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abdominal aortic dissection

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https://www.readbyqxmd.com/read/28344762/protracted-refractory-pain-post-tevar-post-implantation-syndrome
#1
Peter Waweru, Hardeep Gill, Chris Abeid
Aortic dissection is a life-threatening condition and has one of the highest mortality rates of cardiovascular diseases. It remains a devastating disease; with multiple unanswered questions concerning treatment modalities. The role of thoracic endovascular aortic repair (TEVAR) in these patients; especially those with uncomplicated acute aortic Type B dissections (AAD-B) is especially controversial although it has been shown to have better long-term outcomes compared to medical therapy alone. For those who have TEVAR, up to 60% may develop an acute, transient systemic inflammatory response syndrome that remains vaguely defined...
October 2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28322037/analysis-of-klk1-polymorphism-rs5516-in-patients-with-abdominal-aortic-aneurysm-or-thoracic-aortic-dissection
#2
Yiming Zhang, Hongliang Huang, Yuliang Ma, Yifeng Sun, Guohua Wang, Liming Tang
No abstract text is available yet for this article.
March 20, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28319480/right-axillary-artery-cannulation-for-endovascular-repair-of-an-acute-type-a-aortic-dissection
#3
Corbin E Muetterties, Jeremy H Conklin, G William Moser, Grayson H Wheatley
We present the case of a 48-year-old woman with an acute type A aortic dissection that was treated with thoracic endovascular aortic repair at our institution. The patient was found to have a focal type A dissection with pericardial effusion but no tamponade physiology and no involvement of the aortic valve or root. We elected to treat the patient's type A aortic dissection with an endovascular stent because of the patient's favorable anatomy and no evidence of neurologic deficits or signs of distal malperfusion...
March 17, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28302917/hif1%C3%AE-in-aortic-aneurysms-and-beyond
#4
Tomoki Hashimoto, Victor Rizzo
Abdominal aortic aneurysm (AAA) is a permanent expansion of the vessel wall with a high prevalence in those 65 years of age and older. Aneurysms are prone to dissection and rupture that carry a mortality rate of over 85%. Currently, surgical repair is the only option to treat this disease. The need to intervene prior to these events has set off a flurry of basic studies in an effort to understand the cellular and molecular mechanisms that govern AAA formation, progression and rupture. In the present study, the role of myeloid cells in contributing to AAA development has been confirmed...
April 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28286334/mechanical-strain-induced-expression-of-matrix-metalloproteinase-9-via-stretch-activated-channels-in-rat-abdominal-aortic-dissection
#5
ZhiHuang Qiu, LiangWan Chen, Hua Cao, Qiang Chen, Hua Peng
BACKGROUND The aim of the study was to investigate the expression of matrix metalloproteinase-9 (MMP-9) in rat abdominal aortic dissection (AD) induced by mechanical strain, so as to offer a better understanding of the possible mechanisms of AD. MATERIAL AND METHODS Experimental AD in rats was achieved by the injection of porcine pancreatic elastase. At days 0, 1, 3, 5, 7, 14, 21, and 30 after the establishment of AD model, serum MMP-9 levels were measured by enzyme-linked immunosorbent assay (ELISA). Four groups of vascular rings were stretched in vitro with a mechanical strength of 0 g, 1 g, 3 g, or 5 g for 30 min...
March 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28283881/a-case-of-double-inferior-vena-cava-with-renal-ovarian-and-iliac-vein-variation
#6
Taro Ito, Yayoi Ikeda
We encountered a rare case of an anatomic variant of inferior vena cava (IVC) duplication with renal, ovarian and iliac vein variation in an 81-year-old Japanese female cadaver during a student dissection course of anatomy at Aichi Gakuin University School of Dentistry. The two IVCs ran upwards bilaterally to the abdominal aorta. The left IVC joined with the left renal vein (RV) to form a common trunk that crossed anterior to the aorta and ended at the right IVC. We detected a vein [interiliac vein (IiV)] connecting the two IVCs at the level of the aortic bifurcation...
March 10, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28279721/the-petticoat-technique-for-complicated-acute-stanford-type-b-aortic-dissection-using-as-distal-uncovered-stent-a-tapered-self-expanding-nitinol-device
#7
Michele Antonello, Francesco Squizzato, Chiara Colacchio, Jacopo Taglialavoro, Franco Grego, Michele Piazza
PURPOSE: Provisional ExTension To Induce COmplete Attachment (PETTICOAT) technique has shown good results in the treatment of acute type B aortic dissections (ABAD). Usually uncovered tubular stainless steel stents are used to promote distal true lumen reattachment. We describe the Petticoat technique using a conic self-expanding nitinol device as distal uncovered stent. CASE REPORT: Five cases of complicated ABAD were treated using a single-flared E-XL (Jotec-GmbH) as distal uncovered stent...
March 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28275590/protocol-for-evaluating-the-cardio-ankle-vascular-index-to-predict-cardiovascular-events-in-japan-a-prospective-multicenter-cohort-study
#8
REVIEW
Toru Miyoshi, Hiroshi Ito, Shigeo Horinaka, Kohji Shirai, Jitsuo Higaki, Hajime Orimio
INTRODUCTION: The cardio-ankle vascular index (CAVI) was developed in Japan and is a blood pressure-independent index of arterial stiffness from the origin of the aorta to the ankle. In recent years, it has been studied by many researchers worldwide, and it is strongly anticipated that it will play a role as a predictive factor for arteriosclerotic diseases. The objective of this study was to examine the benefits of using CAVI as a predictor of cardiovascular events in high-risk patients...
January 2017: Pulse (Basel, Switzerland)
https://www.readbyqxmd.com/read/28262748/diagnostic-implication-of-fibrin-degradation-products-and-d-dimer-in-aortic-dissection
#9
Jian Dong, Xianli Duan, Rui Feng, Zhiqing Zhao, Xiang Feng, Qingsheng Lu, Qing Jing, Jian Zhou, Junmin Bao, Zaiping Jing
Fibrin degradation products (FDP) and D-dimer have been considered to be involved in many vascular diseases. In this study we aimed to explore the diagnostic implication of FDP and D-dimer in aortic dissection patients. 202 aortic dissection patients were collected as the case group, 150 patients with other cardiovascular diseases, including myocardial infarction (MI, n = 45), pulmonary infarction (n = 51) and abdominal aortic aneurysm (n = 54) were collected as non-dissection group, and 27 healthy people were in the blank control group...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28259576/female-sex-independently-predicts-mortality-after-thoracic-endovascular-aortic-repair-for-intact-descending-thoracic-aortic-aneurysms
#10
Sarah E Deery, Katie E Shean, Grace J Wang, James H Black, Gilbert R Upchurch, Kristina A Giles, Virendra I Patel, Marc L Schermerhorn
OBJECTIVE: Whereas sex differences in the pathogenesis, presentation, and outcomes of repair for abdominal aortic aneurysms are well studied, less is known about sex differences after thoracic endovascular aortic repair (TEVAR). The goal of this study was to evaluate the association between sex and morbidity and mortality after TEVAR. METHODS: A retrospective review of all TEVARs in the Society for Vascular Surgery Vascular Quality Initiative (VQI) registry from 2011 to 2015 was conducted, excluding those with dissection, trauma, and rupture...
March 1, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28238929/comparison-between-open-and-endovascular-repair-for-the-treatment-of-juxtarenal-abdominal-aortic-aneurysms-a-single-center-experience-with-midterm-results
#11
Koji Maeda, Takao Ohki, Yuji Kanaoka, Takeshi Baba, Kenjirou Kaneko, Kota Shukuzawa
PURPOSE: To evaluate the optimal treatment for juxtarenal abdominal aortic aneurysm (JAAA) we compared outcomes of open surgical repair (OSR) with endovascular aortic repair (EVAR) utilizing a variety of fenestrated and snorkel EVARs. METHODS: We evaluated overall survival, aneurysm-related death, re-intervention and renal impairment in 152 JAAAs retrospectively, excluding cases of aortic dissection and rupture. Cox models were used to assess survival and assessed postoperative dialysis rates following surgery...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28237617/safe-dissection-of-high-paraaortic-lymph-nodes-superior-to-the-renal-vein-in-ovarian-primary-peritoneal-or-fallopian-tube-cancer-by-the-komiyama-s-maneuver-a-modification-of-kocher-s-maneuver
#12
Shinichi Komiyama, Megumi Manrai, Rena Takahashi, Chiaki Takeya
OBJECTIVE: High paraaortic lymph nodes superior to the renal vein are often involved by metastasis from advanced ovarian cancer, but are difficult to dissect. We developed a novel surgical technique for removing these nodes. METHODS: The ascending colon is displaced from the right paracolic gutter. A retroperitoneal incision is made cranially from the ileocecal region along Monk's white line (fusion fascia) dorsal to the ascending colon. Incising the fusion fascia toward the root of the right renal vein from inside Gerota's fascia allows separation of the right kidney and mobilization of the ascending colon, partly exposing the inferior vena cava...
February 22, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28230898/manifestations-and-medicolegal-significance-of-loeys-dietz-syndrome
#13
Roger W Byard
Loeys-Dietz syndrome is a recently described autosomal dominant disorder with underlying vasculopathy characterized by aortic and other vascular aneurysmal dissection/rupture. A 61-year-old man is reported who died suddenly and unexpectedly and at autopsy was found to have a ruptured abdominal aortic aneurysm. Additional findings included dolichostenomelia, high-arched palate, and pectus excavatum. There was a strong family history of Loeys-Dietz syndrome, although the decedent had never been tested. Death was, therefore, due to a ruptured abdominal aortic aneurysm in a case of probable Loeys-Dietz syndrome...
February 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28224561/radical-resection-of-a-primary-unresectable-duodenal-cancer-after-chemotherapy-using-s-1-and-cisplatin-report-of-a-case
#14
Masaru Kanehira, Yasuro Futagawa, Kenei Furukawa, Hiroaki Shiba, Tadashi Uwagawa, Katsuhiko Yanaga
BACKGROUND: Therapeutic outcomes and prognosis of primary unresectable duodenal cancer remains unsatisfactory, because effective chemotherapy is not established. CASE PRESENTATION: A 71-year-old male diagnosed with unresectable duodenal carcinoma with distant lymph node metastases was judged inoperable (cT3N2M1 cStage in UICC(7th)). Duodenal obstruction developed due to tumor growth, and the patient underwent laparoscopic gastro-jejunostomy and then combined chemotherapy using S-1 and cisplatin...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28215930/ultrasound-guided-resuscitative-endovascular-balloon-occlusion-of-the-aorta-in-the-resuscitation-area
#15
Takayuki Ogura, Alan Kawarai Lefor, Mitsunobu Nakamura, Kenji Fujizuka, Kousuke Shiroto, Minoru Nakano
BACKGROUND: In trauma resuscitation with resuscitative endovascular balloon occlusion of the aorta (REBOA), urgent and accurate placement of the catheter in the resuscitation area without fluoroscopy can shorten the time from admission to REBOA, allowing rapid, temporary control of bleeding. DISCUSSION: The experience-based protocol in our center for ultrasound-guided REBOA in the resuscitation area without fluoroscopy is as follows: the femoral artery is punctured and a guidewire inserted; sonography is used to verify that the guidewire is in the abdominal aorta; the position of the balloon is confirmed with ultrasound after estimating the distance to the clavicle, and the pressure in the radial artery and sheath is used to monitor correct positioning; connect the pressure transducer to the catheter sheath for continuous monitoring of the blood pressure in the sheath, and inflate the balloon until the blood pressure tracing at the sheath has disappeared; check the pulse in the left radial artery, and withdraw the catheter slightly if the pulse in the radial artery is not palpable or is decreased (if this pulse is not palpable or decreased, the balloon is in the aortic arch)...
February 17, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209770/are-patients-with-loeys-dietz-syndrome-misdiagnosed-with-beals-syndrome
#16
Rebecca Woolnough, Andrew Dhawan, Kimberly Dow, Jagdeep S Walia
Beals syndrome, also known as congenital contractural arachnodactyly (Online Mendelian Inheritance in Man: 121050), is an autosomal dominant disorder caused by a mutation in FBN2 that is typically characterized by congenital contractures and arachnodactyly. It shares a number of phenotypic features with Loeys-Dietz syndrome (Online Mendelian Inheritance in Man: 609192). Loeys-Dietz syndrome, initially described in 2005, is associated with mutations for the transforming growth factor β receptor and is characterized by findings of cerebral, thoracic, and abdominal arterial aneurysms...
February 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28190713/transient-atrial-fibrillation-after-open-abdominal-aortic-revascularization-surgery-is-associated-with-increased-length-of-stay-mortality-and-readmission-rates
#17
Barbara A Blanco, Anai N Kothari, Pegge M Halandras, Robert H Blackwell, Dawn M Graunke, Paul C Kuo, Jae S Cho
BACKGROUND: It is well established that transient postoperative atrial fibrillation (TPAF) is associated with adverse postoperative outcomes after major cardiac and noncardiac operations. The purpose of this study was to elucidate the incidence, impact, and risk factors associated with the development of TPAF in patients undergoing revascularization surgery for occlusive diseases of the abdominal aorta and its branches (AAB). METHODS: By use of the Healthcare Cost and Utilization Project State Inpatient Database from Florida and California, patients who underwent open revascularization of AAB between 2006 and 2011 were identified...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28186882/multi-modality-imaging-enables-detailed-hemodynamic-simulations-in-dissecting-aneurysms-in-mice
#18
Evan Phillips, Paolo Di Achille, Matthew Bersi, Jay Humphrey, Craig Goergen
A multi-modality imaging based modeling approach was used to study complex unsteady hemodynamics and lesion growth in a dissecting abdominal aortic aneurysm model. We combined in vivo ultrasound (geometry and flow) and in vitro optical coherence tomography (geometry) to obtain the high resolution needed to construct detailed hemodynamic simulations over large portions of the murine vasculature, which include fine geometric complexities. We illustrate this approach for a spectrum of dissecting abdominal aortic aneurysms induced in male apolipoprotein E-null mice by high-dose angiotensin II infusion...
February 6, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28185953/a-novel-smad3-mutation-caused-multiple-aneurysms-in-a-patient-without-osteoarthritis-symptoms
#19
Audrey Courtois, Wouter Coppieters, Vincent Bours, Jean-Olivier Defraigne, Alain Colige, Natzi Sakalihasan
Heterozygous mutations in the SMAD3 gene were recently described as the cause of a form of non-syndromic familial aortic thoracic aneurysm and dissection (FTAAD) transmitted as an autosomal dominant disorder and often associated with early-onset osteoarthritis. This new clinical entity, called aneurysms-osteoarthritis syndrome (AOS) or Loeys-Dietz syndrome 3 (LDS3), is characterized by aggressive arterial damages such as aneurysms, dissections and tortuosity throughout the arterial tree. We report, here, the case of a 45 year-old man presenting multiple visceral arteries and abdominal aortic aneurysms but without dissection of the thoracic aorta and without any sign of osteoarthritis...
April 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28183174/the-petticoat-concept-for-endovascular-treatment-of-type-b-aortic-dissection
#20
Luca Bertoglio, Enrico Rinaldi, Germano Melissano, Roberto Chiesa
INTRODUCTION: A systematic literature search on outcomes of the PETTICOAT technique was aimed at verifying the feasibility and safety of the procedure, comparing clinical outcomes with standard stent-grafting of the proximal entry tear as well as describing the possible benefits in terms of aortic remodeling. EVIDENCE ACQUISITION: Potentially eligible papers were sought through a computerized search of MEDLINE and SCOPUS databases between January 2006 and June 2016...
February 9, 2017: Journal of Cardiovascular Surgery
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