Midterm Results with the PFC Sigma Total Knee Arthroplasty System

David F. Dalury; Ricardo A. Gonzales; Mary Jo Adams; Thomas A. Gruen; Kathy Trier

doi:10.1016/j.arth.2007.03.039

Midterm Results with the PFC Sigma Total Knee Arthroplasty System

David F. Dalury, Ricardo A. Gonzales, Mary Jo Adams, Thomas A. Gruen, Kathy Trier

School of Medicine

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

32 Scopus citations

Abstract

We prospectively studied 207 consecutive patients (284 knees) undergoing total knee arthroplasty (June 1996 to December 1997) with a cemented tricompartmental Sigma PFC (DePuy Orthopaedics, Warsaw, Ind) total knee arthroplasty via a standard procedure (median follow-up, 87 months). Cruciate-retaining (272 knees, 96%) and cruciate-substituting (12, 4%) implants were used. There was one revision secondary to a ligament disruption after a fall. No implants were radiographically loose or at risk for loosening. Radiolucencies (none >2 mm or progressive) were shown on anteroposterior (7% of medial tibias) and lateral (17% of posterior femora) radiographs. Knee Society pain scores improved significantly (preoperative median, 20 points; postoperative median, 50 points [P < .001]). The PFC Sigma Knee system has excellent midterm durability.

Original language	English (US)
Pages (from-to)	175-181
Number of pages	7
Journal	Journal of Arthroplasty
Volume	23
Issue number	2
DOIs	https://doi.org/10.1016/j.arth.2007.03.039
State	Published - Feb 1 2008

Keywords

arthroplasty
knee
osteoarthritis
prosthesis design

ASJC Scopus subject areas

Orthopedics and Sports Medicine

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10.1016/j.arth.2007.03.039

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title = "Midterm Results with the PFC Sigma Total Knee Arthroplasty System",

abstract = "We prospectively studied 207 consecutive patients (284 knees) undergoing total knee arthroplasty (June 1996 to December 1997) with a cemented tricompartmental Sigma PFC (DePuy Orthopaedics, Warsaw, Ind) total knee arthroplasty via a standard procedure (median follow-up, 87 months). Cruciate-retaining (272 knees, 96%) and cruciate-substituting (12, 4%) implants were used. There was one revision secondary to a ligament disruption after a fall. No implants were radiographically loose or at risk for loosening. Radiolucencies (none >2 mm or progressive) were shown on anteroposterior (7% of medial tibias) and lateral (17% of posterior femora) radiographs. Knee Society pain scores improved significantly (preoperative median, 20 points; postoperative median, 50 points [P < .001]). The PFC Sigma Knee system has excellent midterm durability.",

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AU - Gonzales, Ricardo A.

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AU - Gruen, Thomas A.

AU - Trier, Kathy

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N2 - We prospectively studied 207 consecutive patients (284 knees) undergoing total knee arthroplasty (June 1996 to December 1997) with a cemented tricompartmental Sigma PFC (DePuy Orthopaedics, Warsaw, Ind) total knee arthroplasty via a standard procedure (median follow-up, 87 months). Cruciate-retaining (272 knees, 96%) and cruciate-substituting (12, 4%) implants were used. There was one revision secondary to a ligament disruption after a fall. No implants were radiographically loose or at risk for loosening. Radiolucencies (none >2 mm or progressive) were shown on anteroposterior (7% of medial tibias) and lateral (17% of posterior femora) radiographs. Knee Society pain scores improved significantly (preoperative median, 20 points; postoperative median, 50 points [P < .001]). The PFC Sigma Knee system has excellent midterm durability.

AB - We prospectively studied 207 consecutive patients (284 knees) undergoing total knee arthroplasty (June 1996 to December 1997) with a cemented tricompartmental Sigma PFC (DePuy Orthopaedics, Warsaw, Ind) total knee arthroplasty via a standard procedure (median follow-up, 87 months). Cruciate-retaining (272 knees, 96%) and cruciate-substituting (12, 4%) implants were used. There was one revision secondary to a ligament disruption after a fall. No implants were radiographically loose or at risk for loosening. Radiolucencies (none >2 mm or progressive) were shown on anteroposterior (7% of medial tibias) and lateral (17% of posterior femora) radiographs. Knee Society pain scores improved significantly (preoperative median, 20 points; postoperative median, 50 points [P < .001]). The PFC Sigma Knee system has excellent midterm durability.

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KW - knee

KW - osteoarthritis

KW - prosthesis design

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Midterm Results with the PFC Sigma Total Knee Arthroplasty System

Abstract

Keywords

ASJC Scopus subject areas

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