Surgical intervention for distal radial fractures with concurrent ulnar styloid fractures may be beneficial for the elderly patients: a retrospective study

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BackgroundDistal radius fractures are highly prevalent among older adults. Ulnar styloid fractures frequently accompany distal radius fractures, raising concerns about treatment outcomes due to the risk of distal radioulnar joint (DRUJ) instability. This study investigated the necessity of surgical intervention (open reduction internal fixation; ORIF) for distal radius fractures in very old patients with coexisting ulnar styloid fractures.Materials and methodsA retrospective analysis of 96 patients aged ≥ 80 years with AO classification 23-A2 to 23-B3 distal radius fractures with concomitant ulnar styloid fracture between 2019 and 2022 was performed. Patients were excluded if they were aged < 80 years, had a preinjury Barthel index of < 90, or had high-energy multiple trauma. The primary outcome was the Disabilities of the Arm, Shoulder, and Hand (DASH) score assessed at 3, 6, and 12 months. We compared the DASH score and their trajectories between the ORIF and conservative treatment groups.ResultsORIF group demonstrated significantly better DASH functional scores (25.31 ± 4.71) at the 12-month follow-up compared with the conservative group (34.42 ± 8.03; p < 0.001). Treatment choice was identified as a significant predictor of DASH scores at 12 months, with ORIF significantly improved patient’s wrist function and demonstrated a β coefficient of − 9.11 (95% confidence interval: −11.95 to − 6.27, p < 0.001). The other factors investigated, namely age, lowest T-score, and medical history of diabetes mellitus, hypertension, coronary artery disease, cerebrovascular accidents, cancer, and dementia, did not exhibit a significant association with the 12-month DASH scores in the adjusted model (p > 0.05).ConclusionsOur findings suggest that very old patients with distal radius fracture accompanied by ulnar styloid fractures may benefit from ORIF to achieve optimal long-term functional recovery.