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Abdominal doppler ultrasound

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https://www.readbyqxmd.com/read/27874184/antenatal-ultrasound-features-in-fetuses-with-gastroschisis-and-its-prediction-in-neonatal-outcome
#1
Jessica A Robertson, Roy M Kimble, Kellie Stockton, Renuka Sekar
BACKGROUND: Gastroschisis is the most common major congenital anomaly managed by paediatric surgeons. The significance of certain associated antenatal ultrasound features in determining fetal outcome is under discussion. AIM: The study aims to define if associated antenatal ultrasound features of gastroschisis are useful prognostic markers for fetal outcome. By establishing the significance of features, including extra- and intra-abdominal bowel dilatation, stomach herniation, stomach dilatation, bowel matting, growth restriction, abnormal umbilical artery (UA) Doppler ultrasounds, and abnormal amniotic fluid volume, it is hoped clinicians will have enhanced ability to counsel parents about the likely outcomes for their infant...
November 22, 2016: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27867849/laparoscopic-transposition-of-lower-pole-crossing-vessels-vascular-hitch-in-children-with-pelviureteric-junction-obstruction
#2
Ciro Esposito, Cosimo Bleve, Maria Escolino, Paolo Caione, Simona Gerocarni Nappo, Alessandra Farina, Maria Grazia Caprio, Mariapina Cerulo, Angela La Manna, Salvatore Fabio Chiarenza
BACKGROUND: Congenital hydronephrosis due to intrinsic or extrinsic uretero-pelvic-junction (UPJ) obstruction (UPJO) is a common problem in childhood UPJO may be caused by intrinsic disorganization or by extrinsic compression from crossing vessels (CV); extrinsic causes usually present symptomatically in older children. This report the large Italian experience in the treatment of children with extrinsic-UPJO by CV. METHODS: We analyzed the data of 51 children (17 girls and 34 boys, median age 10, 7 years) affected by extrinsic-UPJO were treated in three Italian institutions with laparoscopic transposition of CV (Hellström Vascular Hitch modified by Chapman)...
October 2016: Translational pediatrics
https://www.readbyqxmd.com/read/27822782/advantages-of-abdominal-ultrasound-in-the-management-of-infants-with-necrotizing-enterocolitis
#3
M M Aliev, A A Dekhqonboev, R Z Yuldashev
: The purpose of this study was to assess the prognostic value of abdominal color Doppler ultrasound (US) in determining predictors of early complications of NEC. METHODS: Fifty-one consecutive infants with stage Ia to IIIa NEC were prospectively included in the study between 2013 and July 2016. At least one abdominal US examination was performed in each patient. RESULTS: According to abdominal color Doppler US, neonates with NEC Ia stage in most cases (80%) found increased bowel wall perfusion...
November 7, 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27750486/the-comparison-between-the-serum-level-of-interleukin-6-in-women-with-acute-ovarian-torsion-and-other-causes-of-lower-abdominal-pain
#4
Maryam Zangene, Atefeh Ashoori Barmchi, Mansour Rezaei, Firoozeh Veisi
The aim of this study was to investigate the role of serum Interleukin-6 (IL-6) as a predictive value to make decision for surgical interventions when ovarian torsion (OT) is suspected. This study was performed on 284 women with lower abdominal pain. IL-6 levels were compared between OT (n = 67, 23.6%) and control groups (n = 217, 76.4%). For the purpose of diagnosis of OT, sensitivity and specificity of IL-6 at the cut-off point of 9.6 pg/ml were 41.79 and 82.49%, respectively. Patients with ovarian masses on ultrasound and IL-6 >9...
October 18, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27689152/positive-predictive-value-of-abdominal-sonography-in-the-diagnosis-of-ischemic-colitis
#5
E López, T Ripolles, M J Martinez, P Bartumeus, J Blay, A López
AIM: The aim was to prospectively evaluate the positive predictive value of ultrasound in the diagnosis of ischemic colitis, with colonoscopy as the reference standard. METHODS: During a 2-year period we included consecutive patients over 50 years of age with sudden abdominal pain and/or rectal bleeding who underwent abdominal sonography in an emergency setting with a thickened segment of colon with a length of more than 10 cm. This clinical-sonographic triad was considered diagnostic for ischemic colitis...
November 2015: Ultrasound International Open
https://www.readbyqxmd.com/read/27669962/diagnostic-vascular-ultrasonography-with-the-help-of-color-doppler-and-contrast-enhanced-ultrasonography
#6
REVIEW
Johannes Rübenthaler, Maximilian Reiser, Dirk-André Clevert
The use of ultrasonography and especially of contrast-enhanced ultrasonography (CEUS) in the diagnosis of vascular pathologies before and after interventions has significantly increased over the past years due to the broader availability of modern ultrasound systems with CEUS capabilities and more trained user experience in this imaging modality. For the preinterventional and postinterventional work-up of carotid diseases, duplex ultrasound as well as CEUS have been established as the standard-of-care examination procedures for diagnosis, evaluation, and follow-up...
October 2016: Ultrasonography
https://www.readbyqxmd.com/read/27617440/two-cases-of-true-uterine-artery-aneurysms-diagnosed-during-pregnancy
#7
Jacob Mørup Schlütter, Gry Johansen, Rikke Bek Helmig, Olav Bjørn Petersen
We report 2 cases of true uterine artery aneurysms diagnosed during pregnancy. Both cases presented with nonspecific symptoms such as urethral obstruction, minimal vaginal bleeding and lower abdominal pain in the 2nd trimester. Both aneurysms were diagnosed by color Doppler ultrasound. In the first case labor was induced at 37 + 4 weeks of gestation. However, due to sudden fetal distress and maternal abdominal pain, an emergency Caesarean section was performed during labor, and 3 liters of intra-peritoneal blood were encountered upon laparotomy, secondary to a ruptured uterine artery aneurysm...
September 13, 2016: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/27610750/enhancing-the-role-of-paediatric-ultrasound-with-microbubbles-a-review-of-intravenous-applications
#8
Vasileios Rafailidis, Annamaria Deganello, Tom Watson, Paul S Sidhu, Maria E Sellars
Contrast-enhanced Ultrasound (CEUS) represents a complementary technique to grey-scale and colour Doppler ultrasonography (US) which allows for real-time visualization and characterization of tissue perfusion. Its inherent advantages in the child makes US an ideal imaging modality; repeatability and good tolerance along with the avoidance of computed tomography (CT), a source of ionizing radiation, renders US imaging desirable. Although currently paediatric CEUS is principally used in an "off-label" manner, US contrast agents have received regulatory approval for assessment of paediatric focal liver lesions in the United States of America...
September 9, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27597909/bleeding-versus-clotting-a-complex-case-of-a-large-fibroid-uterus-causing-menorrhagia-and-a-dvt
#9
Sangeeta Ramanan, Jude Chapman-Wardy, Roy Watson
A 43-year-old woman presented with severe anaemia secondary to menorrhagia. Pelvic ultrasound showed a large intramural posterior fundal fibroid. Hysteroscopy showed the fibroid distorting the endometrial cavity, precluding Mirena® device insertion. As she was initially hesitant to have a hysterectomy, medical management with the oral contraceptive pill (OCP) and tranexamic acid was instituted, with good effect. Months later, after a long road trip, she presented with left leg swelling, and a Doppler ultrasound confirmed an extensive deep vein thrombosis (DVT)...
2016: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27594965/intestinal-malrotation-and-midgut-volvulus
#10
Hidayatullah Hamidi, Yalda Obaidy, Sahar Maroof
A four-day-old boy presented with persistent bilious vomiting, bloody stained stool, and mild abdominal distension. Transabdominal ultrasound demonstrated a round soft-tissue mass-like structure in the right upper quadrant. With color Doppler ultrasound, the whirlpool sign was observed. Abdominal radiograph showed nonspecific findings. Upper gastrointestinal series revealed upper gastrointestinal tract obstruction at the level of distal duodenum. The diagnosis of intestinal malrotation with midgut volvulus was established and the treated surgically...
September 2016: Radiology case reports
https://www.readbyqxmd.com/read/27583079/-torsion-of-wandering-spleen-in-a-teenager-about-a-case
#11
Hamidou Dème, Léra Géraud Akpo, Seynabou Fall, Nfally Badji, Ibrahima Ka, Mohamadou Lamine Guèye, Mouhamed Hamine Touré, El Hadj Niang
Wandering or migrating spleen is a rare anomaly which is usually described in children. Complications, which include pedicle torsion, are common and can be life-threatening. We report the case of a 17 year-old patient with a long past medical history of epigastric pain suffering from wandering spleen with chronic torsion of the pedicle. The clinical picture was marked by spontaneously painful epigastric mass, evolved over the past 48 hours. Abdominal ultrasound objectified heterogeneous hypertrophied ectopic spleen in epigastric position and a subcapsular hematoma...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27574424/diagnosis-of-prostate-cancer-using-anti-psma-aptamer-a10-3-2-oriented-lipid-nanobubbles
#12
Xiaozhou Fan, Yanli Guo, Luofu Wang, Xingyu Xiong, Lianhua Zhu, Kejing Fang
In this study, the lipid targeted nanobubble carrying the A10-3.2 aptamer against prostate specific membrane antigen was fabricated, and its effect in the ultrasound imaging of prostate cancer was investigated. Materials including 2-dipalmitoyl-sn-glycero-3-phosphocholine, 1,2-dipalmitoyl-sn-glycero-3-phosphatidic acid, 1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine, 1,2-dipalmitoyl-sn-glycero-3-phosphoglycerol, carboxyl-modified 1,2-distearoyl-sn-glycero-3-phosphoethanolamine, and polyethyleneglycol-2000 were for mechanical oscillation, and nanobubbles were obtained through the centrifugal flotation method...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27552936/-management-of-blunt-renal-trauma-in-paediatric-patients
#13
L Brouwers, M Bemelman, W L M Kramer, F H W M van der Heijden
- In 90% of children, blunt abdominal trauma is the cause of renal, splenic or hepatic injury or an injury affecting a combination of these organs.- Because children's kidneys are anatomically less protected than those of adults, potential renal injury following direct trauma affecting the child's flank, for example by a handlebar or knee should be considered.- Symptoms of renal trauma include excoriations or haematoma on the flank, a 'seatbelt-sign', macroscopic haematuria and fractures of the ribs and vertebra...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27551336/abdominal-ultrasonography-of-the-pediatric-gastrointestinal-tract
#14
REVIEW
Heather I Gale, Michael S Gee, Sjirk J Westra, Katherine Nimkin
Ultrasound is an invaluable imaging modality in the evaluation of pediatric gastrointestinal pathology; it can provide real-time evaluation of the bowel without the need for sedation or intravenous contrast. Recent improvements in ultrasound technique can be utilized to improve detection of bowel pathology in children: Higher resolution probes, color Doppler, harmonic and panoramic imaging are excellent tools in this setting. Graded compression and cine clips provide dynamic information and oral and intravenous contrast agents aid in detection of bowel wall pathology...
July 28, 2016: World Journal of Radiology
https://www.readbyqxmd.com/read/27529029/overview-of-point-of-care-abdominal-ultrasound-in-emergency-and-critical-care
#15
REVIEW
Toru Kameda, Nobuyuki Taniguchi
Point-of-care abdominal ultrasound (US), which is performed by clinicians at bedside, is increasingly being used to evaluate clinical manifestations, to facilitate accurate diagnoses, and to assist procedures in emergency and critical care. Methods for the assessment of acute abdominal pain with point-of-care US must be developed according to accumulated evidence in each abdominal region. To detect hemoperitoneum, the methodology of a focused assessment with sonography for a trauma examination may also be an option in non-trauma patients...
2016: Journal of Intensive Care
https://www.readbyqxmd.com/read/27433274/contrast-enhanced-ultrasound-of-the-spleen
#16
REVIEW
Asha Omar, Simon Freeman
Abnormalities in the spleen are less common than in most other abdominal organs. However, they will be regularly encountered by ultrasound practitioners, who carefully evaluate the spleen in their abdominal ultrasound studies. Conventional grey scale and Doppler ultrasound are frequently unable to characterise focal splenic abnormalities; even when clinical and laboratory information is added to the ultrasound findings, it is often not possible to make a definite diagnosis. Contrast-enhanced ultrasound (CEUS) is easy to perform, inexpensive, safe and will usually provide valuable additional information about splenic abnormalities, allowing a definitive or short differential diagnosis to be made...
February 2016: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/27400664/thrombosis-of-pancreatic-arteriovenous-malformation-induced-by-diagnostic-angiography-case-report
#17
Jernej Vidmar, Mirko Omejc, Rok Dežman, Peter Popovič
BACKGROUND: We report on a case of pancreatic arteriovenous malformation (PAVM) that obliterated shortly after diagnostic angiography (DSA). PAVM is a rare anomaly that presents with upper abdominal pain, signs of acute pancreatitis and massive gastrointestinal bleeding. The management of PAVM is rather complex, with complete treatment usually accomplished only by a total extirpation of the affected organ or at least its involved portion. DSA prior to treatment decisions is helpful for characterizing symptomatic PAVM, since it can clearly depict the related vascular networks...
2016: BMC Gastroenterology
https://www.readbyqxmd.com/read/27391044/young-smoker-abcd-vascular-assessment-a-four-step-ultrasound-examination-for-detecting-peripheral-extra-and-intra-cranial-early-arterial-damage
#18
Chiara Mozzini, Alder Casadei, Giuseppe Roscia, Luciano Cominacini
BACKGROUND: Cigarette smoking is known as a major risk factor in the pathogenic mechanisms of stroke, coronary and peripheral artery disease (CAD and PAD), even in young subjects. The aim of this study is the creation of a four-step ultrasound examination to evaluate and monitor the peripheral, the extra and the intra-cranial assessment of the arterial early damage in smokers. The evaluations of A, the Ankle-brachial index, ABI, B, the Breath holding index, BHI, C, the Carotid intima media thickness, CIMT, and D, the Diameter of the abdominal aorta represent the "ABCD" assessment...
2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27379448/simplified-ultrasound-protocol-for-the-exclusion-of-clinically-significant-carotid-artery-stenosis
#19
Dominika Högberg, Demosthenes Dellagrammaticas, Björn Kragsterman, Martin Björck, Anders Wanhainen
OBJECTIVES: To evaluate a simplified ultrasound protocol for the exclusion of clinically significant carotid artery stenosis for screening purposes. MATERIAL AND METHODS: A total of 9,493 carotid arteries in 4,748 persons underwent carotid ultrasound examination. Most subjects were 65-year-old men attending screening for abdominal aortic aneurysm. The presence of a stenosis on B-mode and/or a mosaic pattern in post-stenotic areas on colour Doppler and maximum peak systolic velocity (PSV) in the internal carotid artery (ICA) were recorded...
August 2016: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/27376296/sequential-total-variation-denoising-for-the-extraction-of-fetal-ecg-from-single-channel-maternal-abdominal-ecg
#20
Kwang Jin Lee, Boreom Lee
Fetal heart rate (FHR) is an important determinant of fetal health. Cardiotocography (CTG) is widely used for measuring the FHR in the clinical field. However, fetal movement and blood flow through the maternal blood vessels can critically influence Doppler ultrasound signals. Moreover, CTG is not suitable for long-term monitoring. Therefore, researchers have been developing algorithms to estimate the FHR using electrocardiograms (ECGs) from the abdomen of pregnant women. However, separating the weak fetal ECG signal from the abdominal ECG signal is a challenging problem...
2016: Sensors
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