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https://www.readbyqxmd.com/read/28931369/acute-hiv-infection-presenting-as-hemophagocytic-lymphohistiocytosis-case-report-and-review-of-the-literature
#1
Farheen Manji, Evan Wilson, Etienne Mahe, John Gill, John Conly
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is an uncommon systemic inflammatory condition that can result from infections, autoimmune diseases and malignancies. It is a rarely reported life threatening complication of an acute HIV infection, with only ten documented case reports per our literature search. We present a case of HLH secondary to acute HIV infection with a negative HIV antibody-based assay and high plasma viral load. CASE PRESENTATION: A 45 year old male with a past medical history of well controlled hypertension presented with fever, dizziness and non-bloody diarrhea...
September 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28884314/spectroscopic-sampling-of-the-left-side-of-long-te-spin-echoes-a-free-lunch
#2
Robert V Mulkern, Mukund Balasubramanian
OBJECTIVE: Use of spectroscopically-acquired spin echoes typically involves Fourier transformation of the right side of the echo while largely neglecting the left side. For sufficiently long echo times, the left side may have enough spectral resolution to offer some utility. Since the acquisition of this side is "free", we deemed it worthy of attention and investigated the spectral properties and information content of this data. MATERIALS AND METHODS: Theoretical expressions for left- and right-side spectra were derived assuming Lorentzian frequency distributions...
September 7, 2017: Magma
https://www.readbyqxmd.com/read/28815865/bone-marrow-and-adipose-mesenchymal-stem-cells-attenuate-cardiac-fibrosis-induced-by-methotrexate-in-rats
#3
Ebtehal Mohammad Fikry, Wedad A Hassan, Amany M Gad
Mesenchymal stem cells (MSCs) are an ideal adult stem cell with capacity for self-renewal and differentiation with an extensive tissue distribution. The present study evaluates the therapeutic effects of bone marrow mesenchymal stem cells (BM-MSCs) or adipose-derived mesenchymal stem cells (AD-MSCs) against the development of methotrexate (MTX)-induced cardiac fibrosis versus dexamethasone (DEX). Rats were allocated into five groups; group 1, received normal saline orally; group 2, received MTX (14 mg/kg/week for 2 weeks); groups 3 and 4, treated once with 2 × 10(6) cells of MTX + BM-MSCs and MTX + AD-MSCs, respectively; and group 5, MTX + DEX (0...
August 16, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28806275/effects-of-creatine-and-carbohydrate-loading-on-cycling-time-trial-performance
#4
Kristyen A Tomcik, Donny M Camera, Julia L Bone, Megan L Ross, Nikki A Jeacocke, Bill Tachtsis, Joan Senden, Luc J C van Loon, John A Hawley, Louise M Burke
INTRODUCTION: Creatine- and carbohydrate-loading are dietary strategies used to enhance exercise capacity. This study examined the metabolic and performance effects of a combined creatine and CHO-loading regiment on time-trial (TT) cycling bouts. METHODS: Eighteen well-trained (~65mL[BULLET OPERATOR]kg[BULLET OPERATOR]min VO2peak) males completed three performance trials (PT) comprised of a 120-km cycling TT interspersed with alternating 1- and 4-km sprints (6 sprints each) performed every 10-km followed by an inclined ride to fatigue (~90% VO2peak)...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28767733/lactate-dehydrogenase-and-creatine-kinase-as-poor-prognostic-factors-in-lung-cancer-a-retrospective-observational-study
#5
Lei Liu, Ying He, Ge Ge, Lei Li, Ping Zhou, Yihan Zhu, Huairong Tang, Yan Huang, Weimin Li, Li Zhang
PURPOSE: Circulating molecules play important roles in lung cancer diagnosis. In addition, plasma lactate dehydrogenase (LDH) and creatine kinase (CK) have been shown to be closely related to tumor progression in breast cancer, prostate cancer, and colonel cancer. However, the relationships between LDH and CK levels with metastasis occurrence and the survival status of lung cancer patients remain unclear. EXPERIMENTAL DESIGN: A total of 1142 lung cancer patients were enrolled in this study and were separated into negative or positive groups, according to the plasma levels of CK or LDH...
2017: PloS One
https://www.readbyqxmd.com/read/28754454/clinical-spectra-of-neuromuscular-manifestations-in-patients-with-lipodystrophy-a-multicenter-study
#6
Gulcin Akinci, Haluk Topaloglu, Tevfik Demir, Ayca Ersen Danyeli, Beril Talim, Fatma Ela Keskin, Pinar Kadioglu, Enez Talip, Canan Altay, Guzin Fidan Yaylali, Habib Bilen, Banu Nur, Leyla Demir, Huseyin Onay, Baris Akinci
Lipodystrophy is a heterogeneous group of disorders characterized by loss of adipose tissue. Here, we report on clinical spectra of neuromuscular manifestations of Turkish patients with lipodystrophy. Seventy-four patients with lipodystrophy and 20 healthy controls were included. Peripheral sensorimotor neuropathy was a common finding (67.4%) in lipodystrophic patients with diabetes. Neuropathic foot ulcers were observed in 4 patients. Drop foot developed in 1 patient with congenital generalized lipodystrophy type 1...
June 1, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28740938/whole-body-vibration-exercise-is-well-tolerated-in-patients-with-duchenne-muscular-dystrophy-a-systematic-review
#7
REVIEW
Eloá Moreira-Marconi, Danubia C Sá-Caputo, Carla F Dionello, Eliane O Guedes-Aguiar, Cintia R Sousa-Gonçalves, Danielle S Morel, Laisa L Paineiras-Domingos, Patricia L Souza, Cristiane R Kütter, Rebeca G Costa-Cavalcanti, Glenda Costa, Patricia C Paiva, Claudia Figueiredo, Samuel Brandão-Sobrinho-Neto, Christina Stark, Marianne Unger, Mario Bernardo-Filho
BACKGROUND: Duchenne muscular dystrophy (DMD) is caused by a defective gene located on the X-chromosome, responsible for the production of the dystrophin protein. Complications in the musculoskeletal system have been previously described in DMD patients. Whole body vibration exercise (WBVE) is a treatment that improves musculoskeletal function in movement disorders. The aim of this study was to review the effects of WBVE on functional mobility, bone and muscle in DMD patients. MATERIALS AND METHODS: Four databases were searched...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28735260/aetiological-investigations-in-early-developmental-impairment-are-they-worth-it
#8
Anthony Richard Hart, Ruchi Sharma, Mark Atherton, Samer Alabed, Sally Simpson, Stuart Barfield, Judith Cohen, Nicholas McGlashan, Asha Ravi, Michael James Parker, Daniel Ja Connolly
OBJECTIVE: To study the frequency a diagnosis is made in children with early developmental impairment (EDI), and the contribution made to diagnosis by specific investigations. DESIGN: Retrospective case note review. SETTING: Community, neurodisability and neurology department at a UK tertiary centre. PARTICIPANTS: Children referred to determine the aetiology of EDI where a cause was not evident on history and examination...
July 22, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28692495/the-clinical-significance-of-technetium-99m-methylene-diphosphonate-bone-scintigraphy-findings-in-patients-with-rhabdomyolysis
#9
Jeong Won Lee, Eun-Young Lee, Sae-Yong Hong, Ik Dong Yoo, Sang Mi Lee
OBJECTIVE: This study evaluated the relationship between bone scintigraphy finding and clinical factors and assessed the prognostic value of bone scintigraphy finding in patients with rhabdomyolysis. PATIENTS AND METHODS: We retrospectively enrolled 143 patients with rhabdomyolysis who had undergone bone scintigraphy. Bone scintigraphy was classified into three groups: no or equivocal soft tissue uptake, a localized uptake, and a diffuse uptake. The relationship of bone scintigraphy findings with clinical factors was evaluated...
October 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28448083/are-dietary-supplements-and-nutraceuticals-effective-for-musculoskeletal-health-and-cognitive-function-a-scoping-review
#10
G Iolascon, R Gimigliano, M Bianco, A De Sire, A Moretti, A Giusti, N Malavolta, S Migliaccio, A Migliore, N Napoli, P Piscitelli, G Resmini, U Tarantino, F Gimigliano
OBJECTIVE: The aim of our scoping review was to summarize the state of the art regarding micronutrients in order to identify which of them might effectively improve health status in the areas typically impaired in older people: bone, skeletal muscle, and cognitive function. DESIGN: Scoping review. METHODS: The Italian Study Group on Healthy Aging by Nutraceuticals and Dietary Supplements (HANDS) performed this scoping review, based on the following steps: doing a list of micronutrients related with musculoskeletal or cognitive functions, included in dietary supplements and nutraceuticals commercialized in Italy; planning a research on PubMed, according to an evidence-based approach, in order to the most relevant positive study for each micronutrient into each of the three areas involved (bone, skeletal muscle and cognitive function); identifying the micronutrients effective in maintaining or achieving an adequate health status in older people, specifying the effective and safe daily doses, according to the selected studies...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28446938/minimally-invasive-surgery-for-resection-of-ossification-of-the-ligamentum-flavum-in-the-thoracic-spine
#11
Wei Zhao, Chaoxiong Shen, Ranze Cai, Jianfeng Wu, Yuandong Zhuang, Zhaowen Cai, Rui Wang, Chunmei Chen
INTRODUCTION: Thoracic ossification of the ligamentum flavum (TOLF) is a common cause of progressive thoracic myelopathy. Surgical decompression is commonly used to treat TOLF. AIM: To evaluate the clinical outcomes of microsurgical decompression of TOLF via a paraspinal approach, using a percutaneous tubular retractor system. MATERIAL AND METHODS: First, three-dimensional (3D) image reconstruction and printed models were made from thin computed tomography scans for each patient...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28442927/mechanical-factors-and-vitamin-d-deficiency-in-schoolchildren-with-low-back-pain-biochemical-and-cross-sectional-survey-analysis
#12
Ahmad H Alghadir, Sami A Gabr, Einas S Al-Eisa
OBJECTIVE: This study was designed to evaluate the role of vitamin D, muscle fatigue biomarkers, and mechanical factors in the progression of low back pain (LBP) in schoolchildren. BACKGROUND: Children and adolescents frequently suffer from LBP with no clear clinical causes, and >71% of schoolchildren aged 12-17 years will show at least one episode of LBP. MATERIALS AND METHODS: A total of 250 schoolchildren aged 12-16 years were randomly enrolled in this study...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28435251/comparative-study-of-porous-hydroxyapatite-chitosan-and-whitlockite-chitosan-scaffolds-for-bone-regeneration-in-calvarial-defects
#13
COMPARATIVE STUDY
Ding Zhou, Chao Qi, Yi-Xuan Chen, Ying-Jie Zhu, Tuan-Wei Sun, Feng Chen, Chang-Qing Zhang
Hydroxyapatite (HAP; Ca10(PO4)6(OH)2) and whitlockite (WH; Ca18Mg2(HPO4)2(PO4)12) are widely utilized in bone repair because they are the main components of hard tissues such as bones and teeth. In this paper, we synthesized HAP and WH hollow microspheres by using creatine phosphate disodium salt as an organic phosphorus source in aqueous solution through microwave-assisted hydrothermal method. Then, we prepared HAP/chitosan and WH/chitosan composite membranes to evaluate their biocompatibility in vitro and prepared porous HAP/chitosan and WH/chitosan scaffolds by freeze drying to compare their effects on bone regeneration in calvarial defects in a rat model...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28410328/manipulation-of-muscle-creatine-and-glycogen-changes-dual-x-ray-absorptiometry-estimates-of-body-composition
#14
Julia L Bone, Megan L Ross, Kristyen A Tomcik, Nikki A Jeacocke, Will G Hopkins, Louise M Burke
Standardizing a dual x-ray absorptiometry (DXA) protocol is thought to provide a reliable measurement of body composition. PURPOSE: We investigated the effects of manipulating muscle glycogen and creatine content independently and additively on DXA estimates of lean mass. METHOD: Eighteen well-trained male cyclists undertook a parallel group application of creatine loading (n = 9) (20 g·d for 5 d loading; 3 g·d maintenance) or placebo (n = 9) with crossover application of glycogen loading (12 v 6 g·kg BM per day for 48 h) as part of a larger study involving a glycogen-depleting exercise protocol...
May 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28392688/evaluation-of-zinc-doped-mesoporous-hydroxyapatite-microspheres-for-the-construction-of-a-novel-biomimetic-scaffold-optimized-for-bone-augmentation
#15
Weilin Yu, Tuan-Wei Sun, Chao Qi, Zhenyu Ding, Huakun Zhao, Shichang Zhao, Zhongmin Shi, Ying-Jie Zhu, Daoyun Chen, Yaohua He
Biomaterials with high osteogenic activity are desirable for sufficient healing of bone defects resulting from trauma, tumor, infection, and congenital abnormalities. Synthetic materials mimicking the structure and composition of human trabecular bone are of considerable potential in bone augmentation. In the present study, a zinc (Zn)-doped mesoporous hydroxyapatite microspheres (Zn-MHMs)/collagen scaffold (Zn-MHMs/Coll) was developed through a lyophilization fabrication process and designed to mimic the trabecular bone...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28306393/circannual-rhythm-of-plasmatic-vitamin-d-levels-and-the-association-with-markers-of-psychophysical-stress-in-a-cohort-of-italian-professional-soccer-players
#16
Giovanni Lombardi, Jacopo Antonino Vitale, Sergio Logoluso, Giovanni Logoluso, Nino Cocco, Giulio Cocco, Antonino Cocco, Giuseppe Banfi
Adequate plasmatic Vitamin D levels are crucial to maintain calcium homeostasis and bone metabolism both in the general population and in athletes. Correct dietary supply and a regular sun exposure are fundamental for allowing the desired and effective fitness level. Past studies highlighted a scenario of Vitamin D insufficiency among professional soccer players in several countries, especially in North Europe, whilst a real deficiency in athletes is rare. The typical seasonal fluctuations of Vitamin D are wrongly described transversally in athletes belonging to teams that play at different latitudes and a chronobiologic approach studying the Vitamin D circannual rhythm in soccer players has not been described yet...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28266955/clinical-outcomes-after-posterior-lumbar-interbody-fusion-comparison-of-cortical-bone-trajectory-and-conventional-pedicle-screw-insertion
#17
Shota Takenaka, Yoshihiro Mukai, Kosuke Tateishi, Noboru Hosono, Takeshi Fuji, Takashi Kaito
STUDY DESIGN: This study is a retrospective cohort study using prospectively collected data. OBJECTIVE: To compare the effectiveness of posterior lumbar interbody fusion (PLIF) using the cortical bone trajectory (CBT) and conventional pedicle screw (PS) techniques. SUMMARY OF BACKGROUND DATA: There are few published studies to date comparing PLIF using CBT technique with PLIF using the conventional PS technique. METHODS: We studied 119 consecutive patients who underwent single-level PLIF between 2010 and 2014 with a minimum 12-month follow-up...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28260045/a-herbal-formula-sykt-reverses-doxorubicin%C3%A2-induced-myelosuppression-and-cardiotoxicity-by-inhibiting-ros%C3%A2-mediated-apoptosis
#18
Ting Chen, Hong-Mei Shen, Zhi-Yong Deng, Zuo-Zhang Yang, Rui-Lian Zhao, Li Wang, Zhi-Ping Feng, Chao Liu, Wen-Hui Li, Zhi-Jie Liu
Doxorubicin (DOX) is an antineoplastic drug widely used for the treatment of various types of cancer; however, it can induce severe side effects, such as myelosuppression and cardiotoxicity. Sanyang Xuedai (SYKT) is a natural medicine originating from an ancient prescription of the Dai nationality in Southwest China. With eight Chinese herbal medicines, including sanguis draconis, radix et rhizoma notoginseng, radix et rhizoma glycyrrhizae and radix angelicae sinensis as the primary ingredients, SYKT has been reported to possess numerous biological functions...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28153916/effects-of-vitamin-d-combined-with-pioglitazone-hydrochloride-on-bone-mineral-density-and-bone-metabolism-in-type-2-diabetic-nephropathy
#19
Ling-Xu Wang, Na Wang, Qing-Li Xu, Wei Yan, Li Dong, Bao-Lin Li
The study aims to investigate the effect of vitamin D (VD) combined with pioglitazone hydrochloride (PIO) on bone mineral density (BMD) and bone metabolism in patients with Type 2 diabetic nephropathy (T2DN). T2DN patients were selected and assigned into mild, moderate, and severe groups. In each group, three therapy regimens (VD, PIO, and VD plus PIO) were administered. X-ray absorptiometry was used to measure BMD. Intact parathyroid hormone (iPTH) and 25-hydroxyvitamin D3 (25-OH-VD3) were measured by chemiluminescence meter...
April 28, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28125404/bone-mineral-density-and-bone-metabolic-markers-status-in-children-with-neurofibromatosis-type-1
#20
Hatice Gamze Poyrazoğlu, Veysel Nijat Baş, Alev Arslan, Funda Bastug, Mehmet Canpolat, Hüseyin Per, Hakan Gümüs, Sefer Kumandas
BACKGROUND: Neurofibromatosis type 1 (NF1) is a multisystem disorder characterized by progressive manifestations, which is inherited in an autosomal dominant manner. The majority of patients with NF1 experience a diffuse, significant reduction in bone mass over time, with osteoporosis, osteopenia in the absence of severe scoliosis, or gross bone deformities. This study aimed to determine the bone mineral density (BMD) status, evaluate bone metabolism, and to determine the relevant factors in children with NF1...
February 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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