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https://www.readbyqxmd.com/read/29033290/nonvascularized-cartilage-grafts-versus-vascularized-cartilage-flaps-comparison-of-cartilage-quality-6%C3%A2-months-after-transfer-and-isolated-from-surrounding%C3%A2-bone-ingrowth
#1
James P Higgins, Farzad Borumandi, Heinz K Bürger, Mehmet Emre Benlidayı, Anna Vasilyeva, Leman Sencar, Sait Polat, Alexander J Gaggl
PURPOSE: Subchondral perfusion of osteochondral grafts has been shown to be important in preventing long-term cartilage degeneration. In carpal reconstruction, subchondral perfusion from the graft bed is limited. This study's purpose was to compare the histological characteristics of cartilage in osteochondral grafts supported by synovial imbibition alone to cartilage of vascularized osteochondral flaps that have both synovial and vascular pedicle perfusion. METHODS: Two adjacent osteochondral segments were harvested on the medial femoral trochlea in domestic 6- to 8-month-old pigs...
October 12, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28991585/arthroscopic-assisted-partial-wrist-arthrodesis
#2
REVIEW
Eva-Maria Baur
Partial wrist arthrodesis (PWA) is a well-known procedure for treating degenerative or posttraumatic wrist conditions. Four-corner fusion (4CF) is mostly used for scapholunate advanced collapse and scaphoid nonunion advanced collapse. The author performed 39 procedures, including 4CFs, 2-corner fusions, 3-corner fusions, scaphoid-capitate/scaphoid-capitate-lunate fusions, scaphoid-trapezium-trapezoid arthrodeses, and radioscapholunate arthroscopic PWAs (A-PWAs). There were 8 revision cases including 4 partial nonunions...
November 2017: Hand Clinics
https://www.readbyqxmd.com/read/28991584/the-role-of-wrist-arthroscopy-in-kienbock-disease
#3
REVIEW
Simon B M MacLean, Karim Kantar, Gregory I Bain, David M Lichtman
Kienbock disease (KD) is a disease of uncertain etiology, leading to chondral and osseous change in the lunate and wrist. Traditionally, Lichtman's classification of KD, based on radiographic appearances, has been used to direct treatment. Diagnostic wrist arthroscopy allows direct assessment of the lunate and surrounding articulations. Wrist arthroscopy can also serve as a therapeutic tool for performing debridement, resection, or arthrodesis procedures. The new Lichtman-Bain algorithm takes into consideration the status of the lunate, the effect on the wrist, and surgical and patient factors to guide management...
November 2017: Hand Clinics
https://www.readbyqxmd.com/read/28990293/stigma-of-mental-illness-and-substance-misuse-in-sub-saharan-african-migrants-a-qualitative-study
#4
Terence V McCann, Andre Renzaho, Janette Mugavin, Dan I Lubman
Stigma of mental illness and substance misuse can deter help seeking, especially in immigrants who are often reluctant to seek help early for these issues. The aim of the present study was to explore the stigma experience surrounding mental illness and substance misuse, and its implications for improving help seeking, for youths and parents from sub-Saharan African immigrant communities. A qualitative, descriptive design was used. Individual interviews were undertaken with 28 youths, and focus group discussions were held with 41 parents and community leaders in Melbourne, Australia...
October 9, 2017: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/28988679/cumulative-incidence-of-carpal-instability-12-24-months-after-fall-onto-outstretched-hand
#5
Lisa O'Brien, Luke Robinson, Eugene Lim, Hayley O'Sullivan, Helen Kavnoudias
STUDY DESIGN: Descriptive Epidemiological Study. INTRODUCTION: Ligament tears between carpal bones are easily missed on initial presentation, but can have potentially debilitating effects on the patient if they progress to an instability. They are usually the result of a fall onto an outstretched hand with the wrist in hyperextension. Current incidence of carpal instability after these falls is unknown. PURPOSE OF THE STUDY: Using established clinical and radiological measures, we sought to establish the cumulative incidence of carpal instability in people who have fallen onto an outstretched hand in the second year after injury...
October 5, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28978611/a-rare-case-of-an-acute-lunate-dislocation-in-a-child
#6
Shehzaad Aziz Khan, Menanta Van Velze, Andrew Pearse
Acute lunate dislocations are unusual and devastating injuries to the wrist. They are very rare in adult wrist injuries but extremely rare in children. Only six cases of perilunate dislocations in children have been reported in the literature, and in addition to this, only a single case of a lunate dislocation in a child has been reported.Here, we report a case of a 10-year-old boy who presented with an acute lunate dislocation of the wrist, following trauma, a second of its kind.
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28976244/yorkshire-s-influence-on-the-understanding-and-treatment-of-mental-diseases-in-victorian-britain-the-golden-triad-of-york-wakefield-and-leeds
#7
Henry R Rollin, Edward H Reynolds
In the late-eighteenth and nineteenth centuries, a more humane approach to the care of the insane in Britain was catalyzed in part by the illness of King George III. The Reform Movement envisaged "moral" treatment in asylums in pleasant rural environments, but these aspirations were overwhelmed by industrialization, urbanization, and the scale of the need, such that most asylums became gigantic institutions for chronic insanity. Three institutions in Yorkshire remained beacons of enlightenment in the general gloom of Victorian alienism: the Retreat in York founded and developed by the Quaker Tuke family; the West Riding Lunatic Asylum in Wakefield led by Sir James Crichton-Browne, which initiated research into brain and mental diseases; and the Leeds Medical School and Wakefield axis associated with Sir Thomas Clifford Allbutt, which pioneered teaching of mental diseases and, later, the first Chair of Psychiatry...
October 4, 2017: Journal of the History of the Neurosciences
https://www.readbyqxmd.com/read/28971058/ultrasonography-detected-missed-lunate-volar-dislocation-associated-with-median-neuropathy-a-case-report
#8
Kyeongwon Kim, Min-Wook Kim
Lunate and perilunate dislocations are uncommon, but they have clinical importance because complications, such as median neuropathy and avascular necrosis of the lunate, can occur. Although early diagnosis enabling early surgical treatment is crucial for preventing long-term sequelae, these dislocations are frequently missed in the initial assessment. Imaging tools, such as plain radiography, magnetic resonance imaging, ultrasonography, and electrodiagnostic studies, have been used for diagnosis. The proper choice of initial evaluation tools is important for making an accurate early diagnosis...
August 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28969226/perilunate-dislocation-case-report-and-review-of-literature
#9
Karthik Subramanian, Bakul Arora, Abhinav Bhatnagar, Imran Jan
Perilunate dislocations are rare injuries comprising of less than 10% of all wrist injuries. These usually occur after high-energy trauma to the wrist. One-fourth (25%) of perilunate dislocations are missed at the initial presentation. We report a case of perilunate dislocation in a patient who presented late, about two months after trauma. He underwent open reduction through a single dorsal approach and internal fixation with K-wires. Aggressive physiotherapy exercises were started after removal of K-wires...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28938159/lunatic-fringe-and-p53-cooperatively-suppress-mesenchymal-stem-like-breast-cancer
#10
Wen-Cheng Chung, Shubing Zhang, Lavanya Challagundla, Yunyun Zhou, Keli Xu
Claudin-low breast cancer (CLBC) is a poor prognosis molecular subtype showing stemness and mesenchymal features. We previously discovered that deletion of a Notch signaling modulator, Lunatic Fringe (Lfng), in the mouse mammary gland induced a subset of tumors resembling CLBC. Here we report that deletion of one copy of p53 on this background not only accelerated mammary tumor development but also led to a complete penetrance of the mesenchymal stem-like phenotype. All mammary tumors examined in the Lfng/p53 compound mutant mice displayed a mesenchymal/spindloid pathology...
September 19, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28928049/role-for-cementoplasty-in-intra-articular-distal-radius-fractures-cadaver-study-and-application-to-arthroscopy
#11
V Fontaine, M Grunberg, J Soret, K El-Youssef, L E Gayet, R Taberne
BACKGROUND: Die-punch intra-articular fractures of the distal radius raise surgical challenges. The residual articular step-off must be less than 1mm to prevent the development of radio-carpal osteoarthritis. The objectives of this cadaver study were to evaluate whether cementoplasty was effective in reducing die-punch fractures and to determine whether this technique was feasible as an arthroscopic procedure. HYPOTHESIS: Cementoplasty performed as an arthroscopic procedure is effective in treating die-punch fractures...
September 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28902751/lunate-dislocation-in-a-division-1-football-player
#12
Matthew Morin, Greg DeSilva
No abstract text is available yet for this article.
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28888572/risk-factors-of-lunate-collapse-in-kienb%C3%A3-ck-disease
#13
Wouter F van Leeuwen, Matthew A Tarabochia, Arnold H Schuurman, Neal Chen, David Ring
PURPOSE: Not all patients with Kienböck disease progress to collapse of the lunate and carpal malalignment, but it is difficult to determine which patients are at risk. We aimed to identify demographic or anatomical factors associated with more advanced stages of Kienböck disease. METHODS: We included all 195 eligible patients with Kienböck disease and available preoperative posteroanterior and lateral radiographs. We compared the mean age, sex distribution, mean ulnar variance, radial height, radial (ulnarward) inclination, palmar tilt, anteroposterior distance, and lunate type among the different Lichtman stages of Kienböck disease and performed ordinal logistic regression analysis...
September 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28886667/the-effect-of-screw-trajectory-for-the-reduction-and-association-of-the-scaphoid-and-lunate-rasl-procedure-a-biomechanical-analysis
#14
Steven M Koehler, Christina M Beck, Philip Nasser, Matthew Gluck, Michael R Hausman
The purpose of this study was to determine if screw placement in the reduction and association of the scaphoid and the lunate (RASL) procedure affected the ability of the scapholunate joint to withstand force. After completely disrupting of the scapholunate ligament in 29 fresh-frozen cadaveric wrists, we placed the RASL screw either distal or proximal to the lateral aspect of the dorsal ridge of the scaphoid and into the dorsal or volar aspect of the lunate. Specimens were subjected to repeated cycles of transcarpal axial force, mimicking clenched-fist loading, until failure...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28862169/three-dimensional-intralunate-arteries-visualization-with-red-lead-pb3o4-angiography
#15
Zi-Run Xiao, Wei-Guang Zhang, Ge Xiong, You-Le Zhang
BACKGROUND: The etiology of Kienböck's disease is controversial, and the blood supply is a possible pathogenic factor. The red lead (Pb3O4) angiography with micro-computed tomography (micro-CT) of lunate to investigate intralunate arteries has rarely been reported. This study aimed to investigate a new, reasonable, and simplified technique to study the intraosseous arterial pattern of normal lunates. METHODS: This study investigated the intraosseous arterial pattern of six normal cadaveric lunates through Pb3O4injection and three-dimensional reconstruction with micro-CT...
August 31, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28861204/clinical-outcome-of-lateral-wedge-osteotomy-of-the-radius-in-advanced-stages-of-kienb%C3%A3-ck-s-disease
#16
Young Ho Shin, Jihyeung Kim, Hyun Sik Gong, Seung Hwan Rhee, Min Joon Cho, Goo Hyun Baek
BACKGROUND: Radius osteotomies showed favorable clinical outcome in Kienböck's disease. However, few articles have been published on the long-term outcome of lateral wedge osteotomy of the radius in patients with advanced stage Kienböck's disease. METHODS: Eleven patients with Lichtman stage IIIB/IV Kienböck's disease (group A; mean follow-up period, 86.1 months; range, 48 to 163 months) and 14 patients with Lichtman stage IIIA Kienböck's disease (group B; mean follow-up period, 85...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28840675/spontaneous-rupture-of-the-digital-extensor-tendons-of-the-hand-in-unrecognized-carpal-lunatefracture
#17
A Barbati, A Geraci, M Borri, F Polidoro, S Di Carlo, V Salini
Spontaneous rupture of the digital extensor tendons of the hand has been reported after Kienbocks disease, rheumatoid arthritis, Vaughan-Jackson syndrome, distal radial fracture. Rupture may also occur as a consequence of unrecognized carpal lunate fracture. We present a case report of a man affected with spontaneous rupture of the digital extensor tendons secondary to unrecognized carpal lunate fracture with partial dorsal dislocation. The edges of the tendon were debrided and sutured using a locked modified Kessler suture...
March 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28831351/an-unusual-presentation-of-an-osteoid-osteoma-in-the-lunate-bone
#18
Nicole Breitenfeldt, Maria E Liodaki, Peter Mailänder, Felix Stang
An osteoid osteoma is a rare benign tumor of the carpal bones. It is extremely rarely found in the lunate bone in patients above 30 years of age. We present a case report of a 61-year-old man with an osteoid osteoma of the left wrist, which was masked by degenerative carpal bone disease and a comorbidity of an inflammatory bowel disease. The mainstay of imaging including plain radiographs, computed tomography, magnetic resonance imaging, and bone scintigraphy led to the clinical diagnosis of a lunatomalacia...
July 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28830697/a-vascularized-medial-femoral-condyle-cortico-periosteal-graft-for-total-lunate-reconstruction
#19
Hiroki Hachisuka, Toru Sunagawa, Mitsuo Ochi, Wayne Allan Morrison
No abstract text is available yet for this article.
August 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28828602/association-of-lunate-morphology-sex-and-lunotriquetral-interosseous-ligament-injury-with-radiologic-measurement-of-the-capitate-triquetrum-joint
#20
Marissa Borgese, Robert D Boutin, Christopher O Bayne, Robert M Szabo, Abhijit J Chaudhari
OBJECTIVE: Radiologic presentation of carpal instability at the radial side of the carpus, e.g. scapholunate diastasis following scapholunate interosseous ligament injury, has been studied extensively. By comparison, presentation at the ulnar-sided carpus has not. The purpose of this study was to assess the effects of lunate morphology, sex, and lunotriquetral interosseous ligament (LTIL) status on the radiologic measurement of the capitate-triquetrum joint (C-T distance). Further, we sought to evaluate the diagnostic accuracy of C-T distance for assessing LTIL injuries...
August 21, 2017: Skeletal Radiology
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