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Vascular Medicine

Zi Ye, Patricia A Pellikka, Iftikhar J Kullo
The cardio-ankle vascular index (CAVI) is a measure of global arterial stiffness. We hypothesized that CAVI is associated with left ventricular (LV) function and geometry in individuals without structural heart disease. We measured CAVI in 600 participants (mean age 60.3±14.6 years, 54% men) without history of atherosclerotic cardiovascular disease who were referred for transthoracic echocardiography. Linear regression analysis was used to assess the association of CAVI with LV function (peak mitral annular systolic s' and early diastolic velocity e') and structure (LV mass index (LVMI) and relative wall thickness (RWT))...
September 1, 2017: Vascular Medicine
Todd C Edwards, Danielle C Lavallee, Alexander W Clowes, Emily B Devine, David R Flum, Mark H Meissner, Ellen T Thomason, Skye P Barbic, Sara J Beck, Donald L Patrick
This article describes the development of the Claudication Symptom Instrument (CSI) and its measurement properties for evaluating the symptom experience of patients diagnosed with intermittent claudication (IC). We conducted semi-structured qualitative interviews with IC patients for item development and cognitive interviews in which patient comprehension of items was tested. We evaluated measurement properties using data collected and analyzed in the context of an observational comparative effectiveness study of IC treatments...
September 1, 2017: Vascular Medicine
Akhilesh K Sista, Oren A Friedman, Eda Dou, Brendan Denvir, Gulce Askin, Jamie Stern, Jaclyn Estes, Arash Salemi, Ronald S Winokur, James M Horowitz
Pulmonary Embolism Response Teams (PERTs) have emerged to provide rapid multidisciplinary assessment and treatment of PE patients. However, descriptive institutional experience and preliminary outcomes data from such teams are sparse. PERT activations were identified through a retrospective review. Only confirmed submassive or massive PEs were included in the data analysis. In addition to baseline variables, the therapeutic intervention, length of stay (LOS), in-hospital mortality, and bleeding rate/severity were recorded...
September 1, 2017: Vascular Medicine
Charles DeCarlo, Suvranu Ganguli, Jorge C Borges, Robert M Schainfeld, Ari J Mintz, Jessica Mintz, Michael R Jaff, Ido Weinberg
Spontaneous isolated celiac or superior mesenteric artery (SMA) dissection (SICMAD) is a rare clinical entity. Not much is known about the natural history and appropriate treatment. We retrospectively queried a prospectively collected institutional radiology database for all patients diagnosed with SICMAD from 1990 to 2017. We identified 42 arteries in 40 patients (83.3% male), mean age 54.8 ± 10.9 years, consisting of 24 celiac arteries and 18 SMA. SMA lesions were longer than celiac lesions (5.15 ± 3.81 vs 2...
September 1, 2017: Vascular Medicine
Jieun Kang, Heung-Kyu Ko, Ji Hoon Shin, Gi-Young Ko, Kyung-Wook Jo, Jin Won Huh, Yeon-Mok Oh, Sang-Do Lee, Jae Seung Lee
Retrievable inferior vena cava (IVC) filters are increasingly used in patients with venous thromboembolism (VTE) who have contraindications to anticoagulant therapy. However, previous studies have shown that many retrievable filters are left permanently in patients. This study aimed to identify the common indications for IVC filter insertion, the filter retrieval rate, and the predictive factors for filter retrieval attempts. To this end, a retrospective cohort study was performed at a tertiary care center in South Korea between January 2010 and May 2016...
September 1, 2017: Vascular Medicine
Javier A Valle, Ehrin J Armstrong
No abstract text is available yet for this article.
September 1, 2017: Vascular Medicine
Steven M Dean, Benjamin H Kaffenberger, Mark E Lustberg
No abstract text is available yet for this article.
September 1, 2017: Vascular Medicine
Sven Ross Mathisen, Michael Abdelnoor
In this single center, retrospective cohort study we wished to compare early and total mortality for all patients treated for abdominal aortic aneurysms (AAA) with open surgery who were taking statins compared to those who were not. A cohort of 640 patients with AAA was treated with open surgery between 1999 and 2012. Patients were consecutively recruited from a source population of 390,000; 21.3% were female, and the median age was 73 years. The median follow-up was 3.93 years, with an interquartile range of 1...
August 1, 2017: Vascular Medicine
Geoffrey D Barnes
No abstract text is available yet for this article.
August 1, 2017: Vascular Medicine
Reza Masoomi, Zubair Shah, Buddhadeb Dawn, Karthik Vamanan, Aravinda Nanjundappa, Kamal Gupta
A small percentage of patients with asymptomatic carotid artery stenosis (ACAS) who are on optimal medical management do go on to develop ischemic stroke or transient ischemic attacks (IS/TIA). Several diagnostic tools have been studied to identify those patients who are at increased risk. However, most of these diagnostic tools are not available for routine clinical use or are resource intensive. We performed a retrospective study to assess the incremental value of external carotid artery stenosis progression (ECASP) along with internal carotid artery stenosis progression (ICASP) in predicting risk of ipsilateral IS/TIA in a cohort of patients with ACAS...
August 1, 2017: Vascular Medicine
Kenji Yoshioka, Shunsuke Kuroda, Kentaro Takahashi, Tetsuo Sasano, Tetsushi Furukawa, Akihiko Matsumura
No abstract text is available yet for this article.
August 1, 2017: Vascular Medicine
Panjamaporn Sangwung, Guangjin Zhou, Yuan Lu, Xudong Liao, Benlian Wang, Stephanie M Mutchler, Megan Miller, Mark R Chance, Adam C Straub, Mukesh K Jain
Hemoglobin subunit alpha (HBA) expression in endothelial cells (ECs) has recently been shown to control vascular tone and function. We sought to elucidate the transcriptional regulation of HBA expression in the EC. Gain of KLF2 or KLF4 function studies led to significant induction of HBA in ECs. An opposite effect was observed in ECs isolated from animals with endothelial-specific ablation of Klf2, Klf4 or both. Promoter reporter assays demonstrated that KLF2/KLF4 transactivated the hemoglobin alpha promoter, an effect that was abrogated following mutation of all four putative KLF-binding sites...
August 1, 2017: Vascular Medicine
Russell D Hamilton, Cory E Shield, David Laughrun
We looked retrospectively at the 3- to 5-year progression of mild, asymptomatic carotid artery stenosis (CAS). A random sample of 600 patients who had undergone at least two carotid artery duplex ultrasounds between 31 October 2006 and 1 November 2016 with a second duplex ⩾3 and ⩽5 years following the initial one were screened for inclusion. Internal carotid arteries (ICAs) were included if they had 20-49% stenosis on the initial duplex, with 440 carotid arteries meeting this criteria. Analyses were performed utilizing chi-squared and two-tailed t-tests...
August 1, 2017: Vascular Medicine
Elizabeth V Ratchford, Seth S Martin
No abstract text is available yet for this article.
August 1, 2017: Vascular Medicine
Erica N Schorr, Ryan J Mays
No abstract text is available yet for this article.
August 1, 2017: Vascular Medicine
Sarah Joy Aitken, Fiona M Blyth, Vasi Naganathan
Although postoperative delirium is a common complication and increases patient care needs, little is known about the predictors and outcomes of delirium in patients having vascular surgery. This review aimed to determine the incidence, prognostic factors and impact of postoperative delirium in vascular surgical patients. MEDLINE and EMBASE were systematically searched for articles published between January 2000 and January 2016 on delirium after vascular surgery. The primary outcome was the incidence of delirium...
August 1, 2017: Vascular Medicine
Marco P Donadini, Francesco Dentali, Samuela Pegoraro, Fulvio Pomero, Chiara Brignone, Luigina Guasti, Luigi Steidl, Walter Ageno
Isolated distal deep vein thrombosis (IDDVT) is a common clinical manifestation of venous thromboembolism (VTE). However, there are only scant and heterogeneous data available on the long-term risk of recurrent VTE after IDDVT, and the optimal therapeutic management remains uncertain. We carried out a retrospective cohort study of consecutive patients diagnosed with symptomatic IDDVT between 2004 and 2011, according to a predefined short-term treatment protocol (low molecular weight heparin (LMWH) for 4-6 weeks)...
July 1, 2017: Vascular Medicine
Crystal Yin Tung Chan, Stephen Wing Keung Cheng
An abnormally high level of homocysteine (Hcy) has been consistently observed in the blood of abdominal aortic aneurysm (AAA) patients. However, the expression of Hcy in human AAA tissues has not been investigated. In this study, the expression of Hcy in aneurysmal tissues from AAA patients ( n=30) was compared with non-aneurysmal tissues from organ donors ( n=31) by dot blotting and immunohistochemistry. A significantly higher expression of Hcy was observed in AAA than control tissues ( p<0.001). Furthermore, the associations of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism, detected by polymerase chain reaction-restriction fragment length polymorphism, with both AAA and tissue Hcy expression were evaluated...
July 1, 2017: Vascular Medicine
Hisato Takagi, Tomo Ando, Takuya Umemoto
We performed a meta-analysis to determine whether weekend admission and surgery for ruptured abdominal/thoracic aortic aneurysm (RAAA/RTAA) and acute aortic dissection (AAD) is associated with increased mortality. MEDLINE and EMBASE were searched from January 1946 to December 2016 using PubMed and OVID. Eligible studies were prospective or retrospective, comparative or cohort studies enrolling patients admitting or undergoing surgery for RAAA/RTAA/AAD and reporting mortality after weekend (including holiday) versus weekday admission/surgery...
July 1, 2017: Vascular Medicine
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No abstract text is available yet for this article.
August 2017: Vascular Medicine
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