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https://www.readbyqxmd.com/read/28640121/effects-of-anatomical-characteristics-as-factors-in-abdominal-aortic-aneurysm-rupture-ct-aortography-analysis
#1
Kyoung Min Lee, Sun Young Choi, Min Uk Kim, Do Yun Lee, Kyung Ah Kim, Sanghui Park
The aim of this study was to analyze the anatomical characteristics of patients with ruptured abdominal aortic aneurysms (AAAs) using computed tomography (CT) aortography in order to determine the risk factors for rupture.We retrospectively reviewed the CT aortography findings and medical records of patients with ruptured AAAs who underwent CT aortography between February 2002 and December 2014. Age, sex, blood pressure at the time of rupture, treatment methods used for the ruptured AAAs, and treatment outcomes were analyzed...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28633254/successful-surgical-treatment-of-an-aggressive-pelvic-angiomyxoma-with-intracardiac-extension
#2
Annastiina Husso, Jukka Savola, Jarmo Gunn
We present a case of an intravenous tumor with extension into the right atrium and right ventricle of the heart. Pelvic angiomyxoma is a rare benign tumor, which in this case carried a significant operative risk due to its extension. The patient initially presented with suspected caval and intracardiac thrombus, but unsuccessful treatment led to further investigations. The tumor was extensively dissected from the right atrium, suprarenal vena cava, and left iliac vein on cardiopulmonary bypass and deep hypothermic circulatory arrest...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28632534/administration-of-tetrahydrobiopterin-bh4-protects-the-renal-microcirculation-from-ischemia-and-reperfusion-injury
#3
Lokmane Rahmania, Diego Orbegozo, Fuhong Su, Fabio Silvio Taccone, Jean-Louis Vincent, Daniel De Backer
BACKGROUND: Abdominal aortic aneurysm surgery with suprarenal cross-clamping is often associated with renal injury. Although the mechanism underlying such injury is unclear, tissue ischemia and reperfusion, which induces endothelial dysfunction and decreases the availability of tetrahydrobiopterin (BH4), may play a role. We evaluated whether BH4 administration prevents renal ischemia/reperfusion injury in an animal model of aortic cross-clamping. METHODS: Nineteen anesthetized, mechanically ventilated, and invasively monitored adult sheep were randomized into 3 groups: sham animals (n = 5) that underwent surgical preparation but no aortic clamping; an ischemia/reperfusion group (n = 7), where the aorta was clamped above the renal arteries for 1 hour, and a BH4 group (n = 7), in which animals received 20 mg/kg of BH4 followed by aortic cross-clamp for 1 hour...
June 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28628421/high-grade-serous-ovarian-cancer-associations-between-brca-mutation-status-ct-imaging-phenotypes-and-clinical-outcomes
#4
Stephanie Nougaret, Yulia Lakhman, Mithat Gönen, Debra A Goldman, Maura Miccò, Melvin D'Anastasi, Sarah A Johnson, Krishna Juluru, Angela G Arnold, Ramon E Sosa, Robert A Soslow, Hebert Alberto Vargas, Hedvig Hricak, Noah D Kauff, Evis Sala
Purpose To investigate the associations between BRCA mutation status and computed tomography (CT) phenotypes of high-grade serous ovarian cancer (HGSOC) and to evaluate CT indicators of cytoreductive outcome and survival in patients with BRCA-mutant HGSOC and those with BRCA wild-type HGSOC. Materials and Methods This HIPAA-compliant, institutional review board-approved retrospective study included 108 patients (33 with BRCA mutant and 75 with BRCA wild-type HGSOC) who underwent CT before primary debulking...
June 16, 2017: Radiology
https://www.readbyqxmd.com/read/28609284/premature-ovarian-failure-could-be-an-alarming-sign-of-polyglandular-autoimmune-dysfunction
#5
Aasem Saif, M Assem
A 31-year-old lady, diagnosed to have premature ovarian failure in the gynecology clinic, was referred for endocrine assessment because of an abnormal thyroid function test. Clinical examination revealed hypotension, and fungal skin infection under her atrophic breasts. Thyroid stimulating hormone (TSH) level was very high. Assessment of the suprarenal function revealed evidence of Addison's disease. Polyglandular autoimmune dysfunction was diagnosed. She was treated with prednisone, fludrocortisone, and levothyroxine with significant improvement of her general condition and blood pressure...
April 25, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28583733/treatment-strategy-based-on-the-natural-course-of-the-disease-for-patients-with-spontaneous-isolated-abdominal-aortic-dissection
#6
Ji-Hee Kang, Young-Wook Kim, Seon-Hee Heo, Shin-Young Woo, Yang-Jin Park, Dong-Ik Kim, Duk-Kyung Kim
OBJECTIVE: This study aimed to determine the natural history of spontaneous isolated abdominal aortic dissection (SIAAD) and to establish an optimal management strategy for patients with SIAAD. METHODS: We searched the database of thoracoabdominal computed tomography (CT) performed at a single institution from January 2003 to July 2016 using the keywords "aortic dissection" and "dissection AND aorta." Once a diagnosis of SIAAD was made, we investigated the initial clinical and morphologic features and aorta-related events for all patients and morphologic changes of the aortic dissection (AD) during the follow-up period for the patients who underwent follow-up CT scans...
June 2, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28574051/-stagewise-hybrid-method-of-treating-a-patient-with-connective-tissue-dysplasia-aortic-aneurysm-and-distal-dissection
#7
É R Charchian, A A Skvortsov, D A Chakal, Z R Khachatrian
Presented herein is a clinical case report concerning the use of a hybrid technique in stagewise surgical management of a patient with distal dissection and an aneurysm of the thoracoabdominal portion of the aorta. The patient at high risk with the connective tissue dysplasia syndrome had a past medical history of prosthetic repair of the descending thoracic aorta with type-1 haemodynamic correction. Three years later, the findings of computed tomography demonstrated fenestration in the area of the distal anastomosis, a patent false channel, and an increase in the diameter of the unoperated thoracoabdominal portion of the aorta...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28554696/-hypertension-during-takayasu-s-disease-an-algerian-single-center-experience-of-279-patients
#8
A Mammeri, R Guermaz, A Hatri, F Kessal, S Taharboucht, F Hamrour, M Ammi, S Zekri, M Brouri
INTRODUCTION: Takayasu arteritis (TA) is an uncommon large vessel arteritis. Lesions produced by the inflammatory process can be stenotic, occlusive, or aneurysmal. Vascular changes lead to the main complications, including hypertension, most often due to renal artery stenosis or, more rarely, stenosis of the suprarenal aorta. AIM OF STUDY: Our study will assess the prevalence of hypertension during TA and describe its clinical profile. MATERIAL AND METHODS: Among 279 patients with TA resulting from single center study over a period of 35 years, we collected 128 hypertensive patients...
May 26, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28527883/endovascular-iliocaval-stent-reconstruction-for-inferior-vena-cava-filter-associated-iliocaval-thrombosis-approach-technical-success-safety-and-two-year-outcomes-in-120-patients
#9
Jeffrey Forris Beecham Chick, Alexandria Jo, J Matthew Meadows, Steven D Abramowitz, Minhaj S Khaja, Kyle J Cooper, David M Williams
PURPOSE: To report technical success, outcomes, and patency of iliocaval stent reconstruction for inferior vena cava (IVC) filter-bearing iliocaval thrombosis. MATERIALS AND METHODS: A total of 120 patients with 123 IVC filters and symptomatic iliocaval thrombosis underwent stent reconstruction. Mean patient age was 55 years (range, 19-88 y). Filters included 70 (57%) retrievable and 53 (43%) permanent filters. Symptoms included lower extremity swelling or pain (n = 93), ulcers (n = 8), phlegmasia (n = 7), back pain (n = 5), shortness of breath (n = 4), worsening renal function (n = 2), and stenosis identified during translumbar catheter placement (n = 1)...
May 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28465982/a-detailed-study-of-multiple-vascular-variations-in-the-upper-part-of-abdomen
#10
Prakashchandra Shetty, Satheesha B Nayak
INTRODUCTION: Knowledge of vascular variations near the kidney is of importance to many clinical disciplines such as nephrologists, radiologists, gastroenterologists, and general surgeons. Variant branches of the abdominal aorta and renal arteries are the victims of iatrogenic bleeding during surgery. We found multiple vascular variations in the upper part of the abdomen during our dissection classes. METHODS: During the dissection classes of the abdomen for undergraduate medical students, we observed multiple vascular variations in the abdomen of an adult male cadaver...
January 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28455887/human-adipose-stromal-cell-therapy-improves-survival-and-reduces-renal-inflammation-and-capillary-rarefaction-in-acute-kidney-injury
#11
Jason A Collett, Dmitry O Traktuev, Purvi Mehrotra, Allison Crone, Stephanie Merfeld-Clauss, Keith L March, David P Basile
Damage to endothelial cells contributes to acute kidney injury (AKI) by causing impaired perfusion, while the permanent loss of the capillary network following AKI has been suggested to promote chronic kidney disease. Therefore, strategies to protect renal vasculature may impact both short-term recovery and long-term functional preservation post-AKI. Human adipose stromal cells (hASCs) possess pro-angiogenic and anti-inflammatory properties and therefore have been tested as a therapeutic agent to treat ischaemic conditions...
April 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28448522/nestin-expression-is-upregulated-in-the-fibrotic-rat-heart-and-is-localized-in-collagen-expressing-mesenchymal-cells-and-interstitial-cd31-cells
#12
Vanessa Hertig, Kim Tardif, Marc Andre Meus, Natacha Duquette, Louis Villeneuve, Fanny Toussaint, Jonathan Ledoux, Angelino Calderone
Renal and lung fibrosis was characterized by the accumulation of collagen-immunoreactive mesenchymal cells expressing the intermediate filament protein nestin. The present study tested the hypothesis that nestin expression was increased in the hypertrophied/fibrotic left ventricle of suprarenal abdominal aorta constricted adult male Sprague-Dawley rats and induced in ventricular fibroblasts by pro-fibrotic peptide growth factors. Nestin protein levels were upregulated in the pressure-overloaded left ventricle and expression positively correlated with the rise of mean arterial pressure...
2017: PloS One
https://www.readbyqxmd.com/read/28433046/-the-risks-of-retroperitoneoscopic-adrenalectomy
#13
P Zonča, M Peteja, P Vávra, V Richter, P Ostruszka
INTRODUCTION: Minimally invasive adrenalectomy has become the gold standard for surgery of the suprarenal gland. Retroperitoneoscopic adrenalectomy with dorsal approach is preferred. The aim of our case report is to discuss potential complications that may arise from retroperitoneoscopic adrenalectomy, specifically an intra-operative injury of the inferior vena cava. CASE REPORT: A 47-year-old male patient was admitted to undergo elective adrenalectomy on the right side...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28410923/infrarenal-endograft-clamping-in-late-open-conversions-after-endovascular-abdominal-aneurysm-repair
#14
Paolo Perini, Alessandro de Troia, Tiziano Tecchio, Matteo Azzarone, Claudio Bianchini Massoni, Pierfranco Salcuni, Antonio Freyrie
OBJECTIVE: The aim of this study was to report the technical aspects and outcomes of late open conversion (LOC) after endovascular aneurysm repair (EVAR) in a single center by using exclusively infrarenal clamping of the endograft as an alternative to suprarenal or supraceliac aortic clamping. METHODS: A retrospective analysis of EVAR requiring late explantation (>30 days) from January 1996 to October 2016 was performed. Patients' demographics, type of endograft, duration of implantation, reason for removal, extent of stent graft removal, type of reconstruction, 30-day mortality, postoperative complications, and long-term survival were obtained for analysis...
April 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28408090/further-evidence-that-evar-with-suprarenal-fixation-may-be-associated-with-renal-injury
#15
J R Boyle, H H Dosluoglu
No abstract text is available yet for this article.
April 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28406699/early-morphologic-alterations-in-renal-artery-wall-and-renal-nerves-in-response-to-catheter-based-renal-denervation-procedure-in-sheep-difference-between-single-point-and-multiple-point-ablation-catheters
#16
M Táborský, D Richter, Z Tonar, T Kubíková, A Herman, J Peregrin, L Červenková, Z Husková, L Kopkan
Renal sympathetic hyperactivity is critically involved in hypertension pathophysiology; renal denervation (RDN) presents a novel strategy for treatment of resistant hypertension cases. This study assessed effects of two RDN systems to detect acute intravascular, vascular and peri-vascular changes in the renal artery, and renal nerve alterations, in the sheep. The procedures using a single-point or multi-point ablation catheters, Symplicity Flex(TM), Medtronic versus EnligHTN(TM), St. Jude Medical were compared; the intact contralateral kidneys served as controls...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28389291/a-word-of-caution-for-extra-large-self-expandable-nitinol-stents
#17
Andrés Reyes Valdivia, Africa Duque Santos, Francisco Alvarez Marcos, Asunción Romero Lozano, Julia Ocaña Guaita, Claudio Gandarias Zúñiga
BACKGROUND: To report an unsuccessful use of large nitinol stent to prevent proximal endoleak in endograft treatment for juxtarenal aortic aneurysm. CASE REPORT: An 82-year-old male presented coronary disease and severe chronic obstructive pulmonary disease requiring oxygen support. A large 80-mm juxtarenal aneurysm was found on routine urological examination. Neck features were as follows: 7 mm and high anterior-posterior angulation. ASA risk score IV was given...
April 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28366303/comparison-of-midterm-results-for-the-talent-and-endurant-stent-graft
#18
Yannick W 't Mannetje, Philippe W M Cuypers, Ben R Saleem, Aron S Bode, Joep A W Teijink, Marc R H M van Sambeek
OBJECTIVE: Stent graft evolution is often addressed as a cause for improved outcomes of endovascular aneurysm repair for patients with an abdominal aortic aneurysm. In this study, we directly compared the midterm result of Endurant stent graft with its predecessor, the Talent stent graft (both Medtronic, Santa Rosa, Calif). METHODS: Patient treated from January 2005 to December 2010 in a single tertiary center in The Netherlands with a Talent or Endurant stent graft were eligible for inclusion...
March 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28364044/high-serum-thrombospondin-1-concentration-is-associated-with-slower-abdominal-aortic-aneurysm-growth-and-deficiency-promotes-angiotensin-ii-induced-aneurysm-in-mice
#19
Smriti M Krishna, Saiwang Seto, Roby Jose, Jiaze Li, Joseph V Moxon, Paula Clancy, David J Crossman, Paul E Norman, Theophilus I Emeto, Jonathan Golledge
Abdominal aortic aneurysm (AAA) is a common age-related vascular disease characterized by progressive weakening and dilatation of the aortic wall. Thrombospondin-1 (TSP-1; gene Thbs1) is a member of the matricellular protein family important in the control of extracellular matrix remodeling. In this study, the association of serum TSP-1 concentration with AAA progression was assessed in 276 men that underwent repeat ultrasound for a median 5.5 years. AAA growth was negatively correlated with serum TSP-1 concentration ( Spearman's rho (-)0...
March 31, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28349777/aortic-curvature-is-a-predictor-of-late-type-ia-endoleak-and-migration-after-endovascular-aneurysm-repair
#20
Richte C L Schuurmann, Kim van Noort, Simon P Overeem, Kenneth Ouriel, William D Jordan, Bart E Muhs, Yannick 't Mannetje, Michel Reijnen, Bram Fioole, Çağdaş Ünlü, Peter Brummel, Jean-Paul P M de Vries
PURPOSE: To evaluate the association between aortic curvature and other preoperative anatomical characteristics and late (>1 year) type Ia endoleak and endograft migration in endovascular aneurysm repair (EVAR) patients with hostile necks. METHODS: Eight high-volume EVAR centers contributed 116 EVAR patients (mean age 81±7 years; 103 men) to the study: 36 patients (mean age 82±7 years; 31 men) with endograft migration and/or type Ia endoleak diagnosed >1 year after the initial EVAR and 80 controls without early or late complications...
March 1, 2017: Journal of Endovascular Therapy
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