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Total 1850 results found since Jan 2013.

Changes in Stroke Volume Induced by Lung Recruitment Maneuver Predict Fluid Responsiveness in Mechanically Ventilated Patients in the Operating Room
Background Lung recruitment maneuver induces a decrease in stroke volume, which is more pronounced in hypovolemic patients. The authors hypothesized that the magnitude of stroke volume reduction through lung recruitment maneuver could predict preload responsiveness.Methods Twenty-eight mechanically ventilated patients with low tidal volume during general anesthesia were included. Heart rate, mean arterial pressure, stroke volume, and pulse pressure variations were recorded before lung recruitment maneuver (application of continuous positive airway pressure of 30  cm H2O for 30  s), during lung recruitment maneuver when...
Source: Anesthesiology - January 17, 2017 Category: Anesthesiology Source Type: research

Role of anesthesia in endovascular stroke therapy
Purpose of review: Recent randomized clinical trials have demonstrated strong efficacy of endovascular therapy (EVT) for acute ischemic stroke (AIS) from large vessel occlusions; in the USA alone, tens of thousands of patients annually may benefit. The impact of the type of anesthesia used during mechanical thrombectomy on patient outcomes remains controversial. This review discusses the current literature on the effects of anesthesia type on patient outcome following endovascular stroke therapy. Recent findings: EVT is the standard of treatment for intracranial large vessel occlusions. Recent studies show that general an...
Source: Current Opinion in Anaesthesiology - September 7, 2017 Category: Anesthesiology Tags: NEUROANESTHESIA: Edited by Federico Bilotta Source Type: research

Behaviour of stroke volume variation in hemodynamic stable patients during thoracic surgery with one-lung ventilation periods.
CONCLUSION: The decrease of stroke volume variation values during one-lung ventilation with protective ventilatory strategies advices not to use the same threshold values to determine fluid responsiveness. PMID: 29477233 [PubMed - as supplied by publisher]
Source: Revista Brasileira de Anestesiologia - February 27, 2018 Category: Anesthesiology Tags: Rev Bras Anestesiol Source Type: research

Perioperative stroke.
This article provides a summary of the epidemiology, risk factors, and etiology of perioperative stroke. Moreover, possible preventive strategies relevant for the anesthesiologist are reviewed. PMID: 32749502 [PubMed - as supplied by publisher]
Source: Der Anaesthesist - August 3, 2020 Category: Anesthesiology Authors: Fischer M, Kahl U Tags: Anaesthesist Source Type: research

Cognitive declines after perioperative covert stroke: Recent advances and perspectives
Purpose of review With the aging of the population, there are increasing number of aged patients who require surgical interventions. Perioperative covert stroke is emerging as an important health threat and social burden that could affect patients’ long-term neurological outcomes. Recent findings Recent findings of the association between perioperative covert stroke with long-term cognitive declines of surgical patients highlighted the significance of the silent cognitive function killer—perioperative covert stroke. Considering the devastating long-term consequence of the asymptomatic covert stroke, early diagnosi...
Source: Current Opinion in Anaesthesiology - August 28, 2020 Category: Anesthesiology Tags: NEUROANESTHESIA: Edited by Lingzhong Meng Source Type: research

Associations of preoperative stroke and tranexamic acid administration with convulsive seizures in valvular open-heart surgery
AbstractIn cardiac surgery, use of the antifibrinolytic agent tranexamic acid (TXA) and acute perioperative stroke are both associated with convulsive seizures. We hypothesized that an older (preoperative) stroke increases the risk of TXA-associated seizures as well. To test this hypothesis, we retrospectively analyzed data from 16,110 patients who had undergone open-heart valvular surgery at our institution between 2009 and 2020. The dosing of TXA was moderate. Use of TXA and a history of stroke were both independently associated with convulsive seizure with an adjusted odds ratio (OR) of 2.40 (95%CI: 1.71 –3.37) and 1....
Source: Journal of Anesthesia - April 6, 2021 Category: Anesthesiology Source Type: research

Microglia in the Pathophysiology of Hemorrhagic Stroke and the Relationship Between Microglia and Pain After Stroke: A Narrative Review
AbstractStroke is a leading cause of death worldwide, and about a quarter of stroke patients are dead within 1 month. The prognosis is even worse for those with hemorrhagic stroke because the 1-month mortality approaches 50%. Besides, most patients who survive experience complications such as nausea, vomiting, and chronic pain. These adverse experiences, especially the existence of chronic pain, can lead to a decline in the patient ’s quality of life. In order to improve the treatment and prognosis of hemorrhagic stroke, there is an urgent need to understand its pathophysiological mechanism as well as the chronic pain it...
Source: Pain and Therapy - July 18, 2021 Category: Anesthesiology Source Type: research

Combined Arterial Hypertension and Ischemic Stroke Exaggerate Anesthesia-Related Hypotension and Cerebral Oxygenation Deficits: A Preclinical Study
CONCLUSIONS: Our findings are the first demonstration that ischemic stroke per se increases the severity of IOH, particularly when combined with a prior history of hypertension; this combination appears to compromise penumbral perfusion.PMID:36730724 | DOI:10.1213/ANE.0000000000006263
Source: Anesthesia and Analgesia - February 2, 2023 Category: Anesthesiology Authors: Tracy Zhang Pratik Thakkar Tonja W Emans Debra Fong Suma Thampi Igor S A Felippe Carolyn J Barrett Robyn Billing Douglas Campbell Fiona D McBryde Source Type: research

Ischemic Stroke Management: Posthospitalization and Transition of Care
Am Fam Physician. 2023 Jul;108(1):70-77.ABSTRACTIschemic stroke is a major cause of morbidity and mortality worldwide. Ischemic stroke and transient ischemic attack exist on a continuum of the same disease process. Ischemic stroke is common, and more than 85% of stroke risk is attributed to modifiable risk factors. The initial management of acute stroke is usually performed in the emergency department and hospital settings. Family physicians have a key role in follow-up, ensuring that a complete diagnostic evaluation has been performed, addressing modifiable risk factors, facilitating rehabilitation, and managing chronic s...
Source: Pain Physician - July 13, 2023 Category: Anesthesiology Authors: Scott T Larson Brigit E Ray Jason Wilbur Source Type: research

Severe stroke: Which medicine for which results?
Abstract In face of any severe stroke, the questions for health professionals in charge of the patient are: will the handicap be acceptable for the patient? But can we predict an acceptable handicap for the patient? For his family? When we know that the cognitive disorders, consequences of severe stroke often modify, in a major way, the behaviour of these patients? Given these difficulties for estimate vital and functional prognosis and even more the quality of life of patients with severe stroke, collective reflexions between physicians and nurses are essential, reflexions taking into account preferences and valu...
Source: Annales Francaises d'Anesthesie et de Reanimation - January 2, 2014 Category: Anesthesiology Authors: Woimant F, Biteye Y, Chaine P, Crozier S Tags: Ann Fr Anesth Reanim Source Type: research

Assessment of acute stroke cerebral CT examinations by anaesthesiologists
ConclusionsThis study suggests that anaesthesiologists who are experienced in pre‐hospital care may be quickly trained to assess cerebral CT examinations in acute stroke patients with regard to radiological contraindications for thrombolytic therapy.
Source: Acta Anaesthesiologica Scandinavica - May 1, 2015 Category: Anesthesiology Authors: M. R. Hov, T. Nome, E. Zakariassen, D. Russell, J. Røislien, H. M. Lossius, C. G. Lund Tags: Original Article Source Type: research

Risks of Cardiovascular Adverse Events and Death in Patients with Previous Stroke Undergoing Emergency Noncardiac, Nonintracranial Surgery The Importance of Operative Timing
Background The outcomes of emergent noncardiac, nonintracranial surgery in patients with previous stroke remain unknown.Methods All emergency surgeries performed in Denmark (2005 to 2011) were analyzed according to time elapsed between previous ischemic stroke and surgery. The risks of 30-day mortality and major adverse cardiovascular events were estimated as odds ratios (ORs) and 95% CIs using adjusted logistic regression models ina priori defined groups (reference was no previous stroke). In patients undergoing surgery immediately (within 1 to 3 days) or early after stroke (within 4 to 14 days), propensity-score matching...
Source: Anesthesiology - June 20, 2017 Category: Anesthesiology Source Type: research

Behavior of stroke volume variation in hemodynamic stable patients during thoracic surgery with one-lung ventilation periods
Conclusion The decrease of stroke volume variation values during one-lung ventilation with protective ventilatory strategies advices not to use the same threshold values to determine fluid responsiveness.
Source: Brazilian Journal of Anesthesiology - January 9, 2018 Category: Anesthesiology Source Type: research