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Procedure: Perfusion

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Total 2334 results found since Jan 2013.

Areas of Cerebral Ischemia Have Increased Propensity to Convert to Infarct among Diabetics (P7.155)
CONCLUSIONS: PCT evaluation suggests that a lower CBV could explain worse outcomes among diabetics with stroke. Microvascular disease and endothelial dysfunction should be investigated as potential mechanisms for lower CBV and worse outcomes among diabeticsDisclosure: Dr. Mohamed has nothing to disclose. Dr. Reddy has nothing to disclose. Dr. Bhattacharya has nothing to disclose.
Source: Neurology - April 9, 2014 Category: Neurology Authors: Mohamed, W., Reddy, S., Bhattacharya, P. Tags: Cerebrovascular Disease and Interventional Neurology: Predictors of Outcome After Ischemic Stroke Source Type: research

Combined Low-Dose Contrast-Enhanced MR Angiography and Perfusion for Acute Ischemic Stroke at 3T: A More Efficient Stroke Protocol EVIDENCE-BASED MEDICINE LEVEL 2
CONCLUSIONS: In patients with acute stroke, combined low-dose contrast-enhanced MRA and dynamic susceptibility contrast perfusion at 3T is feasible and results in significant scan time and contrast dose reductions.
Source: American Journal of Neuroradiology - June 11, 2014 Category: Radiology Authors: Nael, K., Meshksar, A., Ellingson, B., Pirastehfar, M., Salamon, N., Finn, P., Liebeskind, D. S., Villablanca, J. P. Tags: EVIDENCE-BASED MEDICINE LEVEL 2 Source Type: research

Reply to “The effects of functional electrical stimulation on upper extremity function and cortical plasticity in chronic stroke patients”
I appreciate the very important and developed suggestions by Dr. Cecatto for our article (). The proposals on the reasons why EMG-controlled FES (EMG–FES) could shift the brain hemispheric-dominant perfusion in our study provided our study further development and progress. The motor output and corresponding muscle and joint proprioceptive feedback may be tightly coupled and coordinated with movement by EMG–FES. As Dr. Cecatto proposed, these neural reorganisation mechanisms should be explored. The sensory components of large afferent fibre activation, proprioceptive input and increased cognitive sensory attention are a...
Source: Clinical Neurophysiology - February 10, 2014 Category: Neuroscience Authors: Yukihiro Hara Tags: Letters to the Editor Source Type: research

Combined thrombolysis in posterior circulation stroke caused by bilateral vertebral artery dissection in squash player.
CONCLUSIONS: Vertebral artery dissection should be taken into consideration in differential diagnosis of posterior circulation stroke or TIA in young patients with a history of even as subtle precipitating events as forceful head movements. Combined thrombolytic therapy may provide safe and effective treatment of stroke-complicated cases. This case report shows that expanded diagnostic protocol for acute ischemic stroke, including computed tomography perfusion study and angiography of cervical and cranial vessels, assures rapid and correct diagnosis. PMID: 25168332 [PubMed - indexed for MEDLINE]
Source: Neurologia i Neurochirurgia Polska - October 26, 2014 Category: Neurology Authors: Frankowska E, Brzozowski K, Staszewski J, Kolmaga N, Stępień A, Bogusławska-Walecka R Tags: Neurol Neurochir Pol Source Type: research

Combining MRI with NIHSS Thresholds to Predict Outcome in Acute Ischemic Stroke: Value for Patient Selection BRAIN
CONCLUSIONS: Our predictive model is validated in a much larger patient cohort. Outcome may be predicted in up to two-thirds of patients, and thresholds are affected by stroke side and reperfusion therapy.
Source: American Journal of Neuroradiology - February 11, 2015 Category: Radiology Authors: Schaefer, P. W., Pulli, B., Copen, W. A., Hirsch, J. A., Leslie-Mazwi, T., Schwamm, L. H., Wu, O., Gonzalez, R. G., Yoo, A. J. Tags: BRAIN Source Type: research

IV thrombolysis in minor stroke: using MRI based vessel and perfusion abnormalities to identify a subpopulation that may benefit. (P6.236)
CONCLUSIONS: Treated minor stroke patients had more severe admit NIHSS although favorable outcomes did not differ compared to untreated patients. Minor stroke patients with perfusion deficit and\or LVO showed greater benefit from treatment than patients without these abnormalities. There was a 50[percnt] chance of unfavorable outcome when patients with imaging abnormalities did not receive IV tPA. These preliminary results suggest that the presence of specific imaging abnormalities may help to predict which minor stroke patients may benefit from thrombolysis.Disclosure: Dr. Shah has nothing to disclose. Dr. Latour has noth...
Source: Neurology - April 8, 2015 Category: Neurology Authors: Shah, A., Latour, L., Brown, T., Benson, R., Hsia, A., Lynch, J., Nadareishvili, Z., Luby, M. Tags: Cerebrovascular Disease and Interventional Neurology: Acute Thrombolysis Source Type: research

Impact of Surgical Stroke on the Early and Late Outcomes After Thoracic Aortic Operations
Conclusions Surgical stroke is associated with high hospital mortality and PNDs that decrease late survival and the physical component score of the QOL survey.
Source: The Annals of Thoracic Surgery - April 10, 2015 Category: Cardiovascular & Thoracic Surgery Source Type: research

Ischemic Conditioning Is Safe and Effective for Octo- and Nonagenarians in Stroke Prevention and Treatment
The objective of this study was to evaluate the safety and effectiveness of BAIPC in reducing stroke recurrence in octo- and nonagenarian patients with SIAS. Fifty-eight patients with SIAS were enrolled in this randomized controlled prospective study for 180 consecutive days. All patients enrolled in the study received standard medical management. Patients in the BAIPC group (n = 30) underwent 5 cycles consisting of bilateral arm ischemia followed by reperfusion for 5 min each twice daily. Those in the control group (n = 28) underwent sham-BAIPC twice daily. Blood pressure, heart rate, local skin status, plasma m...
Source: Neurotherapeutics - May 9, 2015 Category: Neurology Source Type: research

Risk of pneumonia associated with zero‐degree head positioning in acute ischemic stroke patients treated with intravenous tissue plasminogen activator
ConclusionsZero‐degree head of bed positioning in the first 24 h following an acute ischemic stroke treated with IV‐tPA was associated with acceptable rates of pneumonia. Rates for pneumonia may be further reduced by eliminating use of a 0° protocol in intubated/mechanically ventilated patients. A zero‐degree head of bed position is recommended to increase cerebral perfusion in nonhypoxic acute ischemic stroke patients able to tolerate lying flat. However, this is not uniformly applied in clinical practice, most likely due to concerns of aspiration pneumonia. In our retrospective descriptive study, zero‐degree p...
Source: Brain and Behavior - December 1, 2015 Category: Neurology Authors: Paola Palazzo, Amy Brooks, David James, Randy Moore, Andrei V. Alexandrov, Anne W. Alexandrov Tags: Original Research Source Type: research

Effects of acupuncture on the harmonic components of the radial arterial blood-pressure waveform in stroke patients.
CONCLUSION: Cn values might reflect changes in arterial pulse transmission, and the blood-pressure-harmonic-variability response might be partly attributable to cardiovascular regulatory activities caused by acupuncture-induced changes in the cerebral microvascular blood flow perfusion. The present findings of blood pressure waveform harmonic analysis may be useful to the development of a noninvasive and real-time technique for evaluating treatment efficacy in stroke patients. PMID: 23619154 [PubMed - indexed for MEDLINE]
Source: Biorheology - January 21, 2016 Category: Biochemistry Tags: Biorheology Source Type: research

Utilization of Emergent Neuroimaging for Thrombolysis‐Eligible Stroke Patients
CONCLUSIONSAmong acute stroke patients, noncontrast CT was the most common initial imaging strategy in clinical practice in the 2005–2012 time period, though use of concomitant CTA grew to one‐quarter of cases, suggestive of an upward trend.
Source: Journal of Neuroimaging - June 13, 2016 Category: Radiology Authors: Nerses Sanossian, Katherine A. Fu, David S. Liebeskind, Sidney Starkman, Scott Hamilton, J. Pablo Villablanca, Adrian M. Burgos, Robin Conwit, Jeffrey L. Saver Tags: Clinical Investigative Study Source Type: research

Comprehensive imaging of stroke - Looking for the gold standard.
CONCLUSIONS: Our study proves that advanced neuroimaging modalities allow for a substantial increase of sensitivity when detecting changes in patients with acute ischaemic strokes and confirming the clinical diagnosis. We believe that MR in combination with DWI should be the imaging methods of choice in diagnosing acute stroke patients. Perfusion adds significant diagnostic value to structural techniques, particularly in clinically ambiguous cases. In cases with a clear clinical picture the data provided by a non-contrast CT study is sufficient for therapeutic decision making. PMID: 27375137 [PubMed - as supplied by publisher]
Source: Neurologia i Neurochirurgia Polska - June 30, 2016 Category: Neurology Authors: Piliszek A, Witkowski G, Sklinda K, Szary C, Ryglewicz D, Dorobek M, Walecki J Tags: Neurol Neurochir Pol Source Type: research

Utilization of Emergent Neuroimaging for Thrombolysis ‐Eligible Stroke Patients
CONCLUSIONSAmong acute stroke patients, noncontrast CT was the most common initial imaging strategy in clinical practice in the 2005–2012 time period, though use of concomitant CTA grew to one‐quarter of cases, suggestive of an upward trend.
Source: Journal of Neuroimaging - June 13, 2016 Category: Radiology Authors: Nerses Sanossian, Katherine A. Fu, David S. Liebeskind, Sidney Starkman, Scott Hamilton, J. Pablo Villablanca, Adrian M. Burgos, Robin Conwit, Jeffrey L. Saver Tags: Clinical Investigative Study Source Type: research

E-095 Early Hyperglycemia Predicts Poor Outcome Despite Successful Stroke Thrombectomy
ConclusionsIn selected stroke patients with successful endovascular reperfusion, early hyperglycemia may be independently associated with poor outcome and mortality over other medical co-morbidities. Further prospective study confirming this effect may further develop treatment strategies to prevent this injury.DisclosuresK. Dezse: None. S. Bajgur: None. A. Harrison: None. J. Mejilla: None. W. Hicks: None. T. Davis: None. P. Pema: None. R. Budzik: None. N. Vora: 2; C; Medtronic Neurovascular, Microvention Neurovascular. 3; C; Medtronic Neurovascular.
Source: Journal of NeuroInterventional Surgery - July 28, 2016 Category: Neurosurgery Authors: Dezse, K., Bajgur, S., Harrison, A., Mejilla, J., Hicks, W., Davis, T., Pema, P., Budzik, R., Vora, N. Tags: Electronic poster abstracts Source Type: research

Susceptibility-diffusion mismatch in middle cerebral artery territory acute ischemic stroke: clinical and imaging implications.
CONCLUSION: The presence of SWI-DWI mismatch in acute MCA territory ischemic infarct is associated with smaller infarct volume. Moreover, SWI-DWI mismatch was associated with better outcome after correction for infarct size, severity of admission symptoms, and age. PMID: 27799573 [PubMed - as supplied by publisher]
Source: Acta Radiologica - October 30, 2016 Category: Radiology Authors: Payabvash S, Taleb S, Benson JC, Hoffman B, Oswood MC, McKinney AM, Rykken JB Tags: Acta Radiol Source Type: research