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ORIF versus MIPO for humeral shaft fractures: a meta-analysis and systematic review of randomized clinical trials and observational studies.

Authors
  • Beeres, Frank Jp1
  • Diwersi, Nadine1
  • Houwert, Marijn R2
  • Link, Björn C1
  • Heng, Marilyn3
  • Knobe, Matthias1
  • Groenwold, Rolf Hh4
  • Frima, Herman5
  • Babst, Reto1
  • Jm van de Wall, Bryan6
  • 1 Lucerne Cantonal Hospital, Department of Orthopedic and Trauma Surgery, Spitalstrasse 16, 6000 Luzern, Switzerland. , (Switzerland)
  • 2 University Medical Center Utrecht, Department of Trauma Surgery, Heidelberglaan 100, 3584CX, Utrecht, the Netherlands. , (Netherlands)
  • 3 Harvard Medical School Orthopedic Trauma Initiative, Massachusetts General Hospital Boston, Department of Orthopedic Surgery, Boston, USA.
  • 4 Leiden University Medical Center, Department of Clinical Epidemiology, Leiden, the Netherlands. , (Netherlands)
  • 5 Northwest Hospital group, Department of Trauma Surgery, Wendelaarstraat 58, 1814 GS Alkmaar, the Netherlands. , (Netherlands)
  • 6 Lucerne Cantonal Hospital, Department of Orthopedic and Trauma Surgery, Spitalstrasse 16, 6000 Luzern, Switzerland. Electronic address: [email protected] , (Switzerland)
Type
Published Article
Journal
Injury
Publication Date
Apr 01, 2021
Volume
52
Issue
4
Pages
653–663
Identifiers
DOI: 10.1016/j.injury.2020.11.016
PMID: 33223254
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

There is no consensus on the optimal operative technique for humeral shaft fractures. This meta-analysis aims to compare minimal-invasive plate osteosynthesis (MIPO) with open reduction internal fixation (ORIF) for humeral shaft fractures regarding non-union, re-intervention, radial nerve palsy, time to union, operation duration and functional outcomes. PubMed/Medline/Embase/CENTRAL/CINAHL were searched for both randomized clinical trials (RCT) and observational studies comparing MIPO with ORIF for humeral shaft fractures. Effect estimates were pooled across studies using random effects models and presented as weighted odds ratio (OR), risk difference (RD), mean difference (MD) and standardized mean difference (SMD) with corresponding 95% confidence interval (95%CI). Subgroup analysis was performed stratified by study design (RCTs and observational studies). A total of two RCT's (98 patients) and seven observational studies (263 patients) were included. The effect estimates obtained from observational studies and RCT's were similar in direction and magnitude. MIPO carries a lower risk for non-union (RD: 5%; OR 0.3, 95% CI 0.1-0.9) and secondary radial nerve palsy (RD 5%; OR 0.3, 95%CI 0.1- 0.9). Nerve function eventually restored spontaneously in all patients in both groups. Results were inconclusive regarding re-intervention (RD 7%; OR: 0.7, 95%CI 0.2-1.9), infection (RD 4%; OR 0.4, 95%CI 0.1-1.5), time to union (MD -1 week, 95%CI -3 - 1) and operation duration (MD -13 minutes, 95%CI -38.9 - 11.9). Functional shoulder scores (SMD 0.01, 95%CI -0.3 - 0.3) and elbow scores (SMD 0.01, 95%CI -0.3 - 0.3) were similar for the different operative techniques. MIPO has a lower risk for non-union than ORIF for the treatment of humeral shaft fractures. Radial nerve palsy secondary to operation is a temporary issue resolving in all patients in both treatment groups. Although both treatment options are viable, the general balance leans towards MIPO having more favorable outcomes. Copyright © 2020 Elsevier Ltd. All rights reserved.

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