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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rigby, Ryan B. Fallat, Lawrence M. Kish, John P. |
| Description | Country affiliation: United States Author Affiliation: Rigby RB ( Department of Podiatric Surgery, Oakwood Annapolis Hospital, Wayne, MI, USA. dr.ryanrigby@gmail.com) |
| Abstract | The Austin procedure has become a common method of osteotomy for the correction of hallux abductovalgus when indicated. The V-type configuration is intrinsically stable but not without complications. One complication encountered is rotation and/or displacement of the capital fragment. We present the use of an axial loading screw in conjunction with a dorsally placed compression screw. The benefit to this technique lies in the orientation of the axial loading screw, because it is directed to resist the ground reactive forces while also providing a second point of fixation in a crossing screw design. In a head-to-head biomechanical comparison, we tested single dorsal screw fixation versus double screw fixation, including both the dorsal and the axial loading screws in 10 metatarsal Sawbones(®) (Pacific Research Laboratories Inc, Vashon, WA). Five metatarsals received single dorsal screw fixation and five received the dorsal screw and the additional axial loading screw. The metatarsals were analyzed on an Instron compression device for comparison; 100% of the single screw fixation osteotomies failed with compression at an average peak load of 205 N. Four of five axial loading double screw fixation osteotomies did not fail. This finding suggests that the addition of an axial loading screw providing cross screw orientation significantly increases the stability of the Austin osteotomy, ultimately decreasing the likelihood of displacement encountered in the surgical repair of hallux abductovalgus. |
| File Format | HTM / HTML |
| ISSN | 10672516 |
| Issue Number | 5 |
| Volume Number | 50 |
| e-ISSN | 15422224 |
| Journal | The Journal of Foot and Ankle Surgery |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-09-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Orthopedics Discipline General Surgery Bone Screws Hallux Valgus Surgery Metatarsal Bones Osteotomy Methods Biomechanical Phenomena Humans Podiatry Comparative Study Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Surgery |
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