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Qu H, He C, Xu H, Sun X. Investigating the association of breast cancer and stroke: A two-sample Mendelian randomization study. Medicine (Baltimore) 2023; 102:e35037. [PMID: 37747009 PMCID: PMC10519452 DOI: 10.1097/md.0000000000035037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 09/26/2023] Open
Abstract
We conducted a two-sample Mendelian randomization (MR) design to evaluate the causal relation between breast cancer and stroke. Genetic variants associated with breast cancer and stroke were both obtained from genome-wide association study summary data. The single nucleotide polymorphisms were selected as instrumental variables. Effect estimates were primarily evaluated using standard inverse variance weighted. Finally, sensitivity analyses were performed for the detection of potential pleiotropy and heterogeneity in the cause-effect evaluation. There was a causal association of ER-positive breast cancer (odds ratio = 0.11, 95% confidence interval: 0.08-0.16, P < .001), and ER-negative breast cancer (odds ratio = 1.04, 95% confidence interval: 1.00-1.07, P = .045) with stroke. MR-egger regression revealed that the cause-effect of ER-positive breast cancer (P < .001) is drove by the directional horizontal pleiotropy, while there was no directional pleiotropy in the cause-effect of ER-negative breast cancer (P = .82). Cochran Q-derived P-value from inverse variance weighted (P = .27) shown that the cause-effect of ER-negative breast cancer on stroke do not need to consider the effect of heterogeneity. In addition, the leave-one-out analysis showed no influential instruments driving the associations, suggesting robust results for all outcomes. The present MR study reveals that ER negative breast cancer increase the risk of stroke.
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Affiliation(s)
- Huiling Qu
- Department of Neurology, The General Hospital of Northern Theater Command, Shenyang, China
| | - Chao He
- Department of Neurology, The General Hospital of Northern Theater Command, Shenyang, China
| | - Haichun Xu
- Department of Psychiatry, Shenyang Jing'an Mental Health Hospital, Shenyang, Liaoning, P.R. China
| | - Xiaoyu Sun
- Department of Neurology, The General Hospital of Northern Theater Command, Shenyang, China
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Pregnancy-Related Stroke: A Review. Obstet Gynecol Surv 2022; 77:367-378. [PMID: 35672877 DOI: 10.1097/ogx.0000000000001039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Importance The maternal risk of strokes in the United States is approximately 30/100,000 pregnancies, and strokes are the eighth leading cause of maternal death. Because of the relationship between stroke and significant neurological disability/maternal death, obstetrical health care providers must be able to identify, evaluate, diagnosis, and treat these women. Evidence Acquisition PubMed was searched using the search terms "stroke" OR "cerebrovascular accident" OR "intracranial hemorrhage" AND "pregnancy complications" OR "risk factors" OR "management" OR "outcome." The search was limited to the English language and was restricted to articles from 2000 to 2020. Results There were 319 abstracts identified, and 90 of the articles were ultimately used as the basis of this review. Presenting stroke signs and symptoms include headache, composite neurologic defects, seizures, and/or visual changes. Diagnosis is typically made with computed tomography scan using abdominal shielding or magnetic resonance imaging without contrast. Management options for an ischemic stroke include reperfusion therapy with intravenous recombinant tissue plasminogen activator catheter-based thrombolysis and/or mechanical thrombectomy. Hemorrhagic strokes are treated similarly to strokes outside of pregnancy, and that treatment is based on the severity and location of the hemorrhage. Conclusions and Relevance Early recognition and management are integral in decreasing the morbidity and mortality associated with a stroke in pregnancy. Relevance Statement This study was an evidence-based review of stroke in pregnancy and how to diagnose and mange a pregnancy complicated by a stroke.
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Young YH. Contemporary review of the causes and differential diagnosis of sudden sensorineural hearing loss. Int J Audiol 2019; 59:243-253. [DOI: 10.1080/14992027.2019.1689432] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yi-Ho Young
- Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
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Abstract
Pregnancy can be seen as a positive time for women migraineurs because the elevated estrogen and endogenous opioid levels raise the pain threshold and the stable hormone levels, which no longer fluctuate, eliminate a major trigger factor for the attacks. In a great majority of cases, indeed, migraine symptoms spontaneously improve throughout pregnancy. Generally, migraine without aura (MO) improves better than migraine with aura (MA), which can occur ex novo in pregnancy more frequently than MO. After childbirth, the recurrence rate of migraine attacks increases, especially during the first month; breastfeeding exerts a protective effect against the reappearance of attacks. Migraine and pregnancy share a condition of hypercoagulability; therefore, attention must be paid to the risk of cardiovascular disorders, like venous thromboembolism and ischemic or hemorrhagic strokes. Some of these diseases can be linked to preeclampsia (PE), a serious complication of pregnancy, characterized by hypertension, proteinuria, or other findings of organ failure. This condition is more common in migraineurs compared with non-migraineurs; furthermore, women whose migraines worsen during pregnancy had a 13-fold higher risk of hypertensive disorders than those in which migraine remitted or improved. Pregnancy is generally recognized to exert a beneficial effect on migraine; nonetheless, clinicians should be on the alert for possible cardiovascular complications that appear to be more frequent in this patient population.
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Rodrigues R, Silva R, Fontão L, Ruano L, Roriz JM. Acute Ischemic Stroke in Pregnancy. Case Rep Neurol 2019; 11:37-40. [PMID: 31543784 PMCID: PMC6739700 DOI: 10.1159/000496386] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/17/2018] [Indexed: 12/26/2022] Open
Abstract
Stroke is an uncommon but serious potential complication of pregnancy. The management of acute ischemic stroke in pregnant women remains a complex challenge that extends beyond the limits of clinical trial evidence. Patient 1 was a 29-year-old woman 27 weeks into her first pregnancy, without remarkable past medical history or vascular risk factors. She was admitted 1 h after sudden onset of a left total anterior circulation syndrome (National Institute of Health Stroke Scale [NIHSS] score of 23). CT and angio-CT scans were normal. Thrombolysis was performed, with mild clinical improvement. Brain MRI showed multi-territorial embolic events. Extended blood panel, cervical-transcranial ultrasound, 48-h ECG monitoring, and transthoracic echocardiogram were unremarkable. She was started on aspirin and low-molecular-weight heparin (LMWH), giving birth to a healthy child 10 weeks later. Patient 2 was a 45-year-old woman 34 weeks into her pregnancy, without remarkable past medical history or vascular risk factors. She was admitted 30 min after sudden onset of a left partial anterior circulation syndrome, already partially recovered (NIHSS score of 4). The CT scan showed only a subacute right incidental middle cerebral artery infarct, while the angio-CT confirmed a left M3 branch occlusion. Thrombolysis and thrombectomy were contraindicated by the recent contralateral infarct, mild deficits, and distal occlusion site. Brain MRI also suggested an embolic etiology and LMWH was started. Extended blood panel, 48-h ECG monitoring, and transthoracic echocardiogram were normal. She gave birth to a healthy baby 4 weeks later. These cases emphasize the growing real-world evidence of the emergent use of CT, IV contrast, and recombinant tissue plasminogen activator in pregnant women with acute stroke, while also illustrating the importance of an individualized management, accounting for the safety of both mother and child.
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Affiliation(s)
- Rita Rodrigues
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal
| | - Renata Silva
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal
| | - Luís Fontão
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal
| | - Luís Ruano
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal.,Departamento de Ciências da Saúde Pública e Forenses e Educação Médica, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - José Mário Roriz
- Neurology Department, Centro Hospitalar de Entre Douro e Vouga, Santa Maria da Feira, Portugal
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Maksimova MY, Airapetova AS. [Gender differences in stroke risk factors]. Zh Nevrol Psikhiatr Im S S Korsakova 2019; 119:58-64. [PMID: 32207719 DOI: 10.17116/jnevro201911912258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Currently, there are a lot of studies on gender-related risk factors for stroke. However, contradictory data and the lack of a common view on the problem of gender-based approach to stroke prevention determine the importance of this problem. The most significant sex-non-specific stroke risk factors are hypertension, cardiac conditions, including atrial fibrillation, smoking, glucose and lipid metabolism disorders, excessive alcohol consumption, overweight, low physical activity and sedentary lifestyle, emotional stress. However, the incidence and significance of each stroke risk factor in women are different compared with men, due to women's reproductive status. Hypertension, atrial fibrillation, diabetes mellitus, abdominal obesity, migraine with aura, emotional stress and depression are more common risk factors in women compared to men. The stroke risk factors unique to women are the timing of age at menarche, pregnancy, gestational diabetes mellitus, preeclampsia, hormonal status disturbances, the use of combined oral contraceptives and hormone replacement therapy.
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Gao G, Zucconi RL, Zucconi WB. Emergent Neuroimaging During Pregnancy and the Postpartum Period. Neuroimaging Clin N Am 2018; 28:419-433. [DOI: 10.1016/j.nic.2018.03.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
Sex and gender, as biological and social factors, significantly influence health outcomes. Among the biological factors, sex differences in vascular physiology may be one specific mechanism contributing to the observed differences in clinical presentation, response to treatment, and clinical outcomes in several vascular disorders. This review focuses on the cerebrovascular bed and summarizes the existing literature on sex differences in cerebrovascular hemodynamics to highlight the knowledge deficit that exists in this domain. The available evidence is used to generate mechanistically plausible and testable hypotheses to underscore the unmet need in understanding sex-specific mechanisms as targets for more effective therapeutic and preventive strategies.
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Affiliation(s)
- Cristina Duque
- Division of Stroke and Neurocritical Care, Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Neurology, Coimbra University Hospital Center, Coimbra, Portugal
| | - Steven K Feske
- Division of Stroke, Department of Neurology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Farzaneh A Sorond
- Division of Stroke and Neurocritical Care, Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Touzani S, Berdai MA, Labib S, Harandou M. Rare but critical: Postpartum eclampsia presenting as hemorrhagic stroke. Presse Med 2017; 46:628-630. [PMID: 28549627 DOI: 10.1016/j.lpm.2017.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 04/07/2017] [Accepted: 05/03/2017] [Indexed: 11/18/2022] Open
Affiliation(s)
- Soumaya Touzani
- University Hospital Hassan II, Department of Obstetric and Pediatric Anesthesiology and Intensive Care, Sidi Hrazem Road, 1835 Fez, Morocco.
| | - Mohamed Adnane Berdai
- University Hospital Hassan II, Department of Obstetric and Pediatric Anesthesiology and Intensive Care, Sidi Hrazem Road, 1835 Fez, Morocco
| | - Smael Labib
- University Hospital Hassan II, Department of Obstetric and Pediatric Anesthesiology and Intensive Care, Sidi Hrazem Road, 1835 Fez, Morocco
| | - Mustapha Harandou
- University Hospital Hassan II, Department of Obstetric and Pediatric Anesthesiology and Intensive Care, Sidi Hrazem Road, 1835 Fez, Morocco
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Neurologic complications in critically ill pregnant patients. HANDBOOK OF CLINICAL NEUROLOGY 2017. [PMID: 28190440 DOI: 10.1016/b978-0-444-63599-0.00035-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Neurologic complications in a critically ill pregnant woman are uncommon but some of the complications (such as eclampsia) are unique to pregnancy and the puerperal period. Other neurologic complications (such as seizures in the setting of epilepsy) may worsen during pregnancy. Clinical signs and symptoms such as seizure, headache, weakness, focal neurologic deficits, and decreased level of consciousness require careful consideration of potential causes to ensure prompt treatment measures are instituted to prevent ongoing neurologic injury. Clinicians should be familiar with syndromes such as pre-eclampsia, eclampsia, stroke, posterior reversible encephalopathy syndrome, and reversible cerebral vasoconstriction syndrome. Necessary imaging studies can usually be performed safely in pregnancy. Scoring systems for predicting maternal mortality are inadequate, as are recommendations for neurorehabilitation. Tensions can arise when there is conflict between the interests of the mother and the interests of the fetus, but in general maternal health is prioritized. The complexity of care requires a multidisciplinary and multiprofessional approach to achieve best outcome in an often unexpected situation.
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Edlow AG, Edlow BL, Edlow JA. Diagnosis of Acute Neurologic Emergencies in Pregnant and Postpartum Women. Emerg Med Clin North Am 2016; 34:943-965. [PMID: 27741996 DOI: 10.1016/j.emc.2016.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Acute neurologic symptoms in pregnant and postpartum women may be caused by exacerbation of a preexisting neurologic condition, the initial presentation of a non-pregnancy-related problem, or a new neurologic problem. Pregnant and postpartum patients with headache and neurologic symptoms are often diagnosed with preeclampsia or eclampsia; however, other etiologies must also be considered. A team approach with close communication between emergency physicians, neurologists, maternal-fetal medicine specialists, and radiologists is the key to obtaining best outcomes. This article reviews the clinical features and differential diagnosis of acute serious neurologic conditions in pregnancy and the puerperium, focusing on diagnosis.
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Affiliation(s)
- Andrea G Edlow
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Mother Infant Research Institute, Tufts Medical Center, 800 Washington Street, Box 394, Boston, MA 02111, USA
| | - Brian L Edlow
- Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Massachusetts General Hospital, 175 Cambridge Street, Suite 300, Boston, MA 02114, USA
| | - Jonathan A Edlow
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, One Deaconess Place, West Clinical Center, 2nd Floor, Boston, MA 02215, USA.
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Wabnitz A, Bushnell C. Migraine, cardiovascular disease, and stroke during pregnancy: Systematic review of the literature. Cephalalgia 2014; 35:132-9. [DOI: 10.1177/0333102414554113] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objective The objective of this article is to review the literature relating migraine, cardiovascular disease, and stroke during pregnancy in order to better define the relationship between migraines and vascular disease. Methods We conducted a systematic review of the literature using Medline and Cochrane Review with the following search terms: migraine AND pregnancy and vascular disease OR myocardial infarction OR heart disease OR stroke OR cerebrovascular disease OR hypertension in pregnancy. We also reviewed the bibliographies of papers identified in this search to obtain additional relevant studies. Results Of the 219 papers obtained with the primary search, we found 17 that were topically relevant. Altogether, there is an increased risk both of gestational hypertension (OR range from 1.23 to 1.68) and preeclampsia (OR range 1.08 to 3.5) in migraineurs compared to nonmigraineurs. In addition, there is an association between an increased risk of ischemic stroke in pregnancy (OR range 7.9 to 30.7), particularly with active migraine. There is also an association between migraine and increased risk of acute myocardial infarction and heart disease (OR 4.9; 95% CI 1.7, 14.2), and thromboembolic events during pregnancy (deep venous thrombosis OR 2.4; 95% CI 1.3, 4.2 and pulmonary embolus OR 3.1; 95% CI 1.7, 5.6). Conclusion In this review, we summarized the association between migraine and risk of vascular disease during pregnancy, based on the available literature. Given the limited amount of data, more research on these associations is needed to determine which women with migraine may be at risk while pregnant.
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Affiliation(s)
- Ashley Wabnitz
- Wake Forest School of Medicine, Department of Neurology, NC, USA
| | - Cheryl Bushnell
- Wake Forest School of Medicine, Department of Neurology, NC, USA
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Frontera JA, Ahmed W. Neurocritical care complications of pregnancy and puerperum. J Crit Care 2014; 29:1069-81. [PMID: 25123793 DOI: 10.1016/j.jcrc.2014.07.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 06/02/2014] [Accepted: 07/08/2014] [Indexed: 12/27/2022]
Abstract
Neurocritical care complications of pregnancy and puerperum such as preeclampsia/eclampsia, hemolysis, elevated liver enzymes, low platelets syndrome, thrombotic thrombocytopenic purpura, seizures, ischemic and hemorrhagic stroke, postpartum angiopathy, cerebral sinus thrombosis, amniotic fluid emboli, choriocarcinoma, and acute fatty liver of pregnancy are rare but can be devastating. These conditions can present a challenge to physicians because pregnancy is a unique physiologic state, most therapeutic options available in the intensive care unit were not studied in pregnant patients, and in many situations, physicians need to deliver care to both the mother and the fetus, simultaneously. Timely recognition and management of critical neurologic complications of pregnancy/puerperum can be life saving for both the mother and fetus.
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Affiliation(s)
- Jennifer A Frontera
- Cerebrovascular Center of the Neurological Institute, Cleveland Clinic, Cleveland, Ohio.
| | - Wamda Ahmed
- Neuroscience Intensive Care Unit, Departments of Neurology, Emory, Atlanta, Georgia
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Abstract
Seizures during pregnancy complicate <1% of all gestations; however, they are associated with increased adverse maternal and perinatal outcomes (acute and long term). The differential diagnosis of seizures in pregnancy is extensive. Determining the underlying etiology is crucial in the management of these patients. Medical providers caring for pregnant women should be educated about possible etiologies of seizures during pregnancy and the importance of prompt management of these women in a timely fashion. Evaluation and management should be performed in a stepwise fashion and may require a multidisciplinary approach with other specialties such as neurology. The objective of this review is to increase awareness and to provide a stepwise approach toward the diagnosis and management of pregnancies complicated by seizures.
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Affiliation(s)
- Laura A Hart
- Division of Maternal Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
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Grear KE, Bushnell CD. Stroke and pregnancy: clinical presentation, evaluation, treatment, and epidemiology. Clin Obstet Gynecol 2013; 56:350-9. [PMID: 23632643 PMCID: PMC3671374 DOI: 10.1097/grf.0b013e31828f25fa] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Stroke is a neurological emergency that carries a risk of morbidity and mortality. Recent studies have shown that the incidence of stroke, although rare, is increasing in pregnant females. In this review, stroke and other vasculopathies in the pregnant and postpartum female are examined. A discussion of the symptoms and clinical presentation of stroke is provided and the current guideline for treatment of stroke in pregnancy. Finally, the data illustrating the recent increases in stroke incidence are outlined.
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Affiliation(s)
- Karrie E Grear
- Department of Neurology, Wake Forest School of Medicine, Winston Salem, North Carolina, USA
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Koellhoffer EC, McCullough LD. The effects of estrogen in ischemic stroke. Transl Stroke Res 2012; 4:390-401. [PMID: 24323337 DOI: 10.1007/s12975-012-0230-5] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Accepted: 11/12/2012] [Indexed: 12/12/2022]
Abstract
Stroke is a leading cause of death and the most common cause of long-term disability in the USA. Women have a lower incidence of stroke compared with men throughout most of the lifespan which has been ascribed to protective effects of gonadal steroids, most notably estrogen. Due to the lower stroke incidence observed in pre-menopausal women and robust preclinical evidence of neuroprotective and anti-inflammatory properties of estrogen, researchers have focused on the potential benefits of hormones to reduce ischemic brain injury. However, as women age, they are disproportionately affected by stroke, coincident with the loss of estrogen with menopause. The risk of stroke in elderly women exceeds that of men and it is clear that in some settings estrogen can have pro-inflammatory effects. This review will focus on estrogen and inflammation and its interaction with aging.
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Affiliation(s)
- Edward C Koellhoffer
- Department of Neuroscience, University of Connecticut Health Center, Farmington, CT, 06030, USA
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