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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 74 - 74
1 Apr 2018
Phruetthiphat O Gao Y Callaghan J
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Introduction

Fracture around the knee can lead to posttraumatic osteoarthritis (PTOA) of the knee. Malunion, malalignment, intra-articular osseous defects, retained internal fixation devices, and compromised soft tissues may affect the outcome of total knee replacement (TKR). On average, the posttraumatic patient subsets were 10.4 years younger than those for primary knee OA. Recently, there were several studies reporting the outcome of THA for posttraumatic OA hip. However, no current literature defines the comparative functional outcome between PTOA and primary OA knee.

The purpose of our study was to compare the midterm outcomes of patients undergoing TKR following periarticular knee fractures/ligamentous injuries versus primary osteoarthritis (PO) of the knee.

Materials and methods

Retrospective chart reviews of patients underwent TKR between 2008 and 2013 were identified. 136 patients underwent open reduction and internal fixation with plate and screws or ligament reconstruction while 716 patients were primary OA. Mean follow up time was comparable in both groups. Demographic data, medical comorbidities, WOMAC, visual analogue scale, and complications were recorded.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 73 - 73
1 Apr 2018
Phruetthiphat O Otero J Phisitkul P Amendola A Gao Y Callaghan J
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Background

Readmission following any total joint arthroplasty has become a closely watched metric for many hospitals in the United States because financial penalties imposed by CMS for excessive readmissions occurring within thirty days of discharge has occurred since 2015. The purpose of this study was to identify both preoperative comorbidities associated with and postoperative reasons for readmission within thirty days following primary total joint arthroplasty in the lower extremity.

Methods

Retrospective data was collected for patients who underwent elective primary total hip arthroplasty (CPT code 27130), total knee arthroplasty (27447), and total ankle arthroplasty (27702) from January 1, 2008, to December 31, 2013 at our institution. The sample was separated into readmitted and non-readmitted cohorts. Demographic variables, preoperative comorbidities, Charlson Comorbidities Index (CCI), operative parameters, readmission rates, and causes of readmission were compared between the groups using univariate and multivariate regression analysis.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_5 | Pages 83 - 83
1 Mar 2017
Phruetthiphat O Otero J Phisitkul P Amendola A Gao Y Callaghan J
Full Access

Background

Readmission following any total joint arthroplasty has become a closely watched metric for many hospitals in the United States because financial penalties imposed by CMS for excessive readmissions occurring within thirty days of discharge will be forthcoming in 2015. The purpose of this study was to identify both preoperative comorbidities associated with and postoperative reasons for readmission within thirty days following primary total joint arthroplasty in the lower extremity.

Methods

Retrospective data was collected for patients who underwent elective primary total hip arthroplasty (CPT code 27130), total knee arthroplasty (27447), and total ankle arthroplasty (27702) from January 1, 2008, to December 31, 2013 at our institution. The sample was separated into readmitted and non-readmitted cohorts. Demographic variables, preoperative comorbidities, Charlson Comorbidities Index (CCI), operative parameters, readmission rates, and causes of readmission were compared between the groups using univariate and multivariate regression analysis.


The Bone & Joint Journal
Vol. 96-B, Issue 11_Supple_A | Pages 70 - 72
1 Nov 2014
Callaghan JJ Liu SS Phruetthiphat O

A common situation presenting to the orthopaedic surgeon today is a worn acetabular liner with substantial acetabular and pelvic osteolysis. The surgeon has many options for dealing with osteolytic defects. These include allograft, calcium based substitutes, demineralised bone matrix, or combinations of these options with or without addition of platelet rich plasma. To date there are no clinical studies to determine the efficacy of using bone-stimulating materials in osteolytic defects at the time of revision surgery and there are surprisingly few studies demonstrating the clinical efficacy of these treatment options. Even when radiographs appear to demonstrate incorporation of graft material CT studies have shown that incorporation is incomplete. The surgeon, in choosing a graft material for a surgical procedure must take into account the efficacy, safety, cost and convenience of that material.

Cite this article: Bone Joint J 2014;96-B (11 Suppl A):70–2.