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https://www.readbyqxmd.com/read/29657440/magnetic-growth-modulation-in-orthopaedic-and-spine-surgery
#1
REVIEW
Adam E M Eltorai, Carolina Fuentes
Purpose: To examine distraction-based methods for treatment of early onset scoliosis (EOS), focusing on the magnetically controlled growing rod system (MCGR) relative to traditional growing rod system (TGR). To briefly discuss internal magnetically controlled nails for bone lengthening as another application of magnetic growth modulation. Results: Relative to TGR, MCGR involves fewer complications related to infection and general anesthesia because of fewer successive surgeries required...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29624496/advances-in-deformity-correction-limb-lengthening-and-reconstruction
#2
EDITORIAL
Yasser Elbatrawy
This article summarizes the content of this special issue of the journal about: deformity correction, limb lengthening and reconstruction.
2018: SICOT-J
https://www.readbyqxmd.com/read/29600208/intra-articular-osteoid-osteoma-of-femoral-neck-region-a-simplified-treatment-strategy-and-review-of-literature
#3
Gaurav Garg, Rajat Malot
Introduction: Proximal femur is the common site for localization of benign bone lesions, and the diagnosis is often delayed and potentially challenging due to their atypical presentations. Early diagnosis is difficult as intra-articular lesions often present with clinical and radiological features of inflammatory synovitis in the joint. Case Report: Two patients of intra-articular osteoid osteoma in proximal femoral presented with atypical features limb lengthening, minimal reactive bone sclerosis, and multifocal nidus...
November 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29596981/the-vestibulomyogenic-balance-response-is-elevated-following-high-intensity-lengthening-contractions-of-the-lower-limb
#4
Emily I McIntosh, Geoffrey A Power, Brian H Dalton
The purpose was to investigate whether induced muscle weakness of the plantar and dorsiflexors through high-intensity lengthening contractions increases the vestibulomyogenic balance response. Nine males (∼25 years) participated in three experimental testing days to evaluate the vestibular control of standing balance and neuromuscular function of the plantar and dorsiflexors pre- and post (30 min, and 1 and 7 days) high-intensity lengthening plantar and dorsiflexions. To evaluate the vestibular-evoked balance response, participants stood quietly on a force plate while exposed to continuous, random electrical vestibular stimulation (EVS) for two 90-s trials...
March 26, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29587833/use-of-hybrid-assistive-limb-hal-%C3%A2-for-a-postoperative-patient-with-cerebral-palsy-a-case-report
#5
Yuki Mataki, Hiroshi Kamada, Hirotaka Mutsuzaki, Yukiyo Shimizu, Ryoko Takeuchi, Masafumi Mizukami, Kenichi Yoshikawa, Kazushi Takahashi, Mayumi Matsuda, Nobuaki Iwasaki, Hiroaki Kawamoto, Yasuyoshi Wadano, Yoshiyuki Sankai, Masashi Yamazaki
BACKGROUND: The Hybrid Assistive Limb (HAL® ) is an exoskeleton wearable robot suit that assists in voluntary control of knee and hip joint motion. There have been several studies on HAL intervention effects in stroke, spinal cord injury, and cerebral palsy. However, no study has investigated HAL intervention for patients with cerebral palsy after surgery. CASE PRESENTATION: We report a case of using HAL in a postoperative patient with cerebral palsy. A 15-year-old boy was diagnosed with spastic diplegia cerebral palsy Gross Motor Function Classification System level IV, with knee flection contracture, equinus foot, and paralysis of the right upper extremity with adduction contracture...
March 27, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29571564/balance-and-lower-limb-loads-distribution-after-ilizarov-corticotomy
#6
Piotr Morasiewicz, Wiktor Urbański, Mirosław Kulej, Szymon Łukasz Dragan, Szymon Feliks Dragan, Łukasz Pawik
INTRODUCTION: Normal balance and symmetric distribution of lower limb loads are associated with adequate muscle strength, joint mobility and proprioception. The aim of this study was to analyze the distribution of lower limb loads and balance prior to and after axis correction and lengthening with Ilizarov method. MATERIALS AND METHODS: The prospective analysis included 20 patients from our clinic, who have been subjected to distraction-corrective lower limb corticotomies with the Ilizarov method in 2014-2015...
March 17, 2018: Injury
https://www.readbyqxmd.com/read/29567059/conversion-of-standard-roux-en-y-gastric-bypass-to-distal-bypass-for-weight-loss-failure-and-metabolic-syndrome-3-year-follow-up-and-evolution-of-technique-to-reduce-nutritional-complications
#7
Saber Ghiassi, Kelvin Higa, Steven Chang, Pearl Ma, Aaron Lloyd, Keith Boone, Eric J DeMaria
BACKGROUND: Standard proximal Roux-en-Y gastric bypass (RYGB) fails to achieve long-term weight maintenance and/or control of metabolic syndrome in up to 35% of patients. OBJECTIVES: To improve the performance of the standard proximal gastric bypass by increasing the biliopancreatic limb length at the expense of the common channel. SETTINGS: Academic-affiliated private practice. METHODS: A retrospective review of all patients who underwent conversion to distal RYGB from 2010 to 2016 was performed...
January 31, 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29544488/influence-of-surgery-involving-tendons-around-the-knee-joint-on-ankle-motion-during-gait-in-patients-with-cerebral-palsy
#8
Seung Yeol Lee, Soon-Sun Kwon, Chin Youb Chung, Kyoung Min Lee, Ki Hyuk Sung, Sangwoo Kim, Moon Seok Park
BACKGROUND: Simultaneous motion of the knee and ankle joints is required for many activities including gait. We aimed to evaluate the influence of surgery involving tendons around the knee on ankle motion during gait in the sagittal plane in cerebral palsy patients. METHODS: We included data from 55 limbs in 34 patients with spastic cerebral palsy. Patients were followed up after undergoing only distal hamstring lengthening with or without additional rectus femoris transfer...
March 15, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29536527/mid-term-development-of-hamstring-tendon-length-and-velocity-after-distal-femoral-extension-osteotomy-in-children-with-bilateral-cerebral-palsy-a-retrospective-cohort-study
#9
Firooz Salami, Julia Wagner, Stefan van Drongelen, Matthias C M Klotz, Thomas Dreher, Sebastian I Wolf, Mirjam Niklasch
AIM: Flexed knee gait can be treated with distal femoral extension osteotomy (DFEO) and additional patellar tendon advancement (PTA) in children with cerebral palsy (CP). This study assesses changes in hamstring muscle tendon length (MTL) and velocity after DFEO (+PTA). METHOD: Nineteen children (mean age 13y [standard deviation 3y] at surgery) with CP and flexed knee gait who were treated with DFEO (15 limbs) or DFEO+PTA (10 limbs) were retrospectively included in this study...
March 14, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29536062/restoring-one-way-traffic-across-the-roux-loop-the-nakajo-value
#10
Ashwin Rammohan, Sripriya Srinivas, Yahya Al Azri, Mettu Srinivas Reddy, Mohamed Rela
Roux-en-Y (RY) hepaticojejunostomy (HJ) is a critical component of complex hepatobiliary operations, and it is the treatment of choice for post-cholecystectomy biliary strictures (PCBS). Complications related to the Roux limb, particularly those leading to cholangitis, can severely compromise outcomes. We present a case of a 54-year-old lady who had previously undergone two HJ procedures for recurrent PCBS. The same Roux limb had been used in each of the operations. Short Roux/Roux reflux syndrome led to recurrent cholangitis in this patient, as proven by the reflux of oral contrast into the biliary tree on imaging...
February 2018: Annals of Hepato-Biliary-Pancreatic Surgery
https://www.readbyqxmd.com/read/29529639/what-are-the-complications-of-allograft-reconstructions-for-sarcoma-resection-in-children-younger-than-10-years-at-long-term-followup
#11
Luis A Aponte-Tinao, Jose I Albergo, Miguel A Ayerza, D Luis Muscolo, Federico Milano Ing, German L Farfalli
BACKGROUND: Preservation of limb function after resection of malignant bone tumors in skeletally immature children is challenging. Resection of bone sarcomas and reconstruction with an allograft in patients younger than 10 years old is one reconstructive alternative. However, long-term studies analyzing late complications and limb length discrepancy at skeletal maturity are scarce; this information would be important, because growth potential is altered in these patients owing to the loss of one physis during tumor resection...
March 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29516039/non-structural-misalignments-of-body-posture-in-the-sagittal-plane
#12
REVIEW
Dariusz Czaprowski, Łukasz Stoliński, Marcin Tyrakowski, Mateusz Kozinoga, Tomasz Kotwicki
Background: The physiological sagittal spinal curvature represents a typical feature of good body posture in the sagittal plane. The cervical and the lumbar spine are curved anteriorly (lordosis), while the thoracic segment is curved posteriorly (kyphosis). The pelvis is inclined anteriorly, and the lower limbs' joints remain in a neutral position. However, there are many deviations from the optimal body alignment.The aim of this paper is to present the most common types of non-structural misalignments of the body posture in the sagittal plane...
2018: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/29494761/a-rare-fatal-complication-of-llizarov-procedure
#13
Asit Kumar Sikary, Mahesh Kumar, Shivani Dhaka, Arulselvi Subramanian
Ilizarov process is used for the management of multiple fractures, polytrauma conditions, cosmetic limb lengthening, and fracture malunion. Complications associated with the process are nerve palsy, joint contracture, premature or delayed osseous consolidation, a nonunion and permanent stiffness of the joint, pin tract infection, edema, and transient paresthesia, etc. In our case, there was a fatal complication. A 25-year-old African lady underwent the Ilizarov procedure for femur lengthening in a hospital in New Delhi, India...
March 1, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29494464/simultaneous-acute-femoral-deformity-correction-and-gradual-limb-lengthening-using-a-retrograde-femoral-nail-technique-and-clinical-results
#14
Christopher A Iobst, S Robert Rozbruch, Scott Nelson, Austin Fragomen
INTRODUCTION: Patients with limb-length discrepancies often have concomitant deformity. We describe the outcomes of acute, fixator-assisted deformity correction with gradual lengthening using the retrograde femoral Precice nail (NuVasive). METHODS: We analyzed a retrospective series of 27 patients in whom an external fixator was combined with a Precice nail to correct angular or rotational deformity and limb-length discrepancy. The fixator was applied temporarily to restore normal alignment...
April 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29397412/resection-arthrodesis-using-distraction-osteogenesis-then-plating-as-a-hybrid-surgical-technique-for-the-management-of-bone-sarcomas-of-the-distal-tibia
#15
Teng-Fei Lou, Hua Li, Yi-Min Chai, Chun-Yang Wang, Sheng-He Liu, Musha Hamushan, Fan Wu, Wei-Jie Cai, Pei Han
PURPOSE: We report the oncological and functional results of limb salvage for bone sarcomas involving the distal tibia using hybrid surgical technique of resection arthrodesis by bone transport then plating. METHODS: Five patients (mean age 18.6 years) with primary distal tibial sarcomas (two Ewing's sarcomas and three osteosarcomas) were treated by this method. The average duration of follow-up is 53 months. All patients accepted distraction osteogenesis with a standard technique using external fixator after wide (four cases) or marginal (one case) resection in the first operation...
February 3, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29389718/rectus-femoris-transfer-versus-rectus-intramuscular-lengthening-for-the-treatment-of-stiff-knee-gait-in-children-with-cerebral-palsy
#16
Matthew D Ellington, Allison C Scott, Judith Linton, Elroy Sullivan, Douglas Barnes
BACKGROUND: Rectus femoris transfer (RFT) is used to treat stiff knee gait in spastic cerebral palsy. Recently, rectus femoris lengthening has been reported as treatment for stiff knee gait. The purpose of this study was to compare short-term outcomes of 2 surgical procedures. METHODS: A retrospective chart review of 23 patients (42 limbs) with diplegic spastic cerebral palsy who had undergone rectus femoris intramuscular lengthening for treatment of stiff knee gait with a Gross Motor Function Classification System level I, II, or III was completed...
January 31, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29385865/three-dimensional-limb-lengthening-after-total-knee-arthroplasty-in-a-simulation-study
#17
Takaaki Ohmori, Tamon Kabata, Yoshitomo Kajino, Daisuke Inoue, Tadashi Taga, Takashi Yamamoto, Tomoharu Takagi, Junya Yoshitani, Takuro Ueno, Ken Ueoka, Hiroyuki Tsuchiya
OBJECTIVES: Limb lengthening after total knee arthroplasty (TKA) has been reported in some cases, all of which were evaluated using 2-dimensional images. To our knowledge, no case has been evaluated using 3-dimensional (3D) images. We investigated 3D limb lengthening after TKA. METHODS: We simulated 100 varus knees using 3D templating software. Virtual TKA was performed to maintain the original joint line by conducting a measured-resection technique. We examined the relationships of 3D distance between the femoral head center and ankle center before and after TKA, degree of hip-knee-ankle angle (HKA) improvement, and degree of flexion contracture angle improvement...
February 1, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29352575/double-plication-for-spring-mediated-intestinal-lengthening-of-a-defunctionalized-roux-limb
#18
Genia Dubrovsky, Nhan Huynh, Anne-Laure Thomas, Shant Shekherdimian, James C Y Dunn
BACKGROUND: Spring-mediated distraction enterogenesis has been shown to increase the length of an intestinal segment. The goal of this study is to use suture plication to confine a spring within an intestinal segment while maintaining luminal patency to the rest of the intestine. METHODS: Juvenile mini-Yucatan pigs underwent placement of nitinol springs within a defunctionalized Roux limb of jejunum. A 20 French catheter was passed temporarily, and sutures were used to plicate the intestinal wall around the catheter at both ends of the encapsulated spring...
December 26, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29299643/body-foot-geometries-as-revealed-by-perturbed-obstacle-position-with-different-time-constraints
#19
Louis-Philippe Dugas, Laurent J Bouyer, Bradford J McFadyen
This study examined the geometrical relationships between the feet, pelvis and an environmental obstruction when crossing an obstacle with unexpected changes to its position. Nine healthy young adults stepped over an obstacle 19 cm high with their right leg leading. The obstacle could be static or advanced at either lead (early detection) or trail (late detection) foot contact prior to clearance to force an adaptive reorganization of body-foot geometry and foot proximity to the obstacle. Stride length, minimum foot clearance over the obstacle, and foot-obstacle horizontal proximity before and after clearance were measured along with the relative position of the pelvis to each foot at eight points (four for each foot) during approach and clearance: heel contacts before and after crossing the obstacle, maximum foot heights and foot clearances...
March 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29245094/concomitant-rhomboid-shaped-tibiae-and-fibulae-finger-like-projections-and-orthopedic-management-in-a-new-variant-of-nievergelt-syndrome-a-case-report
#20
Tuna Pehlivanoğlu, Mehmet Demirel, Yavuz Sağlam, Halil İbrahim Balci, Hayati Durmaz
INTRODUCTION: The rare Nievergelt syndrome (NS) is the most severe form of mesomelic dysplasia and is characterized by disproportionate shortness of the limbs. The aim of this case report was to describe the clinical and radiological features of a rare case of NS. PRESENTATION OF CASE: Here we describe a female patient originally presenting with bilateral hand, lower leg, and foot deformities at the age of 10 years old. In addition to the characteristic features of NS, this patient presented with finger-like projections on her heels, bilateral hand anomalies, and atypical facial features...
2018: International Journal of Surgery Case Reports
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