نتایج جستجو برای: csf features
تعداد نتایج: 550395 فیلتر نتایج به سال:
We extend critical success factors (CSF) methodology to facilitate participation by many people within and around the organization for information systems planning. The resulting new methodology, called “critical success chains (CSC),” extends CSF to explicitly model the relationships between IS attributes, CSF, and organizational goals. Its use is expected to help managers to (1) consider a wi...
UNLABELLED Neurological deficit remains a devastating complication of thoracic aortic surgery despite advances in methods to protect the spinal cord from ischemia. Various techniques have been used, including the combination of cerebrospinal fluid (CSF) drainage and distal aortic perfusion to decrease the incidence of postoperative neurological deficit. These deficits are usually bilateral and ...
زمینه و هدف: عوامل محرک کلونیگلیکوپروتئین‌هایی هستند که تکثیر و تمایز سلولهای پیش‌ساز خونساز را در مغز استخوان تحریک میکنند. اما مطالعات متعدد نشان داده اند این فاکتورها می توانند سبب تحریک تکثیر سلولهای غیر خونساز، از جمله سلولهای سرطانی نیز شوند. از این رو در این مطالعه عوامل محرک کلونی-ماکروفاژی (M-CSF)، ماکروفاژی-گرانولوسیتی (GM-CSF) و گرانولوسیتی (G-CSF) در سرم بیماران مبتلا به تومور پست...
Central nervous system tuberculosis is the most severe form of extrapulmonary tuberculosis disease. We aim to review the diagnostic and radiological features, pathogenesis, and biomarkers of tuberculous meningitis. We also aim to look at the latest development of research of the disease. The diagnosis of tuberculous (TB) meningitis is difficult because the disease presents with unspecific clini...
The aim was to extend recent findings of suggested temperamental features in attempted suicide and to explore possible domains of vulnerability to suicide risk after attempted suicide. Fifty-four psychiatric inpatients hospitalized after a suicide attempt underwent lumbar puncture for analysis of CSF 5-HIAA concentration and also completed the Karolinska Scales of Personality (KSP) before disch...
Granulocyte colony-stimulating factor (G-CSF) is a major cytokine that regulates proliferation and differentiation of myeloid cells, although the underlying mechanisms by which G-CSF controls myeloid differentiation are largely unknown. Differentiation of hematopoietic cells is regulated by lineage-specific transcription factors, and gene-targeting studies previously revealed the critical roles...
IMPORTANCE We observed a significant correlation between cerebrospinal fluid (CSF) levels of tau proteins and α-synuclein, but not β-amyloid 1-42 (Aβ1-42), and lower concentration of CSF biomarkers, as compared with healthy controls, in a cohort of entirely untreated patients with Parkinson disease (PD) at the earliest stage of the disease studied so far. OBJECTIVE To evaluate the baseline ch...
Granulocyte colony-stimulating factor (G-CSF) is a major cytokine that regulates proliferation and differentiation of myeloid cells, although the underlying mechanisms by which G-CSF controls myeloid differentiation are largely unknown. Differentiation of hematopoietic cells is regulated by lineage-specific transcription factors, and gene-targeting studies previously revealed the critical roles...
BACKGROUND AND PURPOSE MR imaging is currently not used to evaluate CSF flow changes due to short-lasting physiological maneuvers. The purpose of this study was to evaluate the ability of MR imaging to assess the CSF flow response to a Valsalva maneuver in healthy participants. MATERIALS AND METHODS A cardiac-gated fast cine-PC sequence with ≤15-second acquisition time was used to assess CSF ...
BACKGROUND AND PURPOSE The development of syringomyelia has been associated with changes in CSF flow dynamics in the spinal subarachnoid space. However, differences in CSF flow velocity between patients with posttraumatic syringomyelia and healthy participants remains unclear. The aim of this work was to define differences in CSF flow above and below a syrinx in participants with posttraumatic ...
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