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Jin-Young Park, Hyun-Yul Yoo, Seok Won Chung, Seung-Jun Lee, Na Ra Kim, Se-Young Ki, Kyung-Soo Oh
BACKGROUND: Little is known about the clinical characteristics and surgical outcomes of valgus extension overload syndrome (VEOS) in adolescent athletes. We evaluated posteromedial compartment pathology, including combined lesions, and reported the surgical outcomes in adolescent baseball players. METHODS: We retrospectively reviewed the medical records of 13 male adolescent baseball players (mean age, 15.4 years) who underwent arthroscopic olecranon tip resection (n = 9) or staged operations (arthroscopic olecranon tip resection, followed by medial collateral ligament reconstruction 2 weeks later; n = 4)...
October 17, 2016: Journal of Shoulder and Elbow Surgery
Yuki Fujihara, Masahiro Tatebe, Nasa Fujihara, Hiromasa Tanaka, Hitoshi Hirata
OBJECTIVE: The aim of this study was to verify the use of initial plain radiographs, specifically the presence of a longitudinal crack on the olecranon, for diagnosing olecranon occult fractures in children. METHODS: We retrospectively reviewed all patients younger than 16 years who were diagnosed with proximal radial fractures treated at our hospital between April 1, 2006 and September 31, 2014. We included 22 patients (9 boys and 13 girls) with a mean age of 8...
October 6, 2016: Pediatric Emergency Care
Robert Ndou
Assessment of the range of motion at a joint is among the methods employed by orthopedic surgeons and physiotherapists to determine courses of therapy and joint recovery. Females tend to have a greater range of motion at the elbow joint than males. In the present case-control study, the elbow extension angle was compared between males and females with and without the supratrochlear aperture. A total of 453 dry humeri and their corresponding ulnae were included in the study, and elbow extension angle was measured using a goniometer...
October 11, 2016: Anatomical Science International
Natália Ferreira Sesoko, Sheila Canevese Rahal, Zara Bortolini, Natalie Bertelis Merlini, Carlos Roberto Teixeira
Anteater forelimbs are distinguished morphologically from domestic animals, especially due to their unique movement and their natural habits. A knowledge of the pectoral limb anatomy and the proper surgical approach are fundamental to success in osteosynthesis and other surgeries. This study aimed to describe the muscles and neurovascular structures of the pectoral limb and the surgical approach to the humeral shaft of the giant anteater ( Myrmecophaga tridactyla ). Dissections of the forelimbs of seven cadavers were performed to identify the major muscles and neurovascular structures...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Matthew P Cheng, Marc-Christian Domingo, Simon Lévesque, Cedric P Yansouni
BACKGROUND: There are increasing data regarding Terrisporobacter glycolicus as an emerging anaerobic pathogen. However, the few published cases to date usually report it as part of a polymicrobial infection. Here, we describe the first reported monomicrobial surgical site infection with this bacterium. Identification methods, taxonomy, and clinical management of this rarely identified pathogen are also discussed. CASE PRESENTATION: A previously healthy 66-year-old sustained an open olecranon fracture of his left arm after trauma...
September 29, 2016: BMC Infectious Diseases
Erich M Gauger, Lauren L Casnovsky, Erica J Gauger, Deborah C Bohn, Ann E Van Heest
This study reviewed the clinical history and management of acquired growth arrest in the upper extremity in pediatric patients. The records of all patients presenting from 1996 to 2012 with radiographically proven acquired growth arrest were reviewed. Records were examined to determine the etiology and site of growth arrest, management, and complications. Patients with tumors or hereditary etiology were excluded. A total of 44 patients (24 boys and 20 girls) with 51 physeal arrests who presented at a mean age of 10...
September 29, 2016: Orthopedics
Y Fujihara, M Tatebe, N Fujihara, H Tanaka, H Hirata
The aim of this study was to identify the fragment's shape by evaluating olecranon fractures. We examined the CT images of 48 olecranon fractures (28 women and 20 men). Mean age was 59.9 years. On the olecranon's posterior surface, we measured the distance between the apex of the olecranon fragment and the radial edge of the flat spot on the short axis and the width of the flat spot on the same short axis. The tip radial ratio (i.e., the tip radial edge to the flat spot width) was derived from these parameters...
August 2016: Acta Orthopaedica Belgica
Ji Yeon Kim, Eun Kyung Kang, Song Mi Moon, Yiel Hea Seo, Juhyeon Jeong, Hyuni Cho, Dongki Yang, Yoon Soo Park
Actinomyces meyeri is a Gram positive, strict anaerobic bacterium, which was first described by Meyer in 1911. Primary actinomycotic osteomyelitis is rare and primarily affects the cervicofacial region, including mandible. We present an unusual case of osteomyelitis of a long bone combined with myoabscess due to A. meyeri. A 70-year-old man was admitted for pain and pus discharge of the right elbow. Twenty-five days before admission, he had hit his elbow against a table. MRI of the elbow showed a partial tear of the distal triceps tendon and myositis...
September 2016: Infection & Chemotherapy
F M A P Claessen, A R Kachooei, K K J Verheij, G P Kolovich, Chaitanya S Mudgal
BACKGROUND: Radial head compression against the capitellum may cause concomitant fracture of the capitellum. The purpose of this study was to investigate if radial head fracture type is associated with a concomitant fracture of the capitellum. PATIENTS AND METHODS: Data were identified from five area hospitals. We retrieved records of patients older than 18 years of age who underwent treatment for concomitant capitellum fracture and radial head fracture between January 2002 and January 2013...
August 2016: Journal of Hand and Microsurgery
Julien Chapleau, Frédéric Balg, Edward J Harvey, Jérémie Ménard, Frédéric Vauclair, G-Yves Laflamme, Jonah Hebert-Davies, Dominique M Rouleau
PURPOSE: The Proximal Ulna Dorsal Angulation (PUDA) is part of the proximal ulna's normal anatomy. The importance of restoring ulnar anatomy characteristics precisely after olecranon fracture is not known, however, failure to recreate the PUDA after surgery may result in poorer functional outcomes. The purpose of this study is to evaluate the impact of minimal proximal ulna malunion on elbow ROM and function at least one year after olecranon ORIF. METHOD: A retrospective comparative cohort study took place in three level-1 trauma centers...
August 30, 2016: Injury
M Hackl, S Lappen, W F Neiss, M Scaal, L P Müller, K Wegmann
BACKGROUND: Olecranon osteotomy is an established approach for the treatment of distal humerus fractures. It should be performed through the bare area of the proximal ulna to avoid iatrogenic cartilage lesions. OBJECTIVES: The goal of this study was to analyze the anatomy of the proximal ulna with regard to the bare area and, thereby, to optimize the hitting area of the bare area when performing olecranon osteotomy. MATERIALS AND METHODS: The bare areas of 30 embalmed forearm specimens were marked with a radiopaque wire and visualized three-dimensionally with a mobile C‑arm...
October 2016: Der Orthopäde
Carla F Gamarra-Hilburn, Grissel Rios, Luis M Vilá
Septic bursitis is usually caused by bacterial organisms. However, infectious bursitis caused by fungi is very rare. Herein, we present a 68-year-old woman with long-standing rheumatoid arthritis who developed pain, erythema, and swelling of the right olecranon bursa. Aspiration of the olecranon bursa showed a white blood cell count of 3.1 × 10(3)/μL (41% neutrophils, 30% lymphocytes, and 29% monocytes). Fluid culture was positive for Candida parapsilosis. She was treated with caspofungin 50 mg intravenously daily for 13 days followed by fluconazole 200 mg orally daily for one week...
2016: Case Reports in Rheumatology
Yoshikazu Kida, Toru Morihara, Ryuhei Furukawa, Tsuyoshi Sukenari, Yoshihiro Kotoura, Naoki Yoshioka, Tatsuya Hojo, Ryo Oda, Yuji Arai, Koshiro Sawada, Hiroyoshi Fujiwara, Toshikazu Kubo
BACKGROUND: Various posterior elbow problems cause posterior elbow pain among baseball players. We aimed to determine the prevalence and diagnoses associated with posterior elbow problems and post-treatment recovery time for returning to sports in Japanese high school baseball players when treated in the off-season. METHODS: A total of 576 Japanese high school baseball players who participated in baseball skill training camp during the off-season were enrolled in the study...
September 2016: Journal of Shoulder and Elbow Surgery
Edward M DelSole, Kenneth A Egol, Nirmal C Tejwani
BACKGROUND: Cost effective implant selection in orthopedic trauma is essential in the current era of managed healthcare delivery. Both locking and non-locking plates have been utilized in the treatment of displaced fractures of the olecranon. However, locking plates are often more costly and may not provide superior clinical outcomes. The primary aim of the present study is to assess the clinical and functional outcomes of olecranon fractures treated with locked and non-locking plate and screw constructs while providing insight into the cost of various implants...
2016: Iowa Orthopaedic Journal
A Maresca, R Fantasia, M Cianforlini, N Giampaolini, S Cerbasi, R Pascarella
PURPOSE: Distal-third diaphyseal fractures of the humerus are often hard to treat due to location and pattern of the fractures, radial nerve injury, and quality of bone and age of patients. The aim of this retrospective study is to propose the best approach and the best surgical technique according to the pattern of extra-articular fracture of the distal humerus. METHODS: We have treated 37 fractures of the distal humerus between January 2010 and July 2015 classified according to the AO classification...
August 12, 2016: Musculoskeletal Surgery
Jamie A MacLaren, Sandra Nauwelaerts
Forelimb morphology is an indicator for terrestrial locomotor ecology. The limb morphology of the enigmatic tapir (Perissodactyla: Tapirus) has often been compared to that of basal perissodactyls, despite the lack of quantitative studies comparing forelimb variation in modern tapirs. Here, we present a quantitative assessment of tapir upper forelimb osteology using three-dimensional geometric morphometrics to test whether the four modern tapir species are monomorphic in their forelimb skeleton. The shape of the upper forelimb bones across four species (T...
November 2016: Journal of Morphology
Martin Zens, Frank Goldschmidtboeing, Ferdinand Wagner, Kilian Reising, Norbert P Südkamp, Peter Woias
BACKGROUND: Several different surgical techniques are used in the treatment of olecranon fractures. Tension band wiring is one of the most preferred options by surgeons worldwide. The concept of this technique is to transform a tensile force into a compression force that adjoins two surfaces of a fractured bone. Currently, little is known about the resulting compression force within a fracture. OBJECTIVE: Sensor devices are needed that directly transduce the compression force into a measurement quality...
July 22, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
Paul S C Malone, Oliver G Shaw, Vivien C Lees
BACKGROUND: Previous work from this laboratory has evidenced the biomechanical role of forearm osseoligamentous structures in load transfer of applied forces. It has shown that forces transmitted across the distal radioulnar joint (DRUJ) and proximal radioulnar joint (PRUJ) are similar, though not identical, under axial loading conditions. The purpose of the study was to assess the articulating surface areas of the radioulnar joints and the volumes of the forearm bones addressing the hypothesis that there may be anatomic adaptations that reflect the biomechanical function of the integrated forearm unit...
2016: Frontiers in Bioengineering and Biotechnology
Hazlyna Baharuddin, Tarita Taib, Mollyza Mohd Zain, Shereen Ch'ng
Leprosy is a chronic granulomatous infection caused by Mycobacterium leprae with predominant involvement of skin and nerves. We present a 70-year-old man with leprosy whose initial presentation resembled rheumatologic disease, due to leprae reaction. He presented with an 8-week history of worsening neuropathic pain in the right forearm, associated with necrotic skin lesions on his fingers that had ulcerated. Physical examination revealed two tender necrotic ulcers at the tip of the right middle finger and the dorsal aspect of the left middle finger...
July 26, 2016: International Journal of Rheumatic Diseases
In Hyeok Rhyou, Kyoung Jun Park, Kyung Chul Kim, Ji-Ho Lee, Seung Yeon Kim
BACKGROUND: Open excision of the olecranon bursa has been performed traditionally. However, surgical complications such as wound healing problems and recurrence may occur after the surgery. The purpose of this study was to report on the clinical outcomes of endoscopic olecranon bursal resection performed in both septic and aseptic olecranon bursitis. METHODS: We retrospectively reviewed 30 patients who underwent endoscopic olecranon bursal resection from June 2007 to January 2012...
June 2016: J Hand Surg Asian Pac Vol
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