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Comparative Study
. 2015 Aug 27:10:133.
doi: 10.1186/s13018-015-0276-7.

Comparison of clinical and radiologic treatment outcomes of Kienböck's disease

Stéphane Stahl  1 , Pascal J H Hentschel  2 , Adelana Santos Stahl  3 , Christoph Meisner  4 , Hans-Eberhard Schaller  5 , Theodora Manoli  6
Affiliations
Comparative Study

Comparison of clinical and radiologic treatment outcomes of Kienböck's disease

Stéphane Stahl et al. J Orthop Surg Res. .

Abstract

Purpose: The clinical outcomes of scaphotrapeziotrapezoid (STT) arthrodesis were compared to radial shortening osteotomy (RSO) to determine if any of the treatment methods was superior. The impact of RSO and vascularized bone grafts (VBG) on disease progression were measured based on X-rays to evaluate if a difference in Kienböck's disease (KD) progression exists.

Methods: Out of 98 consecutive patients treated between 1991 and 2013, 46 had STT arthrodesis, 21 had RSO, 7 had VBG, and 3 had VBG and RSO. Patients treated with STT arthrodesis were compared to RSO regarding post-operative range of motion (ROM), wrist pain on the Numeric Rating Scale (NRS), grip strength, duration of incapacity for work, the Disabilities of the Arm, Shoulder, and Hand (DASH), and the Modified Mayo Wrist scores (MMWS). Radiographic assessment (Nattrass index, radioscaphoid angle, and Ståhl index) was performed to determine disease progression following RSO or VBG. Baseline patient characteristics were comparable in all treatment groups.

Results: There were no significant differences in post-operative ROM, wrist pain, grip strength, duration of incapacity, DASH score, or MMWS score following STT arthrodesis (n = 27) or RSO (n = 14). The Ståhl index, the Nattrass index, and the radioscaphoid angle suggested disease progression following RSO (n = 14) and/or VBG (n = 6) although the changes were not significant.

Conclusions: The study failed to demonstrate clinically relevant differences between STT arthrodesis compared to RSO. No evidence was found that decompression or revascularization, or the combination of the two, can reverse or halt the course of the disease.

Level of evidence: Therapy, level III, retrospective comparative study with prospectively collected data.

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Figures

Fig. 1
Fig. 1
Pre-operative pa x-rays of the right wrist of a 31-year-old male patient who had undergone RSO
Fig. 2
Fig. 2
Post-operative pa x-rays of the right wrist of a 31-year-old male patient who had undergone RSO
Fig. 3
Fig. 3
Pre-operative x-rays of the right wrist of of a 45-year-old male patient who had undergone STT arthrodesis
Fig. 4
Fig. 4
Post-operative x-rays of the right wrist of of a 45-year-old male patient who had undergone STT arthrodesis
Fig. 5
Fig. 5
Pre-operative x-rays of the left wrist of of a 44-year-old male patient who had undergone VBG
Fig. 6
Fig. 6
Post-operative x-rays of the left wrist of of a 44-year-old male patient who had undergone VBG
See this image and copyright information in PMC

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References

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