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https://www.readbyqxmd.com/read/28646303/three-dimensional-fine-structure-of-the-organization-of-microtubules-in-neurite-varicosities-by-ultra-high-voltage-electron-microscope-tomography
#1
Tomoki Nishida, Ryoichi Yoshimura, Yasuhisa Endo
Neurite varicosities are highly specialized compartments that are involved in neurotransmitter/ neuromodulator release and provide a physiological platform for neural functions. However, it remains unclear how microtubule organization contributes to the form of varicosity. Here, we examine the three-dimensional structure of microtubules in varicosities of a differentiated PC12 neural cell line using ultra-high voltage electron microscope tomography. Three-dimensional imaging showed that a part of the varicosities contained an accumulation of organelles that were separated from parallel microtubule arrays...
June 23, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28643104/-endovenous-ablation-versus-open-surgery-for-varicose-veins-an%C3%A2-attempt-at-an-evaluation
#2
REVIEW
K Hartmann, D Stenger, M Hartmann, L Rafi-Stenger
Open and endovenous surgery of varicose veins provides an excellent way to treat varicose veins. However, there are great differences in the how the techniques are performed. No matter which procedure is carried out, there are standards that should be observed. The state of the art of open venous surgery with radical crossectomy is well-known, but unfortunately is still not always performed correctly nowadays. The state of the art of endovenous surgery has unfortunately not yet been sufficiently documented, but should be based on open-surgical techniques...
June 22, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28639874/compression-treatment-of-pelvic-congestion-syndrome
#3
S G Gavrilov, A V Karalkin, O O Turischeva
Aim To study the influence of compression treatment on clinical manifestations and venous hemodynamics of the pelvis in patients with pelvic congestion syndrome. Materials and methods A prospective study of the various options and modes of compression treatment was carried out and included 74 patients with pelvic congestion syndrome in 2008-2015. The patients were divided into three groups. The first group consisted of 48 patients with symptoms of pelvic congestion syndrome and chronic pelvic pain. They used Class II compression shorts...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28638718/substance-p-nk1-receptor-in-the-rat-corpus-callosum-during-postnatal-development
#4
Paolo Barbaresi, Emanuela Mensà, Guendalina Bastioli, Salvatore Amoroso
INTRODUCTION: The expression of substance P (SP) receptor (neurokinin 1, NK1) was studied in the rat corpus callosum (cc) from postnatal day 0 (the first 24 hr from birth, P0) to P30. METHODS: We used immunocytochemistry to study the presence of intracallosal NK1-immunopositive neurons (NK1IP-n) during cc development. RESULTS: NK1IP-n first appeared on P5. Their number increased significantly between P5 and P10, it remained almost constant between P10 and P15, then declined slightly until P30...
June 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28634864/diagnostic-indicators-for-blood-stasis-syndrome-patients-with-gynaecological-diseases
#5
Jeeyoun Jung, Mi Mi Ko, Myeong Soo Lee, So Min Lee, Ju Ah Lee
OBJECTIVE: To investigate the important diagnostic indicators for blood stasis syndrome (BSS) in patients of childbearing age with gynaecological diseases. METHODS: A partial least squared-discriminant analysis (PLS-DA) were applied to BSS symptoms data of patients with gynaecological diseases, and the diagnostic indicators used by doctors of Korean medicine (DKMs) among BSS patients with gynaecological diseases were also investigated. RESULTS: A total of 103 patients of childbearing age with gynaecological diseases and 40 healthy controls were enrolled...
June 20, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28633736/klippel-trenauney-syndrome-with-axillary-hyperhidrosis
#6
Yeun Jina Lim, David Rosmarin, Giannoula Klement, Shiu-Chung Au
Klippel-Trenaunay syndrome (KTS) is a rare, clinically variable congenital disorder involving capillary malformations, soft tissue or bone hypertrophy, and venous malformations or varicose veins. We report a 28-year-old man who presented with a hypertrophic right arm as well as markedly increased ipsilateral axillary hyperhidrosis and erythematous patches on the back, chest, and arm. This case of KTS is unusual because our patient presented with a markedly increased unilateral axillary hyperhidrosis ipsilateral to the hypertrophic limb...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28631699/-lower-extremity-venous-diseases-in-primary-knee-osteoarthritis
#7
O M Lesnyak, E V Zubareva, M G Goncharova, D M Maksimov
AIM: To establish a possible association between knee osteoarthritis (OA) and lower extremity venous diseases ((LEVDs) on the basis of thorough clinical and instrumental studies. SUBJECTS AND METHODS: A case-control study recruiting 40-60-year-old women was conducted. A study group included 85 women with knee OA; a control group consisted of 50 women without this condition. The patients of both groups underwent assessment of complaints and goal-directed objective examination to identify joint diseases and chronic LEVDs, knee X-ray study, and duplex scanning of the lower extremity veins...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28628197/vesicular-acetylcholine-transporter-vacht-overexpression-induces-major-modifications-of-striatal-cholinergic-interneuron-morphology-and-function
#8
Helena Janickova, Vania F Prado, Marco A M Prado, Salah El Mestikawy, Véronique Bernard
Striatal cholinergic interneurons (CIN) are pivotal for the regulation of the striatal network. Acetylcholine (ACh) released by CIN is centrally involved in reward behavior as well as locomotor or cognitive functions. Recently, BAC transgenic mice expressing channelrhodopsin-2 (ChR2) protein under the control of the choline acetyltransferase (ChAT) promoter (ChAT-ChR2) and displaying almost 50 extra copies of the VAChT gene were used to dissect cholinergic circuit connectivity and function using optogenetic approaches...
June 19, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28624002/pathophysiology-of-venous-ulceration
#9
REVIEW
Joel M Crawford, Brajesh K Lal, Walter N Durán, Peter J Pappas
Our understanding of the pathophysiologic process of venous ulceration has dramatically increased during the past two decades because of dedicated, venous-specific basic science research. Currently, the mechanisms regulating venous ulceration are a combination of macroscopic and microscopic pathologic processes. Macroscopic alterations refer to pathologic processes related to varicose vein formation, vein wall architecture, and cellular abnormalities that impair venous function. These processes are primarily caused by genetic factors that lead to the destruction of normal vein wall architecture and venous hypertension...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28624001/diagnosis-and-management-of-the-venous-malformations-of-klippel-tr%C3%A3-naunay-syndrome
#10
REVIEW
S Keisin Wang, Natalie A Drucker, Alok K Gupta, Francis E Marshalleck, Michael C Dalsing
OBJECTIVE: A dearth of information exists in the literature regarding current practice in the management of Klippel-Trénaunay syndrome (KTS), a rare condition. We review and describe the etiology, diagnosis, and treatment of KTS. METHODS: Relevant data were synthesized from a Medline review using a combination of the keyterms "Klippel" and "Trénaunay." The majority of hits described singular case reports and were subsequently excluded. The remaining papers were then reviewed and included on the basis of the quality of evidence and the authors' discretion...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28623998/ruptured-common-femoral-vein-pseudoaneurysm-from-a-common-femoral-arteriovenous-fistula-presenting-as-lower-extremity-steal-after-radiofrequency-ablation-of-the-great-saphenous-vein
#11
Robert Scott Brumberg, Cassie Davis
Radiofrequency ablation of the superficial venous systems has become one of the mainstays of minimally invasive approaches to varicose veins and chronic venous insufficiency. These procedures have high rates of success with scarce complications. This case report highlights a patient with a common femoral arteriovenous fistula presenting with lower extremity steal after radiofrequency ablation treatment of the great saphenous vein. During operative repair of the arteriovenous fistula, a pseudoaneurysm of the common femoral vein ruptured...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28623996/functional-polymorphism-rs1024611-in-the-mcp1-gene-is-associated-with-the-risk-of-varicose-veins-of-lower-extremities
#12
Alexandra S Shadrina, Mariya A Smetanina, Kseniya S Sevost'ianova, Evgenii I Seliverstov, Evgeny A Ilyukhin, Elena N Voronina, Igor A Zolotukhin, Maxim L Filipenko
OBJECTIVE: Monocyte chemoattractant protein 1 (MCP-1) is a chemokine responsible for monocyte, basophil, and T-lymphocyte attraction. Polymorphism rs1024611 located in the regulatory region of the MCP1 gene has previously been shown to be associated with increased MCP-1 production. In our study, we aimed to examine the association of rs1024611 with the risk of primary varicose veins (PVVs) of lower extremities. METHODS: The case group comprised 470 patients with PVVs, and the control group included 269 individuals without a history of chronic venous disease...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28623990/incidence-of-venous-leg-ulcer-healing-and-recurrence-after-treatment-with-endovenous-laser-ablation
#13
William A Marston, Jason Crowner, Ana Kouri, Corey A Kalbaugh
BACKGROUND: The Effect of Surgery and Compression on Healing and Recurrence (ESCHAR) trial previously reported that patients with venous leg ulcers treated with saphenous stripping experienced a significantly reduced incidence of ulcer recurrence compared with patients treated with compression therapy. Most patients with leg ulcers and saphenous insufficiency are currently treated with endovenous thermal ablation (EVTA), but little information is available on the long-term results after EVTA in Clinical, Etiology, Anatomy, and Pathophysiology (CEAP) clinical class 5 (C5) and class 6 (C6) patients...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28623983/clinical-presentation-of-women-with-pelvic-source-varicose-veins-in-the-perineum-as-a-first-step-in-the-development-of-a-disease-specific-patient-assessment-tool
#14
Kathleen Gibson, Renee Minjarez, Brian Ferris, Moni Neradilek, Matthew Wise, Julianne Stoughton, Mark Meissner
OBJECTIVE: Pelvic venous incompetence can cause symptomatic varicose veins in the perineum, buttock, and thigh. Presentation, symptom severity, and response to treatment of pelvic source varicose veins are not well defined. Currently available tools to measure the severity of lower extremity venous disease and its effects on quality of life may be inadequate to assess disease severity in these patients. The purpose of this study was to evaluate the histories, demographics, and clinical presentations of women with pelvic source varicose veins and to compare these data to a population of women with nonpelvic source varicose veins...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28619185/high-prevalence-of-restless-legs-syndrome-willis-ekbom-disease-rls-wed-among-people-living-at-high-altitude-in-the-indian-himalaya
#15
Ravi Gupta, Jan Ulfberg, Richard P Allen, Deepak Goel
BACKGROUND: At high altitude, prevalence of restless legs syndrome has been found to be greater than expected in small population-based studies, which did not use validated tools for identification of RLS. However, it is not known as to whether this increased prevalence is associated with altitude or increased risk factors for RLS in these populations or errors in identification of RLS. METHOD: This population based, door-to-door study was conducted at low altitude (400 m above sea level) and high altitudes (1900-2000 m and 3200 m above sea level) using random stratified sampling in Himalayan and sub-Himalayan region of India...
July 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28616235/exacerbation-of-alopecia-areata-a-possible-complication-of-sodium-tetradecyl-sulphate-foam-sclerotherapy-treatment-for-varicose-veins
#16
Mark S Whiteley, Victoria C Smith
A 40-year-old woman with a history of alopecia areata related to stress or hormonal changes was treated for bilateral primary symptomatic varicose veins (CEAP clinical score C2S) of pelvic origin, using a staged procedure. Her first procedure entailed pelvic vein embolisation of three pelvic veins using 14 coils and including foam sclerotherapy of the tributaries, using 3% sodium tetradecyl sulphate. Following this procedure, she had an exacerbation of alopecia areata with some moderate shedding of hair. Subsequently, she underwent endovenous laser ablation under local anaesthetic without incident...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28606925/polarity-of-varicosity-initiation-in-central-neuron-mechanosensation
#17
Yuanzheng Gu, Peter Jukkola, Qian Wang, Thomas Esparza, Yi Zhao, David Brody, Chen Gu
Little is known about mechanical regulation of morphological and functional polarity of central neurons. In this study, we report that mechanical stress specifically induces varicosities in the axons but not the dendrites of central neurons by activating TRPV4, a Ca(2+)/Na(+)-permeable mechanosensitive channel. This process is unexpectedly rapid and reversible, consistent with the formation of axonal varicosities in vivo induced by mechanical impact in a mouse model of mild traumatic brain injury. In contrast, prolonged stimulation of glutamate receptors induces varicosities in dendrites but not in axons...
June 12, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28606843/the-effect-of-diosmin-on-the-blood-proteome-in-a-rat-model-of-venous-thrombosis
#18
Cuilin Cheng, Hong Zhang, Yongzhi Li, Yingyu Zhou, Weihong Lu, Lei Yao
This study was designed to find the protein changes of venous thrombosis in Wistar rats with and without diosmin treatment by two-dimensional gel electrophoresis (2-DE) and investigate the effect of a crucial protein known as CEP350 on human vascular endothelial cell growth. Diosmin was prepared from G.verum L. by solvent extraction and identified 98% purification by HPLC after chromatographic purification using macroporous absorption resin (AB-8) and polyamide. Wistar rats were divided into three groups respectively control group, model group and prevention group...
June 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28599229/round-ligament-varicosities-diagnosed-as-inguinal-hernia-during-pregnancy-a-case-report-and-series-from-two-regional-hospitals-in-japan
#19
Yuka Mine, Susumu Eguchi, Akihito Enjouji, Masayoshi Fukuda, Junzo Yamaguchi, Yusuke Inoue, Fumihiko Fujita, Ohzora Tsukamoto, Hideaki Masuzaki
INTRODUCTION: Round ligament varicosities (RLV) are not well-known and they are usually caused by pregnancy. Although the groin swelling of RLV mimics an inguinal hernia, it is difficult to distinguish between them through clinical examination alone, and there have been few published reports on this topic, especially from Asia. CASE PRESENTATION: A 37-year-old Japanese woman complained of left groin swelling for 2 weeks at her 28th week of gestation of her first pregnancy...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28594798/-anatomical-aspects-of-formation-of-corona-phlebectatica
#20
R E Kalinin, I A Suchkov, G A Puchkova, V P Zhelezinskiĭ, I N Shanaev
The data concerning the anatomy of perforant veins of the foot can by no means be referred to as insufficiently known. At the same time, these descriptions are encountered rather rarely in the educational-and-methodical literature. To a certain degree, this may be explained by low pathogenetic significance of perforant veins of the foot; however, these data are required for the surgeon in carrying out both standard phlebectomy and sclerotherapy of subcutaneous varicose veins, especially if the zone of surgical intervention is situated immediately on the foot...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
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