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Artículos de revistas sobre el tema "Ischemia Etiology"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 29 de enero de 2023

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1

Natarajan, Balaji, Prashant Patel, and Ashis Mukherjee. "Acute Lower Limb Ischemia—Etiology, Pathology, and Management." International Journal of Angiology 29, no. 03 (June 27, 2020): 168–74. http://dx.doi.org/10.1055/s-0040-1713769.

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AbstractAcute limb ischemia (ALI) is a vascular emergency associated with a high risk for limb loss and death. Most cases result from in situ thrombosis in patients with preexisting peripheral arterial disease or those who have undergone vascular procedures including stenting and bypass grafts. The other common source is cardioembolic. The incidence has decreased in recent times due to better anticoagulation strategies. Patients with suspected ALI should be evaluated promptly by a vascular specialist and consideration should be given for transfer to a higher level of care if such expertise is

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Calugaru, Dan. "Etiology, pathogenesis, and diagnosis of neovascular glaucoma." International Journal of Ophthalmology 15, no. 6 (June 18, 2022): 1005–10. http://dx.doi.org/10.18240/ijo.2022.06.20.

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Neovascular glaucoma is defined as iris and/or anterior chamber angle neovascularization associated with increased intraocular pressure. It is a secondary glaucoma that is most frequently caused by severe retinal ischemia. The most common diseases responsible for the development of neovascular glaucoma are diabetic retinopathy, ischemic central retinal vein occlusion, and ocular ischemic syndrome. Uncommon causes include ocular radiation, ocular tumors, uveitis and other miscellaneous conditions. Vascular endothelial growth factor is an important and likely predominant agent involved in the pa

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3

Charron, Paul, and Jeff Smith. "Mesenteric Venulitis in a 71-Year-Old Man after Acute Appendicitis." American Surgeon 71, no. 7 (July 2005): 574–77. http://dx.doi.org/10.1177/000313480507100707.

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Mesenteric inflammatory veno-occlusive disease (MIVOD) is a clinicopathological entity recently described for a case series of patients with intestinal ischemia of unknown etiology. MIVOD is characterized as a venulitis with lymphocytic, necrotizing, or mixed granulomatous morphology. The disease seems to be self-limiting with resolution of symptoms after surgical resection. We describe a 71-year-old man who developed focal intestinal ischemia in the postoperative period after laparoscopic appendectomy. At re-exploration, a 20-cm segment of grossly ischemic jejunum was identified and resected.

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4

Gherman, Robert B., Marc H. Incerpi, Deborah A. Wing, and T. Murphy Goodwin. "Ballantyne syndrome: Is placental ischemia the etiology?" Journal of Maternal-Fetal and Neonatal Medicine 7, no. 5 (January 1998): 227–29. http://dx.doi.org/10.3109/14767059809020448.

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5

Dobrilovic, Nick, Bryan J. Ellis, and Creighton B. Wright. "Vasculitis as an etiology for mesenteric ischemia." American Journal of Gastroenterology 95, no. 9 (September 2000): 2570. http://dx.doi.org/10.1111/j.1572-0241.2000.02907.x.

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6

Pineles, S. L., M. Y. Chang, E. L. Oltra, M. S. Pihlblad, J. P. Davila-Gonzalez, T. C. Sauer, and F. G. Velez. "Anterior segment ischemia: etiology, assessment, and management." Eye 32, no. 2 (November 17, 2017): 173–78. http://dx.doi.org/10.1038/eye.2017.248.

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7

Earnshaw, Jonothan J. "Demography and etiology of acute leg ischemia." Seminars in Vascular Surgery 14, no. 2 (June 2001): 86–92. http://dx.doi.org/10.1053/svas.2001.23158.

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8

Dyck, P. J., H. Yasuda, J. Karnes, A. Lais, P. OʼBrien, and E. J. Service. "ISCHEMIA IN THE ETIOLOGY OF DIABETIC POLYNEUROPATHY." Journal of Neuropathology and Experimental Neurology 44, no. 3 (May 1985): 346. http://dx.doi.org/10.1097/00005072-198505000-00127.

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9

Gherman, Robert B., Marc H. Incerpi, Deborah A. Wing, and T. Murphy Goodwin. "Ballantyne syndrome: Is placental ischemia the etiology?" Journal of Maternal-Fetal Medicine 7, no. 5 (September 1998): 227–29. http://dx.doi.org/10.1002/(sici)1520-6661(199809/10)7:5<227::aid-mfm3>3.0.co;2-i.

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10

Rink, Cameron, and Savita Khanna. "MicroRNA in ischemic stroke etiology and pathology." Physiological Genomics 43, no. 10 (May 2011): 521–28. http://dx.doi.org/10.1152/physiolgenomics.00158.2010.

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Small, noncoding, microRNAs (miRNAs) have emerged as key mediators of posttranscriptional gene silencing in both pathogenic and pathological aspects of ischemic stroke biology. In stroke etiology, miRNA have distinct expression patterns that modulate pathogenic processes including atherosclerosis (miR-21, miR-126), hyperlipidemia (miR-33, miR-125a-5p), hypertension (miR-155), and plaque rupture (miR-222, miR-210). Following focal cerebral ischemia, significant changes in the miRNA transcriptome, independent of an effect on expression of miRNA machinery, implicate miRNA in the pathological casc

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11

Küçükşahin, Orhan, Aşkın Ateş, Alexis K. Okoh, Emre Kulahcioglu, Murat Turgay, and Gülay Kınıklı. "Treatment Resistant Severe Digital Ischemia Associated with Antiphospholipid Syndrome in a Male Patient with Systemic Sclerosis." Case Reports in Rheumatology 2014 (2014): 1–3. http://dx.doi.org/10.1155/2014/291382.

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We report the case of a male patient with limited cutaneous systemic sclerosis (SSc) that was complicated with severe digital ischemia, resistant to medical treatment. Due to the lack of treatment response, further laboratory and imaging studies were conducted. Findings were compatible with antiphospholipid syndrome and oral warfarin was added to the treatment regimen. After successful anticoagulation no further recurrences of digital ischemia were seen. An underlying etiology in SSc patients with treatment resistant digital ischemic necrosis should be suspected for accompanying antiphospholip

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12

Pommergaard, Hans-Christian, Michael Patrick Achiam, Jakob Burcharth, and Jacob Rosenberg. "Impaired Blood Supply in the Colonic Anastomosis in Mice Compromises Healing." International Surgery 100, no. 1 (January 1, 2015): 70–76. http://dx.doi.org/10.9738/intsurg-d-13-00191.1.

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Abstract Colon anastomotic leakage has a multifactorial etiology and ischemia is considered one of the most important single factors. However, no existing animal models have established a direct link between ischemia and anastomotic leakage. The aim of this study was to establish a model of colon anastomotic leakage as a result of tissue ischemia. In colon anastomoses of 53 C57BL/6 mice, varying degrees of ischemia were induced. Supplying vessels were divided with bipolar coagulation in order to reduce anastomotic breaking strength and create clinical anastomotic leakage. Breaking strength of

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13

Bouomrani, Salem, Salem Bouomrani, Oussema Souissi, Mouna Guermazi, Mouna Guermazi, Souad Yahyaoui, and Safa Trabelsi. "An Unexpected Etiology of Myocardial Ischemia in Young." Journal Of Hypertension And Cardiology 2, no. 4 (April 8, 2019): 13–19. http://dx.doi.org/10.14302/issn.2329-9487.jhc-19-2719.

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Introduction The cardiac localization of hydatid cyst (HC) is rare and little known. It is exceptionally primary and isolated. Myocardial ischemia remains an exceptional and unusual manifestation of this localization. We report the original observation of cardiac HC revealed by acute myocardial ischemia in a young subject. Observation A 35-year-old patient with no notable pathological history was admitted to our department via the emergency room for acute anterior chest pain. The somatic examination was without abnormalities as well as the baseline biological tests. The electrocardiogram demon

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14

Wiśniewski, Adam, Karolina Filipska, Joanna Sikora, and Grzegorz Kozera. "Aspirin Resistance Affects Medium-Term Recurrent Vascular Events after Cerebrovascular Incidents: A Three-Year Follow-up Study." Brain Sciences 10, no. 3 (March 19, 2020): 179. http://dx.doi.org/10.3390/brainsci10030179.

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Background: The aim of this prospective, a three-year follow-up study, was to establish the role of high on-treatment platelet reactivity (HTPR) in predicting the recurrence of vascular events in patients after cerebrovascular incidents, particularly in the aspect of stroke etiology. Methods: The study included 101 subjects with non-embolic cerebral ischemia (69 patients with ischemic stroke and 32 patients with transient ischemic attack) treated with 150 mg of acetylsalicylic acid (aspirin) a day. The platelet reactivity was tested in the first 24 h after the onset of cerebral ischemia by imp

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15

Tjandra, H. "Neonatal Necrotizing Enterocolitis." Paediatrica Indonesiana 18, no. 9-10 (June 13, 2017): 287. http://dx.doi.org/10.14238/pi18.9-10.1978.287-98.

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Neonatal Necrotizing Enterocolitis (NEC) is a highly lethal disease of the newborn infant, which has aroused great interest in the past decades. It is characterized by ischemic necrosis of the intestinal wall, frequently leading to perforation and death. Unlike most neonatal emergencies, it is acquired and can be successfully treated without operation in most cases.The etiology is still obscure and is considered to be multifactorial. Intesti11al ischemia, infections, cow's milk, and hyperosmolar feeding are among the important factors associated with the pathogenesis of NEC in the newborn Many

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16

Johnston, William E. "Preconditioning the Brain and Heart: Implications for Cardiac Surgery." Seminars in Cardiothoracic and Vascular Anesthesia 4, no. 2 (July 2000): 70–79. http://dx.doi.org/10.1053/vc.2000.6483.

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Despite many recent advances in emboli detection, aortic imaging, myocardial preservation, and perfusion equipment, ischemic injury to the heart and brain remains a serious complications after cardiac surgery. Hypoperfusion (particularly in the heart) and microem boli (particularly in the brain) during cardiopulmonary bypass constitute the etiology of ischemia. Although hypothermia has traditionally been the mainstay for systemic protection from transient ischemia, there has been a general trend to accept warmer heart and core temperatures during bypass, which increases the poten tial for isch

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17

Lendzion, Rebecca J., Gert Frahm-Jensen, and James Keck. "Acute Mesenteric Ischemia." Clinics in Colon and Rectal Surgery 35, no. 03 (May 2022): 227–36. http://dx.doi.org/10.1055/s-0042-1743283.

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AbstractThe surgical treatment of occlusive acute mesenteric ischemia (AMI) without revascularization is associated with an 80% overall mortality. Early diagnosis is crucial, and revascularization may reduce overall mortality in AMI by up to 50%. A diagnosis of AMI requires a high index of clinical suspicion and the collaborative effort of emergency department physicians, general and vascular surgeons, and radiologists. This article provides an overview of the etiology, physiology, evaluation, and management of acute mesenteric ischemia.

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18

Almeida, Leila Azevedo de, João Carlos Hueb, Marcos Augusto de Moraes Silva, Rodrigo Bazan, Bruna Estrozi, and Cesar N. Raffin. "Cerebral ischemia as initial neurological manifestation of atrial myxoma: case report." Arquivos de Neuro-Psiquiatria 64, no. 3a (September 2006): 660–63. http://dx.doi.org/10.1590/s0004-282x2006000400027.

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Cerebral infarctions of cardiac etiology are observed in around 20% of patients with ischemic stroke. Cerebral ischemia is the first clinical manifestation in 1/3 of cases of atrial myxomas. Although almost half of patients with atrial myxoma show changes at neurological exam, non-hemorrhagic cerebral infarction is seen in computed tomography in practically all cases. We present the case of a 40 year-old woman whose first clinical manifestation of atrial myxoma was an ischemic stroke. We point out to the possibility of silent cerebral infarction in atrial myxoma patients.

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19

Dee, Simpson L., Khalid Butt, and Gita Ramaswamy. "Intestinal Ischemia." Archives of Pathology & Laboratory Medicine 126, no. 10 (October 1, 2002): 1201–4. http://dx.doi.org/10.5858/2002-126-1201-ii.

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Abstract Context.—As rejection in renal transplantation has become better controlled, gastrointestinal complications have become increasingly important. Ischemic colitis and colonic perforation are the most common of these lesions, contributing to morbidity and mortality in the early postoperative period. Objective.—We undertook this study to identify factors contributing to the risk of intestinal ischemia in patients undergoing renal transplantation and to define circumstances that may affect that risk. Methods.—We studied 356 patients undergoing renal transplantation during a 40-month period

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20

Helwani, Mohammad A., Amit Amin, Paul Lavigne, Srikar Rao, Shari Oesterreich, Eslam Samaha, Jamie C. Brown, and Peter Nagele. "Etiology of Acute Coronary Syndrome after Noncardiac Surgery." Anesthesiology 128, no. 6 (June 1, 2018): 1084–91. http://dx.doi.org/10.1097/aln.0000000000002107.

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Abstract Background The objective of this investigation was to determine the etiology of perioperative acute coronary syndrome with a particular emphasis on thrombosis versus demand ischemia. Methods In this retrospective cohort study, adult patients were identified who underwent coronary angiography for acute coronary syndrome within 30 days of noncardiac surgery at a major tertiary hospital between January 2008 and July 2015. Angiograms were independently reviewed by two interventional cardiologists who were blinded to clinical data and outcomes. Acute coronary syndrome was classified as ST–

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21

Iacobellis, Francesca, Donatella Narese, Daniela Berritto, Antonio Brillantino, Marco Di Serafino, Susanna Guerrini, Roberta Grassi, Mariano Scaglione, Maria Antonietta Mazzei, and Luigia Romano. "Large Bowel Ischemia/Infarction: How to Recognize It and Make Differential Diagnosis? A Review." Diagnostics 11, no. 6 (May 30, 2021): 998. http://dx.doi.org/10.3390/diagnostics11060998.

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Ischemic colitis represents the most frequent form of intestinal ischemia occurring when there is an acute impairment or chronic reduction in the colonic blood supply, resulting in mucosal ulceration, inflammation, hemorrhage and ischemic necrosis of variable severity. The clinical presentation is variable and nonspecific, so it is often misdiagnosed. The most common etiology is hypoperfusion, almost always associated with generalized atherosclerotic disease. The severity ranges from localized and transient ischemia to transmural necrosis of the bowel wall, becoming a surgical emergency, with

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22

Saileela, R., C. Shanthi, Krishna Manohar, Raghavan Subramanyan, and KM Cherian. "Myocardial ischemia following arterial switch operation: An uncommon etiology." Annals of Pediatric Cardiology 5, no. 2 (2012): 194. http://dx.doi.org/10.4103/0974-2069.99626.

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23

Castro, Victor J., Cesar Larrauri, and Alfonso Bryce. "Transient ischemia as a possible etiology for ventricular dysfunction." Journal of the American College of Cardiology 39, no. 1 (January 2002): 181. http://dx.doi.org/10.1016/s0735-1097(01)01690-4.

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24

Trompeter, Markus, Thurid Brazda, Christopher T. Remy, Thomas Vestring, and Peter Reimer. "Non-occlusive mesenteric ischemia: etiology, diagnosis, and interventional therapy." European Radiology 12, no. 5 (December 21, 2001): 1179–87. http://dx.doi.org/10.1007/s00330-001-1220-2.

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25

Grau, Armin J., Martin Eicke, Christoph Burmeister, Roland Hardt, Eberhard Schmitt, and Sieghard Dienlin. "Risk of Ischemic Stroke and Transient Ischemic Attack Is Increased up to 90 Days after Non-Carotid and Non-Cardiac Surgery." Cerebrovascular Diseases 43, no. 5-6 (2017): 242–49. http://dx.doi.org/10.1159/000460827.

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Background: The risk of stroke after cardiac and carotid surgery is well established. In contrast, stroke risk in association with non-cardiac and non-carotid surgery and its time course are insufficiently known. We investigated the prevalence of recent and planned surgery among patients with stroke and transient ischemic attack (TIA), time dependency of stroke risk, stroke etiology, and interruption of antithrombotic medication in association with surgery. Methods: Data on type and date of surgery and similar interventions within the last year or planned for the next 2 weeks were anonymously

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O'Leary, Michael P., Angela L. Neville, Jessica A. Keeley, Dennis Y. Kim, Christian De Virgilio, and David S. Plurad. "Predictors of Ischemic Bowel in Patients with Small Bowel Obstruction." American Surgeon 82, no. 10 (October 2016): 992–94. http://dx.doi.org/10.1177/000313481608201030.

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Preoperative diagnosis of ischemic bowel in patients with small bowel obstruction (SBO) is a clinical challenge. The aim of this study was to identify preoperative variables associated with ischemic bowel found at operative exploration. We performed a 5-year retrospective review of patients admitted to a university affiliated, county funded hospital who underwent exploratory laparoscopy or laparotomy for SBO. Patients were excluded if they had a known preoperative malignancy or hernia on physical examination. Multivariate logistic regression was used to determine factors independently associat

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Finkelstone, Lee, Ellen Wolf, and Marjorie W. Stein. "Etiology of Small Bowel Thickening on Computed Tomography." Canadian Journal of Gastroenterology 26, no. 12 (2012): 897–901. http://dx.doi.org/10.1155/2012/282603.

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BACKGROUND: Abdominal pain is often evaluated using imaging, most often with computed tomography (CT). While CT is sensitive and specific for certain diagnoses, small bowel thickening is a nonspecific finding on CT with a broad differential diagnosis including infection, inflammation, ischemia and neoplasm.METHOD: A review of medical records of patients who underwent CT scans of the abdomen and pelvis over a one-year period and exhibited small bowel thickening were retrospectively evaluated to determine the final diagnosis.RESULTS: The etiologies of small bowel thickening on CT were as follows

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Betül Gunduz, Zahide, and Aysun Ozsahin. "Acute ischemic stroke in young adult: Atrial fibrillation, hyperthyroidism, and COVID-19 collaboration." SAGE Open Medical Case Reports 9 (January 2021): 2050313X2110486. http://dx.doi.org/10.1177/2050313x211048632.

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Atrial fibrillation is a frequently detected cardiac arrhythmia in the etiology of ischemic stroke. The incidence of atrial fibrillation and the risk of it causing ischemic stroke increase significantly with age; it is rare in young people. It is known that the risk of developing atrial fibrillation is high when there is a background of hyperthyroidism. COVID-19 is thought to cause thromboembolic events, cardiac pathologies, and endocrine disorders. A 54-year-old presented with right-sided hemiplegia and motor aphasia of 1.5 h duration. On evaluation, he tested positive for SARS-CoV-2 imaging

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Schweizer, Sophie, Andreas Meisel, and Stefanie Märschenz. "Epigenetic Mechanisms in Cerebral Ischemia." Journal of Cerebral Blood Flow & Metabolism 33, no. 9 (June 12, 2013): 1335–46. http://dx.doi.org/10.1038/jcbfm.2013.93.

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Treatment efficacy for ischemic stroke represents a major challenge. Despite fundamental advances in the understanding of stroke etiology, therapeutic options to improve functional recovery remain limited. However, growing knowledge in the field of epigenetics has dramatically changed our understanding of gene regulation in the last few decades. According to the knowledge gained from animal models, the manipulation of epigenetic players emerges as a highly promising possibility to target diverse neurologic pathologies, including ischemia. By altering transcriptional regulation, epigenetic modi

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Shreshtha, Suruchi, Ashu K. Sekhose, and Sujitha S. "Acute mesenteric ischemia with tuberculous mesenteric lymphadenitis in a young female." International Surgery Journal 4, no. 5 (April 22, 2017): 1809. http://dx.doi.org/10.18203/2349-2902.isj20171646.

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We present the case of an 18 year old female with tuberculous mesenteric lymphadenopathy who came to hospital with peritonitis and acute mesenteric ischemia. An emergency exploratory laparotomy with resection of gangrenous small bowel and right colon with end-to-end anastomosis was performed. Subsequent evaluation for etiology of bowel gangrene was essentially normal. By exclusion, the most likely cause of acute mesenteric ischemia in this patient was of unknown etiology which is indeed rare. However, tuberculosis as a cause of mesenteric vasculitis and bowel gangrene needs to be explored.

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Kurtz, Brian, Abdalhai Alshoubi, Katrina Nguyen, and Eric Gehres. "Methamphetamine-Induced Bowel Ischemia in a 50-Year-Old Male." Case Reports in Critical Care 2022 (April 5, 2022): 1–4. http://dx.doi.org/10.1155/2022/9690034.

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Methamphetamine intoxication is a known risk factor for nonocclusive mesenteric ischemia (NOMI). We describe a case of a 50-year-old male with a history of polysubstance abuse who presented to the Emergency Department with severe abdominal pain and coffee-ground emesis. Computed tomographic (CT) imaging demonstrated portal venous gas and diffuse colonic wall thickening concerning for ischemic colitis. The patient underwent exploratory laparotomy with resection of the ascending colon as well as a necrotic section of the jejunum. Further embolic workup was negative with a subjective history of a

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Witte, Otto W., Hans-J. Bidmon, Klaus Schiene, Christoph Redecker, and Georg Hagemann. "Functional Differentiation of Multiple Perilesional Zones after Focal Cerebral Ischemia." Journal of Cerebral Blood Flow & Metabolism 20, no. 8 (August 2000): 1149–65. http://dx.doi.org/10.1097/00004647-200008000-00001.

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Transient and permanent focal cerebral ischemia results in a series of typical pathophysiologic events. These consequences evolve in time and space and are not limited to the lesion itself, but they can be observed in perilesional (penumbra) and widespread ipsi- and sometimes contralateral remote areas (diaschisis). The extent of these areas is variable depending on factors such as the type of ischemia, the model, and the functional modality investigated. This review describes some typical alterations attributable to focal cerebral ischemia using the following classification scheme to separate

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33

Ernandes Neto, Miguel, Lucas de Moraes Soler, Halita Vieira Gallindo Vasconcelos, Daniela Cristina dos Santos, Rosa Marlene Viero, and Luis Gustavo Modelli de Andrade. "Histopathological features of thrombotic microangiopathies in renal biopsies." Journal of Nephropathology 8, no. 3 (July 12, 2019): 27. http://dx.doi.org/10.15171/jnp.2019.27.

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Background: Thrombotic microangiopathy (TMA) is a morphologic lesion characterized by thrombi occluding microvasculature related to endothelial injury. Objectives: This study aimed to assess the association between histopathological findings and etiology of TMA. Patients and Methods: This cross-sectional study comprised a sample of 34 patients who underwent renal biopsy and received an initial TMA diagnoses resulting in 29 definitive TMA cases. We evaluated the TMA features and clinical histopathological correlation. Results: The most frequent etiologies were atypical hemolytic uremic syndrome

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O’Keefe, Elizabeth, Katherine E. Schwetye, John Nazarian, Richard Perrin, Robert E. Schmidt, and Robert Bucelli. "A 66-Year-Old Woman with a Progressive, Longitudinally Extensive, Tract Specific, Myelopathy." Case Reports in Neurological Medicine 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/4125294.

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A 66-year-old woman presented with progressive lancinating pain and sensory deficits attributable to a myelopathy of unclear etiology. Spinal cord magnetic resonance imaging showed a longitudinally extensive T2-hyperintense lesion of the dorsal columns. Comprehensive serum, urine, and cerebrospinal fluid analyses failed to identify an etiology. Empiric intravenous methylprednisolone and intravenous immunoglobulin were of no benefit and serial screens for an occult malignancy were negative. She developed dysesthesias and allodynia affecting her entire body and lost the use of her arms and legs

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Fayzieva, Munis Dilshod qizi, and Durdona Djurabaevna Usmanova. "FEATURES OF COGNITIVE IMPAIRMENT DEPENDING ON THE STAGE OF CHRONIC CEREBRAL ISCHEMIA." UZBEK MEDICAL JOURNAL 2, no. 1 (January 30, 2021): 56–61. http://dx.doi.org/10.26739/2181-0664-2021-1-10.

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The article presents the results of the analysis of literature sources on chronic cerebral ischemia, etiology and pathogenetic mechanisms of the development of cognitive impairment. In the pathogenesis of chronic cerebral ischemia, systemic and local factors are important, leading to disorders of cerebral hemodynamics, the most adverse effect is exerted by their combination. The most common cause of local disorders of cerebral blood flow is atherosclerotic stenosis and occlusion of intracerebral and extracranial vesselsthat perform transport and distribution functions.Keywords: chronic cerebra

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Majumder, Sabbiha Nadia, Abdul Kader Sheikh, Mehjabeen Jahangir, and Romana Chowdhury. "Moyamoya Disease Presenting as Ischemic Stroke Following Heamorrhagic Strokein a 46-year-old Man: A Case Report." Bangladesh Medical Journal 48, no. 1 (October 23, 2019): 54–58. http://dx.doi.org/10.3329/bmj.v48i1.50193.

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Moyamoya is a rare cerebrovascular disease of unknown etiology. It can affect both children and adults. Ischemic symptoms are common in younger age while adults presents with intracranial hemorrhage. Cerebral ischemia after hemorrhage within a narrow time frame or simultaneous presentation with both hemorrhage and ischemia in the same clinical setting is a rare encounter. Diagnosis is confirmed by doing cerebral angiogram. Here, we report a case of 46-year-old man who presented with hemiparesis and imaging of brain showed ishaemic stroke initially and subsequently he also developed haemorrhagi

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Rangel Guerra, R., and J. Montemayor-Montoya. "PO02-MO-10 Essential thrombocytosis as etiology of cerebral ischemia." Journal of the Neurological Sciences 285 (October 2009): S165. http://dx.doi.org/10.1016/s0022-510x(09)70631-8.

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Roy, Sashwati, Sabyasachi Biswas, Savita Khanna, Gayle Gordillo, Valerie Bergdall, Jeanne Green, Clay B. Marsh, Lisa J. Gould, and Chandan K. Sen. "Characterization of a preclinical model of chronic ischemic wound." Physiological Genomics 37, no. 3 (May 2009): 211–24. http://dx.doi.org/10.1152/physiolgenomics.90362.2008.

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Chronic ischemic wounds presenting at wound clinics are heterogeneous with respect to etiology, age of the wound, and other factors complicating wound healing. In addition, there are ethical challenges associated with collecting repeated biopsies from a patient to develop an understanding of the temporal dynamics of the mechanisms underlying chronic wounds. The need for a preclinical model of ischemic wound is therefore compelling. The porcine model is widely accepted as an excellent preclinical model for human wounds. A full-thickness bipedicle flap approach was adopted to cause skin ischemia

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Cao, Cathy, Ashley Martinelli, Brian Spoelhof, Rafael H. Llinas, and Elisabeth B. Marsh. "In Potential Stroke Patients on Warfarin, the International Normalized Ratio Predicts Ischemia." Cerebrovascular Diseases Extra 7, no. 2 (August 11, 2017): 111–19. http://dx.doi.org/10.1159/000478793.

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Background: Stroke can occur in patients on warfarin despite anticoagulation. Patients with a low international normalized ratio (INR) should theoretically be at greater risk for ischemia than those who are therapeutic. Therefore, INR may be able to indicate whether new neurological deficits are more likely strokes or stroke mimics in patients on warfarin. This study evaluates the association and predictive value of INR in determining the likelihood of ischemia. Methods: Patients were identified using the acute stroke registry at a Primary Stroke Center from January 2013 through December 2014.

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Gurung, Anu, Ramesh Raj Bist, Sagar Rajkarnikar, and Ram Shrestha. "Causes of Isolated Oculomotor Nerve Palsy in Patients Presenting to Eye Outpatient Department at Shree Birendra Hospital." Medical Journal of Shree Birendra Hospital 11, no. 1 (March 13, 2013): 21–23. http://dx.doi.org/10.3126/mjsbh.v11i1.7762.

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Introduction: Although oculomotor nerve palsy is associated with signifycant morbidity. The etiology of oculomotor nerve palsy are ischemic, trauma, aneurysm, tumors, inflammatory, idiopathic etc. The present study was performed to determine the etiology of isolated oculomotor nerve palsy in our population. Methods: The hospital data of patients of isolated oculomotor nerve palsy cases reported to the eye department of Shree Birendra Hospital from March 2009 to March 2011 were collected and retrospectively analyzed for the etiology of the disease. The detail history (ocular and medical), exami

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Shavkuta, G. V. "Chronic mesenteric ischemia." South Russian Journal of Therapeutic Practice 3, no. 3 (October 4, 2022): 108–15. http://dx.doi.org/10.21886/2712-8156-2022-3-3-108-115.

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Federation Despite the increased interest of the scientific community in diseases associated with atherosclerosis, the widespread use and availability in clinical practice of diagnostic research methods (Doppler ultrasound, CT, MRI), allowing to visualize the vessels of the abdominal cavity, chronic mesenteric ischemia remains an underestimated, undiagnosed and insufficiently studied disease, mainly due to the lack of knowledge and awareness among doctors, which leads to delays in diagnosis and delayed treatment of patients, which significantly increases the risk of death. Currently, new recom

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Stewart, David, and Kenneth Waxman. "Marathon Pancreatitis: Is the Etiology Repetitive Trauma?" American Surgeon 70, no. 6 (June 2004): 561–63. http://dx.doi.org/10.1177/000313480407000622.

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Abdominal pain frequently occurs after long-distance running. The cause of the pain may be due to dehydration, diaphragmatic ischemia, muscular spasm, or myonecrosis. However, data regarding the frequency of these purported causes are currently lacking. Pancreatitis can also occur after long-distance running, but few cases have been reported, and the etiology is controversial. We report a case of pancreatitis in a thin, muscular marathon runner. We suggest the etiology in this case may be traumatic as the pancreas may have suffered repetitive injury against the posterior abdominal wall and spi

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Andreeva, Kalina, Meixia Zhang, Wei Fan, Xiaohong Li, Yinlu Chen, Jovan D. Rebolledo-Mendez, and Nigel G. Cooper. "Time-Dependent Gene Profiling Indicates the Presence of Different Phases for Ischemia/Reperfusion Injury in Retina." Ophthalmology and Eye Diseases 6 (January 2014): OED.S17671. http://dx.doi.org/10.4137/oed.s17671.

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Ischemia/reperfusion (IR) injury has been associated with several retinal pathologies, and a few genes/gene products have been linked to IR injury. However, the big picture of temporal changes, regarding the affected gene networks, pathways, and processes remains to be determined. The purpose of the present study was to investigate initial, intermediate, and later stages to characterize the etiology of IR injury in terms of the pathways affected over time. Analyses indicated that at the initial stage, 0-hour reperfusion following the ischemic period, the ischemia-associated genes were related

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Henson, John W., Tara Benkers, and Connor McCormick. "Brainstem ischemic syndrome in juvenile NF2." Neurology Genetics 6, no. 4 (June 16, 2020): e446. http://dx.doi.org/10.1212/nxg.0000000000000446.

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ObjectiveA new case of brainstem ischemic necrosis in a young woman with de novo neurofibromatosis type 2 (NF2) is reported, and given notable similarities to 7 prior cases of brainstem stroke in the literature, features defining a possible syndrome were sought.MethodsCase review including detailed clinical assessment, neuroimaging analysis, genetic testing, and brain biopsy, followed by a multicase analysis.ResultsBrainstem ischemia in juvenile NF2 typically occurs in teenagers without previously known NF2 as an acute, monophasic presentation with restricted diffusion in the midbrain or pons

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Wallace, Alex, Yash Pershad, Aman Saini, Sadeer Alzubaidi, Sailendra Naidu, Grace Knuttinen, and Rahmi Oklu. "Computed tomography angiography evaluation of acute limb ischemia." Vasa 48, no. 1 (January 1, 2019): 57–64. http://dx.doi.org/10.1024/0301-1526/a000759.

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Abstract. Acute limb ischemia (ALI), a subclass of critical limb ischemia, is a medical emergency. The cause of ALI is usually thrombotic or embolic in nature, and the specific etiology often dictates the appropriate therapy. While the diagnosis is a clinical with common presenting symptoms, advances in ultrasound, computed tomography, and magnetic resonance technology have impacted the diagnosis and subsequent therapy. In ALI, the time to revascularization is critical and computed tomography angiography (CTA) provides a highly sensitive and specific technique for rapidly identifying occlusion

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GOVAERT, PAUL, PIET VANHAESEBROUCK, CLAUDINE DE PRAETER, URLIEN FRÄNKEL, and JULES LEROY. "Moebius Sequence and Prenatal Brainstem Ischemia." Pediatrics 84, no. 3 (September 1, 1989): 570–73. http://dx.doi.org/10.1542/peds.84.3.570.

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Congenital nonprogressive (bilateral) facial palsy and external ophthalmoplegia are essential clinical features for the diagnosis of Moebius syndrome. One century after its initial thorough description, the precise delineation and pathogenesis of the syndrome still remain obscure. Heuristic hypotheses concerning the latter have been put forward. Three major theories of etiology remain valid: primary brainstem nuclear hypoplasia, secondary brainstem nuclear degeneration, and brainstem atrophy secondary to muscular defect. None of these theories easily explains why, apart from cranial nerve dysf

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Girvan, RJ, PA Stone, and JJ McGarry. "Acute dysvascular limb in a young adult. A case study." Journal of the American Podiatric Medical Association 84, no. 12 (December 1, 1994): 591–97. http://dx.doi.org/10.7547/87507315-84-12-591.

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Acute dysvascular limb in young adults is a rare entity. Diagnosis is often difficult because symptoms are not recognized as ischemic. The most common causes of this condition are premature atherosclerosis, thromboangiitis obliterans, microemboli, popliteal entrapment syndrome, collagen vascular disease, Takaysu's arteritis, and coagulopathy. A case study is presented to illustrate the disease process. A systematic approach to diagnosis, consisting of history and physical examination, palpation and auscultation of peripheral pulses at rest and following exercise, and noninvasive vascular exami

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Khalifah, MosaadAbdaljawwad. "Risk Factors, Etiology and Treatment Modalities for Localized Alveolar Ischemia (The So-called Alveolar Osteitis): A Comprehensive Critical." Annals of Oral Health and Dental Research 2, no. 1 (January 17, 2018): R7–14. http://dx.doi.org/10.21276/aohdr.1917.

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Schiopu, Elena, Ann J. Impens, and Kristine Phillips. "Digital Ischemia in Scleroderma Spectrum of Diseases." International Journal of Rheumatology 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/923743.

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Systemic Sclerosis (Scleroderma, SSc) is a disease of unknown etiology characterized by widespread vasculopathy and extracellular matrix deposition leading to fibrosis and autoimmune processes. Digital ischemia (digital ulcers (DUs)) is the hallmark of SSc-related vasculopathy and is characterized by endothelial dysfunction leading to intimal proliferation and thrombosis. It happens frequently (30% of the patients each year) and it is associated with significant morbidity. This paper summarizes the current information regarding pathogenesis, definitions, management, and exploratory therapies i

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Makó, Katalin, Corina Ureche, and Emőke Horváth. "Large-vessel Giant Cell Arteritis: A Rare Cause of Acute Upper Limb Ischemia – Case Presentation and Review of the Literature." Journal Of Cardiovascular Emergencies 5, no. 4 (December 1, 2019): 148–53. http://dx.doi.org/10.2478/jce-2019-0017.

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Abstract Introduction: Acute upper extremity ischemia is an uncommon vascular emergency due to a relatively rich collateral network and low workload of the upper limb. Its consequences depend on the site and etiology of the arterial occlusion. Case presentation: Aiming to emphasize the emerging role of Doppler ultrasound in the diagnosis of acute upper limb ischemia, we report the case of a 70-year-old female, with severe left arm resting pain and digital cyanosis. Due to the patient’s age and the presence of cardiovascular risk factors, cardioembolic or thrombotic arterial occlusion would hav

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