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Aortic occlusion

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https://www.readbyqxmd.com/read/29147154/successful-embolization-therapy-through-reentry-tear-in-the-right-subclavian-artery-for-treating-patent-false-lumen-in-the-aortic-arch-formed-after-type-a-dissection-repair
#1
Hirohito Ishii, Kunihide Nakamura, Eisaku Nakamura, Koji Furukawa, Kouichiro Ochiai
A 73-year-old woman had undergone hemiarch replacement with primary entry resection for treating acute type A dissection 6 years ago. Postoperative computed tomography (CT) showed a patent false lumen (FL) in the aortic arch and a reentry tear in the right subclavian artery. The remaining aortic arch enlarged, which resulted in formation of a 55-mm-diameter aneurysm. We performed reentry occlusion using embolization with glue and coil. The patient's clinical course after the procedure was uneventful, and subsequent CT showed that FL was thrombosed and had decreased in size...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29143378/management-of-coronary-obstruction-following-transcatheter-aortic-valve-replacement
#2
REVIEW
Ibrahim Sultan, Mary Siki, Tyler Wallen, Wilson Szeto, Prashanth Vallabhajosyula
Although occlusion of the coronary arteries during transcatheter aortic valve replacement is rare, the mortality is high. In this review, we discuss the prevention and management of this complication. Occlusion of coronary ostia is a very rare, but serious, complication of transcatheter aortic valve replacement (TAVR). Although reported as only occurring in <1% of TAVR cases, it carries a high risk of fatality, with some series reporting a mortality rate as high as 40%. We present the management of an occluded left coronary artery after a self-expanding TAVR, and review the incidence, prevention, and management of this complication...
November 16, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29142494/endovascular-treatment-of-abdominal-aortic-aneurysm-with-complete-iliac-occlusion-case-series-and-literature-review
#3
Randall W Franz, M Taha Ibrahim, Christopher F Tanga, David A Epstein
In patients with abdominal aortic aneurysms (AAA) and complete iliac occlusion, endovascular aortic aneurysm repair (EVAR) using a bifurcated stent graft has clear advantages over aortouniiliac stent grafts. Bifurcated stent grafts had improved hemodynamic flow and increased primary and secondary patency rates compared with aortouniiliac stent grafts. The use of aortouniiliac stent grafts with femorofemoral crossover bypass is associated with complications including infection of the prosthesis, steal phenomenon, and the associated difficulties for further endovascular access at the site of the femoral anastomosis...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29130941/remote-ischemia-preconditioning-attenuates-blood-spinal-cord-barrier-breakdown-in-rats-undergoing-spinal-cord-ischemia-reperfusion-injury-associated-with-activation-and-upregulation-of-cb1-and-cb2-receptors
#4
Na Jing, Bo Fang, Zhi-Lin Wang, Hong Ma
BACKGROUND/AIMS: Remote ischemic preconditioning (RIPC) has protective effects on spinal cord ischemia reperfusion (I/R) injury, but the potential mechanisms remain unclear. In our study, the effects and underlying mechanisms of RIPC on blood-spinal cord barrier (BSCB) breakdown following I/R injury were investigated. METHODS: animals underwent intraperitoneal administration with cannabinoid-1 (CB1) receptor antagonist AM251, cannabinoid-2 (CB2) receptor antagonist AM630 or vehicle 15 minutes before three 3-minute occlusion-reperfusion cycles on the right femoral artery or a sham operation...
October 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29120976/case-report-masquerading-large-vessel-giant-cell-arteritis
#5
Paul Jacquier, Raphael Wuarin, Carlo Chizzolini, Gabriele Thumann, Heimo Steffen, Argyrios Chronopoulos
SIGNIFICANCE: Large-vessel giant cell arteritis (GCA) can be a diagnostic dilemma for the eye care provider because it may not involve the typical cranial arteries. When any of its potential ocular complications are diagnosed, it is important to consider this unusual form of GCA. PURPOSE: To report an unusual ophthalmic presentation of large-vessel GCA with sequential bilateral anterior ischemic optic neuropathy and branch retinal artery occlusion. METHODS: A 65-year-old previously healthy woman experienced sequential bilateral anterior ischemic optic neuropathy with branch retinal artery occlusion in the absence of other signs and symptoms suggestive of cranial GCA...
November 9, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29119448/total-aortic-arch-replacement-using-frozen-elephant-trunk-technique-with-j-graft-open-stent-graft-for-distal-aortic-arch-aneurysm
#6
Shigeki Koizumi, Atsushi Nagasawa, Tadaaki Koyama
OBJECTIVES: The J Graft Open Stent Graft, the first commercialized stent graft in Japan, has been available since February 2014, and we have used this new device as a frozen elephant trunk technique for distal aortic arch aneurysm. Here, we present our surgical method and result with this new device. METHODS: Between October 2014 and October 2016, 30 patients (26 males, mean age 74.3 ± 9.7 years) underwent total aortic arch replacement using the frozen elephant trunk technique with the J Graft Open Stent Graft for distal aortic arch aneurysm...
November 8, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29119033/the-utility-of-mri-in-the-diagnosis-of-takayasu-arteritis
#7
Marian Gaballah, Rachelle Goldfisher, John B Amodio
Takayasu Arteritis (TA) is an inflammatory disorder involving the thoracoabdominal aorta and its branches and the pulmonary arteries, with eventual vascular stenosis, occlusion, or aneurysm formation. Conventional angiography has been the reference imaging standard for diagnosis of TA. The purpose of this case report is to demonstrate the utility of MR imaging and MR angiography in the diagnosis of Takayasu Arteritis in a pediatric patient. The patient is a 15-year-old female patient presenting with anemia, hypertension, and acute kidney injury...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29104196/-ascending-aortic-thrombus-recognized-by-acute-brachial-arterial-occlusion
#8
Kohei Miyashita, Kazuki Kihara, Hideaki Nishimori, Takashi Fukutomi, Nobuyuki Hirose, Masaki Yamamoto, Miwa Tashiro, Kazumasa Orihashi
We report a case of ascending aortic thrombus with acute arterial occlusion of the brachial artery. A 49-year-old woman had sudden pain in her right arm due to acute occlusion of the right brachial artery. Contrast-enhanced computed tomography and echocardiography revealed a large mobile thrombus in the ascending aorta, which prompted surgical intervention. The thrombi were removed via aortotomy under circulatory arrest. Trans-esophageal echocardiography was useful for watching a potential detachment of the thrombus in the aorta during surgical manipulations or systemic perfusion...
November 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29103887/thrombosis-after-aortic-balloon-occlusion-during-cesarean-delivery-for-abnormally-invasive-placenta
#9
F Luo, Z Wu, J Mei, J Yue, X Yu, L Xie
BACKGROUND: Abnormally invasive placenta is a major cause of postpartum hemorrhage and cesarean hysterectomy. An increasing number of obstetricians worldwide employ prophylactic aortic balloon occlusion to manage bleeding during cesarean delivery in these patients. However, the safety of this procedure in pregnant women has not been confirmed. METHODS: The clinical records of patients who were suspected of having abnormally invasive placenta and who received prophylactic aortic balloon catheterization before cesarean delivery were retrospectively studied for thrombotic complications...
September 22, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29102344/clinical-outcomes-of-coronary-occlusion-following-transcatheter-aortic-valve-replacement-a-systematic-review
#10
REVIEW
Oluwaseun A Akinseye, Sunil K Jha, Uzoma N Ibebuogu
BACKGROUND: Coronary occlusion (CO) is a rare but serious complication following transcatheter aortic valve replacement (TAVR) with limited published data. We sought to evaluate the immediate and short-term outcomes of CO complicating TAVR. METHODS: Studies, including case reports, case series and original articles published from 2002 to 2016 describing CO following TAVR were identified with a systematic electronic search using the PRISMA Statement. Only studies reporting data on demographic and procedural characteristics, management and follow up outcomes were analyzed...
September 12, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29101953/catheterization-laboratory-structural-heart-disease-devices-and-transcatheter-aortic-valve-replacement
#11
REVIEW
Paul N Fiorilli, Saif Anwaruddin, Elizabeth Zhou, Ronak Shah
The cardiac catheterization laboratory is advancing medicine by performing procedures on patients who would usually require sternotomy and cardiopulmonary bypass. These procedures are done percutaneously, allowing them to be performed on patients considered inoperable. Patients have compromised cardiovascular function or advanced age. An anesthesiologist is essential for these procedures in case of hemodynamic compromise. Interventionalists are becoming more familiar with transcatheter aortic valve replacement and the device has become smaller, both contributing to less complications...
December 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/29099428/neuroprotective-effects-of-fasudil-a-rho-kinase-inhibitor-after-spinal-cord-ischemia-and-reperfusion-in-rats
#12
Masahiko Ohbuchi, Tetsu Kimura, Toshiaki Nishikawa, Takashi Horiguchi, Masayuki Fukuda, Yoko Masaki
BACKGROUND: Excessive Rho/Rho-kinase pathway activation occurs subsequent to stroke. We examined the neuroprotective effects of pre- and posttreatment with fasudil (a Rho-kinase inhibitor) in a rat transient spinal cord ischemia-reperfusion model under normothermic conditions. METHODS: After approval by our animal research committee, male Sprague-Dawley rats were assigned to 1 of 6 groups: pre- and postcontrol (C); pre- and postfasudil (F); and pre- and postsham (S)...
November 1, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29097346/preliminary-experience-with-the-use-of-ultra-low-profile-endografts
#13
Daniela Mazzaccaro, Giovanni Malacrida, Bruno Amato, Salvatore Alessio Angileri, Anna Maria Ierardi, Giovanni Nano
PURPOSE: We aimed to report a preliminary single-center experience of elective endovascular aortic repair (EVAR) using ultra-low profile (ULP) endografts of 14 F outer diameter. METHODS: Data of 67 consecutive patients who underwent EVAR using either Ovation (group A, n=30) or Incraft (group B, n=37) endografts were retrospectively analyzed. RESULTS: Aorto-iliac anatomy was significantly different between the two groups, as patients of group A had a greater thrombotic apposition on proximal aortic neck (thrombus thickness: 7...
November 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/29097044/standard-off-the-shelf-multibranched-thoracoabdominal-endograft-in-urgent-and-elective-patients-with-single-and-staged-procedures-in-a-multicenter-experience
#14
Roberto Silingardi, Stefano Gennai, Nicola Leone, Mauro Gargiulo, Gianluca Faggioli, Piergiorgio Cao, Fabio Verzini, Arnaldo Ippoliti, Nicola Tusini, Carmelo Ricci, Michele Antonello, Roberto Chiesa, Enrico Maria Marone, Nicola Mangialardi, Francesco Speziale, Gian Franco Veraldi, Stefano Bonardelli, Luigi Marcheselli
OBJECTIVE: The objective of this study was to assess immediate and midterm outcomes for urgent/emergent and elective patients with thoracoabdominal aortic aneurysms (TAAAs) treated with the first commercially available "off-the-shelf" multibranched endograft for endovascular aneurysm repair, with a single-step or a staged surgical approach. METHODS: A multicenter, nonrandomized, retrospective study was conducted of TAAA patients grouped by urgent/emergent and elective treatment with multibranched endograft for endovascular aneurysm repair at 13 Italian centers from November 2012 to August 2016...
October 31, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29094424/fetal-sheep-central-hemodynamics-and-cardiac-function-during-ascending-aorta-occlusion
#15
Heikki Huhta, Juulia Junno, Mervi Haapsamo, Tiina Erkinaro, Pasi Ohtonen, Lowell E Davis, A Roger Hohimer, Ganesh Acharya, Juha Rasanen
Fetal aortic isthmus (AoI) allows communication between left (LV) and right (RV) ventricular outputs and represents arterial watershed between the brachiocephalic (brain) and subdiaphragmatic (placenta) circulations. To understand the capability of AoI to maintain the balance between upper and lower body circulations, we performed a complete fetal ascending aorta occlusion in 9 chronically instrumented sheep at near term gestation. We hypothesized that the occlusion would significantly decrease LV output and concomitantly increase RV output in order to maintain adequate systemic cardiac output and perfusion pressure to the fetal brain circulation through retrograde filling of the AoI...
November 2, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/29074111/polar-orientation-of-renal-grafts-within-the-proximal-seal-zone-affects-risk-of-early-type-ia-endoleaks-after-chimney-endovascular-aneurysm-repair
#16
Kenneth Tran, Brant W Ullery, Nathan Itoga, Jason T Lee
OBJECTIVE: The objective of this study was to describe the polar orientation of renal chimney grafts within the proximal seal zone and to determine whether graft orientation is associated with early type Ia endoleak or renal graft compression after chimney endovascular aneurysm repair (ch-EVAR). METHODS: Patients who underwent ch-EVAR with at least one renal chimney graft from 2009 to 2015 were included in this analysis. Centerline three-dimensional reconstructions were used to analyze postoperative computed tomography scans...
October 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29068132/ostial-right-coronary-chronic-total-occlusion-transesophageal-echocardiographic-guidance-for-retrograde-aortic-re-entry
#17
Frank E Corrigan, Dimitrios Karmpaliotis, Habib Samady, Stamatios Lerakis
As antegrade options are limited, intervention upon the ostial right coronary artery (RCA) chronic total occlusion (CTO) warrants a retrograde approach. Landmarks for an aggressive approach are concerning as passage of stiff guidewires or electrocautery near the RCA ostium may result in wire passage into structures other than the aorta. We report the first use of transesophageal echocardiography (TEE) to assist retrograde passage of a guidewire into the aorta. For the ostial RCA CTO, TEE guidance may be considered to assist retrograde passage of aggressive guidewires into the aorta...
October 25, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29066079/diagnosis-of-aortic-dissection-presenting-as-st-elevation-myocardial-infarction-using-point-of-care-ultrasound
#18
Jordan Chenkin
BACKGROUND: Aortic dissections can present with a broad spectrum of signs and symptoms, making them difficult to diagnose in the emergency department (ED). Aortic dissections can cause occlusion of the coronary arteries, mimicking an acute ST-elevation myocardial infarction (STEMI). Emergency point-of-care ultrasound (POCUS) may be a useful diagnostic tool to help differentiate aortic dissection from a primary myocardial infarction. CASE REPORT: A 69-year-old man with no medical history presented to our ED complaining of chest pain...
October 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29061187/elevated-microrna-129-5p-level-ameliorates-neuroinflammation-and-blood-spinal-cord-barrier-damage-after-ischemia-reperfusion-by-inhibiting-hmgb1-and-the-tlr3-cytokine-pathway
#19
Xiao-Qian Li, Feng-Shou Chen, Wen-Fei Tan, Bo Fang, Zai-Li Zhang, Hong Ma
BACKGROUND: Ischemia-reperfusion (IR) affects microRNA (miR) expression and causes substantial inflammation. Multiple roles of the tumor suppressor miR-129-5p in cerebral IR have recently been reported, but its functions in the spinal cord are unclear. Here, we investigated the role of miR-129-5p after spinal cord IR, particularly in regulating high-mobility group box-1 (HMGB1) and the Toll-like receptor (TLR)-3 pathway. METHODS: Ischemia was induced via 5-min occlusion of the aortic arch...
October 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29056350/late-patency-of-reconstructed-visceral-arteries-after-open-repair-of-thoracoabdominal-aortic-aneurysm
#20
Andrea Kahlberg, Angela M R Ferrante, Riccardo Miloro, Daniele Mascia, Luca Bertoglio, Domenico Baccellieri, Germano Melissano, Roberto Chiesa
BACKGROUND: In the era of rising endovascular treatment of thoracoabdominal aortic aneurysms (TAAAs), the analysis of visceral vessel (VV) patency after open surgical repair is crucial to provide a future benchmark between these different approaches. This study reports the late outcomes of a single-center experience with open TAAA repair, focusing on the results of different techniques adopted for renal and splanchnic revascularization. METHODS: Data were analyzed for 382 consecutive open TAAA repairs performed between January 2009 and July 2015 (284 men; mean age, 66 ± 10 years)...
October 19, 2017: Journal of Vascular Surgery
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