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Metacarpal

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https://www.readbyqxmd.com/read/28526593/cardiac-tamponade-as-an-initial-presentation-for-systemic-lupus-erythematosus
#1
William Li, Thomas Frohwein, Kenneth Ong
Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disease which follows a relapsing and remitting course that can manifest in any organ system. While classic manifestations consist of arthralgia, myalgia, frank arthritis, a malar rash and renal failure to name a few, cardiac tamponade, however, is a far less common and far more dangerous presentation. We highlight the case of a 61year-old male with complaints of acute onset shortness of breath and generalized body aches associated with a fever and chills in the ER...
April 29, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28516447/metacarpophalangeal-joint-injury-patterns-on-magnetic-resonance-imaging-a-comparison-in-racing-standardbreds-and-thoroughbreds
#2
Julien Olive, Nicolas Serraud, Thibault Vila, Jean-Philippe Germain
The metacarpal condyle has received extensive attention as a predominant site of overload arthropathy in racehorses. However, detailed descriptions of MRI lesion patterns for the metacarpophalangeal joint and comparisons between types of racing horses are currently lacking. Aims of this retrospective, cross-sectional study were to describe and compare standing low-field magnetic resonance findings in the metacarpophalangeal joints for groups of Standardbreds and Thoroughbreds using systematic semiquantitative scores...
May 17, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28511590/temperature-rise-in-kirschner-wires-inserted-using-two-drilling-methods-forward-and-oscillation
#3
Scott Richard Anderson, Serkan Inceoglu, Montri D Wongworawat
BACKGROUND: Kirschner wires (K-wires) are commonly used in orthopedic surgery. However, the loosening of the pins can lead to delayed or improper healing or infection. Wire loosening can occur by thermal necrosis that occurs due to heat produced during wire insertion. Although the parameters that affect temperature rise in cortical bone during wire insertion and drilling have been studied, the effect of drilling mode (oscillation versus forward) is unknown. The purpose of this study was to compare the temperature changes occurring in cortical bone during wire insertions by oscillating and forward drills...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28508917/dowel-pinning-for-metacarpal-and-metatarsal-fractures-in-dogs
#4
Matthias Kornmayer, Ulrike Matis
OBJECTIVE: To evaluate a dowel pinning technique for metacarpal and metatarsal fractures in dogs. MATERIAL AND METHODS: Medical records of 13 dogs with complete clinical and radiographic follow-up examinations after a median observation time of 5 months were evaluated retrospectively. Assessment included fracture data, number of stabilized bones versus number of fractured bones and parameters of internal fixation including postoperative axial alignment and position of implants assessed on serial radiographs...
May 16, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28507956/an-unusual-case-of-giant-cell-tumor-of-first-metatarsal-a-rare-case-report-and-review-of-literature
#5
Kumar Prashant, Tulsi Das Bhattacharyya, Herman Frank, Prema Ram
INTRODUCTION: Giant cell tumor (GCT) or osteoclastoma is an osteolytic, mostly benign but locally aggressive tumor occurring in young adults at the epiphysis. Area of predilection is mainly long bones (85-90%). 4% of GCT are also found in iliac bone, spine and only 2% in hand (of which GCT phalanges are more common than metacarpal). GCT of metatarsal is a very rare occurrence with very few cases being reported so far. We report a case of GCT 1(st) metatarsal in a 40-year-old male which is a very rare entity...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28506175/corrective-step-cut-osteotomy-at-the-affected-bone-for-correction-of-rotational-deformity-due-to-fracture-of-the-middle-phalanx
#6
Hiroyuki Fujioka, Yohei Takagi, Juichi Tanaka, Shinichi Yoshiya
Malunion at the shaft of the middle phalanx yields less functional problems compared with malunion at the shaft of the proximal phalanx and metacarpal bones. In the present report, the patient sustained a minimally displaced fracture at the distal portion of the distal middle phalanx of the ring finger spraining the finger during playing flag football. Fracture was treated conservatively and fracture union was completed. However, the patient complained of functional problems in activities of daily living due to the malrotational deformity of the finger...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28506165/cold-welding-in-a-trapeziometacarpal-ball-and-socket-prosthesis-a-case-report
#7
Guillem Salva-Coll, Xavier Terrades-Cladera
While in revision hip surgery it has been described cold welding of the femoral component in titanium implants, no previous reports have been published in TMC prosthesis. We present a case report of a patient who sustained a TMC ARPE® dislocation 11 months after surgery and during revision surgery, cold welding of the neck with the metacarpal stem was observed. This may represent a problem when revising this prosthesis and alternative procedures should be advised and discussed with the patient when revising these implants...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28504915/prevalence-of-os-styloideum-in-national-hockey-league-players
#8
Harry G Greditzer, Ian D Hutchinson, Christian S Geannette, Robert N Hotchkiss, Bryan T Kelly, Hollis G Potter
BACKGROUND: Os styloideum describes an accessory carpal ossicle between the trapezoid, the capitate, and the second and third metacarpals. Injuries to this tissue have been described as part of the carpal boss syndrome. While the etiology of os styloideum remains uncertain, it may represent a physiologic response to altered loading forces in the wrist, similar to the development of cam-type deformity in the hips of ice hockey players or the Bennett lesion in the shoulders of baseball pitchers...
May 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28493323/rheumatoid-arthritis-is-characterized-by-early-changes-of-the-cortical-micro-channel-comic-system-in-the-bare-area-of-the-joints
#9
David Werner, David Simon, Matthias Englbrecht, Fabian Stemmler, Christoph Simon, Andreas Berlin, Judith Haschka, Nina Renner, Thomas Buder, Klaus Engelke, Axel J Hueber, Jürgen Rech, Georg Schett, Arnd Kleyer
OBJECTIVE: To characterize the specific structural properties of the erosion-prone bare area of the human joint and to search for early microstructural changes in this region during rheumatoid arthritis Methods: An initial cadaveric study was used for exact localization of the bare area of the metacarpal heads, detection of cortical micro-channels (CoMiCs) in this region by high-resolution peripheral computed tomography (HR-pQCT) and, after anatomical dissection, their validation by micro-computed tomography (μCT)...
May 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28491895/pyogenic-arthritis-of-the-fingers-and-the-wrist-can-we-shorten-antimicrobial-treatment-duration
#10
Rahel Meier, Thomas Wirth, Frederik Hahn, Esther Vögelin, Parham Sendi
BACKGROUND: Pyogenic arthritis of the small joints of the hand and wrist is a known but poorly described entity. The objective of this work was to characterize the clinical presentation, antimicrobial treatment, and surgical interventions of native small joint arthritis (SJA) treated in our tertiary center. METHODS: According to predefined variables, medical records of adult patients with SJA treated in a Swiss university hospital between 2005 and 2013 were retrospectively analyzed...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28491221/isolated-tuberculosis-of-metacarpal-bone-in-a-3-year-old-child
#11
El Mouhtadi Aghoutane, Tarik Salama, Redouane El Fezazi
Primary tuberculosis osteomyelitis of metacarpal bone is rare. The majority of cases occur in children and young adults and there is difficulty in diagnosis mainly in young children. We report a new case in children aged of 3 years, presenting a swelling on the dorsal side of her right hand since 8 months. X-ray showed an expansile, cystic and lytic lesion involving the little finger metacarpal. Tuberculosis was confirmed on histological examination. No lesions in lung parenchyma or lymphadenopathy were associated...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28467430/analysis-of-transcription-factors-expressed-at-the-anterior-mouse-limb-bud
#12
Shigetoshi Yokoyama, Soichi Furukawa, Shoya Kitada, Masaki Mori, Takeshi Saito, Koichi Kawakami, Juan Carlos Izpisua Belmonte, Yasuhiko Kawakami, Yoshiaki Ito, Tempei Sato, Hiroshi Asahara
Limb bud patterning, outgrowth, and differentiation are precisely regulated in a spatio-temporal manner through integrated networks of transcription factors, signaling molecules, and downstream genes. However, the exact mechanisms that orchestrate morphogenesis of the limb remain to be elucidated. Previously, we have established EMBRYS, a whole-mount in situ hybridization database of transcription factors. Based on the findings from EMBRYS, we focused our expression pattern analysis on a selection of transcription factor genes that exhibit spatially localized and temporally dynamic expression patterns with respect to the anterior-posterior axis in the E9...
2017: PloS One
https://www.readbyqxmd.com/read/28467335/fifth-metacarpal-neck-fractures-fixation-with-antegrade-locked-flexible-intramedullary-nailing
#13
Francesco Pogliacomi, Elisabetta Mijno, Alesssio Pedrazzini, Silvio Tocco, Massimo Tonani, Francesco Ceccarelli, Enrico Vaienti
BACKGROUND: Fifth metacarpal neck fractures (commonly named "boxer's fractures") are the most common metacarpal injuries and usually affect young active people. These lesions are mainly treated conservatively. Their surgical management, if indicated, is still a matter of debate. Different procedures have been described. The aim of this study was to evaluate the outcomes of 18 boxer's fractures which were synthesized with antegrade locked flexible intramedullary nailing. MATERIALS AND METHODS: All patients, at a mean follow-up of 45 months, were clinically evaluated using the Disabilities of the Arm, Shoulder and Hand (DASH) score and the Patient Rated Wrist/Hand Evaluation (PRWHE)...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28465016/incidence-of-treatment-for-infection-of-buried-versus-exposed-kirschner-wires-in-phalangeal-metacarpal-and-distal-radial-fractures
#14
Taylor J Ridley, Will Freking, Lauren O Erickson, Christina Marie Ward
PURPOSE: To determine whether there is a difference in the incidence of infection between exposed and buried K-wires when used to treat phalangeal, metacarpal, and distal radius fractures. METHODS: We conducted a retrospective review identifying all patients aged greater than 16 years who underwent fixation of phalangeal, metacarpal, or distal radius fractures with K-wires between 2007 and 2015. We recorded patient demographic data, fracture location, number of K-wires used, whether K-wires were buried or left exposed, and duration of K-wire placement...
April 29, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28464269/the-postcranial-skeletal-maturation-of-australopithecus-sediba
#15
Noel Cameron, Barry Bogin, Debra Bolter, Lee R Berger
OBJECTIVES: In 2008, an immature hominin defined as the holotype of the new species Australopithecus sediba was discovered at the 1.9 million year old Malapa site in South Africa. The specimen (MH1) includes substantial post-cranial skeletal material, and provides a unique opportunity to assess its skeletal maturation. METHODS: Skeletal maturity indicators observed on the proximal and distal humerus, proximal ulna, distal radius, third metacarpal, ilium and ischium, proximal femur and calcaneus were used to assess the maturity of each bone in comparison to references for modern humans and for wild chimpanzees (Pan troglodytes)...
May 2, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28462803/the-giant-cell-tumour-of-the-proximal-phalanx-of-the-thumb-treated-by-a-2-stage-operation
#16
Paweł Reichert, Przemysław Kowalski, Jerzy Gosk
We present a 29-year-old woman who was treated for a giant-cell tumour of her thumb. Surgical treatment was performed in two stages. In the first stage, the tumour was removed and the first metacarpal and distal phalanges were fixed by an external fixator. In the second stage of reconstruction of the thumb, a cortico-cancellous bone graft from the iliac crest, an external fixator and double arthrodesis were used. This two-stage procedure provides the possibility for confirming the diagnosis and appropriate treatment choice and minimizes the risk of recurrence...
April 24, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28455539/morphological-and-topographical-anatomy-of-nutrient-foramens-in-human-metacarpals-and-their-surgical-importance
#17
Anjali Singla, Gurdeep Kalsi, Nazir Masih, Tulika Gupta, Mahesh Sharma
PURPOSE: Trauma to the hand is extremely common, often resulting in metacarpal fractures and dislocations. The surgical intervention may be required for restoration of function and appearance. The preoperative, topographical knowledge of the nutrient foramens is valuable in such operative procedures to preserve the circulation for healing and good postoperative results. METHODS: The topographic and morphometric analysis of 250 non-pathological metacarpals (fifty each from first to fifth) was performed and the foraminal index of each metacarpal was evaluated...
April 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28453337/venous-bridge-arterial-grafting-for-thumb-replantation
#18
Eric R Wagner, Allen T Bishop, Alexander Y Shin
BACKGROUND: The purpose of this study is to describe a novel technique using an interposition vein graft for thumb replantation in these severe avulsion injuries. METHODS: From 2002 to 2012, 8 patients underwent interposition venous bridge grafting from the dorsal radial artery at the anatomic snuffbox to the ulnar digital artery of the thumb. All patients had a traumatic thumb amputation with a severe injury to the ulnar digital artery. The technique began with bony stabilization; the radial artery at the anatomic snuffbox is exposed, vein graft harvested, and microsurgical end-to-side (proximally) and end-to-end (distally) anastomoses are carried out...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28450101/failed-suture-button-suspensionplasty-of-the-thumb-carpometacarpal-joint-salvaged-using-pyrocarbon-arthroplasty
#19
Laura A Sonoda, Neil F Jones
Carpometacarpal joint arthritis of the thumb is a common problem. Mini suture suspensionplasty has been reported as a successful treatment option. We describe a case of a ruptured suture button suspensionplasty that caused pain and thumb metacarpal subluxation. To our knowledge, this is the first reported mechanical failure of a suture suspensionplasty. Surgeons should be aware of this potential complication when using this device to treat thumb carpometacarpal arthritis surgically.
April 25, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28438435/postoperative-treatment-of-metacarpal-fractures-classical-physical-therapy-compared-with-a-home-exercise-program
#20
Joachim Gülke, Barbara Leopold, Daniel Grözinger, Björn Drews, Stephan Paschke, Nikolaus J Wachter
STUDY DESIGN: Prospective cohort randomized controlled trial. PURPOSE OF THE STUDY: Is either a home exercise (HE) program or traditional physical therapy (PT) more effective in the postoperative management of metacarpal fractures? METHODS: Sixty patients suffering from nonthumb metacarpal fractures who received mobilization-stable open reduction and internal fixation were included. All patients were prospectively randomized into either the PT group or the HE group...
April 21, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
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