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Maeda Y, Toda K, Toi S, Yano T, Iijima M, Shimizu Y, Nagashima Y, Itakura Y, Iguchi S, Kikuchi K, Shibuya K, Nonaka M, Kitagawa K. Diagnostic Utility of Polymerase Chain Reaction for Paraffin-embedded Sinus Specimens for Rhinocerebral Mucormycosis Complicated by Internal Carotid Artery Thrombosis and Cerebral Infarction. Intern Med 2021; 60:2683-2686. [PMID: 33678746 PMCID: PMC8429304 DOI: 10.2169/internalmedicine.6809-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We herein report a 73-year-old man who experienced cerebral infarction caused by infection with a Mucromycocetes species. A delay in anti-fungal treatment might result in a lethal clinical outcome. We were unable to establish an accurate diagnosis based on histological findings and cerebrospinal fluid culture. Therefore, we performed polymerase chain reaction (PCR) using paraffin-embedded specimens, and based on the findings, successfully started administering anti-fungal treatment. We suggest that PCR using sinus specimens be applied when mucormycosis is suspected as an etiology of cerebral infarction and a confirmative diagnosis cannot be established based on the results of pathological examinations or cerebrospinal fluid culture.
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Affiliation(s)
- Yukiko Maeda
- Department of Neurology, Tokyo Women's Medical University, Japan
- Stroke Center, Tokyo Women's Medical University, Japan
| | - Kunio Toda
- Department of Neurology, Tokyo Women's Medical University, Japan
| | - Sono Toi
- Department of Neurology, Tokyo Women's Medical University, Japan
- Stroke Center, Tokyo Women's Medical University, Japan
| | - Tetsundo Yano
- Department of Neurology, Tokyo Women's Medical University, Japan
- Stroke Center, Tokyo Women's Medical University, Japan
| | - Mutsumi Iijima
- Department of Neurology, Tokyo Women's Medical University, Japan
| | - Yuko Shimizu
- Department of Neurology, Tokyo Women's Medical University, Japan
| | - Yoji Nagashima
- Department of Surgical Pathology, Tokyo Women's Medical University, Japan
| | - Yasutomo Itakura
- Department of Infectious Diseases, Tokyo Women's Medical University, Japan
| | - Shigekazu Iguchi
- Department of Infectious Diseases, Tokyo Women's Medical University, Japan
| | - Ken Kikuchi
- Department of Infectious Diseases, Tokyo Women's Medical University, Japan
| | | | - Manabu Nonaka
- Department of Otolaryngology, Tokyo Women's Medical University, Japan
| | - Kazuo Kitagawa
- Department of Neurology, Tokyo Women's Medical University, Japan
- Stroke Center, Tokyo Women's Medical University, Japan
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Doo FX, Kassim G, Lefton DR, Patterson S, Pham H, Belani P. Rare presentations of COVID-19: PRES-like leukoencephalopathy and carotid thrombosis. Clin Imaging 2021; 69:94-101. [PMID: 32707411 PMCID: PMC7365057 DOI: 10.1016/j.clinimag.2020.07.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/19/2020] [Accepted: 07/13/2020] [Indexed: 12/13/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a global pandemic, and it is increasingly important that physicians recognize and understand its atypical presentations. Neurological symptoms such as anosmia, altered mental status, headache, and myalgias may arise due to direct injury to the nervous system or by indirectly precipitating coagulopathies. We present the first COVID-19 related cases of carotid artery thrombosis and acute PRES-like leukoencephalopathy with multifocal hemorrhage.
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Affiliation(s)
- Florence X Doo
- Mount Sinai Health System, Diagnostic, Molecular and Interventional Radiology, 1000 10th Avenue, Radiology, 4B 25, New York 10019, NY, USA.
| | - Gassan Kassim
- Mount Sinai Health System, Internal Medicine, 1000 10th Ave, New York 10019, NY, USA
| | - Daniel R Lefton
- Mount Sinai Health System, Diagnostic, Molecular and Interventional Radiology, 1000 10th Avenue, Radiology, 4B 25, New York 10019, NY, USA
| | - Shanna Patterson
- Mount Sinai Health System, Neurology, 1000 10th Ave, New York 10019, NY, USA
| | - Hien Pham
- Mount Sinai Health System, Diagnostic, Molecular and Interventional Radiology, 1000 10th Avenue, Radiology, 4B 25, New York 10019, NY, USA
| | - Puneet Belani
- Mount Sinai Health System, Diagnostic, Molecular and Interventional Radiology, 1000 10th Avenue, Radiology, 4B 25, New York 10019, NY, USA
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Čertík B, Opatrný V, Třeška V, Šebek J. Perioperative acute internal carotid thrombosis after general surgery. Rozhl Chir 2020; 99:136-139. [PMID: 32349498 DOI: 10.33699/pis.2020.99.3.136-140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
INTRODUCTION The average incidence of perioperative stroke during major non-cardiac surgery is less than 1%, suggesting that it is rarely a major problem for the vast majority of patients. METHODS In our paper we present a 46-year-old patient undergoing acute right hemicolectomy who developed right-sided hemiparesis in the perioperative setting. Immediate CTAg examination showed an ischemic stroke in the left hemisphere as a result of left internal carotid thrombosis. A surgical procedure to recanalize the left carotid artery was performed 14 hours from the onset of neurological symptomatology and the neurological deficit gradually recovered fully. CONCLUSION Our case report supports studies showing that a thorough diagnostic assessment allows the selection of patients who may benefit from urgent revascularization of acute internal carotid occlusion during the phase of acute brain ischemia.
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Kuijpers MJE, Gilio K, Reitsma S, Nergiz-Unal R, Prinzen L, Heeneman S, Lutgens E, van Zandvoort MAMJ, Nieswandt B, Egbrink MGAO, Heemskerk JWM. Complementary roles of platelets and coagulation in thrombus formation on plaques acutely ruptured by targeted ultrasound treatment: a novel intravital model. J Thromb Haemost 2009; 7:152-61. [PMID: 18983512 DOI: 10.1111/j.1538-7836.2008.03186.x] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Atherothrombosis is a major cause of cardiovascular events. However, animal models to study this process are scarce. OBJECTIVES We describe the first murine model of acute thrombus formation upon plaque rupture to study atherothrombosis by intravital fluorescence microscopy. METHODS Localized rupture of an atherosclerotic plaque in a carotid artery from Apoe(-/-) mice was induced in vivo using ultrasound. Rupture of the plaque and formation of localized thrombi were verified by two-photon laser scanning microscopy (TPLSM) in isolated arteries, and by immunohistochemistry. The thrombotic reaction was quantified by intravital fluorescence microscopy. RESULTS Inspection of the ultrasound-treated plaques by histochemistry and TPLSM demonstrated local damage, collagen exposure, luminal thrombus formation as well as intra-plaque intrusion of erythrocytes and fibrin. Ultrasound treatment of healthy carotid arteries resulted in endothelial damage and limited platelet adhesion. Real-time intravital fluorescence microscopy demonstrated rapid platelet deposition on plaques and formation of a single thrombus that remained subocclusive. The thrombotic process was antagonized by thrombin inhibition, or by blocking of collagen or adenosine diphosphate receptor pathways. Multiple thrombi were formed in 70% of mice lacking CD40L. CONCLUSIONS Targeted rupture of murine plaques results in collagen exposure and non-occlusive thrombus formation. The thrombotic process relies on platelet activation as well as on thrombin generation and coagulation, and is sensitive to established and novel antithrombotic medication. This model provides new possibilities to study atherothrombosis in vivo.
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Affiliation(s)
- M J E Kuijpers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands.
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Liu J, Joglekar M, Ware J, Fitzgerald MEC, Lowell CA, Berndt MC, Gartner TK. Evaluation of the physiological significance of botrocetin/ von Willebrand factor in vitro signaling. J Thromb Haemost 2008; 6:1915-22. [PMID: 18752568 PMCID: PMC2982674 DOI: 10.1111/j.1538-7836.2008.03135.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND A signaling pathway is difficult, if not impossible, to elucidate in platelets using only in vivo studies. Likewise, the physiological significance of signaling information obtained exclusively from in vitro observations is unknown. Therefore, both in vitro and in vivo experiments are required to establish the physiological significance of a signaling pathway. OBJECTIVE To evaluate the physiological significance of signaling data obtained from botrocetin (bt)/von Willebrand factor (VWF)-stimulated washed platelets. METHOD Stable thrombus formation in response to FeCl(3)-induced injury of the mouse carotid artery was used to evaluate the physiological significance of signaling data obtained from bt/VWF-stimulated washed platelets. RESULTS Syk, PLCgamma2, Galphaq and P2Y12, but not LAT, were found either to be required for or to affect stable thrombus formation. Prior in vitro studies had demonstrated that LAT is not required for bt/VWF-induced platelet aggregation in the presence of exogenous fibrinogen. These data provide the first demonstration of the in vivo role for these signaling molecules in GPIb-dependent/initiated signal transduction and are consistent with the signaling pathway deduced from in vitro studies of bt/VWF-stimulated washed platelets using metabolic inhibitors and knockout mice. CONCLUSION The broad agreement between the in vitro and the in vivo results establish that bt/VWF stimulation of washed platelets can provide physiologically significant glycoprotein Ib-dependent/initiated signaling data.
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Affiliation(s)
- J Liu
- Institutes of Medical Sciences, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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Wong PC, Crain EJ, Xin B, Wexler RR, Lam PYS, Pinto DJ, Luettgen JM, Knabb RM. Apixaban, an oral, direct and highly selective factor Xa inhibitor: in vitro, antithrombotic and antihemostatic studies. J Thromb Haemost 2008; 6:820-9. [PMID: 18315548 DOI: 10.1111/j.1538-7836.2008.02939.x] [Citation(s) in RCA: 228] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Apixaban is an oral, direct and highly selective factor Xa (FXa) inhibitor in late-stage clinical development for the prevention and treatment of thromboembolic diseases. OBJECTIVE We evaluated the in vitro properties of apixaban and its in vivo activities in rabbit models of thrombosis and hemostasis. METHODS Studies were conducted in arteriovenous-shunt thrombosis (AVST), venous thrombosis (VT), electrically mediated carotid arterial thrombosis (ECAT) and cuticle bleeding time (BT) models. RESULTS In vitro, apixaban is potent and selective, with a K(i) of 0.08 nm for human FXa. It exhibited species difference in FXa inhibition [FXa K(i) (nm): 0.16, rabbit; 1.3, rat; 1.7, dog] and anticoagulation [EC(2x) (microm, concentration required to double the prothrombin time): 3.6, human; 2.3, rabbit; 7.9, rat; 6.7, dog]. Apixaban at 10 microm did not alter human and rabbit platelet aggregation to ADP, gamma-thrombin, and collagen. In vivo, the values for antithrombotic ED(50) (dose that reduced thrombus weight or increased blood flow by 50% of the control) in AVST, VT and ECAT and the values for BT ED(3x) (dose that increased BT by 3-fold) were 0.27 +/- 0.03, 0.11 +/- 0.03, 0.07 +/- 0.02 and > 3 mg kg(-1) h(-1) i.v. for apixaban, 0.05 +/- 0.01, 0.05 +/- 0.01, 0.27 +/- 0.08 and > 3 mg kg(-1) h(-1) i.v. for the indirect FXa inhibitor fondaparinux, and 0.53 +/- 0.04, 0.27 +/- 0.01, 0.08 +/- 0.01 and 0.70 +/- 0.07 mg kg(-1) day(-1) p.o. for the oral anticoagulant warfarin, respectively. CONCLUSIONS In summary, apixaban was effective in the prevention of experimental thrombosis at doses that preserve hemostasis in rabbits.
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Affiliation(s)
- P C Wong
- Thrombosis Research, Bristol-Myers Squibb Company, Pennington, NJ 08534, USA.
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Abstract
Heparin cofactor II (HCII) is a plasma protein that inhibits thrombin when bound to dermatan sulfate or heparin. HCII-deficient mice are viable and fertile but rapidly develop thrombosis of the carotid artery after endothelial injury. We now report the effects of HCII deficiency on atherogenesis and neointima formation. HCII-null or wild-type mice, both on an apolipoprotein E-null background, were fed an atherogenic diet for 12 weeks. HCII-null mice developed plaque areas in the aortic arch approximately 64% larger than wild-type mice despite having similar plasma lipid and glucose levels. Neointima formation was induced by mechanical dilation of the common carotid artery. Thrombin activity, determined by hirudin binding or chromogenic substrate hydrolysis within 1 hour after injury, was higher in the arterial walls of HCII-null mice than in wild-type mice. After 3 weeks, the median neointimal area was 2- to 3-fold greater in HCII-null than in wild-type mice. Dermatan sulfate administered intravenously within 48 hours after injury inhibited neointima formation in wild-type mice but had no effect in HCII-null mice. Heparin did not inhibit neointima formation. We conclude that HCII deficiency promotes atherogenesis and neointima formation and that treatment with dermatan sulfate reduces neointima formation in an HCII-dependent manner.
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Affiliation(s)
- Cristina P Vicente
- Department of Cellular Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas-São Paulo, Brazil
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Malm K, Arnljots B, Persson IM, Dahlbäck B. Antithrombotic and anticoagulant effects of wild type and Gla-domain mutated human activated protein C in rats. Thromb Res 2007; 120:531-9. [PMID: 17169412 DOI: 10.1016/j.thromres.2006.11.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2006] [Revised: 06/12/2006] [Accepted: 11/01/2006] [Indexed: 11/24/2022]
Abstract
The antithrombotic and anticoagulant effects of recombinant wild type (WT) and mutated human activated protein C (hAPC) were investigated using a rat model of arterial thrombosis. Recent in vitro studies using human plasma have shown enhanced anticoagulant effects of hAPC by mutagenesis of either loop 148 in the serine protease domain or of the Gla domain. The Gla-domain mutant QGNSEDY-hAPC (= H10Q/S11G/S12N/D23S/Q32E/N33D/H44Y) was found to be particularly active as an anticoagulant. We now combined the two mutations to create the variant QGNSEDY-hAPC:B148 and investigated the in vivo effects of this variant as well as of QGNSEDY-hAPC and WT hAPC using a rat model of arterial thrombosis. In vitro clotting experiments using rat plasma demonstrated WT hAPC to be inefficient, whereas both mutant hAPC variants yielded distinct dose dependent anticoagulant effects. In the arterial injury model, a segment of the left common carotid artery was opened longitudinally. An endarterectomy was performed and the arteriotomy was closed, whereafter the vessel was reperfused and the patency rate determined after 31 min. Three treatment groups each containing 10 rats and a control group of 20 animals were in a blind random fashion given intravenous bolus injections of 0.8 mg/kg WT or mutant hAPC or vehicle only. The ex vivo clotting times of plasma drawn 3 min after the injections, as compared to baseline clotting times, were approximately doubled by QGNSEDY-hAPC and tripled by QGNSEDY-hAPC:B148 infusions, while WT APC had little effect. Compared to the control group, none of the hAPC preparations had significant antithrombotic effect or increased arteriotomy bleeding.
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Affiliation(s)
- Karl Malm
- Department of Clinical Sciences, Division of Reconstructive Surgery, University Hospital, Malmö, Sweden.
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Camici GG, Steffel J, Akhmedov A, Schafer N, Baldinger J, Schulz U, Shojaati K, Matter CM, Yang Z, Lüscher TF, Tanner FC. Dimethyl Sulfoxide Inhibits Tissue Factor Expression, Thrombus Formation, and Vascular Smooth Muscle Cell Activation. Circulation 2006; 114:1512-21. [PMID: 17000906 DOI: 10.1161/circulationaha.106.638460] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
Subacute stent thrombosis is a major clinical concern, and the search for new molecules to cover stents remains important. Dimethyl sulfoxide (DMSO) is used for preservation of hematopoietic progenitor cells and is infused into patients undergoing bone marrow transplantation. Despite its intravenous application, the impact of DMSO on vascular cells has not been assessed.
Methods and Results—
In human endothelial cells, monocytes, and vascular smooth muscle cells (VSMC), DMSO inhibited tissue factor (TF) expression and activity in response to tumor necrosis factor-α or thrombin in a concentration-dependent manner. DMSO did not exert any toxic effects as assessed by phase-contrast microscopy, trypan blue exclusion, and lactate dehydrogenase release. Real-time polymerase chain reaction revealed that inhibition of TF expression occurred at the mRNA level. This effect was mediated by reduced activation of the mitogen-activated protein kinases c-Jun terminal NH
2
kinase (51±6%;
P
=0.0005) and p38 (50±3%;
P
<0.0001) but not p44/42 (
P
=NS). In contrast to TF, DMSO did not affect expression of TF pathway inhibitor or plasminogen activator inhibitor-1. In vivo, DMSO treatment suppressed TF activity (41%;
P
<0.002) and prevented thrombotic occlusion in a mouse carotid artery photochemical injury model. DMSO also inhibited VSMC proliferation (70%;
P
=0.005) and migration (77%;
P
=0.0001) in a concentration-dependent manner; moreover, it prevented rapamycin and paclitaxel-induced upregulation of TF expression.
Conclusions—
DMSO suppresses TF expression and activity, as well as thrombus formation; in addition, it inhibits VSMC proliferation and migration. Given its routine use in modern clinical practice, we propose DMSO as a novel strategy for coating drug-eluting stents and treating acute coronary syndromes.
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Affiliation(s)
- Giovanni G Camici
- Cardiovascular Research, Physiology Institute, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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Gupta V, Keller A, Halliday W, Sanche S, Hassegawa W, Messner H, Kiss T, Lipton J. Cavernous sinus thrombosis presenting with diplopia in an allogeneic bone marrow transplant recipient. Am J Hematol 2004; 77:77-81. [PMID: 15307111 DOI: 10.1002/ajh.20145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Although neurological complications are common in patients undergoing allogeneic bone marrow transplant (alloBMT), cavernous sinus thrombosis (CST) has rarely been described. An allograft recipient is described who presented with diplopia and developed CST in the early post-transplant period likely caused by a filamentous fungus. Clinical course and serial radiological studies of this patient are described and correlated with autopsy findings.
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Affiliation(s)
- Vikas Gupta
- Department of Medical Oncology and Hematology, Princess Margaret Hospital/University Health Network, Toronto, Ontario, Canada.
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BEINTEMA DK, MOOK GA, WORST JG. RECORDING OF ARM-TO-RETINA CIRCULATION-TIME BY MEANS OF FUNDUS REFLECTOMETRY. A NEW PHOTO-ELECTRIC METHOD FOR THE DIAGNOSIS OF INTERNAL CAROTID ARTERY OCCLUSION. ACTA ACUST UNITED AC 1996; 148:163-8. [PMID: 14214677 DOI: 10.1159/000304680] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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HOUCK WS, JACKSON JR, ODOM GL, YOUNG WG. OCCLUSION OF THE INTERNAL CAROTID ARTERY IN THE NECK SECONDARY TO CLOSED TRAUMA TO THE HEAD AND NECK: A REPORT OF TWO CASES. Ann Surg 1996; 159:219-21. [PMID: 14119186 PMCID: PMC1408500 DOI: 10.1097/00000658-196402000-00006] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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DEBAKEY ME, CRAWFORD ES, COOLEY DA, MORRIS GC, GARRET HE, FIELDS WS. CEREBRAL ARTERIAL INSUFFICIENCY: ONE TO 11-YEAR RESULTS FOLLOWING ARTERIAL RECONSTRUCTIVE OPERATION. Ann Surg 1996; 161:921-45. [PMID: 14295943 PMCID: PMC1409105 DOI: 10.1097/00000658-196506000-00011] [Citation(s) in RCA: 160] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Anderson JH, Kaufman HH, Woo J, Handel SF. Transcatheter technique for producing intimal trauma for a canine vascular occlusion model. AJR Am J Roentgenol 1978; 130:793-4. [PMID: 416701 DOI: 10.2214/ajr.130.4.793] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Millikan CH. Cerebral circulation. JAMA 1978; 239:1313-5. [PMID: 633533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Abstract
The healing of the canine carotid endarterectomy was defined at intervals from 30 minutes to 3 months after surgery by means of angiography, light microscopy, and scanning electron microscopy. Immediately after flow was established, a fibrinplatelet carpet formed on the endarterectomized surface. A typical thrombus formed on this initial layer resulting in vessel occlusion in 52% of non-heparinized animals. By 48 hours after surgery, there was little evidence of active thrombus formation, and reendothelialization from existing endothelial cells was noted. One week later, most of the mural thrombus had disappeared and re-endothelialization was well underway; by 3 months after surgery, re-endothelialization was complete. Intraoperative heparinization resulted in a striking reduction in mural thrombus formation and 100% patency rate. Vessel closure with vein-patch grafts resulted in no improvement of vessel patency. However, the results of this aspect of the study cannot be totally extrapolated to human carotid endarterectomy for the reasons discussed. The survival of the vein-patch grafts was investigated.
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May R. [Therapy of arterial occlusive diseases from the surgical viewpoint]. Med Welt 1974; 25:1193-5. [PMID: 4411255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Abstract
Fourteen women taking oral contraceptives were admitted during a five-year period because of acute cerebrovascular lesions. A diagnosis of major cerebral embolism was established in four of them. No source of embolism was found, and thorough investigation failed to reveal any predisposing illness. Cerebral embolism was a probable diagnosis in several of the remaining 10 patients. A comparison was made with the strokes occurring in women not taking contraceptive pills in corresponding age groups.
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Sachweh D, Heberer G, Denecke H. Proceedings: Special problems in the postoperative course after reconstructive surgery for renal artery stenosis. J Cardiovasc Surg (Torino) 1973; 14:678-82. [PMID: 4764821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Navarro Artiles G. [Thrombosis of the intracraneal internal carotid artery]. Rev Clin Esp 1973; 130:153-62. [PMID: 4742342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Stroobandt G, Cornélis G, Dechef G, Maertens K, Evrard P. [Unusual circulatory aspects of carotidocavernous fistulas]. Neurochirurgie 1972; 18:333-46. [PMID: 4657794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Natali J. [Stenosis and occlusion of the internal carotid artery]. Maroc Med 1972; 52:405-11. [PMID: 4642404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Dumas M, Girard PL, Collomb H. [Carotido-sylvian occlusions in the black african child]. Nouv Presse Med 1972; 2:753-9. [PMID: 4661375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Natali J. [Stenosis and occlusion of the internal carotid artery]. J Sci Med Lille 1972; 90:49-58. [PMID: 5050410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Gupta MC, Ahuja OP, Kumar S. Cavernous sinus thrombosis. Report of a case with a brief review of the literature. Indian J Med Sci 1970; 24:748-53. [PMID: 5490367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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