Endocrine Abstracts

Introduction: Hypoaldosteronism can be induced by a deficit of aldosterone production (AldDef) or a mineralocorticoid resistance (MinRes). Experts have proposed to use hyperkalemia-based aldosterone values for this purpose. However, there is no a range of aldosterone values indicating one of this type of hypoaldosteronism. In 2008, Adam W. R.1 hypothesized that the factored aldosterone (FAldo) could be useful differentiating hypoaldosteronism secondary to MinRes fro...

Background: Acute intermittent porphyria (AIP) is an inherited autosomal dominant disorder characterized by hepatic deficiency of hydroxymethylbilane synthase (HMBS)/porphobilinogen deaminase (PBGD), the third enzyme of the heme synthesis pathway. Hyponatremia is one of the main presenting symptoms and it is thought to be related to an inadequate secretion of ADH (SIADH). Since AIP is an uncommon disease, there is little information about how AIP related hyponatremia responds ...

Introduction: Differentiation between Cushing’s disease (CD) and ectopic Cushing’s syndrome (ECS) remains a diagnostic challenge. Currently available tests lack sufficient sensitivity and specificity or are invasive and technically difficult. Recently, an ACTH-UFC index has been proposed to differentiate the two forms of ACTH dependent Cushing’s syndrome (CS) (Ding, 2021). This work aimed to confirm the diagnostic utility of the ACTH-UFC index to differentiate C...

Introduction: Hyponatremia is the most frequent electrolyte disorder found in clinical practice, and has been associated with increased morbimortalty. Hyponatremia is even more common among patients receiving parenteral nutricion(PN), a therapy increasingly in use. However, the morbimortality of hyponatremic patients on PN is unknown.Methods: Retrospective study, selecting all patients receiving PN in a teaching hospital from 01/11/11 to 01/06/12. We eva...

Introduction: In a majority of Spanish hospitals, serum sodium levels (SNa) are determined by indirect electrode methodology (sodium in the liquid fraction of serum) divided by the total serum volume (mmol/l). To avoid over/underestimating SNa, a formula can be applied: SNa corrected for total proteins (TP)=SNa×93 divided by (99.1−(0.7×TP)). Hypoproteinaemia is frequent in patients receiving parenteral nutrition (PN), and is probably related to surgery, acute d...

Introduction: Hyponatremia is the most frequent electrolyte alteration in hospitalized patients, and is associated with increased morbimortality. Hyponatremia in patients receiving parenteral nutrition (PN) is generally overlooked. Our objective was to classify the types of hyponatremia observed in patients on PN, and to describe the prescribed treatments and evolution.Material and methods: We undertook a prospective study of all patients on medical ward...

IntroductionThe pandemic has altered the day-to-day running of hospitals and most of the material and human resources have been made available for COVID-19 care. So have the residents in Endocrinology and Nutrition (MIR), who have been working on the front line, and this has led to alterations in their training programme. In addition, this unexpected and stressful work situation has had psychological consequences. The Spanish Society of Endocrinology and...