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Salt wasting syndrom

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https://www.readbyqxmd.com/read/29437746/from-renal-salt-wasting-to-siadh
#1
Tzy Harn Chua, Matin Ly, Senthil Thillainadesan, Katie Wynne
Hyponatraemia is common following major head injury and is associated with significant morbidity and mortality. A 20-year-old man presented with reduced consciousness after head trauma and was found to have a fractured skull base with bilateral frontal contusions. On day 3 of his admission, he developed hyponatraemia with raised urine sodium and osmolality, despite receiving dexamethasone and intravenous fluid therapy. His hyponatraemia worsened after the treatment with fluid restriction and oral salt. He was in negative fluid balance suggesting possible renal salt wasting...
February 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29420188/human-3beta-hydroxysteroid-dehydrogenase-deficiency-associated-with-normal-spermatic-numeration-despite-a-severe-enzyme-deficit
#2
Bruno Donadille, Muriel Houang, Irene Netchine, Jean-Pierre Siffroi, Sophie Christin-Maitre
Human 3 beta-hydroxysteroid dehydrogenase deficiency (3b-HSD) is a very rare form of congenital adrenal hyperplasia resulting from HSD3B2 gene mutations. Its estimated prevalence is less than 1/1,000,000 male neonates. It leads to steroidogenesis impairment in both adrenals and gonads. Few data are available on adult testicular function in such patients. Therefore, we evaluated gonadal axis and testicular function in a 46,XY adult patient, carrying a HSD3B2 mutation. The patient presented at birth with neonatal salt wasting syndrome, a micropenis, perineal hypospadias and intrascrotal testes...
February 2, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29395172/postoperative-diabetes-insipidus-and-hyponatremia-in-children-after-transsphenoidal-surgery-for-adrenocorticotropin-hormone-and-growth-hormone-secreting-adenomas
#3
Carolina Saldarriaga, Charlampos Lyssikatos, Elena Belyavskaya, Margaret Keil, Prashant Chittiboina, Ninet Sinaii, Constantine A Stratakis, Maya Lodish
OBJECTIVES: To define the incidence and risk factors of postoperative sodium alterations in pediatric patients undergoing transsphenoidal surgery (TSS) for adrenocorticotropic hormone and growth hormone secreting pituitary adenomas. STUDY DESIGN: We retrospectively reviewed 160 patients ≤18 years of age who had TSS for pituitary adenomas at our institution from 1999 to 2017. Variables included daily serum sodium through postoperative day 10, urine specific gravity, and medications administered...
January 30, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29371419/plasma-potassium-determines-ncc-abundance-in-adult-kidney-specific-%C3%AE-enac-knockout
#4
Emilie Boscardin, Romain Perrier, Chloé Sergi, Marc P Maillard, Johannes Loffing, Dominique Loffing-Cueni, Robert Koesters, Bernard C Rossier, Edith Hummler
The amiloride-sensitive epithelial sodium channel (ENaC) and the thiazide-sensitive sodium chloride cotransporter (NCC) are key regulators of sodium and potassium and colocalize in the late distal convoluted tubule of the kidney. Loss of the αENaC subunit leads to a perinatal lethal phenotype characterized by sodium loss and hyperkalemia resembling the human syndrome pseudohypoaldosteronism type 1 (PHA-I). In adulthood, inducible nephron-specific deletion of αENaC in mice mimics the lethal phenotype observed in neonates, and as in humans, this phenotype is prevented by a high sodium (HNa+)/low potassium (LK+) rescue diet...
January 25, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29162524/the-impact-of-aneurysm-location-on-incidence-and-etiology-of-hyponatremia-following-subarachnoid-hemorrhage
#5
Haydn Hoffman, Robert Ziechmann, Grahame Gould, Lawrence S Chin
BACKGROUND: Hyponatremia is the most common electrolyte abnormality in patients with aneurysmal subarachnoid hemorrhage (aSAH). The syndrome of inappropriate antidiuretic hormone secretion (SIADH) and cerebral salt wasting (CSW) are the most common etiologies. Whether or not the location of the ruptured aneurysm is associated with the etiology of hyponatremia is unknown. We sought to determine whether or not the incidence of SIADH and CSW after aSAH differ based on aneurysm location. METHODS: A retrospective analysis of 335 consecutive patients who presented with aSAH at a single institution was performed...
November 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29152280/mycoplasma-pneumoniae-associated-encephalitis-complicated-by-cerebral-salt-wasting-syndrome
#6
Ya-Lan Lin, Kun-Long Hung, Chiao-Wei Lo
Cerebral salt wasting syndrome can occur in children with encephalitis. Clinicians should be aware of hyponatremia in patients who develop polyuria with the signs of dehydration and deteriorated consciousness. Furthermore, patients who present with status epilepticus or who are suspected to have high intracranial pressure may have an increased risk of cerebral salt wasting syndrome.
November 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29127765/high-aldosterone-and-cortisol-levels-in-salt-wasting-congenital-adrenal-hyperplasia-a-clinical-conundrum
#7
Sirisha Kusuma Boddu, Sheeja Madhavan
BACKGROUND: Salt wasting syndrome (hyponatremia, hyperkalemia, dehydration, metabolic acidosis) in early infancy could be caused by either mineralocorticoid deficiency as in congenital adrenal hyperplasia (CAH) and adrenal insufficiency or mineralocorticoid resistance as in pseudohypoaldosteronism (PHA). In salt wasting CAH, serum aldosterone and cortisol levels are expected to be low. Cross reactivity between high levels of adrenal steroid precursors and aldosterone has recently been reported resulting in elevated aldosterone levels in CAH, leading to difficulty in differentiating between CAH and PHA...
November 11, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29092859/urinary-bladder-hypertrophy-is-susceptible-in-male-but-protected-in-female-romk-bartter-s-mouse
#8
Jun-Mo Kim, Shuhua Xu, Xiaoyun Guo, Haiyan Hu, Ke Dong, Tong Wang
The renal outer medullary potassium channel (ROMK; Kir1.1) plays an important role in Na(+) and K(+) homeostasis. ROMK knockout mice (KO) show a similar phenotype to Bartter's syndrome of salt wasting and dehydration due to reduced Na-2Cl-K-cotransporter activity but not in ROMK1 KO. ROMK KO mice also show hydronephrosis; however, the mechanism of this phenotype has not been understood. We have previously demonstrated a gender-sex difference in hydronephrosis and PGE2 production in ROMK KO mouse. In this study we compared the gender-sex difference in bladder hypertrophy and hydronephrosis in ROMK KO mice...
November 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29078838/cerebral-salt-wasting-syndrome-diagnosis-by-urine-sodium-excretion
#9
Allen I Arieff, Ramin Gabbai, Ira D Goldfine
BACKGROUND: Cerebral salt-wasting syndrome (CSWS) was initially described over 60 years ago in hyponatremic patients with a cerebral lesion. However, the diagnostic criteria for CSWS have not been fully established. Thus, when hyponatremia is observed in patients with CSWS, they may be misdiagnosed as having the syndrome of inappropriate secretion of antidiuretic hormone (SIADH). Thus, it is critical to differentiate between these 2 conditions because their treatments are diametrically opposed...
October 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28979772/late-onset-bartter-syndrome-type-ii
#10
Benjamin Gollasch, Yoland-Marie Anistan, Sima Canaan-Kühl, Maik Gollasch
Mutations in the ROMK1 potassium channel gene (KCNJ1) cause antenatal/neonatal Bartter syndrome type II (aBS II), a renal disorder that begins in utero, accounting for the polyhydramnios and premature delivery that is typical in affected infants, who develop massive renal salt wasting, hypokalaemic metabolic alkalosis, secondary hyperreninaemic hyperaldosteronism, hypercalciuria and nephrocalcinosis. This BS type is believed to represent a disorder of the infancy, but not in adulthood. We herein describe a female patient with a remarkably late-onset and mild clinical manifestation of BS II with compound heterozygous KCNJ1 missense mutations, consisting of a novel c...
October 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28932182/concurrence-of-inappropriate-antidiuretic-hormone-secretion-and-cerebral-salt-wasting-syndromes-after-traumatic-brain-injury
#11
Bo Shen, Lin Li, Ting Li
Syndrome of inappropriate antidiuretic hormone (SIADH) and cerebral salt wasting syndrome (CSWS) as the two most common neuroendocrine diseases, have been recognized and understood by many neurologists. Although SIADH and CSWS are the common causes of central hyponatremia after traumatic brain injury (TBI), a few cases are mixed, with the coexistence of the two pathological pathomechanism. However, the mixed type of both SIADH and CSWS has not been clearly reported in any literature. Here, we present the first description of the concurrent syndrome of SIADH and CSWS after TBI in four patients who underwent standard diagnostic procedures, treatment and follow up...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28931575/case-report-of-clitoral-hypertrophy-in-2-extremely-premature-girls-with-an-ovarian-cyst
#12
Anne-Laure Nerré, Pierre Bétrémieux, Sylvie Nivot-Adamiak
Neonatal clitoromegaly is mainly attributed to in utero androgen exposure secondary to congenital adrenal hyperplasia. We report on 2 extremely premature girls with clitoromegaly, increased androgen levels, no salt wasting syndrome, and ovarian cyst. In case 1, the cyst liquid was aspired during ovarian hernia surgery and revealed high androgen levels. After aspiration, serum androgen levels decreased, as did clitoral size. In case 2, an ovarian cyst was seen on pelvic ultrasound. Aspiration was not indicated...
October 2017: Pediatrics
https://www.readbyqxmd.com/read/28913489/cerebral-salt-wasting-syndrome-in-patients-with-minor-head-trauma-two-case-reports
#13
Gabriela Csipak, Natalia Hagau
We describe two polytrauma patients without severe head trauma who developed Cerebral Salt Wasting Syndrome (CSWS) during their stay in our ICU with natriuresis, hyponatremia and hypovolemia. Hyponatremia encountered in CSWS and the syndrome of inadequate antidiuretic hormone secretion (SIADH) is a common electrolyte finding in patients with severe head trauma, subarachnoid hemorrhage, malignancy and infections of the central nervous system. CSWS was an unexpected electrolyte finding in our patients with minor head trauma without neurological or neurosurgical problems...
October 2016: Romanian Journal of Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28717082/post-cytokine-release-salt-wasting-as-inverse-tumor-lysis-syndrome-in-a-non-cerebral-natural-killer-cell-neoplasm
#14
Hirotsugu Ariizumi, Yosuke Sasaki, Hiroshi Harada, Yui Uto, Remi Azuma, Tomohide Isobe, Koji Kishimoto, Eisuke Shiozawa, Masafumi Takimoto, Nobuyuki Ohike, Hiraku Mori
The pathogenesis of cerebral/renal salt-wasting syndrome remains unknown. We herein present a case of salt-wasting syndrome with a natural killer-cell neoplasm without cerebral invasion. A 78-year-old man with hemophagocytic syndrome received two cycles of chemotherapy that did not induce tumor lysis syndrome, but repeatedly caused polyuria and natriuresis. The expression of tumor necrosis factor-α in the neoplasm led us to hypothesize that an oncolysis-induced cytokine storm may have caused renal tubular damage and salt wasting...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28573057/cisplatin-induced-renal-salt-wasting-requiring-over-12-liters-of-3-saline-replacement
#15
Phuong-Chi Pham, Pavani Reddy, Shaker Qaqish, Ashvin Kamath, Johana Rodriguez, David Bolos, Martina Zalom, Phuong-Thu Pham
Cisplatin is known to induce Fanconi syndrome and renal salt wasting (RSW). RSW typically only requires transient normal saline (NS) support. We report a severe RSW case that required 12 liters of 3% saline. A 57-year-old woman with limited stage small cell cancer was admitted for cisplatin (80 mg/m2) and etoposide (100 mg/m2) therapy. Patient's serum sodium (SNa) decreased from 138 to 133 and 125 mEq/L within 24 and 48 hours of cisplatin therapy, respectively. A diagnosis of syndrome of inappropriate antidiuretic hormone secretion (SIADH) was initially made...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/28557682/an-infant-presenting-with-failure-to-thrive-and-hyperkalaemia-owing-to-transient-pseudohypoaldosteronism-case-report
#16
Marieke De Clerck, Johan Vande Walle, Evelyn Dhont, Joke Dehoorne, Werner Keenswijk
A 3-month-old boy presented with failure to thrive and a history of a prenatally detected unilateral hydroureteronephrosis which was confirmed after birth. His growth and developmental milestones had been normal during the first 2 months but in the third month his appetite was poor with reduced intake but no vomiting. At presentation, his temperature was normal, there was mild dehydration and there was weight loss (his weight had decreased by 270 g in the past month). Haemoglobin was 11.9 g/dL, total white cell count 20...
May 30, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28555110/reduced-membrane-insertion-of-clc-k-by-v33l-barttin-results-in-loss-of-hearing-but-leaves-kidney-function-intact
#17
Hua Tan, Stefanie Bungert-Plümke, Christoph Fahlke, Gabriel Stölting
In the mammalian ear, transduction of sound stimuli is initiated by K(+) entry through mechano-sensitive channels into inner hair cells. K(+) entry is driven by a positive endocochlear potential that is maintained by the marginal cell layer of the stria vascularis. This process requires basolateral K(+) import by NKCC1 Na(+)-2Cl(-)-K(+) co-transporters as well as Cl(-) efflux through ClC-Ka/barttin or ClC-Kb/barttin channels. Multiple mutations in the gene encoding the obligatory CLC-K subunit barttin, BSND, have been identified in patients with Bartter syndrome type IV...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28478813/exophytic-bulbar-pilocytic-astrocytoma-and-post-operative-cerebral-salt-wasting-syndrome
#18
P O Champagne, A Sajadi, C Huot, M Traistaru, C Mercier, A G Weil, L Crevier
Cerebral salt wasting syndrome (CSWS) is a well-described consequence of several neurological disorders. Although the exact etiology of CSWS is still not completely elucidated, it is believed that the hypothalamus plays a pivotal role in the genesis of this disorder. We report for the first time 3 cases of CSWS occurring during the post-operative course following surgical resection of exophytic bulbar pilocytic astrocytomas in children. Since these 3 cases shared in common a medial implication of the medulla, we suggest that specific interconnectivity between the dorso-medial portion of the medulla oblongata and the hypothalamus might thus represent an anatomical pathway of interest in the pathogenesis of CSWS...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28476513/animal-models-of-cachexia-and-sarcopenia-in-chronic-illness-cardiac-function-body-composition-changes-and-therapeutic-results
#19
REVIEW
Junichi Ishida, Masakazu Saitoh, Wolfram Doehner, Stephan von Haehling, Markus Anker, Stefan D Anker, Jochen Springer
Cachexia is defined as a complex metabolic syndrome associated with underlying illness that is characterized by the loss of body weight consisting of muscle and fat mass wasting. Sarcopenia is defined as the ageing related loss of muscle mass in health and disease that may not have an effect on body weight. As millions of patients are in cachectic or sarcopenic states, both conditions contribute to high numbers to death worldwide. A number of treatments have been proposed for cachexia and sarcopenia, but these are either in the preclinical stage or in clinical trials and hence not available to the general population...
April 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28458890/cerebral-salt-wasting-following-traumatic-brain-injury
#20
Peter Taylor, Sasan Dehbozorgi, Arshiya Tabasum, Anna Scholz, Harsh Bhatt, Philippa Stewart, Pranav Kumar, Mohd S Draman, Alastair Watt, Aled Rees, Caroline Hayhurst, Stephen Davies
SUMMARY: Hyponatraemia is the most commonly encountered electrolyte disturbance in neurological high dependency and intensive care units. Cerebral salt wasting (CSW) is the most elusive and challenging of the causes of hyponatraemia, and it is vital to distinguish it from the more familiar syndrome of inappropriate antidiuretic hormone (SIADH). Managing CSW requires correction of the intravascular volume depletion and hyponatraemia, as well as mitigation of on-going substantial sodium losses...
2017: Endocrinology, Diabetes & Metabolism Case Reports
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