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sonography doppler

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https://www.readbyqxmd.com/read/28717917/-acute-right-sided-upper-abdominal-pain-in-a-46-year-old-woman
#1
M Bauder, A Fiala, C Klinger, W Kersjes, K Caca
A 46-year-old woman presented with acute abdominal pain in the right upper quadrant. Esophagogastroduodenoscopy revealed a duodenal stenosis within the horizontal part of the duodenum. Based on the findings of abdominal computed tomography (CT), endosonography, Doppler duplex sonography and angiography, the diagnosis of an aneurysm of a branch of the inferior pancreaticoduodenal artery was established. This arterial branch was part of a collateral circulation between the superior mesenteric artery and the proper hepatic artery caused by obturation of the celiac artery...
July 17, 2017: Der Internist
https://www.readbyqxmd.com/read/28717121/impact-of-doppler-ultrasound-on-diagnosis-and-therapy-control-of-lienalis-steal-syndrome-after-liver-transplantation
#2
Eva M Teegen, Timm Denecke, Rosa B Schmuck, Robert Öllinger, Dominik Geisel, Johann Pratschke, Sascha S Chopra
BACKGROUND Lienalis steal syndrome is a rare complication after orthotopic liver transplantation leading to severe complications. Routine duplex sonography allows early and safe detection of lienalis steal syndrome and secondarily helps to monitor the outcome by evaluating the hemodynamics. MATERIAL AND METHODS This analysis included eight patients who after orthotopic liver transplantation needed splenic artery embolization due to lienalis steal syndrome. Lienalis steal syndrome was assumed in case of elevated transaminases, bilirubinemia or persistent ascites, and the absence of further pathologies...
July 18, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28713510/color-doppler-indices-of-proximal-and-distal-parts-of-middle-cerebral-artery-in-fetuses-with-intrauterine-growth-restriction
#3
Farhad Naleini, Mohammad Farzizadeh, Abdolmajid Taheri, Ayoob Rostamzadeh, Daryoush Fatehi
INTRODUCTION: Intrauterine growth restriction (IUGR) is a major clinical issue for pregnant women. The purpose of this study was to evaluate color Doppler indices of the proximal and distal parts of the middle cerebral artery (MCA) of the fetus. METHODS: In this cross-sectional study, 350 pregnant patients, with gestation age of 32-40 who were suspected to have intrauterine growth restriction, participated. The patients were referred for color Doppler sonography at the Imam Reza Hospital (Kermanshah, Iran) from May 2011 to September 2012...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28705060/usefulness-of-multiparametric-ultrasound-for-evaluating-structural-abnormality-of-transplanted-kidney-can-we-predict-histologic-abnormality-on-renal-biopsy-in-advance
#4
Moon Gyu Yoo, Dae Chul Jung, Young Taik Oh, Sung Yoon Park, Kyunghwa Han
OBJECTIVE: The purpose of this study was to investigate the associations between microscopic abnormalities of transplanted kidneys and sonography-based imaging biomarkers, including elasticity, venous impedance index, arterial resistive index, and size. MATERIALS AND METHODS: Between 2011 and 2015, 159 recipients underwent sonography and biopsy of a transplanted kidney at our institution; 104 adult patients were included in this study. The maximal longitudinal length on gray-scale images, arterial resistive index, and venous impedance index on Doppler images and shear wave velocity on acoustic radiation force impulse imaging or Young modulus on supersonic shear imaging were measured before biopsy...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28695812/clinical-and-sonographic-features-of-mammary-paget-s-disease
#5
Yao Wei, Qingli Zhu, Jianchu Li, Yuxin Jiang
Objective To summarize the clinical and sonographic features of mammary Paget's disease (MPD). Methods Totally 34 female patients with pathologically confirmed MPD were retrospectively recruited. According to diagnosis,the clinical data and sonographic findings were reviewed and analyzed. Results Among these 34 patients,7 patients had single MPD; in the remaining 27 patients,16 were accompanied by invasive ductal carcinoma (IDC),7 by ductal carcinoma in situ (DCIS),3 by both IDC and DCIS,and 1 by other pathologic types of carcinoma...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28693690/clinical-evaluation-of-color-doppler-ultrasound-in-selecting-the-optimal-treatment-modality-for-infantile-hemangioma-%C3%A2
#6
Li Min, Liu Juan, Maya Valeska, Luo Dan, Zhou Bingrong
Objective We investigated the efficacy and safety of 1064 nm Nd: YAG laser, intense pulsed light (IPL), and lauromacrogol injection in the treatment of hemangioma, in order to evaluate the value of color Doppler ultrasound guidance in choosing the optimal treatment modality. Methods Infantile patients who were clinical diagnosed as hemangiomas were randomly divided into group A, who had color Doppler ultrasound examinations before the treatment, and group B who had the treatment without ultrasound evaluation...
June 10, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28671861/the-transcranial-doppler-sonography-for-optimal-monitoring-and-optimization-of-cerebral-perfusion-in-aortic-arch-surgery-a-case-series
#7
Tamer Ghazy, Ayham Darwisch, Torsten Schmidt, Phong Nguyen, Zuzana Fajfrova, Klaus Matschke, Utz Kappert
OBJECTIVE: To analyze the feasibility and advantages of transcranial doppler sonography (TCD) for monitoring and optimization of selective cerebral perfusion (SCP) in aortic arch surgery. METHODS: From April 2013 to April 2014, nine patients with extensive aortic pathology underwent surgery under moderate hypothermic cardiac arrest with unilateral antegrade SCP under TCD monitoring in our institution. Adequate sonographic window and visualization of circle of Willis were to be confirmed...
June 16, 2017: Heart Surgery Forum
https://www.readbyqxmd.com/read/28669033/monitoring-the-brain-after-cardiac-arrest-a-new-era
#8
REVIEW
Niraj Sinha, Sam Parnia
PURPOSE OF REVIEW: Of the approximately 350,000 out-of-hospital, and 750,000 after in-hospital cardiac arrest (CA) events in the US annually approximately 5-9% and 20% respectively may achieve return of spontaneous circulation (ROSC) after attempted cardiopulmonary resuscitation (CPR). Up to 2/3 of these initial survivors may go on die in the subsequent 24-72 hours after ROSC due to a combination of (1) on-going cerebral injury, (2) myocardial dysfunction and (3) massive systemic inflammatory response...
August 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28665368/-an-effect-of-cerebral-hemodynamics-in-patients-with-cerebrovascular-disorders-on-the-in-hospital-transportation
#9
V I Gorbachev, A V Lokhov, S M Gorbacheva, E Yu Sedova
In-hospital transportation of 76 patients with cerebrovascular disorders, including those in the first postoperative day, was performed. Two cerebral hemodynamic measurements were carried out five minutes before and immediately after transportation using transcranial Doppler sonography. Significant changes in cerebral blood flow in the operated patients were shown. No significant effect on the rate of cerebral blood flow was identified in patients with ischemic lesions.
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28656928/dynamic-and-morphologic-evaluation-of-erectile-dysfunction-on-penile-doppler-sonography-and-contrast-cavernosography
#10
A Ismail, A M Tabari, S U Alhasan, A Abdullahi
BACKGROUND: Penile erection is a complex phenomenon that involves coordinated interaction of the psychologic, hormonal, nervous, arterial, venous, and sinusoidal systems. Erectile dysfunction (ED) is the persistent inability to attain or maintain penile erection sufficient for sexual intercourse. This study aims to determine the real-time morphologic vascular abnormalities in men with ED using penile Doppler sonography in Kano, Nigeria. MATERIALS AND METHODS: Twenty-one patients who were referred from urology clinics on account of suspected vasculogenic ED were reviewed...
June 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28656317/-imaging-representation-of-peripheral-veins
#11
REVIEW
B Voigts, N Abolmaali, C Stelzner, S M Schellong
Several techniques are available for imaging of the venous system of the legs and pelvic region. In cases of suspected deep leg vein thrombosis B‑mode compression ultrasound is applied. Its accuracy is sufficient to either confirm or exclude the diagnosis with certainty. For examination of the iliac veins, however, flow information has to be added by pulsed wave (PW) Doppler or color Doppler sonography. In cases of suspected arm vein thrombosis, ultrasound is also the method of choice. The more proximal or the central parts of the venous system, i...
June 27, 2017: Der Internist
https://www.readbyqxmd.com/read/28643667/can-we-perform-a-prenatal-diagnosis-of-vasa-previa-to-improve-its-obstetrical-and-neonatal-outcomes
#12
E Nohuz, E Boulay, D Gallot, D Lemery, F Vendittelli
INTRODUCTION: Vasa previa (VP) is defined as a condition in which the fetal blood vessels, unsupported by the placenta or the umbilical cord, run through the membranes of the lower uterine segment. It is associated with a high risk of stillbirth by exsanguination. This study aimed to assess the clinical context of diagnosis of VP in order to elaborate a strategy for its prenatal diagnosis and to improve its obstetrical and neonatal outcomes. MATERIAL AND METHODS: This historical cohort study covered the period from January 1, 2011 to December 31, 2015...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28610970/internal-maxillary-artery-bypass-with-radial-artery-graft-treatment-of-giant-intracranial-aneurysms
#13
Long Wang, Shuaibin Lu, Hai Qian, Xiang'en Shi
BACKGROUND: Giant intracranial aneurysms (GIAs) can be approached via microsurgical and endovascular techniques. Utilization of flow diversion devices (FDDs) has yielded favorable outcomes, and indications for cerebral revascularization have dramatically decreased. OBJECTIVE: To evaluate the safety and validity of using internal maxillary artery (IMA) bypass with an interposed graft to treat GIAs. METHODS: During a 6-year period, high-flow IMA bypass procedures were performed in 32 patients with GIAs at our institute...
June 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28603855/stress-fractures-of-the-calcaneus-diagnosed-by-sonography-report-of-8-cases
#14
Stefano Bianchi, Dien Hung Luong
We present a retrospective review of 8 patients (6 women and 2 men, with an age range of 46-80 years; mean age, 60.2 years) in whom sonography was used to diagnose a calcaneal stress fracture. Sonography was performed because of a clinical suspicion of soft tissue injuries. Two patients were first assessed by standard radiography; for the remaining patients, sonography was the first imaging technique used. Patients were subsequently examined by magnetic resonance imaging, except for 1 patient in whom the diagnosis was made only on a clinical-sonographic correlation...
June 12, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28603648/color-doppler-sonography-patterns-in-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-of-mediastinal-lymph-nodes
#15
Mario Nosotti, Alessandro Palleschi, Davide Tosi, Paolo Mendogni, Ilaria Righi, Rosaria Carrinola, Lorenzo Rosso
BACKGROUND: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is commonly used for the pathological diagnosis in patients with mediastinal lymphadenopathy. Even though the accuracy of EBUS-TBNA is considered high, several authors have tried to outline characteristic ultrasound criteria for malignant mediastinal lymph-node identification to maximize this accuracy. Recently, a color-Doppler patterns classification has been proposed by Nakajima to target suspected mediastinal lymph-nodes...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28599801/relation-of-ideal-cardiovascular-health-metrics-to-asymptomatic-polyvascular-disease-in-a-chinese-population
#16
Qian Zhang, Ruixuan Jiang, Yizheng Wang, Shufeng Zhang, Shengyun Chen, Yaqing Zhang, Xiuhua Guo, Shouling Wu, Xingquan Zhao
Atherosclerosis is a systemic disease with manifestations in multiple vascular beds. Ideal cardiovascular health (CVH) metrics relate to cardiovascular and cerebrovascular disease. However, the relation between ideal CVH metrics and asymptomatic polyvascular disease (polyVD) is unknown. We collected information on the 7 CVH metrics among 5,224 participants aged ≥40 years from 2010 to 2011. Intracranial artery stenosis, extracranial artery stenosis, and lower extremity artery disease were detected by transcranial Doppler, duplex sonography, and by calculating ankle-brachial index...
August 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28599688/usefulness-of-hemodynamically-distribution-of-intranodal-vessels-in-differentiating-metastatic-neck-lymph-nodes-value-of-color-doppler-and-spectral-wave-sonogram
#17
Uzma Mumtaz, Ahmed Farhan, Muhammad Amjad Chaudhry, Madiha Mumtaz
OBJECTIVE: To evaluate the diagnostic assessment of enlarged lymph nodes, based on its perfusion pattern by taking tissue diagnosis as gold standard. STUDY DESIGN: Analytical study. PLACE AND DURATION OF STUDY: Departments of Radiology and Pathology, PIMS Hospital, Islamabad, from February to May 2016. METHODOLOGY: Color sonography of patients with clinically, palpable cervical lymph nodes were carried by senior trainee under the supervision of senior radiologist...
May 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28593638/thrombotic-and-nonthrombotic-types-of-intratesticular-varicoceles-value-of-sonography-for-the-diagnosis
#18
Emre Ünal
An intratesticular varicocele is an uncommon entity, and its clinical importance remains unclear. The diagnosis can be made in the case of an intratesticular tortuous vein that shows retrograde flow on color Doppler sonography. The anatomic location and course of the intratesticular varicocele within the testicular parenchyma and its association with the existence of an ipsilateral extratesticular varicocele may vary among patients. The pathophysiologic mechanisms remain unclear; however, it may be questioned whether there is an association between testicular atrophy and intratesticular varicocele development...
June 8, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28579623/reference-curve-for-the-mean-uterine-artery-pulsatility-index-in-singleton-pregnancies
#19
Alexander Weichert, Andreas Hagen, Michael Tchirikov, Ilka B Fuchs, Wolfgang Henrich, Michael Entezami
INTRODUCTION: Doppler sonography of the uterine artery (UA) is done to monitor pregnancies, because the detected flow patterns are useful to draw inferences about possible disorders of trophoblast invasion. Increased resistance in the UA is associated with an increased risk of preeclampsia and/or intrauterine growth restriction (IUGR) and perinatal mortality. In the absence of standardized figures, the normal ranges of the various available reference curves sometimes differ quite substantially from one another...
May 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28573489/ultrasonic-evaluation-of-renal-cortex-arterial-area-enables-differentiation-between-hypertensive-and-glomerulonephritis-related-chronic-kidney-disease
#20
Arkadiusz Lubas, Grzegorz Kade, Robert Ryczek, Piotr Banasiak, Przemysław Dyrla, Katarzyna Szamotulska, Daniel Schneditz, Stanisław Niemczyk
PURPOSE: Identifying the primary etiology of cardio-renal syndrome in a timely manner remains an ongoing challenge in nephrology. We hypothesized that hypertensive kidney damage can be distinguished from chronic glomerulonephritis at an early stage of chronic kidney disease (CKD) using ultrasound (US) Doppler sonography. METHODS: Fifty-six males (age 54 ± 15, BMI 28.3 ± 3.5 kg/m(2)) with hypertension and stable CKD at stages 2-4 [38 with essential hypertension (HT-CKD); 18 with glomerulonephritis (GN-CKD)] were studied...
June 1, 2017: International Urology and Nephrology
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