Biomechanical Comparison of Antegrade and Retrograde Nailing of Humeral Shaft Fracture

Lin, Jinn; Inoue, Nozomu; Valdevit, Antonio; Hang, Yi‐Shiong; Hou, Sheng; Chao, Edmund Y.S.

doi:10.1097/00003086-199806000-00025

Cited by 68 publications

(64 citation statements)

References 25 publications

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“…The calculated mean ML/AP rigidity ratio was approximately 0.7 for Lin et al [28], 1.1 for the current study, 1.33 for the fourth (December 2011): pg. 1169-1176.…”

Section: Table 1 Literature Review Of Adult Human Humerus Materials Psupporting

confidence: 45%

Mechanical characterization of fourth generation composite humerus

Grover

Albert

Wang

et al. 2011

Proc Inst Mech Eng H

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Abstract:Mechanical data on upper extremity surrogate bones, supporting use as biomechanical tools, is limited. The objective of this study was to characterize the structural behavior of the fourth generation composite humerus under simulated physiologic bending, specifically, stiffness, rigidity, and middiaphysial surface strains. Three humeri were tested in four-point bending, in anatomically defined anteroposterior(AP) and mediolateral(ML) planes. Stiffness and rigidity were derived using load-displacement data. Principal strains were determined at the anterior, posterior, medial and lateral surfaces in the humeral mid-diaphysial transverse plane of one specimen using stacked rosettes. Linear structural behavior was observed within test range. Average stiffness and rigidity were greater in the ML (918+18 N/mm; 98.4+1.9 Nm 2 ) than the AP plane (833+16 N/mm; 89.3+1.6 Nm 2 ), with little interspecimen variability. The ML/AP rigidity ratio was 1.1. Surface principal strains were similar at the anterior (5.41 /N) and posterior (5.43 /N) gauges for AP bending, and comparatively less for ML bending, i.e., 5.1 and 4.5 /N, at the medial and lateral gauges, respectively. The study provides novel strain and stiffness data for the fourth generation composite humerus, and adds to published construct rigidity data. Results support use of this composite bone as a tool for modeling and experimentation.

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“…The calculated mean ML/AP rigidity ratio was approximately 0.7 for Lin et al [28], 1.1 for the current study, 1.33 for the fourth (December 2011): pg. 1169-1176.…”

Section: Table 1 Literature Review Of Adult Human Humerus Materials Psupporting

confidence: 45%

Mechanical characterization of fourth generation composite humerus

Grover

Albert

Wang

et al. 2011

Proc Inst Mech Eng H

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“…Furthermore, most of the structural properties of the cadaveric humeri data were limited to the elastic properties and the ultimate properties. Lin et al 6 examined 14 male and 10 female cadavers with a mean age of 74 years (range: 46-98 years), and found the AP and ML flexural rigidity to be 130.6 ± 56.4 and 118.4 ± 55.4 Nm 2 , respectively. When compared to the mean AP flexural rigidity of the Fourth-Generation specimens, this appears to be 35% less stiff than that of a human humeri, and the difference for the ThirdGeneration humeri was even greater at 55%.…”

Section: Discussionmentioning

confidence: 99%

“…Lin et al 6 used humeri with lengths ranging from 30 to 36 cm, and concluded that the high variability of bone quality among the specimens used caused the wide standard deviation of the test results, since their investigation included osteoporotic bones. Further, Sabick et al 7 concluded that the human peak humeral axial torque reached a mean value of 92 ± 16 Nm near the time of maximum shoulder external rotation at the end of the cocking phase in a throwing motion.…”

Section: Discussionmentioning

confidence: 99%

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Structural Properties of a Novel Design of Composite Analogue Humeri Models

Dunlap

Chong²,

Lucas

et al. 2008

Ann Biomed Eng

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“…Using cadaveric humeri, Lin et al [17] have shown that inferior fi xation rigidity in antegrade nailing of distal fractures should include antegrade nailing for proximal fractures and retrograde nailing for distal fractures. Unfortunately, the Russell and Taylor nail has only one locking screw at both ends, so unless the fracture is properly impacted, there would be movement pivoting around the anteroposterior distal locking screw.…”

Section: Discussionmentioning

confidence: 99%

The Use of Locked Nails in the Treatment of Humeral Shaft: Delayed Union and Nonunion

Mukaimi¹,

Mokhtar²,

Nass³

2005

Med Princ Pract

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Objectives: To assess the results and clinical outcome of delayed union and nonunion humeral shaft treatment using locked medullary nails. Subjects and Methods: The Russel and Taylor humeral locking nail was used to treat 21 patients with humeral shaft fractures at Al Razi hospital, Kuwait, from 1997 to 2001. Of these, 8 had delayed union and 13 nonunion. Also, 13 had previous operative treatment, while 8 had nonoperative treatment. Antegrade nailing was done in all cases, and all nails were fixed statically. Autogenous iliac bone grafts were used in 17 cases. Results: Of the 21 cases of fractures, 19 were united. Only 2 cases had persistent nonunion. Eighteen cases had satisfactory shoulder function, and 3 lost shoulder abduction between 40 and 65 degrees. Conclusion: Our data showed that humeral locked nails can achieve satisfactory clinical results in treating humeral shaft delayed unions and nonunions.

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Biomechanical Comparison of Antegrade and Retrograde Nailing of Humeral Shaft Fracture

Cited by 68 publications

References 25 publications

Mechanical characterization of fourth generation composite humerus

Mechanical characterization of fourth generation composite humerus

Structural Properties of a Novel Design of Composite Analogue Humeri Models

The Use of Locked Nails in the Treatment of Humeral Shaft: Delayed Union and Nonunion

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