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https://www.readbyqxmd.com/read/28621805/noninvasive-screening-test-for-detecting-early-stage-lymphedema-using-follow-up-computed-tomography-imaging-after-cancer-treatment-and-results-of-treatment-with-lymphaticovenular-anastomosis
#1
Shinsuke Akita, Fusa Ogata, Ichiro Manabe, Akira Mitsuhashi, Rikiya Nakamura, Yoshihisa Yamaji, Yoshitaka Kubota, Nobuyuki Mitsukawa
BACKGROUND: Although early detection is valuable for secondary lymphedema treatment, existing screening tests are not popular. This study aimed to propose a novel method of screening lymphedema patients based on the thickness of the subcutaneous fat measured with perioperative computed tomography (CT) and present the results from evaluation of patients who underwent those examinations was performed. METHOD: The medical records of 96 gynecological cancer patients and 189 breast cancer patients, whose lymphatic function was assessed with indocyanine green lymphography, were reviewed...
June 16, 2017: Microsurgery
https://www.readbyqxmd.com/read/28609348/factors-associated-with-lymphosclerosis-an-analysis-on-962-lymphatic-vessels
#2
Takumi Yamamoto, Nana Yamamoto, Hidehiko Yoshimatsu, Mitsunaga Narushima, Isao Koshima
BACKGROUND: Lymphaticovenular anastomosis (LVA) is a useful treatment option for compression-refractory lower extremity lymphedema (LEL), but its efficacy largely depends on severity of lymphosclerosis. To maximize LVA efficacy, it is important to elucidate factors associated with severe lymphosclerosis (SLS). METHODS: Medical charts of 134 LEL patients who underwent preoperative indocyanine green (ICG) lymphography and LVA were reviewed to obtain data of clinical demographics, ICG lymphography findings, and intraoperative findings...
June 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28608029/the-efficacy-of-lymphaticovenular-anastomosis-in-breast-cancer-related-lymphedema
#3
H Winters, H J P Tielemans, M Hameeteman, V A A Paulus, C H Beurskens, N J Slater, D J O Ulrich
INTRODUCTION: Lymphedema can be a debilitating condition, causing a great decrease in a person's quality of life (QoL). Treatment with lymphaticovenular anastomosis (LVA), in which an anastomosis is created between the lymphatic and venous system, may attenuate lymphedema symptoms and reduce swelling. In this study, we share the results using LVA to treat breast cancer-related lymphedema (BCRL) at our institution. MATERIALS AND METHODS: Patients were eligible for inclusion if they suffered from unilateral BCRL, if functional lymphatics were available, if compression therapy was used for at least 6 months, and if the follow-up was 12 months at minimum...
June 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28604576/diagnosing-large-vestibular-aqueduct-radiological-review-of-high-resolution-ct-versus-high-resolution-volumetric-mri
#4
Nicholas L Deep, Matthew L Carlson, Steven M Weindling, David M Barrs, Colin L W Driscoll, Christine M Lohse, John I Lane, Joseph M Hoxworth
OBJECTIVES: To compare the diagnostic yield of high-resolution volumetric T2-weighted MRI (HRT2-MRI) with high-resolution computed tomography (HRCT) for diagnosis of large vestibular aqueduct (LVA). STUDY DESIGN: Three board-certified neuroradiologists performed an independent, blinded radiological review for diagnosing LVA with 2:1 age-matched controls on patients with both HRCT and HRT2-MRI imaging. SETTING: Tertiary referral center. PATIENTS: All patients between 2002 and 2016 with hearing loss who underwent both HRCT and HRT2-MRI and were diagnosed with LVA on either modality...
June 9, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28598059/cardiac-abscess-with-ventricular-aneurysm-secondary-to-old-myocardial-infarction
#5
N Nand, S K Singla, S Magu
Myocardial Abscess (MA) is a rare life threatening condition mostly occurring secondary to underlying infective endocarditis. But it can also be found secondary to septicemia with some unknown focus of sepsis in the body. Development of MA as a consequence of left ventricular aneurysm (LVA) secondary to myocardial infarction is very rare. We report the case of 56 year old male, who presented with high grade fever and leukocytosis. On detailed evaluation, he was found to have a myocardial abscess with underlying LVA...
May 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28579948/modulation-of-low-voltage-activated-inward-current-permeable-to-sodium-and-calcium-by-darpp-32-drives-spontaneous-firing-of-insect-octopaminergic-neurosecretory-cells
#6
Bruno Lapied, Antoine Defaix, Maria Stankiewicz, Eléonore Moreau, Valérie Raymond
Identification of the different intracellular pathways that control phosphorylation/dephosphorylation process of ionic channels represents an exciting alternative approach for studying the ionic mechanisms underlying neuronal pacemaker activity. In the central nervous system of the cockroach Periplaneta americana, octopaminergic neurons, called dorsal unpaired median (DUM; DUM neurons), generate spontaneous repetitive action potentials. Short-term cultured adult DUM neurons isolated from the terminal abdominal ganglion (TAG) of the nerve cord were used to study the regulation of a tetrodotoxin-sensitive low-voltage-activated (LVA) channel permeable to sodium and calcium (Na/Ca), under whole cell voltage- and current-clamp conditions...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28497538/multimodality-imaging-of-a-left-ventricular-aneurysm-in-a-patient-with-normal-coronary-arteries-unusual-localization
#7
Mahmut Yesin, Macit Kalçık, Elnur Alizade, Onur Taşar, Mehmet Özkan
Left ventricular aneurysm (LVA) is rare but potentially fatal complication of myocardial infarction. It has been strictly defined as a distinct area of abnormal left ventricular diastolic contour with systolic dyskinesia or paradoxical bulging. It may be asymptomatic. However, complications including thromboembolism, heart failure, valvular regurgitation, arrhythmia, and rarely rupture may be the initial presentation. Diagnosis may be established by transthoracic echocardiography, left ventriculography, computed tomographic angiography, and cardiac magnetic resonance imaging...
May 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28436151/whole-genome-sequence-association-and-ancestry-informed-polygenic-profile-of-eeg-alpha-in-a-native-american-population
#8
Qian Peng, Nicholas J Schork, Kirk C Wilhelmsen, Cindy L Ehlers
EEG alpha activity is the dominant oscillation in most adult humans, is highly heritable, and has been associated with a number of cognitive functions. Two EEG phenotypes, low- and high-voltage alpha (LVA & HVA), have been demonstrated to have high heritabilities. They have different prevalence depending on a population's ancestral origins. In the present study we assessed the influence of ancestry admixture on EEG alpha power, and conducted a whole genome sequencing association analysis and an ancestry-informed polygenic study on those phenotypes in a Native American (NA) population that has a high prevalence of LVA...
June 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28434468/the-effect-of-chinese-herbal-medicine-banxia-baizhu-tianma-decoction-for-the-treatment-of-vertebrobasilar-insufficiency-vertigo-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#9
REVIEW
ZhenLang Guo, ZhenNing Su, ZhengFei Wang, XiaoMu Luo, RenKui Lai
OBJECTIVES: Banxia Baizhu Tianma Decoction (BBTD) is widely used to treat vertebrobasilar insufficiency vertigo (VBIV) in China, but its efficacy remains largely unexplored. We systemically summarized relevant evidence from randomized controlled trials (RCTs) to assess the therapeutic effect of BBTD. METHODS: Seven electronic databases were searched for relevant electronic studies published before July 2016. We evaluated RCTs that compared BBTD, anti-vertigo drugs and a combination of BBTD and anti-vertigo drugs...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28431051/safety-long-term-outcomes-and-predictors-of-recurrence-after-first-line-combined-endoepicardial-ventricular-tachycardia-substrate-ablation-in-arrhythmogenic-cardiomyopathy-impact-of-arrhythmic-substrate-distribution-pattern-a-prospective-multicentre-study
#10
Antonio Berruezo, Juan Acosta, Juan Fernández-Armenta, Alonso Pedrote, Alberto Barrera, Eduardo Arana-Rueda, Andrés Ignacio Bodegas, Ignasi Anguera, Luis Tercedor, Diego Penela, David Andreu, Rosario Jesus Perea, Susana Prat-González, Lluis Mont
Background: First-line endoepicardial ventricular tachycardia (VT) ablation has been proposed for patients with arrhythmogenic cardiomyopathy (AC). This study reports procedural safety, outcomes, and predictors of recurrence. Methods and Results: Forty-one consecutive patients [12 with left ventricle (LV) involvement, 7 left-dominant] underwent first-line endoepicardial VT substrate ablation. Standard bipolar and unipolar thresholds were used to define low-voltage areas (LVA)...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28387462/identification-and-electrophysiological-characterization-of-early-left-atrial-structural-remodeling-as-a-predictor-for-atrial-fibrillation-recurrence-after-pulmonary-vein-isolation
#11
Atsuhiko Yagishita, Dina Sparano, Ivan Cakulev, J Rod Gimbel, Timothy Phelan, Hossam Mustafa, Samer De Oliveira, Judith Mackall, Mauricio Arruda
BACKGROUND: Voltage-guided substrate ablation following pulmonary vein isolation (PVI) improves atrial fibrillation (AF) ablation outcomes. However, by setting an upper voltage cutoff of 0.5 mV during sinus rhythm (SR) to guided substrate ablation using electroanatomic voltage mapping (EAVM), mildly affected low-voltage area (maLVA) may be undetected. We sought to determine the optimal bipolar voltage cutoff to identify maLVA, its electrogram complexity, and the implication on ablation outcome...
June 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28370317/the-effect-of-prophylactic-lymphovenous-anastomosis-and-shunts-for-preventing-cancer-related-lymphedema-a-systematic-review-and-meta-analysis
#12
REVIEW
Mads G Jørgensen, Navid M Toyserkani, Jens A Sørensen
BACKGROUND: Lymphedema is one of the most dreaded side effects to any cancer treatment involving lymphadenectomy. Progressed lymphedema is adversely complex and currently there is no widely acknowledged curative treatment. Therefore recent focus has shifted to risk reduction and prevention. It has been hypothesized that bypassing lymphatic vessels to veins prophylactically, could minimize the lymphatic dysfunction seen following lymphadenectomy. METHODS: To investigate this possible future treatment modality, we performed a systematic meta-analysis of studies treating patients with prophylactic lymphovenous analysisstomosis (LVA) for the prevention of secondary lymphedema following lymphadenectomy...
March 28, 2017: Microsurgery
https://www.readbyqxmd.com/read/28367595/ionic-currents-influencing-spontaneous-firing-and-pacemaker-frequency-in-dopamine-neurons-of-the-ventrolateral-periaqueductal-gray-and-dorsal-raphe-nucleus-vlpag-drn-a-voltage-clamp-and-computational-modelling-study
#13
Antonios G Dougalis, Gillian A C Matthews, Birgit Liss, Mark A Ungless
Dopamine (DA) neurons of the ventrolateral periaqueductal gray (vlPAG) and dorsal raphe nucleus (DRN) fire spontaneous action potentials (APs) at slow, regular patterns in vitro but a detailed account of their intrinsic membrane properties responsible for spontaneous firing is currently lacking. To resolve this, we performed a voltage-clamp electrophysiological study in brain slices to describe their major ionic currents and then constructed a computer model and used simulations to understand the mechanisms behind autorhythmicity in silico...
June 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28353573/aneurysm-related-ischemic-ventricular-tachycardia-safety-and-efficacy-of-catheter-ablation
#14
Jin-Rui Guo, Li-Hui Zheng, Ling-Min Wu, Li-Gang Ding, Yan Yao
Left ventricular aneurysm (LVA) postmyocardial infarction (MI) might be an arrhythmogenic substrate. We examined the safety and efficacy of catheter ablation of LVA-related ventricular tachycardia (VT).Thirty-three consecutive patients who underwent primary catheter ablation of ischemic VT were divided into LVA group (11 patients, mean age 61.9 years, 10 men) and none LVA group. Acute procedural outcomes, complications, and long-term outcomes were assessed.In LVA group, average number of induced VTs were 3...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28272717/our-supramicrosurgical-experience-of-lymphaticovenular-anastomosis-in-lymphoedema-patients-to-prevent-cellulitis
#15
P Gennaro, G Gabriele, C Salini, G Chisci, F Cascino, J-F Xu, C Ungari
OBJECTIVE: Aim of this paper is to present our reduction of the frequency of cellulitis before and after supramicrosurgical lymphaticovenular anastomosis (s-LVA) in lymphoedema patients, and discuss the possibility to perform this technique outside Japan. PATIENTS AND METHODS: 37 patients affected by lymphoedema were enrolled. All patients received preoperative indocyanine green lymphography. Under local anaesthesia s-LVA was performed on all patients. All patients were followed for 1 year...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28272715/could-mri-visualize-the-invisible-an-italian-single-center-study-comparing-magnetic-resonance-lymphography-mrl-super-microsurgery-and-histology-in-the-identification-of-lymphatic-vessels
#16
P Gennaro, A Borghini, G Chisci, F G Mazzei, E Weber, E Tedone Clemente, S Guerrini, F Gentili, G Gabriele, C Ungari, M A Mazzei
OBJECTIVE: Aim of this study is to evaluate the possibility of limb magnetic resonance lymphography (MRL) to differentiate lymphatic vessels from pathological veins, collect a specimen of the identified lymphatic vessel during operations of super microsurgical lymphatic-venular anastomosis (s-LVA) and perform immunohistochemical stainings to confirm the nature of the collected vessels. PATIENTS AND METHODS: Twenty patients presenting lymphedema were enrolled in this study...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28265793/lymphatico-venous-anastomosis-as-treatment-for-breast-cancer-related-lymphedema-a-prospective-study-on-quality-of-life
#17
Anouk J M Cornelissen, Melissa Kool, Tiara R Lopez Penha, Xavier H A Keuter, Andrzej A Piatkowski, E Heuts, René R W J van der Hulst, Shan Shan Qiu
PURPOSE: Lymphedema is a chronic and disabling sequel of breast cancer treatment that can be treated by lymphatico-venous anastomosis (LVA). Artificial connections between the venous and lymphatic system are performed supermicrosurgically. This prospective study analyses the effect of LVA on quality of life. METHODS: A prospective study was performed between November 2015 and July 2016 on consecutive patients in the Maastricht University Medical Centre. Quality of life was considered as the primary outcome, and the Lymphedema International Classification of Functioning (Lymph-ICF) questionnaire was used...
June 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28203506/lymphaticovenous-anastomosis-releases-the-lower-extremity-lymphedema-associated-pain
#18
Makoto Mihara, Hisako Hara, Han Peng Zhou, Shuichi Tange, Kazuki Kikuchi
BACKGROUND: We investigate the effectiveness of lymphaticovenous anastomosis (LVA) in releasing lymphedema-associated pain. METHODS: We performed a retrospective analysis. Subjects of this study included lower extremity lymphedema patients who presented persistent and constant degrees of pain in their lower limbs. LVA was performed under local anesthesia. The preoperative lower extremity pain and postoperative lower extremity pain were surveyed using the visual analog scale on a score from 0 to 10...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28132832/intra-neuronal-competition-for-synaptic-partners-conserves-the-amount-of-dendritic-building-material
#19
Stefanie Ryglewski, Fernando Vonhoff, Kathryn Scheckel, Carsten Duch
Brain development requires correct targeting of multiple thousand synaptic terminals onto staggeringly complex dendritic arbors. The mechanisms by which input synapse numbers are matched to dendrite size, and by which synaptic inputs from different transmitter systems are correctly partitioned onto a postsynaptic arbor, are incompletely understood. By combining quantitative neuroanatomy with targeted genetic manipulation of synaptic input to an identified Drosophila neuron, we show that synaptic inputs of two different transmitter classes locally direct dendrite growth in a competitive manner...
February 8, 2017: Neuron
https://www.readbyqxmd.com/read/28059630/carotid-ultrasound-features-of-anomalous-left-vertebral-artery-originating-from-the-aortic-arch-proximal-to-the-left-subclavian-artery
#20
Masayuki Wakita, Ran Takei, Fumio Miyashita, Yuki Hamada, Satoshi Ohyama, Hideki Matsuoka, Hiroshi Takashima
We present three cases of anomalous origin of the left vertebral artery (LVA) detected during the evaluation of stroke. The VA usually enters the transverse foramen of the sixth cervical vertebra (C6), but an anomalous LVA originating from the aorta frequently enters at a higher level. In our series, ultrasound of the LVA showed entry at C4 in two patients and at C5 in one patient. These findings suggested anomalous LVA origin, and three-dimensional computed tomography demonstrated the LVA arising from the aorta proximal to the left subclavian arteries...
April 2017: Neuroradiology Journal
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