An Analysis of the Structures at Risk from Percutaneous Pinning of Distal Radius Fractures and a Comparison of Two Pinning Techniques: A Cadaveric Study

被引:0
|
作者
Kamble, Prashant [1 ,2 ]
Prabhakar, Akil S. [1 ,2 ]
Mohanty, Shubhranshu S. [1 ,2 ]
Prabhu, Rudra M. [1 ,2 ]
Keny, Swapnil [1 ,2 ]
Panchal, Sameer [3 ]
机构
[1] Seth GS Med Coll, Dept Orthopaed, Mumbai, Maharashtra, India
[2] King Edward Mem Hosp, Bombay, Maharashtra, India
[3] Sir HN Reliance Fdn Hosp & Res Ctr, Dept Orthopaed, Mumbai, Maharashtra, India
来源
JOURNAL OF HAND SURGERY-ASIAN-PACIFIC VOLUME | 2022年 / 27卷 / 05期
关键词
Superficial radial nerve injury; Percutaneous pinning; Distal radius fracture; K-wire; Tendon injury; KIRSCHNER-WIRE PLACEMENT; SUPERFICIAL BRANCH; NERVE;
D O I
10.1142/S2424835522500850
中图分类号
R61 [外科手术学];
学科分类号
摘要
Background: A stab incision and blunt dissection prior to wire placement are believed to decrease the risk of injury to underlying structures during percutaneous pinning of distal radius fractures (DRF). However, only a few studies have compared stab incision and blunt dissection to direct wire placement. The aim of this cadaveric study is to analyse the structures at risk during percutaneous pinning of DRF and compare the two methods of wire placement. Methods: A total of 10 cadavers (20 upper limbs) were divided into two groups of five each. Five 2.0 mm Kirschner (K)-wires were inserted into the distal radius under fluoroscopic control in a standard fashion to simulate percutaneous pinning of DRF. In group 1, the K-wires were inserted directly, whereas in group 2, the wires were inserted after making a stab incision and blunt dissection to reach the bone. Each cadaveric limb was then dissected carefully to measure the distance of the K-wires from the branches of the superficial radial nerve (SRN), the cephalic vein and the first dorsal compartment and to determine the structures injured (pierced or in close contact) by the K-wires. Results: Out of the 100 K-wires placed, 18 wires were in close contact or pierced an underlying structure. These included 11 wires injuring tendons, six wires injuring branches of the SRN and one wire injuring the cephalic vein. Direct wire placement (group 1) resulted in injury to eight structures (44.4%) while stab incision and blunt dissection prior to wire placement (group 2) resulted in injury to 10 structures (55.5%). This difference was not statistically significant. Conclusions: Percutaneous pinning of OAF is associated with a high risk of injury to the extensor tendons and branches of the SRN. This risk is not reduced by making a stab incision and blunt dissection prior to K-wire placement.
引用
收藏
页码:772 / 781
页数:10
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