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Journal articles on the topic 'Aorta'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Popov, V. V., and A. A. Bolshak. "Procedure of complex braided wrapping of ascending aorta in her poststenotic dilation while doing correction of aortal stenosis." Klinicheskaia khirurgiia 87, no. 9-10 (2020): 18–21. http://dx.doi.org/10.26779/2522-1396.2020.9-10.18.

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Objective. To study clinical possibilities of original procedure of the ascending aorta braid-like bandage for her poststenotic dilation while performance of the aortal stenosis surgical correction. Materials and methods. To the main Group 196 patients were included those, who were operated on for prevailing aortal stenosis, conjoined with poststenotic dilation of ascending aorta. In accordance to the echocardiographic investigation data the ascending aorta diameter preoperatively have constituted (47.7 ± 1.7) mm. In all the patients the aortal valve prosthesis was performed together wit

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Neves, Ana Augusta Gayoso, Alexandre Gayoso Neves Maia de Oliveira, Roberto Teodoro Beck, Ricardo Virginio dos Santos, Francisco Carlos Padilha Moreira, and Alexandre Campos Moraes Amato. "Tratamento endovascular de pseudoaneurisma de aorta torácica com fístula aorto-brônquica em pós-operatório tardio de cirurgia de correção de coarctação de aorta." Jornal Vascular Brasileiro 10, no. 1 (2011): 64–67. http://dx.doi.org/10.1590/s1677-54492011000100012.

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Fístula aorto-brônquica é uma conexão entre a aorta e o brônquio, e mesmo quando imediatamente reconhecida e tratada possui alto risco de letalidade. Pode se desenvolver após cirurgias de aorta, e é geralmente uma consequência de pseudoaneurisma. A hemoptise, massiva ou intermitente, é o principal sintoma apresentado. O tratamento convencional da fístula aorto-brônquica é a cirurgia aberta de aorta torácica, com reconstrução traqueobrônquica. Recentemente, o reparo endovascular tem sido proposto como uma alternativa. Os autores apresentam um relato de tratamento endovascular, realizado com êxi

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Bennett, Damien, Diane Stewart, Deirdre Kearns, Adrian Mairs, and Peter Ellis. "Non-visualized aorta in abdominal aortic aneurysm screening: Screening outcomes and the influence of subject and programme characteristics." Journal of Medical Screening 24, no. 4 (2017): 214–19. http://dx.doi.org/10.1177/0969141316680833.

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Objectives To compare abdominal aortic aneurysm screening outcomes of men with non-visualized aorta at original scan with subsequent scans and to determine predictors of non-visualized aorta. Methods In the Northern Ireland Abdominal Aortic Aneurysm screening programme, outcomes (discharge, annual surveillance, three-monthly surveillance, or vascular referral) and patient and programme characteristics (age, deprivation quintile, family history, technician experience, and screening location) for men with non-visualized aorta were investigated at original scan, and first and second rescans. Resu

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Pahuja, Kavita, and Amardeep Bissa. "Segmental Representation of Intimal Thickness in Ascending Aorta as Early Clinical Marker of Aging." International Journal of Anatomy and Research 9, no. 2.1 (2021): 7955–59. http://dx.doi.org/10.16965/ijar.2021.116.

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Background: Intimal thickness is the innermost layer of aorta; play a vital role in development of atherosclerotic changes. It may vary in the different parts of the aorta and may increase with age. Methods: 120 aortas of adult human forensic bodies were taken. Histological slides were formed and the thickness of different segments of aorta were measured microscopically. Data were statically analyzed using ANOVA, p test methods. Results and Discussion: There is no significant difference of Intimal thickness in different segments of ascending aorta though it significantly increase with age may

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5

Helin, Pekka, C. Garbarsch, G. Helin, and I. Lorenzen. "Vascular Injury Compared to Ageing of Normal Rabbit Aorta." Journal of Vascular Research 22, no. 2 (1985): 94–104. http://dx.doi.org/10.1159/000158588.

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Male albino rabbits of the Danish country strain, 5 months of age, were divided into two groups. One group of animals was killed 180 days after a single mechanical dilatation injury of the thoracic aorta. A second group of untreated controls was killed at ages of 150, 165, 180, 210, 330, and 450 days. Glycosaminoglycans, uptake of <sup>35</sup>S-sulphate, collagen, uptake of <sup>125</sup>I-albumin, and vascular histochemistry and morphology were analyzed in the thoracic aorta. In the injured aortae the dry weight and the total amounts of hexosamine, hyaluronic acid, ch

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6

Rhode, E. A., R. Elsner, T. M. Peterson, K. B. Campbell, and W. Spangler. "Pressure-volume characteristics of aortas of harbor and Weddell seals." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 251, no. 1 (1986): R174—R180. http://dx.doi.org/10.1152/ajpregu.1986.251.1.r174.

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The mechanical properties of the radially enlarged proximal segment of the aorta of diving marine mammals was studied on 15 excised aortas of harbor seals and five aortas of Weddell seals. This was done by recording static pressure-volume relationships for the whole thoracic aorta, the aortic bulb, and the descending thoracic aorta and passive length-tension measurements of aortic strips. Aortic bulb volume distensibility was found to be much greater than that of the descending thoracic aorta or of an equivalent aortic segment of terrestrial mammals. The consequences were that the total potent

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7

Harun, Andi L. A., Luthfi Attamimi, Nikmatia Latief, and Sri Asriyani. "Fistula Aorta - Atrium Kanan." Jurnal Biomedik:JBM 13, no. 3 (2021): 352. http://dx.doi.org/10.35790/jbm.v13i3.33805.

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Abstract: Aortic - right atrial fistula is a channel of blood vessels originating from one of the valsalva sinuses and ending in the superior vena cava or right atrium. This fistula is an abnormal vascular connection that causes blood flow from the high-resistance aortic circuit to the low-resistance right atrium. We report a case of a 34-year-old male patient diagnosed with aortic - right atrial fistula with clinical manifestations of spasms since 1 month. The incidence of aortic - right atrial fistula is most common between the ages of 9 and 45 years. The cause of this condition appears to b

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8

Khan, Aasim, and Thodur Vasudevan. "Hybrid technique for the management of thoracoabdominal aortic thrombosis and symptomatic Trans-Atlantic Inter-Society Consensus “C” aorto-iliac disease." Vascular 26, no. 3 (2017): 331–34. http://dx.doi.org/10.1177/1708538117718645.

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Objective Thrombotic disease of the thoracic and abdominal aorta co-existing with aorto-iliac disease is a rare clinical association, which poses a great therapeutic challenge and adds to the complexity of the open surgical repair. Method We describe a case of 53-year-old woman with symptomatic thrombus in the thoracic and abdominal aorta down to the aortic bifurcation, which was successfully treated by Thoracic EndoVascular Aortic Repair via the left subclavian artery, open thrombectomy and aorto-iliac bypass. Result Completion angiogram performed through the axillary cannula showed good flow

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9

Tinker, D., J. Geller, N. Romero, C. E. Cross, and R. B. Rucker. "Tropoelastin production and tropoelastin messenger RNA activity. Relationship to copper and elastin cross-linking in chick aorta." Biochemical Journal 237, no. 1 (1986): 17–23. http://dx.doi.org/10.1042/bj2370017.

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The elastin content of the chick thoracic aorta increases 2--3-fold during the first 3 weeks post-hatching. The deposition of elastin requires the covalent cross-linking of tropoelastin by means of lysine-derived cross-links. This process is sensitive to dietary copper intake, since copper serves as cofactor for lysyl oxidase, the enzyme that catalyses the oxidative deamination of the lysine residues involved in cross-link formation. Disruption of cross-linking alters tissue concentrations of both elastin and tropoelastin and results in a net decrease in aortic elastin content. Autoregulation

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10

Zhu, Guanglang, Huiying Sun, Jiannan Wang, et al. "In Vivo Detection and Measurement of Aortic Aneurysm and Dissection in Mouse Models Using Microcomputed Tomography with Contrast Agent." Contrast Media & Molecular Imaging 2019 (March 6, 2019): 1–9. http://dx.doi.org/10.1155/2019/5940301.

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Objectives. The aim of this study was to evaluate the potential of microcomputed tomography (micro-CT) using the intravascular contrast agent ExiTron nano 12000 for aorta imaging and monitoring the dynamic changing process of the aorta in mouse models with aortic aneurysm and dissection. Materials and Methods. Experiments were performed on healthy mice and mice with aortic dissection. Mice that were developing aortic dissection and healthy mice underwent micro-CT imaging after injection of ExiTron nano 12000. Time-dependent signal enhancement (at 1, 2, 3, 6, and 12 hours after intravenous inje

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11

BENLİ, Onur. "Akut Aortik Sendroma Genel Bakış." Arşiv Kaynak Tarama Dergisi 33, no. 1 (2024): 1–15. http://dx.doi.org/10.17827/aktd.1246236.

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Akut aortik sendrom ; aort diseksiyonu , intramural hematom , semptomatik penetre aortik ülseri içine alan bir kavramdır. Ancak bu üç patoloji ilerleyişine göre torakal aort anevrizması ve travmatik aort rüptürünü de içine alarak geniş bir terminoloji grubunu oluşturur. Aort diseksiyonu en sık görülen tipidir. Tip A aort diseksiyonunda acil cerrahi gerekir iken, Tip B de endovascular tedavi gerekir. İntramural hematom, intimal flep olmadan aort duvarı hematomu olarak tanımlanmıştır. Rüptüre aorta , aort diseksiyonuna, anevrizma veya psödoanevrizmaya ilerleyebildiği gibi tam rezolüsyon da göste

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12

Guo, X., Y. Kono, R. Mattrey, and G. S. Kassab. "Morphometry and strain distribution of the C57BL/6 mouse aorta." American Journal of Physiology-Heart and Circulatory Physiology 283, no. 5 (2002): H1829—H1837. http://dx.doi.org/10.1152/ajpheart.00224.2002.

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The goal of the present study was to obtain a systematic set of data along the length of the mouse aorta to study variations of morphometry (diameter, wall thickness, and curvature), strain, and stress of the mouse aorta. Five mice were imaged with a 13-MHz ultrasound probe to determine the in vivo diameter along the aorta. A cast was made of these aortas to validate the ultrasonic diameter measurements. The root mean squared and systematic errors for these measurements were 12.6% and 6.4% of the mean ultrasound diameter, respectively. The longitudinal variations of geometry, stress, and strai

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13

Tan, Sovira, Abhijit Dasgupta, John A. Flynn, and Michael M. Ward. "Aortic-vertebral interaction in ankylosing spondylitis: syndesmophyte development at the juxta-aortic vertebral rim." Annals of the Rheumatic Diseases 78, no. 7 (2019): 922–28. http://dx.doi.org/10.1136/annrheumdis-2018-214675.

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ObjectivesThe aorta inhibits paravertebral ossification in diffuse idiopathic skeletal hyperostosis. We investigated if syndesmophytes in ankylosing spondylitis (AS) occurred less often at the vertebral rim near the aorta.MethodsWe performed thoracolumbar CT scans in 60 subjects in this cross-sectional study. The mid-thoracic spine was also scanned in 22 subjects. We divided the rim of each intervertebral disc space (IDS) into 72 angular sectors, each of 5°. We computed syndesmophyte height in each sector, and the distance from the sector to the aorta. We evaluated if syndesmophyte size or fre

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14

Moore, J. E., D. N. Ku, C. K. Zarins, and S. Glagov. "Pulsatile Flow Visualization in the Abdominal Aorta Under Differing Physiologic Conditions: Implications for Increased Susceptibility to Atherosclerosis." Journal of Biomechanical Engineering 114, no. 3 (1992): 391–97. http://dx.doi.org/10.1115/1.2891400.

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The infrarenal abdominal aorta is a common site for clinically significant atherosclerosis. As has been shown in other susceptible locations, vessel geometry, flow division rates, and pulsatility may result in hemodynamic conditions which influence the preferential localization of disease in the abdominal aorta segment. Pulsatile flow visualization was performed in a glass model of the aorta constructed from measurements of angiograms and cadaver aortas. Flow rates and pulsatile waveforms were varied to reflect typical physiological conditions. Under normal resting conditions, the flow pattern

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15

Galkina, Elena, Alexandra Kadl, John Sanders, Danielle Varughese, Ian J. Sarembock, and Klaus Ley. "Lymphocyte recruitment into the aortic wall before and during development of atherosclerosis is partially L-selectin dependent." Journal of Experimental Medicine 203, no. 5 (2006): 1273–82. http://dx.doi.org/10.1084/jem.20052205.

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Atherosclerosis is an inflammatory disease of large arteries. Flow cytometry of aortic cell suspensions showed that B and T lymphocytes and some macrophages and dendritic cells are already present in the adventitia of normal/noninflamed mouse aortas. Adoptively transferred lymphocytes constitutively homed to the aorta and resided within the adventitia up to 7 d after transfer. Lymphocyte trafficking into normal/noninflamed or atherosclerosis-prone aortas was partially L-selectin dependent. Antigen-activated dendritic cells induced increased T lymphocyte proliferation within the aorta 72 h afte

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Fusco, Pedro E. B., Hélio L. T. Marino, Silvia R. Bottini Natal, et al. "Enxerto aorto-femoral por via laparoscópica: modelo experimental." Jornal Vascular Brasileiro 4, no. 4 (2005): 396–400. http://dx.doi.org/10.1590/s1677-54492005000400018.

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OBJETIVO: Verificar a exeqüibilidade de enxerto aorto-femoral por via laparoscópica. MÉTODO: Operamos porco de 75 kg sob anestesia geral. Empregando a técnica do avental (apron) de Dion, expusemos a aorta por laparoscopia. Brevemente, em decúbito dorsal horizontal, dissecamos um "avental" do peritônio parietal esquerdo. A dissecção prosseguiu com rotação medial do cólon esquerdo. O avental, posteriormente fixo à linha mediana, serviu de anteparo às alças intestinais. Pinçamos a aorta e realizamos enxerto aorto-femoral com o tempo abdominal totalmente laparoscópico. RESULTADO: O enxerto foi rea

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17

Al Rstum, Zain, Akiko Tanaka, Hazim J. Safi, and Anthony L. Estrera. "Extra-anatomical ascending-thoraco-abdominal bypass for aortic fistula after thoracic endovascular aortic repair." European Journal of Cardio-Thoracic Surgery 56, no. 6 (2019): 1199–201. http://dx.doi.org/10.1093/ejcts/ezz141.

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Abstract Aortobronchial and aorto-oesophageal fistulae after thoracic endovascular aortic repair (TEVAR) for traumatic aortic injuries are rare but serious. Potentially fatal complications may occur years after the stent graft deployment. Surgical management is challenging. We report on a 33-year-old male with aorto-oesophageal fistula and a 25-year-old male with aortobronchial fistula—both of whom received TEVAR for traumatic aortic injury. Each underwent successful staged open surgical repair with extra-anatomical bypass from the ascending aorta to the thoraco-abdominal aorta, along with arc

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18

Jayakody, R. L., M. P. J. Senaratne, A. B. R. Thomson, and C. T. Kappagoda. "Cholesterol feeding impairs endothelium-dependent relaxation of rabbit aorta." Canadian Journal of Physiology and Pharmacology 63, no. 9 (1985): 1206–9. http://dx.doi.org/10.1139/y85-199.

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Experiments were designed to assess the effect of cholesterol feeding on the endothelium-mediated relaxation of the rabbit aorta to acetylcholine. Age-matched male New Zealand white rabbits were fed either a 2% cholesterol diet or standard rabbit chow. The animals were anaesthetized with sodium pentobarbitone and sacrificed after 4 and 8 weeks on these diets. Rings were prepared from the proximal thoracic aorta and examined in tissue baths. These rings were contracted first with norepinephrine (−6 log mol/L) and acetylcholine was added to demonstrate the endothelium-mediated relaxation. The en

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Sharma, S., M. Rajani, T. Kamalakar, K. K. Talwar, and K. R. Sunderam. "Clinical and Angiographic Features of Nonspecific Aorto-Arteritis in Children and Adults." Acta Radiologica 32, no. 6 (1991): 485–87. http://dx.doi.org/10.1177/028418519103200609.

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We compared clinical and angiographic features of nonspecific aorto-arteritis in children with those of adult patients. Digital subtraction angiography by i.v. and/or i.a. injection was carried out in 104 patients. In group 1, consisting of 32 patients aged 16 years and younger, hypertension (75%) was the most common clinical feature, followed by diminished pulse, bruit (72% each), congestive cardiac failure (38%), and limb claudication (13%). Obstructing arterial lesions were always present and commonly involved the abdominal aorta (75%), descending thoracic aorta (41%), renal (63%) and subcl

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Komutrattananont, Pornhatai, Treerat Gumpangseth, Parison Palee, et al. "Age Estimation using Aorta Image Analysis in the Thai Population." Sains Malaysiana 50, no. 2 (2021): 419–28. http://dx.doi.org/10.17576/jsm-2021-5002-13.

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The current technology used in imaging has an increasing role in medical education. The concept of using an image analysis programme to help in estimating the age of the aorta, the largest artery, can be clearly seen to be of use, especially in establishing age changes for the identification of individuals. The purposes of the study were to investigate gross morphology, morphometric parameters, and the correlation between parameters with age of the aorta in human cadavers by using an image analysis programme. A total of 244 specimens were dissected from 4 locations of 61 human aortas from dono

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Silswal, Neerupma, Nikhil K. Parelkar, Michael J. Wacker, Mostafa Badr та Jon Andresen. "PPARα-Independent Arterial Smooth Muscle Relaxant Effects of PPARαAgonists". PPAR Research 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/302495.

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We sought to determine direct vascular effects of peroxisome proliferator-activated receptor alpha (PPARα) agonists using isolated mouse aortas and middle cerebral arteries (MCAs). The PPARαagonists GW7647, WY14643, and gemfibrozil acutely relaxed aortas held under isometric tension and dilated pressurized MCAs with the following order of potency: GW7647≫WY14643>gemfibrozil. Responses were endothelium-independent, and the use of PPARαdeficient mice demonstrated that responses were also PPARα-independent. Pretreating arteries with high extracellular K+attenuated PPARαagonist-mediated relaxat

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Lalli, M. Jane, Shunichi Shimizu, Roy L. Sutliff, Evangelia G. Kranias, and Richard J. Paul. "[Ca2+]ihomeostasis and cyclic nucleotide relaxation in aorta of phospholamban-deficient mice." American Journal of Physiology-Heart and Circulatory Physiology 277, no. 3 (1999): H963—H970. http://dx.doi.org/10.1152/ajpheart.1999.277.3.h963.

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Phospholamban (PLB), a protein localized in the sarcoplasmic reticulum (SR), inhibits the SR Ca2+-ATPase; phosphorylation of PLB relieves this inhibition. We previously reported significant differences in contractility in aorta from mice in which the gene for PLB was ablated (PLB−). In this study, we measured intracellular Ca2+concentration ([Ca2+]i) with fura 2 in the intact mouse aorta to more directly test the hypothesis that these changes are ascribable to altered SR function in vivo. Ten micromoles per liter of the α-agonist phenylephrine (PE) increased [Ca2+]imonotonically to a steady st

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Sener, Erol, Aslihan Kucuker, Huseyin Bayram, Kadir Kurt, Emrah Uguz, and Muhammed Fethi Saglam. "Ruptured Sinus of Valsalva Aneurysm and Coarctation of Aorta in a Woman at Early Postpartum Period." Case Reports in Medicine 2014 (2014): 1–3. http://dx.doi.org/10.1155/2014/731596.

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Coarctation of aorta and sinus of Valsalva aneurysm are frequently missed congenital cardiac defects that their diagnosis might be delayed. To our knowledge, coincidence of these cardiac defects is unusual and has not been reported in the literature before. Here, we present a patient with coarctation of aorta and ruptured noncoronary sinus of Valsalva aneurysm leading to aorto-right atrial fistula in the early postpartum period and our management of this unusual case.

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Ghorbani, Niky, Vivek Muthurangu, Abbas Khushnood, et al. "Impact of valve morphology, hypertension and age on aortic wall properties in patients with coarctation: a two-centre cross-sectional study." BMJ Open 10, no. 3 (2020): e034853. http://dx.doi.org/10.1136/bmjopen-2019-034853.

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ObjectiveWe aimed to investigate the combined effects of arterial hypertension, bicuspid aortic valve disease (BAVD) and age on the distensibility of the ascending and descending aortas in patients with aortic coarctation.DesignCross-sectional study.SettingThe study was conducted at two university medical centres, located in Berlin and London.ParticipantsA total of 121 patients with aortic coarctation (ages 1–71 years) underwent cardiac MRI, echocardiography and blood pressure measurements.Outcome measuresCross-sectional diameters of the ascending and descending aortas were assessed to compute

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25

Niwa, Koichiro. "Landmark lecture: Perloff lecture: Tribute to Professor Joseph Kayle Perloff and lessons learned from him: aortopathy in adults with CHD." Cardiology in the Young 27, no. 10 (2017): 1959–65. http://dx.doi.org/10.1017/s1047951117002116.

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AbstractMarfan syndrome, bicuspid aortic valve, and/or coarctation of the aorta are associated with medial abnormalities of the ascending aortic or para-coarctation aorta. Medial abnormalities in the ascending aorta are prevalent in other type of patients with a variety of CHDs such as single ventricle, persistent truncus arteriosus, transposition of the great arteries, hypoplastic left heart syndrome, and tetralogy of Fallot, encompassing a wide age range and may predispose to dilatation, aneurysm, and rapture necessitating aortic valve and root surgery. These CHDs exhibit ongoing dilatation

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Ferreira, André Ventura, Vanessa Prado dos Santos, and Roberto Augusto Caffaro. "Estenose carotídea acima de 70% em pacientes no pré-operatório de cirurgia da aorta abdominal: freqüência e fatores de risco." Jornal Vascular Brasileiro 5, no. 1 (2006): 17–22. http://dx.doi.org/10.1590/s1677-54492006000100004.

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OBJETIVO: Analisar a freqüência e os fatores de risco associados à estenose carotídea acima de 70% em pacientes que serão submetidos a cirurgias de aorta abdominal. MATERIAL E MÉTODO: Foram analisados 94 pacientes que realizaram ultra-som Doppler de carótidas no pré-operatório de cirurgias de aorta abdominal entre janeiro de 2000 e janeiro de 2003, pela disciplina de Cirurgia Vascular da Santa Casa de São Paulo. RESULTADOS: Sessenta e sete pacientes (71%) eram homens. Dentre os 94 pacientes, 42 (44,6%) tinham doença oclusiva aorto-ilíaca, e 52 (53,4%), aneurismas da aorta abdominal (AAA). A an

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Gonzalez Soler, Juan Jose, Jorge Cañaveral Londoño, and Maria del Mar Suarez Gago. "Aneurisma de aorta abdominal y fistula aorto-cava." Galicia Clínica 73, no. 1 (2012): 44. http://dx.doi.org/10.22546/16/260.

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Pisano, Calogera, Sonia Terriaca, Maria Giovanna Scioli, et al. "The Endothelial Transcription Factor ERG Mediates a Differential Role in the Aneurysmatic Ascending Aorta with Bicuspid or Tricuspid Aorta Valve: A Preliminary Study." International Journal of Molecular Sciences 23, no. 18 (2022): 10848. http://dx.doi.org/10.3390/ijms231810848.

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The pathobiology of ascending aorta aneurysms (AAA) onset and progression is not well understood and only partially characterized. AAA are also complicated in case of bicuspid aorta valve (BAV) anatomy. There is emerging evidence about the crucial role of endothelium-related pathways, which show in AAA an altered expression and function. Here, we examined the involvement of ERG-related pathways in the differential progression of disease in aortic tissues from patients having a BAV or tricuspid aorta valve (TAV) with or without AAA. Our findings identified ERG as a novel endothelial-specific re

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Tesfamariam, B., and R. A. Cohen. "Free radicals mediate endothelial cell dysfunction caused by elevated glucose." American Journal of Physiology-Heart and Circulatory Physiology 263, no. 2 (1992): H321—H326. http://dx.doi.org/10.1152/ajpheart.1992.263.2.h321.

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Impaired endothelium-dependent relaxation occurs in diabetic rabbit aorta and normal aorta exposed to elevated concentrations of glucose and is prevented by cyclooxygenase inhibitors. The role of free radicals in the endothelial cell impairment was examined with free radical scavengers and in aortas from rabbits fed with probucol (1% wt/wt, a lipid-soluble antioxidant). Rings of aorta suspended for measurement of isometric tension were incubated for 6 h in control (5.5 mM) or elevated (44 mM) glucose. Impairment of endothelium-dependent relaxation to acetylcholine caused by exposure to elevate

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Noh, Daji, Hyunguk Shin, Sooyoung Choi, Hojung Choi, Youngwon Lee, and Kija Lee. "Echocardiographic diagnosis of aorto-left ventricular tunnel with supravalvular pulmonic stenosis in a Shih-tzu dog." Open Veterinary Journal 13, no. 2 (2023): 247. http://dx.doi.org/10.5455/ovj.2023.v13.i2.14.

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Background: The aorto-left ventricular tunnel (ALVT) is a congenital extracardiac channel that connects the ascending aorta to the left ventricle. Case Description: A 2-year-old Shih-tzu dog presented with mild exercise intolerance. Echocardiography revealed an abnormal slit-like tunnel structure connecting the ascending aorta to the left ventricle, with diastolic blood flow from the aorta to the left ventricle. Echogenic membranous stenosis was observed in the main pulmonary artery. Based on these findings, the dog was diagnosed with ALVT and type I supravalvular pulmonic stenosis. Conclusion

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LI, Jie, and Klaus Ley. "The role of CCL5 in T cell recruitment to the aorta (HUM1P.303)." Journal of Immunology 192, no. 1_Supplement (2014): 52.3. http://dx.doi.org/10.4049/jimmunol.192.supp.52.3.

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Abstract T cell adaptive immunity is involved in the pathogenesis of atherosclerosis. Previously our lab found that APCs present antigens to effector T cells (Teff). This causes local T cell activation and cytokine production, which sustain local inflammation. However, the chemokine(s) that drive T cell homing to the atherosclerotic aorta are not known. By multi-color flow cytometry to analyze chemokine receptor expression on T cells from Apoe-/- aorta, we found that more than 40% of CD4 T cells in Apoe-/- aorta express CCR5. Notably, &gt;80% of the CCR5+ T cells in the plaques are IFN-γ+F

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Pumacayo-Cárdenas, Susan, Moises Jimenez-Santos, and Edgar Quea-Pinto. "Anomalous origin of right pulmonary artery: diagnosis, treatment, and follow-up in an adult patient." Cardiology in the Young 30, no. 8 (2020): 1199–201. http://dx.doi.org/10.1017/s1047951120001729.

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AbstractAnomalous origin of a branch pulmonary artery from the aorta is a rare malformation, accounting for 0.12% of all congenital heart defects. We present the case of a 43-year-old man with an anomalous origin of the right pulmonary artery (AORPA) from the ascending aorta. Reimplantation of the right pulmonary artery was carried out successfully, with favourable evolution in the medium-term follow-up. It is the first described case that receives corrective treatment in adulthood with a favourable evolution.

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Sarkar, Achyut K., Naveenchandra G. Sanjeeva, and Nagesh S. Waghmare. "Association of congenital descending aorto–left atrial fistula with the aortopulmonary window and atrial septal defect." Cardiology in the Young 24, no. 1 (2013): 143–44. http://dx.doi.org/10.1017/s1047951112002156.

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AbstractWe report a case of fistula between the descending aorta and the left atrium with associated aortopulmonary window and secundum atrial septal defect. No previous reports of such association have been found in the literature. A 5-month-old infant presented with heart failure from the age of 2 weeks. Echocardiography confirmed the presence of an aorto–left atrial fistula, aortopulmonary window, and atrial septal defect. The diagnosis was additionally supported by computed tomography. The entity aorto–left atrial fistula is rare. It is mostly acquired and usually between the ascending aor

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Kolcz, Jacek, Katarzyna Januszewska, and Edward Malec. "Successful repair of aorto-left ventricular tunnel diagnosed prenatally." Cardiology in the Young 15, no. 2 (2005): 219–22. http://dx.doi.org/10.1017/s1047951105000430.

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Aorto-left ventricular tunnels are anomalous communications between the ascending aorta and the left ventricle. Prenatal diagnosis, followed by successful surgical management, is rare. We describe a fetus diagnosed with aorto-left ventricular tunnel at 35 weeks who achieved a favourable outcome after immediate postnatal surgical repair.

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Lim, Sean-Tee J. M., Stephen Murphy, Said Atyani, and Michael Anthony Moloney. "Thoracic Endovascular Aortic Repair for a Ruptured Mycotic Aortic Pseudoaneurysm Secondary to Esophageal Carcinoma." Case Reports in Vascular Medicine 2022 (January 6, 2022): 1–4. http://dx.doi.org/10.1155/2022/5489653.

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A 47-year-old female presented to the emergency department with new episodes of hematemesis. She had a background of unresectable T4b + N1 + M0 esophageal squamous cell carcinoma. Contrast CT thoracic aorta diagnosed a ruptured mycotic aortic pseudoaneurysm of the descending aorta, forming a life threating aorto-esophageal fistula secondary to neoplasm. Due to the high risk of fatal haemorrhage, she underwent successful emergency thoracic endovascular aortic repair (TEVAR). Mycotic aortic pseudoaneurysms are a rare and often fatal complication of esophageal carcinomas. They represent a small s

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Fu, Congrui, Na Li, Yujia Yuan, et al. "Chronic intermittent hypobaric hypoxia provides vascular protection in the aorta of the 2-kidney, 1-clip rat model of hypertension." Canadian Journal of Physiology and Pharmacology 96, no. 8 (2018): 807–14. http://dx.doi.org/10.1139/cjpp-2017-0356.

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Many studies have demonstrated that chronic intermittent hypobaric hypoxia (CIHH) can reduce blood pressure in spontaneously hypertensive rats and renovascular hypertensive (RVH) rats in which endothelial dysfunction is determined as a critical factor. However, whether CIHH can regulate vasodilation of the aorta in RVH rats remains unknown. The purpose of this study was to investigate the effect of CIHH on impaired relaxation of the aorta in the 2-kidney, 1-clip (2K1C) RVH rat model. The results showed CIHH improved the impaired endothelium-dependent relaxation in the 2K1C rat aorta. The endot

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Samokhvalova, Tamara V., Yuri A. Kim, Antonia F. Korystova, Ludmila N. Kublik, Vera V. Shaposhnikova, and Yuri N. Korystov. "(+)-Catechin Stereoisomer and Gallate Induce Oxidative Stress in Rat Aorta." Molecules 27, no. 11 (2022): 3379. http://dx.doi.org/10.3390/molecules27113379.

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The goal of the work was to study changes in the activity of the angiotensin-converting enzyme (ACE) and production of reactive oxygen species (ROS) in the aorta of rats after the intraperitoneal injection of stereoisomers of catechin and gallate. The activity of ACE in the aorta sections was determined by measuring the hydrolysis of hippuryl-l-histidyl-l-leucine. The production of ROS in the aorta sections was estimated from the oxidation of dichlorodihydrofluorescein. The time and dose dependences of the effect of catechin stereoisomers and gallate on ACE activity and ROS production in the a

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Doroshenko, Olga V., Alex G. Kuchumov, Mikhail V. Golub, et al. "Investigation of Relationship between Hemodynamic and Morphometric Characteristics of Aortas in Pediatric Patients." Journal of Clinical Medicine 13, no. 17 (2024): 5141. http://dx.doi.org/10.3390/jcm13175141.

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Background: The utilization of hemodynamic parameters, whose estimation is often cumbersome, can fasten diagnostics and decision-making related to congenital heart diseases. The main goal of this study is to investigate the relationship between hemodynamic and morphometric features of the thoracic aorta and to construct corresponding predictive models. Methods: Multi-slice spiral computed tomography images of the aortas of patients with coarctation diagnoses and patients without cardiac or vascular diseases were evaluated to obtain numerical models of the aorta and branches of the aortic arch.

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Breitwieser, C., P. Asbach, M. Sachs, P. Rogalla, and J. Rodenwaldt. "Posterior “nutcracker” phenomenon: hemodynamic relevant aorto‐retroaortal renal vein fistula leading to fatal right heart failure." Acta Radiologica 46, no. 2 (2005): 193–95. http://dx.doi.org/10.1080/02841850510020923.

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A rare complication of an aneurysm of the abdominal aorta is the so‐called “posterior nutcracker phenomenon”, which describes compression of a retroaortal renal vein between the abdominal aorta and the vertebral column. The clinical presentation is flank pain and hematuria, which are usually caused by a renal (respectively ureteral) calculus or neoplasia. Another rare differential diagnosis for these very common clinical symptoms is an aorto‐left renal vein fistula (ALRVF), which is a spontaneous vascular fistula, usually also associated with an aortic aneurysm, infrequently a result of abdomi

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Vaishnani, Bhavesh V., and Abhin Ashok. "Laparoscopic duodenojejunostomy in a patient with superior mesenteric artery syndrome." International Surgery Journal 12, no. 4 (2025): 641–44. https://doi.org/10.18203/2349-2902.isj20250829.

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SMA syndrome is a rare occlusive vascular disease small bowel obstruction due to compression of 3rd part of duodenum between aorta and SMA. The patient usually presents with duodenal obstruction signs such as bilious vomiting, rapid weight loss. We present a case of a 23-years-old male patient with symptoms of GI obstruction. The radiological investigations revealed obstruction of 3rd part of duodenum between superior mesenteric artery and aorta with reduced aorto-SMA angle. After no significant improvement with conservative management was seen, the patient underwent laparoscopic duodenojejuno

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Aljassam, Yousef, Froso Sophocleous, Jan L. Bruse, Vico Schot, Massimo Caputo, and Giovanni Biglino. "Machine Learning and Statistical Shape Modelling Methodologies to Assess Vascular Morphology before and after Aortic Valve Replacement." Journal of Clinical Medicine 13, no. 15 (2024): 4577. http://dx.doi.org/10.3390/jcm13154577.

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Introduction: Statistical shape modelling (SSM) is used to analyse morphology, discover qualitatively and quantitatively unique shape features within a population, and generate mean shapes and shape modes that show morphological variability. Hierarchical agglomerative clustering is a machine learning analysis used to identify subgroups within a given population in relation to shape features. We tested the application of both methods in the clinically relevant scenario of patients undergoing aortic valve repair (AVR). Every year, around 5000 patients undergo surgical AVR in the UK. Aims: Evalua

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Sigua, Badri V., Vyacheslav P. Zemlyanoy, Andrey S. Kachiuri, Kirill V. Fetisov, Evgeni A. Zakharov, and Vyacheslav A. Melnikov. "New modification of the Albrecht–Staveley operation for treating aorto-mesenteric compression of the duodenum." HERALD of North-Western State Medical University named after I.I. Mechnikov 12, no. 1 (2020): 79–84. http://dx.doi.org/10.17816/mechnikov202012179-84.

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Aorto-mesenteric compression of the duodenum (Wilkie syndrome, upper mesenteric artery syndrome) is one of the causes of chronic duodenal obstruction. This condition is caused by compression of the horizontal branch of the duodenum between the abdominal aorta and the superior mesenteric artery, departing from the aorta at an acute angle. Among the causes of this pathological condition, an asthenic physique, pronounced weight loss in a short period of time, and others are distinguished. Currently, the main component of eliminating aorto-mesenteric compression is surgical intervention. Among oth

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Nguy, Lisa, Holger Nilsson, Jaana Lundgren, et al. "Vascular function in rats with adenine-induced chronic renal failure." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 302, no. 12 (2012): R1426—R1435. http://dx.doi.org/10.1152/ajpregu.00696.2011.

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The aim of the present study was to characterize the function of resistance arteries, and the aorta, in rats with adenine-induced chronic renal failure (A-CRF). Sprague-Dawley rats were randomized to chow with or without adenine supplementation. After 6–10 wk, mesenteric arteries and thoracic aortas were analyzed ex vivo by wire myography. Plasma creatinine concentrations were elevated twofold at 2 wk, and eight-fold at the time of death in A-CRF animals. Ambulatory systolic and diastolic blood pressures measured by radiotelemetry were significantly elevated in A-CRF animals from week 3 and on

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Chammas, Majid, Jon Robken, Dale Geiss, and Nicolas Shammas. "Percutaneous Closure of the Aorto-Ostial Origin of a Coronary Artery Saphenous Bypass Graft with a Large Pseudoaneurysm Using the AMPLATZER Muscular Ventricular Septal Defect Occluder." International Journal of Angiology 26, no. 03 (2016): 196–200. http://dx.doi.org/10.1055/s-0036-1593446.

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AbstractWe report the case of a 76-year-old male patient with a history of coronary artery bypass graft surgery presented with a large pseudoaneurysm emerging from a previously occluded saphenous bypass graft (SVG). A largely contained hematoma is seen in the mediastinum on computed tomography angiography (CTA) of the chest. Flow was seen from the ascending aorta into the pseudoaneurysm through the aorto-ostial opening of the bypass graft. Closure of the aorto-ostial origin of the graft was performed using the AMPLATZER muscular ventricular septal defect (VSD) occluder (St Jude's Medical, St.

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MAEDA, Seiji, Takashi MIYAUCHI, Motoyuki IEMITSU, et al. "Effects of exercise training on expression of endothelin-1 mRNA in the aorta of aged rats." Clinical Science 103, s2002 (2002): 118S—123S. http://dx.doi.org/10.1042/cs103s118s.

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Aging impairs endothelial function and the vascular tone regulation, although the precise mechanism remains unclear. Endothelin-1 (ET-1) is a potent vasoconstrictor peptide produced by vascular endothelial cells. Because ET-1 has a potent vasoconstrictor effect on vessels, it may be involved in the regulation of vascular tonus. We hypothesized that aging causes a decrease in ET-1 expression in aorta, and that exercise training improves the aging-induced decrease in ET-1 expression in aorta. This study was performed to examine whether gene expression of ET-1 in the aorta of rats is altered by a

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Arudchelvam, J., H. F. D. G. D. Fonseka, G. P. Jayantha, U. Wanigasiri, R. Cassim, and M. Wijeyaratne. "Thoracic aortic dimensions in a Sri Lankan cohort; a computerized tomography-based study." Sri Lanka Journal of Surgery 43, no. 1 (2025): 9–11. https://doi.org/10.4038/sljs.v43i1.9118.

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Introduction: In adults the Thoracic aorta (TA) begins from the ascending aorta at the level of the manubrio sternal joint and arches backward and to the left over the left main bronchus and ends at the level of 4th thoracic vertebra. From this level it continues as descending thoracic aorta (DTA). The TA diameter decreases progressively from the ascending aorta (ASA) to the DTA. In addition the diameter of the TA also varies according to the age, gender and race. It is believed that diameters of the arteries including the thoracic aorta may be smaller in Sri Lankan population. Therefore this

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Xuan, Yan Jiao, Yu Chang, Bin Gao, and Kai Yun Gu. "Effect of Continuous Arterial Blood Flow of Intra-Aorta Pump on the Aorta - A Computational Study." Applied Mechanics and Materials 275-277 (January 2013): 672–76. http://dx.doi.org/10.4028/www.scientific.net/amm.275-277.672.

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In this study, a computational fluid dynamics (CFD) study based on a finite element method (FEM) was performed for the human aorta with four different flow time patterns (healthy to full intra-aorta pump support). Fully coupled fluid-solid interaction (FSI) simulation was used to investigate the flow profiles in the aortic arch and its branches where the maximum disturbed and non-uniform flow patterns, and the wall shear stress profiles on the same areas. The blood flow was assumed as a homogeneous, incompressible, and Newtonian fluid flow. Flow across four inlets of aortas was derived from a

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Deider, S., P. Theissen, K. Neufang, H. Schmidt, and U. Sechtem. "Aorto-bronchiale Fistel nach prothetischem Ersatz der Aorta descendens." RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren 151, no. 12 (1989): 735–37. http://dx.doi.org/10.1055/s-2008-1047278.

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Pacheco Calvente, A., J. Ortega Mariscal, C. Bernal Bellido, and J. Ponce González. "Fístula aorto-cava en aneurisma de aorta abdominal roto." Revista Clínica Española 201, no. 11 (2001): 669–70. http://dx.doi.org/10.1016/s0014-2565(01)70943-5.

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Basek, I. V., and N. N. Berezkina. "THE ROLE OF MDCT ANGOIGRAPHY IN THE DIAGNOSIS OF TAKAYASU ARTERITIS. CASE REPORT." Translational Medicine 5, no. 6 (2019): 51–57. http://dx.doi.org/10.18705/2311-4495-2018-5-6-51-57.

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Takayasu’s disease (non-specific aorto-arteritis) is a chronic, idiopathic, inflammatory disease that primarily affects large vessels, such as the aorta and its major branches, including the pulmonary and coronary arteries. It often develops in women under the age of 50 years. Accurate and early diagnosis plays an important role in the prognosis of life in patients with this pathology. Complaints of patients with lesions of the aorta and its branches are non-specific in nature and are characterized by fever, night sweats, malaise and arthralgia, passing under the “mask” of other diseases. With

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