نتایج جستجو برای: norepinephrine
تعداد نتایج: 21225 فیلتر نتایج به سال:
Despite a blood-brain barrier for norepinephrine, the concentration of norepinephrine in plasma and cerebrospinal fluid has been observed to be similar. This relationship between plasma and cerebrospinal fluid norepinephrine levels suggest that peripheral sympathetic neurons innervating blood vessels to brain and spinal cord may contribute significantly to cerebrospinal fluid norepinephrine lev...
Renal Sympathetic Hyperactivity in Hypertension: True or False? To the Editor: Increased renal norepinephrine spillover, observed by using isotope-dilution method, is thought to indicate renal sympathetic hyperactivity and to play a crucial role in hypertension. However, SYMPLICITY HTN-3 (Renal Denervation in Patients With Uncontrolled Hypertension), the first randomized shamcontrolled trial, f...
Renal Sympathetic Hyperactivity in Hypertension: True or False? To the Editor: Increased renal norepinephrine spillover, observed by using isotope-dilution method, is thought to indicate renal sympathetic hyperactivity and to play a crucial role in hypertension. However, SYMPLICITY HTN-3 (Renal Denervation in Patients With Uncontrolled Hypertension), the first randomized shamcontrolled trial, f...
Renal Sympathetic Hyperactivity in Hypertension: True or False? To the Editor: Increased renal norepinephrine spillover, observed by using isotope-dilution method, is thought to indicate renal sympathetic hyperactivity and to play a crucial role in hypertension. However, SYMPLICITY HTN-3 (Renal Denervation in Patients With Uncontrolled Hypertension), the first randomized shamcontrolled trial, f...
The release of [3H]norepinephrine from isolated mouse vas deferens has been measured. 1-Phenylephrine and 1-norepinephrine significantly enhanced the spontaneous release of radioactivity. As shown by a combination of HPLC and scintillation spectrometry, the release of total radioactivity in response to 1-phenylephrine or 1-norepinephrine consisted mainly of [3H]norepinephrine. Evidence has been...
Background: Hypovolemia and reduced vascular tone have a role in determining the severity of hypotension septic shock. The risk fluid overload is presented as common complication during shock resuscitation. study aimed to investigate effect early norepinephrine administration on outcomes patients with sepsis induced hypotension.Methods: This was performed 64 diagnosed sepsis. were randomly allo...
Renal Sympathetic Hyperactivity in Hypertension: True or False? To the Editor: Increased renal norepinephrine spillover, observed by using isotope-dilution method, is thought to indicate renal sympathetic hyperactivity and to play a crucial role in hypertension. However, SYMPLICITY HTN-3 (Renal Denervation in Patients With Uncontrolled Hypertension), the first randomized shamcontrolled trial, f...
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