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https://www.readbyqxmd.com/read/28449505/pulmonary-vein-stump-thrombosis-after-left-pneumonectomy-diagnosed-based-on-a-high-plasma-d-dimer-level-a-case-report
#1
Tomohiro Kamori, Gouji Toyokawa, Tatsuro Okamoto, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Kazuki Takada, Masakazu Katsura, Fumihiro Shoji, Yoshihiko Maehara
A 69-year-old man with locally advanced squamous cell lung cancer in the left hilum underwent left upper sleeve lobectomy following neoadjuvant chemoradiotherapy with an S-1/cisplatin regimen. On postoperative day (POD) 5, the chest X-ray findings deteriorated, and computed tomography (CT) images showed pulmonary congestion of the left residual lung. We then performed emergent left completion pneumonectomy. Although the Postoperative course after re-operation was uneventful, and the patient was scheduled to be discharged on POD 12 when the serum creatinine level and plasma D-dimer level increased to 1...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449459/endovascular-repair-of-residual-intimal-tear-or-distal-new-entry-after-frozen-elephant-trunk-for-type-a-aortic-dissection
#2
Xu-Dong Pan, Bin Li, Wei-Guo Ma, Jun Zheng, Yong-Min Liu, Jun-Ming Zhu, Lian-Jun Huang, Li-Zhong Sun
BACKGROUND: In patients with type A dissection, residual dissection and new distal entry tears following the frozen elephant trunk (FET) procedure adversely affect long-term prognosis. Management include open and endovascular repair, while clinical experience is limited. We evaluate the efficacy of thoracic endovascular aortic repair (TEVAR) in management of residual intimal tear or distal new entry tear following FET in patients with type A aortic dissection (TAAD). METHODS: Between May 2003 and April 2013, we performed FET and total arch replacement for 1,003 patients with TAAD...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28447992/intravital-microscopy-and-thrombus-induction-in-the-earlobe-of-a-hairless-mouse
#3
Daniel Strüder, Eberhard Grambow, Ernst Klar, Robert Mlynski, Brigitte Vollmar
Thrombotic complications of vascular diseases are one leading cause of morbidity and mortality in industrial nations. Due to the complex interactions between cellular and non-cellular blood components during thrombus formation, reliable studies of the physiology and pathophysiology of thrombosis can only be performed in vivo. Therefore, this article presents an ear model in hairless mice and focuses on the in vivo analysis of microcirculation, thrombus formation, and thrombus evolution. By using intravital fluorescence microscopy and the intravenous (iv) application of the respective fluorescent dyes, a repetitive analysis of microcirculation in the auricle can easily be performed, without the need for surgical preparation...
April 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447404/potential-biomechanical-roles-of-risk-factors-in-the-evolution-of-thrombus-laden-abdominal-aortic-aneurysms
#4
Lana Virag, John S Wilson, Jay D Humphrey, Igor Karšaj
Abdominal aortic aneurysms (AAAs) typically harbour an intraluminal thrombus (ILT), yet most prior computational models neglect biochemomechanical effects of thrombus on lesion evolution. We recently proposed a growth and remodelling model of thrombus-laden AAAs that introduced a number of new constitutive relations and associated model parameters. Because values of several of these parameters have yet to be elucidated by clinical data, and could vary significantly from patient to patient, the aim of this study was to investigate the possible extent to which these parameters influence AAA evolution...
April 26, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28447055/associating-liver-partition-and-portal-vein-ligation-for-bleeding-hepatocellular-carcinoma-in-hbv-cirrhosis-a-safety-strategy
#5
Giovanni Battista Levi Sandri, Giovanni Vennarecci, Pasquale Lepiane, Giuseppe Maria Ettorre
The incidence of hepatocellular carcinoma (HCC) spontaneous tumor rupture varies between 3% and 26%. For resectable HCC ruptures, emergency hepatectomy or staged hepatectomy after transcatheter arterial embolization (TAE) are life-saving procedures, and efficient therapeutic methods. We report a multimodal therapy including TAE, associating liver partition and portal vein ligation (ALPPS) and immunoglobuline infusion for a huge bleeding HCC with portal vein tumor thrombosis (PVTT) in hepatitis B virus (HBV) cirrhosis...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28446351/deep-vein-thrombosis-of-the-upper-extremity
#6
Jan Heil, Wolfgang Miesbach, Thomas Vogl, Wolf O Bechstein, Alexander Reinisch
BACKGROUND: Deep venous thrombosis (DVT) arises with an incidence of about 1 per 1000 persons per year; 4-10% of all DVTs are located in an upper extremity (DVT-UE). DVT-UE can lead to complications such as post-thrombotic syndrome and pulmonary embolism and carries a high mortality. METHODS: This review is based on pertinent literature, published from January 1980 to May 2016, that was retrieved by a systematic search, employing the PRISMA criteria, carried out in four databases: PubMed (n = 749), EMBASE (n = 789), SciSearch (n = 0), and the Cochrane Library (n = 12)...
April 7, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28445914/clinical-significance-of-intraluminal-contrast-enhancement-in-patients-with-spontaneous-cervical-artery-dissection-a%C3%A2-black-blood-mri-study
#7
Eva Coppenrath, Olga Lenz, Nora Sommer, Nina Lummel, Jennifer Linn, Karla Treitl, Fabian Bamberg, Maximilian Reiser, Thomas Pfefferkorn, Tobias Saam
Purpose Recent studies have suggested that intraluminal thrombi show contrast enhancement on carotid black-blood T1w MRI. The aim of this study was to evaluate the significance of intraluminal contrast enhancement (iCE) regarding symptom status in patients with spontaneous cervical artery dissection (sCAD). Methods 33 consecutive patients (19 men) with sCAD received a brain MRI (DIFF, T2w, T2*w, FLAIR) and a multi-sequence 3T-MRI with fat-saturated high-resolution black-blood T1w-sequences pre- and post-contrast, contrast-enhanced MR angiography and TOF images of carotid and vertebral arteries...
April 26, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28445104/endoscopic-ultrasound-guided-direct-portal-pressure-measurement-using-a-digital-pressure-wire-with-real-time-remote-display-a-survival-study
#8
Allison R Schulman, Christopher C Thompson, Marvin Ryou
BACKGROUND: Portal hypertension is necessary for the development of most clinical complications of cirrhosis. We recently reported a novel, endoscopic ultrasound (EUS)-guided technique for direct portal pressure measurements using a digital pressure wire. AIMS: The aims of this study were to (1) evaluate safety in an animal survival model and (2) compare direct portal vein (PV) versus transhepatic access of a first-order venule. MATERIALS AND METHODS: Yorkshire pigs, weighing 40-55 kg...
April 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28443978/characterisation-of-the-vascular-pathology-in-sigmodon-hispidus-rodentia-cricetidae-following-experimental-infection-with-angiostrongylus-costaricensis-nematoda-metastrongylidae
#9
Danielle Ingrid Bezerra de Vasconcelos, Ester Maria Mota, Marcelo Pelajo-Machado
BACKGROUND: Angiostrongylus costaricensis is a nematode that causes human abdominal angiostrongyliasis, a disease found mainly in Latin American countries and particularly in Brazil and Costa Rica. Its life cycle involves exploitation of both invertebrate and vertebrate hosts. Its natural reservoir is a vertebrate host, the cotton rat Sigmodon hispidus. The adult worms live in the ileo-colic branches of the upper mesenteric artery of S. hispidus, causing periarteritis. However, there is a lack of data on the development of vasculitis in the course of infection...
May 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28443498/the-overexpression-of-rabl3-is-associated-with-pathogenesis-and-clinicopathologic-variables-in-hepatocellular-carcinoma
#10
Yuhang Pan, Zhiyong Liu, Zhiying Feng, Dayang Hui, Xiangqi Huang, Dayue Tong, Yi Jin
Overexpression of Rabl3 is associated with some malignancies. However, their relationship with hepatocellular carcinoma remains unclear. In this study, the expression of Rabl3 in hepatocellular carcinoma cell lines, and four pairs of matched hepatocellular carcinoma tissues and their adjacent normal hepatic tissues were detected by quantitative reverse transcription polymerase chain reaction and western blot. In addition, the protein expression of Rabl3 was examined in 162 cases of hepatocellular carcinoma by immunohistochemistry...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28442771/double-stranded-dna-induces-a-prothrombotic-phenotype-in-the-vascular-endothelium
#11
Erik Gaitzsch, Thomas Czermak, Andrea Ribeiro, Yvonn Heun, Monica Bohmer, Monika Merkle, Hanna Mannell, Christian Schulz, Markus Wörnle, Joachim Pircher
Double-stranded DNA (dsDNA) constitutes a potent activator of innate immunity, given its ability to bind intracellular pattern recognition receptors during viral infections or sterile tissue damage. While effects of dsDNA in immune cells have been extensively studied, dsDNA signalling and its pathophysiological implications in non-immune cells, such as the vascular endothelium, remain poorly understood. The aim of this study was to characterize prothrombotic effects of dsDNA in vascular endothelial cells. Transfection of cultured human endothelial cells with the synthetic dsDNA poly(dA:dT) induced upregulation of the prothrombotic molecules tissue factor and PAI-1, resulting in accelerated blood clotting in vitro, which was partly dependent on RIG-I signalling...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442532/anti-inflammatory-effects-of-simvastatin-during-the-resolution-phase-of-experimentally-formed-venous-thrombi
#12
Yaping Feng, Bo Lei, Fuxian Zhang, Luyuan Niu, Huan Zhang, Mingyi Zhang
Deep venous thrombosis (DVT) is a common vascular disease and is closely linked to inflammation. Over the past decade, the potential antithrombotic effect of statins has been elucidated by clinical studies, primarily through focusing on DVT prevention. The effects of statins on DVT resolution and its underlying mechanisms have been rarely addressed. We established a rabbit model of the inferior vena cava (IVC) venous thrombosis. After 48 hours, the rabbits were treated with saline, heparin, simvastatin, or simvastatin combined with heparin, respectively, for 14 days...
April 25, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28441922/fluid-displacement-from-intraluminal-thrombus-of-abdominal-aortic-aneurysm-as-a-result-of-uniform-compression
#13
Kim van Noort, Richte Cl Schuurmann, Bryan Wermelink, Cornelis H Slump, Karel C Kuijpers, Jean-Paul Pm de Vries
Objectives The results after aneurysm repair with an endovascular aneurysm sealing (EVAS) system are dependent on the stability of the aneurysm sac and particularly the intraluminal abdominal aortic thrombus (ILT). The postprocedural ILT volume is decreased compared with preprocedural ILT volume in aortic aneurysm patients treated with EVAS. We hypothesize that ILT is not stable in all patients and pressurization of the ILT may result in displacement of fluids from the ILT, no differently than serum is displaced from whole blood when it settles...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28441661/defective-platelet-activation-and-bleeding-complications-upon-cholestasis-in-mice
#14
Nina Sarah Gowert, Meike Klier, Maria Reich, Friedrich Reusswig, Lili Donner, Verena Keitel, Dieter Häussinger, Margitta Elvers
BACKGROUND/AIMS: Platelets are essential mediators of hemostasis to avoid excessive blood loss. Cirrhosis and chronic liver diseases are characterized by alterations in hemostasis. Alterations in the secondary hemostasis have been well studied, while defects in primary hemostasis, especially the consequences of cholestatic liver disease on platelet function are not well defined. METHODS: After bile duct ligation (BDL) platelet activation and thrombus formation were analyzed in mice...
April 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28441034/thrombus-formation-at-high-shear-rate
#15
Lauren D C Casa, David N Ku
The final common pathway in myocardial infarction and ischemic stroke is occlusion of blood flow from a thrombus forming under high shear rates in arteries. A high-shear thrombus forms rapidly and is distinct from the slow formation of coagulation that occurs in stagnant blood. Thrombosis at high shear rates depends primarily on the long protein von Willebrand factor (vWF) and platelets, with hemodynamics playing an important role in each stage of thrombus formation, including vWF binding, platelet adhesion, platelet activation, and rapid thrombus growth...
April 24, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28439199/comparison-of-methods-and-formulas-used-in-umbilical-venous-catheter-placement
#16
Mehmet Mutlu, Burcu Küçükalioğlu Parıltan, Yakup Aslan, İlker Eyüpoğlu, Şebnem Kader, Filiz Acar Aktürk
AIM: Central venous access is frequently provided by way of umbilical venous catheter placement in critically ill newborns. This study compared the methods of Dunn, Shukla-Ferrara, and Revised Shukla-Ferrara in determining the appropriate insertion length of umbilical vein catheters. MATERIAL AND METHODS: This prospective observational study was carried out in 121 newborns with umbilical venous catheter, group 1 (n=41) used Dunn method, group 2 (n=40) used the Shukla-Ferrara formula, and group 3 used revised Shukla-Ferrara formula (n=40)...
March 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28438734/total-thrombus-formation-analysis-system-predicts-periprocedural-bleeding-events-in-patients-with-coronary-artery-disease-undergoing-percutaneous-coronary-intervention
#17
Yu Oimatsu, Koichi Kaikita, Masanobu Ishii, Tatsuro Mitsuse, Miwa Ito, Yuichiro Arima, Daisuke Sueta, Aya Takahashi, Satomi Iwashita, Eiichiro Yamamoto, Sunao Kojima, Seiji Hokimoto, Kenichi Tsujita
BACKGROUND: Periprocedural bleeding events are common after percutaneous coronary intervention. We evaluated the association of periprocedural bleeding events with thrombogenicity, which was measured quantitatively by the Total Thrombus-formation Analysis System equipped with microchips and thrombogenic surfaces (collagen, platelet chip [PL]; collagen plus tissue factor, atheroma chip [AR]). METHODS AND RESULTS: Between August 2013 and March 2016, 313 consecutive patients with coronary artery disease undergoing elective percutaneous coronary intervention were enrolled...
April 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28437844/liver-resection-for-hepatocellular-carcinoma-associated-with-hepatic-vein-invasion-a-japanese-nationwide-survey
#18
Takashi Kokudo, Kiyoshi Hasegawa, Yutaka Matsuyama, Tadatoshi Takayama, Namiki Izumi, Masumi Kadoya, Masatoshi Kudo, Shoji Kubo, Michiie Sakamoto, Osamu Nakashima, Takashi Kumada, Norihiro Kokudo
Because of the rarity of hepatic vein tumor thrombus (HVTT), compared with portal vein tumor thrombus (PVTT), in patients with hepatocellular carcinoma (HCC), little is known about this disease entity. The aim of this study was to evaluate the prognosis of each treatment modality for HVTT through an analysis of data collected in a Japanese nationwide survey. We analyzed data for 1,021 Child-Pugh A HCC patients with HVTT without inferior vena cava invasion registered between 2000 and 2007. Of these patients, 540 patients who underwent liver resection (LR) and 481 patients who received other treatments were compared...
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28436411/benign-mixed-epithelial-and-stromal-tumor-of-the-kidney-with-inferior-vena-cava-tumor-thrombus-a-rare-case-report-and-review-of%C3%A2-literature
#19
Chi Zhang, Xiaofei Li, Chengqiang Mo, Zhenpeng Peng, Ruilin Yang, Yiming Tang, Yuanyuan Zhang, Rongpei Wu
Mixed epithelial and stromal tumor of the kidney (MESTK) is a rare renal tumor composed of epithelial and stromal cells. In this study, we report a rare case of MESTK, which was pathologically benign but complicated with renal vein and inferior vena cava tumor thrombus. The 50-year-old female patient was admitted to hospital for a mass on the left kidney. Computed tomography showed a 32 mm×18 mm mass with slight delayed enhancement in the left renal sinus, and neoplastic thrombus was detected in left renal vein and inferior vena cava...
April 18, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/28435447/a-unique-recombinant-fluoroprobe-targeting-activated-platelets-allows-in-vivo-detection-of-arterial-thrombosis-and-pulmonary-embolism-using-a-novel-three-dimensional-fluorescence-emission-computed-tomography-flect-technology
#20
Bock Lim, Yu Yao, Alex Lin-I Huang, May Lin Yap, Ulrike Flierl, Jathushan Palasubramaniam, Maria T K Zaldivia, Xiaowei Wang, Karlheinz Peter
Progress in pharmaceutical development is highly-dependent on preclinical in vivo animal studies. Small animal imaging is invaluable for the identification of new disease markers and the evaluation of drug efficacy. Here, we report for the first time the use of a three-dimensional fluorescence bioimager called FLuorescence Emission Computed Tomography (FLECT) for the detection of a novel recombinant fluoroprobe that is safe, easily prepared on a large scale and stably stored prior to scan. This novel fluoroprobe (Targ-Cy7) comprises a single-chain antibody-fragment (scFvTarg), which binds exclusively to activated-platelets, conjugated to a near-infrared (NIR) dye, Cy7, for detection...
2017: Theranostics
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