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Normal hepatic doppler ultrasound

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https://www.readbyqxmd.com/read/29018183/a-case-of-left-renal-vein-ligation-in-a-patient-with-solitary-left-kidney-undergoing-liver-transplantation-to-control-splenorenal-shunt-and-improve-portal-venous-flow
#1
Rodrigo B Martino, Eserval Rocha Júnior, Valdano Manuel, Vinicius Rocha-Santos, Luis Augusto C D'Albuquerque, Wellington Andraus
BACKGROUND Adequate portal venous flow is required for successful liver transplantation. Reduced venous flow and blood flow 'steal' by collateral vessels are a concern, and when there is a prominent splenorenal shunt present, ligation of the left renal vein has been recommended to improve portal venous blood flow. CASE REPORT A 51-year-old man who had undergone right nephrectomy in childhood required liver transplantation for liver cirrhosis and hepatocellular carcinoma due to hepatitis C virus (HCV) infection...
October 11, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28983163/angioleiomyoma-of-uterus-masquerading-as-malignant-ovarian-tumor
#2
Sweta Singh, Monalisha Naik, Narbadyswari Deep Bag, Susama Patra
Uterine angioleiomyoma is rare. A 40-year-old nulliparous woman presented with heavy menstrual bleeding (HMB) for the past 2 years and mass per abdomen with severe dysmenorrhea for three cycles. She had received 8 units of packed cell transfusion outside. Clinical examination revealed a huge 32-week-sized abdominopelvic mass with irregular margins. Ultrasonography (USG) of the abdomen and pelvis showed a large solid cystic mass on the right side of the abdomen with a well-defined hypoechoeic rounded lesion of size 5...
July 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28923654/case-report-of-extensive-isolated-spontaneous-celiac-trunk-dissection-after-liver-transplantation
#3
K Iwaki, S Yagi, T Iida, E Ogawa, Y Masano, T Tajima, S Okumura, G Yamamoto, N Kamo, K Taura, T Kaido, S Uemoto
Arterial dissection is a rare complication after liver transplantation (LT). We report a case of extensive isolated spontaneous celiac trunk dissection (ISCTD) up to the proper hepatic artery, left gastric artery, and splenic artery after living donor liver transplantation. A 48-year-old woman with cryptogenic liver cirrhosis underwent living donor liver transplantation. Intraoperative and postoperative Doppler ultrasound revealed sufficient flow in the hepatic artery, portal vein, and hepatic vein. On postoperative day (POD) 10, Doppler ultrasound showed reduction of hepatic arterial flow...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28815106/automated-prediction-of-hepatic-arterial-stenosis
#4
Justin J Baraboo, Deendayal Dinakarpandian, Sherwin S Chan
Several thousand life-saving liver transplants are performed each year. One of the most common causes of early transplant failure is arterial stenosis of the anastomotic junction. Early detection of transplant arterial stenosis can help prevent transplant failure and the need to re-transplant. Doppler ultrasound is the most common screening method, but it suffers from poor specificity. Positive screening cases proceed to angiography which is an invasive and expensive procedure. A more accurate test could decrease the number of normal patients who would have to undergo this invasive diagnostic procedure...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28663159/synchronous-solid-pseudopapillary-tumor-and-insulinoma-in-an-adolescent-men1-patient-presenting-with-diagnostic-dilemmas
#5
Ahmet Uçar, Banu Özgüven, Muharrem Battal, Felda Alpaslan, Evrim Özmen, Aylin Yetim, Yasin Yılmaz
Multiple endocrine neoplasia (MEN1) is a rare autosomal dominant disorder characterized by primary hyperparathyroidism, enteropancreatic neuroendocrine tumors, and anterior pituitary adenomas. A 16-year-old male presented to the emergency outpatient clinic with tonic convulsions. Physical examination in the postconvulsive period was unremarkable and revealed a muscular, postpubertal adolescent. Biochemical tests at admission were consistent with hyperinsulinemic hypoglycemia and remarkable for elevated levels of liver transaminases and creatine kinase...
June 30, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28657844/doppler-parameters-of-the-hepatic-artery-as-predictors-of-graft-status-in-pediatric-liver-transplantation
#6
Tahani Ahmad, Govind B Chavhan, Yaron Avitzur, Rahim Moineddin, Kamaldine Oudjhane
OBJECTIVE: The purpose of this article is to determine whether hepatic artery (HA) Doppler parameters can be used to predict pediatric liver graft status in the immediate postoperative (< 10 days) period and in the first year after transplant. MATERIALS AND METHODS: A retrospective review of the liver transplant database was performed to review operative, clinical, laboratory, histopathologic, and ultrasound findings at three time points after surgery: 3 days, 3 months, and 1 year...
September 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28298943/hepatic-vein-transit-time-of-second-generation-ultrasound-contrast-agent-new-tool-in-the-assessment-of-portal-hypertension
#7
Siciliani Luisa, Giovanna Vitale, Anna Rita Sorbo, Pompili Maurizio, Rapaccini Gian Lodovico
PURPOSE: It has been demonstrated that Doppler waveform of the hepatic vein (normally triphasic) is transformed into a biphasic or monophasic waveform in cirrhotic patients. The compressive mechanism of liver tissue has been considered up till now the cause of this change. Moreover, cirrhotics show, after USCA injection, a much earlier HVTT due to intrahepatic shunts. Our aim was to prospectively evaluate the correlation between Doppler pattern of hepatic vein and HVTT of a second-generation USCA; we also correlated HVTT with the most common indexes of portal hypertension...
March 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28298706/an-assessment-of-fetal-cerebral-and-hepatic-perfusion-in-normal-pregnancy-and-pre-eclampsia-using-three-dimensional-ultrasound
#8
Susan Addley, Amanda Ali, Stephen Ong
BACKGROUND: Pre-eclampsia and placental causes of intrauterine growth restriction (IUGR) are part of the same spectrum of disorders. In IUGR, there is preferential shunting of blood to the fetal brain at the expense of other organs. We wanted to demonstrate that this also occurs in pre-eclampsia using three dimensional (3D) ultrasound. The 3D indices of perfusion are: flow index (FI), vascular index (VI) and vascularisation flow index (VFI) which reflect tissue vascularity and flow intensity...
January 2017: Ulster Medical Journal
https://www.readbyqxmd.com/read/27932132/collateral-development-in-thrombosis-of-the-hepatic-artery-after-transplantation
#9
C M García Bernardo, B Argüelles García, P Redondo Buil, A Miyar de León, L González Dieguez, V Cadahía Rodrigo, I González-Pinto Arrillaga, L Vázquez Velasco
OBJECTIVES: The authors sought to identify strictures or hepatic artery obstruction with posterior collateral transformation in our series of liver transplantation, treatment, and evolution. The thrombosis or severe hepatic artery stenosis sometimes presents a compensation mechanism, the collateral transformation of the artery. MATERIAL AND METHODS: From April 2002 to December 2011 we collected 18 cases of collateral transformation. We analyzed data regarding the transplantation, diagnosis, treatment, clinical evolution, liver function, and Doppler-ultrasound...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27896406/evaluation-of-rex-shunt-on-cavernous-transformation-of-the-portal-vein-in-children
#10
Ruo-Yi Wang, Jun-Feng Wang, Xiao-Gang Sun, Qian Liu, Jia-Long Xu, Qi-Gang Lv, Wei-Xiu Chen, Jin-Liang Li
BACKGROUND: Children with cavernous transformation of the portal vein (CTPV) develop severe complications from prehepatic portal hypertension, such as recurrent variceal bleeding and thrombocytopenia. In this study, we reported the results of 30 children with symptomatic CTPV that were treated by a Rex shunt. The effectiveness of this surgical approach was evaluated. METHODS: A retrospective review was performed of 30 children aged between 3 and 18 years with CTPV, who underwent a Rex shunt between 2008 and 2015...
April 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/27625785/liver-transplantation-in-a-patient-with-complete-portal-vein-thrombosis-is-there-a-surgical-way-out-a-case-report
#11
Tommaso Maria Manzia, Laura Fazzolari, Matteo Manuelli, Marco Pellicciaro, Leonardo Baiocchi, Giuseppe Tisone
INTRODUCTION: Due to the complexity of the surgical procedure portal vein thrombosis (PVT) has long been considered an absolute contraindication to liver transplantation (LT). The presence of a large splenorenal shunt (SRS) could make portal anastomosis a valid option. PRESENTATION OF CASE: We report the case of a 37-year-old female patient with Grade III PVT and a large SRS, who underwent orthotopic LT. Liver was implanted using a 1992-Belghiti piggyback technique and portal anastomosis was performed using the large spleno-renal shunt...
November 2016: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/27563495/transjugular-intrahepatic-portosystemic-shunt-dysfunction-concordance-of-clinical-findings-doppler-ultrasound-examination-and-shunt-venography
#12
Joshua M Owen, Ron Charles Gaba
OBJECTIVES: The objective of this study was to evaluate the concordance between clinical symptoms, Doppler ultrasound (US), and shunt venography for the detection of stent-graft transjugular intrahepatic portosystemic shunt (TIPS) dysfunction. MATERIALS AND METHODS: Forty-one patients (M:F 30:11, median age 55 years) who underwent contemporaneous clinical exam, Doppler US, and TIPS venography between 2003 and 2014 were retrospectively studied. Clinical symptoms (recurrent ascites or variceal bleeding) were dichotomously classified as present/absent, and US and TIPS venograms were categorized in a binary fashion as normal/abnormal...
2016: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/27547868/use-of-systemic-vasodilators-for-the-management-of-doppler-ultrasound-arterial-abnormalities-after-orthotopic-liver-transplantation
#13
Kayvan Mohkam, Florian Fanget, Benjamin Darnis, Brahim Harbaoui, Agnès Rode, Bruno Charpiat, Christian Ducerf, Jean-Yves Mabrut
BACKGROUND: Doppler ultrasound (DUS) arterial abnormalities (DAA) after orthotopic liver transplantation (OLT) often represent a sign of hepatic artery (HA) complication (HAC). The standard management of DAA involves computed tomographic angiography (CTA) followed by invasive vascular intervention (IVI) or observation. We evaluated the contribution of systemic vasodilators (SVD) to the management of DAA after OLT. METHODS: Between 2005 and 2015, 91 of 514 OLT recipients developed DAA (defined by HA resistive index [HARI] <0...
December 2016: Transplantation
https://www.readbyqxmd.com/read/27468207/doppler-ultrasonography-in-living-donor-liver-transplantation-recipients-intra-and-post-operative-vascular-complications
#14
REVIEW
Omar Abdelaziz, Hussein Attia
Living-donor liver transplantation has provided a solution to the severe lack of cadaver grafts for the replacement of liver afflicted with end-stage cirrhosis, fulminant disease, or inborn errors of metabolism. Vascular complications remain the most serious complications and a common cause for graft failure after hepatic transplantation. Doppler ultrasound remains the primary radiological imaging modality for the diagnosis of such complications. This article presents a brief review of intra- and post-operative living donor liver transplantation anatomy and a synopsis of the role of ultrasonography and color Doppler in evaluating the graft vascular haemodynamics both during surgery and post-operatively in accurately defining the early vascular complications...
July 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27137481/effect-of-sevoflurane-anaesthesia-on-hepatic-blood-flow-in-infants-with-obstructive-hepatobiliary-disease
#15
Z-J Zhou, X Wang, Z Song, K-R Dong, S Zheng
BACKGROUND: Currently most studies on anaesthetic effects on hepatic blood flow of cirrhotic patients have been performed on adults or experimental animals. We performed this study to evaluate the effect of sevoflurane anaesthesia on hepatic blood flow in infants with obstructive jaundice by Doppler ultrasound. METHODS: Forty-four infants with biliary atresia (1-3 months of age) scheduled for a Kasai procedure were enrolled. Hepatic blood flow was calculated by Doppler ultrasound measurements before induction, and after inhalation of 2% and 3% sevoflurane...
September 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27133713/congenital-intrahepatic-portosystemic-shunt-diagnosed-during-intrauterine-life
#16
Camila Vieira Bellettini, Rafaela Wagner, Aleocídio Sette Balzanelo, André Luis de Souza Andretta, Arthur Nascimento de Moura, Catia Carolina Fabris, Eduardo Maranhão Gubert
OBJECTIVE: To report a patient with prenatal diagnosis of portosystemic shunt; a rare condition in humans. CASE DESCRIPTION: 17-day-old female infant admitted for investigation of suspected diagnosis of portosystemic shunt, presumed in obstetric ultrasound. The hypothesis was confirmed after abdominal angiography and liver Doppler. Other tests such as echocardiography and electroencephalogram were performed to investigate possible co-morbidities or associated complications, and were normal...
September 2016: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/27042553/hepatic-venous-waveform-splenoportal-and-damping-index-in-liver-cirrhosis-correlation-with-child-pugh-s-score-and-oesophageal-varices
#17
Neha Antil, Binit Sureka, Mahesh Kumar Mittal, Amita Malik, Bhupender Gupta, Brij Bhushan Thukral
INTRODUCTION: Clinical assessment of chronic liver disease is done by Modified Child Pugh's and Model for end-stage liver disease scoring system. Measurement of hepatic venous pressure gradient (HVPG) and Upper GI Endoscopy are considered the gold standards for measurement of portal hypertension in cirrhotics. There is a need for non-invasive evaluation of portal hypertension. Ultrasonography with colour and spectral Doppler evaluation may be an effective, rapid and inexpensive alternative...
February 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/26556108/the-critical-importance-of-hepatic-venous-blood-flow-doppler-assessment-for-patients-in-shock
#18
Jonathan Hulin, Pierre Aslanian, Georges Desjardins, Mustapha Belaïdi, André Denault
Hepatic venous blood flow can be easily obtained using bedside ultrasound with either transthoracic or transesophageal echocardiography. Six critically ill patients with shock associated with absent or significantly reduced hepatic venous blood flow in the presence of normal or increased pulmonary venous flow are presented. In all these patients, the etiology of shock was secondary to increased resistance to venous return from either an intraabdominal process or through extrinsic or intrinsic occlusion of the proximal inferior vena cava or right atrium...
March 1, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/26465196/hepatic-vein-and-portal-vein-doppler-ultrasound-of-maternal-liver-in-normal-pregnancy
#19
Mustafa Fatih Erkoc, Aylin Okur, Mustafa Kara, Emel Caglayan, Halil Ibrahim Serin, Sukru Mehmet Erturk, Fatma Gundogdu, Seyhan Karacavus
OBJECTIVE: The purpose of our study was to evaluate the changes occurring in maximum flow velocity and waveform patterns of the portal and hepatic veins during pregnancy in second and third trimesters. METHODS: A total of 204 patients were randomly divided into the study and control groups. The control group was classified as group I; the study group was divided into two groups: group II, second trimester pregnancy (14-26 weeks, n = 91) and group III, third trimester pregnancy (26-40 weeks, n = 63)...
September 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/26438090/-ultrasound-elastography
#20
REVIEW
R S Goertz
Noninvasive, ultrasound-based methods for visualizing and measuring tissue elasticity are becoming more and more common in routine practice. Using hepatic shear wave elastography, cut-off levels can help to detect the degree of relevant fibrosis (F ≥ 2) with a diagnostic accuracy using the area under the reader operating characteristic (AUROC) of 87 % and cirrhosis (F = 4, AUROC 93 %). Normal values virtually exclude liver cirrhosis (negative predictive value up to 97 %) and high shear wave velocities predict complications in the course of primary sclerosing cholangitis, liver cirrhosis and chronic hepatitis B or C...
November 2015: Der Radiologe
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