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. 2023 Aug 31;13:14330. doi: 10.1038/s41598-023-41698-x

Table 5.

Related reports on pseudo ALT fractures.

Authors Year Mechanism of occurrence Treatment
Van Houwelingen and Duncan7 2011 Non-cemented stem displaced under load with an unrecognised intraoperative fracture; may occur during rehabilitation Longer stem revision and cerclage cable fixation
Capello et al.8 2014 An unrecognised intraoperative fracture Geometry of the tapered stem

6 treated with ORIF;

3 treated without surgery

Huang et al.15 2018 Proximal loosening of femoral prosthesis and poor-quality bone bed Longer stem revision and internal fixation
Karam et al.16 2020 Anatomical and wedge design non-cemented stems Revision and cerclage wire fixation
González-Martín, et al.17 2022 Longer stem revision and internal fixation
Egrise et al.9 2022 An occult intraoperative fracture

9 VB-LT1 (without subsidence) and 6 VB-LT2 in poor health treated nonoperatively;

13 VB-LT2 (with subsidence) with stem exchange and cerclage;

3 with isolated stem exchange;

2 with internal fixation by cerclage

ORIF, open reduction and internal fixation.