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Specialty: Anesthesiology

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Total 1850 results found since Jan 2013.

Management of Acute Ischemic Stroke-Specific Focus on Anesthetic Management for Mechanical Thrombectomy.
Abstract Acute ischemic stroke is a neurological emergency with a high likelihood of morbidity, mortality, and long-term disability. Modern stroke care involves multidisciplinary management by neurologists, radiologists, neurosurgeons, and anesthesiologists. Current American Heart Association/American Stroke Association (AHA/ASA) guidelines recommend thrombolytic therapy with intravenous (IV) alteplase within the first 3-4.5 hours of initial stroke symptoms and endovascular mechanical thrombectomy within the first 16-24 hours depending on specific inclusion criteria. The anesthesia and critical care provider may b...
Source: Anesthesia and Analgesia - September 16, 2020 Category: Anesthesiology Authors: Businger J, Fort AC, Vlisides PE, Cobas M, Akca O Tags: Anesth Analg Source Type: research

Effect of Intraoperative Arterial Hypotension on the Risk of Perioperative Stroke After Noncardiac Surgery: A Retrospective Multicenter Cohort Study
CONCLUSIONS: This study found no evidence to conclude that intraoperative hypotension within the range studied was associated with early perioperative stroke within 7 days after surgery. These findings emphasize the importance of perioperative cerebral blood flow autoregulation to prevent ischemic stroke.PMID:34252055 | DOI:10.1213/ANE.0000000000005604
Source: Anesthesia and Analgesia - July 12, 2021 Category: Anesthesiology Authors: Karuna Wongtangman Luca J Wachtendorf Michael Blank Stephanie D Grabitz Felix C Linhardt Omid Azimaraghi Dana Raub Stephanie Pham Samir M Kendale Ying H Low Timothy T Houle Matthias Eikermann Richard J Pollard Source Type: research

Perioperative stroke: pathophysiology and management.
Authors: Ko SB Abstract Although perioperative stroke is uncommon during low-risk non-vascular surgery, if it occurs, it can negatively impact recovery from the surgery and functional outcome. Based on the Society for Neuroscience in Anesthesiology and Critical Care Consensus Statement, perioperative stroke includes intraoperative stroke, as well as postoperative stroke developing within 30 days after surgery. Factors related to perioperative stroke include age, sex, a history of stroke or transient ischemic attack, cardiac surgery (aortic surgery, mitral valve surgery, or coronary artery bypass graft surgery), and...
Source: Korean Journal of Anesthesiology - February 16, 2018 Category: Anesthesiology Tags: Korean J Anesthesiol Source Type: research

Neurocognitive, Quality of Life, and Behavioral Outcomes for Patients With Covert Stroke After Cardiac Surgery: Exploratory Analysis of Data From a Prospectively Randomized Trial
CONCLUSIONS: More than one-half of patients undergoing cardiac surgery demonstrated covert stroke. In this exploratory analysis, covert stroke was not found to be significantly associated with neurocognitive dysfunction 1 month after surgery; evidence of impaired quality of life, anxiety, or depression, albeit a type II error, cannot be excluded.PMID:34319914 | DOI:10.1213/ANE.0000000000005690
Source: Anesthesia and Analgesia - July 28, 2021 Category: Anesthesiology Authors: Choy Lewis Annabelle Levine Lauren C Balmert Liqi Chen Saadia S Sherwani Alexander J Nemeth Jordan Grafman Rebecca Gottesman Charles H Brown Charles W Hogue Source Type: research

Review article: The role of hypotension in perioperative stroke.
CONCLUSIONS: Unusually low blood pressure will eventually result in neurological damage; however, the threshold and duration at which an association might be found between a perioperative stroke and hypotension have not been well investigated. Thus, the exact role of hypotension in the etiology of perioperative stroke is still largely unknown. PMID: 23239486 [PubMed - as supplied by publisher]
Source: Canadian Journal of Anaesthesia - December 13, 2012 Category: Anesthesiology Authors: Bijker JB, Gelb AW Tags: Can J Anaesth Source Type: research

Perioperative stroke: incidence, etiologic factors, and prevention.
CONCLUSIONS: Recognition of the incidence, risk factors, and causes of perioperative stroke may lead to prevention and proper management. PMID: 28901120 [PubMed - as supplied by publisher]
Source: Minerva Anestesiologica - September 14, 2017 Category: Anesthesiology Tags: Minerva Anestesiol Source Type: research

A prospective observational study of stroke volume responsiveness to a passive leg raise manoeuvre in healthy non‐starved volunteers as assessed by transthoracic echocardiography
Summary Current guidelines for intra‐operative fluid management recommend the use of increments in stroke volume following intravenous fluid bolus administration as a guide to subsequent fluid therapy. To study the physiological premise of this paradigm, we tested the hypothesis that healthy, non‐starved volunteers would develop an increment in their stroke volume following a passive leg raise manoeuvre. Subjects were positioned supine and stroke volume was measured by transthoracic echocardiography at baseline, 30 s, 1 min, 3 min and 5 min after passive leg raise manoeuvre to 45°. Stroke volume was measured at end...
Source: Anaesthesia - March 18, 2014 Category: Anesthesiology Authors: G. E. P. Godfrey, S. W. Dubrey, J. M. Handy Tags: Original Article Source Type: research

The utility of intra‐operative three‐dimensional transoesophageal echocardiography for dynamic measurement of stroke volume
This study included 40 cardiac surgery patients. Haemodynamic variables were measured before and 2 min after haemodynamic interventions, which consisted of phenylephrine 100 μg or ephedrine 5 mg. We used Bland–Altman analysis to assess the agreement between the stroke volume measured by three‐dimensional transoesophageal echocardiography and by the pulmonary artery catheter. Polar‐plot and 4‐quadrant plot analyses were used to assess the trending ability of three‐dimensional transoesophageal echocardiography compared with the pulmonary artery catheter. Bias and percentage error were −1.2 ml and 20%, respec...
Source: Anaesthesia - September 29, 2014 Category: Anesthesiology Authors: K. Suehiro, K. Tanaka, T. Yamada, T. Matsuura, T. Funao, T. Mori, K. Nishikawa Tags: Original Article Source Type: research

Effect of stroke volume variation‐directed fluid management on blood loss during living‐donor right hepatectomy: a randomised controlled study
Summary Reducing blood loss is beneficial in living liver donor hepatectomy. Although it has been suggested that maintaining a low central venous pressure is important, it is known that low stroke volume variation may be associated with increased blood loss. Therefore, we compared the effect on blood loss of 40 patients randomly assigned to a high stroke volume variation group (maintaining 10–20% of stroke volume variation) vs 38 patients in a control group (maintaining < 10% stroke volume variation) during living‐donor right hepatectomy. Mean (SD) blood loss during donor hepatectomy was significantly lower in the ...
Source: Anaesthesia - July 28, 2015 Category: Anesthesiology Authors: S.‐S. Choi, I.‐G. Jun, S.‐S. Cho, S.‐K. Kim, G.‐S. Hwang, Y.‐K. Kim Tags: Original Article Source Type: research