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Superficial vein

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https://www.readbyqxmd.com/read/28819006/increased-tissue-oxygenation-explains-the-attenuation-of-hyperaemia-upon-repetitive-pneumatic-compression-of-the-lower-leg
#1
Alessandro Messere, Gianluca Ceravolo, Walter Franco, Daniela Maffiodo, Carlo Ferraresi, Silvestro Roatta
Aim The rapid hyperaemia evoked by muscle compression is short-lived and was recently shown to undergo a rapid decrease even in spite of continuing mechanical stimulation. The present study aims at investigating the mechanisms underlying this attenuation which include local metabolic mechanisms, desensitization of mechano-sensitive pathways, and reduced efficacy of the muscle pump. Methods In 10 healthy subjects short sequences of mechanical compressions (n=3-6; 150 mmHg) of the lower leg were delivered at different inter-stimulus intervals (ranging from 20 to 160 s) through a customized pneumatic device...
August 17, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28815781/external-jugular-veno-accompanying-artery-adipofascial-flap-a-novel-and-convenient-flap-for-head-and-neck-reconstruction
#2
Seong Oh Park, Kyung Chan Ahn, Ki Yong Hong, Hak Chang, Nobuaki Imanishi
BACKGROUND: The veno-accompanying artery adipofascial (VAF) flap is nourished by accompanying vessels near large superficial veins. We examined whether the VAF flap can be applied to the external jugular vein. METHODS: Based on anatomic and angiographic studies, we performed reconstructive surgeries using external jugular veno-accompanying artery adipofascial (EJ-VAF) flaps. A retrospective chart review was performed for all patients who underwent this surgery. RESULTS: The presence of arteries accompanying the external jugular vein was confirmed...
August 16, 2017: Head & Neck
https://www.readbyqxmd.com/read/28809436/anatomical-description-of-the-main-vessels-for-venipuncture-in-the-black-striped-capuchin-monkey-sapajus-libidinosus-silva-junior-2002
#3
Ana Y F La Salles, Jefferson F Cordeiro, José R S Santos, Artur N Carreiro, Gildenor X Medeiros, Danilo J A Menezes
BACKGROUND: The scarcity of data on the anatomy of Sapajus libidinosus has impeded the execution for appropriate veterinary treatment. The objective of this study was to describe the main peripheral veins of the capuchin monkey, used in venipuncture and indicate the best access route for venipuncture procedures. METHODS: Ten S. libidinosus corpses were used. The face, neck, chest, and pelvic limb were dissected using surgical instruments to identify and locate surface vessels...
August 15, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28803521/evaluation-of-direct-acting-oral-anticoagulant-use-in-patients-with-cancer
#4
Daphne O Davis, Kyle A Davis
PURPOSE: To evaluate the use of direct-acting oral anticoagulants in patients with cancer and venous thromboembolism (VTE) treated at Ochsner Medical Center with the intent of determining the efficacy and safety of these agents. METHODS: Patients were identified by a retrospective data extraction of patients treated at Ochsner Medical Center from January 1, 2013, through December 31, 2015. Patients were included for review if they were ≥18 years of age, with a confirmed diagnosis of VTE and active or history of cancer, and if they received dabigatran, apixaban, rivaroxaban, or edoxaban for at least 6 months...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28802425/outcomes-of-dynamic-hip-screw-augmented-with-trochanteric-wiring-for-treatment-of-unstable-type-a2-intertrochanteric-femur-fractures
#5
Chetan Puram, Chetan Pradhan, Atul Patil, Vivek Sodhai, Parag Sancheti, Ashok Shyam
BACKGROUND: Posteromedial and greater trochanteric fragments are a major cause of telescoping and medialization of the femoral shaft in an unstable intertrochanteric fracture. This leads to significant limb shortening, fracture collapse in varus position and implant failure, which can be prevented by trochanteric wiring in addition to dynamic hip screw (DHS) fixation. The purpose of our study is to assess the outcomes of DHS augmented with trochanteric wiring in unstable type A2 intertrochanteric fractures...
August 2017: Injury
https://www.readbyqxmd.com/read/28799861/absence-of-cortical-vein-opacification-is-associated-with-lack-of-intra-arterial-therapy-benefit-in-stroke
#6
Ivo G H Jansen, Annemieke B van Vuuren, Wim H van Zwam, Ido R van den Wijngaard, Olvert A Berkhemer, Hester F Lingsma, Cornelis H Slump, Robert J van Oostenbrugge, Kilian M Treurniet, Diederik W J Dippel, Marianne A A van Walderveen, Aad van der Lugt, Yvo B W E M Roos, Henk A Marquering, Charles B L M Majoie, René van den Berg
Purpose To assess the degree of cortical vein opacification in patients with internal carotid artery or middle cerebral artery (MCA) stroke and to evaluate the relationship with treatment benefit from intra-arterial therapy (IAT). Materials and Methods Written informed consent was obtained from all patients in the Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands. From the trial's database, all patients (recruited from December 2010 until March 2014) with baseline computed tomographic (CT) angiograms were retrospectively included...
August 11, 2017: Radiology
https://www.readbyqxmd.com/read/28782844/long-term-management-with-adipose-tissue-derived-mesenchymal-stem-cells-and-conventional-treatment-in-a-dog-with-hepatocutaneous-syndrome
#7
A Nam, S-M Han, D-M Go, D-Y Kim, K-W Seo, H-Y Youn
Hepatocutaneous syndrome (HS) is an uncommon skin disorder that occurs in conjunction with liver disease and is diagnosed based on decreased plasma concentrations of amino acids and the histopathology of skin lesions. The survival period generally is <6 months. A 10-year-old castrated male Maltese dog was presented for evaluation of lethargy, polyuria, polydipsia, and skin lesions including alopecia, erythema, and crusts. Based on increased liver enzyme activity, low plasma amino acid concentrations, and findings from liver cytology and skin biopsy, the dog was diagnosed with HS...
August 7, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28782288/the-superficial-femoral-vein-time-to-change-this-misnomer
#8
Chong Chyn Chua, Frank S Hong, Wai Khoon Ho
No abstract text is available yet for this article.
August 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28766400/transvenous-intravascular-ultrasound-guided-endovascular-treatment-for-chronic-total-occlusion-of-infrainguinal-arteries
#9
Yasuhiro Takahashi, Taisuke Sato, Hirotake Okazaki, Ayaka Nozaki, Masato Matsushita, Masataka Kamiya, Wataru Shimizu
PURPOSE: To investigate the 1-year outcomes of transvenous intravascular ultrasound (IVUS)-guided endovascular therapy (EVT) for chronic total occlusion (CTO) of the lower extremity arteries. METHODS: Transvenous IVUS-guided EVT was performed in 44 patients (50 limbs) with CTO of the femoropopliteal arteries or tibioperoneal trunk. Treatment involved crossing a guidewire through the CTO under the guidance of both fluoroscopic and IVUS imaging, along with insertion of the IVUS catheter into a vein parallel to the target artery...
August 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28760628/laparoscopic-minimally-invasive-approach-to-sentinel-lymph-node-mapping-of-the-ovary-using-the-near-infrared-fluorescent-s1-hd-pinpoint-system-with-indocyanine-green-dye
#10
Alessandro Buda, Paolo Passoni, Claudio Reato, Giampaolo Di Martino
STUDY OBJECTIVE: To show a novel minimally invasive approach to sentinel lymph node (SLN) detection of the ovary with the near-infrared guided-surgery using indocyanine green (ICG). DESIGN: step by step description of the technique with video and figures (educational video). SETTING: The standard surgical staging of early stage I-II ovarian cancer include systematic pelvic and aortic lymphadenectomy, even in the absence of clear evidence regarding the survival benefits associated with comprehensive retroperitoneal staging...
July 28, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28758229/time-dependent-factors-in-diep-flap-breast-reconstruction
#11
Rosaria Laporta, Benedetto Longo, Michail Sorotos, Alessio Farcomeni, Vittoria Amorosi, Fabio Santanelli di Pompeo
BACKGROUND: The process of harvesting and performing microsurgical anastomosis may lengthen deep inferior epigastric artery perforator (DIEP) flap breast reconstruction affecting results and patient safety. The aim of the study was to investigate the associations between predictors and operative time (OT). METHODS: Between 2004 and 2016, 336 immediate and 68 delayed unilateral reconstructions were performed in 404 patients. Age, weight, height, body mass index (BMI), nulliparity, or pluriparity condition were collected to determine the impact of patient characteristics on OT...
July 24, 2017: Microsurgery
https://www.readbyqxmd.com/read/28758064/bifurcated-great-saphenous-vein-a-report-on-its-therapeutic-and-diagnostic-perspectives
#12
Naveen Kumar, Ashwini P Aithal, Ravindra S Swamy, Satheesha B Nayak, Mohandas K G Rao, P Abhinitha
The great saphenous vein (GSV) is the longest superficial vein in the body extending from the medial malleolus to groin skin crease level. The clinical usage of GSV has made its anatomical variations noteworthy. Since many tributaries accompany it, GSV is often mistaken with the variant vein. Duplication and persistence of accessory GSV are the two major clinically significant anatomical variations of the GSV which is frequently misinterpreted as a synonym. In the present case, we report a unique variation of GSV wherein it bifurcated into anterior and posterior divisions of two uneven calibers at knee region, which then reunited at thigh region to form a single vein before its termination into the femoral vein...
July 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28746237/abdominoplasty-with-lymphatic-microsurgery-for-patients-with-secondary-lower-extremity-lymphedema
#13
Shinsuke Akita, Yoshihisa Yamaji, Hideki Tokumoto, Naoki Adachi, Yoshitaro Sasahara, Yoshitaka Kubota, Motone Kuriyama, Nobuyuki Mitsukawa
BACKGROUND: Patients with secondary lower extremity lymphedema (LEL) often develop suprapubic lymphedema. We developed a novel surgical method of shaping the lower abdomen and debulking suprapubic lymphedema with simultaneous reconstruction of lymphatic flow in case of LEL. METHODS: A skin incision in a fleur-de-lis pattern was performed for horizontal and vertical abdominal skin and fat resection. A caudal-based isosceles triangular flap was created on the central suprapubic region to reduce wound tension at the intersection of the horizontal and vertical incisions...
July 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28734084/thrombolysis-for-pulmonary-embolism-using-the-superficial-veins-of-the-upper-extremity
#14
Joseph Kusick, Judd Salamat, Kintur Sanghvi
This report describes a novel approach of accessing the superficial veins of the upper extremity for the treatment of pulmonary emboli (PE) with an ultrasound enhanced thrombolytic infusion catheter. In a patient suffering from saddle PE and impending right heart failure, separate basilic and cephalic venous access sites in the right arm were utilized to insert EKOS EndoWave Infusion Catheter (EKOS Corporation, Bothell, WA) insertion in each pulmonary artery (PA). This technique could be advantageous, particularly for patients at high risk for access site complications and those unable to lie supine for prolonged duration of infusion therapy...
July 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28733096/brachial-vein-transposition-is-a-promising-ultimate-upper-limb-autologous-arteriovenous-angioaccess-despite-its-many-pitfalls
#15
Lamisse Karam, Marek Rawa, Richard Shoenfeld, Pierre Bourquelot
OBJECTIVE: The objective of this study was to retrospectively evaluate the possibility of using the brachial veins despite their deep location, small caliber, and thin wall. METHODS: There were 64 patients without superficial veins who were eligible for two-stage brachial vein transposition (BrVT); 54 patients were on hemodialysis, 9 patients had sickle cell disease, and 1 patient had long-term parenteral nutrition. Preoperative imaging was performed with color duplex ultrasound as well as venography for suspected central vein stenosis...
July 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28731049/composite-hemangioendothelioma-with-neuroendocrine-marker-expression-an-aggressive-variant
#16
Kyle D Perry, Alyaa Al-Lbraheemi, Brian P Rubin, Jin Jen, Hongzheng Ren, Jin Sung Jang, Asha Nair, Jaime Davila, Stefan Pambuccian, Andrew Horvai, William Sukov, Henry D Tazelaar, Andrew L Folpe
Aberrant expression of neuroendocrine markers is extremely rare in endothelial neoplasms, with only a single report describing three cases. Although originally classified as conventional angiosarcoma, further assessment of these tumors revealed a strikingly composite morphology composed of retiform and epithelioid elements reminiscent of composite hemangioendothelioma, a rare subtype of hemangioendothelioma. To further investigate these findings, available materials from 11 morphologically distinctive endothelial tumors showing neuroendocrine marker expression were retrieved from our archives...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28726308/the-collateral-venous-system-in-late-pregnancy-a-systematic-review-of-the-literature
#17
REVIEW
Aimee Humphries, Peter Stone, S Ali Mirjalili
INTRODUCTION: Recent literature has reported an association between maternal supine sleep position and stillbirth during late pregnancy. In this position the gravid uterus almost completely obstructs the inferior vena cava. A small number of women experience supine hypotension, thought to be due in part to inadequate collateral venous circulation. The aim of this paper is to review the literature describing the anatomy of the collateral venous system and in particular the azygos system, the abdominal portion of which has not been well studied...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28725275/ash-meeting-2016-developments-in-hemostaseology
#18
REVIEW
Clemens Feistritzer, Birgit Mosheimer
During the annual meeting of the American Society of Hematology (ASH) in San Diego/California, novel developments in the field of hemostaseology were presented. Alternative treatment strategies besides factor replacement were discussed for patients with hemophilia. One of the highlights of the meeting in this year's plenary session was the presentation of successful adeno-associated virus mediated gene transfer in patients with hemophilia B leading to sustained elevation of factor IX:C (FIX:c). Other alternative treatment approaches in patients with hemophilia A may include bispecific antibodies mimicking factor VIIIa (FVIIIa) activity or disrupting anticoagulant proteins...
2017: Memo
https://www.readbyqxmd.com/read/28718606/-interventional-treatment-of-venous-insufficiency
#19
Barbara Ney, Rolf P Engelberger, Amin Dabiri, Jean-François Lüthi, Andreas Erdmann, Caroline Krieger, Sébastien Déglise, Thierry Merminod, Philippe Kern, Lucia Mazzolai
Interventional treatment of venous insufficiency has been revolutionized by endovascular techniques. Some of these techniques, and particularly thermal ablation (endovenous laser, radiofrequency) are now recommended as first-line therapy in the latest international guidelines. This is because of less post-operative pain, a shorter leave from employment and similar or lower recurrence rate. Endovenous techniques allow safer and more efficient treatment of certain particular conditions : small saphenous vein, ulcers, and recurrent varicose veins...
March 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28708730/physiological-laterality-of-superficial-cerebral-veins-on-susceptibility-weighted-imaging
#20
Satoshi Matsushima, Tetsuya Shimizu, Taku Gomi, Kunihiko Fukuda
OBJECTIVE: The purpose of this study is to evaluate whether laterality of the superficial cerebral veins can be seen on susceptibility-weighted imaging (SWI) in patients with no intracranial lesions that affect venous visualization. METHODS: We retrospectively evaluated 386 patients who underwent brain magnetic resonance imaging including SWI in our institute. Patients with a lesion with the potential to affect venous visualization on SWI were excluded. Two neuroradiologists visually evaluated the findings and scored the visualization of the superficial cerebral veins...
July 13, 2017: Journal of Computer Assisted Tomography
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