigation. Therefore, we propose that DDH should be looked for on these films and, where there is radiological suspicion, ultrasound examination should be advised.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_32 | Pages 9 - 9
1 Sep 2013
Gill D Bullen N Hill M Metcalfe J
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The WHO surgical safety checklist was introduced at Derriford Hospital in 2009. Evidence of the effect on efficiency has been slow to appear in the literature.

Using a standardised, locally modified WHO surgical safety checklist theatre list capacity, start and finish times as well as time between cases was measured in 4 elective orthopaedic theatres. Data from 3 successive years was analysed retrospectively: prior to checklist introduction, during checklist introduction and routine checklist use.

Data was analysed using the One-Way ANOVA with post-hoc Tukey test. The number of cases per list showed a statistical difference from Year 1–2 and this increase was sustained in Year 3. The number of delayed starts showed no difference between Year 1&2, followed by a statistically significant decrease in Year 3. The number of late finishes showed a statistical difference from Year 1–2 and this decrease was sustained in Year 3. However, the number of lost minutes between cases showed no difference between Year 1&2, followed by an increase in Year 3.

This study demonstrates that pre-list briefings combined with the WHO surgical checklist can improve theatre list capacity and prompt starts, reduce the number of overruns, however fails to improve turnaround time between cases.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXIV | Pages 16 - 16
1 May 2012
Rajan R Chandrasenan J Metcalfe J Konstantoulakis C
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The purpose of our study was to independently assess the modified Herring lateral pillar classification.

Methods and results

35 standardised true antero-posterior radiographs of children in various stages of fragmentation were independently assessed by 6 senior observers on 2 separate occasions (6 weeks apart). Kappa analysis was used to assess the inter and intraobserver agreement between observations made. Intraobserver analysis revealed at best only moderate agreement for two observers. 3 observers showed fair consistency, whilst 1 remaining observer showed poor consistency between repeated observations (p<0.01). The highest scores for interobserver agreement varying between moderate to good could only be established between 2 observers. For the remaining observers results were just fair (p<0.01).

Conclusion

This stdy highlights the lack of agreement between senior clinicians when applying the modified LPC. This clearly has clinical implications. To our knowledge this is the first time the modified lateral pillar classification has been independently tested for its reproducibility by a specialist orthopaedic unit.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXII | Pages 69 - 69
1 May 2012
Thomason K Paton J Trimble K Metcalfe J Marsden J
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Introduction

Shoes with a rocker sole are commonly prescribed following forefoot surgery to redistribute pressure towards the heel. By shifting the body weight backwards, does the rocker shoe adversely effect balance and so disturb normal muscle activity? This study investigated the effects of the Darco post-operative shoe, and the impact of a contralateral shoe raise, on forefoot pressure, posture and balance.

Materials and Methods

Fourteen healthy volunteers were investigated (age 36 ±10.8 yrs 11 females) either wearing (1) left Darco shoe and right standard shoe with/without a 5cm temporary shoe raise (Algeos Ltd) (2) two standard shoes. Postural sway was measured while standing with eyes open/closed and on/off a foam block. Dynamic balance was measured while stepping forwards/backwards and walking. Measurements of foot pressure (TECSKAN Inc USA), 3D body motion (Codamotion, UK) and surface electromyography of lower limb muscles were taken. Results were analysed using a repeated measures ANOVA.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 34 - 34
1 Jan 2011
Cove R Gupta S Loxdale S Keenan J Metcalfe J
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An audit of fractured neck of femur patients indicated that the delay in acquiring an echocardiogram was delaying surgery (time to echo 5.4 days ± 3.4SD (n=72), time to surgery 7.5 days ± 5.5SD (n=72)). This instigated a change in policy with the introduction of routine ‘targeted’ echocardiography performed by a cardiac technician at the patient’s bedside.

A re-audit has demonstrated an improvement in service (time to echo 1.0 days ± 0.7SD (n=96), time to surgery 2.9 days ± 1.9SD (n=118)). A targeted echocardiogram consists of an evaluation of left ventricular function expressed as normal, mild, moderate and severe (left ventricular ejection fraction > 50%, 40–50%, 30–40% and < 30%), the aortic valve (normal, non severe aortic stenosis, severe aortic stenosis, aortic regurgitation and aortic gradient). A targeted echo gives less information than a departmental echo where more parameters are measured, however the information provided is enough to guide the anaesthetists choice of anaesthesia and intraoperative anaesthetic management. Senior Echo technicians perform the investigation at the patients bedside on the trauma ward in the mornings of the working week using a portable machine. Each echocardiogram takes 2 to 5 minutes to perform. If obvious significant other pathology is seen, the patient is referred for a full departmental echocardiogram.

A total of 28.4 patient bed days per month were saved following this change in practice, assuming days waiting for echo preoperatively equate to extra days spent in hospital. The total cost saving per month was £4435, based on the cost of routine targeted echocardiography (£10), departmental echocardiography (£60) and bed cost (£155 per night).

Expedient surgery within this group of patients should not be compromised by delays in obtaining timely echocardiography. The cost of routine ‘targeted’ echocardiography is low and this change in practice can be justified in both clinical and economic terms.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 3 - 3
1 Jan 2011
Gupta S Cove R Loxdale S Keenan J Metcalfe J
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Introduction – Patients who have sustained a fracture of the hip should have their surgical treatment with 48 hours of admission to hospital. A delay results in increased morbidity and mortality.

This elderly cohort of patients often have confounding co-morbidities. A pre-operative echocardiographic assessment to guide the anaesthetic is frequently requested upon clinical grounds. A delay in acquiring the echocardiogram was observed thus delaying surgery. This instigated a change in policy within the department whereby all patients over 70 years old who sustained a hip fracture underwent echocardiographic assessment with 24 hours of admission.

Method: An audit was performed assessing delays in acquiring the echocardiograms and measuring the time taken to perform the operation.

Results: Period 1 – Selective Echo: Mean time to echo 5 days, mean time to theatre 7 days. Period 2 – Unselective Echo: Mean time to echo 1 day, mean time to theatre 2 days.

Conclusion: As a result of the unselective policy to perform echo cardiograms on all patients admitted with a fractured neck hip, the delay to perform surgery has been reduced significantly.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 62 - 62
1 Mar 2009
GORVA AD METCALFE J FLOWERS M FERNANDES J JONES S
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Introduction: Ankle fractures accounts for 25% to 38% of all physeal fractures. An accurate diagnosis is the key to the appropriate management of these fractures. Traditionally the management decisions have been based on x-ray findings. We have used computed tomograpy (CT) scans in additon to x-rays in the management of these fractures.

Objective: To determine the usefulness of computed tomograpy (CT) scans in the management of ankle fractures in children.

Materials and Methods: Between 2001 to 2005, 53 patients with ankle fractures who were managed in our unit had CT scans in addition to plain radiographs. The mean age was 12.3 years (+/− 2.1). The radiographs were reviewed by senior paediatric orthopaedic surgeon who classified the fractures and formulated treatment plans (operative/non-operative). The CT scans were then reviewed by the respective surgeon and a similar exercise undertaken. A Radiologist confirmed that the fractures were classified accurately.

Results: In 47% (25 fractures) the x-ray diagnosis/classification tallied with the CT scans whilst in 53% (28 fractures) the CT scans showed the fractures were more extensive/serious than noticed on the x-rays. The management was changed in 34% after reviewing the CT scans, In 9 from operative to non-operative treatment and in the other 9 from non-operative to operative treatment.

Conclusion: We have found CT scans to be more useful than plain radiographs in making an accurate diagnosis of ankle fractures in children and thus planning appropriate management.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 389 - 389
1 Jul 2008
Gorva A Metcalfe J Rajan R Jones S Fernandes J
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Introduction: Prophylactic pinning of an asymptomatic hip in SCFE is controversial. Bone age has been used as evidence of future contralateral slip risk and used as an indication for such intervention. The efficacy of bone age assessment at predicting contralateral slip was tested in this study.

Patients and Methods: 18 Caucasian children prospectively had bone age assessment using wrist and hand x-rays when presenting with a unilateral SCFE. Patients and parents were informed about the chance of con-tralateral slip and risks of prophylactic fixation, and advised to attend hospital immediately on development of symptoms in contralateral hip. After in-situ fixation of the affected side prospective monitoring in outpatient department was performed. Surgical intervention was undertaken if the contralateral hip was symptomatic.

Results: Three children (2 boys) went on to develop to a contralateral slip at a mean of 20 months from initial presentation. 6 children (5 boys) were deemed at risk of contralateral slip due to a bone age below 12.5 years for boys and 10.5 for girls. Only one from this group developed a contralateral slip. The relative risk of proceeding to contralateral slip when the bone age is below the designated values was 1 (95% confidence interval of 0.1118 to 8.95). The sensitivity and specificity were 33% and 66% respectively. With positive predictive value of 15% and diagnostic efficiency of 61%.

Conclusion: Delayed bone age by itself is not a good predictor of future contralateral slip at initial presentation. Routine prophylactic pinning is not justified based on bone age alone, with the risks of surgical fixation it carries. Prospective long term longitudinal study is required.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 336 - 336
1 Jul 2008
Gorva A Metcalfe J Rajan R Jones S Fernandes J
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Introduction: Prophylactic pinning of an asymptomatic hip in SCFE is controversial. Bone age has been used as evidence of future contralateral slip risk and used as an indication for such intervention. The efficacy of bone age assessment at predicting contralateral slip was tested in this study.

Patients and Methods: 18 Caucasian children prospectively had bone age assessment using wrist and hand x-rays when presenting with a unilateral SCFE. Patients and parents were informed about the chance of con-tralateral slip and risks of prophylactic fixation, and advised to attend hospital immediately on development of symptoms in contralateral hip. After in-situ fixation of the affected side prospective monitoring in outpatient department was performed. Surgical intervention was undertaken if the contralateral hip was symptomatic.

Results: Three children (2 boys) went on to develop to a contralateral slip at a mean of 20 months from initial presentation. 6 children (5 boys) were deemed at risk of contralateral slip due to a bone age below 12.5 years for boys and 10.5 for girls. Only one from this group developed a contralateral slip. The relative risk of proceeding to contralateral slip when the bone age is below the designated values was 1 (95% confidence interval of 0.1118 to 8.95). The sensitivity and specificity were 33% and 66% respectively. With positive predictive value of 15% and diagnostic efficiency of 61%.

Conclusion: Delayed bone age by itself is not a good predictor of future contralateral slip at initial presentation. Routine prophylactic pinning is not justified based on bone age alone, with the risks of surgical fixation it carries. Prospective long term longitudinal study is required.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_III | Pages 436 - 436
1 Oct 2006
Rajan RA Metcalfe J Konstantoulakis C Jones S Sprigg A
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Introduction: The assessment of bone age using the standard Gruel and Pyle chart based on hand and wrist radiographs is usually carried out by Senior Radiologists. We performed a study to look at both intra and inter observer variability with different grades of clinicians.

Materials and Methods: 30 sets of wrist radiographs were selected at random. The investigators included a Senior Radiographer, a Consultant and Registrar Radiologist an Orthopaedic Consultant and Senior Orthopaedic Fellow.

Discussion: The Radiology team appear to be more consistent in their readings for the assessment of skeletal bone age than the Orthopaedic team. Howevr, it is interesting to note that although the Orthopaedic team are less consistent, when looking at the inter-observer variability, it suggests that both teams are equally well equipped to perform the task.

Conclusion: Our study suggests that we should not cross professional boundaries. Render unto Caeser what is Ceaser’s!


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_III | Pages 434 - 435
1 Oct 2006
Gorva AD Metcalfe J Rajan R Jones S Fernandes JA
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Introduction: Prophylactic pinning of an asymptomatic hip in SCFE is controversial. Bone age has been used as evidence of future contralateral slip risk and used as an indication for such intervention. The efficacy of bone age assessment at predicting contralateral slip was tested in this study.

Patients and Methods: 18 Caucasian children prospectively had bone age assessment using wrist and hand x-rays when presenting with a unilateral SCFE. Patients and parents were informed about the chance of contralateral slip and risks of prophylactic fixation, and advised to attend hospital immediately on development of symptoms in contralateral hip. After in-situ fixation of the affected side prospective monitoring in outpatient department was performed. Surgical intervention was undertaken if the contralateral hip was symptomatic.

Results: Three children (2 boys) went on to develop to a contralateral slip at a mean of 20 months from initial presentation. 6 children (5 boys) were deemed at risk of contralateral slip due to a bone age below 12.5 years for boys and 10.5 for girls. Only one from this group developed a contralateral slip. The relative risk of proceeding to contralateral slip when the bone age is below the designated values was 1 (95% confidence interval of 0.1118 to 8.95).

Conclusion: Delayed bone age by itself is not a good predictor of future contralateral slip at initial presentation. Routine prophylactic pinning is not justified based on bone age alone, with the risks of surgical fixation it carries. Prospective long term longitudinal study is required.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_I | Pages 56 - 56
1 Mar 2006
Metcalfe J Banaszkiewicz P Kapur B Richardson J Jones CW
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Introduction. Leg length inequality post total hip arthroplasty is a source of patient dissatisfaction. In adult DDH femoral length equality is assumed. Empirically, a longer femur has been observed on the affected side in the presence of unilateral DDH; restoration of the hip centre in this situation may lengthen the affected leg.

Aim. Assessment of femoral length variation in adults with unilateral and bilateral DDH.

Method. Retrospective observation study of 17 adults with unilateral and 7 adults with bilateral DDH. Femoral lengths assessed using CT measurements.

Results. Unilateral DDH. The ipsilateral femur was longer in 11 patients (63%) The degree of femoral lengthening was between 5 and 10 mm. Bilateral DDH. The femur with the greater degree of DDH was longer by a mean of 7.5 19.3 mm .

Conclusion. In the presence of DDH, asymmetry of femoral lengths is common and unpredictable. Careful femoral length assessment ( with CT leg lengths) is advised preoperatively in patients with DDH. This will alert the surgeon and patient to the possible risk of post operative ipsilateral leg lengthening.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_I | Pages 51 - 51
1 Mar 2005
Vhadra R Smith G Metcalfe J Richardson J
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We present the early results of a bone conserving implant, the Thrust Plate Prosthesis (TPP) used for the revision of failed resurfacings of the hip in nine patients.

Four revisions were for fractured neck of femurs. The original implant in this fracture group was a McMinn resurfacing. The original acetabular component was retained. Five revisions were due to aseptic loosening. Four of the original implants in this group were Beuchal Pappas (BP) resurfacings and one was a Cormet2000 resurfacing.

In the fracture group the average age was 46yrs (34–70). The time from primary to revision surgery was 5.8 months (3–11). The Harris hip scores improved in all patients to their pre fracture level of 90 (83–99).

In the aseptic loosening group the average age was 62yrs (53–67). The time from primary to revision surgery was 121 months for the BP resurfacings and 19 months for the Cormet. The Harris hip scores also improved in this group to an average of 73.8 (50–100).

Hip resurfacing presents an attractive option for the younger patient. It is a bone conserving procedure with the added benefit of increased stability by using a large diameter head. Fracture of the femoral neck is a specific early complication. The usual treatment of this complication has been revision to a more traditional design, loosing the benefits of bone conservation.

The TPP is a bone preserving implant that has metaphyseal fixation of the proximal femur. It has satisfactory long term results (Huggler, 1993). The use of the TPP for revision of failed resurfacings has proved to be straight forward. Our early results are promising in the fracture group, but revision for aseptic loosening did not correlate with a high hip score. It remains to be proven that revision of a bone conserving hip replacement will maintain a high quality function. For the younger patient with a failed resurfacing, revision with a TPP can offer continued bone conservation.


Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_I | Pages 74 - 74
1 Jan 2004
Hart W Rees RJ Metcalfe J Spencer-Jones R
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Introduction: There are approximately 50000 hip and knee arthroplasties performed in the UK every year. With this increasing number the prevalence of periprosthetic fractures is also rising. These are often challenging problems with increased morbidity and mortality. The use of cortical strut allografts in periprosthetic fractures was first reported in the early 90’s with favourable results.The aim of this study was to assess the radiological outcome of cortical strut allografts used as the treatment for periprosthetic fractures of the femur in patients presenting to our institution.

Patients & Methods: 17 patients with who had received strut allografts as part of their treatment for a periprosthetic fracture of the femur were identified. 13 fractures were around a total hip replacement and 4 around other femoral implants (2 long stemmed TKR’s and 2 fracture fixation devices).

We undertook a radiological evaluation of this technique. We assessed fracture union and strut allograft incorporation using the radiological criteria of Emerson et al. The procedure was deemed a success if the fracture had united, with evidence of graft incorporation with a stable implant. We also undertook a notes review identifying any risk factors and any previous surgery.

Results: Two patients died in the early post-operative period. 15 patients were available for analysis. The average length of radiographic review was 16 months. 11/15 procedures (73%) were deemed a success. All these showed evidence of graft incorporation which was time dependent. There were four failures. In one patient the struts fractured at two months. There were three cases of deep sepsis, this required amputation in one and excision arthroplasty in two.

Conclusion: Cortical strut allografts are a good technique for the management of periprosthetic fractures of the femur. As well as providing initial support they also become incorporated which improves the host bone stock.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 160 - 161
1 Feb 2003
Metcalfe J Davie M Hay S
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To investigate whether children with fractures have a low bone mineral density, 109 children (46 female and 63 male) aged 10.5 ± 2.9 years (range 5–16) sustaining either a single fracture (n=60 patients) or multiple fractures (n=49 patients) had Bone Mineral Density measurements [BMD] (Hologic QDR4500A) of L2 to L4. The Z score {(Patient’s BMD – mean aged related BMD)/ standard deviation of that age group)} was calculated using two previously published data from Shropshire children and American children. A z score of zero indicates that the patients’ BMD is exactly on the mean. The proportion above and below zero and was compared using the binomial theorem. Comparison of frequencies between the groups was undertaken using the Chi 2 test.

In a scatter plot of z score against age, low z scores were frequent in girls under 8yrs using both reference data. In this group BMD z score was more likely to be below zero (p< 0.05). A low z score was more frequent in boys less than 8 years using American reference data but not Shropshire data. Girls and boys above 8 years did not show any evidence of low BMD. There was no difference in the frequency of low BMD in patients with multiple compared with single fracture.

Girls and possibly boys below 8 years who have sustained a fracture show evidence of low BMD. Boys at any age and girls over 8 years did not show any evidence of having low bone density. Further work is needed to establish whether this risk continues into later life. Multiple fractures do not appear to confer additional risk of low bone density.