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Condition: Sickle Cell Anemia

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Total 1318 results found since Jan 2013.

Association between recent cannabinoid use and acute ischemic stroke
Conclusion This is one of the few studies analyzing the association of recent cannabis use and AIS using admission urine toxicology test independent of polysubstance use. Although our study has limitations, we did not find an independent association between recent cannabis use and the incidence of AIS. Further studies using urine toxicology tests with larger sample size and including dosage of cannabis exposure should be conducted.
Source: Neurology Clinical Practice - August 9, 2020 Category: Neurology Authors: San Luis, C. V., O'Hana S. Nobleza, C., Shekhar, S., Sugg, R., Villareal, D. J., Mehta, T., Gangadhara, S. Tags: All Cerebrovascular disease/Stroke, Other toxicology Research Source Type: research

Platelet Count Predicts Adverse Clinical Outcomes After Ischemic Stroke or TIA: Subgroup Analysis of CNSR II
Conclusion: In ischemic stroke or TIA patients with platelet count within normal range, platelet count may be a qualified predictor for long-term recurrent stroke, mortality, and poor functional outcome. Introduction Platelets exert a critical role in the pathogenesis of atherosclerotic complications of cardio-cerebrovascular disease, contributing to thrombus formation, and embolism (1, 2). Previous literature reported that platelets of various size and density are produced by megakaryocytes of different size and stages of maturation in different clinical conditions, suggesting various platelet patterns in differen...
Source: Frontiers in Neurology - April 11, 2019 Category: Neurology Source Type: research

Elevated Levels of CD64 MFI on Monocyte Subsets Are Associated with a History of Stroke in Sickle Cell Disease
Conclusion: Levels of monocyte subsets have been shown to correlate with clinical outcomes in non-SCD stroke, but to our knowledge this is the first study to examine their roles in ischemic stroke in SCD. The pathophysiology of stroke in SCD is unique and the role of monocytes in it deserves separate study from the role of monocytes in non-SCD stroke. We saw that while monocyte subsets were associated with a history of ischemic stroke, CD64 MFI on all monocyte subsets showed a strong association. We wonder if this may be due to CD64 MFI being a marker for cells which are more adherent to endothelium as has been shown in pr...
Source: Blood - November 21, 2018 Category: Hematology Authors: Curtis, S. A., Balbuena-Merle, R., Devine, L., Zelterman, D., Roberts, J. D., Dearborn-Tomazos, J., Sansing, L., Hendrickson, J. E. Tags: 114. Hemoglobinopathies, Excluding Thalassemia-Clinical: Poster I Source Type: research

Blood transfusion for preventing primary and secondary stroke in people with sickle cell disease.
CONCLUSIONS: The STOP trial demonstrated a significantly reduced risk of stroke in participants with abnormal transcranial Doppler ultrasonography velocities receiving regular blood transfusions. The follow-up trial (STOP 2) indicated that individuals may revert to former risk status if transfusion is discontinued. The degree of risk must be balanced against the burden of chronic transfusions. The combination of hydroxyurea and phlebotomy is not as effective as "standard" transfusion and chelation in preventing secondary stroke and iron overload. Ongoing multicentre trials are investigating the use of chronic transfusion t...
Source: Cochrane Database of Systematic Reviews - November 14, 2013 Category: Journals (General) Authors: Wang WC, Dwan K Tags: Cochrane Database Syst Rev Source Type: research

Hypertensive disorders and pregnancy-related stroke: frequency, trends, risk factors, and outcomes.
CONCLUSION: Having traditional stroke risk factors substantially increased the stroke risk among hypertensive disorders of pregnancy hospitalizations. Stroke with hypertensive disorders in pregnancy had two distinctive characteristics: a greater increase in frequency since the mid-1990s and significantly higher stroke-related complication rates. LEVEL OF EVIDENCE: : III. PMID: 25560114 [PubMed - in process]
Source: Obstetrics and Gynecology - January 1, 2015 Category: OBGYN Authors: Leffert LR, Clancy CR, Bateman BT, Bryant AS, Kuklina EV Tags: Obstet Gynecol Source Type: research

E-021 Pathophysiology, stroke types, collateral formation and aneurysms in moyamoya disease/moya moya syndrome
ConclusionsMMD is presented most commonly with ischemic stroke in the pediatric age group and with hemorrhagic stroke in the adult age group. MMD-associated intracranial aneurysms frequently occur in patients presenting with hemorrhagic unilateral MMD and are associated with an extremely high rate of rupture. Long-standing hemodynamic stress might contribute to the formation of an aneurysm.Disclosures S. Ahmad: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Ahmad, S. Tags: Electronic poster abstracts Source Type: research

Monogenic Stroke —Can We Overcome Nature With Nurture?
Although genetic underpinnings of several neurological disorders like epilepsy have been described as early as fourth century bce in the Corpus Hippocraticum, discoveries in stroke have been more recent. One of the first reports demonstrating the importance of heredity in stroke pathogenesis occurred in 1974 with the generation of the stroke-prone spontaneously hypertensive rat. This strain was created using selective breeding and has endured as a valuable asset in contemporary stroke research. Nonetheless, half a century later, the precise genetic determinants even in this single, highly specific rodent stroke phenotype h...
Source: JAMA Neurology - October 27, 2022 Category: Neurology Source Type: research

Etiology and Treatment of Arterial Ischemic Stroke in Children and Young Adults
Opinion statement Stroke is the second leading cause of death worldwide (Go et al. Circulation 129:e28–292, 2014) and is a major cause of morbidity and mortality. Compared with older adults, arterial ischemic stroke (AIS) is relatively uncommon in children and young adults, comprising 5-10 % of all stroke (Biller Nat Rev Cardiol 6:395–97, 2009), but is associated with significant cost. In contrast to the declining overall incidence of stroke, some early studies suggest that the rate of stroke hospitalizations in children and young adults is rising (George et al. Ann Neurol 70:713–21, 2011; Kissela et al. S...
Source: Current Treatment Options in Neurology - September 18, 2014 Category: Neurology Source Type: research

Blood transfusion for preventing primary and secondary stroke in people with sickle cell disease.
CONCLUSIONS: There is no evidence for managing adults, or children who do not have HbSS sickle cell disease.In children who are at higher risk of stroke and have not had previous long-term transfusions, there is moderate quality evidence that long-term red cell transfusions reduce the risk of stroke, and low quality evidence they also reduce the risk of other sickle cell disease-related complications.In primary and secondary prevention of stroke there is low quality evidence that switching to hydroxyurea with phlebotomy has little or no effect on the liver iron concentration.In secondary prevention of stroke there is low-q...
Source: Cochrane Database of Systematic Reviews - January 16, 2017 Category: Journals (General) Authors: Estcourt LJ, Fortin PM, Hopewell S, Trivella M, Wang WC Tags: Cochrane Database Syst Rev Source Type: research

Stroke Awareness among Adults in South-South, Nigeria. Delta State (P03.166)
CONCLUSIONS: Adults in the Delta region of African Nigerians have low awareness of stroke warning signs and risk factors for stroke.The findings underscore the importance of conducting an effective educational campaign.Disclosure: Dr. Obiabo has received personal compensation for activities with Novartis and for delivering CME lectures to Nigeria Medical Association.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Obiabo, Y. Tags: P03 Cerebrovascular Disease III Source Type: research

Contribution of sickle cell disease to the pediatric stroke burden among hospital discharges of African‐Americans—United States, 1997–2012
ConclusionsSCD is a leading risk factor to pediatric stroke in African‐American children. Reducing the number of strokes among children with SCD would have a significant impact on the rate of strokes among African‐American children. Preventative intervention may be modifying initial age of presentation of stroke in children with SCD. Pediatr Blood Cancer © 2015 Wiley Periodicals, Inc.
Source: Pediatric Blood and Cancer - July 14, 2015 Category: Cancer & Oncology Authors: Charlotte Baker, Althea M. Grant, Mary G. George, Scott D. Grosse, Thomas V. Adamkiewicz Tags: Research Article Source Type: research

Outcome of overt stroke in sickle cell anaemia, a single institution's experience
Summary Stroke is a traumatic complication in sickle cell anaemia (SCA) that is associated with significant morbidity and a risk of recurrent overt stroke of 2·2–6·4 events per 100 patient‐years. A retrospective study was performed on all paediatric SCA patients diagnosed with a history of overt stroke between 1997 and 2010. A total of 31 children with SCA had new onset overt stroke. The mean age of the active patients (n = 27) was 17·9 years (range 6·8–27·6 years) with a total period of observation of 305 patient‐years. Twenty‐two of 27 (81%) were receiving long term red blood cell transfusions and 16 (...
Source: British Journal of Haematology - February 27, 2014 Category: Hematology Authors: Suvankar Majumdar, Morgan Miller, Majid Khan, Catherine Gordon, Amy Forsythe, Mary G. Smith, Gail Megason, Rathi Iyer Tags: Research Paper Source Type: research

Practice Patterns in the Use of MRI/MRA and Chronic Transfusion Therapy for Monitoring and Treatment of Stroke in Pediatric Patients with Sickle Cell Anemia
Conclusions: The results of the DISPLACE practice patterns survey suggested nearly universal adoption of CRCT for children with abnormal TCD and prior overt stroke across sites. The use of MRI/MRA in detecting potential cerebrovascular abnormalities in the absence of clinical neurologic symptoms and for monitoring patients on CRCT was much more variable, which likely reflects the minimal amount of guidance for the use of MRI/MRA in SCA. Notably, a number of sites were using MRI/MRA to screen pediatric patients for cerebrovascular abnormalities and to monitor patients on CRCT. The variability in responses for MRI/MRA highli...
Source: Blood - November 21, 2018 Category: Hematology Authors: Schlenz, A. M., Mueller, M., Phillips, S., Melvin, C., Adams, R. J., Kanter, J. Tags: 901. Health Services Research-Non-Malignant Conditions: Poster III Source Type: research

Unusually High Prevalence of Stroke and Cerebral Vasculopathy in Hemoglobin SC Disease: A Retrospective Single Institution Study
Conclusion: There is a distinct subset of individuals with HbSC who developed overt, silent stroke, and cerebral vasculopathy. A female predominance and association with Rec VOCs were identified in our cohort; however, larger clinical trials are needed to identify and confirm specific clinical and laboratory markers associated with stroke and vasculopathy in HbSC disease.Acta Haematol
Source: Acta Haematologica - November 8, 2021 Category: Hematology Source Type: research