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https://www.readbyqxmd.com/read/28155678/compression-distraction-reduction-surgical-verification-and-optimization-to-treat-the-basilar-invagination-and-atlantoaxial-dislocation-a-finite-element-analysis
#1
Xuefeng Bo, Weida Wang, Zan Chen, Zhicheng Liu
BACKGROUND: Basilar invagination (BI) combined with atlantoaxial dislocation (AAD) leads to foramen magnum stenosis and medullary spinal cord compression, causing nerve dysfunction. The purpose of the surgery is to remove the bony compression at brainstem ventral side and fix the unstable spinal segment and make it fused stably. Occipital cervical internal fixation system that simultaneously reduces atlantoaxial horizontal and vertical dislocation are established. We propose here a new compression-distraction reduction (CDR) technique...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28148656/adolescent-patellar-instability-current-concepts-review
#2
REVIEW
D Clark, A Metcalfe, C Wogan, V Mandalia, J Eldridge
Patellar instability most frequently presents during adolescence. Congenital and infantile dislocation of the patella is a distinct entity from adolescent instability and measurable abnormalities may be present at birth. In the normal patellofemoral joint an increase in quadriceps angle and patellar height are matched by an increase in trochlear depth as the joint matures. Adolescent instability may herald a lifelong condition leading to chronic disability and arthritis. Restoring normal anatomy by trochleoplasty, tibial tubercle transfer or medial patellofemoral ligament (MPFL) reconstruction in the young adult prevents further instability...
February 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28120073/complications-in-craniovertebral-junction-instrumentation-hardware-removal-can-be-associated-with-long-lasting-stability-personal-experience
#3
Massimiliano Visocchi, Pier Paolo Mattogno, Francesco Signorelli, Jun Zhong, Gerardo Iacopino, Giuseppe Barbagallo
BACKGROUND: The causes of craniovertebral junction (CVJ) instabilities include trauma, rheumatological diseases, tumors, infections, congenital malformations, and degenerative disease processes; these complex pathologies often require CVJ instrumentation. Hardware complications were analyzed in a personal series of 48 treated patients. In light of the analysis of very unusual radiological and clinical findings, the authors tried to better investigate the related mechanisms and to reach possible useful conclusions...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28087397/elbow-locking-in-a-patient-with-a-congenital-radial-head-dislocation-case-report
#4
H-J Kim, P-T Kim, H-J Lee, M F Deslivia
Snapping elbow is a rare condition, which has various possible causes such as impinged plica, annular ligament, or other extra-articular causes. We report a case of 15-year-old boy who had had snapping elbow and sudden-onset flexion contracture of the elbow. Simple radiographs showed bilateral anterior dislocation of hypoplastic radial heads. Magnetic resonance images with the elbow extended as much as possible showed that the annular ligament hemmed the dislocated radial neck. By surgical incision of the annular ligament which checkreined the radial neck, the patients could regain full extension of the elbow...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28073391/magnetic-resonance-myelography-in-congenital-absence-of-the-cervical-pedicle
#5
Rami Alhazmi, Jean-Pierre Farmer, Christine Saint-Martin
Absence of the cervical pedicle is a very rare congenital anomaly, easily misrecognized as a unilateral facet dislocation in a setting of acute trauma or a neoplastic process like a nerve sheath tumor. Although correct diagnosis can be achieved on the cervical radiograph and confirmed by the CT, MRI Myelography is clearly of additional value because shows the specific relationship and orientation of the nerve roots. To the best to our knowledge, this is the first description of MR Myelography findings.
January 11, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28061881/moebius-sequence-a-multidisciplinary-clinical-approach
#6
Line Kjeldgaard Pedersen, Rikke Damkjær Maimburg, Jens Michael Hertz, Hans Gjørup, Thomas Klit Pedersen, Bjarne Møller-Madsen, John Rosendahl Østergaard
BACKGROUND: Moebius Sequence (MS) is a rare disorder defined by bilateral congenital paralysis of the abducens and facial nerves in combination with various odontological, craniofacial, ophthalmological and orthopaedic conditions. The aetiology is still unknown; but both genetic (de novo mutations) and vascular events in utero are reported. The purpose of present study was through a multidisciplinary clinical approach to examine children diagnosed with Moebius-like symptoms. Ten children underwent odontological, ophthalmological, obstetric, paediatric, orthopaedic, genetic, radiological and photographical evaluation...
January 6, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28032030/lessons-learned-from-study-of-congenital-hip-disease-in-adults
#7
REVIEW
George Hartofilakidis, Kalliopi Lampropoulou-Adamidou
Orthopaedic surgeons specialising in adult hip reconstruction surgery often face the problem of osteoarthritis secondary to congenital hip disease (CHD). To achieve better communication among physicians, better treatment planning and evaluation of the results of various treatment options, an agreed terminology is needed to describe the entire pathology. Furthermore, a generally accepted classification of the deformities is necessary. Herein, the authors propose the use of the term "congenital hip disease" and its classification as dysplasia, low dislocation and high dislocation...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28025728/semiautomatic-classification-of-acetabular-shape-from-three-dimensional-ultrasound-for-diagnosis-of-infant-hip-dysplasia-using-geometric-features
#8
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko
PURPOSE: Developmental dysplasia of the hip (DDH) is a congenital deformity which in severe cases leads to hip dislocation and in milder cases to premature osteoarthritis. Image-aided diagnosis of DDH is partly based on Graf classification which quantifies the acetabular shape seen at two-dimensional ultrasound (2DUS), which leads to high inter-scan variance. 3D ultrasound (3DUS) is a promising alternative for more reliable DDH diagnosis. However, manual quantification of acetabular shape from 3DUS is cumbersome...
December 26, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27984689/-congenital-knee-dislocation-case-report
#9
C Arvinius, R Luque, C Díaz-Ceacero, F Marco
Congenital knee dislocation is an infrequent condition with unknown etiology. In some cases it occurs as an isolated condition, while in others it coexists with associated conditions or syndromes. The treatment of congenital knee dislocation is driven by the severity and flexibility of the deformity. The literature includes from serial casting or the Pavlik harness to quadriceps tendon plasty or femoral osteotomies. We report herein the case of a congenital dislocation treated with serial casting with a good outcome...
May 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27941533/congenital-insensitivity-to-pain-in-one-family
#10
Andrey Svec, Jana Feldinszka, Milan Kokavec
Congenital insensitivity to pain (CIP) is a rare autosomal recessive genetic disease caused by mutation in several different genes. The diagnosis requires the combined skills and cooperation of pediatricians, neurologists, radiologists, pathologists, and orthopedic surgeons. Orthopedic manifestations of CIP include delayed diagnosis of fractures, nonunions, Charcot arthropathy, avascular necrosis, osteomyelitis, joint dislocations, and heterotopic ossifications. We present case reports of two brothers with CIP with various orthopedic manifestations and methods of surgical treatment with 10 years of follow-up...
December 9, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27933343/-conservative-treatment-of-congenital-patellar-dislocation
#11
D Zajonz, E Schumann, M Wojan, M Moche, C-E Heyde
This article presents the rare case of a boy who was born in our hospital with valgus deformity and external rotation of the right lower leg because of congenital patellar dislocation. In the case presented a stable repositioning of the patella could be achieved by redressment with a plaster cast and leg brace. During a 4-year follow-up there were no tendencies towards dislocation during the clinical examination and no dislocation events were documented. In selected cases an attempt at conservative repositioning and retention treatment appears to be worthwhile before surgical treatment is indicated...
February 2017: Der Orthopäde
https://www.readbyqxmd.com/read/27920638/interstitial-1q21-1-microdeletion-is-associated-with-severe-skeletal-anomalies-dysmorphic-face-and-moderate-intellectual-disability
#12
Bruno F Gamba, Roseli M Zechi-Ceide, Nancy M Kokitsu-Nakata, Siulan Vendramini-Pittoli, Carla Rosenberg, Ana C V Krepischi Santos, Lucilene Ribeiro-Bicudo, Antonio Richieri-Costa
We report on a Brazilian patient with a 1.7-Mb interstitial microdeletion in chromosome 1q21.1. The phenotypic characteristics include microcephaly, a peculiar facial gestalt, cleft lip/palate, and multiple skeletal anomalies represented by malformed phalanges, scoliosis, abnormal modeling of vertebral bodies, hip dislocation, abnormal acetabula, feet anomalies, and delayed neuropsychological development. Deletions reported in this region are clinically heterogeneous, ranging from subtle phenotypic manifestations to severe congenital heart defects and/or neurodevelopmental findings...
November 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27900701/elbow-instability-are-we-able-to-classify-it-review-of-the-literature-and-proposal-of-an-all-inclusive-classification-system
#13
REVIEW
A Marinelli, E Guerra, R Rotini
BACKGROUND: In the recent years, considerable improvements have come in biomechanical knowledge about the role of elbow stabilizers. In particular, the complex interactions among the different stabilizers when injured at the same time have been better understood. Anyway, uncertainties about both nomenclature and classification still exist in the definition of the different patterns of instability. MATERIAL AND METHODS: The authors examine the literature of the last 130 years about elbow instability classification, analyzing the intuitions and the value of each of them...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27858533/revisiting-the-differences-between-irreducible-and-reducible-atlantoaxial-dislocation-in-the-era-of-direct-posterior-approach-and-c1-2-joint-manipulation
#14
Arsikere N Deepak, Pravin Salunke, Sushanta K Sahoo, Prashant K Prasad, Niranjan K Khandelwal
OBJECTIVE The current management of atlantoaxial dislocation (AAD) focuses on the C1-2 joints, commonly approached through a posterior route. The distinction between reducible AAD (RAAD) and irreducible AAD (IrAAD) seems to be less important in modern times. The roles of preoperative traction and dynamic radiographs are questionable. This study evaluated whether differentiating between the 2 groups is important in today's era. METHODS Ninety-six consecutive patients with congenital AAD (33 RAAD and 63 IrAAD), who underwent surgery through a posterior approach alone, were studied...
November 18, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27847857/complicated-congenital-dislocation-of-the-knee-a-case-report
#15
Firooz Madadi, Mohammad A Tahririan, Mohsen Karami, Firoozeh Madadi
Congenital dislocation of the knee (CDK) is a rare disorder. We report the case of a 7-year-old girl with bilateral knee stiffness, marked anterior bowing of both legs, and inability to walk without aid. Radiologic investigation revealed bilateral knee joint dislocation accompanied by severe anterior bowing of both tibia proximally and posterior bowing of both femur distally, demonstrating a complicated congenital knee dislocation. Two-staged open reduction with proximal tibial osteotomy was performed to align the reduced knee joints...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27751715/outcomes-after-operative-treatment-of-elbow-contractures-in-the-pediatric-and-adolescent-population
#16
Eugene T H Ek, Sophia K Paul, Robert N Hotchkiss
BACKGROUND: The role of elbow contracture release in the very young is unclear, with existing studies reporting conflicting results. This study evaluated the long-term results after open elbow contracture release in patients aged younger than 18 years. METHODS: Between 1994 and 2012, 32 patients underwent open elbow contracture release at a mean age of 13.8 years (range, 5-18 years), and their outcomes were reviewed. The primary cause was traumatic in 30 patients (4 radial head/neck fractures, 5 intra-articular distal humeral fractures, 11 extra-articular distal humeral fractures, 10 complex fracture-dislocations), and the mean time from the index injury to contracture release was 16...
December 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27751653/recurrent-de-novo-bicd2-mutation-associated-with-arthrogryposis-multiplex-congenita-and-bilateral-perisylvian-polymicrogyria
#17
Gianina Ravenscroft, Nataliya Di Donato, Gabriele Hahn, Mark R Davis, Paul D Craven, Gemma Poke, Katherine R Neas, Teresa M Neuhann, William B Dobyns, Nigel G Laing
Autosomal dominantly inherited mutations of BICD2 are associated with congenital-onset spinal muscular atrophy characterised by lower limb predominance. A few cases have also showed upper motor neuron pathology, including presenting with features resembling hereditary spastic paraplegia. The age-of-onset for the published families is usually at birth but also included cases with childhood- and adult-onset disease. In this report we described two isolated probands that presented in utero with features associated with reduced fetal movements...
November 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27703943/slipped-distal-femoral-epiphysis-in-congenital-insensitivity-to-pain
#18
M Javed Shaikh, C Rex, R Vignesh, Madhav Chavan
INTRODUCTION: Congenital insensitivity to pain (CIP) is a rare disorder, and often presents to an orthopaedic surgeon as recurrent fractures, dislocations, pseudoarthrosis, osteomyelitis etc. Here, we report a case of congenital insensitivity to pain presenting with distal femoral physeal separation in a child. CASE REPORT: A 12-year-old girl child came with complaints of limp while walking and swelling in the left knee for past 5 weeks. Mother gave a history that the girl is a known case of congenital insensitivity to pain with clear history of no pain on intramuscular injection since birth...
April 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27698547/chronic-hip-dislocations-a-rarity-how-should-we-treat-them
#19
V Selimi, O Heang, Y Kim, E Woelber, J Gollogly
BACKGROUND: Chronically dislocated hips (>6 weeks) are usually the consequence of difficulties accessing appropriate healthcare in a timely fashion after dislocation; this explains why they are more common in developing countries. Due to a lack of research, there is currently no consensus on the best treatment available for patients presenting with this condition. Therefore, it is important to assess the treatments available so as to ensure that doctors adequately manage those presenting with this debilitating condition in the future...
December 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27678508/hip-stability-during-lengthening-in-children-with-congenital-femoral-deficiency
#20
Mark Eidelman, Julio J Jauregui, Shawn C Standard, Dror Paley, John E Herzenberg
BACKGROUND: Congenital femoral deficiency (CFD) is one of the most challenging and complex conditions for limb lengthening. We focused on the problem of hip instability during femoral lengthening because subluxation and dislocation are potentially catastrophic for hip function. METHODS: We assessed for hip stability in 69 children (91 femoral lengthenings) who had CFD Paley type 1a (43 children) and 1b (26 children). The mean age at first lengthening was 6.4 years...
December 2016: International Orthopaedics
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