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The Bone & Joint Journal
Vol. 101-B, Issue 9 | Pages 1081 - 1086
1 Sep 2019
Murphy WS Harris S Pahalyants V Zaki MM Lin B Cheng T Talmo C Murphy SB

Aims

The practice of alternating operating theatres has long been used to reduce surgeon idle time between cases. However, concerns have been raised as to the safety of this practice. We assessed the payments and outcomes of total knee arthroplasty (TKA) performed during overlapping and nonoverlapping days, also comparing the total number of the surgeon’s cases and the total time spent in the operating theatre per day.

Materials and Methods

A retrospective analysis was performed on the Centers for Medicare & Medicaid Services (CMS) Limited Data Set (LDS) on all primary elective TKAs performed at the New England Baptist Hospital between January 2013 and June 2016. Using theatre records, episodes were categorized into days where a surgeon performed overlapping and nonoverlapping lists. Clinical outcomes, economic outcomes, and demographic factors were calculated. A regression model controlling for the patient-specific factors was used to compare groups. Total orthopaedic cases and aggregate time spent operating (time between skin incision and closure) were also compared.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_6 | Pages 54 - 54
1 Apr 2018
Hayden B Damsgaard C Talmo C Murphy S
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INTRODUCTION

Interest in tissue-preserving or minimally invasive total hip arthroplasty (THA) is increasing with focus toward decreased hospital stay, enhanced rehabilitation, and quicker recovery for patients. Two tissue-preserving techniques, the anterior and superior approaches to THA, have excellent clinical results, but little is known about their relative impact on soft tissue. The purpose of this study was to evaluate the type and extent of tissue damage after THA with each approach, focusing on abductors, short external rotators, and the hip capsule.

METHODS

Total hip arthroplasty was performed on bilateral hips of eleven fresh-frozen cadavers (22 hips). They were randomized to anterior THA performed on one side and superior THA performed on the other, in the senior authors' standard technique. Two independent examiners graded the location and extent of tissue injury by performing postsurgical dissections. Muscle bellies, tendons, and capsular attachments were graded as intact, split, damaged (insignificant, minimal, moderate, or extensive damage), or detached based on direct visual inspection of each structure. Tissue injury was analyzed with either a chi-squared (≥5 qualifying structures) or Fisher's exact test (<5 qualifying structures). P values <0.05 were significant.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_5 | Pages 40 - 40
1 Mar 2017
Murphy S Terry D Talmo C Fehm M
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Introduction

Bundled budgeting of payments for joint replacement services has become increasing common in an effort to improve quality while lowering cost. In the US, some Medicare bundled payment programs are voluntary whereas some now are mandatory. Large medical care and medical management organizations have largely been assigned or seized control of management of these programs, leaving the surgeon in a subordinate role. The current abstract describes an experience where surgeons provide leadership and accept responsibility in bundled payment program.

Methods

We engaged a collective of 16 different private company orthopedic physician groups to apply to become episode initiators under under the Medicare Bundled Payment for Care Improvement (BPCI) models 2 and 3. The application process itself provided historical

cost data, enabling each group to independently decide whether or not to proceed with the BPCI.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_5 | Pages 82 - 82
1 Mar 2017
Perreault R Mattingly D Bell CF Talmo C
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Background

Intraoperative blood loss is a known potential complication of total knee arthroplasty (TKA). Tranexamic acid (TXA) has been shown to reduce intraoperative blood loss and postoperative transfusion in patients undergoing TKA. While there are numerous studies demonstrating the efficacy of intravenous and topical TXA in patients undergoing TKA, there are comparatively few demonstrating the effectiveness and appropriate dosing recommendations of oral formulations.

Methods

A retrospective cohort study of 2230 TKA procedures at a single institution identified 3 treatment cohorts: patients undergoing TKA without the use of TXA (no-OTA, n=968), patients undergoing TKA with administration of a single-dose of oral TXA (single-dose OTA, n=164), and patients undergoing TKR with administration of preoperative and postoperative oral TXA (two-dose OTA, n=1098). The primary outcome was transfusion rate. Secondary outcomes included maximum postoperative decline in hemoglobin, number of blood units transfused, length of hospital stay, total drain output, cell salvage volume, and operating room time


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_10 | Pages 69 - 69
1 May 2016
Merz M Robbins C Ward D Bono J Talmo C
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Introduction

Dual modular femoral stems for total hip arthroplasty were initially introduced to optimize joint biomechanics. These implants have been recalled due to fretting and crevice corrosion at the stem-neck interface, ultimately necessitating revision in a significant number of patients. At our institution we had experience with the Rejuvenate (Stryker, Mahwah, NJ) dual modular stem from 2009 until 2011 before it's recall in 2012. This study identifies complications encountered in patients requiring revision of this prosthesis.

Methods

We retrospectively identified all patients who had one particular dual modular stem using our registry database. All patients’ charts and imaging was reviewed using our electronic medical records and digital imaging programs. Patients’ age, gender, revision date, intraoperative and postoperative complications, need for subsequent surgery were identified.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_9 | Pages 71 - 71
1 May 2016
Elsharkawy K Murphy W Le D Eberle R Talmo C Murphy S
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INTRODUCTION

Evolving payment models create new opportunities for assessment of patient care based on total cost over a defined period of time. These models allow for analyses of economic data that was previously unavailable and well beyond our familiar studies which typically include length of stay, surgical complications, and post-operative clinical and radiographic assessments. In the United States, the new Federal program entitled TheBundled Payment for Care Initiative created new opportunities for the assessment of surgical interventions. The purpose of the reported study was to assess the total reimbursement for care as a function of surgical technique in primary total hip arthroplasty (THA).

METHODS

The total reimbursement for services performed following primary THA for patients insured by Medicare was analyzed for a group of patients at a single institution during the fiscal years of 2013 and 2014. The population included data on 356 patients who had surgery performed by seven surgeons who used the same pre-operative education, OR, PACU, PT, nursing, and case management. A total of 38 “pre-selected” patients underwent THA by an anterior exposure, 219 had surgery performed by a posterior exposure, and 99 had surgery performed by the superior exposure utilizing mechanical surgical navigation (HipXpert System, Surgical Planning Associates, Boston, MA). Reimbursement for all in-patient and out-patient services performed over the initial 90-day period from sugeical admission was compared across surgical techniques. Reimbursement includes the sum of all payments including the hospital, physicians, skilled nursing facilities, home care, out-patient care, and readmission.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_10 | Pages 68 - 68
1 May 2016
Talmo C Elsharkawy K Ward D Robbins C Kent S Bierbaum B Bono J
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INTRODUCTION

Corrosion of modular tapers is increasingly recognized as a source of adverse tissue reaction (ALTR) and revision surgery in total hip arthroplasty (THA). The incidence of corrosion and rate of revision for ALTR may differ among different types of implants.

OBJECTIVE

The objective of this study was to determine if a difference exists in rate of THA revision for corrosion and ALTR with tapered broach only stems compared to ream-broach femoral stems.