Entrapment of median nerve after elbow fracture dislocations: expected surgical time frame based on cadaver study.

INTRODUCTION: Median nerve injuries occur in approximately 3% of pediatric elbow fracture dislocations. These rare injuries can be difficult to diagnose, and the results are poor in delay cases. Surgical timing is one of the most important prognostic factors. We aimed to present three patients with median nerve palsy who were referred to our clinic late, and according to these cases, we emphasized the expected time frame for exploration based on our anatomical cadaver study. MATERIALS AND METHODS: Between 2008 and 2010, three patients were referred to our clinic because of median nerve paralysis after a treated elbow dislocation. The mean interval between injury and referral was 15 (min: 13-max: 18) months, and the mean age of the patients was 15 (13-18) years. Neurolysis was performed in two patients, and for the third patent, after neurolysis, axonal continuity was observed to be disrupted so sural nerve grafting was performed with four cables. Tendon transfers were performed in all patients. A total number of 20 upper extremities of 10 cadavers were dissected. Due to its proximal innervation and ease of assessment, the muscle innervation of the flexor pollicis longus (FPL) was planned to be evaluated. The distance from the medial epicondyle is calculated in the cadaver study where the nerve injury is found. RESULTS: The mean length from the medial epicondyle to the motor innervation of FPL was calculated in each specimen and found to be 101.99 millimeters (mm) (range: 87.5-134.2). The mean longest innervation of FPL was 110.83 mm from (range 87.5-148.1) the medial epicondyle calculated by including each specimens longest nerve length. Knowing that the healing time of a nerve lesion is 1 mm per day, we calculated that the recovery of FPL would take approximately 4 months. CONCLUSION: When nerve healing is expected to be 1 mm a day in axonotmesis type injury, after the median nerve palsy following elbow dislocation, thumb flexion should be achieved in the following 4 months generally if the nerve was not entrapped in the joint. This cadaver-based study objectively defined how long to wait for the innervation of the FPL in median nerve injuries in elbow fracture dislocations.

Understanding the recurrent pulled elbow.

Nursemaid elbow is subluxation of the radius head seen in early childhood. The aim of this study was to examine the epidemiology of recurrent dislocations and the effect of hyperlaxity and bone anatomy on recurrent dislocations in these injuries, for which the pathogenesis has not been fully clarified. The study included a total of 329 paediatric patients who presented at the Paediatric Emergency Department (ED) between January 2016 and December 2022, and were diagnosed with Nursemaid Elbow. On presentation at ED, two-directional elbow radiographs were taken of all the patients and the radius head-neck ratio was measured on the lateral elbow radiograph. The Beighton score of joint hyperlaxity was evaluated in all the patients with a history of recurrent dislocation. A statistically significant difference was determined between the Beighton score groups in respect of the number of dislocations in multiple dislocations (P = 0.002). No statistically significant relationship was determined between the number of dislocations and the lateral radius head/neck ratio (P = 0.061). Hyperlaxity syndrome should be kept in mind in the aetiology of multiple dislocations.

Comparison of plaster cast and open reduction internal fixation in delayed fourth and fifth carpometacarpal fracture-dislocations.

OBJECTIVES: This study aims to compare the clinical, radiological, and functional outcomes of the late-presenting ulnar carpometacarpal (CMC) joint injuries treated conservatively with plaster cast versus treated surgically with open reduction internal fixation (ORIF). PATIENTS AND METHODS: Between May 2019 - October 2021, a total of 28 patients (26 males, 2 females; mean age: 32.2±10.3 years; range, 20 to 59 years) who were treated conservatively or surgically were retrospectively analyzed. Fourteen patients operated with ORIF were included in the first group (surgery group), and 14 patients followed conservatively with a plaster cast were included in the second group (conservative group). The patients were classified according to Cain's classification and the AO Foundation and Orthopedic Trauma Association (AO/OTA) classification. The patients were evaluated in terms of pulp palm distance (PPD), Visual Analog Scale (VAS), Disabilities of the Arm, Shoulder and Hand (DASH) score, grip strength, time to return to work, follow-up time, and presence of complications. RESULTS: No significant difference was found in terms of the pain and functional scores. In the conservative group, the grip strength of the injured side was significantly lower than the healthy side (p=0.0093). The patients with and without metacarpal fracture subluxation/dislocation were evaluated separately, and the grip strength of the fractured side in the subluxation/dislocation group was found to be significantly higher in the surgery group than the conservative group (p=0.0237). In the group with subluxation/dislocation, the recovery time increased, as the time to treatment increased. In three patients in the conservative group, the PPD values were 2, 3, and 4 mm, respectively while it was 0 mm for all in the surgery group. CONCLUSION: The non-bridging dorsal buttress plate technique with or without a Kirschner wire is effective in patients with delayed ulnar CMC fracture-dislocations. Although surgery is associated with longer time to return to work, long-term results obtained with anatomical reduction of the joint are satisfactory for manual workers.

Nascent Malunion of Distal Radius Fractures Treated with Fixed Angled Volar Plates without Using Bone Grafts.

Purpose: Malunion of the distal radius is a common complication. Using bone grafts is common to restore the bone to an acceptable level. This study aimed to verify if it is necessary to use bone grafts in nascent malunion of distal radius fractures treated with fixed angled volar plates and which radiographic parameters are essential to obtain satisfactory outcomes. Methods: This single-centered prospective study included 11 patients who underwent corrective osteotomy of the radius for malunion. Patients with a metaphyseal, extraarticular osteotomy stabilized by a volar fixed angle plate within 3 months after the fracture are included. Patients underwent a standard radiological evaluation at postoperative 1 month, 3 months, 6 months, 1 year, and annually thereafter. Radial inclination, radial height, ulnar variance, and palmar tilt were measured. Wrist ranges of motion are measured throughout follow-up with a goniometer. Grip strength is measured using a Jamar Hand Dynamometer. The function is evaluated via the Gartland-Werley (GW) score and the Disabilities of the Arm, Shoulder, and Hand (DASH) score. Results: The mean age of 11 patients, 9 (81.82%) males, included in the study was 41.45 ± 14.89 years. The mean post-fracture admission time is 39.3 ± 15.1 days. Radial inclination, radial length, and ulnar variance improved significantly after surgery (p = 0.0023, 0.0002, 0.0037). Radial inclination values are within normal limits for all patients at admission. The radial length was in the normal range for 72.73%, the ulnar variance was in the normal range for 72.73%, and palmar tilt was in the normal range for 100% of the patients. Extension 54.55%, flexion 72.73%, radial deviation 81.82%, ulnar deviation 63.64%, pronation 90.91%, and supination 72.73% were achieved after surgery. GW average was 3.09 ± 3.24 DASH score average was 12.24 ± 13.48. The mean grip strength was 29.27 ± 7.21 on the operated side, while it was 34.91 ± 5.32, on the healthy side, with a significant difference (p = 0.0108). Conclusion: It is possible to get good results without using bone grafts in corrective osteotomy of distal radius malunions.

The diagnostic value of ultrasonography and magnetic resonance imaging in missed hand tendon injuries.

BACKGROUND: Patients with hand tendon injuries may present to the hand surgery clinic in the late stage after being examined in emergency departments. Even if an approximate idea has been obtained in physical examination of these patients, diagnostic imaging is usually requested for reconstructive approach, correct planning of surgical incisions and medicolegal reasons. The primary purpose of this study was to determine the overall accuracy of Ultrasonography (USG) and Magnetic Resonance Imaging (MRI) in patients with late presentation of a tendon injury. METHODS: The surgical findings and imaging reports of 60 patients (32 females, 28 males) who underwent surgical exploration, late secondary tendon repair or reconstruction with a diagnosis of late-presenting tendon injury in our clinic were evaluated. Comparisons were made of 47 preoperative USG images (18-874 days) and 28 MRI (19-717 days) results for 39 extensor and 21 flexor tendon injuries. The imaging reports were interpreted as partial rupture, complete rupture, healed tendon and adhesion formation and these were compared with the surgical reports in terms of accuracy. RESULTS: In extensor tendon injuries, the sensitivity and accuracy values were both 84% for USG and 44% and 47% for MRI, respec-tively. In flexor tendon injuries, the sensitivity and accuracy values were 100% for MRI and 50% and 53%, respectively, for USG. Of the 4 sensory nerve injuries, 4 were missed on USG and 1 on MRI. The results obtained with USG and MRI in the late-presenting patients in this study were lower than those reported in previous USG and MRI studies in the literature. CONCLUSION: Scar formation with tendon healing causes a change in anatomy, which could prevent accurate evaluation. There-fore, it would be beneficial for surgeons to start evaluating their patients with easily accessible ultrasonography; thus, surgical morbid-ity should be reduced.

Is biceps tenodesis necessary when performing arthroscopic rotator cuff repair in patients older than 55 years?

INTRODUCTION: In patients with arthroscopic rotator cuff repair, tenotomy and tenodesis are the most performed surgical procedures for the biceps long head (BLH) pathologies. Controversy continues as to which surgical procedure provides better results. This study aimed to compare the clinical outcomes of tenotomy and tenodesis applied to the biceps long head in patients who underwent arthroscopic rotator cuff repair. MATERIALS AND METHODS: In our study, the clinical results of 706 patients who underwent arthroscopic rotator cuff repair with tenotomy or tenodesis on the long biceps head were evaluated retrospectively. Rotator cuff repair patients were divided into two groups as single-row and double-row repair patients. The clinical results of patients who underwent tenotomy and tenodesis in single-row (n = 383) and double-row (n = 323) repair groups were compared. The clinical outcomes of the patients who underwent tenotomy and tenodesis without distinction between double/single-row repair were also compared. Preoperative and postoperative clinical evaluations of the patients were made with Constant Shoulder Score (CSS) and visual pain scale (VAS). The presence of the Popeye sign in the arm, tenderness in the bicipital groove, and cramping in the biceps muscle in the postoperative period was evaluated and compared among groups. Preoperative and postoperative clinical results of the patients were compared within the groups. RESULTS: A total of 706 patients with a mean age of 61.78 ± 20.94 years and a mean follow-up period of 29.15 ± 14.28 months were evaluated. The mean age of the tenodesis group (58.13 ± 8.47) was significantly lower than the tenotomy group (61.52 ± 22.58) (p < 0.05). The mean CSS and VAS mean postoperatively in the tenotomy group (n = 587) were 76.84 ± 12.74 and 2.29 ± 2.78. The postoperative mean CSS and VAS in the tenodesis group (n = 119) were 77.56 ± 11.23 and 2.64 ± 2.70. There was no statistically significant difference between the postoperative clinical scores of patients who underwent tenotomy and patients who underwent tenodesis (p > 0.05). There was no difference between the tenotomy and tenodesis groups regarding Popeye deformity (p = 0.980). Bicipital groove tenderness and cramping in the biceps muscle were significantly higher in the tenodesis group (p < 0.001, < 0.001). Tenodesis was performed in 68, and tenotomy was performed in 315 out of 383 patients who underwent single-row rotator cuff repair. Tenodesis was performed in 51, and tenotomy was performed in 272 of 334 patients who underwent double-row rotator cuff repair. When singe versus double-row groups was compared, there was no significant difference in VAS, CSS, Popeye sing, bicipital groove tenderness, or biceps muscle cramping. When tenotomy versus tenodesis was compared within single- and double-row repair groups, there was no significant difference in VAS or CSS. There was no difference between the tenotomy and tenodesis groups regarding Popeye deformity, but bicipital groove tenderness and muscle cramping were more in tenodesis groups regardless of the repair rows. CONCLUSIONS: The effect of tenodesis versus tenotomy for BHL pathologies in patients who underwent arthroscopic rotator cuff repair was not significant for clinical scores, but bicipital groove tenderness and biceps muscle cramping were significantly higher in the tenodesis group.

Anterolateral Thigh Flap Coverage for Large Posterior Defects of the Elbow.

Purpose: This study highlights the advantages and disadvantages of Anterolateral Thigh (ALT) free flap using the brachial artery as the recipient vessel in large posterior defects of the elbow with early mobilization. Methods: Eight patients with a soft tissue defect on the posterior elbow underwent reconstruction with an ALT free flap. Average age and follow-up were 29.5 years (range, 18-43 years) and 54 months (range, 35-76 months), respectively. All defects were on the posterior side, and brachial arteries on the anterior side were used as the recipient artery in all cases. Four defects were created by tumor excision, four were exposed with hardware after fixation of distal humeral and/or proximal ulna fractures. The dimensions of defects were between 80 and 352 cm2. Cases were evaluated according to function (ROM), complications, tissue quality anticipated from reconstruction and immobilization time after the reconstruction. Results: All flaps except one survived and met the tissue quality anticipated from this reconstruction. In the bigger flaps, an apparent ugly scar at the donor site was the main problem. The flap on the posterior, and recipient artery on the anterior had no adverse effects on early motion of the elbow. Two cases with fractures had minimal restriction of elbow movement due to post-traumatic stiff elbow. There was one case of partial flap loss after myocardial infarction. After the patient was medically stable, the remaining distal defect was closed with a pedicled radial forearm flap. Conclusion: ALT free flap has numerous advantages in covering defects at the posterior elbow such as being pliable, thin and durable skin, with a long and reliable pedicle reaching the brachial artery without causing any problem in early motion and surgical reconstruction can be easily completed in the supine position.

Outcome of free gracilis muscle transfer for the restoration of elbow flexion in traumatic brachial plexus palsy.

OBJECTIVES: The aim of this study was to evaluate the functional outcomes of patients with free gracilis muscle transfer (FGMT) for the restoration of elbow flexion. PATIENTS AND METHODS: Between January 2012 and January 2019, a total of 16 patients (13 males, 3 females; mean age: 27.3±11.7 years; range: 18 to 53 years) who underwent FGMF to achieve elbow flexion after traumatic brachial plexus palsy (TBPP) were retrospectively analyzed. Data including demographic and clinical characteristics of the patients, etiology, affected side, injury level, accompanying injuries, time between injury and surgery, follow-up time, complications, whether nerve reconstruction and artery repair were performed previously, and details of the procedure were recorded. The outcome measures were elbow range of motion in degrees, muscle strength, and Disabilities of the Arm, Shoulder and Hand (DASH) and Short Form-36 (SF-36) scores. RESULTS: The mean follow-up was 30±11.5 (range, 24 to 42) months. Two patients had C5-C8 injuries, two patients had C6-T1 injuries, and all other patients had injuries to the C5-T1 roots. Muscle strength was M3/M4 in 11 (68.8%) patients, M2 in two (12.5%) patients, and M0 in one (6.2%) patient. The median active range of motion of the elbow joint in patients with successful results (M3 and above) was measured as 75 (range, 30 to 100) degrees. A statistically significant improvement was observed in the pre- and postoperative DASH scores and in some SF-36 subscale scores of patients with successful results. CONCLUSION: Free gracilis muscle flap is a reliable option in the restoration of elbow flexion in patients with TBPP. Although there is an improvement in functional results, disability, and quality of life, there may be no change in patients' mental status and pain.

Can headless screw used in fixation of the scaphoid proximal pole fracture be broken after wrist trauma? An unreported complication of scaphoid surgery.

The post-traumatic impairment of blood supply of the scaphoid bones' proximal pole is the subject of controversy in the surgical techniques which would heal this fracture. In a surgery performed with a dorsal approach, the main goal is to make a strong fixation with a small incision and a good implant without disturbing the blood supply of the bone. To date, complications related to surgical treatment of scaphoid proximal pole fractures have been reported in detail. However, there is no other study which presents headless screw failure which placed for the scaphoid proximal pole fracture surgery. Although implant technologies have been developed nowadays, our case report highlights that the endurance of these implants has not been carried out in such proximal pole fractures of the scaphoid, yet. Herein, we present the explanation of a broken headless screw which was placed into the proximal pole fracture of scaphoid, avoiding to affect bone stock of the scaphoid surgical technique. We believe that this surgical technique would be helpful to manage similar difficult situations for orthopedic surgeons.

Poland's syndrome concomitant with congenital proximal and distal radioulnar synostosis: A rare case report.

Radioulnar synostosis is a rare disease which causes supination and pronation restriction as a result of osseous or fibrous connections between the radius and ulna. Radioulnar synostosis includes both congenital and post-traumatic types. Post-traumatic radioulnar synostosis can be seen in the proximal, middle, and distal part of the forearm, depending on the location of the trauma. Congenital proximal radioulnar synostosis occurs as a result of a separation defect between the radius and ulna in the embryonic period. In the presence of congenital proximal radioulnar synostosis, the patient should be evaluated for accompanying syndromes and possible developmental anomalies. In this report, we present a rare case of both proximal and distal radioulnar synostosis. Hypoplasia of the right pectoral muscle mass, hypoplastic appearance of the right nipple, presence of proximal and distal radioulnar synostosis in the right forearm, and accompanying symbrachydactyly suggested Poland syndrome. To the best of our knowledge this is the first case of congenital proximal and distal radioulnar synostosis with Poland syndrome.

Steroid Injection and Biomarker Levels in the Treatment of Unicameral Bone Cysts: Can we Estimate the Result?

BACKGROUND: Steroid injection is a common method in the treatment of unicameral bone cysts (UBC). In this study, the relationship between the clinical results and inflammatory molecules' levels in the cyst fluid was evaluated after three repeated steroid injections in UBC subjects. METHODS: Twenty-one patients diagnosed with UBC were treated with methylprednisolone acetate (MPA) injections. Patients were given three injections, each containing MPA, 6-8 weeks apart. Plain radiographs were obtained and cyst healing was evaluated according to modified Neer classification. Cyst fluid samples were taken. Samples were taken at first and last operations and were studied using the ELISA method to examine IL-1ß, PGE2, MMP-1, and VEGF-A levels. RESULTS: There were 17 and 4 cases localized to the humerus and femur, respectively. The mean follow-up period was 36.9 months. Complete recovery was achieved in 13 patients (61.9%) receiving MPA. Four patients (19%) recovered with residual lesions. One patient (4.7%) did not respond to steroid injections at all. In three patients (14.2%) the cyst recurred. Results were satisfactory in 17 patients (80.9%) and totally unsuccessful in 4 patients (19%). IL-1ß, PGE2, and MMP-1 levels in cyst fluid were not affected by injection (p > 0.05), but VEGF-A levels decreased significantly with cyst healing (p = 0.01). CONCLUSION: Steroid injection is a good choice in the treatment of UBC because of its less aggressive and relatively good outcome. It may be considered to evaluate the response to treatment by performing biomarker monitoring especially VEGF-A in repeated injections. LEVEL OF EVIDENCE: Level II study.

A rare cause of osteomyelitis of distal phalanx: Candida lusitaniae.

Osteomyelitis of the phalanx caused by Candida species are rare. A 49-year-old female patient was admitted to an external center with a splinter injury of the third phalanx of the middle finger of her left hand about 45 days ago. She was referred to our clinic with persistent pain and discharge, despite four-week antibiotherapy. Debridement and curettage were performed and partial excision of the distal phalanx at an appropriate level was done. Her complaints gradually resolved postoperatively with prescribed antibiotics for the pathogen identified as Candida lusitaniae based on the intraoperative cultures. At her three-month follow-up visit, treatment yielded near-excellent results. To the best of our knowledge, this is the first case of osteomyelitis of the distal phalanx caused by Candida lusitaniae in the literature, highlighting the importance of definitive diagnosis and pathogen-specific treatment, rather than empirical treatment, to achieve favorable results with cure.

The pronator quadratus muscle after plating of distal radius fractures: is the muscle still working?

The purpose of this study is to define the function of the pronator quadratus muscle after plating of a distal radius fracture using anterior (volar) approach. Fourteen cases with volar plating after for a distal radius fracture were included in the study. Sixteen healthy volunteers were selected to determine the effect of dominant arm on pronation torque of the forearm for the control group. Biodex System 4 PRO (Biodex Medical Systems Inc., New York) torque meter was used for pronation torque measurement. In healthy volunteer group, there was no statistically significant difference in mean pronation torque values between the dominant arm and nondominant arms. The mean loss of pronator strength was 18.5 % and the mean loss of pronator durability was 12.9 % indicating a pronator insufficiency in the cases operated by a volar approach compared to uninjured forearm. Two patients among the operated group, who had further strengthening exercises beyond their own rehabilitation regimes, had improved pronator torque compared to uninjured forearm. In conclusion, the results of this study indicate that following volar plating of distal radius fractures, there is a significant loss in pronator strength of the forearm. As the two of the patients had improved pronator strength of their operated forearm, further rehabilitation regimes should be considered to prevent pronator weakness following volar plating for distal radius fractures.