Journal of Musculoskeletal Trauma

Factors Affecting Posterior Angulation in Retrograde Intramedullary Nailing for Distal Femoral Fractures: Hohyoung Lee, Ji Ho Jeong, Min Su Kim, Bum Soo Kim; J Korean Fract Soc 2018;31(2):50-56. Published online April 30, 2018; DOI: https://doi.org/10.12671/jkfs.2018.31.2.50

Abstract PDF: PURPOSE
To analyze the factors that cause a posterior angulatory deformity in the retrograde intramedullary nailing of distal femoral fractures.
MATERIALS AND METHODS
Fifty-five patients with distal femur fractures who were treated with retrograde intramedullary nailing were enrolled in this study. They were followed-up for at least one year postoperatively. The posterior angulatory deformity was evaluated according to the fracture location, pattern, and insertion point and the insertion point was compared with the ideal point derived from the radiographs of 100 normal adults. The correlation between the posterior angulation and the entry point of the nail was analyzed.
RESULTS
The posterior angulation was similar in terms of the fracture location; a meaningful difference was noted among the fracture patterns (p=0.047). The posterior angulation was significantly greater when the entry point was located more posteriorly, accepting a malreduced state (p=0.012).
CONCLUSION
Posterior angulation was smaller in the transverse fracture and the posterior location of the entry point from the apex of the Blumensaat's line increased the posterior angulation.

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Breakage of Reamer during Tibia Intramedullary Nailing: A Case Report: Ho Yoon Kwak, Jin Su Kim, Ki Won Young, Joo Won Joh, Sae Min Hwang; J Korean Fract Soc 2013;26(4):333-337. Published online October 31, 2013; DOI: https://doi.org/10.12671/jkfs.2013.26.4.333

The reamer crack, followed by breakage at its distal part occurred during intramedullary nailing of tibial shaft fracture. The broken reamer was trapped in the intramedullary canal, making it very difficult to pull out. We successfully extracted the broken reamer by retrograde impaction through the fracture site and completed intramedullary nailing procedure. Thus, we present this case with a review of the literature.

Citations

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Clamshell Corticotomy: A Technique to Address Challenges of Narrow Medullary Canal during Intramedullary Nailing of Tibial Shaft Fracture Fixation
Ranjith Kumar Yalamanchili, Deepankar Satapathy, Deepak Kumar Maley, Syed Ifthekar, Maheshwar Lakkireddy
Journal of West African College of Surgeons.2025;[Epub] CrossRef
A novel technique for retrieval of a broken flexible reamer during proximal femur nailing: A case report and review of the literature
Gowtham Sushruth, Sudhir Shankar Mane, Murali Krishna
Journal of Orthopaedic Reports.2025; : 100691. CrossRef
‘Extended tibia osteotomy’: a technical tip for removal of incarcerated reamer with broken guide wire bead during tibia nailing and literature review
Pulak Vatsya, Samarth Mittal, Aashraya Karpe, Vivek Trikha
BMJ Case Reports.2022; 15(3): e247812. CrossRef
Removal of intra-operatively broken flexible reamer: An innovative use of jumbo cutter
Tankeshwar Boruah, Sapan Kumar, Mohit Kumar Patralekh, Shambhu Prashad, Vibash Chandra, Ijack Debbarma, Ramesh Kumar
Journal of Clinical Orthopaedics and Trauma.2019; 10(3): 620. CrossRef

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The Biomechanics of Hybrid External Fixator: The Effect of Periarticular Half Pin on Frame Stiffness: Jong Keon Oh, Duk Young Jung, In Su Kim; J Korean Soc Fract 2002;15(2):114-122. Published online April 30, 2002; DOI: https://doi.org/10.12671/jksf.2002.15.2.114

Abstract PDF: OBJECTIVES
The purpose of this study was to identify the biomechanical effect of periarticular half pin in the hybrid external fixator.
METHODS
Simulated tibial plateau fractures were created using a polyvinylchloride pipe. Seven frame configurations were tested : a four-ring Ilizarov frame, a hybrid frame with three wires on peri-articular fragment, hybrid frames with wires and half pins on peri-articular fragment by four different configurations, a hybrid frame constructed with multiple levels of fixation in the periarticular fragment. A materials testing machine was used to apply pure compression, anterior and posterior bending, medial and lateral bending, and torsion. Stiffness values were calculated from the load deformation and torque angle curves RESULTS: The overall stiffness of the hybrid frame was increased up to 30% by replacing a coronal tension wire with a half pin placed on the sagittal plane. The hybrid frame constructed with two wires and a half pin on the sagittal plane of the periarticular fragment showed overall stiffness compatible with that of multi-level peri-articular fixation frame.
CONCLUSION
Our results show that the half pin placed on the periarticular fragment can be a effective tool to increase the stiffness of hybrid external fixators in this periarticular tibia fracture model.

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