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Plasma-Free Metanephrine and Normetanephrine Quantification for Clinical Applications Validated by Combining Solid-Phase Extraction and HPLC-MS/MS [PDF]

open access: greenMolecules
Plasma-free metanephrines are the most sensitive and specific biochemical markers for diagnosing catecholamine-secreting tumors, such as pheochromocytoma and paraganglioma.
Hyebin Choi   +8 more
doaj   +4 more sources

Reevaluating the use of metanephrine in adrenal vein sampling: a single centre retrospective study [PDF]

open access: yesEndocrine Connections
Optimal treatment of primary aldosteronism (PA) requires precise subtyping, usually performed by adrenal vein sampling (AVS) using cortisol to assess selectivity.
Hanna Remde   +10 more
doaj   +2 more sources

Metanephrine and Normetanephrine Urine Excretion in Patients with PCOS [PDF]

open access: diamondActa Medica Bulgarica, 2022
Aims: The present study aims to investigate the association between catecholamine metabolites (normetanephrine [NMN] and metanephrine [MN]) and polycystic ovarian syndrome (PCOS) and its clinical manifestations.
Robeva R.   +4 more
doaj   +2 more sources

Optimized procedures for testing plasma metanephrines in patients on hemodialysis [PDF]

open access: goldScientific Reports, 2021
Diagnosis of pheochromocytomas and paragangliomas in patients receiving hemodialysis is troublesome. The aim of the study was to establish optimal conditions for blood sampling for mass spectrometric measurements of normetanephrine, metanephrine and 3 ...
Christina Pamporaki   +16 more
doaj   +2 more sources

Construction and validation of a multimodal predictive model incorporating catecholamines and uric acid for early detection of hypertensive organ damage [PDF]

open access: yesFrontiers in Endocrinology
ObjectiveTo investigate the feasibility and clinical value of constructing a predictive model for early detection of organ damage in hypertensive patients based on catecholamine-related indicators (norepinephrine, normetanephrine, and metanephrine ...
Menglin Wang, Haiying Zhao, Dongyu Li
doaj   +2 more sources

Plasma Metanephrines in the Diagnosis of Pheochromocytoma

open access: bronzeAnnals of Internal Medicine, 1996
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Jacques W.M. Lenders   +2 more
  +9 more sources

Urine-normetanephrine, a predictor of mortality risk in patients with adrenal adenomas [PDF]

open access: yesScientific Reports
Urine-metanephrines are used in the screening for pheochromocytomas in patients with adrenal incidentalomas, but their potential as markers for mortality in patients with adrenal adenomas has not been studied. A retrospective cohort study was designed to
Albin Kjellbom   +4 more
doaj   +2 more sources

Measuring of metanephrine by UV-Vis peak of surface absorption Plasmon resonance of silver nanoparticles by response surface methodology [PDF]

open access: yesشیمی کاربردی روز, 2021
A simple and low-cost spectrophotometry method was proposed based on resonance Plasmon peak of silver nanoparticles for measurement of metanephrine(MN) drug. This method was based on reducing property of metanephrine and it was founded that this compound
Ehsan Sotoodeh   +2 more
doaj   +1 more source

Urinary Free Metanephrines for Diagnosis of Pheochromocytoma and Paraganglioma [PDF]

open access: yesEndocrinology and Metabolism, 2021
Background Pheochromocytoma and paraganglioma (PPGL) is diagnosed through biochemical confirmation of excessive catecholamines in urine and plasma. Recent technological developments have allowed us to measure urinary free metanephrines; however, the ...
Jiyeon Ahn   +6 more
doaj   +1 more source

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