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Published in: European Journal of Trauma and Emergency Surgery 1/2023

01-08-2022 | Original Article

Risk factors for hardware-related complications after extra-articular distal humerus fracture fixation using an anatomical locking plate

Authors: Hyoung-Seok Jung, Yoo-Sun Won, Yang-Seon Choi, Jae-Sung Lee

Published in: European Journal of Trauma and Emergency Surgery | Issue 1/2023

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Abstract

Purpose

We aimed to identify the incidence and risk factors of hardware-related complications in patients treated with anatomical locking plate fixation for extra-articular distal humerus fractures.

Methods

From 2013 to 2020, patients with extra-articular distal humerus fractures who underwent open reduction and internal fixation with an extra-articular distal humerus locking plate (EADHP) were retrospectively reviewed and categorized according to the presence/absence of hardware-related complications. Hardware-related complications were defined as the occurrence of skin prominence on the plate and discomfort in activities of daily living. Patient demographics, the lateral condylar angle, lateral body length, shaft-condylar angle of the humerus, and plate length were analyzed.

Results

Of the 29 patients, 10 (34%) did not develop hardware-related complications (group A), whereas 19 (66%) did (group B). Patient demographics did not differ between the groups. However, the number of patients who underwent hardware removal was significantly greater in group B (16/19) than in group A (4/10; p = 0.032). Radiologic assessment revealed no significant difference in the lateral condylar or shaft-condylar angle. However, the lateral body length was greater in group A than in group B (44.5 ± 4.8 vs. 39.5 ± 3.7, p = 0.007). The plate length significantly differed between the groups. Twelve of 19 (63%) patients in group B received short-hole plates (six holes), while nine of ten (90%) patients in group A received long-hole plates (eight holes). In the multivariable analysis, the lateral body length of the distal humerus (p = 0.047, odds ratio = 0.734, 95% confidence interval: 0.542–0.996) and plate length (p = 0.036, odds ratio = 0.076, 95% confidence interval: 0.542–0.996) were associated with hardware-related complications.

Conclusions

Most patients developed hardware-related complications, particularly with short plates, mainly because of the narrow lateral body length of the distal humerus. Surgeons should be careful to secure EADHP in the appropriate position, especially when short plates are used in patients with narrow lateral body length.
Literature
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go back to reference Ekholm R, Adami J, Tidermark J, Hansson K, Törnkvist H, Ponzer S. Fractures of the shaft of the humerus an epidemiological study of 401 fractures. J Bone Joint Surg Br. 2006;88(11):1469–73.CrossRefPubMed Ekholm R, Adami J, Tidermark J, Hansson K, Törnkvist H, Ponzer S. Fractures of the shaft of the humerus an epidemiological study of 401 fractures. J Bone Joint Surg Br. 2006;88(11):1469–73.CrossRefPubMed
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go back to reference Ali N, Ahmad Mir N, Ahmad Dar T, Nawaz Rather M, Ahmad Mir W, S S, et al. Outcome of extra-articular distal humerus fractures fixed by single column extra-articular distal humerus locking compression plate using triceps sparing postero-lateral approach. Bull Emerg Trauma. 2018;6(4):306–12.CrossRefPubMedPubMedCentral Ali N, Ahmad Mir N, Ahmad Dar T, Nawaz Rather M, Ahmad Mir W, S S, et al. Outcome of extra-articular distal humerus fractures fixed by single column extra-articular distal humerus locking compression plate using triceps sparing postero-lateral approach. Bull Emerg Trauma. 2018;6(4):306–12.CrossRefPubMedPubMedCentral
Metadata
Title
Risk factors for hardware-related complications after extra-articular distal humerus fracture fixation using an anatomical locking plate
Authors
Hyoung-Seok Jung
Yoo-Sun Won
Yang-Seon Choi
Jae-Sung Lee
Publication date
01-08-2022
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Trauma and Emergency Surgery / Issue 1/2023
Print ISSN: 1863-9933
Electronic ISSN: 1863-9941
DOI
https://doi.org/10.1007/s00068-022-02064-0

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