Shahbaz Khan, Nida Hameed, Saddam Mazar, Imtiaz A Hashmi, Mohammad S Rafi, Mohammad Idrees Shah, Nadeem A Baloch
Purpose It is often difficult for the clinician to isolate the etiology of pain occurring either in the neck or shoulder because of the reason that neck pain can refer to the shoulder and vice versa. Concordance research has found that around one in 10 patients who were referred for cervical radiculopathy had comorbid shoulder pathology. The goal of this research is to analyze and correlate risk factors for persistent shoulder pain (non-dermatomal) following cervical spine surgery. Methods This was a single-center, retrospective study...
March 5, 2021: Curēus
Vasileios K Mousafeiris, Vasileios Tsekouras, Panagiotis Korovessis
Extra lateral interbody fusion (XLIF) has been established in recent years as an effective approach to address degenerative lumbar disc disease (DLDD). Although neurological and vascular complications during XLIF have been reported, to our knowledge, a combination of simultaneous vascular and neurovascular complication during XLIF has not been reported to date. A 72-year-old female patient was admitted to our orthopaedic department because of back pain associated with severe neuropathic radicular pain to her both lower extremities, incomplete paraplegia and low back fistula with serous secretion for several weeks...
March 4, 2021: Curēus
Randa Elmallah, Travis Fortin, Josny Thimothee, Hamdi Sukkarieh, Patrick B Wright, M Wade Shrader, Jaysson Brooks
Purpose Patients who have neuromuscular scoliosis, such as cerebral palsy (CP), often develop spinal deformities that negatively impact quality of life. The vertical expandable prosthetic titanium rib (VEPTR) was designed for thoracic insufficiency syndrome (TIS), but it has also been utilized in patients with CP with restrictive lung disease and spine deformity. Few studies report on VEPTRs in neuromuscular scoliosis; however, none reports on their utilization specifically in patients with CP. Our purpose was to assess if VEPTRs can improve spinal deformity and TIS in these patients...
March 4, 2021: Curēus
German Alejandro Jaramillo Quiceno, Rubén Darío Arias Pérez, Ana María Herrera Mejía
This research aims to present a novel arthroscopic fixation technique that uses a double-row suture anchor for tibial spine avulsion and to evaluate its short-term clinical outcomes. The surgical technique is described and a retrospective case series is presented. Patients who presented with tibial spine avulsion type III and IV fractures according to the Meyers and McKeever classification and received the same surgical treatment from 2013 to 2018 in two specialised hospitals in Medellín City were included...
March 2021: Journal of ISAKOS
Irene Zolfaroli, Ester Ortiz, Miguel-Ángel García-Pérez, Juan José Hidalgo-Mora, Juan J Tarín, Antonio Cano
OBJECTIVE: Experimental studies suggest that lipids affect bone metabolism. We aimed to elucidate whether lipid levels are associated with bone mineral density (BMD) in a cohort of postmenopausal women. DESIGN: A cross-sectional study of participants in the Chronic Ailment Reduction after MENopause (CARMEN) cohort. Women underwent assessment of clinical and analytical parameters, including fasting lipid levels. BMD was assessed at both lumbar spine and hip. Homogeneity in the cohort was optimized by filtering out a series of confounding variables with a known impact on bone...
May 2021: Maturitas
Li Zhu, Jing Zhang, Jing Wang, Xiaohong Lv, Dan Pu, Yanhua Wang, Qian Men, Lan He
OBJECTIVE: To investigate the mechanism underlying systemic lupus erythematosus (SLE)-related bone loss by evaluating the bone mineral density (BMD) and bone turnover markers (BTMs) in premenopausal patients with new-onset SLE without any treatment. METHODS: BMD and BTMs of 106 premenopausal patients with new-onset SLE and 64 gender-, age- and body mass index (BMI)-matched healthy controls were analyzed. BMD was determined using dual energy X-ray absorptiometry (DXA)...
April 8, 2021: Lupus
Rahul Gautam Talukdar, Kiran Kumar Mukhopadhyay, Santanu Dhara, Sanjay Gupta
The objective of this study was to develop an improved finite element (FE) model of a lumbar functional spinal unit (FSU) and to subsequently analyse the deviations in load transfer owing to implantation. The effects of loading and boundary conditions on load transfer in intact and implanted FSUs and its relationship with the potential risk of vertebral fracture were investigated. The FE models of L1-L5 and L3-L4 FSUs, intact and implanted, were developed using patient-specific CT-scan dataset and segmentation of cortical and cancellous bone regions...
April 9, 2021: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Raymond W Hwang, Samuel W Golenbock, David H Kim
STUDY DESIGN: Retrospective cohort. OBJECTIVES: Allocating cost is challenging with traditional hospital accounting. Time-driven activity-based costing (TDABC) is an efficient method to accurately assign cost. We sought to characterize the variation in direct total hospital cost (THC) among both lumbar fusion approaches and surgeons. METHODS: Patients were treated with single-level anterior interbody (ALIF), lateral interbody (LLIF), transforaminal interbody (TLIF), instrumented posterolateral (PLF) or in-situ fusion (ISF) for degenerative disease...
April 9, 2021: Global Spine Journal
Xuehui Zhou, Chengwen Li
RATIONALE: Granulocytic sarcoma (GS) is an extramedullary myeloid tumor composed of immature cells of the granulocytic series. It rarely occurs in acute promyelocytic leukemia (APL). No case of long-term survival in an APL patient with recurrent GS has been reported. PATIENT CONCERNS: A 54-year-old female patient was diagnosed with APL in 1995 and has been in complete remission (CR) of bone marrow morphology for 24 years; however, recurrent GS occurred successively in ovary, breast, spine, body of sternum, lymph nodes, soft tissues from 2004 to 2019...
April 9, 2021: Medicine (Baltimore)
Sara E Rudolph, Signe Caksa, Sarah Gehman, Maggie Garrahan, Julie M Hughes, Adam S Tenforde, Kathryn E Ackerman, Mary L Bouxsein, Kristin L Popp
Bone stress injuries (BSIs) occur in up to 20% of runners and military recruits and those with a history of BSI have a 5-fold higher risk for a subsequent BSI. Yet, little is known about prior training, menstrual status and bone structure in runners who experience multiple BSIs. PURPOSE: To determine differences in health and physical activity history, bone density, microarchitecture, and strength among female athletes with a history of multiple BSI, athletes with ≤1 BSI, and non-athletes...
April 7, 2021: Medicine and Science in Sports and Exercise
Farah Kaissar, Meyer Mikael, Prost Solene, Albader Faisal, Dufour Henry, Blondel Benjamin, Fuentes Stephane
BACKGROUND: Accurate screw placement remains very challenging especially in the cervical spine. OBJECTIVE: We present our first experience of minimally invasive posterior cervical and upper thoracic pedicle screw fixation in the lower cervical spine. METHODS: This is a case-series of patients, undergoing a posterior percutaneous pedicle fixation using Cirq® Robotic Assistance coupled to the AIRO® intraoperative computed tomography (iCT)-Scan and BrainLab® (Brainlab AG Olof-Palme-Straße 9 81829 Munich Germany) navigation system...
April 5, 2021: World Neurosurgery
Mark A Plantz, Silvia Minardi, Joseph G Lyons, Allison C Greene, David J Ellenbogen, Mitchell Hallman, Jonathan T Yamaguchi, Soyeon Jeong, Chawon Yun, Adam E Jakus, Kenneth R Blank, Robert M Havey, Muturi Muriuki, Avinash G Patwardhan, Ramille N Shah, Wellington K Hsu, Stuart R Stock, Erin L Hsu
We recently developed a recombinant growth factor-free bone regenerative scaffold composed of stoichiometric hydroxyapatite (HA) ceramic particles and human demineralized bone matrix (DBM) particles (HA-DBM). Here, we performed the first pre-clinical comparative evaluation of HA-DBM relative to the industry standard and established positive control, recombinant human bone morphogenetic protein-2 (rhBMP-2), using a rat posterolateral spinal fusion model (PLF). Female Sprague-Dawley rats underwent bilateral L4-L5 PLF with implantation of the HA-DBM scaffold or rhBMP-2...
April 5, 2021: Acta Biomaterialia
D Cushnie, C Fisher, H Hall, M Johnson, S Christie, C Bailey, P Phan, E Abraham, A Glennie, B Jacobs, J Paquet, K Thomas
BACKGROUND CONTEXT: Spine patients have a higher rate of depression then the general population which may be caused in part by levels of pain and disability from their spinal disease. PURPOSE: Determination whether improvements in health-related quality of life (HRQOL) resulting from successful spine surgery leads to improvements in mental health. STUDY DESIGN/SETTING: The Canadian Spine Outcome Research Network (CSORN) prospective surgical outcome registry...
April 5, 2021: Spine Journal: Official Journal of the North American Spine Society
Simone Perfetti, Alessia Diana, Marco Baron Toaldo, Mario Cipone, Manuela Quinci, Pascaline Pey
Computed tomography (CT) is increasingly available to evaluate dogs with suspected adrenal disease, however, published studies describing the reproducibility of CT methods for quantifying adrenal gland (AG) measurements are lacking. This prospective, pilot, observer agreement study aimed to evaluate reproducibility and repeatability of two different methods of measurement of AGs on CT to establish a usable technique and define standard reference ranges. Multiplanar reformatted (MPR) CT images of both AGs of six large breed dogs were obtained with the MPR axis parallel to the spine and parallel to the long axis of the AG...
April 8, 2021: Veterinary Radiology & Ultrasound
Andrew J Cozadd, Lisa K Schroder, Julie A Switzer
➤: Our ability to accurately identify high fracture risk in individuals has improved as the volume of clinical data has expanded and fracture risk assessment tools have been developed. ➤: Given its accessibility, affordability, and low radiation exposure, dual x-ray absorptiometry (DXA) remains the standard for osteoporosis screening and monitoring response to treatment. ➤: The trabecular bone score (TBS) is a DXA software add-on that uses lumbar spine DXA imaging to produce an output that correlates with bone microarchitecture...
April 8, 2021: Journal of Bone and Joint Surgery. American Volume
Chenyu Luo, Tianyun Jiang, Shan Tian, Yubo Fan
The purpose of this study was to investigate the lumbar spine stress with different backpack positions in parachuting landing using a finite element model of lumbar vertebra 1-5. The backpack gravity center was set at three positions (posterior-high (case PH), posterior-low (case PL), and anterior-low (case AL)) respectively. In results, the peak Von-Mises stresses of the matrix, nucleus, fibers, endplate and ligament in case AL were 2.765 MPa, 0.534 MPa, 6.561 MPa, 4.045 MPa and 1.790 MPa respectively, lower than those in case PL (6...
April 8, 2021: Computer Methods in Biomechanics and Biomedical Engineering
Gracia M Gallego-Sendarrubias, Lennard Voogt, José Luis Arias-Buría, Joel Bialosky, César Fernández-de-Las-Peñas
OBJECTIVE: Dry needling is commonly used for the management of musculoskeletal pain patients. However, the effects of patient expectations are uncertain. Our aim was to determine the effect of patient expectations on short-term clinical outcomes after the application of a single session of dry needling in individuals with neck pain. METHODS: We conducted a randomized, placebo controlled, clinical trial including fifty patients with mechanical neck pain. Participants received a single session of dry needling or sham needling in a blinded design...
April 8, 2021: Pain Medicine
Yu-Cheng Yeh, Chi-Hung Weng, Yu-Jui Huang, Chen-Ju Fu, Tsung-Ting Tsai, Chao-Yuan Yeh
Human spinal balance assessment relies considerably on sagittal radiographic parameter measurement. Deep learning could be applied for automatic landmark detection and alignment analysis, with mild to moderate standard errors and favourable correlations with manual measurement. In this study, based on 2210 annotated images of various spinal disease aetiologies, we developed deep learning models capable of automatically locating 45 anatomic landmarks and subsequently generating 18 radiographic parameters on a whole-spine lateral radiograph...
April 7, 2021: Scientific Reports
Jui-Teng Chien, Min-Hong Hsieh, Chang-Chen Yang, Ing-Ho Chen, Ru-Ping Lee
STUDY DESIGN: This study employed a retrospective study design. OBJECTIVE: This retrospective cohort study aimed to compare the outcomes of anterior cervical discectomy and fusion (ACDF), and those of conservative treatment for patients with cervical angina. SUMMARY OF BACKGROUND DATA: Cervical angina is typically characterized by intolerable and paroxysmal angina-like precordial pain, which is caused by cervical disk degeneration in patients without definitive cardiovascular abnormalities...
April 6, 2021: Clinical Spine Surgery
Carlos D Gomez, Shaona Acharjee, Megan L Lewis, Justin Read, Quentin J Pittman
Early life inflammatory-stress increases seizure susceptibility later in life. However, possible sex- and age-specific differences and the associated mechanisms are largely unknown. C57/BL6 mice were bred in house, and female and male pups were injected with lipopolysaccharide (LPS, 100 μg/kg i.p. ) or vehicle control (saline solution) at postnatal day 14 (p14). Seizure threshold was assessed in response to pentylenetetrazol (1% solution, i.v. ) in adolescence (∼p40) and adulthood (∼p60). We found that adult, but not adolescent mice treated with LPS displayed ∼34% lower seizure threshold compared with controls...
April 6, 2021: Journal of Neuroscience
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