Wheeless' Textbook of Orthopaedics
Wheeless' Textbook of Orthopaedics
C.R. Wheeless MD
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A comparison of primary and revision total knee arthroplasty using the
kinematic stabilizer prosthesis.Hanssen-AD; Rand-JA
Department of Orthopedics, Mayo Clinic, Rochester, Minnesota 55905.
J-Bone-Joint-Surg-Am. 1988 Apr; 70(4): 491-9
The first 121 arthroplasties (in 105 patients) in which the cemented
kinematic-stabilizer total knee prosthesis was used for primary
arthroplasty or surgical revision at the Mayo Clinic were reviewed.
Sixty-six patients (seventy-nine arthroplasties) were followed for a mean
of thirty-seven months. There were fifty-three revision and twenty-six
primary arthroplasties. The average range of motion in both groups
increased from 95 to 101 degrees. Although none of these patients could
ascend stairs without support before the operation, thirty-two (51 per
cent) could do so at the time of the final follow-up. The incidence of
moderate or severe pain was reduced from 86 to 6 per cent. Moderate or
severe ligamentous instability had been present in thirty-three knees (42
per cent) preoperatively, but only five knees had significant medial,
lateral, anterior, or posterior instability at final follow-up. The
Hospital for Special Surgery knee score increased from an average of 56
points to 83 points in all of the knees. At follow-up, the patients who
had had primary arthroplasty had 92 per cent good or excellent results and
the patients who had had surgical revision had 81 per cent good or
excellent results (p less than 0.05). There was no significant difference
in the results between the patients who had osteoarthritis and those who
had rheumatoid arthritis. Over-all, 85 per cent of the results were good
or excellent at final follow-up. Tibial radiolucent lines of one to two
millimeters were observed in 29 per cent of the knees at
follow-up.(ABSTRACT TRUNCATED AT 250 WORDS)
A comparison of primary and revision total knee arthroplasty using the
kinematic stabilizer prosthesis.Hanssen-AD; Rand-JA
Department of Orthopedics, Mayo Clinic, Rochester, Minnesota 55905.
J-Bone-Joint-Surg-Am. 1988 Apr; 70(4): 491-9
The first 121 arthroplasties (in 105 patients) in which the cemented
kinematic-stabilizer total knee prosthesis was used for primary
arthroplasty or surgical revision at the Mayo Clinic were reviewed.
Sixty-six patients (seventy-nine arthroplasties) were followed for a mean
of thirty-seven months. There were fifty-three revision and twenty-six
primary arthroplasties. The average range of motion in both groups
increased from 95 to 101 degrees. Although none of these patients could
ascend stairs without support before the operation, thirty-two (51 per
cent) could do so at the time of the final follow-up. The incidence of
moderate or severe pain was reduced from 86 to 6 per cent. Moderate or
severe ligamentous instability had been present in thirty-three knees (42
per cent) preoperatively, but only five knees had significant medial,
lateral, anterior, or posterior instability at final follow-up. The
Hospital for Special Surgery knee score increased from an average of 56
points to 83 points in all of the knees. At follow-up, the patients who
had had primary arthroplasty had 92 per cent good or excellent results and
the patients who had had surgical revision had 81 per cent good or
excellent results (p less than 0.05). There was no significant difference
in the results between the patients who had osteoarthritis and those who
had rheumatoid arthritis. Over-all, 85 per cent of the results were good
or excellent at final follow-up. Tibial radiolucent lines of one to two
millimeters were observed in 29 per cent of the knees at
follow-up.(ABSTRACT TRUNCATED AT 250 WORDS)