22 research outputs found
Cerebral Venous Sinus Thrombosis in Children: A Multicenter Cohort From the United States
This study presents a large multicenter cohort of children with cerebral venous thrombosis from 5 centers in the United States and analyzes their clinical findings and risk factors. Seventy Patients were included in the study (25 neonates, 35%). The age ranged from 6 days to 12 years. Thirty-eight (55%) were younger than 6 months of age, and 28 (40%) were male. Presenting features included seizures (59%), coma (30%), headache (18%), and motor weakness (21%). Common neurological findings included decreased level of consciousness (50%), papilledema (18%), cranial nerve palsy (33%), hemiparesis (29%), and hypotonia (22%). Predisposing factors were identified in 63 (90%) Patients. These included infection (40%), perinatal complications (25%), hypercoagulable/hematological diseases (13%), and various other conditions (10%). Hemorrhagic infarcts occurred in 40% of the Patients and hydrocephalus in 10%. Transverse sinus thrombosis was more common (73%) than sagittal sinus thrombosis (35%). Three children underwent thrombolysis, 15 Patients received anticoagulation, and 49 (70%) were treated with antibiotics and hydration. Nine (13%) Patients (6 of them neonates) died. Twenty-nine Patients (41%) were normal, whereas 32 Patients (46%) had a neurological deficit at discharge. Seizures and coma at presentation were poor prognostic indicators. In conclusion, cerebral venous thrombosis predominantly affects children younger than age 6 months. Mortality is high (25%) in neonatal cerebral venous thrombosis. Only 18 (25%) Patients were treated with anticoagulation or thrombolysis
Hypernatremic dehydration, diabetes insipidus, and cerebral venous sinus thrombosis in a neonate: a case report
In-line filtration reduces severe complications and length of stay on pediatric intensive care unit: a prospective, randomized, controlled trial
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Proton magnetic resonance spectroscopy of human cervical spondylosis at 3T.
Study designA single-center magnetic resonance imaging and spectroscopic study involving 21 patients with advanced cervical spondylosis and 11 healthy controls.ObjectiveWe assessed the utility of magnetic resonance spectroscopy (MRS) to quantify biochemical changes within the spinal cord and serve as a potential biomarker in patients with cervical spondylosis with or without T2 hyperintensity within the cord.SettingLos Angeles, California, USA.MethodsTwenty-one patients with cervical spondylosis and eleven healthy controls were evaluated. Single-voxel MRS was performed in the cervical cord. Morphometry of the spinal canal space was measured. N-Acetyl aspartylglutamic acid (NAA), choline (Cho), myo-inositol (Myo-I), glutamine-glutamate complex (Glx) and lactate metabolite concentration ratios with respect to total creatine (Cr) were quantified using an LC model algorithm and compared between healthy controls and spondylosis patients. Correlation of MRS metabolites with modified Japanese Orthopaedic Association (mJOA) score was also performed.ResultsThe spinal canal space was significantly different between patients and controls (analysis of variance (ANOVA), P<0.0001). Total Cho-to-Cr ratio was significantly elevated in patients with spondylosis and T2-hyperintensity compared with healthy controls (ANOVA, P<0.01). A significantly higher Cho-to-NAA ratio was observed in spondylosis patients compared with healthy controls (ANOVA, P<0.01). Slightly elevated Glx and Myo-I were encountered in patients with stenosis without T2 hyperintensity. A linear correlation between Cho-NAA ratio and mJOA was also observed (P<0.01).ConclusionMRS appears sensitive to biochemical changes occurring in advanced cervical spondylosis patients. The Cho/NAA ratio was significantly correlated with the mJOA score, providing a potentially clinically useful radiographical biomarker for the management of advanced cervical spondylosis patients
Proton magnetic resonance spectroscopy of human cervical spondylosis at 3T.
Study designA single-center magnetic resonance imaging and spectroscopic study involving 21 patients with advanced cervical spondylosis and 11 healthy controls.ObjectiveWe assessed the utility of magnetic resonance spectroscopy (MRS) to quantify biochemical changes within the spinal cord and serve as a potential biomarker in patients with cervical spondylosis with or without T2 hyperintensity within the cord.SettingLos Angeles, California, USA.MethodsTwenty-one patients with cervical spondylosis and eleven healthy controls were evaluated. Single-voxel MRS was performed in the cervical cord. Morphometry of the spinal canal space was measured. N-Acetyl aspartylglutamic acid (NAA), choline (Cho), myo-inositol (Myo-I), glutamine-glutamate complex (Glx) and lactate metabolite concentration ratios with respect to total creatine (Cr) were quantified using an LC model algorithm and compared between healthy controls and spondylosis patients. Correlation of MRS metabolites with modified Japanese Orthopaedic Association (mJOA) score was also performed.ResultsThe spinal canal space was significantly different between patients and controls (analysis of variance (ANOVA), P<0.0001). Total Cho-to-Cr ratio was significantly elevated in patients with spondylosis and T2-hyperintensity compared with healthy controls (ANOVA, P<0.01). A significantly higher Cho-to-NAA ratio was observed in spondylosis patients compared with healthy controls (ANOVA, P<0.01). Slightly elevated Glx and Myo-I were encountered in patients with stenosis without T2 hyperintensity. A linear correlation between Cho-NAA ratio and mJOA was also observed (P<0.01).ConclusionMRS appears sensitive to biochemical changes occurring in advanced cervical spondylosis patients. The Cho/NAA ratio was significantly correlated with the mJOA score, providing a potentially clinically useful radiographical biomarker for the management of advanced cervical spondylosis patients