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Echographie

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https://www.readbyqxmd.com/read/29777850/a-novel-cardiovascular-prosthesis-made-from-woven-ultra-high-molecular-weight-polyethylene-fibers-proof-of-concept-in-a-sheep-model
#1
Amir Basir, Mylène Loncq de Jong, Aryan Vink, Gerard Pasterkamp, Paul Gründeman, Frans Moll, Joost van Herwaarden
BACKGROUND: A patch, made of woven ultra-high molecular weight polyethylene (UHMWPE) fibers is thin, strong, and flexible, and may be attractive for use in cardiovascular prostheses. This study assessed the hemocompatibility of this patch in a sheep model. METHODS: The UHMWPE patches were sutured in the right carotid artery and jugular vein in 12 adult sheep, and in the same animal, expanded polytetrafluoroethylene (ePTFE) patches were sutured as control patches in the left carotid artery and jugular vein...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29774459/possible-role-of-standardized-echography-complementing-ultrasound-biomicroscopy-in-tumors-of-the-anterior-eye-segment-a-study-in-a-series-of-13-patients
#2
B Kuzmanović Elabjer, M Bušić, D Miletić, M Bjeloš, N Vukojević, D Bosnar
PURPOSE: To evaluate the efficacy of standardized A-scan echography (ASE) complementing ultrasound biomicroscopy (UBM) to propose the most efficient method as grounds for the diagnosis, treatment, and follow-up of anterior eye-segment tumors. METHODS: The inclusion criteria were tumors of the ciliary body and peripheral choroidal tumors, whose anterior border could not be visualized with a 10 MHz ultrasound probe. The largest basal dimension and the highest prominence of the tumor were measured with a UBM Lin 50 probe...
May 17, 2018: Journal of Ultrasound
https://www.readbyqxmd.com/read/29773881/evaluation-of-vascular-changes-with-optical-coherence-tomography-angiography-after-ruthenium-106-brachytherapy-of-circumscribed-choroidal-hemangioma
#3
Gilda Cennamo, Claudia Rossi, Maria Angelica Breve, Nunzio Velotti, Antonio Farella, Raffaele Liuzzi, Giovanni Cennamo
PURPOSE: To describe the vascular changes of circumscribed choroidal hemangioma (CCH) after ruthenium-106 brachytherapy using optical coherence tomography angiography (angio-OCT). METHODS: Seven eyes of 7 patients diagnosed with symptomatic CCH who underwent ruthenium-106 plaque radiotherapy were included in the study. Patients underwent complete ophthalmic examination, bulbar echography and angio-OCT. The same protocol was applied 1 year after ruthenium-106 brachytherapy...
May 18, 2018: Eye
https://www.readbyqxmd.com/read/29747872/early-ultrasonographic-tumor-regression-after-linear-accelerator-stereotactic-fractionated-photon-radiotherapy-of-choroidal-melanoma-as-a-predictor-for-metastatic-spread
#4
Christoph Mitsch, Martin Zehetmayer, Andreas Gleiss, Dietmar Georg, Karin Dieckmann, Richard Pötter, Ramzi Sayegh, Ursula Schmidt-Erfurth, Roman Dunavoelgyi
BACKGROUND AND PURPOSE: During extended follow-up (of up to 15 years), approximately fifty percent of patients with choroidal melanoma will develop metastatic disease and eventually die. Thus, continuing research on prognostic factors, early detection and treatment is necessary. Height regression rates both after plaque brachytherapy and proton beam irradiation have been shown to have prognostic value. The purpose of this study was to analyze the influence of early tumor regression rate after treatment of choroidal melanoma with LINAC stereotactic fractionated radiotherapy (SFRT) as an independent risk factor for metastasis...
May 8, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29747617/pheochromocytoma-as-a-rare-cause-of-hypertension-in-a-46-x-i-x-q10-turner-syndrome-a-case-report-and-literature-review
#5
Ji Yeon Shin, Bo Hyun Kim, Young Keum Kim, Tae Hwa Kim, Eun Heui Kim, Min Jin Lee, Jong Ho Kim, Yun Kyung Jeon, Sang Soo Kim, In Joo Kim
BACKGROUND: Cardiovascular disease (CVD) presents the most serious health problems and contributes to the increased mortality in young women with Turner syndrome. Arterial hypertension in Turner syndrome patients is significantly more prevalent than that in a general age-matched control group. The aetiology of hypertension in Turner syndrome varies, even in the absence of cardiac anomalies and obvious structural renal abnormalities. Pheochromocytoma is an extremely rare cause among various etiologies for hypertension in patients with Turner syndrome...
May 10, 2018: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/29737108/-clinical-and-ultrasonographic-features-of-hepatic-infantile-hemangioendothelioma
#6
Hong Wang, Huan Zhang, Ting-Ting Qiu, Yu-Lan Peng
OBJECTIVE: To investigate the clinical manifestations and ultrasound features of hepatic infantile hemangioendothelioma (IHE). METHODS: This study retrospectively analyzed the clinical features and ultrasound characteristics of 8 patients of IHE,whose diagnosis was confirmed by surgery or liver biopsy from January 2010 to October 2016. RESULTS: Among the eight IHE patients,the male-to-female ratio was 1:1,with the mean age ranged from 15 d to 3 yr...
January 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29707295/percutaneous-occluder-device-closure-through-femoral-vein-guidance-by-transthoracic-echocardiography-in-adult-atrial-septal-defect-patients
#7
Yixin Jia, Xu Meng, Yan Li, Chunlei Xu, Wen Zeng, Yuqing Jiao, Wei Han
Background: This study aimed to summarize percutaneous occluder device closure of atrial septal defects (ASD) through the femoral vein, using guidance by transthoracic echocardiography under local anesthesia without radiation or fluoroscopic guidance. Methods: This was a case series of fourteen patients, 3 males and 11 females, diagnosed with central ASD, the diameter of the defect ranged from 9 to 32 mm, and the patients had no other heart malformations or organ dysfunction...
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29701402/endovascular-treatment-of-a-complicated-type-b-acute-aortic-dissection-with-3-d-ultrasound-control
#8
Roger Rodrigues, Javier Villaverde, Jorge Noya, Gabriel Anacleto, Óscar Gonçalves
INTRODUCTION: Acute type B aortic dissection (ATBAD), identified within 2 weeks of symptom onset, accounts for 25%-40% of all aortic dissections. Approximately 25% of patients presenting with ATBAD are complicated at admission by malperfusion syndrome or hemodynamic instability, resulting in a high risk of early death when untreated. METHODS: We present a case of a patient with a complicated type B dissection treated by an endovascular technique with control of the sealing zone with transesophageal Echocardiogram (TEE) and 3-D images...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29679353/low-frequency-of-cervicocranial-artery-involvement-in-japanese-with-renal-artery-fibromuscular-dysplasia-compared-with-that-of-caucasians
#9
Eikan Mishima, Shu Umezawa, Takehiro Suzuki, Miki Fujimura, Michiaki Abe, Junichiro Hashimoto, Takaaki Abe, Sadayoshi Ito
BACKGROUND: Fibromuscular dysplasia (FMD), which usually affects the renal artery, also affects the carotid, vertebral, and intracranial arteries. Previous studies have shown a high prevalence of concomitant renal artery and cervicocranial lesions in FMD patients. However, the analyzed subjects were mostly Caucasians in Western countries. METHOD: We performed a retrospective analysis to examine the prevalence of cervicocranial vascular lesions in Japanese FMD patients with renal artery involvement at a single institution...
April 20, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29601853/predictors-of-cognitive-impairment-assessed-by-mini-mental-state-examination-in-community-dwelling-older-adults-relevance-of-the-step-test
#10
Antonio Muscari, Ilaria Spiller, Giampaolo Bianchi, Elisa Fabbri, Paola Forti, Donatella Magalotti, Paolo Pandolfi, Marco Zoli
BACKGROUND: Several predictors of cognitive impairment assessed by Mini Mental State Examination (MMSE) have previously been identified. However, which predictors are the most relevant and what is their effect on MMSE categories remains unclear. METHODS: Cross-sectional and longitudinal study using data from 1116 older adults (72.6 ± 5.6 years, 579 female), 350 of whom were followed for 7 years. At baseline, the following variables were collected: personal data, marital status, occupation, anthropometric measures, risk factors, previous cardiovascular events, self-rated health and physical activity during the last week...
March 27, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29562836/the-valsalva-manoeuvre-versus-tourniquet-for-venipuncture
#11
Gianluca Villa, Cosimo Chelazzi, Rosa Giua, Laura Lavacchini, Lorenzo Tofani, Giovanni Zagli, Francesco Barbani, A Raffaele De Gaudio, Stefano Romagnoli, Fulvio Pinelli
BACKGROUND: During ultrasound-guided cannulation, venous filling is required for venipuncture. Tourniquet with an elastic tube at the axilla is the most common method to induce venous stasis for cannulation of the deep veins of the arm. Although effective, this method might be associated with short- and long-term complications. Valsalva manoeuvre has been used to produce venous filling in other extrathoracic veins. The aim of this observational study is to demonstrate the effect of Valsalva manoeuvre in respect of the elastic tourniquet on venous distention during echography-guided cannulation of the deep veins of the arm...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29549426/prevalence-of-choroidal-nevus-and-retinal-pigment-epithelial-alterations-in-vitiligo-patients
#12
Efrat Fleissig, Mor Pavlovksy, Anat Loewenstein, Dinah Zur, Hadas Newman, Shay Keren, Dafna Goldenberg, Efrat Bar-Ilan, Michaella Goldstein
PURPOSE: To investigate ocular manifestations in patients with vitiligo by multimodal imaging, including optical coherence tomography (OCT), color fundus photography, and fundus autofluorescence (FAF). METHODS: In this prospective, observational clinical study, vitiligo patients underwent ophthalmologic and dermatologic clinical assessment and imaging by spectral-domain OCT, FAF, and color fundus imaging. Ocular echography was performed as indicated. Statistical analysis was performed using paired T test and Pearson correlation...
March 16, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29525196/pharmacokinetics-and-pharmacodynamics-of-nebulized-and-intratracheal-milrinone-in-a-swine-model-of-hypercapnia-pulmonary-hypertension
#13
Paul Gavra, André Y Denault, Yves Théoret, Louis P Perrault, France Varin
OBJECTIVES: Milrinone pulmonary administration is used currently for the treatment of pulmonary hypertension. Several methods are available: simple jet nebulization, vibrating mesh nebulization, intratracheal instillation, and intratracheal atomization. The aim of this study was to explore the concentration-effect relationship of milrinone for each of these methods. DESIGN: Observational open-label pharmacokinetic/pharmacodynamics cohort study. SETTING: Single-center, hospital animal laboratory...
January 31, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29490711/ultrasonographic-diagnosis-of-diaphragm-paralysis-in-a-neonate-during-mechanical-ventilation-after-cardiac-surgery
#14
Yoshihiro Nozaki, Lisheng Lin, Yoshiaki Kato
Diaphragm excursion method is unsuitable for diagnosis of diaphragm paralysis during positive pressure ventilation. We diagnosed diaphragm paralysis in a neonate, without interrupting positive pressure respiratory support after cardiac surgery, using the diaphragm thickness fraction, which could be evaluated during mechanical ventilation and was unaffected by bowel gases. The diaphragm thickness fraction method can help diagnose diaphragm dysfunction using only echography.
May 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29484239/ultrasonographic-assessment-of-neck-muscular-size-and-range-of-motion-in-rugby-players
#15
Walter Hemelryck, Josselin Calistri, Virginie Papadopoulou, Sigrid Theunissen, Christian Dugardeyn, Costantino Balestra
Background: World Rugby Union laws are constantly evolving towards stringent injury-prevention, particularly for contested scrums, since front row players are most at risk of cervical spine injuries. Recently, some countries have also introduced tailored training programs and minimum performance requirements for playing in the front row. Nevertheless, these approaches lack an objective assessment of each cervical muscle that would provide protective support. Objective: Since front row players are the most at risk for cervical spine injuries due to the specific type of contact during scrums, the purpose of this study was to ascertain whether significant differences exist in neck muscle size and range of motion between front row players and players of other positions, across playing categories...
February 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29483487/a-rare-case-of-cardiac-calcified-amorphous-tumor-multi-modality-imaging-evaluation
#16
Fei Xu, Zhenghua Xiao, Liqing Peng, Chaoyi Qin, Gang Yang, Jun Gu, Yunxia Zuo
BACKGROUND Cardiac calcified amorphous tumors (CAT) are rarely presented and featured as calcification and eosinophilic amorphous material in dense collagenous fibrous tissue. CASE REPORT Our case report describes a 47-year-old man presenting cardiac CAT with only chronic cough and occasional dizziness. Preoperative multi-modality imaging was used to evaluate it and postoperative histological study was used to confirm the diagnosis. The mass was resected and the patient was fully recovered and discharged on the 7th postoperative day...
February 27, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29467022/recovery-of-muscle-function-after-deep-neuromuscular-block-by-means-of-diaphragm-ultrasonography-and-adductor-of-pollicis-acceleromyography-with-comparison-of-neostigmine-vs-sugammadex-as-reversal-drugs-study-protocol-for-a-randomized-controlled-trial
#17
Iacopo Cappellini, Fabio Picciafuochi, Daniele Ostento, Ginevra Danti, Angelo Raffaele De Gaudio, Chiara Adembri
BACKGROUND: The extensive use of neuromuscular blocking agents (NMBAs) during surgical procedures still leads to potential residual paralyzing effects in the postoperative period. Indeed, neuromuscular monitoring in an intra-operative setting is strongly advocated. Acetylcholinesterase inhibitors can reverse muscle block, but their short half-life may lead to residual curarization in the ward, especially when intermediate or long-acting NMBAs have been administered. Sugammadex is the first selective reversal drug for steroidal NMBAs; it has been shown to give full and rapid recovery of muscle strength, thus minimizing the occurrence of residual curarization...
February 21, 2018: Trials
https://www.readbyqxmd.com/read/29459081/changes-in-the-diagnosis-and-treatment-of-soft-tissue-sarcoma-in-japan-1977-2016
#18
REVIEW
Seiichi Matsumoto
The treatment of soft tissue tumors has maderemarkable progress through advancements in diagnostic imaging and analysis ofsurgical materials. Changes in the treatment of soft tissue tumors are describedfrom my experience since 1977. Prior to the introduction of CT scans, radiography and angiography were the only methods for tumor localization. Wholebody CT, echography, and soft tissue radiography were introduced around 1980,and significant progress was seen in the localization of soft tissue tumors.Although the localization and diagnostic characteristics of tumors becameeasier with the introduction of MRI, radiography and ultrasound still remainedthe primary diagnostic method for soft tissue tumors...
February 16, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29433478/case-report-of-severe-myocarditis-in-an-immunocompromised-child-with-respiratory-syncytial-virus-infection
#19
Hiroki Miura, Fumihiko Hattori, Hidetoshi Uchida, Tadayoshi Hata, Kazuko Kudo, Masatoki Sato, Tetsushi Yoshikawa
BACKGROUND: Respiratory syncytial virus (RSV) infection is common and may be severe among patients with preexisting cardiac anomalies, but direct involvement of myocardial damage is not common in those patients. Additionally, myocardial involvement has been rarely described among immune compromised children. CASE PRESENTATION: A 4-year-old girl with acute lymphoblastic leukemia who received maintenance chemotherapy in an outpatient clinic developed systemic inflammatory response syndrome...
February 12, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29415717/implementing-large-scale-fast-track-diagnostics-in-a-comprehensive-cancer-center-pre-and-post-measurement-data
#20
W H van Harten, N Goedbloed, A H Boekhout, S Heintzbergen
BACKGROUND: In general, patients with a cancer suspicion visit the hospital multiple times before diagnosis is completed. Using various "operations management" techniques a few fast track diagnostic services were implemented in the Netherlands Cancer Institute (NKI) in 2006. Growing patient numbers and increasing process complexity, led to diminished service levels. To decrease the amount of patient visits and to extend these services beyond the (obvious) breast cancer services, fast track diagnostics is now implemented for all 18 cancer types that present with a frequency of minimally one per week...
February 7, 2018: BMC Health Services Research
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