The Journal of Bone and Joint Surgery 82:1260 (2000)
© 2000 The Journal of Bone and Joint Surgery, Inc.
Semiconstrained Total Elbow Arthroplasty for Ankylosed and Stiff Elbows*
P. Mansat, M.D. and
B. F. Morrey, M.D.
Investigation performed at the Department of Orthopedic Surgery,
Mayo Clinic and Mayo Foundation, Rochester, Minnesota
*One or more of the authors has received or will receive benefits
for personal or professional use from a commercial party related
directly or indirectly to the subject of this article. No funds
were received in support of this study.
Service d'Orthopédie et Traumatologie, Hôpital Universitaire
de Toulouse-Purpan, Place du Dr Baylac, 31059, Toulouse, France.
Department of Orthopedic Surgery, Mayo Clinic, 200 First Street
S.W., Rochester, Minnesota 55905.
Background: Total elbow arthroplasty can
be a valuable option for the treatment of ankylosed or very stiff
elbows.
Methods: A semiconstrained total elbow arthroplasty
was performed in thirteen patients (fourteen elbows) with a preoperative
range of elbow motion of 30 degrees or less. Nine elbows were fused
or ankylosed preoperatively. The mean age at the time of the surgery
was fifty years (range, twenty-four to seventy-nine years). The
etiology of the stiffness was trauma for eleven elbows, juvenile
rheumatoid arthritis for two, and rheumatoid arthritis for one.
Results: After a mean duration of follow-up
of sixty-three months, the result was excellent for four elbows, good
for four, fair for one, and poor for five, according to the Mayo
elbow performance score. The mean arc of flexion improved from 7
degrees (range, 0 to 30 degrees) preoperatively to 67 degrees (range,
10 to 115 degrees) after the surgery. The most important factor
that influenced the final result was the presence of ectopic bone
surrounding the elbow joint. There were seven complications. Infection
developed in five elbows. Three elbows had a superficial infection,
which did not compromise the final result in two and which was treated
with a myocutaneous flap in one with skin necrosis, with an excellent
result. Deep infection developed in two other elbows. Both had an
unsatisfactory result, one after implant removal and one after several
dÈbridements and retention of the prosthesis. Two patients sustained
a fracture because of a loose component, and the prosthesis was
revised. Four patients who lost motion within the first month following
the surgery had a manipulation under anesthesia.
Conclusions: Semiconstrained total elbow arthroplasty
is a useful option for patients with an ankylosed or a very stiff
elbow and results in a considerable improvement of motion. Because
of the nature of the underlying pathology, complications, including reoperation,
are frequent, but the risk can be lessened by careful preoperative
planning and surgical technique. Replacement is the preferred option
in patients who are more than sixty years of age, but it is also
a good choice in younger patients if there is no other viable option.

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