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https://www.readbyqxmd.com/read/29051823/giant-cell-aortitis-leading-to-stanford-type-b-and-type-a-aortic-dissection
#1
Ahmed El-Medany, W Wallace, E Mcrorie, Sy Tan, K Lim
This report provides a rare histological example and the appropriate management of spontaneous aortic dissection secondary to giant cell arteritis.
October 2017: JRSM Open
https://www.readbyqxmd.com/read/29050867/acute-type-a-aortic-dissection-in-a-patient-with-paraganglioma
#2
Andreia Dos Santos Borrego, Pedro Carrilho Ferreira, Fausto J Pinto
Acute aortic dissection is the most common acute aortic syndrome. It is more prevalent in males and in the elderly, and has a high mortality. Hypertension is the main risk factor. Diagnosis is based on clinical features, laboratory tests and imaging exams. Treatment is usually surgical, although in some cases an endovascular approach is an alternative. Paraganglioma is an uncommon neuroendocrine tumor. Most produce catecholamines, and so usually manifest with hypertensive crisis, palpitations, headache and sweating...
October 16, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29049833/intramurally-spreading-aortic-intimal-sarcoma-masquerading-as-ruptured-aortic-dissection
#3
Masaki Yamamoto, Makoto Hiroi, Tatsuya Noguchi, Kazumasa Orihashi
Preoperative diagnosis of aortic sarcomas is often difficult. Herein, we describe a case of a 68-year-old man who had an aortic intimal sarcoma with aortic wall hypertrophy that masqueraded as a thrombosed aortic dissection or mural thrombus on computed tomography. Because of the sudden appearance and rapid growth of the tumour surrounding the left subclavian artery with precordial pain and haemosputum, left subclavian arterial rupture caused by aortic dissection was suspected, requiring emergent total arch replacement...
September 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049830/acute-debakey-type-i-aortic-dissection-without-intimal-tear-in-the-arch-is-total-arch-replacement-the-right-choice
#4
Andrea Colli, Massimiliano Carrozzini, Annalisa Francescato, Marco Galuppo, Marina Comisso, Francesca Toto, Dario Gregori, Gino Gerosa
OBJECTIVES: Surgical management of acute DeBakey Type I aortic dissection without intimal tear in the aortic arch is controversial. This study compared short- and long-term outcomes of total arch replacement (TAR) versus limited ascending aorta/hemiarch replacement (no-TAR) in a consecutive series of patients. METHODS: Between January 1998 and December 2015, 220 consecutive patients were operated for DeBakey Type I acute aortic dissection; 135 cases did not exhibit an intimal entry tear in the aortic arch and were subsequently selected to comprise the primary study cohort...
July 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049816/triple-ultrasonography-for-iatrogenic-acute-aortic-dissection-caused-by-axillary-arterial-perfusion
#5
Masaki Yamamoto, Hideaki Nishimori, Miwa Tashiro, Kazumasa Orihashi
Iatrogenic aortic dissection caused by axillary arterial cannulation or perfusion becomes a fatal complication of cardiopulmonary bypass when surgeons do not recognize it in the surgical field of view immediately during surgery. Therefore, we routinely monitor the aorta using 'triple ultrasonography' during cardiovascular surgery. An 85-year-old woman underwent partial arch replacement for chronic type A aortic dissection. During cardiopulmonary bypass, acute aortic dissection was observed in the aortic arch from the right axillary artery on real-time transoesophageal echocardiography...
July 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049807/impact-of-initial-aortic-diameter-and-false-lumen-area-ratio-on-type-b-aortic-dissection-prognosis
#6
Akihito Matsushita, Takashi Hattori, Yu Tsunoda, Yasunori Sato, Wahei Mihara
OBJECTIVES: Medical treatment is the gold standard for uncomplicated acute Type B aortic dissection (ATBAD). Although endovascular treatment could become an alternative therapy, it is unclear which ATBAD patients should undergo endovascular intervention. We aimed to evaluate the outcomes of patients with uncomplicated ATBAD and identify the risk factors for major adverse events. METHODS: We retrospectively reviewed 134 consecutive patients who underwent initial treatment for uncomplicated ATBAD between 2004 and 2015...
October 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049754/management-of-retrograde-intraoperative-type-a-aortic-dissection-from-descending-thoracic-aortic-injury
#7
Whitney E Hornsby, William Weir, Minhaj Khaja, Bo Yang
Intraoperative Type A aortic dissection during cardiothoracic surgery is extremely rare, but the consequences can be fatal. We report 2 case summaries of retrograde intraoperative Type A aortic dissection from descending thoracic aortic injury during ascending aortic cannulation and provide a discussion on management.
August 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049713/clampless-myocardial-revascularization-on-a-healed-iatrogenic-aortic-dissection
#8
Jean-David Blossier, Fanny Gabrysz-Forget, Victor-Xavier Tadros, Louis P Perrault
Iatrogenic aortic dissection is an infrequent complication of cardiac catheterization (0.03-0.06%) associated with up to 19% of mortality at 30 days. It was reported to mostly occur when using a 6-Fr guiding catheter to cannulate the right coronary artery. This life-threatening complication usually requires early surgical management and close imaging monitoring and control of systolic blood pressure. This case report describes a patient with iatrogenic aortic dissection during cardiac catheterization in symptomatic coronary artery disease...
September 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049664/acute-type-i-aortic-dissection-a-propensity-matched-comparison-of-elephant-trunk-and-arch-debranching-repairs
#9
Mingjia Ma, Xin Feng, Jing Wang, Yiming Dong, Taiqiang Chen, Ligang Liu, Xiang Wei
OBJECTIVES: Our goal was to compare the performance of the frozen elephant trunk (FET) and the hybrid aortic arch debranching procedures for acute Type I aortic dissection. METHODS: From January 2013 to December 2015, 168 patients with Type I aortic disease underwent ascending aorta and total aortic arch replacement with FET implantation (the FET group, n  = 132) or arch debranching with 1-stage aortic arch exclusion using an endovascular stent in a retrograde manner (the debranching group, n  = 36)...
September 11, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049534/high-frequency-percussive-ventilation-in-cardiac-surgery-patients-failing-mechanical-conventional-ventilation
#10
Ivan Wong, Berhane Worku, Jeremy A Weingarten, Alexander Ivanov, Felix Khusid, Ashwad Afzal, Robert F Tranbaugh, Iosif Gulkarov
OBJECTIVES: Failure of mechanical conventional ventilation (MCV) after cardiac surgery portends a dismal prognosis, with extracorporeal membrane oxygenation frequently utilized as a salvage therapy. We describe our experience with high-frequency percussive ventilation (HFPV) as a rescue therapy for hypoxaemia refractory to MCV after cardiac surgery. METHODS: In a 6-year retrospective analysis from 2009 to 2015, we identified 16 subjects who required HFPV after cardiac surgery...
July 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049529/a-novel-method-for-prevention-of-stent-graft-induced-distal-re-dissection-after-thoracic-endovascular-aortic-repair-for-type-b-aortic-dissection
#11
Kenta Masada, Kazuo Shimamura, Tomohiko Sakamoto, Tomoaki Kudo, Takayuki Shijo, Koichi Maeda, Kei Torikai, Toru Kuratani, Yoshiki Sawa
OBJECTIVES: Stent graft-induced distal re-dissection (SIDR) is a burdensome complication after thoracic endovascular aortic repair (TEVAR) for Type B aortic dissection. We developed a novel method to prevent SIDR by placing a small-diameter short stent graft [Excluder Aortic Extender (Cuff)] at the distal landing zone (DLZ) and reviewed its effectiveness in this study. METHODS: Ninety patients who underwent TEVAR for Type B aortic dissection using commercially available devices between January 2008 and September 2016 were retrospectively reviewed...
July 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29042100/limited-root-repair-in-acute-type-a-aortic-dissection-is-safe-but-results-in-increased-risk-of-reoperation
#12
Peter Chiu, Jeffrey Trojan, Sarah Tsou, Andrew B Goldstone, Y Joseph Woo, Michael P Fischbein
OBJECTIVE: Management of the aortic root is a challenge for surgeons treating acute type A aortic dissection. METHODS: We performed a retrospective review of the acute type A aortic dissection experience at Stanford Hospital between 2005 and 2015 and identified patients who underwent either limited root repair or aortic root replacement. Differences in baseline characteristics were balanced with inverse probability weighting to estimate the average treatment effect on the controls...
September 19, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29040313/premature-aortic-smooth-muscle-cell-differentiation-contributes-to-matrix-dysregulation-in-marfan-syndrome
#13
Matthew Dale, Matthew P Fitzgerald, Zhibo Liu, Trevor Meisinger, Andrew Karpisek, Laura N Purcell, Jeffrey S Carson, Paul Harding, Haili Lang, Panagiotis Koutakis, Rishi Batra, Constance J Mietus, George Casale, Iraklis Pipinos, B Timothy Baxter, Wanfen Xiong
Thoracic aortic aneurysm and dissection are life-threatening complications of Marfan syndrome (MFS). Studies of human and mouse aortic samples from late stage MFS demonstrate increased TGF-β activation/signaling and diffuse matrix changes. However, the role of the aortic smooth muscle cell (SMC) phenotype in early aneurysm formation in MFS has yet to be fully elucidated. As our objective, we investigated whether an altered aortic SMC phenotype plays a role in aneurysm formation in MFS. We describe previously unrecognized concordant findings in the aortas of a murine model of MFS, mgR, during a critical and dynamic phase of early development...
2017: PloS One
https://www.readbyqxmd.com/read/29038412/-effects-of-high-frequency-jet-ventilation-on-respiratory-failure-after-total-arch-replacement-due-to-acute-aortic-dissection-with-morbid-obesity-report-of-a-case
#14
Motoyuki Kumagai, Junichiro Nishizawa, Kazuhiro Takatoku, Takashi Ohba
A 55-year-old morbidly obese woman [body mass index (BMI) 51.2] developed acute type A aortic dissection, and she also presented with significant hypoxemia and hypercapnia. She underwent a successful emergency total arch replacement, but severe hypoxemia persisted and Pao2/Fio2 lowered to 71.9 mmHg. We therefore applied high frequency jet ventilation (HFJV), which soon improved the hypoxemia without hemodynamic compromise. HFJV was discontinued three days later, when her Pao2/Fio2 improved to 170.0 mmHg. Weaning from the respirator was initiated on postoperative day 13...
October 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29038411/-emergent-thoracic-endovascular-aortic-repair-and-subxiphoid-pericardiotomy-for-retrograde-type-a-acute-aortic-dissection-with-cardiac-tamponade-report-of-a-case
#15
Masatoshi Sunada, Yusuke Suzuki, Takashi Takano, Hirofumi Midorikawa, Megumu Kanno
Type A acute aortic dissection has a high rate of mortality. Emergent surgical repair is the gold standard treatment, but some patients cannot tolerate the open surgery. Here, we report an 82-year-old patient with a history of cerebral infarction and cerebral bleeding who presented with a depressed level of consciousness and who was in a state of shock. A computed tomography (CT) scan showed cardiac tamponade associated with retrograde type A aortic dissection(RAAD), with a primary entry tear at a distal site of the left subclavian artery...
October 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29038407/-technique-to-reinforce-double-barreled-distal-aortic-anastomosis-in-the-repair-of-aortic-dissection
#16
Yoshiei Shimamura, Kazuma Maisawa
We describe a technique to reinforce a double-barreled aortic anastomosis in the repair of chronic aortic dissection. After distal aortic resection was carried out, an intimal flap was incised lineally 1 cm in width along with its margin. This intimal band was reapproximated to the adventitia which supported the false lumen. The wedge-shaped excision was made on the residual intimal flap to maintain blood flow to both the true and false lumens. Two felt strips were circumferentially placed inside and outside of the aortic edge, and the layers were sandwiched together with monofilament sutures...
October 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29036197/morphometric-measurements-of-systemic-atherosclerosis-and-visceral-fat-evidence-from-an-autopsy-study
#17
Aline Nishizawa, Claudia K Suemoto, Daniela S Farias-Itao, Fernanda M Campos, Karen C S Silva, Marcio S Bittencourt, Lea T Grinberg, Renata E P Leite, Renata E L Ferretti-Rebustini, Jose M Farfel, Wilson Jacob-Filho, Carlos A Pasqualucci
BACKGROUND: Morphometric measurements of systemic atherosclerosis and direct quantification of visceral fat are only possible using materials from autopsy studies. However, the few autopsy studies that have investigated the association of visceral fat with atherosclerosis had small sample sizes and focused on coronary arteries of young or middle-aged White subjects. We aimed to investigate the association of pericardial fat (PF) and abdominal visceral fat (AVF) with atherosclerosis in the aorta, coronary, carotid, and cerebral arteries in a large autopsy study...
2017: PloS One
https://www.readbyqxmd.com/read/29034037/characteristics-of-abdominal-aortic-aneurysm-in-japanese-patients-aged-50-years-or-younger
#18
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/29034028/endovascular-treatment-for-kommerell-s-diverticulum-with-a-right-sided-aortic-arch
#19
Masanori Hara, Takeshiro Fujii, Muneyasu Kawasaki, Tomoyuki Katayanagi, Shinnosuke Okuma, Noritsugu Shiono, Keiichi Tokuhiro, Yoshinori Watanabe
We report a rare case of type A dissection involving a right-sided aortic arch with an aberrant left subclavian artery originating from Kommerell's diverticulum in a 76-year-old woman. Endovascular treatment for Kommerell's diverticulum including intimal tear of the dissection was performed. At the 5-year follow-up, the patient was doing well, with no endoleak or dilatation of the Kommerell's diverticulum.
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034023/retrograde-ascending-aortic-dissection-after-stent-grafting-for-stanford-type-b-aortic-dissection-with-severe-limb-ischemia
#20
Yoshiro Higuchi, Masato Tochii, Yoshiyuki Takami, Akihiro Kobayashi, Tsutomu Yanagisawa, Kentaro Amano, Yusuke Sakurai, Michiko Ishida, Hiroshi Ishikawa, Koji Hattori, Yasushi Takagi
We report a rare case of retrograde Stanford type A aortic dissection after endovascular repair for complicated Stanford type B aortic dissection. A 45-year-old man presented with a sudden onset of back pain and was transferred to our hospital. Computed tomography demonstrated acute Stanford type B aortic dissection with lower limb ischemia. Emergency endovascular surgery was planned for repair of the Stanford type B aortic dissection. The patient suddenly developed recurrent chest pain 10 days after the initial procedure...
March 24, 2017: Annals of Vascular Diseases
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