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https://www.readbyqxmd.com/read/29675634/investigation-of-circle-of-willis-variants-and-hemodynamic-parameters-in-twins-using-transcranial-color-coded-doppler-sonography
#1
Bianka Forgó, Ádám Domonkos Tárnoki, Dávid László Tárnoki, Levente Littvay, Corrado Fagnani, Maria Antonietta Stazi, Giorgio Meneghetti, Emanuela Medda, Filippo Farina, Claudio Baracchini
Morphological and hemodynamic variations of the circle of Willis (CW) may have an important impact on cerebrovascular events. However, the environmental and genetic influence remains unclear. For this reason we studied the variations and hemodynamic parameters of the CW in twins using transcranial color-coded sonography (TCCS). Sixty-four twins, 19 monozygotic (MZ) and 13 dizygotic (DZ) pairs from the Italian Twin Registry (average age 45.0 ± 13.7 years) underwent TCCS and risk factor assessment. We examined CW morphology and recorded peak systolic velocity (PSV), end-diastolic velocity (EDV) and pulsatility index (PI)...
April 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29675497/a-case-report-of-ggeneralized-uterine-arteriovenous-malformation-after-molar-pregnancy-in-an-infertile-woman
#2
Firoozeh Ahmadi, Somayeh Moukhah
Background: Uterine arteriovenous malformation (UAVM) is a rare vascular condition in reproductive age presented mostly with bleeding. Although this malformation is infrequent, it is potentially life-threatening. Transvaginal Doppler ultrasonography is a widely available, noninvasive and excellent diagnostic method. Case: The case is a 30-yr-old woman with a history of eight-yr infertility.following intrauterine insemination treatment, she had a molar pregnancy...
February 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29669590/sex-differences-in-umbilical-artery-doppler-indices-a-longitudinal-study
#3
Christian Widnes, Kari Flo, Tom Wilsgaard, Torvid Kiserud, Ganesh Acharya
BACKGROUND: Sexual dimorphism in placental size and function has been described. Whether this influences the clinically important umbilical artery (UA) waveform remains controversial, although a few cross-sectional studies have shown sex differences in UA pulsatility index (PI). Therefore, we tested whether fetal sex influences the UA Doppler indices during the entire second half of pregnancy and aimed to establish sex-specific reference ranges for UA Doppler indices if needed. METHODS: Our main objective was to investigate gestational age-associated changes in UA Doppler indices during the second half of pregnancy and compare the values between male and female fetuses...
April 18, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29668508/ultrasound-and-plastic-surgery-clinical-applications-of-the-newest-technology
#4
John P Miller, Martin J Carney, Soobin Lim, John T Lindsey
BACKGROUND: Color Doppler ultrasound (CDUS) has not been routinely used in plastic and reconstructive surgery. Barriers to use have included large, cumbersome equipment, low-definition images, cost, and availability. In addition, programs in plastic surgery have not included training with ultrasound (US); thus, many current-day practitioners are unfamiliar with and reluctant to use this technology. Nevertheless, recent studies have demonstrated the utility of US in surgical planning. With the miniaturization, clearer imaging, and decreased costs of the latest US technology, previous barriers to use have largely been eliminated...
April 17, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29667882/new-doppler-imaging-technique-for-assessing-angiogenesis-in-breast-tumors-correlation-with-immunohistochemically-analyzed-microvessels-density
#5
Sewha Kim, Hye Jin Lee, Kyung Hee Ko, Ah Young Park, Jieun Koh, Hae Kyoung Jung
Background Microvessel density (MVD) is associated with grade and prognosis in breast tumors. However, conventional color Doppler flow (CDF) imaging has been limited to represent MVD of breast tumors. Purpose To evaluate whether a new Doppler imaging technique (AngioPLUS) can represent MVD of breast tumors. Material and Methods The institutional review board approved this retrospective study, and patients' informed consent was waived. CDF and AngioPLUS were available in pathologically confirmed 55 breast tumors of 53 women...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29667250/a-new-2d-echocardiographic-approach-to-evaluate-the-membrane-and-valve-movement-of-the-berlin-heart-excor-vad-chamber-in-pediatric-vad-patients
#6
Arianna Di Molfetta, Roberta Iacobelli, Gianfranco Ferrari, Sergio Filippelli, Gianluigi Perri, Alessandra Toscano, Rachele Adorisio, Paolo Guccione, Antonio Amodeo
The use of Berlin Heart EXCOR VAD (BH) is a validated therapy to bridge pediatric patients to heart transplant. Serial echocardiographic (ECHO) assessment of VAD patients is necessary to support patients' management. This work aims at developing an innovative strategy to evaluate the BH device functioning by ECHO and its interaction with the native heart in a pediatric population. ECHO evaluation of BH membrane movement, and inflow and outflow valves was performed in 2D, 2D-color Doppler, M-mode, and M-mode color Doppler to assess the functioning of the device by direct positioning of the ECHO probe on the BH cannulas and membranes...
April 2018: Artificial Organs
https://www.readbyqxmd.com/read/29663853/collateral-pial-circulation-relates-to-the-degree-of-brain-edema-on-ct-24-hours-after-ischemic-stroke
#7
Orlando Galego, Joana Jesus-Ribeiro, Mariana Baptista, João Sargento-Freitas, Ana Inês Martins, Fernando Silva, Gustavo Cordeiro Santos, Luís Cunha, César Nunes, Egídio Machado
Background Cerebral edema is frequent in patients with acute ischemic stroke (AIS) who undergo reperfusion therapy and is associated with high mortality. The impact of collateral pial circulation (CPC) status on the development of edema has not yet been determined. Methods We studied consecutive patients with AIS and documented M1-middle cerebral artery (MCA) and/or distal internal carotid artery (ICA) occlusion who underwent reperfusion treatment. Edema was graded on the 24-hour non-contrast computed tomography (NCCT) scan...
January 1, 2018: Neuroradiology Journal
https://www.readbyqxmd.com/read/29657836/resistive-index-of-ophthalmic-artery-correlates-with-retinal-pigment-epithelial-alterations-on-spectral-domain-optical-coherence-tomography-in-diabetic-retinopathy
#8
Manila Khatri, Sandeep Saxena, Apjit Kaur, Shashi K Bhasker, Manoj Kumar, Carsten H Meyer
Background: Retinal pigment epithelium (RPE) plays a significant role in maintenance of integrity of retinal photoreceptors and choriocapillaries. RPE derives its blood supply through ophthalmic artery (OA) via choriocapillaries. RPE topographic alterations have been observed to be associated with severity of retinopathy. The present study was undertaken to assess the correlation between resistive index (RI) of the OA with RPE topographic alterations on Spectral-Domain optical coherence tomography (SD-OCT), to our knowledge, it is for the first time...
2018: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29650457/-non-palpable-testicular-tumors-in-adults-a-management-based-on-imaging-issue-from-the-french-urologic-association-genital-cancer-committee-s-edit
#9
L Rocher, L Feretti, P Camparo, P H Savoie, N Morel-Journel, T Murez, P Sebe, A Flechon, A Méjean, X Durand
BACKGROUND: Help in management of non-palpable testicular tumors. French Urologic Association Genital cancer committee's Edit. OBJECTIVES: To review their characterization at imaging findings of non-palpable testicular tumors. DOCUMENTARY SOURCES: Literature review (PubMed, Medline) of urological and radiological studies dealing with testicular tumors using keywords: non-palpable/incidental testicular tumors; color Doppler ultrasound; US elastography; magnetic resonance imaging; contrast enhanced sonography; partial surgery...
April 9, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29629022/impact-of-a-geometric-correction-for-proximal-flow-constraint-on-the-assessment-of-mitral-regurgitation-severity-using-the-proximal-flow-convergence-method
#10
Jeong Yoon Jang, Joon-Won Kang, Dong Hyun Yang, Sahmin Lee, Byung Joo Sun, Dae-Hee Kim, Jong-Min Song, Duk-Hyun Kang, Jae-Kwan Song
Background: Overestimation of the severity of mitral regurgitation (MR) by the proximal isovelocity surface area (PISA) method has been reported. We sought to test whether angle correction (AC) of the constrained flow field is helpful to eliminate overestimation in patients with eccentric MR. Methods: In a total of 33 patients with MR due to prolapse or flail mitral valve, both echocardiography and cardiac magnetic resonance image (CMR) were performed to calculate regurgitant volume (RV)...
March 2018: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/29628455/vascular-network-inside-the-heart-collateral-flow-on-color-doppler-echo-in-a-child-with-anomalous-left-coronary-artery-from-the-pulmonary-artery-alcapa
#11
Lisheng Lin, Takashi Murakami, Junko Shiono, Hitoshi Horigome
No abstract text is available yet for this article.
April 6, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29622985/the-value-of-three-dimensional-color-doppler-trans-esophageal-echocardiography-in-predicting-the-number-of-mitraclip-devices-needed-during-the-procedure
#12
Hani M Mahmoud, Ali M Al-Ameen, Mohamed H Hassan, Tarek Badr, Hesham Nieem, Ahmed A Shaheen, Abdullah E Ghabashi
Purpose: During MitraClip procedure, one or more clips might be needed to effectively reduce the mitral regurgitation (MR). Three-dimensional vena-contracta (3D-VC) assessed by color Doppler three-dimensional trans-esophageal echocardiography (3D-TEE) was proven to be well correlated with MR severity. However, its role in predicting the number of MitraClip devices needed during the procedure was not fully determined. Aim of this study is to assess the predictive value of 3D-VC area & length in determining the number of clips needed during the procedure...
December 2017: The Egyptian heart journal: (EHJ): official bulletin of the Egyptian Society of Cardiology
https://www.readbyqxmd.com/read/29621824/true-or-false-umbilical-cord-knot-differentiation-via-3d-4d-color-doppler-ultrasound
#13
Eberhard Merz, Sonila Pashaj
No abstract text is available yet for this article.
April 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29620658/scrotal-paragonimiasis-in-adults-two-case-reports-and-review-of-literature
#14
Tiancai Liang, Guobiao Liang, Yang Du, Xin Wang, Yuanliang Wang, Anjian Chen, Zongping Chen, Jiang Du, Hao Li, Lang Yu
RATIONALE: Paragonimiasis is a parasitic disease caused by Paragonimus in the lungs; it can be divided into intrapulmonary type and extrapulmonary type. Adult patients with scrotal paragnonimus are rarely seen clinically and not widely reported in the literature. Here, we report 2 cases of scrotal paragonimiasis in adults and their treatment process. PATIENT CONCERNS: Two young males sought medical advice because of scrotal masses. Both patients had the previous history of eating uncooked river crabs and presented with palpable quasicircular nodules of about 1...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29615292/dynamic-myocardial-response-to-exercise-in-childhood-cancer-survivors-treated-with-anthracyclines
#15
Barbara Cifra, Ching Kit Chen, Chun-Po S Fan, Cameron Slorach, Cedric Manlhiot, Brian W McCrindle, Andreea Dragulescu, Andrew N Redington, Mark K Friedberg, Paul C Nathan, Luc Mertens
BACKGROUND: Anthracycline cardiotoxicity can cause significant long-term morbidity in childhood cancer survivors (CCS), but many CCS do not manifest clinical symptoms until adulthood. The aims of this study were to characterize the dynamic myocardial response to exercise of CCS at long-term follow-up by combining semisupine bicycle exercise stress echocardiography with myocardial imaging techniques and to establish whether semisupine bicycle exercise stress echocardiography could identify CCS with abnormal exercise response...
March 31, 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29611369/the-role-of-neutrophil-to-lymphocyte-ratio-in-men-with-erectile-dysfunction-preliminary-findings-of-a-real-life-cross-sectional-study
#16
E Ventimiglia, W Cazzaniga, F Pederzoli, N Frego, F Chierigo, P Capogrosso, L Boeri, F Dehò, C Abbate, D Moretti, L Piemonti, F Montorsi, A Salonia
The aim of this study was to investigate the role of systemic inflammation by means of the neutrophil-to-lymphocyte ratio (NLR) in men with erectile dysfunction (ED). Complete demographic, clinical, and laboratory data from 279 consecutive men with newly diagnosed ED were analyzed. Health-significant comorbidities were scored with the Charlson Comorbidity Index (CCI). A complete blood count was requested for every man, and the NLR was calculated for every individual. Patients were invited to complete the IIEF questionnaire...
April 2, 2018: Andrology
https://www.readbyqxmd.com/read/29610447/very-late-migration-of-balloon-expandable-transcatheter-aortic-valve
#17
Ankur Kalra, Eleonora Avenatti, Ponraj Chinnadurai, Michael J Reardon, Neal S Kleiman, Stephen H Little, Colin M Barker
Color-flow Doppler transesophageal echocardiography during valve-in-valve TAVR illustrates the placement of a 23 mm Edwards Sapien 3 valve carefully positioned within a displaced 23 mm Edwards Sapien XT valve.
April 2018: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29609180/angiocoupling-between-the-dominant-follicle-and-corpus-luteum-during-waves-1-and-2-in-bos-taurus-heifers
#18
R R Domingues, O J Ginther
The local two-way effect of the future and established dominant follicle (DF) and corpus luteum (CL) on color-Doppler signals of blood flow on each other (angiocoupling) was studied from ovulation to 16 days after ovulation during wave 1 and for the first time in wave 2 in Bos taurus heifers (N = 24). Identity of follicles greater than 4 mm was maintained from day to day. Blood-flow signals in the follicle wall and in the CL were estimated after scanning the entire structure. Ovarian patterns were defined based on the presence of a DF and CL: DF-CL pattern (DF and CL in the same ovary), DF pattern or CL pattern (DF and CL in opposite ovaries), and devoid pattern (neither DF nor CL)...
March 21, 2018: Theriogenology
https://www.readbyqxmd.com/read/29605575/effects-of-benign-prostatic-hyperplasia-and-finasteride-therapy-on-prostatic-blood-flow-in-dogs
#19
D S R Angrimani, G R Silvestrini, M M Brito, R A Abreu, L L Almeida, C I Vannucchi
Benign prostatic hyperplasia (BPH) is characterized by an enlargement of the prostate accompanied by an increase in prostatic blood perfusion and vascularization. The most indicated treatment is to perform orchiectomy, however, medical treatment with finasteride can be an option for breeding dogs or elderly animals with a critical health status. In dogs, the influence of medical treatment on prostatic hemodynamics is still unknown. Therefore, this study aimed to evaluate the effects of benign prostatic hyperplasia and finasteride therapy on hemodynamic and vascular features of the canine prostate...
March 27, 2018: Theriogenology
https://www.readbyqxmd.com/read/29603311/delayed-allergic-reactions-to-jellyfish-stings-usefulness-of-ultrasonographic-evaluation
#20
Priscila Giavedoni, Verónica Velasco, Daniel Morgado-Carrasco, Santiago Nogué, Jose Manuel Mascaró Galy
Jellyfish stings often cause immediate local skin reactions, and, less frequently, the affected individuals may develop delayed allergic reactions days or months after the sting. Here, we present 4 such cases. In all cases, color Doppler ultrasonography was performed at the time of diagnosis, and in 3 of the cases, clinical follow-ups with ultrasonographic evaluations were performed. Ultrasonography initially showed dermal thickening with decreased echogenicity that progressively normalized during follow-up...
March 30, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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