Chinese Journal of Clinical Anatomy >
Anatomical observation on volar retrograde screw placement technique to treat wrist scaphoid fracture
Received date: 2014-04-02
Online published: 2015-02-12
Objective To compare the difference of damage inflicted on the blood supply to the scaphoid by retrograde and anterograde screw placement technique through cadaveric study, thus providing anatomical basis for the optimal approach of nail placement. Methods Five pairs of fresh frozen upper limbs (a total of 10) were randomly and equally divided into the control group (using the volar anterograde screw placement technique), the experimental group (the volar retrograde screw placement technique) simulated surgery was performed on the cadaver using the two different techniques. after the surgery, filling materials were injected into the arterial systems of the cadavers and dissection was carried out to observe the vascular conditions around the scaphoid. Results Through the anatomical study of the five pairs of fresh upper limbs, the surgical vision in the experimental group is clearer with more well-defined structures and less leakage of filling materials than that in the control group; also different tissues in the surgical field （P＜0.05）. Conclusion When compared with the volar anterograde screw placement technique, The volar retrograde screw placement technique inflicts a milder damage to the blood supply to qscaphoid, can maximum limit protection wrist scaphoid blood supply.
Key words： Scaphoid; Fracture; Retrograde; Screw; Placement technique
HONG Jia-Yuan , HU Wei-Jie , LIU Jiang , HUANG Li-Ping , WU Ning . Anatomical observation on volar retrograde screw placement technique to treat wrist scaphoid fracture [J]. Chinese Journal of Clinical Anatomy, 2015 , 33(1) : 9 -11 . DOI: 10.13418/j.issn.1001-165x.2015
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