The Journal of Bone and Joint Surgery (American) 86:37-43 (2004)
© 2004 The Journal of Bone and Joint Surgery, Inc.
Midshaft Malunions of the Clavicle
Surgical Technique
Michael D. McKee, MD, FRCS(C)1,
Lisa M. Wild, BScN1 and
Emil H. Schemitsch, MD, FRCS(C)1
1 Upper Extremity Reconstructive Service, Division of Orthopaedics, Department
of Surgery, St. Michael's Hospital and the University of Toronto, 55 Queen
Street East, Suite 800, Toronto, ON M5C 1R6, Canada. E-mail address for M.D.
McKee:
mckeem{at}smh.toronto.on.ca
Investigation performed at the Upper Extremity Reconstructive Service,
Division of Orthopaedics, Department of Surgery, St. Michael's Hospital and
the University of Toronto, Toronto, Ontario, Canada
The original scientific article in which the surgical technique was
presented was published in JBJS Vol. 85-A, pp. 790-7, May 2003
The authors did not receive grants or outside funding in support of their
research or preparation of this manuscript. They did not receive payments or
other benefits or a commitment or agreement to provide such benefits from a
commercial entity. No commercial entity paid or directed, or agreed to pay or
direct, any benefits to any research fund, foundation, educational
institution, or other charitable or nonprofit organization with which the
authors are affiliated or associated.
BACKGROUND:
The purpose of this study was to analyze the functional results of
corrective osteotomy of a malunited clavicular fracture in patients with
chronic pain, weak ness, neurologic symptoms, and dissatisfaction with the
appearance of the shoulder.
METHODS:
We identified fifteen patients (nine men and six women with a mean age of
thirty-seven years) who had a malunion following nonoperative treatment of a
displaced midshaft fracture of the clavicle. The mean time from the injury to
presentation was three years (range, one to fifteen years). Outcome scores
revealed major residual deficits. The mean amount of clavicular shortening was
2.9 cm (range, 1.6 to 4.0 cm). All patients underwent corrective osteotomy of
the malunion through the original fracture line and internal fixation.
RESULTS:
At the time of follow-up, at a mean of twenty months (range, twelve to
forty-two months) post-operatively, the osteotomy site had united in fourteen
of the fifteen patients. All fourteen patients expressed satisfaction with the
result. The mean DASH (Disabilities of the Arm, Shoulder and Hand) score for
all fifteen patients improved from 32 points preoperatively to 12 points at
the time of follow-up (p = 0.001). The mean shortening of the clavicle
improved from 2.9 to 0.4 cm (p = 0.01). There was one nonunion, and two
patients had elective removal of the plate.
CONCLUSIONS:
Malunion following clavicular fracture may be associated with orthopaedic,
neurologic, and cosmetic complications. In selected cases, corrective
osteotomy results in a high degree of patient satisfaction and improves
patient-based upper-extremity scores.

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Canadian Orthopaedic Trauma Society
Nonoperative Treatment Compared with Plate Fixation of Displaced Midshaft Clavicular Fractures. A Multicenter, Randomized Clinical Trial
J. Bone Joint Surg. Am.,
January 1, 2007;
89(1):
1 - 10.
[Abstract]
[Full Text]
[PDF]
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