Journal of Musculoskeletal Trauma

Comparison of Reductions of Left and Right Proximal Portions of Intertrochanteric Fractures Treated by Intramedullary Nailing: Hyun Cheol Oh, Joong Won Ha, Yung Park, Sang Hoon Park, Han Kook Yoon; J Korean Fract Soc 2021;34(2):64-70. Published online April 30, 2021; DOI: https://doi.org/10.12671/jkfs.2021.34.2.64

Purpose
This study examined the effect of lag screw insertion on proximal fragments by separating the right and left sides of intertrochanteric fractures in elderly patients that underwent intramedullary nailing.
Materials and Methods
Patients aged ≥65 years that underwent intramedullary nailing after a diag-nosis of intertrochanteric fractures during the period February 2012 to May 2016 were included in the study. The subjects were divided into right and left side groups. The effect of the clockwise rotational force generated when a lag screw was inserted on the proximal fragment was evaluated in both groups.
Results
In the right and left groups, most proximal fragments were located in the intramedullary canal after surgery (45 cases [75.0%] and 67 cases [73.6%], respectively). Clockwise rotation due to lag screw placement in the right group occurred in two cases (3.3%), which both showed internal rotation, and in four cases (4.4%) in the left group, all of which showed external rotation.
Conclusion
After intramedullary nailing of intertrochanteric fractures in elderly patients, proximal fragments were mostly located in the intramedullary cavity. The results obtained confirmed that the clockwise rotational force generated by lag screw insertion did not affect left or right sides.

Citations

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Which side should be taken care of when positioning a lag screw in intertrochanteric femoral fracture: right or left?
Min Uk Do, Kyeong Baek Kim, Sang-Min Lee, Hyun Tae Koo, Won Chul Shin
European Journal of Trauma and Emergency Surgery.2025;[Epub] CrossRef
Midterm Outcomes of Intramedullary Fixation of Intertrochanteric Femoral Fractures Using Compression Hip Nails: Radiologic and Clinical Results
You-Sung Suh, Jae-Hwi Nho, Min Gon Song, Dong Woo Lee, Byung-Woong Jang
Clinics in Orthopedic Surgery.2023; 15(3): 373. CrossRef

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Intrapelvic Penetration of Lag Screw in Proximal Femoral Nailing: A Case Report: Jung Woo Lee, Hong Man Cho, Jae Woong Seo; J Korean Fract Soc 2017;30(4):203-208. Published online October 31, 2017; DOI: https://doi.org/10.12671/jkfs.2017.30.4.203

Abstract PDF

Hip fractures are common among elderly individuals. Internal fixation with the intramedullary system has been widely used to treat intertrochanteric femur fractures. The Gamma 3 nail is a useful device for fixating trochanteric fractures of the proximal femur. We report a rare complication of medial pelvic penetration of the lag screw of a Gamma 3 nail two months after surgery. There was a complete separation between the nail body and lag screw, and the lag screw penetrated through the acetabulum into the pelvis. We report a case of unstable intertrochanteric fracture with intrapelvic penetration after surgical treatment with proximal femoral nailing and a case followed by fatal results.

Citations

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Medial lag screw migration in an intramedullary nail combination
Zac Dragan, Ryan J Campbell, Terence R Moopanar
BMJ Case Reports.2025; 18(3): e262436. CrossRef
Endovascular assisted removal of intrapelvic lag screw after intramedullary proximal femoral nail: A case report and literature review
Zakaria Mousati, Mathias Van Den Broek, Joren Callaert, Jan Gielis, Kris Govaers
Trauma Case Reports.2023; 46: 100873. CrossRef
Intrapelvic migration of the lag screw in intramedullary nailing after intertrochanteric fracture fixation: A case report
Aymen Ben Fredj, Hedi Rbai, Fourat Farhat, Marouen Berriri
Clinical Case Reports.2022;[Epub] CrossRef
Intramedullary nailing confers an increased risk of medial migration compared to dynamic hip screw fixation in unstable intertrochanteric hip fractures
Gin Way LAW, Yoke Rung WONG, Antony GARDNER, Yau Hong NG
Injury.2021; 52(11): 3440. CrossRef
Medial migration in cephalomedullary nail fixation of pertrochanteric hip fractures
G. W. Law, Y. R. Wong, A. K-S. Yew, A. C. T. Choh, J. S. B. Koh, T. S. Howe
Bone & Joint Research.2019; 8(7): 313. CrossRef
Intrapelvic Migration of the Lag Screw with Wedge Wing from Dyna Locking Trochanteric Nail: A Case Report and Literature Review
Yong-Woo Kim, Weon-Yoo Kim, Kyong-Jun Kim, Se-Won Lee
Hip & Pelvis.2019; 31(2): 110. CrossRef

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Operative Treatment of the Type I and II Tibial Plateau Fracture: Jong Woong Park, Sung Kon Kim, Jung Ho Park, Joon Seok Hong, Jae Hun Kim; J Korean Soc Fract 2001;14(2):298-304. Published online April 30, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.2.298

Abstract PDF: PURPOSE
To know the functional and radiologic results of the operative treatment for the type I and II tibial plateau fractures according to the methods of internal fixations.
MATERIALS AND METHODS
Twenty-six patients, who had been treated with open reduction and internal fixation for the type 1 or 2 tibial plateau fractures were evaluated. Twelve cases of type 1 fractures were fixated with 1 lag screw in 5, 2 lag screws in 4 and buttress plate in 3. Fourteen cases of type 2 fractures were fixated with 1 lag screw in 4, 2 lag screws in 6 and buttress plate in 4. The criteria of Hohl and Porter was used for the evaluation of the clinical and radiological results.
RESULTS
There was no significant difference in the clinical result in type 1 and 2 tibial plateau fractures according to the methods of fixations. And the radiological results were not significantly different in both of type 1 and 2 fractures.
CONCLUSION
If the anatomical reduction of the articular surface can be achieved, the methods of fixation for the type 1 and 2 tibial plateau fractures do not affect the final clinical and radiological results.

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The biomechanical Study on the Extraction Strengths of Iliosacral Lag Screws: Poong Taek Kim, Chang Wug Oh, Joo Chul Ihn, Jun Dae Kwun; J Korean Soc Fract 2000;13(4):696-701. Published online October 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.4.696

Abstract PDF

PURPOSE
The purpose of this study is for the rigid fixation of the pelvic ring by quantifying and comparing the extraction strength of cancellous screws in the sacral ala and body.
MATERIALS AND METHODS
Six cadaveric human pelvis were obtained for test of the extraction strengths of three groups of 7.0mm cannulated cancellous screws: shortthreaded in the sacral ala, short-threaded in the sacral body, long-threaded in the sacral body. The extraction strengths of these groups were compared with each other.
RESULTS
The mean extraction strengths of short-threaded screws in the sacral ala, short-threaded screws in the sacral body and long-threaded screws in the sacral body were 10.26N, 25.85N and 48.37N respectively. The mean extraction strength of the long-threaded screws in the body was significantly greater than that of the shortthreaded screws in the ala and body. The mean extraction strength of the short-threaded screws in the body was greater than that of the short-threaded screws in the ala, but insignificant statistically.
CONCLUSION
In choosing iliosacral lag screws to stabilize the posterior pelvic ring disruption, superior fixation is achieved by inserting the long-threaded screw in the sacral body.

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Crescent Fracture-dislocation of Sacroiliac Joint: Affecting Factors of Operative Results
Hee-Soo Kim, Chang-Wug Oh, Poong-Taek Kim, Young-Soo Byun, Joo-Woo Kim, Byung-Chul Park, Woo-Kie Min, Hyun-Joo Lee
Journal of the Korean Fracture Society.2009; 22(2): 71. CrossRef

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