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hip dysplasia

Vimarsha G Swami, Lei Liu, Myles Mabee, Jacob L Jaremko
PURPOSE: Indices from 3-D ultrasound may have a role in developmental dysplasia of the hip (DDH) assessment, but require a way to determine spatial orientation relative to body axes. The lateral iliac wall angle is a potentially suitable reference axis in 3-D ultrasound. We sought to quantify normal values and variations of the infant iliac wall angle on radiography, and compare with computed tomography (CT). METHODS: Acetabular and lateral iliac angles were measured on frontal pelvic radiographs of 200 patients (400 hips, 183 with DDH) and coronal CT of 20 patients (40 hips) aged 0-12 months...
October 15, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
Lívia R Teixeira, Stelio P L Luna, Lídia M Matsubara, Maria L B Cápua, Bianca P C R Santos, Luciane R Mesquita, Luis G Faria, Felipe S Agostinho, Anna Hielm-Björkman
OBJECTIVE To evaluate pain intensity and kinetic variables in dogs with hip dysplasia (HD) treated with acupuncture, carprofen, or a placebo. DESIGN Randomized, controlled clinical study. ANIMALS 54 HD-affected dogs and 16 healthy dogs. PROCEDURES Seven HD-affected dogs were removed from the study. Dogs with HD were treated in a blinded manner for 30 days with acupuncture (once weekly for 5 sessions; n = 15), carprofen (4.4 mg/kg [2.0 mg/lb], PO, q 24 h; n = 16), or placebo capsules containing lactose (1 mg/kg [0...
November 1, 2016: Journal of the American Veterinary Medical Association
Mohammed A Zwawi, Faissal A Moslehy, Christopher Rose, Victor Huayamave, Alain J Kassab, Eduardo Divo, Brendan J Jones, Charles T Price
: This study utilized a computational biomechanical model and applied the least energy path principle to investigate two pathways for closed reduction of high grade infantile hip dislocation. The principle of least energy when applied to moving the femoral head from an initial to a final position considers all possible paths that connect them and identifies the path of least resistance. Clinical reports of severe hip dysplasia have concluded that reduction of the femoral head into the acetabulum may occur by a direct pathway over the posterior rim of the acetabulum when using the Pavlik harness, or by an indirect pathway with reduction through the acetabular notch when using the modified Hoffman-Daimler method...
October 20, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Julie A Gervais, James K Roush, David S Biller
OBJECTIVES: To assess the potential of a new single-session surgical procedure, the overlapping pubic and ischiatic osteotomy (OPIO) for modification of bilateral hip conformation. We hypothesized that OPIO would be simple to perform with currently available surgical equipment, through a single surgical approach, with minimal potential morbidity, and that it would allow adequate simultaneous bilateral improvement of coxofemoral joint conformation in patients at risk of canine hip dysplasia...
October 20, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
Rahul Tyagi, Marcin R Zgoda, Rachel Short
National Health Service Quality Improvement Scotland (NHS QIS) published a health technology scoping report in 2006 acknowledging that there are serious concerns within Scotland in relation to Developmental Dysplasia of Hip (DDH) as there is no formal screening program in place and there are significant variations between NHS boards leading to confusion for staff and parents. NHS QIS identified need for audit work to improve hip screening in Scotland. The aim of this study is review of current practice of selective screening for DDH...
September 19, 2016: Orthopedic Reviews
X M Lü, C Feng, Y F Dong, G Fu, Y Guo
Objective: To explore the influence of the labro-chondral complex (LLC) on the development of the acetabulum after close reduction in developmental dysplasia of the hip (DDH). Methods: Sixty-one cases (72 hips) with DDH presented in Beijing Jishuitan Hospital were reviewed, all the patients were treated by closed reduction, arthrogram and Spica casting from March 2010 to December 2013. The anterior-posterior pelvic radiography was performed to evaluate the morphology of the labro-chondral complex and reduction of the hip...
October 11, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Joel Wells, Jeffrey J Nepple, Karla Crook, James R Ross, Asheesh Bedi, Perry Schoenecker, John C Clohisy
BACKGROUND: Hip dysplasia represents a spectrum of complex deformities on both sides of the joint. Although many studies have described the acetabular side of the deformity, to our knowledge, little is known about the three-dimensional (3-D) head and neck offset differences of the femora of dysplastic hips. A thorough knowledge of proximal femoral anatomy is important to prevent potential impingement and improve results after acetabular reorientation. QUESTIONS/PURPOSES: (1) Are there common proximal femoral characteristics in patients with symptomatic hip dysplasia undergoing periacetabular osteotomy (PAO)? (2) Where is the location of maximal femoral head and neck offset deformity in hip dysplasia? (3) Do certain subgroups of dysplastic hips more commonly have cam-type femoral morphology? (4) Is there a relationship between hip ROM as well as impingement testing and 3-D head and neck offset deformity? METHODS: Using our hip preservation database, 153 hips (148 patients) underwent PAO from October 2013 to July 2015...
October 17, 2016: Clinical Orthopaedics and related Research
So Minokawa, Masatoshi Naito, Koichi Kinoshita, Takuaki Yamamoto
BACKGROUND: The vascular supply to the acetabular labrum is important in the treatment of labral lesions. However, in vivo blood flow measurements in the acetabular labrum have not been described in the literature. The purpose of this study was to examine this blood flow in vivo using laser Doppler flowmetry (LDF) in patients with acetabular dysplasia. METHODS: Periacetabular osteotomy combined with arthroscopy was performed in 47 consecutive patients (three males, 44 females; mean age at surgery, 35...
October 17, 2016: Journal of Orthopaedic Surgery and Research
Atul Bhaskar, Hardik Desai, Gaurav Jain
BACKGROUND: Re-dislocation after primary treatment of developmental dysplasia of the hip is a serious complication. We analyzed the various risk factors that contribute to re-dislocation, and whether the bony ossific nucleus (ON) confers increased stability against re-dislocation. MATERIALS AND METHODS: Fifty-five children (60 hips) were classified into three treatment groups: Closed reduction (CR) in 15 children (17 hips), open reduction (OR) in 26 children (28 hips), and OR with bony surgery (ORB) in 14 children (15 hips)...
September 2016: Indian Journal of Orthopaedics
Vikesh V Chandaria, James McGinty, Niamh C Nowlan
Mechanical forces due to fetal movements play an important role in joint shape morphogenesis, and abnormalities of the joints relating to abnormal fetal movements can have long-term health implications. While mechanical stimulation during development has been shown to be important for joint shape, the relationship between the quantity of mechanical stimulation and the growth and shape change of developing cartilage has not been quantified. In this study, we culture embryonic chick limb explants in vitro in order to reveal how the magnitude of applied movement affects key aspects of the developing joint shape...
October 12, 2016: Journal of Biomechanics
Megan K Mills, Colin D Strickland, Mary K Jesse, Peter A Lowry, Omer Mei-Dan, Jonathan A Flug
Osteoarthritis of the hip remains a prevalent disease condition that influences ever-changing treatment options. Procedures performed to correct anatomic variations, and, in turn, prevent or slow the progression of osteoarthritis, are aptly referred to as types of hip preservation surgery (HPS). Conditions that predispose individuals to femoroacetabular impingement (FAI), including pincer- and cam-type morphology, and hip dysplasia are specifically targeted in HPS. Common surgical interventions include acetabuloplasty, osteochondroplasty, periacetabular osteotomy (PAO), and derotational femoral osteotomy (DFO)...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Jose M Vilar, Belen Cuervo, Monica Rubio, Joaquín Sopena, Juan M Domínguez, Angelo Santana, Jose M Carrillo
BACKGROUND: Subjective pain assessment scales have been widely used for assessing lameness in response to pain, but the accuracy of these scales has been questioned. To assess scale accuracy, 10 lame, presa Canario dogs with osteoarthritis (OA) associated with bilateral hip dysplasia were first treated with mesenchymal stem cells. Then, potential lameness improvement was analyzed using two pain scales (Bioarth and visual analog scale). These data were compared with similar data collected using a force platform with the same animals during a period of 6 months after treatment...
October 7, 2016: BMC Veterinary Research
Xuyi Wang, Jianping Peng, De Li, Linlin Zhang, Hui Wang, Leisheng Jiang, Xiaodong Chen
BACKGROUND: The success of Bernese periacetabular osteotomy depends significantly on how extent the acetabular fragment can be corrected to its optimal position. This study was undertaken to investigate whether correcting the acetabular fragment into the so-called radiological "normal" range is the best choice for all developmental dysplasia of the hip with different severities of dysplasia from the biomechanical view? If not, is there any correlation between the biomechanically optimal position of the acetabular fragment and the severity of dysplasia? METHODS: Four finite element models with different severities of dysplasia were developed...
October 4, 2016: Journal of Orthopaedic Surgery and Research
Florian Schmaranzer, Pascal C Haefeli, Markus S Hanke, Emanuel F Liechti, Stefan F Werlen, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) allows an objective, noninvasive, and longitudinal quantification of biochemical cartilage properties. Although dGEMRIC has been used to monitor the course of cartilage degeneration after periacetabular osteotomy (PAO) for correction of hip dysplasia, such longitudinal data are currently lacking for femoroacetabular impingement (FAI). QUESTIONS/PURPOSES: (1) How does the mean acetabular and femoral dGEMRIC index change after surgery for FAI at 1-year followup compared with a similar group of patients with FAI treated without surgery? (2) Does the regional distribution of the acetabular and femoral dGEMRIC index change for the two groups over time? (3) Is there a correlation between the baseline dGEMRIC index and the change of patient-reported outcome measures (PROMs) at 1-year followup? (4) Among those treated surgically, can dGEMRIC indices distinguish between intact and degenerated cartilage? METHODS: We performed a prospective, comparative, nonrandomized, longitudinal study...
October 5, 2016: Clinical Orthopaedics and related Research
L J Ding, Y L Liu, G Ma, Y Q Jia, Y S H Wei, X M Liu
This study aimed to determine whether abnormal apoptosis is present in acetabular cartilage in early developmental dislocations of the hip (DDH), and if so, whether it is correlated with the expression of caspase-3 and Bcl-2. DDH was induced in 24 4-week-old New Zealand white rabbits. Acetabular cartilage specimens from the experimental and control groups were stained with hematoxylin and eosin (H&E). Animals from the experimental group developed acetabular dysplasia. Apoptotic chondrocytes were observed by ultrastructural electron microscopy and H&E...
September 23, 2016: Genetics and Molecular Research: GMR
Aizhen Qiu, Zhongxiu Yang, Jiping Wang, Taotao Wang
The aim of the study was to assess the clinical value of ultrasound screenings for the developmental dysplasia of the hip (DDH) and explore its etiology in high-risk infants with cerebral palsy in follow-up visits. A group of 98 cases of infants at high-risk of cerebral palsy who received rehabilitation treatment between July, 2009 and July, 2010 were selected. Infants included 58 men and 40 women, aged <6 months and not lost to follow-up visits. Ultrasound (using Graf static inspection) screening of hips was performed and the infants with abnormalities were given clinical intervention, and 1- to 2-year-old infants were given outpatient follow-ups...
October 2016: Experimental and Therapeutic Medicine
Fatemeh Saberi Hosnijeh, Maria E Zuiderwijk, Mathijs Versteeg, Hieronymus T W Smeele, Albert Hofman, André G Uitterlinden, Rintje Agricola, Edwin H G Oei, Jan H Waarsing, Sita M Bierma-Zeinstra, Joyce B J van Meurs
Objectives Cam deformity and acetabular dysplasia have been recognized as relevant risk factors for hip osteoarthritis (OA) in a few prospective studies with limited sample sizes. However, to date, there is no evidence available from prospective studies if the magnitude of these associations differ by gender, body mass index (BMI), and age. Methods Participants of Rotterdam Study cohort including men and women aged 55 years or older without OA at baseline (n=4438) and mean follow-up of 9.2 years were included in the study...
October 1, 2016: Arthritis & Rheumatology
Kotaro R Shibata, Shuichi Matsuda, Marc R Safran
PURPOSE: The purpose of this study was to determine whether or not there is a distinct pattern of injury to the acetabular labrum and/or cartilage in the hip with instability without bony dysplasia. METHODS: Surgical records and intra-operative images of consecutive patients who underwent primary hip arthroscopy for femoroacetabular impingement (FAI) and/or hip instability by the senior author from April 2007 to December 2014 were retrospectively reviewed. Pathological changes were documented and charted on a novel diagram of the acetabulum, and classified into eight patterns corresponding to the lesion's location and size...
October 1, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
T Amano, Y Hasegawa, T Seki, Y Takegami, K Murotani, N Ishiguro
AIMS: The influence of identifiable pre-operative factors on the outcome of eccentric rotational acetabular osteotomy (ERAO) is unknown. We aimed to determine the factors that might influence the outcome, in order to develop a scoring system for predicting the prognosis for patients undergoing this procedure. PATIENTS AND METHODS: We reviewed 700 consecutive ERAOs in 54 men and 646 women with symptomatic acetabular dysplasia or early onset osteoarthritis (OA) of the hip, which were undertaken between September 1989 and March 2013...
October 2016: Bone & Joint Journal
Ran Schwarzkopf, Garwin Chin, Kelvin Kim, Dermot Murphy, Antonia F Chen
BACKGROUND: The incidence of hip fractures is growing with the increasing elderly population. Typically, hip fractures are treated with open reduction internal fixation, hemiarthroplasty, or total hip arthroplasty (THA). Failed hip fracture fixation is often salvaged by conversion THA. The total number of conversion THA procedures is also supplemented by its use in treating different failed surgical hip treatments such as acetabular fracture fixation, Perthes disease, slipped capital femoral epiphysis, and developmental dysplasia of the hip...
September 1, 2016: Journal of Arthroplasty
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