Evidence map›Paper›PMID 39303142›Full record

ArticleSICOT-J2024

The lesser trochanter profile is an accurate and reliable measure of femoral rotation for intramedullary nailing.

Jack Mao, Malik Al-Jamal, David Allen, Brandon W Henry, Tannor Court, Rahul Vaidya

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Article in SICOT-J, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Jack MaoWayne State University School of Medicine, Detroit, MI, USA.
Malik Al-JamalWayne State University School of Medicine, Detroit, MI, USA.
David AllenWayne State University School of Medicine, Detroit, MI, USA.
Brandon W HenryMichigan State University College of Osteopathic Medicine, East Lansing, MI, USA.
Tannor CourtWayne State University School of Medicine, Detroit, MI, USA - Department of Orthopaedic Surgery, Detroit Medical Center, Detroit, MI, USA.
Rahul VaidyaWayne State University School of Medicine, Detroit, MI, USA - Department of Orthopaedic Surgery, Detroit Medical Center, Detroit, MI, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe lesser trochanter profile (LTP) method is an intraoperative fluoroscopic technique that can assess the femoral version and limit malrotation. The purpose of this study was to directly assess the accuracy and reliability of the LTP method, as well as determine the incidence of malrotation produced by this technique.

methodsThree groups of observers (fellowship-trained orthopedic surgeons, orthopedic residents, and medical students) utilized the LTP method to replicate pre-imaged rotation angles on a cadaveric femur bone. Recorded outcomes include rotational error and number of attempts. Accuracy and interobserver reliability were assessed by rotational error and the interclass correlation coefficient (ICC), respectively.

resultsAccuracy was within 3° for all three groups. ICC between each group was greater than 0.99. There was no statistical difference between the accuracy of fellowship-trained surgeons, orthopedic residents, and medical students. Medical students on average required more attempts to obtain their final image compared to fellowship-trained surgeons. There was no statistical difference in the number of attempts between residents and fellowship-trained surgeons.

conclusionNone of the LTP measurements were greater than 15°, the clinical threshold for malrotation. The average error of the observers was less than 3°, demonstrating that the LTP is an effective method of assessing the femoral version. There was no statistically significant difference between the observers, indicating that this technique is reliable and easy to use. Ultimately, the LTP method is easily reproducible for surgeons to avoid femoral malrotation.

Indexed as

Femoral versionIntramedullary nailingLesser trochanter profileMalrotation

Identifiers

PMID39303142
PMCPMC11415034

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