نتایج جستجو برای: contralateral

تعداد نتایج: 20191  

Journal: :AJNR. American journal of neuroradiology 2006
G Lantz M Seeck F Lazeyras

BACKGROUND AND PURPOSE Magnetic resonance (MR) spectroscopy can be used to determine the side of seizure onset in patients with temporal lobe epilepsy. Some patients with abnormal MR spectroscopy findings also have contralateral abnormalities, which in some cases have been reported to normalize after temporal lobe resection. With the aim of better understanding the mechanisms underlying abnorma...

Journal: :Neurosurgery 1992
H R McFarland J A Pinkerton

Two hundred ninety-three carotid endarterectomies were performed with electroencephalogram (EEG) monitoring and without the use of a shunt. Two hundred sixteen patients had contralateral carotid stenosis of less than 70%; 45 had contralateral stenosis of 70 to 99%; and 32 had contralateral occlusion. There were six perioperative strokes (2.0%) and two deaths (0.7%). Major EEG changes were seen ...

Journal: :American journal of physiology. Heart and circulatory physiology 2015
Maha Coucha Weiguo Li Sherif Hafez Mohammed Abdelsaid Maribeth H Johnson Susan C Fagan Adviye Ergul

Admission hyperglycemia (HG) amplifies vascular injury and neurological deficits in acute ischemic stroke, but the mechanisms remain controversial. We recently reported that ischemia-reperfusion (I/R) injury impairs the myogenic response in both hemispheres via increased nitration. However, whether HG amplifies contralateral myogenic dysfunction and whether loss of tone in the contralateral hem...

2017
Soo Jung Kim Seung Yong Song Dae Hyun Lew Dong Won Lee

BACKGROUND In breast reconstruction using implants after unilateral mastectomy, it is challenging to create a natural, ptotic contour, and asymmetry is a potential drawback. To achieve breast symmetry and an ideal shape for both breasts, we performed contralateral augmentation in patients undergoing breast reconstruction with implants. METHODS Patients underwent unilateral mastectomy and 2-st...

Journal: :Brazilian journal of otorhinolaryngology 2012
Ali Amar Helma Maria Chedid Sergio Altino Franzi Abrão Rapoport

UNLABELLED Unilateral or bilateral neck dissection must be considered in the treatment of laryngeal cancer AIM To evaluate the prevalence of contralateral metastases in larynx cancer and distribution of these metastases according to lymph node levels in the neck. METHOD Retrospective longitudinal study of 272 charts from patients with squamous cell cancer of the larynx treated between 1996 ...

Journal: :Journal of neurophysiology 1999
S C Cramer S P Finklestein J D Schaechter G Bush B R Rosen

Previous studies have shown that unilateral finger movements are normally accompanied by a small activation in ipsilateral motor cortex. The magnitude of this activation has been shown to be altered in a number of conditions, particularly in association with stroke recovery. The site of this activation, however, has received limited attention. To address this question, functional magnetic reson...

2015
Lin Gao Linda Sommerlade Brian Coffman Tongsheng Zhang Julia M. Stephen Dichen Li Jue Wang Celso Grebogi Bjoern Schelter

Exploration of transient Granger causal interactions in neural sources of electrophysiological activities provides deeper insights into brain information processing mechanisms. However, the underlying neural patterns are confounded by time-dependent dynamics, non-stationarity and observational noise contamination. Here we investigate transient Granger causal interactions using source time-serie...

2002
X. Liu H. L. Ford-Dunn G. N. Hayward D. Nandi R. C. Miall T. Z. Aziz J. F. Stein

Objectives: To investigate the oscillatory activity in the Parkinsonian subthalamic nucleus using the macro-electrodes for deep brain stimulation. Methods: During bilateral deep brain stimulating electrode implantation, spontaneous and evoked field potentials were recorded from the subthalamic nucleus (STN) in two patients with Parkinson’s disease (PD) during spontaneous resting tremor, passive...

2012
Yasuhiro Ito Takuya Higashiyama Yuuki Takamura Kaoru Kobayashi Akihiro Miya Akira Miyauchi

Papillary thyroid carcinoma (PTC) frequently metastasizes to the lymph node in lateral compartment, which can often be detected on preoperative ultrasonography (N1b). However, PTC located in one lobe showing contralateral but not ipsilateral N1b is not common. We analyzed the clinicopathological features and prognosis of 13 patients with PTC limited in one lobe showing contralateral but not ips...

Journal: :Neuroreport 2000
I Bileviciute-Ljungar T Lundeberg

The aim of the present study was to establish whether contralateral treatment with local anaesthetics reduces nociceptive behaviour in mononeuropathic rats. Contralateral treatment with xylocaine on day 6 and 11 following sciatic nerve ligation increased withdrawal latencies to thermal but not to mechanical stimulation for 3-4 days. Rats who received contralateral treatment with xylocaine on da...

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