Recovery of pituitary thyrotropic function after withdrawal of prolonged thyroid-suppression therapy
…, LE Braverman, F Azizi, GI Portnay… - … England Journal of …, 1975 - Mass Medical Soc
The pattern of thyrotropin secretion was analyzed in seven euthyroid women, before and after
withdrawal of long-term thyroid hormone, by serial measurements of thyroid 131I uptake, …
withdrawal of long-term thyroid hormone, by serial measurements of thyroid 131I uptake, …
Hyperresponse to thyrotropin-releasing hormone accompanying small decreases in serum thyroid hormone concentrations
…, B Rapoport, F Azizi, GI Portnay… - The Journal of …, 1974 - Am Soc Clin Investig
To determine whether pituitary thyrotropin (TSH) responsiveness to thyrotropin-releasing
hormone (TRH) is enhanced by small decreases in serum thyroxine (T4) and triiodothyronine (…
hormone (TRH) is enhanced by small decreases in serum thyroxine (T4) and triiodothyronine (…
Pituitary-thyroid responsiveness to intramuscular thyrotropin-releasing hormone based on analyses of serum thyroxine, tri-iodothyronine and thyrotropin …
F Azizi, AG Vagenakis, GI Portnay… - … England Journal of …, 1975 - Mass Medical Soc
To develop a test of pituitary-thyroid responsiveness to thyrotropin-releasing hormone that
would obviate the need for measuring serum thyrotropin, we determined serum thyrotropin, …
would obviate the need for measuring serum thyrotropin, we determined serum thyrotropin, …
Thyroxine transport and metabolism in methadone and heroin addicts
F AZIZI, AG VAGENAKIS, GI PORTNAY… - Annals of Internal …, 1974 - acpjournals.org
The chronic use of methadone or heroin results in various abnormalities in the transport and
peripheral metabolism of thyroxine (T 4 ). An increase in the thyroxine-binding capacity of …
peripheral metabolism of thyroxine (T 4 ). An increase in the thyroxine-binding capacity of …
The effect of physiological doses of thyroxine on carrier-mediated ADP uptake by liver mitochondria from thyroidectomized rats
GI Portnay, FD McClendon, JE Bush… - Biochemical and …, 1973 - Elsevier
Carrier-mediated ADP uptake by liver mitochondria from myxedematous thyroidectomized
rats was compared with that of mitochondria from thyroidectomized animals rendered …
rats was compared with that of mitochondria from thyroidectomized animals rendered …
[PDF][PDF] A single method for measuring total thyroxine and free thyroxine index in serum
C Abreau, A Vagenakis, F Azizi, G Portnay… - Journal of Nuclear …, 1973 - Soc Nuclear Med
MATERIALS AND METHODS Test procedure. All reactions are carried out in small plastic
columns containing Sephadex G-25 equilibrated with 0. 1 N NaOH providing a pH greater …
columns containing Sephadex G-25 equilibrated with 0. 1 N NaOH providing a pH greater …
Anticoagulant therapy and acute adrenal insufficiency
GI PORTNAY, AG VAGENAKIS… - Annals of Internal …, 1974 - acpjournals.org
LETTERS Page 1 LETTERS Letters that report new observations and cases of unusual
importance will be considered for publication in this section. Manuscripts must be typed double-…
importance will be considered for publication in this section. Manuscripts must be typed double-…
Endovascular ultrasound renal denervation to treat hypertension (RADIANCE-HTN SOLO): a multicentre, international, single-blind, randomised, sham-controlled trial
…, S Aggarwal, G Ledley, D Hsi, S Martin, E Portnay… - The Lancet, 2018 - thelancet.com
Background Early studies suggest that radiofrequency-based renal denervation reduces blood
pressure in patients with moderate hypertension. We investigated whether an alternative …
pressure in patients with moderate hypertension. We investigated whether an alternative …
Ultrasound renal denervation for hypertension resistant to a triple medication pill (RADIANCE-HTN TRIO): a randomised, multicentre, single-blind, sham-controlled …
…, M Robbins, S Crook, S Maddel, S Martin, E Portnay… - The Lancet, 2021 - thelancet.com
Background Endovascular renal denervation reduces blood pressure in patients with mild-to-moderate
hypertension, but its efficacy in patients with true resistant hypertension has not …
hypertension, but its efficacy in patients with true resistant hypertension has not …
Effects of renal denervation vs sham in resistant hypertension after medication escalation: prespecified analysis at 6 months of the RADIANCE-HTN TRIO randomized …
…, S Crook, S Maddel, D Hsi, S Martin, E Portnay… - JAMA …, 2022 - jamanetwork.com
Importance Although early trials of endovascular renal denervation (RDN) for patients with
resistant hypertension (RHTN) reported inconsistent results, ultrasound RDN (uRDN) was …
resistant hypertension (RHTN) reported inconsistent results, ultrasound RDN (uRDN) was …