Aims. Medial humeral epicondyle fractures (MHEFs) are common elbow fractures in children. Open reduction should be performed in patients with MHEF who have entrapped intra-articular fragments as well as displacement. However, following open reduction, transposition of the ulnar nerve is disputed. The aim of this study is to evaluate the need for ulnar nerve exploration and transposition. Methods. This was a retrospective cohort study. The clinical data of patients who underwent surgical treatment of MHEF in our hospital from January 2015 to January 2022 were collected. The patients were allocated to either transposition or non-transposition groups. Data for sex, age, cause of fracture, duration of follow-up, Papavasiliou and Crawford classification, injury-to-surgery time, preoperative ulnar nerve symptoms, intraoperative exploration of ulnar nerve injury, surgical incision length, intraoperative blood loss, postoperative ulnar nerve symptoms, complications, persistent ulnar neuropathy, and elbow joint function were analyzed. Binary logistic regression analysis was used for statistical analysis. Results. A total of 124 patients were followed up, 50 in the ulnar nerve transposition group and 74 in the non-transposition group. There were significant differences in ulnar nerve injury (p = 0.009), incision length (p < 0.001), and blood loss (p = 0.003) between the two groups. Binary logistic regression analysis revealed that preoperative ulnar nerve symptoms (p = 0.012) were risk factors for postoperative ulnar nerve symptoms. In addition, ulnar nerve transposition did not affect the occurrence of postoperative ulnar nerve symptoms (p = 0.468). Conclusion. Ulnar nerve transposition did not improve clinical outcomes. It is recommended that the ulnar nerve should not be transposed when treating MHEF operatively. Cite this article: Bone Joint J 2024;106-B(2):212–218

We evaluated the morphological changes to the ulnar nerve of both elbows in the cubital tunnel by sonography in a total of 237 children, of whom 117 were aged between six and seven years, 66 between eight and nine years, and 54 between ten and 11 years. We first scanned longitudinally in the extended elbow and then transversely at the medial epicondyle with the elbow extended to 0°. We repeated the scans with the elbow flexed at 45°, 90°, and 120°. There were no significant differences in the area of the ulnar nerve, but the diameter increased as the elbow moved from extension to flexion in all groups. More importantly, the ulnar nerve was subluxated anteriorly on to the medial epicondyle by 1.5% to 1.9% in extended elbows, by 5.9% to 7.9% in those flexed to 45°, by 40.0% to 44% in those flexed to 90°, and by 57.4% to 58.1% in those flexed to 120°, depending on the age group. Sonography clearly and accurately showed the ulnar nerve and was useful for localising the nerve before placing a medial pin. Because the ulnar nerve may translate anteriorly onto the medial epicondyle when the elbow is flexed to 90° or more, it should never be overlooked during percutaneous medial pinning

Deformity of the forearm due to growth disturbance of the ulna occurs in a number of conditions such as ulnar deficiency, multiple exostoses, and neurofibromatosis. We report a previously unrecognised form, caused by focal cortical indentation. We have treated five children with this condition, three girls and two boys; the mean age at presentation was 5 years (2 to 8). The deformity was first recognised about the age of two years, and progressed gradually. The radiological findings were the same in all cases. The focal cortical indentation was seen at the distal end of the ulna with anteromedial bowing and dysplasia. The radial head was dislocated posterolaterally. In one patient the histological findings at the site of indentation were of a fold of tissue resembling periosteum, which interfered with enchondral ossification. Treatment by ulnar lengthening using an external fixator and osteotomy which corrected both the ulnar deformity and reduced the dislocated radial head in two cases gave the best results

To evaluate effectiveness and safety of acute ulnar lengthening osteotomy in Madelung's deformity associated with Hereditary Multiple Exostoses (HME). Seventeen ulnas in 13 patients had acute ulnar lengthening for HME associated forearm deformity. Defined radiographic parameters were compared pre- and post-operatively using student's t-test; ulnar variance, carpal slip, radial bowing, radial articular angle. All complications were noted. Mean follow-up was 27 months (range 1.5 – 72months). An increase in ulna length by a mean of 15.4mm (range 4.5 – 29.3mm) was achieved acutely, corresponding to an increase of 9.3% of total ulnar length. Negative ulnar variance was improved from a pre-operative mean of 12.4mm (range 6.1–16.5mm) to a post-operative mean of 4.6mm (range 0–11.25mm) (p=<0.00001). Carpal slip was significantly improved by a mean of 2.2mm (p=0.02). No significant change in radial bowing (p=0.98) or radial articular angle (p=0.74) was observed. Inter-rater reliability was excellent (r=0.96, Pearson Correlation). Three patients required second procedures for recurrence of deformity at 18 months – 6 years following their primary operation. There were no incidences of compartment syndrome, neurovascular injury nor infection. One ulna fractured intra-operatively requiring a longer plate. One patient had a non union which united on revision surgery. Significant radiographic improvements in forearm and wrist alignment were seen with acute ulnar lengthening. The procedure is safe, with no compartment syndrome nor neurovascular injury and low complications rate. Recurrence rates in the skeletally immature patients are comparable to that reported with gradual lengthening. Acute ulnar lengthening for forearm deformity associated with HME has been demonstrated to be a safe, reproducible and effective surgical procedure

Aims. To investigate the risk factors for unsuccessful radial head reduction (RHR) in children with chronic Monteggia fractures (CMFs) treated surgically. Methods. A total of 209 children (mean age 6.84 years (SD 2.87)), who underwent surgical treatment for CMFs between March 2015 and March 2023 at six institutions, were retrospectively reviewed. Assessed risk factors included age, sex, laterality, dislocation direction and distance, preoperative proximal radial metaphysis width, time from injury to surgery, reduction method, annular ligament reconstruction, radiocapitellar joint fixation, ulnar osteotomy, site of ulnar osteotomy, preoperative and postoperative ulnar angulation, ulnar fixation method, progressive ulnar distraction, and postoperative cast immobilization. Independent-samples t-test, chi-squared test, and logistic regression analysis were used to identify the risk factors associated with unsuccessful RHR. Results. Redislocation occurred during surgery in 48 patients (23%), and during follow-up in 44 (21.1%). The mean follow-up of patients with successful RHR was 13.25 months (6 to 78). According to the univariable analysis, time from injury to surgery (p = 0.002) and preoperative dislocation distance (p = 0.042) were identified as potential risk factors for unsuccessful RHR. However, only time from injury to surgery (p = 0.007) was confirmed as a risk factor by logistic regression analysis. Receiver operating characteristic curve analysis and chi-squared test confirmed that a time from injury to surgery greater than 1.75 months increased the rate of unsuccessful RHR above the cutoff (p = 0.002). Conclusion. Time from injury to surgery is the primary independent risk factor for unsuccessful RHR in surgically treated children with CMFs, particularly in those with a time from injury to surgery of more than 1.75 months. No other factors were found to influence the incidence of unsuccessful RHR. Surgical reduction of paediatric CMFs should be performed within the first two months of injury whenever possible. Cite this article: Bone Jt Open 2024;5(7):581–591

We have evaluated the clinical outcomes of simple excision, ulnar lengthening and the Sauvé-Kapandji procedure in the treatment of deformities of the forearm in patients with multiple hereditary osteochondromas. The medical records of 29 patients (33 forearms) were reviewed; 22 patients (22 forearms) underwent simple excision (four with ulnar lengthening) and seven the Sauvé-Kapandji procedure. Simple excision increased the mean supination of the forearm from 63.2° to 75.0° (p = 0.049). Ulnar lengthening did not significantly affect the clinical outcome. The Sauvé-Kapandji technique improved the mean pronation from 33.6° to 55.0° (p = 0.047) and supination from 70.0° to 81.4° (p = 0.045). Simple excision may improve the range of movement of the forearm but will not halt the progression of disease, particularly in younger patients. No discernable clinical or radiological improvement was noted with ulnar lengthening. The Sauvé-Kapandji procedure combined with simple excision of osteochondromas can improve stability of the wrist, movement of the forearm and the radiological appearance

Aims. We report the use of the distal radius and ulna (DRU) classification for the prediction of peak growth (PG) and growth cessation (GC) in 777 patients with idiopathic scoliosis. We compare this classification with other commonly used parameters of maturity. Patients and Methods. The following data were extracted from the patients’ records and radiographs: chronological age, body height (BH), arm span (AS), date of menarche, Risser sign, DRU grade and status of the phalangeal and metacarpal physes. The mean rates of growth were recorded according to each parameter of maturity. PG was defined as the summit of the curve and GC as the plateau in deceleration of growth. The rates of growth at PG and GC were used for analysis using receiver operating characteristic (ROC) curves to determine the strength and cutoff values of the parameters of growth. Results. The most specific grades for PG using the DRU classification were radial grade 6 and ulnar grade 5, and for GC were radial grade 9 and ulnar grade 7. The DRU classification spanned both PG and GC, enabling better prediction of these clinically relevant stages than other methods. The rate of PG (≥ 0.7 cm/month) and GC (≤ 0.15 cm/month) was the same for girls and boys, in BH and AS measurements. Conclusion. This is the first study to note that the DRU classification can predict both PG and GC, providing evidence that it may aid the management of patients with idiopathic scoliosis. Cite this article: Bone Joint J 2016;98-B:1689–96

Aims

Multiple secondary surgical procedures of the shoulder, such as soft-tissue releases, tendon transfers, and osteotomies, are described in brachial plexus birth palsy (BPBP) patients. The long-term functional outcomes of these procedures described in the literature are inconclusive. We aimed to analyze the literature looking for a consensus on treatment options.

Aim. To review the natural history of upper limb osteochondromas and assess their functional effect. Materials. We performed a retrospective casenote review of a consecutive patient cohort presenting between 1997–2012 with upper limb osteochondromas. Indications for surgical intervention were noted and considered to be cosmetic, functional (including pain relief) and ‘prophylactic’ in terms of deformity prevention. All patients were invited to complete questionnaires for the PODCI, DASH, OSS and MHS scores. Results. We identified 102 patients (62 male: 40 female; mean age = 13.3 years; range 3–31 years). 84 patients had multiple exostoses whilst 18 had a solitary lesion. 52 patients had shoulder girdle involvement (scapula, clavicle and proximal humerus), 51 forearm (Masada I (n=31) Masada II (n=9) Masada III (n=11)), and 38 hand involvement. 46/102 patients had concurrent lower limb lesions. 56 operative procedures were performed primarily for functional benefit. Shoulder girdle procedures (n=21) improved pressure related pain, scapular pseudowinging/dyskinesia and cuff impingement. Forearm procedures (n=35) were performed for functional and prophylactic reasons and involved excision with ulnar lengthening and radial deformity correction (n=15, Masada I), realignment osteotomy or radial head excision for subluxation (n=7, Masada II) and excision with internal fixation of concomitant osteotomy (n=13, Masada I/III). No hand surgery was performed. Radial head dislocations are associated with large ulnar lesions causing shortening > 0.15 total ulnar length. Osteochondromas of the upper limb are generally well tolerated: functional effects were most commonly present in lesions involving the forearm but significant patient benefit was noted following shoulder girdle procedures. The scoring systems used failed to discriminate well between the various procedures used and the perceived benefit. Conclusion:. Patient outcomes are related to surgical indications. Currently available PROMs are either inappropriate Qs (DASH) and/or non-validated (OSS, MHS) and/or non-specific (PODCI*) only 8 parameters for the upper extremity. Better-validated measures may be required. Level of evidence: IV

Aims

Given the possible radiation damage and inaccuracy of radiological investigations, particularly in children, ultrasound and superb microvascular imaging (SMI) may offer alternative methods of evaluating new bone formation when limb lengthening is undertaken in paediatric patients. The aim of this study was to assess the use of ultrasound combined with SMI in monitoring new bone formation during limb lengthening in children.

Aims. We present the clinical and radiographic outcome of 81 children with Gartland type I to III supracondylar humeral fractures at a minimum follow-up of ten years (mean 12.1 years; 10.3 to 16.1) following injury. Patients and Methods. The clinical and functional outcomes are compared with normal age- and gender-matched individuals. The population-based study setting was first identified from the institutional registries; the rate of participation was 76%. Controls were randomly selected from Finnish National Population Registry. Results. According to Flynn's criteria, most fractures (75.3%) resulted in a satisfactory (“good or excellent”) outcome. Satisfactory recovery was achieved in 75.0% of type I fractures treated by closed splinting (p = 0.013). Type II fractures were associated with both satisfactory (57.7%) and unsatisfactory (42.3%) results, regardless of the type of treatment, although the numbers were small in the sub groups. Most type III fractures were treated operatively, and most (76%) had a satisfactory outcome according to Flynn’s criteria (p = 0.015). Compared with none among the normal subjects, flexion of the elbow was reduced by >  10° at long-term follow-up in 20 cases (24.7%, p < 0.001) and 9 (11.1%) had a reduced flexion of > 15° (p = 0.004). In patients who had sustained a type III fracture, the carrying angle was decreased by 35.7% (from 9.8° to 6.3°; p = 0.048). All patients achieved an excellent Mayo Elbow Performance Score (mean 96.4 points). Conclusion. The long-term outcome of extension-type supracondylar humeral fractures is generally good, but not exclusively benign, with the potential for long-term pain and ulnar nerve sensitivity, and a decrease in grip strength and range of movement in type II and type III fractures. Bony remodelling cannot be relied upon to correct any residual deformity. In particular, type II fractures have impaired long-term recovery and justify individual consideration in their treatment. Cite this article: Bone Joint J 2016;98-B:1410–17

Aim. Differing reports about the surgical management of the supracondylar humeral fracture make evidence-based practice very difficult, so knowledge of the contemporary practices and opinions of an expert body can provide a useful benchmark for appraisal; the aim of this study was to obtain this information. Methods. An electronic 18 item, single response multiple-choice questionnaire was designed to investigate various aspects of the surgical management of supracondylar fractures, with particular focus on areas that remain controversial in the literature. Members of BSCOS were invited by email, on three occasions, to complete the questionnaire, which was posted on the web-based SurveyMonkey™ platform (. www.surveymonkey.com. , California, USA). The survey was available for completion for a period of 10 weeks. Results. 102 responses were received (response rate 56.7%); all respondents completed the entire questionnaire. There was almost complete agreement (>90%) in only three areas: -The preferred management of Gartland 3 fractures; The management of the fracture with an absent radial pulse and impaired digital perfusion; An ulnar nerve palsy detected four weeks post-operatively. Majority agreement (>60%) was found regarding: - Possible consequences of delay in performing closed reduction; Management of the pink, perfused hand with an absent radial pulse; Necessity of anatomical reduction. There was no consensus regarding: - K-wiring of Gartland 2 fractures; Management of ulnar nerve palsy detected one week post-operatively; Open insertion of the medial K-wire. Conclusion. Reflecting current trends and attitudes, this survey provides information against which an individual surgeon can appraise their own practice. Strong consensus existed in areas in which clear evidence is available to inform practice. This highlights the importance of good-quality research, and identifies areas requiring further investigation

We present the results of 90 consecutive children with displaced fractures of the forearm treated by elastic stable intramedullary nailing with a mean follow-up of 6.6 months (2.0 to 17.6). Eight (9%) had open fractures and 77 (86%) had sustained a fracture of both bones. The operations were performed by orthopaedic trainees in 78 patients (86%). All fractures healed at a mean of 2.9 months (1.1 to 8.7). There was one case of delayed union of an ulnar fracture. An excellent or good functional outcome was achieved in 76 patients (84%). There was no statistical difference detected when the grade of operating surgeon, age of the patient and the diaphyseal level of the fracture were correlated with the outcome. A limited open reduction was required in 40 fractures (44%). Complications included seven cases of problematic wounds, two transient palsies of the superficial radial nerve and one case each of malunion and a post-operative compartment syndrome. At final follow-up, all children were pain-free and without limitation of sport and play activities. Our findings indicate that the functional outcome following paediatric fractures of the forearm treated by elastic stable intramedullary nailing is good, without the need for anatomical restoration of the radial bow

Purposes of study. Evaluation of the pre-operative documentation of neurovascular status in children presenting with Gartland Grades 2 and 3 supracondylar fractures and the development of an Emergency Department Proforma. Methods and results. A retrospective case-note review was performed on patients with Gartland Grade 2 and 3 supracondylar fractures observed in a two-year period from July 2008 – July 2010. 137 patients were included; sixteen patients (11.7%) sustained a Gartland Grade 2a fracture, sixty patients (43.8%) a Gartland Grade 2b fracture and sixty-one (44.5%) a Gartland Grade 3 fracture. Mean patient age at presentation was 5.59 years (range 12 months to 13 years). Nineteen patients (13.9%) had evidence of neurological deficit at presentation and thirteen patients (9.5%) presented with an absent radial pulse. Only twelve patients (8.8%) and nineteen patients (13.9%) respectively had a complete pre-operative neurological or vascular assessment documented. Regarding the individual nerves, fifty-nine (43.1%) patients had median nerve integrity documented, fifty-five (40.1%) ulnar nerve and forty-nine (35.8%) radial nerve integrity documented. Only eighteen patients (13.1%) had their anterior interosseous nerve function documented. Ten patients (7.3%) had post-operative neurological dysfunction, consisting of eight ulnar nerve injuries, and two radial nerve injuries. vi) Conclusions. Pre-operative documentation of neurovascular status in children with displaced supracondylar fractures was poor. Documentation of anterior interosseous nerve examination was particularly poor. We propose the introduction of a proforma (Liverpool Upper-limb Fracture Assessment – LUFA) to increase documentation of neurovascular assessment and optimise emergency department evaluation of children presenting with upper limb injuries

In children cubitus varus is common after malunion of a supracondylar fracture of the humerus. Later problems such as tardy ulnar nerve palsy, snapping of the lateral triceps tendon or ulnar nerve and posterolateral rotatory instability are well documented. We present a case of anteromedial dislocation of the entire triceps tendon with loss of extensor power and describe the method of treatment

This study retrospectively reviews all forearm lengthenings carried out by the author in order to assess results and complications and determine the efficacy of this treatment in children with various pathologies. The records of all patients who had undergone a forearm lengthening between 1995 and 2009 were reviewed. 23 forearm lengthenings in 20 patients were identified but in one case there was insufficient information for the study. The study is therefore based on 22 lengthenings. The patients were divided into two groups, Group A in whom the purpose of treatment was to restore the length relationship between the radius and ulna and Group B in whom the purpose was to gain forearm length. In Group A patients the aim was to protect the radial head against dislocation by lengthening the ulna (with if necessary a corrective radial osteotomy) or to protect the wrist from subluxation by a radial lengthening. In Group B patients the aim was to improve function and cosmesis. The average age of the patients at time of surgery was 9.78 years, average follow up was 26 months post frame removal. There were 11 patients in Group A with an average radio ulnar discrepancy of 2.34 cms and 11 patients in Group B. In Group A patients the average length achieved was 2.69 cms i.e. overcorrection and in Group B the average lengthening was 3.84 cms. In Group A patients lengthening was only partially successful at preventing subluxation or dislocation of the radial head. Common complications were pin site infection and poor regenerate formation. Forearm lengthening by distraction osteogenesis is a worthwhile procedure in paediatric patients with improved cosmesis and function particularly in Group B patients

Background. CRUS is difficult to treat. Many techniques have been tried in an effort to restore forearm rotation; however, they have not been successful. It is inadvisable by many authors to perform any operation with the hope of obtaining pronation and supination. Patients and Methods. Eleven children; 3 - 8 years old with CRUS, Wilkie type I, with fixed full pronation deformity were managed by the new ALLAM'S OPERATION which is a one stage intervention including separation of the bony fusion, special cementation technique of the ulnar (or radial) side of the osteotomy, double osteotomy of the radius and a single osteotomy of the ulna (all of the 3 osteotomies were done percutaneously) with intramedullary K. wire fixation of osteotomies at the mid-prone position and above elbow cast application for 6 weeks. Results. Excellent significant functional range of forearm rotation was obtained with no significant complications after a follow-up period of 3 – 4 y. (average: 3.2 m). Summary. The new ALLAM'S OPERATION is a one stage intervention for CRUS, (Wilkie type I, with fixed full pronation deformity) with significant obtained active functional range of forearm rotation with no significant complications after an average follow-up period of more than 3 years

A total of 33 children were treated for acute traumatic dislocation of the elbow between 1994 and 2002; 30 dislocations were posterior and three anterior. Eight children had a pure dislocation and 25 had an associated fracture of the elbow. Two had compound injuries. Two children had injury to the ulnar nerve, one to the radial nerve and one to the median nerve together with injury to the brachial artery. Twenty required open reduction. Complications included pseudarthrosis of the medial epicondyle in one child and loss of flexion and rotation of between 10° and 30° in ten others. Meticulous clinical and radiological assessment is mandatory in children with dislocation of the elbow to exclude associated injuries. The results were excellent to good in 22 patients, fair in ten and poor in one

Two consecutive cases of chronic dislocation of the head of the radius after missed Bado type-I Monteggia lesions are presented. Reduction was successfully achieved in both patients after ulnar corticotomy, gradual lengthening and angulation of the ulna using an external fixator. Open reduction or reconstruction of the radio-ulnar capitellar joint was not undertaken. The age at injury was seven years in the older and two years in the younger patient. The time from injury to treatment was five years in the older and three months in the younger child. At follow-up, nine years after completion of treatment in the older and eight months in the younger patient, both show satisfactory movement, function of the forearm and reduction of the head of the radius. This technique may be considered in missed Monteggia lesions before open procedures on the radio-ulnar capitellar joint are undertaken

We reviewed 36 consecutive patients with Monteggia fracture-dislocations of the forearm; 28 had been treated within 24 hours and 8 had been referred a week or more after the initial injury with persisting or recurrent dislocation of the proximal radio-ulnar joint after treatment elsewhere. We treated 15 of the 16 complete fractures and 3 of the 11 incomplete fractures of the ulna by operative fixation. All the early fractures and six of the eight late referrals had good or excellent results. The two poor results were in patients with malalignment and dislocation of the radial head persisting for at least two weeks before definitive treatment. A good outcome after a Monteggia injury in a child requires early diagnosis and prompt, stable, anatomical reduction of the ulnar fracture. In our experience, selective operative fixation of unstable fractures provides reliable reduction and causes few complications