Long-Term Durability of the CLS Femoral Prosthesis in Patients with Osteonecrosis of the Femoral Head

Su Il Han; Ji Ho Lee; Jun Woo Kim; Chang Wug Oh; Shin Yoon Kim

doi:10.1016/j.arth.2012.09.017

Long-Term Durability of the CLS Femoral Prosthesis in Patients with Osteonecrosis of the Femoral Head

Su Il Han
, Ji Ho Lee
, Jun Woo Kim
, Chang Wug Oh
, Shin Yoon Kim

Department of Medicine

Daegu Woori Hospital
Semyeon Christianty Hospital
Kyungpook National University

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

Ninety-five hips with cementless wedge-shaped tapered CLS stem were evaluated with a mean duration of 12.7. years (range, 10.7-17.3. years). All patients were young and diagnosed with osteonecrosis of the femoral head. The Harris hip score was 92 at the latest follow-up. A subsidence greater than 3. mm was found in 3 hips (3.2%). Focal femoral osteolysis was found in 12 hips (12.6%). Endosteal bone formation and bony pedestal were observed in 94 hips (98.9%) and in 26 hips (27.4%), respectively. With revision for stem loosening as the end point, the survivorship showed 98.9% (95% CI, range 96.9%-100%) at 13. years. Stem alignment and proximal femur morphology did not influence loosening of the stem (p> 0.05).

Original language	English
Pages (from-to)	828-831
Number of pages	4
Journal	Journal of Arthroplasty
Volume	28
Issue number	5
DOIs	https://doi.org/10.1016/j.arth.2012.09.017
State	Published - May 2013

Keywords

CLS stem
Osteonecrosis stem alignment
Proximal femur morphology
Total hip arthroplasty

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title = "Long-Term Durability of the CLS Femoral Prosthesis in Patients with Osteonecrosis of the Femoral Head",

abstract = "Ninety-five hips with cementless wedge-shaped tapered CLS stem were evaluated with a mean duration of 12.7. years (range, 10.7-17.3. years). All patients were young and diagnosed with osteonecrosis of the femoral head. The Harris hip score was 92 at the latest follow-up. A subsidence greater than 3. mm was found in 3 hips (3.2\%). Focal femoral osteolysis was found in 12 hips (12.6\%). Endosteal bone formation and bony pedestal were observed in 94 hips (98.9\%) and in 26 hips (27.4\%), respectively. With revision for stem loosening as the end point, the survivorship showed 98.9\% (95\% CI, range 96.9\%-100\%) at 13. years. Stem alignment and proximal femur morphology did not influence loosening of the stem (p> 0.05).",

keywords = "CLS stem, Osteonecrosis stem alignment, Proximal femur morphology, Total hip arthroplasty",

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year = "2013",

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AU - Han, Su Il

AU - Lee, Ji Ho

AU - Kim, Jun Woo

AU - Oh, Chang Wug

AU - Kim, Shin Yoon

PY - 2013/5

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N2 - Ninety-five hips with cementless wedge-shaped tapered CLS stem were evaluated with a mean duration of 12.7. years (range, 10.7-17.3. years). All patients were young and diagnosed with osteonecrosis of the femoral head. The Harris hip score was 92 at the latest follow-up. A subsidence greater than 3. mm was found in 3 hips (3.2%). Focal femoral osteolysis was found in 12 hips (12.6%). Endosteal bone formation and bony pedestal were observed in 94 hips (98.9%) and in 26 hips (27.4%), respectively. With revision for stem loosening as the end point, the survivorship showed 98.9% (95% CI, range 96.9%-100%) at 13. years. Stem alignment and proximal femur morphology did not influence loosening of the stem (p> 0.05).

AB - Ninety-five hips with cementless wedge-shaped tapered CLS stem were evaluated with a mean duration of 12.7. years (range, 10.7-17.3. years). All patients were young and diagnosed with osteonecrosis of the femoral head. The Harris hip score was 92 at the latest follow-up. A subsidence greater than 3. mm was found in 3 hips (3.2%). Focal femoral osteolysis was found in 12 hips (12.6%). Endosteal bone formation and bony pedestal were observed in 94 hips (98.9%) and in 26 hips (27.4%), respectively. With revision for stem loosening as the end point, the survivorship showed 98.9% (95% CI, range 96.9%-100%) at 13. years. Stem alignment and proximal femur morphology did not influence loosening of the stem (p> 0.05).

KW - CLS stem

KW - Osteonecrosis stem alignment

KW - Proximal femur morphology

KW - Total hip arthroplasty

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ER -

Long-Term Durability of the CLS Femoral Prosthesis in Patients with Osteonecrosis of the Femoral Head

Abstract

Keywords

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