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Association of Intensive Morphine Treatment and Increased Stroke Incidence in Prostate Cancer Patients: A Population-based Nested Case-Control Study
Conclusions Intense morphine treatment may be associated with an increased stroke incidence in patients with malignancy, and the association is particularly significant for prostate cancer patients.
Source: Japanese Journal of Clinical Oncology - July 26, 2013 Category: Cancer & Oncology Authors: Lee, C. W.-S., Muo, C.-H., Liang, J.-A., Sung, F.-C., Kao, C.-H. Tags: Epidemiology/Public Health, Original Articles Source Type: research

Opioid antagonists as potential therapeutics for ischemic stroke
Publication date: Available online 6 August 2019Source: Progress in NeurobiologyAuthor(s): Nadia Peyravian, Emre Dikici, Sapna Deo, Michal Toborek, Sylvia DaunertAbstractChronic use of prescription opioids can exacerbate risk and severity of ischemic stroke. Annually, 6 million people die from stroke worldwide and there are no neuroprotective or neurorestorative agents to improve stroke outcomes and promote recovery. Prescribed opioids such as morphine have been shown to alter tight junction protein expression, resulting in the disruption of the blood brain barrier (BBB), ultimately leading to stroke pathogenesis. Conseque...
Source: Progress in Neurobiology - August 7, 2019 Category: Neuroscience Source Type: research

Increase of Cry 1 expression is a common phenomenon of the disturbed circadian clock in ischemic stroke and opioid addiction
Biochem Biophys Res Commun. 2021 Apr 21;558:8-13. doi: 10.1016/j.bbrc.2021.04.053. Online ahead of print.ABSTRACTIncreasing evidences suggest the involvement of disrupted circadian clock in various pathologies including stroke and substance abuse. Here we took an attempt to do a comparative study on the regulation of circadian clock gene expression under two pathological circumstances - Opioid addiction and Ischemic stroke in the same cell line model (human neuroblastoma SH-SY5Y cells). To mimic in vivo ischemic stroke condition cells were placed in a hypoxia chamber and incubated for 10 h in balanced salt solution lacking...
Source: Biochemical and Biophysical Research communications - April 24, 2021 Category: Biochemistry Authors: Kaninika Roy Daytee Maji Ishani Deb Source Type: research

Focal Anticoagulation by Somatic Gene Transfer: Towards Preventing Cardioembolic Stroke
Cardioembolic stroke (CS) has emerged as a leading cause of ischaemic stroke (IS); distinguished by thrombi embolising to the brain from cardiac origins; most often from the left atrial appendage (LAA). Contemporary therapeutic options are largely dependent on systemic anticoagulation as a blanket preventative strategy, yet this does not represent a nuanced or personalised solution. Contraindications to systemic anticoagulation create significant unmedicated and high-risk cohorts, leaving these patients at risk of significant morbidity and mortality.
Source: Heart, Lung and Circulation - June 12, 2023 Category: Cardiology Authors: Megha Kadian, Cindy Y. Kok, Dhanya Ravindran, Freda Passam, Leonardo Pasalic, Eddy Kizana Tags: Original Article Source Type: research

A lot of drugs and not much oxygen: Is the cocktail responsible for delirium?
We read with great interest the article by Arenson and colleagues that analyzed the risk factors for postoperative delirium, with particular reference to the influence of intensive care unit environment, in a large study population undergoing cardiac surgery. In their multivariate analysis, postoperative delirium was significantly associated with preoperative (eg, age, preadmission use of benzodiazepine), intraoperative (eg, combined coronary artery bypass grafting and valve surgery), and postoperative (eg, stroke or transient ischemic attack, mechanical ventilation>24 hours, blood transfusion, postoperative renal insuffic...
Source: The Journal of Thoracic and Cardiovascular Surgery - January 6, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Francesco Pollari, Giuseppe Santarpino, Theodor Fischlein Tags: Letters to the Editor Source Type: research

266 A drowsy patient: beyond the familiar territory
A 72-year-old man was brought to the hospital after he was found unresponsive at home by his wife who reported that he has been sleepy in the last few days. He has a background of hypertension, myocardial infarct, and osteoarthritis. His medications include anti-hypertensive and morphine sulphate. On examination, he was drowsy with GCS fluctuating between 9–11 but maintaining his airways. He was moving all four limbs; pupils were small and unequal but reactive to light. Planter reflexes were downgoing. Opioid toxicity was suspected and treated with naloxone without any response. The CT head scan showed no acute patho...
Source: Journal of Neurology, Neurosurgery and Psychiatry - May 27, 2022 Category: Neurosurgery Authors: Oo, A., Khine, N. Tags: Poster Presentations Source Type: research

The Risk of Ischemic Cardio- and Cerebrovascular Events Associated with Oxycodone –Naloxone and Other Extended-Release High-Potency Opioids: A Nested Case–Control Study
ConclusionsOur study does not indicate an association between oxycodone –naloxone and ischemic cardio- or cerebrovascular events. However, our findings do suggest that every change in ER HPO therapy should be conducted with caution.
Source: Drug Safety - February 12, 2017 Category: Drugs & Pharmacology Source Type: research

Morphine and Ticagrelor Interaction in Primary Percutaneous Coronary Intervention in ST-Segment Elevation Myocardial Infarction: ATLANTIC-Morphine
ConclusionsMorphine-treatment was associated with increased GP IIb/IIIa inhibitor use, less pre-PCI TIMI 3 flow, and more bleeding. Judicious morphine use is advised with non-opioid analgesics preferred for non-severe acute pain.Trial Registrationclinicaltrials.gov identifier: NCT01347580.
Source: American Journal of Cardiovascular Drugs - October 23, 2018 Category: Cardiology Source Type: research

Connecting Metainflammation and Neuroinflammation Through the PTN-MK-RPTP β/ζ Axis: Relevance in Therapeutic Development
Conclusion The expression of the components of the PTN-MK-RPTPβ/ζ axis in immune cells and in inflammatory diseases suggests important roles for this axis in inflammation. Pleiotrophin has been recently identified as a limiting factor of metainflammation, a chronic pathological state that contributes to neuroinflammation and neurodegeneration. Pleiotrophin also seems to potentiate acute neuroinflammation independently of the inflammatory stimulus while MK seems to play different -even opposite- roles in acute neuroinflammation depending on the stimulus. Which are the functions of MK and PTN in chronic neuroi...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

Challenge to the Intestinal Mucosa During Sepsis
Conclusion The impact of sepsis on the gut is manifold, e.g., sepsis mediated alteration of the gut-blood barrier and increase in the intestinal permeability, which may correlate with the phenomena of bacterial translocation and lymphatic activation (“toxic-lymph”). Systemic consequences of sepsis are widespread and concern to the coagulative system, the microbiome as well as enzymes, such as pancreatic proteases, MMPs and IAPs. Nevertheless, the therapeutic approaches for modulating the mucosal immune system are still rarely effective in daily routine. Recent published studies showing that treatment with ...
Source: Frontiers in Immunology - April 29, 2019 Category: Allergy & Immunology Source Type: research

Transcatheter aortic valve replacement with or without anesthesiologist: results from a high-volume single center
Conclusion In patients at low or intermediate risk undergoing transfemoral TAVR, a safe procedure can be performed under local anesthesia without the presence of an anesthesiologist in the catheterization laboratory.
Source: Journal of Cardiovascular Medicine - November 12, 2022 Category: Cardiology Tags: Research articles: Valvular heart disease Source Type: research