Comparison of computer assisted surgery with conventional technique for treatment of abaxial distal phalanx fractures in horses: an in vitro study

Veterinary Surgery : VS
Melanie RossolJoerg A Auer

Abstract

To (1) evaluate and compare computer-assisted surgery (CAS) with conventional screw insertion (conventional osteosynthesis [COS]) for treatment of equine abaxial distal phalanx fractures; (2) compare planned screw position with actual postoperative position; and (3) determine preferred screw insertion direction. Experimental study. Cadaveric equine limbs (n=32). In 8 specimens each, a 4.5 mm cortex bone screw was inserted in lag fashion in dorsopalmar (plantar) direction using CAS or COS. In 2 other groups of 8, the screws were inserted in opposite direction. Precision of CAS was determined by comparison of planned and actual screw position. Preferred screw direction was also assessed for CAS and COS. In 4 of 6 direct comparisons, screw positioning was significantly better with CAS. Results of precision analysis for screw position were similar to studies published in human medicine. None of evaluated criteria identified a preferred direction for screw insertion. For abaxial fractures of the distal phalanx, superior precision in screw position is achieved with CAS technique compared with COS technique. Abaxial fractures of the distal phalanx lend themselves to computer-assisted implantation of 1 screw in a dorsopalmar (plantar) ...Continue Reading

References

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Citations

Dec 17, 2011·Journal of the American Veterinary Medical Association·Ceri E SherlockElizabeth W Howerth
Jun 23, 2015·The Veterinary Journal·Jörg A Auer, David W Grainger
Aug 19, 2014·Veterinary Surgery : VS·Janik C Gasiorowski, Dean W Richardson
Jul 18, 2020·Veterinary Surgery : VS·Mathieu de PreuxChristoph Koch
Mar 10, 2021·Veterinary Surgery : VS·Erik E Perez-JimenezTaralyn M McCarrel
Jun 10, 2021·Equine Veterinary Journal·Lauren E SmanikDean W Richardson

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