Nearly half of adult fracture patients are vitamin D deficient (serum 25‐hydroxyvitamin D [25(OH)D] levels <20 ng/mL). Many surgeons advocate prescribing vitamin D supplements to improve fracture healing outcomes; however, data supporting the effectiveness of vitamin D 3 supplements to improve acute fracture healing are lacking. We tested the effectiveness of vitamin D 3 supplementation for improving tibia and femur fracture healing. We conducted a single‐center, double ‐ blinded phase II screening randomized controlled trial with a 12‐month follow‐up. Patients aged 18–50 years receiving an intramedullary nail for a tibia or femoral shaft fracture were randomized 1:1:1:1 to receive (i) 150,000 IU loading dose vitamin D 3 at injury and 6 weeks ( n = 27); (ii) 4000 IU vitamin D 3 daily ( n = 24); (iii) 600 IU vitamin D 3 daily ( n = 24); or (iv) placebo ( n = 27). Primary outcomes were clinical fracture healing (Function IndeX for Trauma [FIX‐IT]) and radiographic fracture healing (Radiographic Union Score for Tibial fractures [RUST]) at 3 months. One hundred two patients with a mean age of 29 years (standard deviation 8) were randomized. The majority were male (69%), and 56% were vitamin D 3 deficient at baseline . Ninety‐nine patients completed the 3‐month follow‐up. In our prespecified comparisons, no clinically important or statistically significant differences were detected in RUST or FIX‐IT scores between groups when measured at 3 months and over 12 months. However, in a post hoc comparison, high doses of vitamin D 3 were associated with improved clinical fracture healing relative to placebo at 3 months (mean difference [MD] 0.90, 80% confidence interval [CI], 0.08 to 1.79; p = 0.16) and within 12 months (MD 0.89, 80% CI, 0.05 to 1.74; p = 0.18). The study was designed to identify potential evidence to support the effectiveness of vitamin D 3 supplementation in improving acute fracture healing. Vitamin D 3 supplementation, particularly high doses, might modestly improve acute tibia or femoral shaft fracture healing in healthy adults, but confirmatory studies are required. The Vita‐Shock trial was awarded the Orthopaedic Trauma Association's (OTA) Bovill Award in 2020. This award is presented annually to the authors of the most outstanding OTA Annual Meeting scientific paper. © 2022 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.

Objectives: To determine whether skin perfusion surrounding tibial plateau and pilon fractures is associated with the Tscherne classification for severity of soft tissue injury. The secondary aim was to determine if soft tissue perfusion improves from the time of injury to the time of definitive fracture fixation in fractures treated using a staged protocol.

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Objectives: To explore the association between time to surgery (TTS) and postoperative complications in geriatric patients with acetabular fractures.