Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?

Abstract Introduction Rotationally unstable pelvic fractures treated with surgical fixation have traditionally been treated with restricted weight bearing on the affected side for 6–8 weeks post operatively. We have been developing pelvic fixation standards to allow for unrestricted weight bearing i...

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Main Authors: William E. C. Poole, David W. Neilly, Mark S. Rickman
Format: Article
Language:English
Published: BMC 2022-04-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12891-022-05299-5
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author William E. C. Poole
David W. Neilly
Mark S. Rickman
author_facet William E. C. Poole
David W. Neilly
Mark S. Rickman
author_sort William E. C. Poole
collection DOAJ
description Abstract Introduction Rotationally unstable pelvic fractures treated with surgical fixation have traditionally been treated with restricted weight bearing on the affected side for 6–8 weeks post operatively. We have been developing pelvic fixation standards to allow for unrestricted weight bearing immediately post operatively in type B rotationally unstable pelvic fractures. Aims To assess for safety and efficacy of allowing unrestrictive weight bearing in this cohort of patients, we have clinically and radiologically monitored outcomes up to two years post operatively. Methods Through retrospective review, two cohorts of patients with Tile Type B pelvic fractures were identified that were treated at the Royal Adelaide Hospital, South Australia. Patient demographics, injury classification, surgical fixation and weight bearing status post operatively was recorded. One cohort of patients was allowed to fully weight bear post operatively, whilst the other was treated with 6 weeks of restricted post op weight bearing. At clinical follow up, post-operative x-rays were assessed for loss of reduction, screw or plate breakage and reoperation. Results Between January 2018 and January 2021, 53 patients with rotationally unstable pelvic fractures that underwent surgical fixation were included in this study. One group of patents were allowed to immediately weight bear as tolerated (WBAT) post operatively (n = 28) and the other with restricted weightbearing (RWB) (n = 25). There was 1 re operation for failure of fixation in each group. Metalwork breakage was more common in the WBAT group than in the RWB group and this was seen only in APC fractures. This increase in metalwork failure was not associated with loss of reduction. Conclusions With surgical fixation, Tile type B rotationally unstable pelvic fractures can be allowed immediate weight bearing post operatively. We found this to be safe and effective, employing surgical strategies to address both anterior and posterior injuries to allow immediate unrestricted weight bearing. Broken metalwork was more commonly seen in the WBAT group but this was not associated with loss of reduction or reoperation.
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spelling doaj.art-dcf7ebc20b20437cadd2c27eb1514cce2022-12-22T02:21:19ZengBMCBMC Musculoskeletal Disorders1471-24742022-04-012311910.1186/s12891-022-05299-5Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?William E. C. Poole0David W. Neilly1Mark S. Rickman2Orthopaedic Trauma Department, Royal Adelaide HospitalOrthopaedic Trauma Department, Royal Adelaide HospitalOrthopaedic Trauma Department, Royal Adelaide HospitalAbstract Introduction Rotationally unstable pelvic fractures treated with surgical fixation have traditionally been treated with restricted weight bearing on the affected side for 6–8 weeks post operatively. We have been developing pelvic fixation standards to allow for unrestricted weight bearing immediately post operatively in type B rotationally unstable pelvic fractures. Aims To assess for safety and efficacy of allowing unrestrictive weight bearing in this cohort of patients, we have clinically and radiologically monitored outcomes up to two years post operatively. Methods Through retrospective review, two cohorts of patients with Tile Type B pelvic fractures were identified that were treated at the Royal Adelaide Hospital, South Australia. Patient demographics, injury classification, surgical fixation and weight bearing status post operatively was recorded. One cohort of patients was allowed to fully weight bear post operatively, whilst the other was treated with 6 weeks of restricted post op weight bearing. At clinical follow up, post-operative x-rays were assessed for loss of reduction, screw or plate breakage and reoperation. Results Between January 2018 and January 2021, 53 patients with rotationally unstable pelvic fractures that underwent surgical fixation were included in this study. One group of patents were allowed to immediately weight bear as tolerated (WBAT) post operatively (n = 28) and the other with restricted weightbearing (RWB) (n = 25). There was 1 re operation for failure of fixation in each group. Metalwork breakage was more common in the WBAT group than in the RWB group and this was seen only in APC fractures. This increase in metalwork failure was not associated with loss of reduction. Conclusions With surgical fixation, Tile type B rotationally unstable pelvic fractures can be allowed immediate weight bearing post operatively. We found this to be safe and effective, employing surgical strategies to address both anterior and posterior injuries to allow immediate unrestricted weight bearing. Broken metalwork was more commonly seen in the WBAT group but this was not associated with loss of reduction or reoperation.https://doi.org/10.1186/s12891-022-05299-5Pelvic traumaEarly weight bearingPelvic fixation
spellingShingle William E. C. Poole
David W. Neilly
Mark S. Rickman
Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
BMC Musculoskeletal Disorders
Pelvic trauma
Early weight bearing
Pelvic fixation
title Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
title_full Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
title_fullStr Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
title_full_unstemmed Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
title_short Is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe?
title_sort is unrestricted weight bearing immediately after fixation of rotationally unstable pelvic fractures safe
topic Pelvic trauma
Early weight bearing
Pelvic fixation
url https://doi.org/10.1186/s12891-022-05299-5
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