Samuel Evan Carstensen

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This open‐access article is published and distributed under the Creative Commons Attribution ‐ NonCommercial ‐ No Derivatives License (http://creativecommons.org/licenses/by‐nc‐nd/3.0/), which permits the noncommercial use, distribution, and reproduction of the article in any medium, provided the original author and source are credited. You may not alter,(More)
BACKGROUND Acne has a ~90% lifetime prevalence, however the duration of the condition and its treatment is not well characterized. The purpose of this study was to estimate for how long acne patients are treated. METHODS Electronic patient records from an academic practice were queried to identify dermatology visits with an acne diagnosis (ICD-9: 706.1)(More)
BACKGROUND While limited data from clinical trials show differences in efficacy between topical acne combination products and monotherapies, the impact in clinical practice is not explored. PURPOSE To evaluate the effectiveness in clinical practice of prescribing topical acne combination treatments compared to monotherapy product(s) in minimizing(More)
OBJECTIVE Few data are available concerning clinical outcomes in patients with Parkinson disease who undergo elective thoracolumbar spine fusion surgery. The goal of this study is to elucidate complication and revision rates after posterior thoracolumbar fusion surgery in patients with Parkinson disease, with a focus on how Parkinson disease modifies these(More)
Lateral column lengthening (LCL) is a common procedure for reconstruction of stage II flexible adult-acquired flatfoot deformity (AAFD). The recent development of porous titanium wedges for this procedure provides an alternative to allograft and autograft. The purpose of this study was to report radiographic and clinical outcomes achieved with porous(More)
Background: Dupuytren disease is a common fibroproliferative disorder. Multiple procedural treatment options are available, with Collagenase Clostridium Histolyticum (CCH) injection being introduced in 2010. The purpose of this study was to investigate trends in the treatment of Dupuytren disease in the United States between 2007 and 2014. Methods: The(More)
Trochleoplasty is a very effective procedure for correcting trochlear dysplasia and addressing instability of the patella. With an increasing knowledge about the anatomy and biomechanics of the anterior distal femur, a wider array of surgical techniques may be applied to address specific conditions. Patients must be carefully selected to undergo(More)
The hip is a complex joint which commonly generates referrals to orthoaedic surgeons. Hip arthroscopy continues to expand its indications for addressing hip pathology. Before operative intervention, the appropriate information must be obtained with magnetic resonance imaging playing a significant role in the workup given its outstanding characterization of(More)
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