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Hyperaldosteronism

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https://www.readbyqxmd.com/read/28447626/familial-hyperaldosteronism-type-iii
#1
REVIEW
S Monticone, M Tetti, J Burrello, F Buffolo, R De Giovanni, F Veglio, T A Williams, P Mulatero
Primary aldosteronism is the most common form of endocrine hypertension. This disorder comprises both sporadic and familial forms. Four familial forms of primary aldosteronism (FH-I to FH-IV) have been described. FH-III is caused by germline mutations in KCNJ5, encoding the potassium channel Kir3.4 (also called GIRK4). These mutations alter the selectivity filter of the channel and lead to abnormal ion currents with loss of potassium selectivity, sodium influx and consequent increased intracellular calcium that causes excessive aldosterone biosynthesis...
April 27, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28446151/novel-mutation-in-the-slc12a3-gene-in-a-sri-lankan-family-with-gitelman-syndrome-coexistent-diabetes-a-case-report
#2
Chandrika Jayakanthi Subasinghe, Nirmala Dushyanthi Sirisena, Chula Herath, Knut Erik Berge, Trond Paul Leren, Uditha Bulugahapitiya, Vajira Harshadeva Weerabaddana Dissanayake
BACKGROUND: Gitelman syndrome (GS) is a rare autosomal recessively inherited salt-wasting tubulopathy associated with mutations in the SLC12A3 gene, which encodes for NaCl cotransporter (NCC) in the kidney. CASE PRESENTATION: In this report, we describe two siblings from a Sri Lankan non-consanguineous family presenting with hypokalaemia associated with renal potassium wasting, hypomagnesemia, hypocalciuria and hypereninemic hyperaldosteronism with normal blood pressure...
April 26, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28433046/-the-risks-of-retroperitoneoscopic-adrenalectomy
#3
P Zonča, M Peteja, P Vávra, V Richter, P Ostruszka
INTRODUCTION: Minimally invasive adrenalectomy has become the gold standard for surgery of the suprarenal gland. Retroperitoneoscopic adrenalectomy with dorsal approach is preferred. The aim of our case report is to discuss potential complications that may arise from retroperitoneoscopic adrenalectomy, specifically an intra-operative injury of the inferior vena cava. CASE REPORT: A 47-year-old male patient was admitted to undergo elective adrenalectomy on the right side...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28388725/histopathological-classification-of-cross-sectional-image-negative-hyperaldosteronism
#4
Yuto Yamazaki, Yasuhiro Nakamura, Kei Omata, Kazue Ise, Yuta Tezuka, Yoshikiyo Ono, Ryo Morimoto, Yukinaga Nozawa, Celso E Gomez-Sanchez, Scott A Tomlins, William E Rainey, Sadayoshi Ito, Fumitoshi Satoh, Hironobu Sasano
Context: Approximately half of patients with primary aldosteronism (PA) have clinically evident disease according to clinical (hypertension) and/or laboratory (aldosterone and renin levels) findings but do not have nodules detectable in routine cross-sectional imaging. However, the detailed histopathologic, steroidogenic, and pathobiological features of cross-sectional image-negative PA are controversial. Objective: To examine histopathology, steroidogenic enzyme expression, and aldosterone-driver gene somatic mutation status in cross-sectional image-negative hyperaldosteronism...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28377333/prenatal-diagnosis-of-bartter-syndrome-amniotic-fluid-aldosterone
#5
Myriam Rachid, Sophie Dreux, Gauthier Pean de Ponfilly, Rosa Vargas-Poussou, Isabelle Czerkiewicz, Didier Chevenne, Jean-François Oury, Georges Deschênes, Françoise Muller
Bartter syndrome is a severe inherited tubulopathy characterized at birth by salt wasting, severe polyuria, dehydration, growth retardation and secondary hyperaldosteronism. Prenatally, the disease is usually discovered following onset of severe polyhydramnios. We studied amniotic fluid aldosterone concentration in cases of Bartter syndrome and in control groups. Amniotic fluid aldosterone was assayed by radioimmunoassay. We undertook a retrospective case-control study based on 36 cases of postnatally diagnosed Bartter syndrome and 144 controls matched for gestational age...
April 1, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/28332877/pentraxin-3-as-a-new-cardiovascular-marker-in-adrenal-adenomas
#6
Muhammed Kizilgul, Selvihan Beysel, Ozgur Ozcelik, Seyfullah Kan, Mahmut Apaydin, Mustafa Caliskan, Bekir Ucan, Erkam Sencar, Seyda Ozdemir, Erman Cakal
BACKGROUND: Pentraxin 3 (PTX3) is an acute-phase glycoprotein, which is increased in patients with cardiovascular disease (CVD) and considered as a predictor of CVD in the general population. Both functional and nonfunctional adrenal tumors are associated with a higher risk of cardiovascular events and mortality. We aimed to investigate plasma PTX3 levels in patients with functioning and nonfunctioning adrenal tumors and to determine its relationship with cardiovascular risk factors. MATERIAL AND METHODS: Twenty-one patients with functional adrenal tumors (11 pheochromocytomas, 9 Cushing's Syndrome and 1 primary hyperaldosteronism), 28 patients with non-functional adrenal incidentilomas, and 40 healthy controls were enrolled in the study...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28321294/renin-angiotensin-aldosterone-system-altered-in-resistant-hypertension-in-sub-saharan-african-diabetes-patients-without-evidence-of-primary-hyperaldosteronism
#7
Bertille Elodie Edinga-Melenge, Vicky J Ama Moor, Jobert Richie N Nansseu, Romance Nguetse Djoumessi, Michel K Mengnjo, Jean-Claude Katte, Jean Jacques N Noubiap, Eugene Sobngwi
BACKGROUND: The renin-angiotensin-aldosterone system may be altered in patients with resistant hypertension. This study aimed to evaluate the relation between renin-angiotensin-aldosterone system activity and resistant hypertension in Cameroonian diabetes patients with resistant hypertension. METHODS: We carried out a case-control study including 19 diabetes patients with resistant hypertension and 19 diabetes patients with controlled hypertension matched to cases according to age, sex and duration of hypertension since diagnosis...
January 2017: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/28302238/gitelman-syndrome
#8
Qurat Ul Ain Mustafa, Zujaja Hina Haroon, Aamir Ijaz, Muhammad Tanveer Sajid, Muhammad Ayyub
Gitelman syndrome (GS) is the most frequently inherited renal salt-wasting tubulointerstitial disease. It follows variable but usually asymptomatic benign course. We present a rare case of GS that remained clinical enigma. A 22-year male presented with severe episodic fatigue involving all limbs associated with episodes of sinking, palpitations, salt craving, increased thirst and frequent micturition hampering his routine daily activities. Laboratory workup revealed serum potassium, 2.7 mmol/L, serum magnesium, 0...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28289910/acid-base-disturbances-in-nephrotic-syndrome-analysis-using-the-co2-hco3-method-traditional-boston-model-and-the-physicochemical-method-stewart-model
#9
Tomomichi Kasagi, Hirokazu Imai, Naoto Miura, Keisuke Suzuki, Masabumi Yoshino, Hironobu Nobata, Takuhito Nagai, Shogo Banno
BACKGROUND: The Stewart model for analyzing acid-base disturbances emphasizes serum albumin levels, which are ignored in the traditional Boston model. We compared data derived using the Stewart model to those using the Boston model in patients with nephrotic syndrome. METHODS: Twenty-nine patients with nephrotic syndrome and six patients without urinary protein or acid-base disturbances provided blood and urine samples for analysis that included routine biochemical and arterial blood gas tests, plasma renin activity, and aldosterone...
March 13, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28289181/hypokalemia-and-pendrin-induction-by-aldosterone
#10
Ning Xu, Daigoro Hirohama, Kenichi Ishizawa, Wen Xiu Chang, Tatsuo Shimosawa, Toshiro Fujita, Shunya Uchida, Shigeru Shibata
Aldosterone plays an important role in regulating Na-Cl reabsorption and blood pressure. Epithelial Na(+) channel, Na(+)-Cl(-) cotransporter, and Cl(-)/HCO3(-) exchanger pendrin are the major mediators of Na-Cl transport in the aldosterone-sensitive distal nephron. Existing evidence also suggests that plasma K(+) concentration affects renal Na-Cl handling. In this study, we posited that hypokalemia modulates the effects of aldosterone on pendrin in hyperaldosteronism. Chronic aldosterone infusion in mice increased pendrin levels at the plasma membrane, and correcting hypokalemia in this model almost completely blocked pendrin upregulation...
May 2017: Hypertension
https://www.readbyqxmd.com/read/28272757/aldosterone-activates-the-oncogenic-signals-erk1-2-and-stat3-via-redox-regulated-mechanisms
#11
Nina Queisser, Nicole Schupp, Eva Schwarz, Christina Hartmann, Gerardo G Mackenzie, Patricia I Oteiza
Epidemiological studies found an increased risk for kidney cancer in hypertensive patients, of which a subgroup has high aldosterone (Ald) levels. We recently showed that Ald is genotoxic both in kidney tubular cells and in rats with mineralocorticoid-mediated hypertension. The present work investigated in vitro and in vivo, if the oxidative stress-mediated activation of the ERK1/2 pathway, and its downstream target STAT3, could be one mechanism involved in the potential oncogenic capability of excess Ald exposure...
March 8, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28264920/arterial-hypertension-atrial-fibrillation-and-hyperaldosteronism-the-triple-trouble
#12
REVIEW
Teresa M Seccia, Brasilina Caroccia, Gail K Adler, Giuseppe Maiolino, Maurizio Cesari, Gian Paolo Rossi
No abstract text is available yet for this article.
April 2017: Hypertension
https://www.readbyqxmd.com/read/28259701/-long-term-blood-pressure-outcome-after-unilateral-adrenalectomy-for-primary-hyperaldosteronism
#13
F Saint, R Prader, C Cordonnier, G Choukroun, N Elesper, R Desailloud
OBJECTIVES: To evaluate long-term results of adrenalectomy for primary aldosteronism (PA) and to identify prognostic factors associated. METHODS: Exhaustive retrospective review of all consecutive patients undergoing adrenalectomy for PA between 2002 and 2013 in our department. All patients underwent preoperative: clinical evaluation (age, sex, height, weight, systolic and diastolic BP under treatment, identification of anti-hypertension treatment), biological evaluation (potassium, renin, aldosterone) and radiological evaluation (CT and/or MRI)...
March 1, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28248752/radiofrequency-ablation-treatment-for-aldosterone-producing-adenomas
#14
Barry A Sacks, Ari C Sacks, Salomao Faintuch
PURPOSE OF REVIEW: To review the current status of radiofrequency ablation as a primary treatment for hyperfunctioning adrenal nodules, predominantly aldosterone-producing adenomas (APAs). RECENT FINDINGS: Radiofrequency ablation is an established treatment for focal benign and malignant lesions, including metastatic disease to the adrenal gland. Hyperaldosteronism is the leading cause of secondary hypertension with up to 80% due to APA, statistically the most common functioning adrenal nodule...
February 28, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28228887/transarterial-embolization-of-a-hyperfunctioning-aldosteronoma-in-a-patient-with-bilateral-adrenal-nodules
#15
Jason T Salsamendi, Francisco J Gortes, Alejandro R Ayala, Juan D Palacios, Sanjit Tewari, Govindarajan Narayanan
Primary hyperaldosteronism often results in resistant hypertension and hypokalemia, which may lead to cardiovascular and cerebrovascular complications. Although surgery is first line treatment for unilateral functioning aldosteronomas, minimally invasive therapies may be first line for certain patients such as those who cannot tolerate surgery. We present a case of transarterial embolization (TAE) of an aldosteronoma. The patient presented with a cerebrovascular accident, and subsequently developed uncontrolled hypertension, hypokalemia, and a myocardial infarction...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28224279/np-59-test-for-preoperative-localization-of-primary-hyperaldosteronism
#16
Marcello Di Martino, Iñigo García Sanz, Jose Luis Muñoz de Nova, Cristina Marín Campos, Miguel Martínez Martín, Luis Domínguez Gadea
PURPOSE: Adrenal venous sampling is generally considered the gold standard to identify unilateral hormone production in cases of primary hyperaldosteronism. The aim of this study is to evaluate whether the iodine-131-6-β-iodomethyl-19-norcholesterol (NP-59) test may represent an alternative in selected cases. METHODS: Patients submitted to laparoscopic adrenalectomy for suspected primary hyperaldosteronism (n = 27) were retrospectively reviewed. When nuclear medicine tests were preoperatively performed, their results were compared with the histopathologic findings and clinical improvement...
March 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28211216/low-dose-eplerenone-treatment-decreases-aortic-stiffness-in-patients-with-resistant-hypertension
#17
Tatjana Kalizki, Bernhard M W Schmidt, Ulrike Raff, Annemarie Reinold, Thomas K Schwarz, Markus P Schneider, Roland E Schmieder, Andreas Schneider
Vascular damage is aggravated in animal models of hypertension with mineralocorticoid (MR) excess and in hypertensive patients with primary hyperaldosteronism. MR antagonism has shown to provide effective blood pressure (BP)-control in patients with treatment resistant hypertension (TRH), but the concurrent effects on the vasculature have not been examined. In a randomized, double-blinded, placebo-controlled parallel-group study, 51 patients with TRH received either eplerenone 50 mg or placebo for 6 months together with additional antihypertensives titrated to achieve a BP target of <140/90 mm Hg...
February 17, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28111697/assessment-of-the-aldosteronona-resolution-score-as-a-predictive-resolution-score-of-hypertension-after-adrenalectomy-for-aldosteronoma-in-french-patients
#18
Ludwig Pasquier, Medhi Kirouani, Florian Fanget, Claire Nomine, Cécile Caillard, Vincent Arnault, Jean-Baptiste Finel, Niki Christou, Muriel Mathonnet, Christophe Trésallet, Antoine Hamy, Loïc de Calan, Laurent Brunaud, Fabrice Menegaux, Jean Christophe Lifante, Jean Benoit Hardouin, Delphine Drui, Éric Mirallié, Claire Blanchard
PURPOSE: Aldosteronoma Resolution Score (ARS) is a predictive score for cure of hypertension after adrenalectomy for hyperaldosteronism and has been validated in American patients. The aim of the study was to validate this score in a French population. METHOD: Data concerning patients operated from 2002 to 2015 in 7 French University Hospitals were retrospectively collected. Diagnosis of Aldosterone-producing adenoma (APA) was confirmed with clinical and biochemical hyperaldosteronism and adrenal nodule on CT scan...
March 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28099220/evacetrapib-another-cetp-inhibitor-for-dyslipidemia-with-no-clinical-benefit
#19
REVIEW
Vaughn A Eyvazian, William H Frishman
Evacetrapib is a cholesteryl ester transfer protein (CETP) inhibitor that has been recently studied as a cholesterol modifying agent to reduce cardiovascular risk and mortality in high risk cardiovascular disease patients. Evacetrapib acts to decrease lipid exchange through CETP inhibition. CETP acts to transfer cholesteryl esters from high-density lipoprotein-cholesterol (HDL-C) to low-density lipoprotein cholesterol (LDL-C) and very-low-density lipoprotein (VLDL-C). HDL-C is involved in reverse cholesterol transport and its blood levels have been shown to be inversely correlated with cardiovascular risk...
March 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28041953/synthetic-approaches-towards-the-multi-target-drug-spironolactone-and-its-potent-analogues-derivatives
#20
REVIEW
Fayaz Ali Larik, Aamer Saeed, Danish Shahzad, Muhammad Faisal, Hesham El-Seedi, Haroon Mehfooz, Pervaiz Ali Channar
Spironolactone is a well-known multi-target drug and is specifically used for the treatment of high blood pressure and heart failure. It is also used for the treatment of edema, cirrhosis of the liver, malignant, pediatric, nephrosis and primary hyperaldosteronism. Spironolactone in association with thiazide diuretics treats hypertension and in association with furosemide treats bronchopulmonary dyspepsia. The therapeutic mechanism of action of spironolactone involves binding to intracellular mineralocorticoids receptors (MRs) in kidney epithelial cells, thereby inhibiting the binding of aldosterone...
December 29, 2016: Steroids
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