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Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_5 | Pages 54 - 54
1 Apr 2019
Sumarriva G Wong M Thomas L Kolodychuk N Meyer M Chimento G
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Introduction

Total joint arthroplasty (TJA) is projected to be the most common elective surgical procedure in the coming decades, however TJA now accounts for the largest expenditure per procedure for Medicare and Medicaid provided interventions. This is coupled with increasing complexity of surgical care and concerns about patient satisfaction. The Perioperative Surgical Home (PSH) model has been proposed as a method to both improve patient care and reduce costs. The PSH model provides evidence-based protocols and pathways from the time of surgical decision to after postoperative discharge. PSH pathways can further be standardized with integration into electronic medical records (EMRs). The purpose of this study is to see if the implementation of PSH with and without EMR integration effects patient outcomes and cost.

Methods

A retrospective review was performed for all patients who underwent elective primary total joint arthroplasty at our institution from January 1, 2012 to April 1, 2018. Three cohorts were compared. The first cohort included patients before the implementation of the PSH model (January 1, 2012 - December 31, 2014). The second cohort included patients in the PSH model without EMR integration (January 1, 2015 – August 1, 2016). The third cohort included patients in the PSH model with EMR integration (August 1, 2016 - April 1, 2018). The clinical outcome criteria measured were average hospital length of stay (LOS), 30-day readmission rates, and discharge disposition. Financial data was collected for each cohort and primary measurements included average total cost, diagnostic cost, anesthesia cost, laboratory cost, room and board cost, and physical therapy cost.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_6 | Pages 50 - 50
1 Mar 2017
Chimento G Thomas L Andras L Dias D Meyer M
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BACKGROUND

As the climate of medicine continues to change, physicians and healthcare administrations seek to improve both the quality of the care we provide patients, as well as reducing the cost at which we provide that care. Delivering value based care is of the utmost importance. The Perioperative Surgical Home (PSH) model is a multidisciplinary team approach to care that has shown success in reducing cost, length of stay, and admission to after care facilities. We sought to compare the results of total knee arthroplasty patients managed in the PSH rapid recovery model, to patients managed in a more traditional fashion.

METHODS

We compared 451 patients managed in the PSH model from January 1 to December 31, 2015 to 453 patients managed in a more traditional fashion from January 1 to December 31, 2014.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_3 | Pages 68 - 68
1 Feb 2017
Chimento G Duplantier N Sumarriva G Meyer M Thomas L Dias D Schubert A
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Background

The Perioperative Surgical Home (PSH) is a physician-led, patient centered, rapid recovery care delivery model that includes multi-specialty care teams and cost-efficient use of resources developed to deliver patient centered value based care. The purpose of this study was to compare a group of patients undergoing primary total hip arthroplasty (THA) managed in the PSH model to a matched group managed in a more traditional fashion with respect to clinical outcomes, complications, and costs.

Methods

We prospectively followed the first 180 THA patients from the PSH group, comparing them to a group matched for age, Body Mass Index (BMI), American Society of Anesthesiologists (ASA) Score, and Charlson Comorbidity Index (CCI) that was treated prior to implementation of the PSH. A combination of regional anesthesia and multi-modal pain control was used to minimize patient narcotic consumption. There was a rapid de-escalation of care post-operatively. Weekly multi disciplinary meetings were held where advanced discharge planning was discussed and we evaluated successes and areas of improvement of the prior week in an effort to continuously improve. We used Wilcoxon, Chi square, and multivariate regression analysis to compare the groups for length of stay (LOS), total direct cost (TDC), complications, 30-day readmissions, and discharge location.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_7 | Pages 77 - 77
1 May 2016
Chimento G Duplantier N Sumarriva G Meyer M Thomas L Dias D Schubert A
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Background

The Perioperative Surgical Home (PSH) is a multi-disciplinary rapid recovery pathway aimed at transforming surgical care by delivering value and improving outcomes and patient satisfaction. Our institution developed a PSH pathway for total hip arthroplasty (THA) patients in March 2014. The Orthopaedic and Anesthesia Services co-managed the patients throughout the entire surgical process. Weekly meetings were held to discuss medical and social requirements for upcoming patients including disposition planning. All patients received day of surgery physical therapy, and anesthesia post-surgical pain control and medical co-management. We hypothesized that the PSH would provide enhanced care for THA patients. To our knowledge this is the first report on the PSH in a total joint population

Methods

We prospectively followed 180 THA patients from the PSH group (SH) and compared them to a group matched for age, body mass index (BMI), American society of anesthesiologist score (ASA), and Charleson comorbidity index score (CCI) that were not involved in the PSH (NSH). We used Wilcoxon, Chi square, and multivariate analysis to compare the groups for length of stay (LOS), total direct cost (TDC), complications, readmissions at 30 days, and discharge disposition location.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_34 | Pages 486 - 486
1 Dec 2013
Qadir R Ochsner JL Chimento GF Meyer M Waddell B Zavatsky JM
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Introduction

The utility of vancomycin powder application into the surgical site has recently shown efficacy in decreasing infections in patients undergoing thoracolumbar spine surgery. The effect on polyethylene wear after intraoperative placement of vancomycin powder at the surgical site of total joint replacements has not been determined. The purpose of this study is to compare wear behavior of material couples of Cobalt Chromium Alloy (CoCr) on ultra high molecular weight polyethylene (UHMWPE) to identical wear couples with vancomycin powder added prior to the start of wear simulation.

Methods

A custom-designed six-station wear simulator was used to establish in vitrowear characteristics of CoCr on UHMWPE on test articles fabricated from materials identical to total knee implants. Three stations included vancomycin powder added to the 36% bovine calf serum solution used in each station. Cyclic articulation simulations were run for 10 million cycles (Mc) at 4 ± 0.3 Hz under a constant axial load of 89N over 25 degrees of flexion-extension. UHMWPE wear was measured using photography, stereomicroscopic examination, and gravimetric measurements at the end of 0.5, 1, 2.5, 5, and 10 Mc.