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https://www.readbyqxmd.com/read/28526389/citrulline-stimulates-locomotor-activity-in-aged-rats-implication-of-the-dopaminergic-pathway
#1
Christophe Moinard, Laurent Tliba, Jorge Diaz, Servane Le Plénier, Laure Nay, Nathalie Neveux, Luc Cynober, Agathe Raynaud-Simon
OBJECTIVES: A citrulline (CIT)-enriched diet improves locomotor activity in aged rats, but the underlying mechanism is unknown. The aim of this study was to determine the effect of CIT administration on locomotor activity and dopamine activity in healthy aged rats. METHODS: Sixty adult (3-mo-old) and aged (20-mo-old) rats were divided into four groups (n = 15 each) stratified by age (adult versus old) and diet (control versus CIT; i.e., Ad-Control, Ad-CIT, Old-Control, Old-CIT) and fed for 4 d on either a CIT-enriched diet (5 g/kg daily; Ad-CIT and Old-CIT) or an isonitrogeneous control diet (Ad-Control and Old-Control)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28523890/handy-hints-about-raynaud-s-phenomenon-in-children-a-critical-review
#2
REVIEW
Donato Rigante, Michele Fastiggi, Francesco Ricci, Francesca D'Errico, Benedetta Bracci, Cristina Guerriero
Raynaud's phenomenon (RP) is a vasospastic disorder characterized by recurrent self-limited episodes of skin pallor, cyanosis, and hyperemia caused by paroxysmal spasms in the small arteries of the fingers and toes and can occur in any age group. Hands, feet, nose, ears, and nipples can be affected. The diagnosis is made clinically, assessing varying degrees of ischemia in the involved areas of skin, but this transient ischemia may also herald the onset of connective tissue disease. Investigation is recommended when RP starts in childhood to exclude an underlying autoimmune condition and close follow-up for its development...
May 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28514385/-the-effects-of-diosmin-and-hesperidin-on-capillary-blood-flow-of-upper-limbs-in-patients-with-secondary-raynaud-s-syndrome
#3
A M Zudin, A G Gritsenko, I T Hadzhishvili
The article discusses the effects of diosmin and hesperidin on capillary blood flow in patients with secondary Raynaud's syndrome (RS). Raynaud's syndrome a difficult problem of modern angiology, since in its development there is a large range of disorders of the capillary blood flow of the limbs. Currently, the main way of therapy in patients with secondary Raynaud's syndrome is the use of either calcium channel blockers (if angiospastic stage of the disease), or prostaglandins of group E1 (with tropho-paralytic stage of secondary RS)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28507447/managing-refractory-cryoglobulinemic-vasculitis-challenges-and-solutions
#4
REVIEW
Predrag Ostojic, Ivan R Jeremic
Cryoglobulinemia is thought to be a rare condition. It may be an isolated disorder or secondary to a particular disease. According to immunoglobulin composition, cryoglobulinemia is classified into three types. In mixed cryoglobulinemia (types II and III), vascular deposition of cryoglobulin-containing immune complexes and complement may induce a clinical syndrome, characterized by systemic vasculitis and inflammation - cryoglobulinemic vasculitis (CryoVas). Most common clinical manifestations in CryoVas are skin lesions (orthostatic purpura and ulcers), weakness, peripheral neuropathy, Raynaud's phenomenon, sicca syndrome, membranoproliferative glomerulonephritis, and arthralgia and seldom arthritis...
2017: Journal of Inflammation Research
https://www.readbyqxmd.com/read/28507181/fli1-deficiency-induces-cxcl6-expression-in-dermal-fibroblasts-and-endothelial-cells-contributing-to-the-development-of-fibrosis-and-vasculopathy-in-systemic-sclerosis
#5
Takashi Taniguchi, Yoshihide Asano, Kouki Nakamura, Takashi Yamashita, Ryosuke Saigusa, Yohei Ichimura, Takehiro Takahashi, Tetsuo Toyama, Ayumi Yoshizaki, Shinichi Sato
OBJECTIVE: CXCL6, a chemokine with proangiogenic property, is reported to be involved in vasculopathy associated with systemic sclerosis (SSc). We investigated the contribution of CXCL6 to SSc development by focusing on the association of friend leukemia virus integration 1 (Fli1) deficiency, a potential predisposing factor of SSc, with CXCL6 expression and clinical correlation of serum CXCL6 levels. METHODS: mRNA levels of target genes and the binding of Fli1 to the CXCL6 promoter were evaluated by quantitative reverse transcription-PCR and chromatin immunoprecipitation, respectively...
May 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28503297/cardiovascular-involvement-and-manifestations-of-systemic-chikungunya-virus-infection-a-systematic-review
#6
María Fernanda Alvarez, Adrián Bolívar-Mejía, Alfonso J Rodriguez-Morales, Eduardo Ramirez-Vallejo
BACKGROUND: In the last three years, chikungunya virus disease has been spreading, affecting particularly the Americas, producing more than two million cases. In this setting, not only new disease-related epidemiological patterns have been found, but also new clinical findings have been reported by different research groups. These include findings on the cardiovascular system, including clinical, electrocardiographic and echocardiographic alterations. METHODS: We performed a systematic review looking for reports about cardiovascular compromise during chikungunya disease...
2017: F1000Research
https://www.readbyqxmd.com/read/28502960/circulating-anti-nuclear-antibodies-in-systemic-sclerosis-utility-in-diagnosis-and-disease-subsetting
#7
Masataka Kuwana
The presence of circulating anti-nuclear antibodies (ANAs) is a hallmark of immune dysregulation in patients with systemic sclerosis (SSc). Currently, a variety of SSc-specific ANAs, including anticentromere, anti-topoisomerase I, and anti-RNA polymerase III antibodies, have been well characterized, and their commercial kits are available worldwide. Since these autoantibodies are specifically detected in SSc patients and are associated with unique sets of disease manifestations, they are widely used in routine clinical practice for diagnosis, clinical subgrouping, and prediction of future organ involvements and prognosis...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28499984/systemic-pten-akt1-mtor-pathway-activity-in-patients-with-normal-tension-glaucoma-and-ocular-hypertension-a-case-series
#8
Gerassimos Lascaratos, Kai-Yin Chau, Haogang Zhu, Despoina Gkotsi, Deborah Kamal, Ivan Gout, Philip J Luthert, Anthony H V Schapira, David F Garway-Heath
Glaucoma is the most common optic neuropathy in humans and the leading cause of irreversible blindness worldwide. Its prevalence and incidence increase exponentially with ageing and raised intraocular pressure (IOP), while increasing evidence suggests that systemic mitochondrial abnormalities may also be implicated in its pathogenesis. We have recently shown that patients who have not developed glaucoma despite being exposed for many years to high IOP (ocular hypertension - OHT) have more efficient mitochondria, measured in peripheral blood lymphocytes, when compared to age-similar controls and fast progressing normal tension glaucoma (NTG) patients...
May 9, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28495471/quantitative-outcome-measures-for-systemic-sclerosis-related-microangiopathy-reliability-of-image-acquisition-in-nailfold-capillaroscopy
#9
Graham Dinsdale, Tonia Moore, Neil O'Leary, Michael Berks, Christopher Roberts, Joanne Manning, John Allen, Marina Anderson, Maurizio Cutolo, Roger Hesselstrand, Kevin Howell, Carmen Pizzorni, Vanessa Smith, Alberto Sulli, Marie Wildt, Christopher Taylor, Andrea Murray, Ariane L Herrick
BACKGROUND: Nailfold capillaroscopic parameters hold increasing promise as outcome measures for clinical trials in systemic sclerosis (SSc). Their inclusion as outcomes would often naturally require capillaroscopy images to be captured at several time points during any one study. Our objective was to assess repeatability of image acquisition (which has been little studied), as well as of measurement. METHOD: 41 patients (26 with SSc, 15 with primary Raynaud's phenomenon) and 10 healthy controls returned for repeat high-magnification (300×) videocapillaroscopy mosaic imaging of 10 digits one week after initial imaging (as part of a larger study of reliability)...
May 8, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28495449/peripheral-circulatory-disorders-in-essential-thrombocythemia
#10
Rafał Małecki, Małgorzata Gacka, Żanna Fiodorenko-Dumas, Ilias Dumas, Jacek Kwiatkowski, Rajmund Adamiec, Małgorzata Kuliszkiewicz-Janus
A significant amount of patients with essential thrombocythemia (ET) complain of symptoms including distal parts of the extremities (e.g., paresthesias or Raynaud's phenomenon). The aim of the present study was to examine peripheral circulation in the upper extremities of individuals with ET. The study included 45 ET patients and 30 control subjects. All participants were subjected to thermography, photoplethysmography, impedance plethysmography, and applanation tonometry pulse wave analysis. The patients with ET differed significantly from the control subjects in terms of 3rd finger skin temperature (mean 31...
May 7, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28491486/crest-calcinosis-affecting-the-lumbar-and-cervical-spine-and-the-use-of-minimally-invasive-surgery
#11
Kassem Faraj, Kristin Perez-Cruet, Mick Perez-Cruet
Calcinosis in CREST (calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome can affect the spinal and paraspinal areas. We present the first case to our knowledge where a CREST syndrome patient required surgery for spinal calcinosis in both the cervical and lumbar areas. A 66-year-old female with a history of CREST syndrome presented with right-sided lower extremity radicular pain. A computed tomography (CT) scan showed bilateral lumbar masses (5.8 cm on the right, 3...
April 8, 2017: Curēus
https://www.readbyqxmd.com/read/28479757/premature-ovarian-failure-an-unusual-manifestation-of-systemic-sclerosis
#12
Aruna Nigam, Anupam Prakash, Shikha Sharma, Narendra Kumar
A 31-year-old woman presented with secondary amenorrhoea and inability to conceive, which was of 3 years duration. She had Raynaud's phenomenon for 16 years, primary hypothyroidism for 5 years, digital ulcers for 4 years and skin tightening for 2 years. She had an expressionless face, with loss of wrinkles and restriction of the mouth opening along with flexion contractures of the hands and the terminal digit resorptions. Investigations showed Antinuclear antibodies (ANA) and anti-Scl 70 positivity confirming the presence of systemic sclerosis (SSc)...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28479486/integrated-diagnosis-project-for-inflammatory-myopathies-an-association-between-autoantibodies-and-muscle-pathology
#13
REVIEW
Shigeaki Suzuki, Akinori Uruha, Norihiro Suzuki, Ichizo Nishino
Inflammatory myopathies are a heterogeneous group of immune-mediated diseases that involve skeletal muscle as well as many other organs. The classification of inflammatory myopathies has been based on clinical diagnoses, pathological diagnoses, and autoantibodies, independently. The clinical phenotypes of inflammatory myopathies are characterized by various autoantibodies that are originally detected by RNA or protein immunoprecipitation. However, since the correlation between histological features and autoantibodies had not been fully elucidated, we created the "Integrated Diagnosis Project for Inflammatory Myopathies" in October 2010...
May 4, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28476103/intracranial-lesion-as-onset-symptom-in-a-patient-with-early-undifferentiated-connective-tissue-disease-a-case-report
#14
Ying Du, Chuan Li, Dai-di Zhao, Jia-Rui Lu, Wei Zhang, Zhu-Yi Li
BACKGROUND: Undifferentiated connective tissue disease (UCTD) is widely considered to be a distinct clinical entity, and now divided into two subgroups: stable UCTD and early UCTD. The most frequent onset symptoms of UCTD include arthralgias, arthritis, Raynaud's phenomenon, mucocutaneous involvement, and sicca symptoms. However, Neurologic involvement is rare, and intracranial lesion as onset symptom in a patient with early UCTD has not yet been reported. CASE PRESENTATION: A 51-year-old Chinese female experienced progressive left leg weakness for 14 days before hospitalizing in our department...
May 5, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28474406/analysis-of-rbc-microparticles-in-stored-whole-blood-bags-a-promising-marker-to-detect-blood-doping-in-sports
#15
Sven Christian Voss, Morana Jaganjac, Amna Mohamed Al-Thani, Jean Charles Grivel, Christophe Raynaud, Hind Al-Jaber, Afnan Saleh Al-Menhali, Zeyed Ahmad Merenkov, Mohammed Alsayrafi, Aishah Latiff, Costas Georgakopoulos
Blood doping in sports is prohibited by the World Anti-Doping Agency (WADA). To find a possible biomarker for the detection of blood doping, we investigated the changes in blood stored in CPDA-1 blood bags of eight healthy subjects who donated one unit of blood. Aliquots were taken on days 0, 14 and 35. Platelet free Plasma was prepared and stored at -80 °C until analysis on a flow cytometer dedicated for the analysis of Microparticles (MPs). Changes in the number of Red Blood Cell (RBC) -MPs were highly significant (p < 0...
May 4, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28468120/trace-element-concentrations-along-a-gradient-of-urban-pressure-in-forest-and-lawn-soils-of-the-paris-region-france
#16
Ludovic Foti, Florence Dubs, Jacques Gignoux, Jean-Christophe Lata, Thomas Z Lerch, Jérôme Mathieu, François Nold, Naoise Nunan, Xavier Raynaud, Luc Abbadie, Sébastien Barot
The concentration, degree of contamination and pollution of 7 trace elements (TEs) along an urban pressure gradient were measured in 180 lawn and wood soils of the Paris region (France). Iron (Fe), a major element, was used as reference element. Copper (Cu), cadmium (Cd), lead (Pb) and zinc (Zn) were of anthropogenic origin, while arsenic (As), chromium (Cr) and nickel (Ni) were of natural origin. Road traffic was identified as the main source of anthropogenic TEs. In addition, the industrial activity of the Paris region, especially cement plants, was identified as secondary source of Cd...
April 28, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28466365/women-with-silicone-breast-implants-and-autoimmune-inflammatory-syndrome-induced-by-adjuvants-description-of-three-patients-and-a-critical-review-of-the-literature
#17
REVIEW
Slavica Pavlov-Dolijanovic, Nada Vujasinovic Stupar
Silicone has been widely used in the manufacture of medical implants. It is well tolerated in most cases. However, in this paper we report the cases of three women who developed autoimmune/inflammatory syndrome induced by adjuvants (ASIA syndrome), namely with silicone breast implants. The symptoms in these cases include arthralgia, arthritis, myalgia, sleep disturbances, the appearance of autoantibodies, miscarriage, Raynaud's phenomenon, and involvement of autoimmune diseases (scleroderma and undifferentiated connective tissue diseases)...
May 2, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28466116/cultural-sensitive-care-provision-in-a-public-child-and-adolescent-mental-health-centre-a-case-study-from-the-toulouse-university-hospital-intercultural-consultation
#18
Gesine Sturm, Sylvie Bonnet, Yolaine Coussot, Katja Journot, Jean-Philippe Raynaud
Child and adolescent mental health services in Europe are confronted with children with increasingly diverse socio-cultural backgrounds. Clinicians encounter cultural environments of hyperdiversity in terms of languages and countries of origin, growing diversity within groups, and accelerated change with regards to social and administrational situations (Hannah, in: DelVecchio Good et al. (eds) Shattering culture: American medicine responds to cultural diversity, Russel Sage Foundation, New York, 2011). Children and families who live in these complex constellations face multiple vulnerabilizing factors related to overlapping or intersecting social identities (Crenshaw in Univ Chic Leg Forum 140:139-167, 1989)...
May 2, 2017: Culture, Medicine and Psychiatry
https://www.readbyqxmd.com/read/28450106/detection-of-early-endothelial-damage-in-patients-with-raynaud-s-phenomenon
#19
Roberta Gualtierotti, Francesca Ingegnoli, Samantha Griffini, Elena Grovetti, Maria Orietta Borghi, Paolo Bucciarelli, Pier Luigi Meroni, Massimo Cugno
OBJECTIVES: Raynaud's phenomenon (RP) can be the first manifestation of systemic sclerosis (SSc) or other connective tissue diseases (CTDs), often preceding an overt disease by years. It is not known if markers of endothelial damage are detectable in those RP patients who subsequently develop a CTD. METHODS: We studied 82 RP patients at their first evaluation to correlate the levels of endothelial markers with the subsequent development of an overt disease 36months later...
April 25, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28431994/raynaud-s-phenomenon-revisiting-a-rare-sign-of-pheochromocytoma-paraganglioma
#20
Virendra Ashokrao Patil, Rajiv Kasaliwal, Manjunath R Goroshi, Anurag R Lila, Tushar Bandgar, Nalini S Shah
Paraganglioma (PGL) are rare tumors arising from extraadrenal chromaffin cells and occasionally secret catecholamines. The patient commonly presents with headache, palpitation, anxiety, diaphoresis and episodic or sustained hypertension. Rarely patient can present with Raynaud's phenomenon. We present a case of adolescent girl who presented with isolated Raynaud's phenomenon as only manifestation of metastasis of PGL three years after undergoing surgical excision of normetanephrine secreting abdominal PGL.
April 18, 2017: Urology
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