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Lymphatic Research and Biology

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https://www.readbyqxmd.com/read/28486005/reference-values-for-assessment-of-unilateral-limb-lymphedema-with-dual-energy-x-ray-absorptiometry
#1
Caroline A Gjorup, Helle W Hendel, Tobias W Klausen, Bo Zerahn, Lisbet R Hölmich
INTRODUCTION: The clinical assessment of unilateral limb lymphedema is commonly based on measurements of interlimb volume differences. Reference values for interlimb percentage differences of the volume, fat mass, and lean mass measured with dual-energy X-ray absorptiometry (DXA) scan are, however, not established. The aim of the study was to establish and categorize these reference values in normal limbs. METHODS AND RESULTS: DXA scans of the normal arms of 167 and normal legs of 196 melanoma patients (aged 18-75 years, body mass index <40), respectively, were performed...
May 9, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28453410/does-lymphedema-severity-affect-quality-of-life-simple-question-challenging-answers
#2
Teresa S Lee, Carol M Morris, Sharon A Czerniec, Andrea J Mangion
PURPOSE: Lymphedema can have a negative impact on the function and quality of life (QOL) of patients, but most studies have examined lymphedema as a binary variable, rather than a multidimensional disease that ranges in severity. This study explored the potential impact of lymphedema severity on function and overall QOL. METHODS AND RESULTS: Of the 54 lymphedema patients recruited, 40 reported their most severe swelling to be in a limb. These participants underwent bioimpedance measurement (L-Dex(®)) and completed either the disabilities of the arm, shoulder, and hand (DASH) questionnaire or the lower extremity functional scale (LEFS)...
April 28, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28617649/correlation-between-the-severity-of-subcutaneous-echo-free-space-and-the-amount-of-extracellular-fluid-determined-by-bioelectrical-impedance-analysis-of-leg-edema
#3
Kotaro Suehiro, Noriyasu Morikage, Osamu Yamashita, Takasuke Harada, Makoto Samura, Yuriko Takeuchi, Takahiro Mizoguchi, Kaori Nakamura, Kimikazu Hamano
BACKGROUND: Both subcutaneous echo-free space (SEFS) observed by ultrasonography and the ratio of intracellular fluid resistance to extracellular fluid resistance (Ri/Re) calculated from bioelectrical impedance analysis (BIA) represent extracellular edema status in the extremities. We tried to correlate these parameters. METHODS AND RESULTS: In 70 legs with venous edema (VE) and 68 legs with lymphedema (LE), subcutaneous tissue ultrasonography to determine SEFS severity (range, 0-2) and BIA to calculate Ri/Re were performed...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28617648/increasing-morbidity-with-extent-of-lymphadenectomy-for-primary-malignant-melanoma
#4
Philipp Renner, Maria Torzewski, Florian Zeman, Philipp Babilas, Alexander Kroemer, Hans J Schlitt, Marc H Dahlke
BACKGROUND: According to current guidelines, complete lymphadenectomy (LAD) is indicated in melanoma patients with a positive sentinel lymph node. Whereas there is little evidence from randomized trials for a survival benefit of this procedure, its morbidity is not trivial. We aimed to assess clinical associations between risk factors and complications of LAD to guide decision making about this aspect of melanoma management. METHODS AND RESULTS: A cohort of 174 patients who had undergone LAD for primary melanoma was retrospectively analyzed, and multivariable logistic regression models were used to correlate patient risk factors, tumor characteristics, number of excised lymph nodes, and procedural details with the incidence of complications...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28617647/lymphatic-endothelial-cells-mechanical-stress-cytokines-fibrosis-and-age
#5
Stanley G Rockson
No abstract text is available yet for this article.
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28617646/update-june-2017
#6
Francine Blei
No abstract text is available yet for this article.
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28520518/arrested-development-infantile-hemangioma-and-the-stem-cell-teratogenic-hypothesis
#7
Shaghayegh Harbi, Hannah Park, Michael Gregory, Peter Lopez, Luis Chiriboga, Paolo Mignatti
BACKGROUND: Early-life programming is defined by the adaptive changes made by the fetus in response to an adverse in utero environment. Infantile hemangioma (IH), a vascular anomaly, is the most common tumor of infancy. Here we take IH as the tumor model to propose the stem cell teratogenic hypothesis of tumorigenesis and the potential involvement of the immune system. OBJECTIVES: Teratogenic agents include chemicals, heavy metals, pathogens, and ionizing radiation...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28486010/lymphatic-endothelial-cells-under-mechanical-stress-altered-expression-of-inflammatory-cytokines-and-fibrosis
#8
Sheri Wang, Daibang Nie, J Peter Rubin, Lauren Kokai
BACKGROUND: Secondary lymphedema, resulting from damage to lymphatic vessels, is a common sequela following surgical removal of lymph nodes for cancer. Current therapeutics for treating lymphedema are limited and further research on underlying causes is warranted. Published studies on molecular mechanisms of lymphedema primarily focus on lymphatic endothelial cells (LECs), which comprise the innermost lining of lymphatic capillaries and collecting vessels. However, traditional static culture of LECs may not adequately recapitulate the lymphedemous cell phenotype as transcriptomal comparison of human dermal LECs has shown significant differences in ex vivo and in vitro LEC gene expression...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28453392/histamine-as-an-endothelium-derived-relaxing-factor-in-aged-mesenteric-lymphatic-vessels
#9
Irina Tsoy Nizamutdinova, Daisuke Maejima, Takashi Nagai, Cynthia J Meininger, Anatoliy A Gashev
BACKGROUND: Knowledge of the mechanisms by which aging affects contracting lymphatic vessels remains incomplete; therefore, the functional role of histamine in the reaction of aged lymphatic vessels to increases in flow remains unknown. METHODS AND RESULTS: We measured and analyzed parameters of lymphatic contractility in isolated and pressurized rat mesenteric lymphatic vessels (MLVs) obtained from 9- and 24-month Fischer-344 rats under control conditions and after pharmacological blockade of nitric oxide (NO) by Nω-Nitro-L-arginine methyl ester hydrochloride (L-NAME, 100 μM) or/and blockade of histamine production by α-methyl-DL-histidine dihydrochloride (α-MHD, 10 μM)...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28453383/applications-of-platelet-rich-plasma-in-lymphedema
#10
Eleftherios Spartalis, Christos Damaskos, Antonios Athanasiou, Dimitrios Schizas, Demetrios Moris, Dimitrios Dimitroulis
No abstract text is available yet for this article.
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346850/risk-factors-related-to-lower-limb-edema-compression-and-physical-activity-during-pregnancy-a-retrospective-study
#11
Katarzyna Ochalek, Katarzyna Pacyga, Marta Curyło, Aleksandra Frydrych-Szymonik, Zbigniew Szygula
OBJECTIVE: The aim of the article was to assess risk factors and to analyze methods applied in the prevention and treatment of lower limb edema in pregnant women with a particular focus on compression therapy and exercise. MATERIALS AND METHODS: Fifty-four women during the early 24-hour period following delivery were assigned to two groups-either to a group with swellings of lower limbs during pregnancy, located mostly in the region of feet and lower legs (Group A, n = 42), or to a group without edema (Group B, n = 12)...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346864/application-of-the-l-dex-score-for-the-assessment-of-bilateral-leg-edema
#12
Kotaro Suehiro, Noriyasu Morikage, Takasuke Harada, Makoto Samura, Yuriko Takeuchi, Takahiro Mizoguchi, Kaori Nakamura, Kimikazu Hamano
BACKGROUND: We evaluated a modified L-Dex score by using the right arm as a reference (LDSrarm), to determine whether it could be used for the assessment of leg edema in place of the usual L-Dex score calculated by using the contralateral normal leg as a reference (LDScont). METHODS: Bioimpedance analysis was performed in the legs and right arms of 38 patients with unilateral leg edema and in 42 healthy volunteers by using a standard equipotential electrode arrangement...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346854/breast-cancer-related-lymphedema-differentiating-fat-from-fluid-using-magnetic-resonance-imaging-segmentation
#13
Yuka Sen, Yi Qian, Louise Koelmeyer, Robert Borotkanics, Robyn Ricketts, Helen Mackie, Thomas C Lam, Kevin Ho Shon, Hiroo Suami, John Boyages
BACKGROUND: Lymphedema is an iatrogenic complication after breast cancer treatment in which lymph fluid in the affected limb progresses to fat deposition and fibrosis that are amenable to liposuction treatment. Magnetic resonance imaging (MRI) for lymphedema can differentiate fat tissue from fluid, but estimating relative volumes remains problematic. METHODS AND RESULTS: Patients underwent routine bilateral arm MRI both before and after liposuction for advanced lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346852/preoperative-lymphedema-related-risk-factors-in-early-stage-breast-cancer
#14
Zeynep Erdogan Iyigun, Tomris Duymaz, Ahmet Serkan Ilgun, Gul Alco, Cetin Ordu, Dauren Sarsenov, Ayse Esra Aydin, Filiz Elbuken Celebi, Filiz Izci, Yeşim Eralp, Vahit Ozmen
BACKGROUND: Prolongation of survival in patients with breast cancer due to early diagnosis and modern methods of treatment has turned the attention on lymphedema, which is the most important morbidity secondary to the treatment of the disease. Determination of lymphedema and related risk factors in patients before a surgical intervention may provide protection for patients and early treatment. The aim of this study was to determine the presence of lymphedema before surgery by bioimpedance analysis in patients with breast cancer and to establish risk factors associated with lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346851/aquatic-therapy-for-people-with-lymphedema-a-systematic-review-and-meta-analysis
#15
Wai Yeung, Adam I Semciw
BACKGROUND: Aquatic therapy has several proposed benefits for people with lymphedema. A systematic review of the evidence for aquatic therapy in lymphedema management has not been conducted. METHOD AND RESULTS: Systematic review and meta-analysis were conducted. Five electronic databases were searched to identify randomized controlled trials (RCTs) of people with lymphedema, which compared aquatic therapy with other lymphedema interventions. Qualitative analysis was undertaken where quantitative analysis was not possible...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28323573/real-time-direct-evidence-of-the-superficial-lymphatic-drainage-effect-of-intermittent-pneumatic-compression-treatment-for-lower-limb-lymphedema
#16
Shinya Kitayama, Jiro Maegawa, Shinobu Matsubara, Shinji Kobayashi, Taro Mikami, Koichi Hirotomi, Shintaro Kagimoto
BACKGROUND: Intermittent pneumatic compression (IPC) is a widely used lymph drainage therapy that can be performed at home. However, the effectiveness of IPC for lymph drainage remains unclear. The aim of this study is to investigate the real-time change in the lymph flow velocity during IPC and consider which mode and pressure are best for treating lower limb lymphedema. METHODS AND RESULTS: Eight lower left limbs of 8 healthy volunteers and 17 lower limbs of 15 secondary lymphedema patients were investigated...
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28323572/bilateral-changes-in-deep-tissue-environment-after-manual-lymphatic-drainage-in-patients-with-breast-cancer-treatment-related-lymphedema
#17
Paula M C Donahue, Rachelle Crescenzi, Allison O Scott, Vaughn Braxton, Aditi Desai, Seth A Smith, John Jordi, Ingrid M Meszoely, Ana M Grau, Rondi M Kauffmann, Raeshell S Sweeting, Kandace Spotanski, Sheila H Ridner, Manus J Donahue
BACKGROUND: Breast cancer treatment-related lymphedema (BCRL) arises from a mechanical insufficiency following cancer therapies. Early BCRL detection and personalized intervention require an improved understanding of the physiological processes that initiate lymphatic impairment. Here, internal magnetic resonance imaging (MRI) measures of the tissue microenvironment were paired with clinical measures of tissue structure to test fundamental hypotheses regarding structural tissue and muscle changes after the commonly used therapeutic intervention of manual lymphatic drainage (MLD)...
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28323571/lymphatic-drainage-to-the-paravertebral-lymph-nodes-in-breast-cancer-patients
#18
Mirela Mariana Roman, Romain Barbieux, Olivier Leduc, Pierre Bourgeois
INTRODUCTION: Aberrant, altered, or blocked lymphatic drainage may contribute to the high recurrence rate of breast cancer. Thus, an efficient evaluation of lymphatic drainage from the breasts and/or upper limbs is essential in the management of lymphedema and in ipsilateral primary or contralateral recurrent breast cancer patients. There are very few reports of lymphatic drainage to the paravertebral lymph nodes in patients with a lymphedema after breast cancer surgery with or without reconstruction...
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28323570/-near-infrared-fluorescence-lymphatic-imaging-to-reconsider-occlusion-pressure-of-superficial-lymphatic-collectors-in-upper-extremities-of-healthy-volunteers-facts-and-or-artifact
#19
Pierre Bourgeois, Roman Barbieux
No abstract text is available yet for this article.
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28323569/isolated-human-lymphatic-vessels-and-lymphatic-endothelial-cells
#20
Stanley G Rockson
No abstract text is available yet for this article.
March 2017: Lymphatic Research and Biology
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