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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_6 | Pages 53 - 53
1 Mar 2017
Levy J Kurowicki J Triplet J Law T Niedzielak T
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Background

Level 1 studies for fracture management of upper extremity fractures remains rare. The influence of these studies on management trends has yet to be evaluated. The purpose of this study was to examine alterations in national trends managing mid-shaft clavicle and intra-articular distal humerus fractures (DHF) surrounding recent Level 1 publications.

Methods

We retrospectively reviewed a comprehensive Medicare (2005–2012) and Humana (2007–2014) patient population database within the PearlDiver supercomputer (Warsaw, IN, USA) for DHF and mid-shaft clavicle fractures, respectively. Non-operative management and open reduction internal fixation (ORIF) were reviewed for mid-shaft clavicle fractures. ORIF and total elbow arthroplasty (TEA) were reviewed for DHF. Total use and annual utilization rates were investigated using age limits defined in the original Level 1 studies.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_6 | Pages 54 - 54
1 Mar 2017
Levy J Kurowicki J Triplet J
Full Access

Background

Locked anterior shoulders (LAS) with static instability and anterior glenoid bone loss are challenging in the elderly population. Reverse shoulder arthroplasty (RSA) has been employed in treating these patients. No study has compared RSA for LAS to classically indicated RSA.

Methods

A case-control study of patients treated with RSA for LAS with glenoid bone loss and static instability was performed using matched controls treated with primary RSA for classic indications. Twenty-four cases and 48 controls were evaluated. Average follow-up was 25.5 months and median age was 76. Motion, outcome assessments, and postoperative radiographs were compared.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_5 | Pages 125 - 125
1 Mar 2017
Roche M Law T Triplet J Hubbard Z Kurowicki J Rosas S
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Introduction

It is well established that diabetic patients undergoing total knee arthroplasty (TKA) are more susceptible to infection, problematic wound healing, and have overall higher complication rates. However there is a paucity in current literature investigating the effects of hypoglycemia on TKA. The purpose of this study was to determine the effect of hypoglycemia on TKA revision (rTKA) incidence analyzing a national private payer database for procedures performed between 2007 and 2015 Q1.

Methods

A retrospective review of a national private payer database within the PearlDiver Supercomputer application (Warsaw, IN, USA) for patients undergoing TKA with blood glucose levels ranging from 20 to 219 mg/ml, in increments of 10 mg/ml, was conducted. Patients who underwent TKA were identified by Current Procedural Terminology (CPT)-27447 and International Classification of Disease (ICD) code 81.54. Glucose ranges were identified by filtering for lab identifier values unique to the PearlDiver database. Revision TKA and causes for revision, including mechanical loosening, failure/break, periprosthetic fracture, osteolysis, infection, pain, arthrofibrosis, instability, and trauma) were identified with CPT and ICD-9 Codes. Statistical analysis of this study was primarily descriptive.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 89 - 89
1 Feb 2017
Levy J Kurowicki J
Full Access

Background

Peri-prosthetic humerus fractures are relatively uncommon occurrences that can be difficult to manage non-operatively. Locking plate technology has enhanced the surgical management of these fractures. We describe an osteosynthesis technique utilizing a locking plate with eccentrically placed screw holes to place “skive screws” in the proximal end of the plate to achieve fixation around the stem of the implant.

Methods

A retrospective review of prospectively collected data was performed for a consecutive series of patients treated with this skive screw technique from May 2011 to September 2014. Seven patients presented with postoperative type B peri-prosthetic humerus fractures. Average follow-up was 24 months. Radiographic analysis was performed on most recent postoperative imaging. Clinical outcomes were assessed using VAS pain, ASES total score, ASES functional score, SST, SANE, range of motion and strength.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 90 - 90
1 Feb 2017
Levy J Kurowicki J Law T Rosas S
Full Access

Background

Both anatomic (TSA) and reverse shoulder arthroplasty (RSA) are routinely performed for patients whom desire to continue to work or participate in sports. The purpose of this study is to analyze and compare the ability of patients to work and participate in sports based on responses to clinical outcome surveys.

Methods

A retrospective review of 335 patients treated with TSA (179 patients) and RSA (156 patients) who completed questions 9 and 10 on the activity patient self-evaluation portion of the American Shoulder and Elbow Surgeons (ASES) Assessment Form was performed at average 30 months follow-up. Comparisons were made between TSA and RSA for the specific ASES score (rated 0–3) reported for usual work and sport, as well as ASES total score. Sports were subdivided based on those that predominantly use shoulder function.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 88 - 88
1 Feb 2017
Levy J Formaini N Kurowicki J
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Background

Radial head arthroplasty (RHA) is a popular method of treatment for complex fractures of the radial head. The purpose of this study was to investigate patient outcomes and radiographic findings associated with a single anatomical monopolar press-fit radial head system commonly used for the treatment of radial head fractures.

Methods

A retrospective review of prospectively collected data was performed for a consecutive series of patients treated with RHA between November 2007 and April 2014. Patients with a minimum of 12-month follow-up were included. Most recent radiographs were evaluated for loosening, stress shielding, and instability. Post-operative motion and outcomes were reported at most-recent follow-up.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 91 - 91
1 Feb 2017
Levy J Kurowicki J Triplet J Niedzielak T Disla S
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Background

Virtual planning of shoulder arthroplasty has gained recent popularity. Combined with patients specific instrumentation, several systems have been developed that allow the surgeon to accurately appreciate and correct glenoid deformities in version and inclination. While each virtual software platform utilizes a consistent algorithm for calculating these measurements, it is imperative for the surgeon to recognize any differences that may exist amongst software platforms and characterize any variability.

Methods

A case-control study of all CT scans of patients previously pre-operatively planned using MatchPoint SurgiCase® software were uploaded into the BluePrint software. The cohort represents surgical planning for total shoulder arthroplasty and reverse shoulder arthroplasty with varying degrees of glenoid deformity. Glenoid version and inclination will be recorded for each CT scan using both software platforms.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 92 - 92
1 Feb 2017
Levy J Rosas S Law T Kurowicki J Kalandiak S
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Background

Operative treatment of complex proximal humerus fractures remains controversial. The transition to value-based health care demands a better understanding of the costs associated with surgery. The purpose of this study was to examine the 90-day costs of three common surgical treatments for proximal humerus fractures and non-operative treatment and compare the costs associated with the initial-day and subsequent 89-days of care.

Methods

A query of the Humana insurance claims database was performed through the PearlDiver Supercomputer (Warsaw, IN) from 2010 to 2014 using the diagnosis codes for proximal humerus fractures together with current procedural terminology codes (CPT) for hemiarthroplasties (HA), open reduction internal fixation (ORIF), reverse shoulder arthroplasty (RSA) and nonoperative treatment (NO). Reimbursement from the insurance claims database was used as a marker for costs. The same day, subsequent 89-day, and ninety day costs were analyzed trough the use of descriptive and comparative statistical analysis.