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KMID : 0603120110200010018
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Journal of the Korean Microsurgical Society
2011 Volume.20 No. 1 p.18 ~ p.25
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A Comparative Study of Range of Motion With or Without Distal Interphalangeal Joint Fixation in Replantation of the Amputated Fingertips
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Han Seung-Kyu
Roh Si-Young
Kim Jin-Soo
Lee Dong-Chul
Ki Sae-Hwi
Yang Jae-Won
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Abstract
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Purpose: In the process of replantation of the amputated fingertips, the primary concern was given to survival of the amputees, while the functional aspect of digits after the surgery has been easily neglected. Although an internal fixation with a K-wire is often a part of replantation of the amputated fingertips, little consideration had been given to the study of relationship between distal interphalangeal joint fixation and post operative range of motion. A comparative study in relation to post operative range of motion was done on two different groups, one group with K-wire insertion and the other group without a K-wire insertion at the distal interphalangeal joint.
Materials and Methods: The study was done on the cases of a single digit amputation conducted at our institute (the age in the range of 10 to 60) in about four-year of time span from March of 2005 to March of 2009. The cases with a thumb replantation, osteomyelitis or articular surface injury have been excluded from this study. The cases of both head and shaft fracture, except the insertion site of tendon, of distal phalanx of internal fixation with a single K-wire were reviewed for this study. A group of 24 cases without distal interphalangeal joint fixation in comparison to a group of 22 cases with distal interphalangeal joint fixation was reviewed to assess the postoperative range of motion at distal interphalangeal joint on the 6th week after the surgery. And, on the 30th month after the surgery, a group of 10 cases without distal interphalangeal joint fixation in comparison to a group of 10 cases with joint fixation was reviewed. A K-wire was removed in about 5 weeks after the fracture was reunited under the radiographic image, immediately followed by a physical therapy.
Result: The active range of motion for a group without interphalangeal joint fixation was measured 49.0˚on average, while 28.6˚was measured for a group with interphalengeal fixation on the 6th week after the surgery. On the 30th month after the surgery, the active range of motion was measured 52.0˚and 55.0˚on average for a group without and with interphalangeal fixation respectively.
Conclusion: In the process of replantation of the amputated fingertips, short-term(on the 6th week) improvement of postoperative active motion of range can be expected in the cases without distal interphalangeal fixation in comparison to the cases of interphalangeal joint fixation with a K-wire. However, there seems to be no difference on motion of range in a long-term (on the 30th month) follow up period.
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KEYWORD
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Distal interphalangeal joint, Fingertip replantation, Range of motion, K-wire
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