Scaphoid non-union, particularly following internal fixation, is a vexing problem. A retrospective review was conducted analysing the outcome of 4 patients who failed initial open reduction and internal fixation of scaphoid fractures. Three fractures were located in the waist and the fourth in the proximal pole. All patients underwent screw exchange and Bone Morphogenic Protein (BMP)-2 sponge placement with no additional bone grafting. Patients were immobilised for 4 weeks and followed with serial radiographs in all cases and CT scans in 3 cases. All patients demonstrated evidence of bony union at an average of 53 days from surgery and ultimately returned to pain-free full activity. There were no complications. BMP-2 and screw exchange yielded a 100% union rate in patients with established scaphoid non-union. While this retrospective study represents a small number of patients and clearly requires further investigation, it presents a promising technique for managing a difficult clinical problem.
Background: To identify the time course for efficacy of corticosteroid injections in the treatment of trigger finger. Methods: A prospective single-center observational study was conducted, consisting of 38 patients with 41 trigger digits that were injected. Enrolled patients completed an initial Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire to determine the severity of their symptoms. Following the injection, patients were contacted at scheduled time points for up to 12 weeks to determine if, and when, objective resolution of symptoms occurred. Patients who received additional treatment, such as a second injection or surgery, and those who did not have objective relief of symptoms by 12 weeks were classified as failed. Upon symptom resolution or injection failure, patients were given a DASH exit questionnaire. Results: 30 of 41 injected trigger digits resolved and 11 failed treatment with a single corticosteroid injection. The latest that any study participant experienced resolution of symptoms was 69 days. At 38 days, the rate of resolution of the study population slowed significantly. Conclusions: Although symptomatic resolution of trigger finger from a single corticosteroid injection can occur early on, a follow-up of 4 weeks (28 days) does not allow enough time for symptom resolution. The earliest a surgeon and patient should consider a secondary treatment is at 38 days. After 69 days without resolution, both surgeon and patient can be confident that further treatment is needed.
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