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Conclusions No significant differences were observed between back wall technique and the untied stay suture method. However, the conventional method was more likely to lead to suture error or impaired blood flow compared with back wall technique and the untied stay suture method.Background To review the cases of dangling-type thumb polydactyly treated with suture ligation vs surgical excision. Methods Cases of dangling-type thumb polydactyly treated in 2 different hospitals from 1994 to 2014 were recruited. Group 1 includes cases treated with suture ligation in hospital 1; Group 2 includes cases treated with surgical excision in hospital 2. The demographics data, early clinical outcomes and early complications were retrieved from clinical notes. All cases were contacted for a final assessment. Results There were 23 cases recruited in group 1 and 26 cases recruited in group 2. The mean age at the time of procedure was 15.9 days (group 1) vs. 14 months (group 2). The infection rate was comparable in both groups (4.35% vs. 3.85%). 12 cases in group 1 and 14 cases in group 2 completed a final assessment. Residual tissue is common in group 1 (58.5%) and 4 cases (33.3%) required revision surgery. No case in group 2 had residual tissue and none require revision surgery. There was no painful neuroma in both groups and all patients achieved normal thumb and hand functions. The parental satisfaction score was 7.8 (group 1) and 8.8 (group 2) with no statistical difference (p = 0.061). Conclusions Suture ligation and surgical excision are safe and effective treatment options for dangling-type thumb polydactyly. Both methods received comparable parental satisfaction. However, residual tissue is common after suture ligation while this problem is not observed after surgical excision.Background Since the Sauvé-Kapandji procedure was introduced in 1936, many modifications were created using dynamic stabilizer, such as the ECU (extensor carpi ulnaris), the FCU (flexor carpi ulnaris), pronator teres to solve proximal ulnar stump pain. We believe that this modification is also another option for distal ulnar stump instability. Methods From January 1998 to February 2017, there were 13 patients received the Sauvé-Kapandji (S-K) procedure with tenodesis of the ECU to the carpus and interosseous membrane. The average age at operation was 52 years (range, 28 to 63 years). Four had traumatic arthritis (two from distal radial fracture malunion, two had instability of distal radioulnar joint from Essex-Lopresti injury), four had primary osteoarthritis of the distal radio-ulnar joint, two had rheumatoid arthritis, one had gouty arthritis, two had madelung deformity. The average follow-up was 30 months (range, 15 to 72 months). Results Postoperative pronation/supination of the forearm had significantly improved with the exception of the wrist flexion/extension. After surgery, the mean radioulnar distance was narrowed from 11 mm to 9 mm, but no significant difference in 12 patients. All patients had improved in wrist pain, 10 patients had no pain and 3 patients with mild pain over the distal ulnar stump. The mean grip strength had significantly improved from 51% of the contralateral side to 75%. The lateral and stress X-ray films showed no instability of the distal ulnar stump after surgery. click here Conclusions In conclusion, the modified S-K procedure using the tenodesis of ECU provides a multi-directional stability and is a reliable surgical procedure for distal radioulnar disorders.Background Both arterial and venous repair are crucial for optimal results in digital replantation. However, anastomosis of veins becomes challenging in very distal fingertip amputation. This study aimed to report the clinical results of an artery-only replantation without vein repair for a distal fingertip amputation and to analyze the survival rate and clinical outcomes based on the amputation level. Methods We performed a retrospective review of 47 digits in 38 patients who had undergone fingertip replantation with a mean follow-up period of 12 months. All patients had complete fingertip amputation distal to the lunula. Only one central artery repair distal to the arch was performed. All patients received the postoperative protocol including external bleeding and anticoagulation therapy. Results By Ishilawa's classification, 12 digits in subzone I, and 35 digits in subzone II. 31 of the 47 fingertip replantations (66%) were successful, and a significantly higher survival rate was observed in subzone I than in subzone II. The mean total active motion of surviving digits was 86% of normal side. The mean grip strength was 82% of normal side. The sensory recovery according to modified Highet and Saunders' classification was S4, S3+, S3, and S2 in fingers 19, 2, 5 and 3, respectively. Conclusions 66% of survival rate was achieved in fingertip replantation distal to lunula which including large number of crushing/avulsion injury. The result of comparison for the survival rate based on amputation level, a significantly higher survival rate was observed in subzone I compared to subzone II. Therefore, the artery-only fingertip replantation had a better indication for distal amputation, and an aggressive attempt for venous anastomosis or drainage, including a secondary surgery for proximal amputation could be attributed to a higher success rate.Background Scaphoid non-union often leads to a change in biomechanics of the wrist joint. Various types of bone grafts and different sites of harvest have been described in the literature for scaphoid reconstruction. This study was conducted to assess the clinical and radiological outcome after non-vascularised tri-cortical iliac crest bone graft for non-union of scaphoid waist fractures. Methods 12 adult patients who underwent reconstruction of scaphoid waist non-union with tricortical iliac crest grafting and internal fixation with headless compression screws (11 cases) and k-wires (1 case) were prospectively analysed. There were 11 males and 1 female (mean age 23.9 years). The mean duration of presentation was 5.7 months following injury. Outcome following surgery were analyzed clinically by range of movements (ROM) and functional scores like DASH and modified Mayo wrist score and radiologically by X-rays and Non contrast CT of the wrist. Radiological assessment included scaphoid length, radio-lunate (RL) angle and scapho-lunate (SL) angle at latest 6 months follow up. Results Bony union was achieved in 10 cases (union rate 83%). All the cases which achieved union had a significant improvement in radiological and clinical outcome criterias at 6-month follow-up interval. 1 patient had persistent non-union and 1 had k-wire back out with fixation failure. Conclusions It is important to restore scaphoid length and to correct flexion deformity for a successful outcome. This can reliably be acheived by a carefully planned wedge-shaped iliac crest graft along with secure fixation with a headless compression screw.Background The etiology and natural history of Kienböck's disease remain unclear. Traditionally it has been defined as avascular necrosis of the lunate. The authors tried to demonstrate different tissue distribution, the area ratio of necrotic tissue and vessel counts inside the whole Kienböck lunate to reveal a dynamic process of the lunate collapse. Methods Five lunates from patients with stage III Kienböck's disease and one cadaveric lunate not involved by Kienböck's disease were sampled. They were sectioned, H&E stained, and evaluated. The thickness of trabecular bone and the area of necrotic tissue were measured with Image-Pro Plus. The number of vessels was counted manually. Results In the normal lunate, the bone trabeculae showed a uniform distribution with fatty marrow filled the interspace between the trabeculae. In the lunates with Kienböck disease, the trabeculae fracture and necrosis located in the central part with massive fibrous granular tissue proliferation. There were also some chondroid metase instead of avascular necrosis.Most of the lateral dislocations reported in previous literatures occurred to healthy patients by accident. However, our patient had limping gait, flexion contracture of the elbow, and spasticity in an affected arm due to a traumatic brain lesion 20 years ago. He fell down while taking a walk and presented with a lateral elbow dislocation accompanying tingling sense in ulnar nerve territory of his hand. Open reduction was performed. The torn MCL was reattached and the ulnar nerve was released. In postoperative six months, the range of motion was regained and the neurologic symptoms were resolved. This case shows that flexion contracture of elbow joint and a brain lesion causing motor disturbance of upper extremity could be the specific condition causing lateral elbow dislocation. Open reduction including repair of MCL and decompression of ulnar nerve, seems quite reasonable for the treatment of the lateral elbow dislocation.Background Although hand and upper limb malformations are quite frequent, up to now very few reports have been published on epidemiology. The aim of this study is to evaluate the number of infants who presented with hand and upper limb malformations from 2010 to 2015 in Italy. Methods A retrospective analysis of a pediatric population presenting with hand and upper extremity malformations was carried out, gathering reports achieved from eight Italian Centers of pediatric hand surgery. Other factors such as gender, date and region of birth, family distribution of malformations and associated syndromes, were analysed. Results Out of 3,100,421 live births, 765 children presented with hand and upper limb malformations. The incidence was 2,5/10,000 live births with a predominance of males and the right side. Radial polydactyly was the anomaly with the highest percentage, closely followed by simple syndactyly, simbrachidactyly and complex syndactyly. Less common conditions were the triphalangic thumb, thumb in palm, proximal radioulnar synostosis and Sprengel deformity. Inheritance of and familial predisposition to those malformations was recorded in 25 cases, while 84 children presented with syndromes related to hand anomalies. Conclusions In conclusion the incidence of hand and upper extremity malformations in Italy is lower than that registered in other countries. The retrospective nature of the study combined with the fact that some defects frequently evade pediatric hand surgeon consultations are some possible limitations of the study. However, our data confirmed that, in spite of the decrease in the birth rate in Italy, the trend of congenital hand disorders maintained a stable trend. We aim to integrate this study with a prospective analysis and to involve the institutional health authorities in other countries so as to register the correct incidence of hand and upper extremity defects.Background The clinical significance of scaphoid malunion is debated and its effect on wrist kinematics is poorly understood. Alterations to scaphoid morphology in other pathologies result in significant sequelae and arthrosis. By understanding the impact of scaphoid malunion on carpal kinematics, better insight can be garnered to inform models of wrist motion and clinical treatment of this injury. Methods Seven cadaveric upper extremities underwent active wrist flexion and extension in a custom motion wrist simulator with scaphoid kinematics being captured with respect to the distal radius. A three-stage protocol of progressive simulated malunion severity was performed [intact, 10° malunion (Mal 10°), 20° malunion (Mal 20°)] with data analyzed from 45° wrist extension to 45° wrist flexion. Scaphoid malunions were modelled by creating successive volar wedge osteotomies and reducing the resultant scaphoid fragments with two 0.062" Kirshner wires. Motion of the scaphoid, lunate, trapezium-trapezoid was recorded using optical trackers.