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Serum magnesium but not calcium was associated with hemorrhagic transformation in stroke overall and stroke subtypes: a case-control study in China
AbstractAssociation between serum calcium and magnesium versus hemorrhagic transformation (HT) remains to be identified. A total of 1212 non-thrombolysis patients with serum calcium and magnesium collected within 24  h from stroke onset were enrolled. Backward stepwise multivariate logistic regression analysis was conducted to investigate association between calcium and magnesium versus HT. Calcium and magnesium were entered into logistic regression analysis in two models, separately: model 1, as continuous va riable (per 1-mmol/L increase), and model 2, as four-categorized variable (being collapsed into quartiles). HT oc...
Source: Neurological Sciences - July 19, 2018 Category: Neurology Source Type: research

The Role of Serum Calcium Level in Intracerebral Hemorrhage Hematoma Expansion: Is There Any?
AbstractSpontaneous intracerebral hemorrhage (ICH) is a devastating form of stroke, with a high rate of mortality and morbidity. Even with the best current medical or surgical interventions, outcomes remain poor. The location and initial hematoma volume are strong predictors of mortality. Hematoma expansion (HE) is a further marker of poor prognosis that may be at least partly preventable. Several risk factors for HE have been identified, including baseline ICH volume, anticoagulation, and computed tomography angiography spot signs. Recent studies have shown the correlation of serum calcium (Ca++) levels on admission with ...
Source: Neurocritical Care - June 27, 2018 Category: Neurology Source Type: research

Low Serum Calcium and Magnesium Levels and Rupture of Intracranial Aneurysms Brief Report
Conclusions—In this large case–control study, hypocalcemia and hypomagnesemia at diagnosis were significantly associated with ruptured aneurysms. Impaired hemostasis caused by hypocalcemia and hypomagnesemia may explain this association.
Source: Stroke - June 25, 2018 Category: Neurology Authors: Anil Can, Robert F. Rudy, Victor M. Castro, Dmitriy Dligach, Sean Finan, Sheng Yu, Vivian Gainer, Nancy A. Shadick, Guergana Savova, Shawn Murphy, Tianxi Cai, Scott T. Weiss, Rose Du Tags: Risk Factors, Cerebral Aneurysm Brief Reports Source Type: research

Magnesium as a Neuroprotective Agent: A Review of Its Use in the Fetus, Term Infant with Neonatal Encephalopathy, and the Adult Stroke Patient
This article explores the current status of magnesium being used as an adjunct to hypothermia in term neonatal encephalopathy (NE) against a background of its use in other populations. There is some evidence for magnesium sulfate as a neuroprotective agent, however animal studies of NE at term equivalent age have been confounded by concomitant hypothermia induced by magnesium itself. Nevertheless, the combination of magnesium and cooling has been shown to be more effective than either treatment alone in adult rodents. In the preterm baby, magnesium sulfate given antenatally in threatened preterm labor has demonstrated a si...
Source: Developmental Neuroscience - February 7, 2018 Category: Neuroscience Source Type: research

Revised Framingham Stroke Risk Score, Nontraditional Risk Markers, and Incident Stroke in a Multiethnic Cohort Clinical Sciences
Conclusions—The R-FSRS downgraded stroke risk but had better calibration and discriminative ability for incident stroke compared with the original FSRS. Nontraditional risk markers modestly improved the discriminative ability of the R-FSRS, with coronary artery calcium performing the best.
Source: Stroke - January 22, 2018 Category: Neurology Authors: Peter Flueckiger, Will Longstreth, David Herrington, Joseph Yeboah Tags: Epidemiology, Primary Prevention, Race and Ethnicity, Risk Factors, Cerebrovascular Disease/Stroke Original Contributions Source Type: research

Dihydrolipoic Acid Inhibits Lysosomal Rupture and NLRP3 Through Lysosome-Associated Membrane Protein-1/Calcium/Calmodulin-Dependent Protein Kinase II/TAK1 Pathways After Subarachnoid Hemorrhage in Rat Basic Sciences
Conclusions—DHLA treatment improved neurofunction and alleviated inflammation through the lysosome-associated membrane protein-1/CaMKII/TAK1 pathway in early brain injury after SAH. DHLA may provide a promising treatment to alleviate early brain injury after SAH.
Source: Stroke - December 22, 2017 Category: Neurology Authors: Keren Zhou, Budbazar Enkhjargal, Zhiyi Xie, Chengmei Sun, Lingyun Wu, Jay Malaguit, Sheng Chen, Jiping Tang, Jianmin Zhang, John H. Zhang Tags: Animal Models of Human Disease, Basic Science Research, Inflammation, Ischemia, Mechanisms Original Contributions Source Type: research

TRPM7 (Transient Receptor Potential Melastatin-Like 7 Channel) Kinase Controls Calcium Responses in Arterial Thrombosis and Stroke in Mice.
CONCLUSIONS: Our results identify TRPM7 kinase as a key modulator of phospholipase C signaling and store-operated Ca(2+) entry in platelets. The protection of Trpm7(R/R) mice from acute ischemic disease without developing intracranial hemorrhage indicates that TRPM7 kinase might be a promising antithrombotic target. PMID: 29146750 [PubMed - as supplied by publisher]
Source: Arteriosclerosis, Thrombosis and Vascular Biology - November 16, 2017 Category: Cardiology Authors: Gotru SK, Chen W, Kraft P, Becker IC, Wolf K, Stritt S, Zierler S, Hermanns HM, Rao D, Perraud AL, Schmitz C, Zahedi RP, Noy PJ, Tomlinson MG, Dandekar T, Matsushita M, Chubanov V, Gudermann T, Stoll G, Nieswandt B, Braun A Tags: Arterioscler Thromb Vasc Biol Source Type: research

Summary: International Kidney Cancer Symposium
Conclusions:  Ideal ischemia time is 20-25 minutes or less improves short and long term renal function. >25 minutes carried 5 year risk of new onset stage 4 CKD No differences on GFR for cold vs. warm ischemia times Preoperative GFR and the percent of kidney preserved was a better predictor of post op GFR.  No ischemia preserves renal function better than warm. Longer cold ischemia times were equivalent to shorter warm ischemia times. Quality and quantity of the remaining kidney is associated with ultimate renal function. Robotics in RCC Surgery Gennady Bratslavsky, MD The opening question ...
Source: Kidney Cancer Association - December 15, 2011 Category: Urology & Nephrology Source Type: news

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