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Early complications and recurrence rates after Kirschner wire transfixion in lesser toe surgery: a prospective randomized study


Klammer, Georg; Baumann, Gregor; Moor, Beat Kaspar; Farshad, Mazda; Espinosa, Norman (2012). Early complications and recurrence rates after Kirschner wire transfixion in lesser toe surgery: a prospective randomized study. Foot & Ankle International, 33(2):105-112.

Abstract

BACKGROUND: Prolonged percutaneous Kirschner wire transfixion after correction of lesser toe deformities has been associated with an increased rate of complications such as infection, wire breakage or loosening. Currently, the duration of wire transfixion is based on the surgeons' opinion rather than on evidence. We hypothesized that a transfixion time of 3 weeks when compared to 6 weeks would decrease complication rates without an increase in the rate of recurrent deformity.
METHODS: We prospectively randomized 52 lesser toes corrected for a moderate hammer- or claw toe deformity by means of resectional arthroplasty of the proximal interphalangeal joint into two groups with 3 and 6 weeks of Kirschner wire transfixion, respectively. Kirschner wire-associated complication rates and incidence of early recurrence of malalignment in a short term followup of three months were assessed. Forty-six toes, 23 in each group, were available for final followup.
RESULTS: No statistically significant differences were found in pre- and postoperative total AOFAS scores between the groups. No Kirschner wire associated complications occurred. Recurrent malalignment was more often documented in the group with 3 weeks of transfixion (11 of 23 toes, 47.8%) when compared to 6 weeks (two of 23 toes, 8.7%) at 3 months followup. Interphalangeal joint motion was significantly reduced with prolonged Kirschner wire transfixion, indicating a more stable fibrous union (p = 0.038).
CONCLUSION: At short-term followup, Kirschner wire transfixion of 6 weeks as opposed to 3 weeks showed a lower rate of recurrent malalignment without an increase in Kirschner wire associated complications.

BACKGROUND: Prolonged percutaneous Kirschner wire transfixion after correction of lesser toe deformities has been associated with an increased rate of complications such as infection, wire breakage or loosening. Currently, the duration of wire transfixion is based on the surgeons' opinion rather than on evidence. We hypothesized that a transfixion time of 3 weeks when compared to 6 weeks would decrease complication rates without an increase in the rate of recurrent deformity.
METHODS: We prospectively randomized 52 lesser toes corrected for a moderate hammer- or claw toe deformity by means of resectional arthroplasty of the proximal interphalangeal joint into two groups with 3 and 6 weeks of Kirschner wire transfixion, respectively. Kirschner wire-associated complication rates and incidence of early recurrence of malalignment in a short term followup of three months were assessed. Forty-six toes, 23 in each group, were available for final followup.
RESULTS: No statistically significant differences were found in pre- and postoperative total AOFAS scores between the groups. No Kirschner wire associated complications occurred. Recurrent malalignment was more often documented in the group with 3 weeks of transfixion (11 of 23 toes, 47.8%) when compared to 6 weeks (two of 23 toes, 8.7%) at 3 months followup. Interphalangeal joint motion was significantly reduced with prolonged Kirschner wire transfixion, indicating a more stable fibrous union (p = 0.038).
CONCLUSION: At short-term followup, Kirschner wire transfixion of 6 weeks as opposed to 3 weeks showed a lower rate of recurrent malalignment without an increase in Kirschner wire associated complications.

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14 citations in Web of Science®
16 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Balgrist University Hospital, Swiss Spinal Cord Injury Center
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:February 2012
Deposited On:15 Nov 2012 13:37
Last Modified:05 Apr 2016 16:05
Publisher:Data Trace Publishing
ISSN:1071-1007
Publisher DOI:https://doi.org/10.3113/FAI.2012.0105
PubMed ID:22381341
Permanent URL: https://doi.org/10.5167/uzh-66676

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