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Abdominal aortic aneurysms

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https://www.readbyqxmd.com/read/29044481/meta-analysis-of-the-association-between-peripheral-artery-disease-and-growth-of-abdominal-aortic-aneurysms
#1
REVIEW
E O Matthews, S E Rowbotham, J V Moxon, R E Jones, M Vega de Ceniga, J Golledge
BACKGROUND: The role of atherosclerosis in the pathogenesis of abdominal aortic aneurysm (AAA) is controversial. Atherosclerosis-associated peripheral artery disease (PAD) has been reported to be a risk factor for AAA in population screening studies; its relationship with AAA growth is controversial. METHODS: A systematic search of MEDLINE, Scopus, CINAHL and the Cochrane Central Register of Controlled Trials was conducted in April 2016 and repeated in January 2017...
October 17, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/29034833/drug-therapy-for-abdominal-aortic-aneurysms-utilizing-omega-3-unsaturated-fatty-acids-and-their-derivatives
#2
Daisuke Akagi, Katsuyuki Hoshina, Toshiaki Watanabe, Micheal S Conte
Abdominal aortic aneurysms (AAA) are life-threatening because of the potential for rupture, resulting in death. The current standard treatment for AAA is surgery, comprising laparotomic graft replacement and endovascular repair. However, because surgery carries the risk of major complications and re-intervention, medical therapies are desirable because they may reduce the occurrence of enlargement and rupture. Recent research shows that the progression of AAA is related to inflammatory reactions, especially those in the NF-kB pathway...
October 13, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/29034780/mortality-in-endovascular-and-open-abdominal-aneurysm-repair-trends-in-germany
#3
Olga von Beckerath, Sebastian Schrader, Marcus Katoh, Bernd Luther, Frans Santosa, Knut Kröger
BACKGROUND: We analysed trends in mortality of endovascular (EVAR) and open aortic repair (OAR) in patients hospitalized for abdominal aortic aneurysms (AAA) in Germany from 2005 to 2015. PATIENTS AND METHODS: We used national statistics published by the Federal Statistical Office in Germany to calculate mortality rate of patients hospitalized with ruptured (rAAA, n = 2,448 in 2005, n = 2,180 in 2015) and non-ruptured (iAAA, n = 11,626 in 2005, n = 14,205 in 2015) AAA...
October 16, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29034046/in-situ-reconstruction-with-extended-debridement-in-patients-with-mycotic-abdominal-aortic-aneurysms
#4
Youkou Nemoto, Yutaka Hosoi, Katsuyuki Hoshina, Masao Nunokawa, Hiroshi Kubota, Toshiaki Watanabe
The surgical outcomes in patients with mycotic aortic aneurysm are still poor. In situ reconstruction and extra-anatomical bypass are the 2 main surgical options used in these patients, both of which have postoperative complications: recurrence of infection and aortic stump blowout, respectively. We performed in situ reconstruction in 25 consecutive patients with mycotic abdominal aortic aneurysms together with extended debridement using an irrigation device, omental flap coverage, rifampicin-soaked prosthetic graft, and sufficient antibiotics administration...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034042/description-of-the-surgical-strategy-used-for-the-treatment-of-a-complex-disease-report-of-a-case
#5
Kazuki Kihara, Miwa Tashiro, Kohei Miyashita, Masaki Yamamoto, Hironobu Hirose, Takashi Fukutomi, Hideaki Nishimori, Kazumasa Orihashi
We report a rare case in which a patient required three surgeries with competing priorities. In a 68-year-old man diagnosed with an abdominal aortic aneurysm (AAA), computed tomography (CT) revealed an infrarenal AAA, unusual thickening of the sigmoid colon that suggested cancer, and a filling defect in the left atrium. We considered the disease stage, which affects prognosis, and the risk of complications that could interfere with the treatment of the other pathologies and developed a three-stage surgical strategy: (i) endovascular aortic repair, (ii) sigmoid colectomy, and (iii) resection of the left atrial mass...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034037/characteristics-of-abdominal-aortic-aneurysm-in-japanese-patients-aged-50-years-or-younger
#6
Mitsunori Nakano, Naoyuki Kimura, Harunobu Matsumoto, Tomoyasu Hirano, Koichi Adachi, Koichi Yuri, Atsushi Yamaguchi, Hideo Adachi
Objective: We investigated the characteristics and surgical outcomes of abdominal aortic aneurysm (AAA), which typically occurs in elderly persons, in Japanese patients aged 50 years or younger. Materials and Methods: Clinical records of 999 patients who underwent open or endovascular repair for AAA at our hospital between 2007 and 2015 were reviewed to identify the clinical characteristics and surgical outcomes of young patients with AAA. The cohort included 14 patients aged 50 years or younger (mean, 40.4 years; young group) and 985 patients aged older than 50 years (mean, 72...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034025/replacement-of-the-thoracoabdominal-aorta-after-endovascular-abdominal-aneurysm-repair-for-ruptured-infected-aneurysm-a-case-report
#7
Nobuo Kondo, Kentaro Tamura, Taichi Sakaguchi, Genta Chikazawa, Hidenori Yoshitaka
A 73-year-old man underwent emergency endovascular abdominal aneurysm repair (EVAR) for a ruptured infected abdominal aortic aneurysm. Two years after EVAR, he was admitted with a spiking fever and left lower back pain. Computed tomography scan revealed not only recurrent graft infection with psoas abscess but also infection around the orifice of the superior mesenteric artery. Because conservative medical therapy with antibiotics could not control the infection, we performed complete removal of the infected stent graft, debridement of psoas abscess, and in situ replacement of the thoracoabdominal aorta using rifampicin-soaked prosthetic grafts, followed by the omental flap...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034019/hybrid-repair-of-an-abdominal-aortic-aneurysm-debranching-with-endovascular-aneurysm-repair-in-a-patient-with-horseshoe-kidney
#8
Keiwa Kin, Hiroshi Takano, Takaya Nakagawa, Yukitoshi Shirakawa
Abdominal aortic aneurysm (AAA) with associated horseshoe kidney (HSK) poses a technical challenge when performing conventional open surgical repair because of possible complications including renal infarction, neuralgia, and collecting system disruption. Endovascular aortic repair (EVAR) is considered the first-line treatment for this pathology, allowing for aneurysm repair without isthmus bisection. However, whether to sacrifice commonly presenting aberrant renal arteries during EVAR is a point of controversy...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034017/surgical-management-of-mycotic-aortic-aneurysms
#9
Chikashi Aoki, Wakako Fukuda, Norihiro Kondo, Masahito Minakawa, Satoshi Taniguchi, Kazuyuki Daitoku, Ikuo Fukuda
Purpose: A mycotic aneurysm is an uncommon disease associated with a high mortality rate when managed surgically. This study reviewed our experiences in the surgical management of mycotic aortic aneurysms. Methods: In total, 26 patients who underwent surgery for a mycotic aneurysm were retrospectively reviewed. The mycotic aneurysms involved the thoracic aorta in 9 patients, the thoracoabdominal aorta in 4 patients, and the abdominal aorta in 13 patients. An overt aortic rupture in the mediastinum or retroperitoneal space was detected in 4 patients...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034016/improved-outcomes-for-ruptured-abdominal-aortic-aneurysms-using-integrated-management-involving-endovascular-clamping-endovascular-replacement-and-open-abdominal-decompression
#10
Chikashi Aoki, Norihiro Kondo, Yoshiaki Saito, Satoshi Taniguchi, Wakako Fukuda, Kazuyuki Daitoku, Ikuo Fukuda
Objective: Endovascular repair has become the treatment of choice for ruptured abdominal aortic aneurysms (RAAAs). To improve surgical outcomes, preoperative management is important. In 2011, we introduced integrated management, which involves endovascular aneurysm repair, stabilization of hemodynamics by endovascular clamping, and open abdominal decompression to address abdominal compartment syndrome (ACS). Methods: To evaluate the efficacy of this management strategy, 62 patients who had undergone emergency surgery for an RAAA were analyzed retrospectively: group A (n=39), where an old strategy was used, and group B (n=23), where integrated management was introduced...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29033336/open-abdomen-therapy-with-vacuum-and-mesh-mediated-fascial-traction-after-aortic-repair-an-international-multicentre-study
#11
Stefan Acosta, Arne Seternes, Maarit Venermo, Leena Vikatmaa, Karl Sörelius, Anders Wanhainen, Mats Svensson, Khatereh Djavani, Martin Björck
OBJECTIVES: Open abdomen therapy may be necessary to prevent or treat abdominal compartment syndrome (ACS). The aim of the study was to analyse the primary delayed fascial closure (PDFC) rate and complications after open abdomen therapy with vacuum and mesh mediated fascial traction (VACM) after aortic repair and to compare outcomes between those treated with open abdomen after primary versus secondary operation. METHODS: This was a retrospective cohort, multicentre study in Sweden, Finland, and Norway, including consecutive patients treated with open abdomen and VACM after aortic repair at six vascular centres in 2006-2015...
October 12, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29032423/the-pathogenesis-shared-between-abdominal-aortic-aneurysms-and-intracranial-aneurysms-a-microarray-analysis
#12
Wen Wang, Hao Li, Zheng Zhao, Haoyuan Wang, Dong Zhang, Yan Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
Abdominal aortic aneurysms (AAAs) and intracranial saccular aneurysms (IAs) are the most common types of aneurysms. This study was to investigate the common pathogenesis shared between these two kinds of aneurysms. We collected 12 IAs samples and 12 control arteries from the Beijing Tiantan Hospital and performed microarray analysis. In addition, we utilized the microarray datasets of IAs and AAAs from the Gene Expression Omnibus (GEO), in combination with our microarray results, to generate messenger RNA expression profiles for both AAAs and IAs in our study...
October 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29029952/survival-disparity-following-abdominal-aortic-aneurysm-repair-highlights-inequality-in-ethnic-and-socio-economic-status
#13
Manar Khashram, Suzanne Pitama, Jonathan A Williman, Gregory T Jones, Justin A Roake
OBJECTIVES: Socio-economic status (SES) and ethnicity have been reported as markers influencing the likelihood of increased mortality. The aim of this study was to investigate how SES and ethnicity impacted patient survival after abdominal aortic aneurysm (AAA) repair. METHODS: Consecutive patients undergoing open and endovascular AAA repair during a 14.5 year period were identified. Ethnicity was defined as recorded on health records and SES (a score of 10, where 1 is least deprived and 10 being most deprived) and was linked to census data...
October 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29029880/open-versus-endovascular-repair-of-ruptured-abdominal-aortic-aneurysms-what-have-we-learned-after-more-than-2%C3%A2-decades-of-ruptured-endovascular-aneurysm-repair
#14
William P Robinson
BACKGROUND: Ruptured abdominal aortic aneurysm is one of the most difficult clinical problems in surgical practice, with extraordinarily high morbidity and mortality. During the past 23 years, the literature has become replete with reports regarding ruptured endovascular aneurysm repair. METHODS: A variety of study designs and databases have been utilized to compare ruptured endovascular aneurysm repair and open surgical repair for ruptured abdominal aortic aneurysm and studies of various designs from different databases have yielded vastly different conclusions...
October 10, 2017: Surgery
https://www.readbyqxmd.com/read/29026969/extended-serum-lipid-profile-predicting-long-term-survival-in-patients-treated-for-abdominal-aortic-aneurysms
#15
Niina Khan, Leo-Pekka Lyytikäinen, Jahangir Khan, Ilkka Seppälä, Antti Lehtomäki, Tommi Kuorilehto, Velipekka Suominen, Terho Lehtimäki, Niku Oksala
BACKGROUND: Individuals treated for abdominal aortic aneurysms (AAAs) are high-risk patients in whom better risk prediction could improve survival. Contemporary serum lipid parameters, such as apolipoproteins and lipoprotein subfractions, may improve or complement the prognostic value of traditional serum lipids. The aim of this study was to ascertain the extended serum lipid profiles, long-term prognosis and their association in AAA patients. METHODS: Altogether 498 patients treated for AAAs and with available serum lipid values were retrospectively analysed...
October 12, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29022854/single-center-mid-term-experience-with-chimney-graft-technique-for-the-preservation-of-flow-to-the-supra-aortic-branches
#16
Robert Shahverdyan, Spyridon Mylonas, Michael Gawenda, Jan Brunkwall
Objectives To investigate the feasibility and the mid-term outcomes of the chimney-graft technique for the revascularization of supra-aortic branches in patients with thoracic aortic pathologies involving the aortic arch. Methods A retrospective analysis of a prospectively maintained database between January 2010 and July 2016 was performed. Primary endpoints were 30-day and overall mortality. Secondary endpoints were technical success, target vessel patency, stroke/transitory ischemic attack and type I/III endoleak rate...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28993547/development-of-novel-therapies-for-cardiovascular-diseases-by-clinical-application-of-basic-research
#17
Kimio Satoh
Cyclophilin A (CyPA) is secreted from vascular smooth muscle cells, inflammatory cells, activated platelets, and cardiac fibroblasts in response to oxidative stress. Excessive and continuous activation of the RhoA/Rho-kinase system promotes the secretion of CyPA, resulting in the development of multiple cardiovascular diseases. Basigin (Bsg), a transmembrane glycoprotein that activates matrix metalloproteinases, is an extracellular receptor for CyPA that promotes cell proliferation and inflammation. Thus, the CyPA/Bsg system is potentially a novel therapeutic target for cardiovascular diseases...
October 6, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28990651/randomized-feasibility-trial-of-high-intensity-interval-training-before-elective-abdominal-aortic-aneurysm-repair
#18
G A Tew, A M Batterham, K Colling, J Gray, K Kerr, E Kothmann, S Nawaz, M Weston, D Yates, G Danjoux
BACKGROUND: This study assessed the feasibility of a preoperative high-intensity interval training (HIT) programme in patients awaiting elective abdominal aortic aneurysm repair. METHODS: In this feasibility trial, participants were allocated by minimization to preoperative HIT or usual care. Patients in the HIT group were offered three exercise sessions per week for 4 weeks, and weekly maintenance sessions if surgery was delayed. Feasibility and acceptability outcomes were: rates of screening, eligibility, recruitment, retention, outcome completion, adverse events and adherence to exercise...
October 9, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28988609/metformin-and-abdominal-aortic-aneurysm
#19
EDITORIAL
Robert J Hinchliffe
No abstract text is available yet for this article.
October 5, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28987694/on-the-effect-of-computed-tomography-resolution-to-distinguish-between-abdominal-aortic-aneurysm-wall-tissue-and-calcification-a-proof-of-concept
#20
H E Barrett, E M Cunnane, J M O Brien, M A Moloney, E G Kavanagh, M T Walsh
PURPOSE: The purpose of this study is to determine the optimal target CT spatial resolution for accurately imaging abdominal aortic aneurysm (AAA) wall characteristics, distinguishing between tissue and calcification components, for an accurate assessment of rupture risk. MATERIALS AND METHODS: Ruptured and non-ruptured AAA-wall samples were acquired from eight patients undergoing open surgical aneurysm repair upon institutional review board approval and informed consent was obtained from all patients...
October 2017: European Journal of Radiology
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