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A recent report from the University of Colorado discusses the use of fusion imaging technology for the guidance of pulmonary arteriovenous malformation (AVM) embolization. A total of nine cases were reviewed, all of which involved patients with hereditary hemorrhagic telangiectasia. The study found that fusion imaging was feasible and had the potential to reduce contrast and radiation doses. The research also noted that this study reported the lowest radiation and contrast doses per patient using fusion imaging technology to date. [Extracted from the article]

A report from Mayo Clinic in Rochester, Minnesota discusses the clinical and radiological features of parasagittal dural arteriovenous fistulas (dAVFs). These are uncommon abnormalities that involve abnormal connections between arteries and veins in the brain. The report presents a case series of eight patients with parasagittal dAVFs, detailing their clinical presentation, treatment strategies, and outcomes. The study found that symptoms related to these abnormalities resolved after their obliteration through endovascular therapy or surgical ligation. This research provides valuable insights into the management of parasagittal dAVFs. [Extracted from the article]

A recent study conducted by researchers at the State University of New York (SUNY) Buffalo has examined the effectiveness of transvenous embolization (TVE) in treating noncavernous dural arteriovenous fistulas (dAVFs). The study analyzed 15 retrospective articles encompassing 166 patients from seven countries. The findings showed that TVE had a high rate of complete obliteration (over 90%) and improved symptoms in 95% of patients. However, the researchers emphasized the need for large prospective multicenter studies to further evaluate the utility of TVE for noncavernous dAVFs. [Extracted from the article]

A recent study conducted at the University of Cincinnati investigated the prevalence and predictors of hereditary hemorrhagic telangiectasia (HHT) and capillary-malformation arteriovenous malformation (CM-AVM) syndrome in children with no prior personal or family history of these diseases. The study found that having frequent episodes of nosebleeds and multiple sites with visible blood vessels (telangiectasias) were associated with HHT, while having multiple CM (capillary malformations) was associated with CM-AVM. The presence of pulmonary arteriovenous malformations (AVMs) was also associated with an increased likelihood of having HHT. The researchers recommend that children with neurovascular shunt lesions be offered genetic testing and further evaluation for HHT and CM-AVM in order to improve long-term outcomes and prevent complications. [Extracted from the article]

A recent study conducted by researchers at Wake Forest University School of Medicine in Winston-Salem, North Carolina, explores the decision-making process for selecting the appropriate hemodialysis vascular access for patients with advanced kidney disease. The study focuses on comparing the outcomes of arteriovenous fistulas (AVFs) and arteriovenous grafts (AVGs) in older adults with comorbidities who are on hemodialysis with a central venous catheter. The research highlights the need for comparative effectiveness clinical trials to better understand the trade-offs between AVF and AVG-related outcomes. The study was supported by the NIH National Institute on Aging (NIA) and has been peer-reviewed. [Extracted from the article]

A study conducted by researchers at Western University in London, Canada, explores the cardiac implications of upper-arm arteriovenous fistulas (AVF) in patients with end-stage kidney disease. The study found that AVFs, which are commonly used for hemodialysis vascular access, can alter cardiac morphology and circulatory hemodynamics. The researchers conducted a case series of eight patients and found that all patients experienced an increase in left ventricular mass, with variability in the effects on ejection fraction and left atrial volume. The study suggests that further research is needed to determine appropriate vascular access management for patients with kidney disease. [Extracted from the article]

A recent study conducted by researchers at Western University in London, Canada, has examined the hemodynamic and anatomical factors in the clinical presentation of arteriovenous malformations (AVMs). The study analyzed 45 case studies of AVMs, both ruptured and unruptured, of various sizes and locations. The researchers found that feeder artery pressure was influenced by systemic pressure, AVM size, and the distance of the microcatheter tip from the Circle of Willis. The study also identified the presence or absence of venous outflow stenosis and the position of the AVM nidus as important anatomical predictors of AVM presentation. The researchers concluded that the correlation between these variables makes it challenging to study the risk of hemorrhage as a single factor. [Extracted from the article]

A recent study conducted in Veracruz, Mexico examined the influence of vein and artery sizes on the maturation and patency of arteriovenous fistulas (AVFs) in a Mexican population. The study found that AVFs created with smaller vein and artery diameters had a lower rate of maturation and patency compared to AVFs with larger diameters. The research suggests that vein diameter should be at least 2.15 mm and artery diameter should be at least 2.95 mm for optimal AVF function. This study provides valuable insights into improving the success of AVF procedures in the Mexican population. [Extracted from the article]

Keywords for this news article include: Hempstead, New York, United States, North and Central America, Arteriovenous Fistula, Arteriovenous Malformations, Cardiovascular Abnormalities, Cardiovascular Diseases and Conditions, Congenital Abnormalities, Health and Medicine, Vascular Diseases and Conditions, Vascular Fistula, Vascular Malformations, Zucker School of Medicine at Hofstra Northwell. Keywords: Hempstead; State:New York; United States; North and Central America; Arteriovenous Fistula; Arteriovenous Malformations; Cardiovascular Abnormalities; Cardiovascular Diseases and Conditions; Congenital Abnormalities; Health and Medicine; Vascular Diseases and Conditions; Vascular Fistula; Vascular Malformations EN Hempstead State:New York United States North and Central America Arteriovenous Fistula Arteriovenous Malformations Cardiovascular Abnormalities Cardiovascular Diseases and Conditions Congenital Abnormalities Health and Medicine Vascular Diseases and Conditions Vascular Fistula Vascular Malformations 2023 FEB 6 (NewsRx) -- By a News Reporter-Staff News Editor at Cardiovascular Week -- Investigators discuss new findings in Cardiovascular Diseases and Conditions - Arteriovenous Fistula. [Extracted from the article]

For more information on this research see: Resection of Frontal Arteriovenous Malformation, Residual Pericallosal Arteriovenous Fistula, and Micro-arteriovenous Malformation In a Child With Hereditary Hemorrhagic Telangiectasia: 2-dimensional Operative Video. Keywords: Phoenix; State:Arizona; United States; North and Central America; Arteriovenous Fistula; Arteriovenous Malformation; Arteriovenous Malformations; Cardiovascular Abnormalities; Cardiovascular Diseases and Conditions; Congenital Abnormalities; Dermatology; Health and Medicine; Hematology; Hereditary Hemorrhagic Telangiectasia; Telangiectasia; Vascular Diseases and Conditions; Vascular Fistula; Vascular Malformations EN Phoenix State:Arizona United States North and Central America Arteriovenous Fistula Arteriovenous Malformation Arteriovenous Malformations Cardiovascular Abnormalities Cardiovascular Diseases and Conditions Congenital Abnormalities Dermatology Health and Medicine Hematology Hereditary Hemorrhagic Telangiectasia Telangiectasia Vascular Diseases and Conditions Vascular Fistula Vascular Malformations 2023 JAN 30 (NewsRx) -- By a News Reporter-Staff News Editor at Hematology Week -- New research on Cardiovascular Diseases and Conditions - Hereditary Hemorrhagic TelangiectAsia is the subject of a report. [Extracted from the article]