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https://www.readbyqxmd.com/read/29351102/fatal-sickling-triggered-by-massive-foreign-particle-embolism-a-case-report-of-unrecognized-indwelling-venous-catheter-drug-abuse-in-sickle-cell-disease
#1
Christopher A Febres-Aldana, Lydia Hernandez Howard
Sickle cell disease (SCD) manifests itself with vaso-occlusive episodes leading to infarction. Placement of intravascular catheters provides a useful route for management of pain crises as well as other complications. However, catheter misuse is a commonly unrecognized problem, which can have lethal consequences. We present a case of fatal splenic sequestration/hyperhemolysis secondary to foreign body pulmonary and systemic embolization due to intravenous administration of hydromorphone pills in a young woman with SCD...
January 18, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29349428/hybrid-repair-of-a-large-pseudoaneurysm-of-the-proximal-right-subclavian-artery-in-a-marfan-patient
#2
Emma van der Weijde, Jan Albert Vos, Robin H Heijmen
A pseudoaneurysm of the proximal right subclavian artery is rare and most commonly caused by penetrating or blunt trauma. We report a case of a Marfan patient with a large iatrogenic pseudoaneurysm of the right subclavian artery, induced by a puncture lesion during central venous catheter placement for an elective endovascular thoracic aortic procedure. The patient was successfully treated with a hybrid approach, which consisted of endovascular coiling and balloon occlusion of the adjacent vessels, followed by open surgical exploration and uneventful closure of the puncture hole with the use of bovine pericardium-reinforced sutures...
December 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29339370/nature-s-wastebasket-the-role-of-the-external-carotid-artery-in-acute-stroke
#3
Jesse Jones, Conrad William Liang, Nima Ramezan-Arab, Gary Duckwiler, Satoshi Tateshima
We describe a novel technical approach to acute stroke illustrated by the case of a 41 year old male who presented with tandem right common carotid artery (CCA) and M1 occlusions. His NIHSS was 17 and Alberta stroke programe early CT score (ASPECTs) was 8. Thrombectomy initially proved challenging due to large volume CCA thrombus that repeatedly occluded the aspiration catheters. However, by inflating a balloon distally and pulling clot into the adjacent ECA, we were able to quickly restore distal contrast flow to the intracranial circulation and achieve Thrombolysis In Cerebral Infarction/Arterial Occlusive Lesion (TICI2C/AOL3) revascularization...
January 15, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29329067/case-report-iatrogenic-brachial-artery-dissection-with-complete-anterograde-occlusion-during-elective-arterial-line-placement
#4
Laurence Weinberg, Diana Abu-Ssaydeh, Manfred Spanger, Patrick Lu, Michael H-G Li
INTRODUCTION: Brachial arterial catheters provide a more accurate reflection of central aortic arterial pressure compared to their radial counterparts. Although brachial arterial line complications are uncommon, we report a case of a rare iatrogenic brachial artery dissection with complete anterograde occlusion from elective arterial line placement. PRESENTATION OF CASE: A 41-year-old female presented for a right upper and middle lobe resection of a large neuroendocrine lung cancer...
December 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29327562/development-of-a-porcine-beating-heart-model-of-self-myocardial-retroperfusion-evaluation-of-hemodynamic-and-cardiac-responses-to-ischemia-and-clinical-applications
#5
Daniel Grandmougin, Jean-Mathieu Casse, Antoine Chalon, Yun Luo, Aude Falanga, Vanessa Marie, Fréderique Groubatch-Joineau, Brice Mourer, Marie Grandmougin, David Grandmougin, Guillaume Gauchotte, Juan-Pablo Maureira, Nguyen Tran
BACKGROUND: Retrograde perfusion into the coronary sinus is used to deliver cardioplegia. We developed an in-vivo porcine beating-heart model of self-myocardial retroperfusion (SMR) using the venous route to supply myocardial oxygenation and sought to assess hemodynamic and cardiac responses triggered by SMR before and after a prolonged occlusion of the LAD. METHODS: A bypass-line between the ascending aorta and the coronary sinus was made to perform a selective retrograde perfusion of the great cardiac vein with oxygenated blood (SMR)...
January 9, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29326820/a-case-of-intra-arterial-thrombolysis-with-alteplase-in-a-patient-with-hypothenar-hammer-syndrome-but-without-underlying-aneurysm
#6
Harshal Shukla, Vicken Yaghdjian, Issam Koleilat
Hypothenar hammer syndrome is a cause of symptomatic ischemia of the hand secondary to the formation of aneurysm or thrombosis of the ulnar artery in the setting of a complete or incomplete palmar arch. Acute occlusive thrombus or embolus of the hand represents a complex problem that often may require immediate surgical intervention. We report a case of acute unilateral arterial hand ischemia requiring catheter-directed thrombolysis with Alteplase therapy in a patient with acute occlusive arterial thrombosis of the left ulnar artery...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29321037/acute-aortoiliac-occlusive-disease-during-percutaneous-transluminal-angioplasty-in-the-setting-of-st-elevation-myocardial-infarction-a-case-report
#7
Anthony H Kashou, Nabil Braiteh, Ali Zgheib, Hisham E Kashou
BACKGROUND: Aortoiliac occlusive disease, which is also referred to as Leriche syndrome, is a chronic atherosclerotic occlusive disease that occurs at the level of the aortic bifurcation. It is often thought to present with a triad of clinical symptoms: (1) intermittent lower extremity vascular claudication, (2) impotence, and (3) weak/absent femoral pulses. CASE PRESENTATION: We report a case of a 47-year-old Caucasian woman who presented with an acute inferior ST-elevation myocardial infarction...
January 11, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29316567/modern-invasive-hemodynamic-assessment-of-pulmonary-hypertension
#8
Alberto Pagnamenta, Frédéric Lador, Andrea Azzola, Maurice Beghetti
Since 1998 pulmonary hypertension has been clinically classified into five well-defined, distinct categories. A definitive diagnosis of pulmonary hypertension requires the invasive confirmation of an elevated mean pulmonary artery pressure of 25 mm Hg or above during a right heart catheterization. From a hemodynamic point of view, pulmonary hypertension is classified into precapillary and postcapillary pulmonary hypertension on the basis of a pulmonary artery wedge pressure threshold value of 15 mm Hg. Pulmonary vascular resistance is better characterized by multi-point pressure/flow measurements than by single-point determination...
January 9, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29310560/staged-palliation-of-cyanotic-obstructive-lesions-with-a-modified-right-ventricular-outflow-procedure
#9
Sarosh P Batlivala, Mary K Hood, Jannika Dodge-Khatami, Divya Shakti, Mary B Taylor, Makram R Ebeid, Jorge D Salazar, Ali Dodge-Khatami
BACKGROUND: Traditional palliation for biventricular cyanotic congenital heart lesions often involves staging with systemic-to-pulmonary arterial shunts to secure pulmonary blood flow (PBF) in the newborn period prior to complete repair. However, shunts may lead to life-threatening events secondary to shunt occlusion or acute coronary steal. They may be associated with morbidity secondary to diastolic runoff, systemic steal and volume loading, and do not provide pulsatile flow which has the potential to promote pulmonary artery (PA) growth...
January 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29273647/assessment-of-human-placenta-as-an-ex-vivo-vascular-model-for-testing-of-liquid-embolic-agent-injections-with-adjunctive-techniques
#10
Hideo Okada, Joonho Chung, Daniel M Heiferman, Demetrius K Lopes
PURPOSE: This project sought to test the utility of post-delivery human placenta (HP) as a vascular model for liquid embolic agent (LEA) simulation, along with adjunctive techniques. MATERIALS AND METHODS: Twelve LEA injections were performed under fluoroscopy in HP with two reflux control methods: dual lumen 'mini' balloon-catheter (n=9); and injection after proximal nBCA plug formation through a second microcatheter ('pressure cooker') (n=3). Measured outcomes included liquid embolic agent (LEA) advancement and reflux...
December 22, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29246326/efficacy-and-safety-of-pancreas-targeted-hydrodynamic-gene-delivery-in-rats
#11
Kohei Ogawa, Kenya Kamimura, Yuji Kobayashi, Hiroyuki Abe, Takeshi Yokoo, Norihiro Sakai, Takuro Nagoya, Akira Sakamaki, Satoshi Abe, Kazunao Hayashi, Satoshi Ikarashi, Junji Kohisa, Masanori Tsuchida, Yutaka Aoyagi, Guisheng Zhang, Dexi Liu, Shuji Terai
Development of an effective, safe, and convenient method for gene delivery to the pancreas is a critical step toward gene therapy for pancreatic diseases. Therefore, we tested the possibility of applying the principle of hydrodynamic gene delivery for successful gene transfer to pancreas using rats as a model. The established procedure involves the insertion of a catheter into the superior mesenteric vein with temporary blood flow occlusion at the portal vein and hydrodynamic injection of DNA solution. We demonstrated that our procedure achieved efficient pancreas-specific gene expression that was 2,000-fold higher than that seen in the pancreas after the systemic hydrodynamic gene delivery...
December 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/29238112/crevice-sign-as-an-indicator-of-plaque-laceration-associated-with-postoperative-severe-thromboembolism-after-carotid-artery-stenting-a-case-report
#12
Tomotaka Ohshima, Taiki Yamamoto, Shunsaku Goto, Kojiro Ishikawa, Toshihisa Nishizawa, Shinji Shimato
Carotid artery stenting (CAS) is increasingly utilized in patients with carotid artery stenosis. Various intraprocedural and postprocedural complications have been reported in the literature. We present a case of symptomatic major thromboembolism after CAS. The intraprocedural angiogram showed extraordinary slow filling of the contrast medium into the plaque, which we named as "crevice sign." An 83-year-old man presented repeat right amaurosis fugax for 6 months. The radiological examinations revealed 85% stenosis of the origin of the right internal carotid artery...
November 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/29237485/resuscitative-endovascular-balloon-occlusion-of-the-aorta-may-increase-the-bleeding-of-minor-thoracic-injury-in-severe-multiple-trauma-patients-a-case-report
#13
Takaaki Maruhashi, Hiroaki Minehara, Ichiro Takeuchi, Yuichi Kataoka, Yasushi Asari
BACKGROUND: The resuscitative endovascular balloon occlusion of the aorta, because of its efficacy and feasibility, has been widely used in treating patients with severe torso trauma. However, complications developing around the site proximal to the occlusion by resuscitative endovascular balloon occlusion of the aorta have almost never been studied. CASE PRESENTATION: A 50-year-old Japanese woman fell from a height of approximately 10 m. At initial arrival, her respiratory rate was 24 breaths/minute, her blood oxygen saturation was 95% under 10 L/minute oxygenation, her pulse rate was 90 beats per minute, and her blood pressure was 180/120 mmHg...
December 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29226895/a-late-complication-of-coronary-artery-perforation-during-primary-percutaneous-coronary-intervention-coronary-arteriovenous-fistula
#14
Kayıhan Karaman, Metin Karayakalı, Arif Arısoy, İlker Akar, Ataç Çelik
Coronary artery perforation (CAP) is a rare, but potentially mortal possible complication of percutaneous coronary intervention. There are several treatment options for this complication, including prolonged balloon dilatation, use of a coronary stent graft, and bypass surgery. In this case report, a 65-year-old female patient who was admitted to the catheter laboratory with a diagnosis of acute coronary syndrome, was presented. Coronary angiography revealed total occlusion in the mid segment of the right coronary artery and a drug-eluting stent was implanted under 12 atm of pressure following pre-dilatation with a perfusion balloon...
December 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29224889/perioperative-internal-iliac-artery-balloon-occlusion-in-the-setting-of-placenta-accreta-and-its-variants-the-role-of-the-interventional-radiologist
#15
REVIEW
David A Petrov, Benjamin Karlberg, Kamalpreet Singh, Matthew Hartman, Pardeep K Mittal
Placenta accreta and its variants (increta and percreta) are conditions of abnormal placentation that are encountered with increasing frequency. The spectrum of placenta accreta (including placenta increta and percreta) involves an abnormal attachment of the placental chorionic villi to the uterine myometrium. This abnormal attachment leads to increased adherence of the placenta to the uterus and abnormal placental-uterine separation at the time of delivery. Placental invasion into, or through the myometrium is associated with increased postpartum morbidity and mortality as a result of uterine hemorrhage during and following cesarean section...
November 10, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29224472/preoperative-assessment-of-computerized-tomography-angiography-to-predict-success-for-crossing-long-trans-atlantic-inter-society-consensus-d-lesions-using-the-optical-coherence-tomography-catheter
#16
Ryan J Kim, Jamie B Smith, Todd R Vogel
Objectives Optical coherence tomography chronic total occlusion catheter, the Ocelot (Avinger Inc., Redwood City, CA), has been utilized to cross Trans-Atlantic Inter-Society Consensus D lesions. This study evaluated the preoperative computerized tomography angiography of chronic total occlusions in the superficial femoral artery to predict clinical success. Methods We reviewed all patients who underwent lower extremity procedures with the Ocelot catheter from June 2014 to August 2016. Patients who had a preoperative computerized tomography angiography were evaluated...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29221837/a-single-center-retrospective-analysis-of-the-efficacy-of-a-new-balloon-catheter-in-autogenous-arteriovenous-fistula-dysfunction-resistant-to-conventional-balloon-angioplasty
#17
Xiaolei Sun, Yanzheng He, Yarong Ma, Huqiang He, Lei Zhang, Ivo Ricardo de Seabra Rodrigues Dias, Yong Liu
PURPOSE: To present a new alternative balloon catheter option for autogenous arteriovenous fistula (AVF) dysfunction with stiff constriction resistant to conventional balloon angioplasty. METHODS: Our first series of 51 patients with autogenous AVF dysfunction who were simultaneously treated with VascutrakTM balloon catheter, following failed conventional balloon therapy (failure was defined as residual stenosis of >30%), were retrospectively observed and analyzed...
December 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29207367/subadventitial-advancement-of-a-mother-and-child-catheter-to-allow-successful-recanalization-of-a-complex-in-stent-chronic-total-occlusion-testing-the-resistance-of-the-adventitia
#18
Luciano Candilio, Satoru Mitomo, Mauro Carlino, Antonio Colombo, Lorenzo Azzalini
In-stent chronic total occlusion (CTO) represents a challenging lesion subset for percutaneous coronary intervention (PCI), and although a true-to-true lumen crossing is the first-line strategy, a subadventitial approach may become necessary. Here we describe a case of successful in-stent right coronary artery CTO-PCI performed with subadventitial crossing, crushing of the occluded stents, and advancement of a mother-and-child catheter to the distal right coronary artery through the subadventitial space to allow stent delivery...
December 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29201488/left-brachiocephalic-vein-stenosis-due-to-the-insertion-of-a-temporal-right-subclavian-hemodialysis-catheter
#19
Eleni I Skandalou, Fani D Apostolidou-Kiouti, Ilias D Minasidis, Ioannis K Skandalos
Central vein stenosis/occlusion is a common well-described sequel to the placement of hemodialysis catheters in the central venous system. The precise mechanisms by which central vein stenosis occurs are not well known. Current concepts in central vein stenosis pathophysiology focus on the response to vessel injury model, emphasizing the process of trauma. A case of left brachiocephalic vein stenosis due to the insertion and function of a temporary right subclavian hemodialysis catheter is presented. The purpose of the manuscript is to emphasize that, with the introduction of a temporary subclavian hemodialysis catheter via the right subclavian vein apart from causing concurrent stenosis/infarction of the right subclavian and right brachiocephalic vein, it is also possible to cause stenosis of the left brachiocephalic vein (close to its contribution to the superior vena cava) although the catheter tip is placed in the correct anatomical position in the superior vena cava...
2017: Case Reports in Vascular Medicine
https://www.readbyqxmd.com/read/29201192/daidzein-ameliorates-spinal-cord-ischemia-reperfusion-injury-induced-neurological-function-deficits-in-sprague-dawley-rats-through-pi3k-akt-signaling-pathway
#20
Fan Zhang, Neng Ru, Zheng-Hui Shang, Jian-Feng Chen, Chao Yan, Yun Li, Jie Liang
Daidzein (DZ) has a broad spectrum of biological activities, including antioxidant, anti-inflammatory and anticancer as well as cardio- and hepatoprotective properties. The present study was designed to elucidate the in-depth mechanism underlying the neuroprotective efficacy of DZ against spinal cord ischemic/reperfusion injury (SCII) in a rat model by comparison with the standard neuroprotective agent methylprednisolone (MP). A total of 48 rats were divided into four groups of twelve rats in each (n=12). In sham-operated group (Control) group, rats received only saline (Fogarty catheter was inserted without balloon inflation), whereas rats in the SCII induction group (SCII) were subjected to SCII insult by insertion of a Fogarty balloon catheter, which was inflated in the descending thoracic aorta to cause an occlusion...
November 2017: Experimental and Therapeutic Medicine
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