The stepped hybrid plate for carpal panarthrodesis

Summary

In the 1990s, the AO (Arbeitsgemeinschaft für Osteosynthesefragen) Hand Study Group developed several anatomically bent plates (standard and short) for wrist panarthrodesis in humans. However, only straight plates have been used for carpal panarthrodesis (CP) in animals to date. The primary purpose of this study was to determine if precontoured plates are more anatomical for CP in dogs. Measurement of several of the bones that are implicated in CP, as well as the relationship between their surfaces and the surface of a straight plate, were performed in a radio-graphic and computed tomographic cadaveric study. Axial and transverse measurements taken at different levels of the metacarpal bones 2, 3 and 4 were also included. The second objective of this study was to develop a more anatomical CP plate according to the results obtained. The measurements and images obtained in this study show that, as in human orthopaedics, bent or stepped plates are more anatomically correct than straight plates for CP in dogs.

Keywords

Carpal panarthrodesis - pancarpal arthrodesis - carpal arthrodesis - hybrid dynamic compression plate

• References

• 1 Leeds EB. Carpal arthrodesis for overextension of the carpus. Canine Pract 1978; 5: 32-39.
• 2 Sexton RL, Hurov I L. Repair of carpometacarpal instability after radiocarpal arthrodesis in a dog. J Am Vet Med Assoc 1978; 172: 1186-1189.
• 3 Johnson KA. Carpal arthrodesis in dogs. Aust Vet J 1980; 56: 565-573.
• 4 Parker RB, Brown SG, Wind AP. Pancarpal arthrodesis in the dog: a review of forty-five cases. Vet Surg 1981; 10: 35-43.
• 5 Moore RW, Withrow SJ. Arthrodesis. Compend Contin Educ Pract Vet 1981; 3: 319-330.
• 6 Denny HR, Barr ARS. Partial carpal and pancarpal arthrodesis in the dog: a review of 50 cases. J Small Anim Pract 1991; 32: 329-334.
• 7 Whitelock RG, Dyce J, Houlton JEF. Metacarpal fractures associated with pancarpal arthodesis in dogs. Vet Surg 1999; 28: 25-30.
• 8 Richards RS, Roth JH. Simultaneous proximal row carpectomy and radius to distal carpal row arthrodesis. J Hand Surg (Am) 1994; 19: 728-732.
• 9 Zachary SV, Stern PJ. Complications following AO/ ASIF wrist arthrodesis. J Hand Surg (Am) 1995; 20: 339-344.
• 10 O'Bierne J, Boyer I M, Axelrod TS. Wrist arthrodesis using a dynamic compression plate. J Bone Joint Surg Br 1995; 77: 700-704.
• 11 Richterman I, Weiss AP. Wrist fusion. Hand Clin 1997; 13: 681-687.
• 12 Moneim MS, Pribyl CR, Garst JR. Wrist arthrodesis. Technique and functional evaluation. Clin Orthop 1997; 341: 23-29.
• 13 Anderson GA, Thomas BP. Arthrodesis of flail or partially flail wrist using a dynamic compression plate without bone grafting. J Bone Joint Surg Br 2000; 82: 566-570.
• 14 Hasting II H. Artrodesis de la muñeca artrósica. In “Master en Cirugía Ortopédica”, vol 22. Thomson RCJr. (ed). Marbán Libros; Madrid: 1999: 345-360.
• 15 Penwick RC. Arthrodesis. Vet Clin North Am Small Anim Pract 1987; 17: 821-840.
• 16 Piermattei DL, Flo GL, DeCamp CE. Fractures and Other Orthopedic Conditions of the Carpus, Metacarpus, and Phalanges. In Brinker, Piermattei and Flo';s Handbook of Small Animal Orthopedic and Fracture Repair. Piermattei DL, Flo GL, DeCamp CE. (ed). W.B. Saunders Elsevier; St Louis: 2006: 382-428.
• 17 Kalb K, Ludwig A, Tauscher A. et al Treatment outcome after surgical arthrodesis. Handchir Mikrochir Plast Chir 1999; 31: 253-259.
• 18 Sauerbier M, Kania NM, Kluge S. et al Initial results of treatment with the new AO wrist joint arthrodesis plate. Handchir Mikrochir Plast Chir 1999; 31: 260-265.
• 19 Houshian S, Schroder HA. Wrist arthrodesis with the AO titanium wrist fusion plate: a consecutive series of 42 cases. J Hand Surg (Br) 2001; 26: 355-359.
• 20 Meads BM, Scougall PJ, Hargreaves IC. Wrist arthrodesis using a Synthes wrist fusion plate. J Hand Surg (Br) 2003; 28: 571-574.
• 21 Nowinski RJ, Nork SE, Segina DN. et al Comminuted fracture-dislocations of the elbow treated with an AO wrist fusion plate. Clin Orthop 2000; 378: 238-244.
• 22 Li A, Gibson N, Carmichael S. et al Thirteen pancarpal arthrodeses using 2.7/3.5 mm hybrid dynamic compression plates. Vet Comp Orthop Traumatol 1999; 12: 102-107.
• 23 Wilke VL, Robinson TM, Dueland RT. Intertarsal and tarsometatarsal arthrodesis using a plantar approach – a carpal arthrodesis plate or dynamic compression plates: four arthrodeses in three dogs. Vet Comp Orthop Traumatol 2000; 13: 28-33.
• 24 Simpson D, Goldsmid S. Pancarpal arthrodesis in a cat: a case report and anatomical study. Vet Comp Orthop Traumatol 1994; 7: 45-50.
• 25 Nunamaker DM, Richardson DW, Butterweck DM. et al A new external fixation device that allows immediate full weightbearing. Application in the horse. Vet Surg 1986; 15: 345-355.
• 26 Guerrero TG, Montavon PM. Medial plating for carpal panarthrodesis. Vet Surg 2005; 34: 153-158.
• 27 Lesser AS. Arthrodesis. In Textbook of Small Animal Surgery, vol 2. Slatter D. (ed). W.B. Saunders; Philadelphia: 2003: 2170-2180.