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Condition: Hemorrhagic Stroke
Procedure: Anesthesia
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Total 259 results found since Jan 2013.
Peripheral Venous Pressure as an Indicator of Preload Responsiveness During Volume Resuscitation from Hemorrhage.
CONCLUSIONS: Fluid resuscitation above a PAOP 10 mm Hg reduces myocardial compliance and reduces the venous return pressure gradient. The hemodynamic response to fluid resuscitation becomes limited by diastolic properties of the heart. PVP measurement during hemorrhage resuscitation may predict fluid responsiveness and nonresponsiveness.
PMID: 27314691 [PubMed - in process]
Source: Anesthesia and Analgesia - June 19, 2016 Category: Anesthesiology Authors: Kinsky M, Ribeiro N, Cannesson M, Deyo D, Kramer G, Salter M, Khan M, Ju H, Johnston WE Tags: Anesth Analg Source Type: research
In vivo bioimpedance changes during haemorrhagic and ischaemic stroke in rats: towards 3D stroke
imaging using electrical impedance tomography
Electrical impedance tomography (EIT) could be used as a portable non-invasive means to image the
development of ischaemic stroke or haemorrhage. The purpose of this study was to examine if this was
possible using time difference imaging, in the anesthetised rat using 40 spring-loaded scalp
electrodes with applied constant currents of 50–150 μ A at 2 kHz. Impedance changes in the largest
10% of electrode combinations were −12.8% ± 12.0% over the first 10 min for haemorrhage
and +46.1% ± 37.2% over one hour for ischaemic stroke (mean ± SD, n = 7 in each gro...
Source: Physiological Measurement - May 18, 2016 Category: Physiology Authors: T Dowrick, C Blochet and D Holder Source Type: research
Stroke
This 18-month-old girl developed left-sided focal seizures, left arm and leg weakness 3 days after an uncomplicated appendicectomy. She had been previously well, and the surgery was uneventful. An urgent cranial MR scan was performed under general anaesthetic within 12 h of the onset of symptoms. Look at the selected images from this study and answer the following questions. Read on to confirm the answers and learn more about the use of diffusion-weighted imaging (DWI) in this condition. Questions There is evidence of acute intracerebral haemorrhage. (True or false?) The abnormality is in the left middle cerebral...
Source: Archives of Disease in Childhood - Education and Practice - May 17, 2016 Category: Pediatrics Authors: Williams, H. Tags: Oncology, Illuminations, Epilepsy and seizures, Stroke, Child health, Other anaesthesia Source Type: research
Pediatric National Surgical Quality Improvement Program: Useful for Quality Improvement in Craniosynostosis Surgery?
Abstract: The American College of Surgeons and the American Pediatric Surgical Association collaborate to provide pediatric hospitals with multispeciality surgical outcomes data through the Pediatric National Surgical Quality Improvement Program (NSQIP Peds). The authors used this national multicenter database to describe 30-day outcomes from craniosynostosis surgery and identify associations with perioperative events and blood transfusion.
Data from NSQIP Peds were used to describe children undergoing craniosynostosis surgery. The authors examined statistical association of clinical risk factors with the defined end poin...
Source: Journal of Craniofacial Surgery - May 1, 2016 Category: Surgery Tags: Original Articles Source Type: research
Outcome Predictors After Successful Intra-Arterial Therapy for Acute Ischemic Stroke (P1.195)
Conclusion: Age, NIHSS score, use of stent retrievers, mode of anesthesia, and symptomatic ICH might affect functional outcome in stroke patients who achieve successful recanalization via intra-arterial therapy. Prospective studies, or a meta-analysis of sub-groups in the recently published prospective trials are needed to confirm the association between those factors, or others, and functional outcome.Disclosure: Dr. Noufal has nothing to disclose. Dr. Mankad has nothing to disclose. Dr. Lakraj has nothing to disclose. Dr. Cox has nothing to disclose. Dr. Shirilla has nothing to disclose. Dr. Sattar has nothing to disclos...
Source: Neurology - April 3, 2016 Category: Neurology Authors: Noufal, M., Mankad, J., Lakraj, A. A., Cox, J.-A., Shirilla, D., Sattar, A., Wazni, W., Sallowm, Y., Lynch, J., Zaidat, O. Tags: Acute Endovascular Therapy: Outcomes and Safety Source Type: research
Intraoperative seizures during craniotomy under general anesthesia
An acute symptomatic seizure is a clinical seizure occurring at the time of a systemic insult or in close temporal association with a documented brain insult [1]. Seizures have been reported to occur at the time of focal brain insults including head trauma, ischemic stroke, and intracranial hemorrhage [2] but have not previously been reported as an intraoperative consequence of a neurosurgical procedure. Propofol is commonly used as an anesthetic agent [3] and a treatment for status epilepticus [4], but it has been reported to be a proconvulsant in some cases [5].
Source: Seizure: European Journal of Epilepsy - March 31, 2016 Category: Neurology Authors: John Howe, Xiaoying Lu, Zoe Thompson, Gordon W. Peterson, Travis E. Losey Tags: Short communication Source Type: research
Applied cardiovascular physiology
Publication date: Available online 29 March 2016 Source:Anaesthesia & Intensive Care Medicine Author(s): Jon Hopper, Carla Gould Maintaining an equilibrium between oxygen supply and demand is a principal function of the cardiovascular system. In times of altered metabolic demand mechanisms exist to maintain the balance between supply and demand. Exercise, haemorrhage and pregnancy all lead to changes in oxygen demand and subsequently modification of cardiac output. The main response to isotonic exercise is an increased cardiac output by autonomically mediated increases in heart rate and venous return. This allo...
Source: Anaesthesia and intensive care medicine - March 28, 2016 Category: Anesthesiology Source Type: research
The Utility of Bolus IV Nicardipine for Hypertensive Emergencies in the Emergency Department
We describe the first two documented cases of use of nicardipine administered as an IV bolus dose in the emergency department for hypertensive emergencies involving acute ischemic stroke and hemorrhagic stroke.
Source: The American Journal of Emergency Medicine - March 21, 2016 Category: Emergency Medicine Authors: Stephanie N. Komura, Nadia I. Awad Tags: Case Report Source Type: research
The utility of bolus intravenous nicardipine for hypertensive emergencies in the ED
We describe the first 2 documented cases of use of nicardipine administered as an IV bolus dose in the emergency department (ED) for hypertensive emergencies involving acute ischemic stroke and hemorrhagic stroke.
Source: The American Journal of Emergency Medicine - March 20, 2016 Category: Emergency Medicine Authors: Stephanie N. Komura, Nadia I. Awad Tags: Case Report Source Type: research
Pulmonary and circulatory parameter guided anesthesia in patients with ischemic stroke undergoing endovascular recanalization
Conclusions
In patients receiving endovascular stroke treatment under general anesthesia, the cumulative dose of norepinephrine was an independent predictor of an unfavorable outcome. Further studies are needed to evaluate the optimal management of blood pressure in these patients, and whether avoidance of catecholamines could partly explain the improved outcomes for patients treated under conscious sedation in retrospective studies.
Source: Journal of NeuroInterventional Surgery - March 15, 2016 Category: Neurosurgery Authors: Mundiyanapurath, S., Stehr, A., Wolf, M., Kieser, M., Möhlenbruch, M., Bendszus, M., Hacke, W., Bösel, J. Tags: Ischemic stroke Source Type: research
Cortical spreading depression occurs during elective neurosurgical procedures.
CONCLUSIONS CSD can occur during elective neurosurgical procedures even in brain regions distant from the immediate operative site. ECoG monitoring with a DC-coupled full-spectrum amplifier seemed to provide the most stable signal despite significant challenges to the operating room environment. CSD may be responsible for some cases of secondary surgical injury. Though further studies on outcome related to the occurrence of these events is needed, efforts to decrease the occurrence of CSD by modification of anesthetic regimen may represent a novel target for study to increase the safety of neurosurgical procedures.
PM...
Source: Journal of Neurosurgery - March 11, 2016 Category: Neurosurgery Authors: Carlson AP, William Shuttleworth C, Mead B, Burlbaw B, Krasberg M, Yonas H Tags: J Neurosurg Source Type: research
Changes in pulse pressure variation and plethysmographic variability index caused by hypotension-inducing hemorrhage followed by volume replacement in isoflurane-anesthetized dogs.
CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that both PPV and PVI may be useful for identification of dogs that respond to VR with increases in SI and CI (ie, dogs in the preload-dependent limb of the Frank-Starling curve).
PMID: 26919599 [PubMed - in process]
Source: American Journal of Veterinary Research - February 28, 2016 Category: Veterinary Research Authors: Klein AV, Teixeira-Neto FJ, Garofalo NA, Lagos-Carvajal AP, Diniz MS, Becerra-Velásquez DR Tags: Am J Vet Res Source Type: research
Postoperative conversion disorder
Conversion disorder is a psychiatric disorder in which psychological stress causes neurologic deficits. A 28-year-old female surgical patient had uneventful general anesthesia and emergence but developed conversion disorder 1 hour postoperatively. She reported difficulty speaking, right-hand numbness and weakness, and right-leg paralysis. Neurologic examination and imaging revealed no neuronal damage, herniation, hemorrhage, or stroke. The patient mentioned failing examinations the day before surgery and discontinuing her prescribed antidepressant medication, leading us to diagnose conversion disorder, with eventual confir...
Source: Journal of Clinical Anesthesia - February 20, 2016 Category: Anesthesiology Authors: Kola Afolabi, Sameer Ali, Vivian Gahtan, Reza Gorji, Fenghua Li, Nancy A. Nussmeier Tags: Case Report Source Type: research
The Effect of Tranexamic Acid on Blood Loss after Primary Unilateral Total Knee Arthroplasty. Prospective Single-Centre Study.
CONCLUSIONS Our study confirmed the efficacy and safety of tranexamic acid administration in relation to blood loss after total knee arthroplasty. In this indication, the administration is in accordance with the literature data.
KEY WORDS: tranexamic acid, total knee arthroplasty, post-operative haemorrhage, haemoglobin.
PMID: 26787182 [PubMed - in process]
Source: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca - January 22, 2016 Category: Orthopaedics Tags: Acta Chir Orthop Traumatol Cech Source Type: research
