• Birkan Kibar.
• Orthopaedic and Hand Surgeon, Clinics of Orthopaedics and Traumatology, Haydarpaşa Numune Training and Research Hospital, Tıbbiye Street, Selimiye District, No: 23, 34668, Istanbul, Turkey. birkankibar545454@gmail.com.
• Eur J Trauma Emerg Surg. 2021 Jun 1; 47 (3): 825-829.

PurposeOur aim was to investigate the clinical and radiological results of a hemi-hamate autograft arthroplasty method in patients with acute trauma who had a fragmented fracture of the proximal palmar joint surface of the middle phalanx and dorsal PIP subluxation.MethodsA total of 13 fingers from 13 patients who met the criteria were included in the study (11 men and 2 women) and prospectively reviewed. The mean age of the patients was 39.5 years. The mean interval between the injury and surgery was 6.3 days. The active movement of the DIP, PIP, MP and wrist joints was started on postoperative day. Follow-ups were performed at 6 weeks, 3, 6 and 12 months postoperatively. Range of motion for the DIP, PIP and MP joints, DASH and VAS scores, grip strength, two-point discrimination, finger pulp and palmar curve distance were evaluated.ResultsAll PIP joints were stable against coronal and sagittal stress at the 1st postoperative year and there was no limitation in wrist movements. Two-point discrimination was < 5 mm in all fingers. Union was achieved in all grafts except one. The mean active total PIP range of motion was 82.3°, DIP range of motion was 61.1°, MP joint motion was 87°. The mean DASH score was 7.6, and the mean VAS score was 1.5. The mean grip strength was 33.7 kg, which was 93% of the healthy side. The mean finger pulp and palmar curve distance was 8.6 mm.ConclusionsWe believe that HHA is an appropriate alternative in cases of acute dorsal PIP fracture-dislocations with an intact middle phalanx dorsal cortex that is not suitable for primary fixation, with the advantages of obtaining stable joint and satisfactory functional results.

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