The Efficacy Analysis Of Surgical Treatment To Bony Mallet Finger

Objective: Bony mallet finger deformity is due to the strong contraction of the extensor tendon at the bottom of their only point of the distal phalanx based dorsal avulsion fracture, which caused the patient distal phalanx can not take the initiative dosal flexion and further formed in the flexion deformity of the distal interphalangeal joint. There are many ways of clinically surgical treatment to bony mallet finger, but it is controversial about which method is better. The purpose of this study is to try to provide a reliable and easy method for the surgical treatment to bony mallet finger.Methods: To Select 37 cases of patients with bony mallet finger who were treated in Shandong Traditional Chinese Medical Hospital from September 2013 to December 2014, including 28 males and 9 females; age from15 to 71 years old, with an average age of 38.7 years old. They are all closed force injuries or only minor skin abrasions, without any relevant treatment prior to admission; and all treated by opening miniature bone anchor under direct vision with Kirschner wire internal fixation method. The postoperative follow-up lasts 3-6 months with an average follow-up time 4.38 months and the result was evaluated according to the Crawford evaluation criteria.Results: By evaluating many indicators according to Crawford evaluation criteria, there were excellent for 23 cases, good for 11 cases, ok for 3 cases and poor for 0casesduringthe37casesofpatientswithbonymalletfingerwithagoodrateof91.9%.Conclusion: The miniature bone anchor under direct vision with Kirschner wire internal fixation method has good clinical efficacy for bony mallet finger and it is worth clinical application.