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Boot C. The laboratory investigation of diabetes insipidus: A review. Ann Clin Biochem 2024; 61:19-31. [PMID: 36650746 DOI: 10.1177/00045632231154391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Diabetes insipidus (DI) is a group of disorders that lead to inappropriate production of large volumes of dilute urine. The three main forms are central DI (CDI), nephrogenic DI (NDI) and primary polydipsia (PP). Differentiating CDI/NDI from PP is important as patients with true DI are at risk of severe dehydration without treatment. Biochemical testing is key in the diagnosis of DI. The indirect water deprivation test (WDT) is commonly used in the investigation of DI but has drawbacks including being cumbersome and sometimes producing equivocal results. Direct measurement of AVP has theoretical advantages but has generally only been used in specialist centres. Disadvantages include the requirement to measure AVP under hypertonic stimulation and pre-analytical/analytical challenges. Copeptin (CT-proAVP) is a proxy marker for AVP that is more stable, easier to measure and has been studied more widely in recent years. Historically, the evidence supporting the diagnostic performance of these tests has been relatively poor, being based on a few small, usually single-centre studies. However more recent, well-designed prospective studies are improving the evidence base for investigation of DI. These studies have focused on the utility of copeptin measurements during stimulation tests. There is evidence that measurement of copeptin under stimulation offers improved diagnostic performance compared to the WDT. There is currently a lack of systematic, evidence-based guidelines on the diagnosis of DI, but as the quality of the evidence defining the diagnostic performance of tests for DI continues to improve, a clearer consensus on the optimal approach should become achievable.
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Affiliation(s)
- Christopher Boot
- Blood Sciences, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
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Hansen-Estruch C, Bikhet MH, Javed M, Katsurada A, Satou R, Shao W, Ayares D, Venkataramanan R, Cooper DKC, Judd E, Navar LG. Renin-angiotensin-aldosterone system function in the pig-to-baboon kidney xenotransplantation model. Am J Transplant 2023; 23:353-365. [PMID: 36695679 PMCID: PMC10124771 DOI: 10.1016/j.ajt.2022.11.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 10/31/2022] [Accepted: 11/22/2022] [Indexed: 01/07/2023]
Abstract
After pig-to-baboon kidney transplantation, episodes of hypovolemia and hypotension from an unexplained mechanism have been reported. This study evaluated the renin-angiotensin-aldosterone system post-kidney xenotransplantation. Kidneys from genetically-engineered pigs were transplanted into 5 immunosuppressed baboons after the excision of the native kidneys. Immunosuppressive therapy was based on the blockade of the CD40/CD154 costimulation pathway. Plasma renin, angiotensinogen (AGT), angiotensin II (Ang II), aldosterone levels, and urine osmolality and electrolytes were measured in healthy pigs, healthy nonimmunosuppressed baboons, and immunosuppressed baboons with life-supporting pig kidney grafts. After pig kidney transplantation, plasma renin and Ang II levels were not significantly different, although Ang II trended lower, even though plasma AGT and potassium were increased. Plasma aldosterone levels were unchanged. Urine osmolality and sodium concentration were decreased. Even in the presence of increasing AGT and potassium levels, lower plasma Ang II concentrations may be because of reduced, albeit not absent, the reactivity of pig renin to cleave baboon AGT, suggesting an impaired response of the renin-angiotensin-aldosterone system to hypovolemic and hypotensive episodes. The maintenance of aldosterone may be protective. The reduced urine osmolality and sodium concentration reflect the decreased ability of the pig kidney to concentrate urine. These considerations should not prohibit successful clinical pig kidney xenotransplantation.
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Affiliation(s)
- Christophe Hansen-Estruch
- Department of Surgery, Xenotransplantation Program, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Mohamed H Bikhet
- Department of Surgery, Xenotransplantation Program, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Mariyam Javed
- Department of Surgery, Xenotransplantation Program, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Akemi Katsurada
- Department of Physiology and Hypertension and Renal Center, Tulane University, New Orleans, Louisiana, USA
| | - Ryousuke Satou
- Department of Physiology and Hypertension and Renal Center, Tulane University, New Orleans, Louisiana, USA
| | - Weijian Shao
- Department of Physiology and Hypertension and Renal Center, Tulane University, New Orleans, Louisiana, USA
| | | | - Raman Venkataramanan
- Clinical Pharmacokinetics Laboratory, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, USA
| | - David K C Cooper
- Department of Surgery, Xenotransplantation Program, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Eric Judd
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.
| | - Luis Gabriel Navar
- Department of Physiology and Hypertension and Renal Center, Tulane University, New Orleans, Louisiana, USA
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Nahum U, Refardt J, Chifu I, Fenske WK, Fassnacht M, Szinnai G, Christ-Crain M, Pfister M. Machine learning-based algorithm as an innovative approach for the differentiation between diabetes insipidus and primary polydipsia in clinical practice. Eur J Endocrinol 2022; 187:777-786. [PMID: 36201166 DOI: 10.1530/eje-22-0368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 10/05/2022] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Differentiation between central diabetes insipidus (cDI) and primary polydipsia (PP) remains challenging in clinical practice. Although the hypertonic saline infusion test led to high diagnostic accuracy, it is a laborious test requiring close monitoring of plasma sodium levels. As such, we leverage machine learning (ML) to facilitate differential diagnosis of cDI. DESIGN We analyzed data of 59 patients with cDI and 81 patients with PP from a prospective multicenter study evaluating the hypertonic saline test as new test approach to diagnose cDI. Our primary outcome was the diagnostic accuracy of the ML-based algorithm in differentiating cDI from PP patients. METHODS The data set used included 56 clinical, biochemical, and radiological covariates. We identified a set of five covariates which were crucial for differentiating cDI from PP patients utilizing standard ML methods. We developed ML-based algorithms on the data and validated them with an unseen test data set. RESULTS Urine osmolality, plasma sodium and glucose, known transsphenoidal surgery, or anterior pituitary deficiencies were selected as input parameters for the basic ML-based algorithm. Testing it on an unseen test data set resulted in a high area under the curve (AUC) score of 0.87. A further improvement of the ML-based algorithm was reached with the addition of MRI characteristics and the results of the hypertonic saline infusion test (AUC: 0.93 and 0.98, respectively). CONCLUSION The developed ML-based algorithm facilitated differentiation between cDI and PP patients with high accuracy even if only clinical information and laboratory data were available, thereby possibly avoiding cumbersome clinical tests in the future.
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Affiliation(s)
- Uri Nahum
- Pediatric Pharmacology and Pharmacometrics Research Center, University Children's Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Julie Refardt
- Departments of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Irina Chifu
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg, Germany
| | - Wiebke K Fenske
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University Hospital of Bonn, Bonn, Germany
| | - Martin Fassnacht
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg, Germany
- Central Laboratory, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Gabor Szinnai
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel, University of Basel, Basel, Switzerland
| | - Mirjam Christ-Crain
- Departments of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Marc Pfister
- Pediatric Pharmacology and Pharmacometrics Research Center, University Children's Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
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Tomkins M, Lawless S, Martin-Grace J, Sherlock M, Thompson CJ. Diagnosis and Management of Central Diabetes Insipidus in Adults. J Clin Endocrinol Metab 2022; 107:2701-2715. [PMID: 35771962 PMCID: PMC9516129 DOI: 10.1210/clinem/dgac381] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Indexed: 11/19/2022]
Abstract
Central diabetes insipidus (CDI) is a clinical syndrome which results from loss or impaired function of vasopressinergic neurons in the hypothalamus/posterior pituitary, resulting in impaired synthesis and/or secretion of arginine vasopressin (AVP). AVP deficiency leads to the inability to concentrate urine and excessive renal water losses, resulting in a clinical syndrome of hypotonic polyuria with compensatory thirst. CDI is caused by diverse etiologies, although it typically develops due to neoplastic, traumatic, or autoimmune destruction of AVP-synthesizing/secreting neurons. This review focuses on the diagnosis and management of CDI, providing insights into the physiological disturbances underpinning the syndrome. Recent developments in diagnostic techniques, particularly the development of the copeptin assay, have improved accuracy and acceptability of the diagnostic approach to the hypotonic polyuria syndrome. We discuss the management of CDI with particular emphasis on management of fluid intake and pharmacological replacement of AVP. Specific clinical syndromes such as adipsic diabetes insipidus and diabetes insipidus in pregnancy as well as management of the perioperative patient with diabetes insipidus are also discussed.
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Affiliation(s)
- Maria Tomkins
- Academic Department of Endocrinology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Sarah Lawless
- Academic Department of Endocrinology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Julie Martin-Grace
- Academic Department of Endocrinology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Mark Sherlock
- Academic Department of Endocrinology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Chris J Thompson
- Correspondence: Chris Thompson, Academic Department of Endocrinology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland.
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Moszczyńska E, Kunecka K, Baszyńska-Wilk M, Perek-Polnik M, Majak D, Grajkowska `W. Pituitary Stalk Thickening: Causes and Consequences. The Children's Memorial Health Institute Experience and Literature Review. Front Endocrinol (Lausanne) 2022; 13:868558. [PMID: 35669693 PMCID: PMC9163297 DOI: 10.3389/fendo.2022.868558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/23/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Pituitary stalk thickening (PST) is a rare abnormality in the pediatric population. Its etiology is heterogeneous. The aim of the study was to identify important clinical, radiological and endocrinological manifestations of patients with PST and follow the course of the disease. MATERIALS AND METHODS It is a study conducted in 23 patients (13 boys) with PST with/without central diabetes insipidus (CDI) diagnosed between 1990 and 2020 at Children's Memorial Health Institute (CMHI) in Warsaw, Poland. We analyzed demographic data, clinical signs and symptoms, radiological findings, tumor markers, hormonal results, treatment protocols and outcomes. RESULTS The median age at the diagnosis of PST was 9.68 years (IQR: 7.21-12.33). The median time from the onset of the symptoms to the diagnosis was 2.17 years (IQR: 1.12-3.54). The most common initially reported manifestations were polydipsia, polyuria and nocturia (82.6%); most of the patients (56.5%) also presented decreased growth velocity. Hormonal evaluation at the onset of PST revealed: CDI (91.3%), growth hormone deficiency (GHD) (56.5%), hyperprolactinemia (39%), central hypothyroidism (34.8%), adrenal insufficiency (9%), precocious puberty (8.7%). The majority of the patients were diagnosed with germinoma (seventeen patients - 73.9%, one of them with teratoma and germinoma). Langerhans cell histiocytosis (LCH) was identified in three patients (multisystem LCH in two patients, and unifocal LCH in one patient). A single case of atypical teratoid rhabdoid tumor, suspected low-grade glioma (LGG) and lymphocytic infundibuloneurohypophysitis (LINH). The overall survival rate during the observational period was 87.0%. CONCLUSIONS The pituitary infundibulum presents a diagnostic imaging challenge because of its small size and protean spectrum of disease processes. Germinoma should be suspected in all children with PST, especially with CDI, even when neurological and ophthalmological symptoms are absent.
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Affiliation(s)
- Elżbieta Moszczyńska
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Karolina Kunecka
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Marta Baszyńska-Wilk
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, Warsaw, Poland
- *Correspondence: Marta Baszyńska-Wilk,
| | - Marta Perek-Polnik
- Department of Oncology, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Dorota Majak
- Department of Diagnostic Imaging, The Children’s Memorial Health Institute, Warsaw, Poland
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Valenti G, Tamma G. The vasopressin-aquaporin-2 pathway syndromes. HANDBOOK OF CLINICAL NEUROLOGY 2021; 181:249-259. [PMID: 34238461 DOI: 10.1016/b978-0-12-820683-6.00018-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Vasopressin is the key hormone involved in water conservation and regulation of water balance, essential for life. In the renal collecting duct, vasopressin binds to the V2 receptor, increasing water permeability through activation of aquaporin-2 redistribution to the luminal membrane. This mechanism promotes rapid water reabsorption, important for immediate survival; however, only recently it has become clear that long-term adverse effects are associated with alterations of the vasopressin-aquaporin-2 pathway, leading to several syndromes associated with water balance disorders. The kidney resistance to the vasopressin action may cause severe dehydration for patients and, conversely, nonosmotic release of vasopressin is associated with water retention and increasing the circulatory blood volume. This chapter discusses the relevance of the altered vasopressin-aquaporin-2 pathway in some diseases associated with water balance disorders, including congenital nephrogenic diabetes insipidus, syndrome of inappropriate secretion of antidiuretic hormone, nephrogenic syndrome of inappropriate antidiuresis, and autosomal dominant polycystic kidney disease. The emerging picture suggests that targeting the vasopressin-AQP2 axis can provide therapeutic benefits in those patients.
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Affiliation(s)
- Giovanna Valenti
- Department of Biosciences, Biotechnologies, and Biopharmaceutics, University of Bari, Bari, Italy.
| | - Grazia Tamma
- Department of Biosciences, Biotechnologies, and Biopharmaceutics, University of Bari, Bari, Italy
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Driano JE, Lteif AN, Creo AL. Vasopressin-Dependent Disorders: What Is New in Children? Pediatrics 2021; 147:peds.2020-022848. [PMID: 33795481 DOI: 10.1542/peds.2020-022848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/12/2021] [Indexed: 11/24/2022] Open
Abstract
Arginine vasopressin (AVP)-mediated osmoregulatory disorders, such as diabetes insipidus (DI) and syndrome of inappropriate secretion of antidiuretic hormone (SIADH) are common in the differential diagnosis for children with hypo- and hypernatremia and require timely recognition and treatment. DI is caused by a failure to concentrate urine secondary to impaired production of or response to AVP, resulting in hypernatremia. Newer methods of diagnosing DI include measuring copeptin levels; copeptin is AVP's chaperone protein and serves as a surrogate biomarker of AVP secretion. Intraoperative copeptin levels may also help predict the risk for developing DI after neurosurgical procedures. Copeptin levels hold diagnostic promise in other pediatric conditions, too. Recently, expanded genotype and phenotype correlations in inherited DI disorders have been described and may better predict the clinical course in affected children and infants. Similarly, newer formulations of synthetic AVP may improve pediatric DI treatment. In contrast to DI, SIADH, characterized by inappropriate AVP secretion, commonly leads to severe hyponatremia. Contemporary methods aid clinicians in distinguishing SIADH from other hyponatremic conditions, particularly cerebral salt wasting. Further research on the efficacy of therapies for pediatric SIADH is needed, although some adult treatments hold promise for pediatrics. Lastly, expansion of home point-of-care sodium testing may transform management of SIADH and DI in children. In this article, we review recent developments in the understanding of pathophysiology, diagnostic workup, and treatment of better outcomes and quality of life for children with these challenging disorders.
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Affiliation(s)
- Jane E Driano
- School of Medicine, Creighton University, Omaha, Nebraska; and
| | - Aida N Lteif
- Division of Pediatric Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota
| | - Ana L Creo
- Division of Pediatric Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota
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Burckhardt MA, Gotta V, Beglinger S, Renggli L, Bachmann S, Hess M, Rentsch K, Pfister M, Koch G, Davis EA, Zumsteg U, Jones TW, Szinnai G. Copeptin Kinetics and Its Relationship to Osmolality During Rehydration for Diabetic Ketoacidosis in Children. J Clin Endocrinol Metab 2020; 105:5896600. [PMID: 32835363 DOI: 10.1210/clinem/dgaa568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022]
Abstract
CONTEXT Copeptin is a surrogate marker for arginine vasopressin (AVP) release in response to hyperosmolal stimuli such as diabetic ketoacidosis (DKA). OBJECTIVE The objective of this work is to characterize kinetics of copeptin and osmolality, and their dynamic relationship during rehydration and insulin therapy in children with type 1 diabetes (T1D) and DKA. DESIGN AND SETTING A prospective, observational, multicenter study was conducted. PATIENTS AND INTERVENTION Children with T1D admitted for DKA underwent serial serum copeptin and osmolality measurements from start of rehydration at 14 time points during 72 hours. MAIN OUTCOME MEASURES Measurements included temporal course of copeptin and osmolality (kinetics), relationship between both (dynamics), and association between-subject variability (BSV) (coefficient of variation, CV%). RESULTS Twenty-eight children (20 newly diagnosed T1D) aged 1 to 16 years were included. Copeptin decreased from 95 pmol/L (95% CI, 55-136 pmol/L) (CV%, 158%) to 9.7 pmol/L (95% CI, 8.1-11.4 pmol/L) (CV%, 31%) with a 50% recovery time (t1/2) of 7.1 hours (range, 5.1-11.5 hours) (114%). Serum osmolality decreased from 321 mOsm/kg (range, 315-327 mOsm/kg) (4%) to 294 mOsm/kg (range, 292-296 mOsm/kg) (1%) with a t1/2 of 4.3 hours (range, 3.0-5.6 hours) (64%). Copeptin levels doubled with each osmolality increase by 15 mOsm/kg (range, 10-21 mOsm/kg) (59%), from 9.8 pmol/L (range, 7.3-12.3 pmol/L) (48%) to 280 mOsm/kg. Copeptin kinetics differed between newly diagnosed and known T1D patients (P = .001), and less between mild vs moderate-severe DKA (P = .04). CONCLUSIONS First, this study characterized for the first time copeptin kinetics and dynamics in the high hyperosmolar range in children with DKA. Second, it revealed significant differences in copeptin kinetics between newly diagnosed and known T1D patients that may be explained by changes at the osmoreceptor and renal AVP receptor level due to longstanding osmotic diuresis and DKA.
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Affiliation(s)
- Marie-Anne Burckhardt
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
- Children's Diabetes Centre, Telethon Kids Institute, University of Western Australia, Australia and Perth Children's Hospital, Perth, WA, Australia
| | - Verena Gotta
- Pediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Svetlana Beglinger
- Pediatric Emergency Department, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Luzia Renggli
- Pediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Sara Bachmann
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Melanie Hess
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Katharina Rentsch
- Department of Laboratory Medicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Marc Pfister
- Pediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Gilbert Koch
- Pediatric Pharmacology and Pharmacometrics, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Elizabeth A Davis
- Children's Diabetes Centre, Telethon Kids Institute, University of Western Australia, Australia and Perth Children's Hospital, Perth, WA, Australia
| | - Urs Zumsteg
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
| | - Timothy W Jones
- Children's Diabetes Centre, Telethon Kids Institute, University of Western Australia, Australia and Perth Children's Hospital, Perth, WA, Australia
| | - Gabor Szinnai
- Pediatric Endocrinology and Diabetology, University Children's Hospital Basel UKBB, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
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Cioci A, Rudnick C, Ohanisian L. Accidental ketosis-induced polyuria in a toddler: a case report. BMC Pediatr 2019; 19:395. [PMID: 31666031 PMCID: PMC6821017 DOI: 10.1186/s12887-019-1785-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/14/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In the pediatric population, parental concern of recent onset frequent or large volume urination in young children is common. CASE PRESENTATION A 2-year-old male with no significant past medical history and unremarkable family history was brought to his pediatrician by his mother who reports that the child had been "soaking through his diapers" for the previous two to 3 days. Mother states that patient has not had an appreciable change in the number of wet diapers per day, just the perceived weight/volume of each diaper. The patient's mother denied any recent illness, apparent abdominal pain, dysuria, or recent changes in his bowel movements. She similarly denied polydipsia, polyphagia, or gross hematuria in the patient. Patient's diet consists of eating a low carbohydrate with mostly high protein and fat diet that was similar to the paleo-type diet consumed by her and her husband. Meals over the recent days were even lower in carbohydrates than usual as the family was actively trying to consume healthier food options. On physical exam the child was found to be afebrile with a normal physical exam. A urine dipstick was performed and was positive for 2+ ketones and 1+ protein. Urine leukocytes and nitrites were negative, as was urinary glucose. A fingerstick blood glucose sample was 83 mg/dL. Based on the patient's physical examination, laboratory findings, and the history which revealed a very-low carbohydrate diet, a preliminary diagnosis of ketosis-induced polyuria was made. The patient's mother was advised to incorporate a greater portion of carbohydrates into her son's diet, with a follow-up scheduled for the following week. At the follow-up appointment the mother reports that she had continued the patient's carbohydrate intake and the excessive urine amount per wet diaper has not returned. Repeat urine dipstick confirmed the resolution of the ketonuria and proteinuria. CONCLUSION This case illustrates the inadvertent consequences that can occur when parents impose new fad diets on their young children. The recent increase in the popularity of fad diets makes the consideration of alternative diets important to review in the patient history and subsequently include in the differential diagnosis of polyuria.
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Affiliation(s)
- Anthony Cioci
- Charles E. Schmidt College of Medicine, Florida Atlantic University, 777 Glades Road BC-71, Boca Raton, FL, 33431, USA
| | - Chad Rudnick
- Charles E. Schmidt College of Medicine, Florida Atlantic University, 777 Glades Road BC-71, Boca Raton, FL, 33431, USA. .,Charles E. Schmidt College of Medicine, Florida Atlantic University, 5458 Town Center Road Suite 13, Boca Raton, FL, USA.
| | - Levonti Ohanisian
- Charles E. Schmidt College of Medicine, Florida Atlantic University, 777 Glades Road BC-71, Boca Raton, FL, 33431, USA
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Garrahy A, Moran C, Thompson CJ. Diagnosis and management of central diabetes insipidus in adults. Clin Endocrinol (Oxf) 2019; 90:23-30. [PMID: 30269342 DOI: 10.1111/cen.13866] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 09/25/2018] [Accepted: 09/26/2018] [Indexed: 02/05/2023]
Abstract
Central diabetes insipidus (CDI) is characterized by hypotonic polyuria due to impairment of AVP secretion from the posterior pituitary. In clinical practice, it needs to be distinguished from renal resistance to the antidiuretic effects of AVP (nephrogenic DI), and abnormalities of thirst appreciation (primary polydipsia). As nephrogenic diabetes insipidus is rare in adults, unless they are treated with lithium salts, the practical challenge is how to differentiate between CDI and clinical disorders of excess thirst. The differential diagnosis is usually straight forward, but the recommended gold standard test, the water deprivation test, is not without interpretative pitfalls. The addition of the measurement of plasma AVP concentrations improves diagnostic accuracy, but the radioimmunoassay for AVP is technically difficult, and is only available in a few specialized centres. More recently, the measurement of plasma copeptin concentrations has been claimed to provide a reliable alternative to measurement of plasma AVP, without the sampling handling challenges. In addition, the measurement of thirst ratings can help the differentiation between CDI and primary polydipsia. Once the diagnosis of CDI is biochemically certain, investigations to determine the cause of AVP deficiency are needed. In this review, we will outline the diagnostic approach to polyuria, revisit the caveats of the water deprivation test and review recent data on value of adding AVP/copeptin measurement. We will also discuss treatment strategies for CDI, with analysis of potential complications of treatment.
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Affiliation(s)
- Aoife Garrahy
- Academic Department of Endocrinology, Beaumont Hospital/RCSI Medical School, Dublin, Ireland
| | - Carla Moran
- Academic Department of Endocrinology, Beaumont Hospital/RCSI Medical School, Dublin, Ireland
| | - Christopher J Thompson
- Academic Department of Endocrinology, Beaumont Hospital/RCSI Medical School, Dublin, Ireland
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Chellen S, Whittaker E, Eisenhut M, Grandjean L. Cerebral tuberculomas in a 6-year-old girl causing central diabetes insipidus. BMJ Case Rep 2018; 2018:bcr-2018-226590. [PMID: 30420562 PMCID: PMC6254463 DOI: 10.1136/bcr-2018-226590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
A 6-year-old girl presented acutely with worsening frontal headaches. She had a 3-month history of lethargy, reduced appetite, weight loss, cough and intermittent fevers. A chest X-ray showed a left upper lobe consolidation, and a CT head showed multiple enhancing lesions with significant surrounding oedema in both cerebral hemispheres. Due to the strong suspicion of tuberculosis (TB), she was admitted and treated with anti-TB therapy and steroids. Following this, pulmonary infection with Mycobacterium tuberculosis was confirmed by a positive PCR from induced sputum. Cerebral spinal fluid (CSF) analysis was normal and tested negative for M. tuberculosis on PCR. During her first week of treatment, she developed polyuria, nocturia and polydipsia and was diagnosed with central diabetes insipidus. She was started on desmopressin which rapidly improved her symptoms, and she was continued on desmopressin for 3 months. Currently, she remains well and has shown a good response to TB treatment.
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Affiliation(s)
- Shavindra Chellen
- Paediatric Speciality Trainee, Imperial College Healthcare NHS Trust, London, London, UK
| | - Elizabeth Whittaker
- Consultant Paediatric Infectious Diseases and Immunology, Imperial College Healthcare NHS Trust, St Mary's Hospital, London, UK.,Department of Academic Paediatrics, Imperial College, London, UK
| | - Michael Eisenhut
- Consultant Paediatrician, Luton and Dunstable University Hospital NHS Foundation Trust, Luton, UK
| | - Louis Grandjean
- Consultant Paediatric Infectious Diseases and Immunology, Imperial College Healthcare NHS Trust, St Mary's Hospital, London, UK
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A 27-Month-Old Boy with Polyuria and Polydipsia. Case Rep Pediatr 2018; 2018:4281217. [PMID: 30210889 PMCID: PMC6126108 DOI: 10.1155/2018/4281217] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 08/01/2018] [Indexed: 11/18/2022] Open
Abstract
Psychogenic polydipsia is a well-described phenomenon in those with a diagnosed psychiatric disorder such as schizophrenia and anxiety disorders. Primary polydipsia is differentiated from psychogenic polydipsia by the lack of a clear psychotic disturbance. We present a case of a 27-month-old boy who presented with polyuria and polydipsia. Laboratory studies, imaging, and an observed water deprivation test were consistent with primary polydipsia. Polydipsia resolved after family limited his fluid intake and began replacing water drinking with other transition objects and behaviors for self-soothing. This case highlights the importance of water deprivation testing to differentiate between causes of polyuria, thereby avoiding misdiagnosis and iatrogenic hyponatremia. Secondly, primary polydipsia can result during the normal stages of child development without overt psychiatric disturbances.
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Biryukova EV. Selection of desmopressin preparations for the treatment of central diabetes insipidus. OBESITY AND METABOLISM 2017. [DOI: 10.14341/omet2017423-30] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Central diabetes insipidus (CDI) is a severe pathology of the hypothalamic-pituitary system, based on a deficit of antidiuretic hormone (ADH). The disease is a life threating condition for patients without adequate replacement therapy by various preparations of arginine vasopressin. This review presents the current concepts on etiology, pathogenesis, diagnostic proсedures, and treatment of CDI. The article gives comparative pharmacological characteristics of various desmopressin forms for the treatment of the central form of disease. When choosing a therapy for the treatment of CDI, the article highlights the long-term high efficiency and safety of the original sublingual form of desmopressin (Mininin Melt), which is confirmed by real clinical practice and clinical trials, including the comparison with other forms of desmopressin.
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De Los Santos MA, Águila CMD, Rojas MI, Falen JM, Nuñez O, Chávez EM, Espinoza OA, Pinto PM, Calagua MR. Central diabetes insipidus: clinical profile that suggests organicity in Peruvian children: Lima - Peru 2001-2013. J Pediatr Endocrinol Metab 2016; 29:1353-1358. [PMID: 27845884 DOI: 10.1515/jpem-2016-0140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 09/26/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND Central diabetes insipidus (CDI) is a heterogeneous disease caused by arginine vasopressin deficiency; its management implies a profound understanding of the pathophysiology and the clinical spectrum. The aim of the study was to describe the clinical characteristics that indicate organicity in children and adolescents with central diabetes insipidus treated at the Department of Endocrinology from The Child Health's Institute during 2001 to 2013. METHODS Cross-sectional, retrospective study. 79 cases of patients diagnosed with CDI (51 males and 28 females) from 1 month to 16 years of age were reviewed. For the descriptive analysis, measures of central tendency and dispersion were used; groups of organic and idiopathic CDI were compared using χ2-test and t-test. A p-value<0.05 was considered significant. RESULTS The average age of patients was 8.1±4.2 years. Organic causes were intracranial tumors, 44 (55.7%), Langerhans cell histiocytosis (LCH), 11 (13.9%) and cerebral malformations in 7 (8.9%) patients, while the idiopathic group was 14 (17.7%) patients. Regarding clinical characteristics suggestive of organicity, headache (p=0.02) and visual disturbances (p=0.01) were found statistically significant. The anterior pituitary hormonal abnormalities were documented in 34 (52.3%) organic CDI patients. Furthermore, we did not find a significant difference in the average daily dose of desmopressin between patients with permanent vs. transitory CDI (0.81±0.65 vs. 0.59±0.62; p=0.363). CONCLUSIONS The main clinical features suggestive of organicity in pediatric patients with central diabetes insipidus were headache and visual disturbances; furthermore, anterior pituitary hormonal abnormalities suggest an underlying organic etiology.
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15
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Djermane A, Elmaleh M, Simon D, Poidvin A, Carel JC, Léger J. Central Diabetes Insipidus in Infancy With or Without Hypothalamic Adipsic Hypernatremia Syndrome: Early Identification and Outcome. J Clin Endocrinol Metab 2016; 101:635-43. [PMID: 26588450 DOI: 10.1210/jc.2015-3108] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
CONTEXT Neonatal central diabetes insipidus (CDI) with or without adipsia is a very rare complication of various complex hypothalamic disorders. It is associated with greater morbidity and a high risk of developing both hypernatremia and hyponatremia, due to the condition itself or secondary to treatment with vasopressin analogs or fluid administration. Its outcomes have yet to be evaluated. OBJECTIVE To investigate the clinical outcomes of patients with neonatal-onset CDI or adipsic CDI with hypernatremia. DESIGN, SETTING, AND PARTICIPANTS All patients diagnosed with neonatal CDI in a university hospital-based observational study and followed between 2005 and 2015 were included and analyzed retrospectively. MAIN OUTCOME MEASURES The various causes of CDI were grouped. Clinical outcome and comorbidities were analyzed. RESULTS Ten of the 12 patients had an underlying condition with brain malformations: optic nerve hypoplasia (n = 3), septo-optic dysplasia (n = 2), semilobar holoprosencephaly (n = 1), ectopic neurohypophysis (n = 3), and unilateral absence of the internal carotid artery (n = 1). The other two were idiopathic cases. During the median follow-up period of 7.8 (4.9-16.8) years, all but one patient displayed anterior pituitary deficiency. Transient CDI was found in three (25%) patients for whom a posterior pituitary hyperintense signal was observed with (n = 2) and without (n = 1) structural hypothalamic pituitary abnormalities, and with no other underlying cerebral malformations. Patients with permanent CDI with persistent adipsia (n = 4) and without adipsia (n = 5) required adequate fluid intake and various doses of desamino-D-arginine-8-vasopressin. Those with adipsia were more likely to develop hypernatremia (45 vs 33%), hyponatremia (16 vs 4%) (P < .0001), and severe neurodevelopmental delay (P < .05) than those without adipsia. Comorbidities were common. The underlying cause remains unknown at the age of 23 years for one patient with CDI and normal thirst. CONCLUSION Neonatal CDI may be transient or permanent. These vulnerable patients have high rates of comorbidity and require careful monitoring.
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Affiliation(s)
- Adel Djermane
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
| | - Monique Elmaleh
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
| | - Dominique Simon
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
| | - Amélie Poidvin
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
| | - Jean-Claude Carel
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
| | - Juliane Léger
- Assistance Publique-Hôpitaux de Paris (A.D., D.S., A.P., J.-C.C., J.L.), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique, Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Radiology Department (M.E.), Université Paris Diderot (A.P., J.-C.C., J.L.), Sorbonne Paris Cité, F-75019 Paris, France; and Inserm, Unité 1141 (J.-C.C., J.L.), DHU Protect, F-75019 Paris, France
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Grahofer A, Wiedemar N, Gurtner C, Drögemüller C, Nathues H. Diagnosis of diabetes insipidus observed in Swiss Duroc boars. BMC Vet Res 2016; 12:22. [PMID: 26832361 PMCID: PMC4734855 DOI: 10.1186/s12917-016-0645-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 01/18/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Diabetes insipidus (DI) is a rare disease in humans and animals, which is caused by the lack of production, malfunction or dysfunction of the distal nephron to the antidiuretic effect of the antidiuretic hormone (ADH). Diagnosis requires a thorough medical history, clinical examination and further laboratory confirmation. This case report describes the appearance of DI in five Duroc boars in Switzerland. CASE PRESENTATION Two purebred intact Duroc boars at the age of 8 months and 1.5 years, respectively, with a history of polyuric and polydipsic symptoms had been referred to the Swine Clinic in Berne. Based on the case history, the results of clinical examination and the analysis of blood and urine, a tentative diagnosis of DI was concluded. Finally, the diagnosis was confirmed by findings from a modified water deprivation test, macroscopic examinations and histopathology. Following the diagnosis, three genes known to be involved in inherited DI in humans were analyzed in order to explore a possible genetic background of the affected boars. CONCLUSION The etiology of DI in pigs is supposed to be the same as in humans, although this disease has never been described in pigs before. Thus, although occurring only on rare occasions, DI should be considered as a differential diagnosis in pigs with polyuria and polydipsia. It seems that a modified water deprivation test may be a helpful tool for confirming a diagnosis in pigs. Since hereditary forms of DI have been described in humans, the occurrence of DI in pigs should be considered in breeding programs although we were not able to identify a disease associated mutation.
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Affiliation(s)
- Alexander Grahofer
- Clinic for Swine, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Berne, Bremgartenstrasse 109a, CH-3012, Bern, Switzerland.
| | - Natalie Wiedemar
- Institute of Genetics, Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Berne, Bremgartenstrasse 109a, CH-3012, Bern, Switzerland.
| | - Corinne Gurtner
- Institute of Animal Pathology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Berne, Länggassstrasse 122, CH-3012, Bern, Switzerland.
| | - Cord Drögemüller
- Institute of Genetics, Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Berne, Bremgartenstrasse 109a, CH-3012, Bern, Switzerland.
| | - Heiko Nathues
- Clinic for Swine, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Berne, Bremgartenstrasse 109a, CH-3012, Bern, Switzerland.
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17
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de Fost M, Oussaada SM, Endert E, Linthorst GE, Serlie MJ, Soeters MR, DeVries JH, Bisschop PH, Fliers E. The water deprivation test and a potential role for the arginine vasopressin precursor copeptin to differentiate diabetes insipidus from primary polydipsia. Endocr Connect 2015; 4:86-91. [PMID: 25712898 PMCID: PMC4401105 DOI: 10.1530/ec-14-0113] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 02/23/2015] [Indexed: 11/29/2022]
Abstract
The water deprivation test is the gold standard test to differentiate central or nephrogenic diabetes insipidus (DI) from primary polydipsia (PP) in patients with polyuria and polydipsia. Few studies have addressed the diagnostic performance of this test. The aim of this retrospective cohort study was to evaluate the diagnostic performance of the standard water deprivation test, including plasma arginine vasopressin (AVP) measurements, in 40 consecutive patients with polyuria. We compared initial test results with the final clinical diagnosis, i.e., no DI, central DI, or nephrogenic DI. The median length of follow-up was 8 years. In a subset of ten patients, the novel marker copeptin (CP) was measured in plasma. Using the final diagnosis as a gold standard, a threshold for urine osmolality of >800 mOsmol/kg after water deprivation yielded a sensitivity and specificity of 96 and 100%, respectively, for diagnosing PP. Sensitivity increased to 100% if the cut-off value for urine osmolality was set at 680 mOsmol/kg. Plasma AVP levels did not differ between patient groups and did not differentiate among central DI, nephrogenic DI, or PP. In all three patients with central DI, plasma CP was <2.5 pmol/l with plasma osmolality >290 mOsmol/kg, and >2.5 pmol/l in patients without DI. The optimal cut-off value for differentiating PP from DI during a water deprivation test was urine osmolality >680 mOsmol/kg. Differentiating between central and nephrogenic DI should be based on clinical judgment as AVP levels did not discriminate.
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Affiliation(s)
- M de Fost
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - S M Oussaada
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - E Endert
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - G E Linthorst
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - M J Serlie
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - M R Soeters
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - J H DeVries
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - P H Bisschop
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - E Fliers
- Department of Endocrinology and MetabolismRoom F5-164Laboratory of EndocrinologyDepartment of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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18
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Di Iorgi N, Morana G, Napoli F, Allegri AEM, Rossi A, Maghnie M. Management of diabetes insipidus and adipsia in the child. Best Pract Res Clin Endocrinol Metab 2015; 29:415-36. [PMID: 26051300 DOI: 10.1016/j.beem.2015.04.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Central diabetes insipidus (CDI) is a complex and heterogeneous clinical syndrome affecting the hypothalamic-neurohypophyseal network and water balance. A recent national surveillance in Denmark showed a prevalence rate of twenty-three CDI patients per 100,000 inhabitants in five years. The differential diagnosis between several presenting conditions with polyuria and polydipsia is puzzling, and the etiological diagnosis of CDI remains a challenge before the identification of an underlying cause. For clinical practice, a timely diagnosis for initiating specific treatment in order to avoid central nervous system damage, additional pituitary defects and the risk of dissemination of germ cell tumor is advisable. Proper etiological diagnosis can be achieved via a series of steps that start with careful clinical observation of several signs and endocrine symptoms and then progress to more sophisticated imaging tools. This review summarizes the best practice and approach for the diagnosis and treatment of patients with CDI.
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Affiliation(s)
- Natascia Di Iorgi
- Department of Pediatrics, Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | - Giovanni Morana
- Department of Pediatric Neuroradiology, Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | - Flavia Napoli
- Department of Pediatrics, Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | | | - Andrea Rossi
- Department of Pediatric Neuroradiology, Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | - Mohamad Maghnie
- Department of Pediatrics, Istituto Giannina Gaslini, University of Genova, Genova, Italy.
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19
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Kim MJ, Kim YE, Ki CS, Yoo JH. Autosomal dominant familial neurohypophyseal diabetes insipidus caused by a mutation in the arginine-vasopressin II gene in four generations of a Korean family. Ann Pediatr Endocrinol Metab 2014; 19:220-4. [PMID: 25654069 PMCID: PMC4316416 DOI: 10.6065/apem.2014.19.4.220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 06/10/2014] [Accepted: 06/16/2014] [Indexed: 11/20/2022] Open
Abstract
Autosomal dominant neurohypophyseal diabetes insipidus is a rare form of central diabetes insipidus that is caused by mutations in the vasopressin-neurophysin II (AVP-NPII) gene. It is characterized by persistent polydipsia and polyuria induced by deficient or absent secretion of arginine vasopressin (AVP). Here we report a case of familial neurohypophyseal diabetes insipidus in four generations of a Korean family, caused by heterozygous missense mutation in exon 2 of the AVP-NPII gene (c.286G>T). This is the first report of such a case in Korea.
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Affiliation(s)
- Myo-Jing Kim
- Department of Pediatrics, Dong-A University College of Medicine, Busan, Korea
| | - Young-Eun Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Chang-Seok Ki
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jae-Ho Yoo
- Department of Pediatrics, Dong-A University College of Medicine, Busan, Korea
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20
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Abstract
The objective of this study was to analyze the clinical features of brain trauma associated syndrome of inappropriate antidiuretic hormone secretion. A retrospective analysis was performed for the electrolytes and osmolality of blood and urine samples of brain injury patients, which have been collected in our department since last 20 years. Four cases of brain injury patients met the criteria of SIADH, and three of them were cured but one patient died. In conclusion, the pathogenesis and treatment of SIADH associated with brain injury are different from hyponatremia. Early diagnosis and treatment can reduce the morbidity and mortality of patients with traumatic brain injury.
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21
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De Bruyne P, De Guchtenaere A, Van Herzeele C, Raes A, Dehoorne J, Hoebeke P, Van Laecke E, Vande Walle J. Pharmacokinetics of desmopressin administered as tablet and oral lyophilisate formulation in children with monosymptomatic nocturnal enuresis. Eur J Pediatr 2014; 173:223-8. [PMID: 23989967 DOI: 10.1007/s00431-013-2108-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 07/16/2013] [Indexed: 11/25/2022]
Abstract
Desmopressin 120 μg oral lyophilisate and 200 μg tablet are considered bioequivalent, based on extrapolation of studies in a limited number of adults and on one dose-finding study of desmopressin oral lyophilisate in children. However, no comparative pharmacokinetic study in children was executed confirming this statement. No data are available on the influence of food intake on the bioavailability of desmopressin tablet in a pediatric setting, although studies in adults have documented that food intake results in a significantly lower desmopressin plasma concentration. In this study, we analyzed plasma concentrations of desmopressin oral lyophilisate and tablet with concomitant food intake. Twenty-three children with monosymptomatic nocturnal enuresis (mean age, 12.7 years) were recruited. Two tests were performed on two separate days in identical conditions with a standardized food and fluid intake. Desmopressin was administered as desmopressin tablet or desmopressin oral lyophilisate immediately after a meal. Desmopressin plasma concentration was measured at 1 h, 2 h, and 6 h postdosing. No significant difference in plasma concentration of 120 μg desmopressin oral lyophilisate and 200 μg tablet was demonstrated, even with concomitant food intake. A significant difference in variability was found, identifying a smaller variance for desmopressin oral lyophilisate plasma concentrations at all time points. This study demonstrates comparable plasma levels for desmopressin oral lyophilisate, despite the lower dose. The dosage for desmopressin oral lyophilisate is more predictable due to the significantly smaller variance. Therefore, desmopressin oral lyophilisate seems more suitable, especially in the younger age group for which time interval between dinner and drug administration is limited.
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Affiliation(s)
- Pauline De Bruyne
- Department of Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, 3K12D, De Pintelaan 185, 9000, Ghent, Belgium,
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22
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Birkegaard C, Christensen JH, Falorni A, Marzotti S, Minarelli V, Gregersen N, Rittig S. A novel variation in the AVP gene resulting in familial neurohypophyseal diabetes insipidus in a large Italian kindred. Pituitary 2013; 16:152-7. [PMID: 22695750 DOI: 10.1007/s11102-012-0392-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Familial neurohypophyseal diabetes insipidus (FNDI) is mostly an autosomal dominant inherited disorder presenting with severe polydipsia and polyuria typically in early childhood. To date, 69 different variations in the AVP gene encoding the AVP prohormone have been identified in autosomal dominant FNDI (adFNDI). In this study we present a family of seven generations, in which a novel variation in the AVP gene seems to cause adFNDI. Clinical assessment by 24 h urine collection, water deprivation test, desmopressin (dDAVP) challenge, and magnetic resonance imaging (MRI) of the posterior pituitary are presented. The diagnosis of adFNDI was confirmed by direct DNA sequence analysis of the AVP gene. Inheritance pattern and clinical history clearly pointed towards adFNDI. Inability of concentrating urine upon dehydration was demonstrated by a water deprivation test, and neurohypophyseal diabetes insipidus was strongly suspected after dDAVP administration, during which renal concentration ability quadrupled. MRI revealed a very weak pituitary "bright spot" in each of six subjects and a further reduction in the size of the neurohypophysis in a 7-year follow-up MRI scan in one subject. DNA sequence analysis revealed heterozygousity for a novel g.1785T > C gene variation predicting a p.Leu63Pro substitution in four affected subjects. Genetic testing in the diagnostic evaluation of families in which diabetes insipidus segregates is highly recommended in that interpretation of clinical assessments can be difficult. Furthermore, presymptomatic diagnosis can ease the parental concern of the carrier status of their offspring, and also avoid unnecessary surveillance of those being unaffected.
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Affiliation(s)
- Camilla Birkegaard
- Department of Pediatrics, Aarhus University Hospital, Brendstrupgaardsvej 100, 8200 Aarhus, Denmark.
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23
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Abstract
Fluid homeostasis requires adequate water intake, regulated by an intact thirst mechanism and appropriate free water excretion by the kidneys, mediated by appropriate secretion of arginine vasopressin (AVP, also known as antidiuretic hormone). AVP exerts its antidiuretic action by binding to the X chromosome-encoded V2 vasopressin receptor (V2R), a G protein coupled receptor on the basolateral membrane of renal collecting duct epithelial cells. After V2R activation, increased intracellular cyclic adenosine monophosphate mediates shuttling of the water channel aquaporin 2 to the apical membrane of collecting duct cells, resulting in increased water permeability and antidiuresis. Clinical disorders of water balance are common, and abnormalities in many steps involving AVP secretion and responsiveness have been described. This article focuses on the principal disorders of water balance, diabetes insipidus, and the syndrome of inappropriate antidiuretic hormone secretion.
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Affiliation(s)
- Sayali A. Ranadive
- Department of Endocrinology, Children's Hospital and Research Center Oakland, 747 52nd Street, Oakland, CA 94609, USA
| | - Stephen M. Rosenthal
- Department of Pediatrics, Division of Endocrinology, University of California San Francisco, 513 Parnassus Avenue, Room S672, San Francisco, CA 94143, USA,Corresponding author. (S.M. Rosenthal)
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Kollamparambil TG, Mohan PV, Gunasuntharam K, Jani BR, Penman DG. Prenatal presentation of transient central diabetes insipidus. Eur J Pediatr 2011; 170:653-6. [PMID: 21072537 DOI: 10.1007/s00431-010-1340-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Accepted: 10/20/2010] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Nephrogenic diabetes insipidus (DI) in the foetus has been described as a rare presentation of severe polyhydramnios. DISCUSSION We report a case of foetal central DI, characterised by severe polyhydramnios. Significant polyuria was noted at birth. Serum AVP level was un-measurable (<0.5 pg/ml). A dramatic response to intravenous dDAVP (desmopressin) was noted confirming central DI. Further investigations did not reveal a recognised cause for central or nephrogenic DI. The infant thrived well on a small dose of oral desmopressin until the age of 12 months. At 13 months, a water deprivation test revealed a normal ability to concentrate urine without desmopressin, and subsequently, the infant has thrived without further treatment. The transient nature of the central DI remains obscure but could be explained by a maturational delay in the tissues involved in AVP synthesis or release, during intrauterine life and infancy. CONCLUSION Both nephrogenic and central DI should be considered as a cause of severe polyhydramnios. This may help to guide prompt intensive management and investigation, with attention to vascular access, central venous pressure, urine output monitoring and replacement.
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Abstract
Diabetes insipidus (DI) is a rare disorder of horses characterized by profound polyuria and polydipsia (PU/PD), which can be caused by loss of production of arginine vasopressin (AVP). This condition is termed neurogenic or central DI. DI may also develop with absence or loss of AVP receptors or activity on the basolateral membrane of collecting-duct epithelial cells. This condition is termed nephrogenic DI. Equine clinicians may differentiate true DI from more common causes of PU/PD by a systematic diagnostic approach. DI may not be a correctable disorder, and supportive care of affected horses requires an adequate water source.
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Prystupa J. Fluorine—A current literature review. An NRC and ATSDR based review of safety standards for exposure to fluorine and fluorides. Toxicol Mech Methods 2011; 21:103-70. [DOI: 10.3109/15376516.2010.542931] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
Fluid homeostasis requires adequate water intake, regulated by an intact thirst mechanism and appropriate free water excretion by the kidneys, mediated by appropriate secretion of arginine vasopressin (AVP, also known as antidiuretic hormone). AVP exerts its antidiuretic action by binding to the X chromosome-encoded V2 vasopressin receptor (V2R), a G protein-coupled receptor on the basolateral membrane of renal collecting duct epithelial cells. After V2R activation, increased intracellular cyclic adenosine monophosphate mediates shuttling of the water channel aquaporin 2 to the apical membrane of collecting duct cells, resulting in increased water permeability and antidiuresis. Clinical disorders of water balance are common, and abnormalities in many steps involving AVP secretion and responsiveness have been described. This article focuses on the principal disorders of water balance, diabetes insipidus, and the syndrome of inappropriate antidiuretic hormone secretion.
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Affiliation(s)
- Sayali A. Ranadive
- Department of Endocrinology, Children's Hospital and Research Center Oakland, 747 52
| | - Stephen M. Rosenthal
- Department of Pediatrics, Division of Endocrinology, University of California San Francisco, San Francisco, California
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Central diabetes insipidus misdiagnosed as acute gastroenteritis in a pediatric patient. CAN J EMERG MED 2009; 10:488-92. [PMID: 18826743 DOI: 10.1017/s1481803500010642] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This case report describes an unusual presentation of nausea, vomiting and diarrhea, which was misdiagnosed as acute gastroenteritis in a 6-year-old girl. The patient later returned to the emergency department (ED) with severe dehydration from idiopathic central diabetes insipidus (DI). At her first visit, this previously healthy patient presented with mild dehydration, signs of acute gastroenteritis and normal urine output. Her brother had experienced similar symptoms a few days earlier. She tolerated an oral fluid challenge and was discharged from the ED with stable vital signs. Two days later, the patient returned with severe dehydration, resolving diarrhea and persistent vomiting. She was admitted to the pediatric intensive care unit. Magnetic resonance imaging illustrated an absent posterior pituitary enhancing signal, which demonstrated a loss of function in that region. There were no other abnormalities. The patient subsequently received desmopressin with improving clinical status and was discharged on the eighth hospital day. DI is a rare disease, but can be fatal if left undiagnosed. It should, therefore, be considered in the differential diagnosis of a dehydrated patient with an unexpectedly low urine specific gravity.
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Cellucci T, Zelcer S, Mahmud FH. Case 1: polyuria at the magic kingdom. Paediatr Child Health 2008; 13:615-618. [PMID: 19436502 PMCID: PMC2603517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2008] [Indexed: 05/27/2023] Open
Affiliation(s)
- Tania Cellucci
- Department of Paediatrics, University of Western Ontario, Children's Hospital of Western Ontario, London, Ontario
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Cellucci T, Zelcer S, Mahmud FH. Case 1: Polyuria at the Magic Kingdom. Paediatr Child Health 2008. [DOI: 10.1093/pch/13.7.615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Tania Cellucci
- Department of Paediatrics, University of Western Ontario, Children's Hospital of Western Ontario, London, Ontario
| | - Shayna Zelcer
- Department of Paediatrics, University of Western Ontario, Children's Hospital of Western Ontario, London, Ontario
| | - Farid H Mahmud
- Department of Paediatrics, University of Western Ontario, Children's Hospital of Western Ontario, London, Ontario
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Matoussi N, Aissa K, Fitouri Z, Hajji M, Makni S, Bellagha I, Ben Becher S. [Central diabetes insipidus: diagnostic difficulties]. ANNALES D'ENDOCRINOLOGIE 2008; 69:231-9. [PMID: 18486932 DOI: 10.1016/j.ando.2007.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2007] [Revised: 05/16/2007] [Accepted: 11/20/2007] [Indexed: 10/22/2022]
Abstract
UNLABELLED Central diabetes insipidus is rare in children. Characteristic features include polyuria and polydipsia due to arginine vasopressin deficiency. The differential diagnosis of polyuric states may be difficult. Etiologic diagnosis of central diabetes insipidus may be an equally difficult task. OBJECTIVE To specify the difficulties encountered in the diagnosis of central diabetes insipidus and to point out features of the etiologic work-up and of long-term follow-up of children with idiopathic central diabetes insipidus. METHODS A retrospective study of 12 children admitted with a polyuria/polydipsia syndrome to the pediatric - consultation and emergency unit of the children's hospital of Tunis between 1988 and 2005. Children with acquired nephrogenic central diabetes insipidus were excluded. Fourteen-hour fluid restriction test and/or desmopressin test were used without plasma vasopressin measurement. RESULTS Eight patients were classified as having central diabetes insipidus, which was severe in seven children and partial in one girl. One patient was classified as having primary polydipsia. The diagnosis remains unclear in three patients. The etiological work-up in eight patients with central diabetes insipidus enabled the identification of Langerhan's-cell histiocytosis in two patients and neurosurgical trauma in one. The cause was considered idiopathic in five patients. The median follow-up of the five patients with idiopathic central diabetes insipidus was five years two months plus or minus six years seven months (range five months, 14.5 years). During this follow-up, neither brain magnetic resonance imaging scans findings nor anterior pituitary function have changed. CONCLUSION Fluid restriction and desmopressin tests did not enable an accurate distinction between partial diabetes insipidus and primary polydipsia. Regular surveillance is warranted in patients with idiopathic central diabetes insipidus to identify potential etiologies.
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Affiliation(s)
- N Matoussi
- Service de pédiatrie, urgences et consultations externes, hôpital d'enfants de Tunis, 1007, rue Jabbari-Bab-Saâdoun, Tunis, Tunisie.
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32
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Quetin F, Garnier H, Brauner R, Vodovar M, Magny JF. Diabète insipide central idiopathique chez un très grand prématuré. Arch Pediatr 2007; 14:1321-3. [DOI: 10.1016/j.arcped.2007.07.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2006] [Accepted: 07/09/2007] [Indexed: 10/22/2022]
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Rivkees SA, Dunbar N, Wilson TA. The management of central diabetes insipidus in infancy: desmopressin, low renal solute load formula, thiazide diuretics. J Pediatr Endocrinol Metab 2007; 20:459-69. [PMID: 17550208 DOI: 10.1515/jpem.2007.20.4.459] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Infants consume most of their calories as formula. Because of this large fluid intake, infants normally produce dilute urine, not far off from that seen in individuals with diabetes insipidus (DI). Infants with DI are therefore prone to water intoxication if fixed antidiuresis is achieved using the long-acting vasopressin analog desmopressin (DDAVP), which induces a state of high urine concentration. DI treatment approaches applied to older children and adults, who consume the their calories as solids, are difficult to apply to infants with DI. When used in infants, oral and intranasal DDAVP can be associated with wide swings in serum sodium concentration (SNA). In comparison, precisely administered subcutaneous doses of DDAVP can be successfully used in infants with DI, and appear to be superior to oral or intranasal DDAVP therapy. Alternatively, consistent eunatremia can be simply achieved in infantile DI using low renal solute load (RSL) formula and thiazide diuretics. Low RSL formula reduces obligatory urinary water losses, and thiazide diuretics concentrate the urine to levels seen in normal formula-fed infants. This report addresses treatment options of DI in infancy and the delicate management issues involved.
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Affiliation(s)
- Scott A Rivkees
- Department ofPediatrics, Yale Child Health Research Center, Section of Pediatric Endocrinology, Yale University, New Haven, CT, USA.
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Abstract
Water balance is precisely regulated by vasopressin, thirst and the kidneys; plasma osmolality is maintained within a narrow range, despite large variations in normal water intake and loss. Disruption of these finely balanced mechanisms is common, however, and can be precipitated by various disease states. Diabetes insipidus is a disease process with several underlying pathogenic mechanisms--all ultimately resulting in excretion of large volumes of dilute urine. This review will discuss the pathophysiology, diagnosis and treatment of diabetes insipidus, with emphasis on disorders of osmoregulation following neurosurgery of the pituitary and hypothalamus.
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Affiliation(s)
- Shanika Samarasinghe
- The University of Chicago, Section of Endocrinology, Department of Medicine, 5841 S. Maryland Ave., MC 1027, Chicago, IL 60637, USA.
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35
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Abstract
Hypopituitarism is a complex medical condition associated with increased morbidity and mortality, requires complicated treatment regimens, and necessitates lifelong follow up by the endocrinologist. The causes, clinical features, and the management of hypopituitarism including endocrine replacement therapy are considered in this review article.
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Affiliation(s)
- V K B Prabhakar
- Department of Diabetes and Endocrinology, Lime House, Stepping Hill Hospital, Stockport, Cheshire SK2 7JE, UK.
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36
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Siahanidou T, Tsoumas D, Kanaka-Gantenbein C, Mandyla H. Neuroendocrine abnormalities in a neonate with congenital toxoplasmosis. J Pediatr Endocrinol Metab 2006; 19:1363-6. [PMID: 17220066 DOI: 10.1515/jpem.2006.19.11.1363] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The central nervous system is often affected in patients with congenital toxoplasmosis. However, hypothalamo-pituitary dysfunction has rarely been reported in children with congenital toxoplasmosis, and no case with prolonged fever of central origin has been documented so far. We describe a newborn with congenital toxoplasmosis who presented with fever due to hypothalamo-pituitary dysregulation and combined hypothalamo-pituitary deficiencies consisting of central diabetes insipidus, hypothyroidism and ACTH deficiency.
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Affiliation(s)
- Tania Siahanidou
- Neonatal Unit, First Department of Pediatrics, Athens University, "Aghia Sophia" Children's Hospital, Athens, Greece.
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37
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Petersen MB. The effect of vasopressin and related compounds at V1a and V2 receptors in animal models relevant to human disease. Basic Clin Pharmacol Toxicol 2006; 99:96-103. [PMID: 16918709 DOI: 10.1111/j.1742-7843.2006.pto_299.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Vasopressin, a neurohypophyseal peptide hormone, is the endogenous agonist at V1a, V1b and V2 receptors. The most important physiological function of vasopressin is the maintenance of water homeostasis through interaction with V2 receptors in the kidney. Vasopressin and related compounds are used in various clinical settings such as acute variceal bleeding associated with portal hypertension, septic shock, diabetes insipidus and coagulation disorders. The effect in the former two indications relates to the V1a receptor, and in the two latter indications the effect relates to the V2 receptor. Vasopressin and related compounds have demonstrated activity in animal models of portal hypertension, sepsis and septic shock, diabetes insipidus and coagulation disorders. The use of the compounds in animal models is reviewed. Generally, the effect of vasopressin and related compounds in animal models reflect the activity in the clinical setting, but in some cases important species differences exist.
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Affiliation(s)
- Mads Bjelke Petersen
- Non-Clinical Development, Ferring Pharmaceuticals A/S, Kaj Fiskers Plads 11, DK-2300 Copenhagen, Denmark.
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38
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Perkins RM, Yuan CM, Welch PG. Dipsogenic diabetes insipidus: report of a novel treatment strategy and literature review. Clin Exp Nephrol 2006; 10:63-7. [PMID: 16544179 DOI: 10.1007/s10157-005-0397-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2005] [Accepted: 11/08/2005] [Indexed: 10/24/2022]
Abstract
Dipsogenic diabetes insipidus is a syndrome of disordered thirst, in patients without psychiatric disease, which may be confused with partial central diabetes insipidus. Distinguishing these entities involves monitored water testing. Therapy with antidiuretic hormone in patients with dipsogenic diabetes insipidus is thought to be contraindicated for fear of inducing water intoxication. We report a case of a 26-year-old woman without psychiatric illness referred for longstanding polyuria and polydipsia. Otherwise healthy, she complained of near-constant thirst and frequent urination, causing severe disruption of her personal and professional life. She had been consistently eunatremic and polyuric, with low urine osmolality. Results of extensive water testing revealed intact urinary concentrating and diluting capacity, physiologic though blunted antidiuretic hormone (ADH) release, and an abnormally low thirst threshold, consistent with the diagnosis of dipsogenic diabetes insipidus. To control her polyuria we initiated treatment with intermittent, low-dose, intranasal desmopressin and strict water restriction during drug dosing. In follow-up she reported excellent control of polyuria and significant functional improvement. The reviewed literature demonstrates a limited number of reports about dipsogenic diabetes insipidus, and no prior report of a similar treatment strategy. Dipsogenic diabetes insipidus is an uncommonly (and not universally) recognized disorder, requiring monitored testing in order to distinguish it from incomplete forms of central diabetes insipidus. Though therapy with desmopressin cannot be recommended based on the results of a single case, the outcome presented here is intriguing and suggests that larger studies in such patients is warranted to assess the broader application of such an intervention.
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Affiliation(s)
- Robert M Perkins
- Department of Medicine/Nephrology Service, Walter Reed Army Medical Center, 6900 Georgia Ave NW, Washington, DC 20307-5001, USA.
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39
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Abstract
DDAVP is a drug that should be used with caution for each patient individually. Particular care is needed to avoid fluid overload and rapid fluctuations in sodium concentration. Not only families but physicians as well should be educated and aware of the adverse effects of DDAVP, especially in high risk patients. Extreme caution is needed in children with severe neurological and developmental problems who cannot control their fluid intake themselves. Similarly, caution is needed in patients with hypodipsia and DI who have difficulty in balancing water intake and DDAVP dose. The treatment of DI is water; however, DDAVP is given to avoid a large fluid intake which can result in medullary washout. Frequent home monitoring of body weight and regular determinations of serum sodium may help to disclose the early phase of over-hydration or dehydration. DDAVP therapy should be temporarily interrupted during acute illness, febrile episodes, hot days and other conditions with increased water intake. It should be used with considerable caution in patients with cystic fibrosis, or renal or cardiovascular diseases. In patients with enuresis, it is recommended that DDAVP medication should not be continued for longer than 3 months without stopping for 1 week for full reassessment. Fluid intake should be limited 1 hour before and 8 hours after the dose. Generally, undertreatment with vasopressin analogue is safer than overtreatment. A simple measure to avoid overtreatment is to miss one dose once a week; a rapid onset diuresis ('washout' effect) provides considerable reassurance.
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Affiliation(s)
- Meropi Toumba
- Department of Endocrinology, Great Ormond Street Hospital for Children and The Middlesex Hospital (UCLH), London, UK
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Davies JH, Penney M, Abbes AP, Engel H, Gregory JW. Clinical Features, Diagnosis and Molecular Studies of Familial Central Diabetes Insipidus. Horm Res Paediatr 2005; 64:231-7. [PMID: 16254433 DOI: 10.1159/000089291] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2005] [Accepted: 07/25/2005] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Familial central diabetes insipidus (DI) is rare and is characterised by polydipsia and polyuria with a variable age of onset. The evaluation of arginine vasopressin (AVP) secretion in these individuals has been reported infrequently and only in adulthood. OBJECTIVE To describe the clinical features, diagnosis and molecular investigation of children affected by familial central DI. METHODS Functional studies of AVP secretion were undertaken in children from two kindreds with familial central DI. The AVP-neurophysin II (AVP-NPII) gene was also sequenced in symptomatic individuals. RESULTS In affected individuals, the result of the water deprivation test may be inconclusive. However, the hypertonic saline test identified both the severe and partial forms of AVP deficiency. A novel mutation of the AVP-NPII gene was identified by direct gene sequencing in both families. CONCLUSIONS This report highlights the progressive decline in AVP secretion with increasing age in this disorder and the usefulness of mutational analysis in these families. In symptomatic individuals, the hypertonic saline test may be a useful second-line investigation for functional studies of AVP secretion where molecular diagnostics are unavailable.
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Affiliation(s)
- J H Davies
- Department of Child Health, Cardiff University, Cardiff, UK.
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Ghirardello S, Malattia C, Scagnelli P, Maghnie M. Current perspective on the pathogenesis of central diabetes insipidus. J Pediatr Endocrinol Metab 2005; 18:631-45. [PMID: 16128239 DOI: 10.1515/jpem.2005.18.7.631] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Diabetes insipidus is a heterogeneous condition characterised by polyuria and polydipsia caused by a lack of secretion of vasopressin, its physiological suppression following excessive water intake, or kidney resistance to its action. The clinical and laboratory diagnosis is confirmed by standard tests, but recent advances in molecular biology and imaging techniques have shed new light on the pathophysiology of this disease. In many patients, central diabetes insipidus is caused by a germinoma or craniopharyngioma; Langerhans' cell histiocytosis and sarcoidosis of the central nervous system; local inflammatory, autoimmune or vascular diseases; trauma from surgery or accident; and, rarely, genetic defects in vasopressin biosynthesis inherited as autosomal dominant or X-linked recessive traits. Thirty to fifty percent of cases are considered idiopathic. Tumour-associated central diabetes insipidus is uncommon in children younger than 5 years old. Biopsy of enlarged pituitary stalk should be reserved for patients with hypothalamic-pituitary mass and progressive thickening of the pituitary stalk since spontaneous recovery may occur. Molecular biology in selected patients may identify those with apparently idiopathic diabetes insipidus carrying the vasopressin-neurophysin II gene mutation.
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Affiliation(s)
- Stefano Ghirardello
- Department of Pediatrics, IRCCS Policlinico S Matteo, University of Pavia, Pavia, Italy
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42
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Hansenne I. Thymic transcription of neurohypophysial and insulin-related genes: impact upon T-cell differentiation and self-tolerance. J Neuroendocrinol 2005; 17:321-7. [PMID: 15869568 DOI: 10.1111/j.1365-2826.2005.01301.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The thymus is the unique lymphoid organ responsible for the generation of a diverse repertoire of T lymphocytes that are competent against non self-antigens while being tolerant to self-antigens. A vast repertoire of neuroendocrine-related genes is transcribed in the nonlymphoid cellular compartment of the thymus (thymic epithelial cells, dendritic cells and macrophages). The precursors encoded by these genes engage two types of interactions with developing T cells (thymocytes). First, they are not processed in a classical neuroendocrine way but as the source of self-antigens that are presented to pre-T cells by the major histocompatibility complex proteins of the thymus. This presentation could be responsible for the establishment of central T-cell self-tolerance to neuroendocrine functions. Second, they also deliver signal ligands that are able to bind to neuroendocrine-type receptors expressed by thymocytes. This interaction activates several types of intracellular signalling pathways implicated in the developmental process of T lymphocytes. Several experimental arguments support a role for thymic dysfunction as a crucial factor in the development of organ-specific autoimmune endocrinopathies, such as 'idiopathic' central diabetes insipidus and type 1 diabetes mellitus. The rational use of tolerogenic neuroendocrine self-antigens for the prevention/treatment of autoimmune endocrinopathies is currently under investigation.
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Affiliation(s)
- I Hansenne
- Liege University, Center of Immunology, Laboratory of Neuroimmune-Endocrinology and Embryology, Institute of Pathology, Liege-Sart Tilman, Belgium.
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43
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44
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Abstract
In diabetes insipidus, the amount of water ingested and the quantity and concentration of urine produced needs to be carefully regulated if fluid volume and osmolality are to be maintained within the normal range. One of the principal mechanisms controlling urine output is vasopressin which is released from the posterior pituitary gland and enhances water reabsorption from the renal collecting duct. In diabetes insipidus, the excessive production of dilute urine, and the causes of this clinical picture can be divided into three main groups: the first is primary polydipsia where the amount of fluid ingested is inappropriately large; the second group is cranial diabetes insipidus where the production of vasopressin is abnormally low; and, the third group is nephrogenic diabetes insipidus where the kidney response to vasopressin is impaired. The history and examination may suggest an underlying explanation for diabetes insipidus but a range of baseline and more extensive investigations may be required before a diagnosis can be reached. These investigations are not without risk, and the results need to be interpreted carefully because children do not always segregate neatly into a particular diagnostic category on the basis of one test alone. Children with cranial diabetes insipidus typically respond to arginine vasopressin or its manufactured analogue, desmopressin, with an increase in urine osmolality and an associated reduction in urine output. Such children usually require neuroimaging to look for evidence of evolving CNS pathology, such as an intracranial tumour. Vasopressin "replacement" with desmopressin is the treatment of choice in patients with cranial diabetes insipidus although extreme caution is required when treating babies or small children because of the danger of fluid overload. Abnormal production of other pituitary hormones in children with CNS disease can also influence fluid balance. Nephrogenic diabetes insipidus can be due to abnormal electrolyte concentrations, therefore these should be measured as part of the initial assessment. In a small number of children the defect is a primary abnormality of the vasopressin receptor or one of the water channel proteins (aquaporins) involved in water transport. The treatment of these patients is difficult and typically involves therapy with a diuretic such as chlorothiazide, as well as indomethacin. These agents enhance urine osmolality by their effect on circulating volume and renal solute and water handling. The fluid intake of most young children with primary polydipsia can be safely reduced to a more appropriate level.
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Affiliation(s)
- Tim Cheetham
- Department of Child Health, Royal Victoria Infirmary, Newcastle Upon Tyne NE1 4LP, UK.
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46
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Boson WL, Sarubi JC, d'Alva CB, Friedman E, Faria D, De Marco L, Wajchenberg B. A signal peptide mutation of the arginine vasopressin gene in monozygotic twins. Clin Endocrinol (Oxf) 2003; 58:108-10. [PMID: 12519420 DOI: 10.1046/j.1365-2265.2003.01667.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Familial neurohypophysial diabetes insipidus (FNDI) is a rare autosomal dominant syndrome stemming from the absence of arginine vasopressin (AVP). More than thirty-five different germline mutations in the arginine vasopressin-neurophysin II gene have been reported. These mutations are either in the signal peptide or scattered throughout the neurophysin II domain. A missense mutation altering alanine at position -1 to either valine or threonine in the signal peptide domain has previously been found in ten unrelated families. In the present report, Brazilian female monozygotic twins with clinically typical central DI in whom biochemical and molecular characterization were carried out are described. Direct mutational analysis by sequencing of the vasopressin gene in germline DNA revealed a heterozygous missense mutation (G-->A) at nucleotide 279, predicting the substitution of alanine by threonine at position -1 of the signal peptide moiety. In summary, we present an extremely rare case of familial central diabetes insipidus in monozygotic Brazilian twins with a seemingly common missense mutation in the AVP gene.
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Affiliation(s)
- Wolfanga L Boson
- Department of Pharmacology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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47
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Abstract
OBJECTIVE To determine whether home care givers can accurately measure plasma sodium in children with diabetes insipidus (DI) by using an I-STAT portable clinical analyzer (PCA) and to collect preliminary data on home PCA use. STUDY DESIGN Care givers of 4 children with DI and impaired thirst or inability to access water freely were instructed in PCA use. During an initial preclinical phase, the accuracy of sodium concentration measured by care givers was assessed by comparison to simultaneous analysis in a clinical laboratory. Participants were subsequently randomly assigned to daily home PCA monitoring or routine care. All participants crossed over from their original randomized group assignment to the alternate group. RESULTS After a single education session, all care givers were able to perform PCA testing. There was good correlation between PCA and laboratory sodium (r = 0.92). On the basis of Error Grid Analysis, use of the PCA sodium would have resulted in treatment decisions identical to those made based on the laboratory sodium value in 62 of 66 instances. Four minor differences in treatment would have occurred. There was no statistically significant difference in clinical outcome during daily monitoring versus routine care. CONCLUSIONS Results obtained by care givers using the PCA are sufficiently reliable for assessment of fluid status and making treatment decisions.
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Affiliation(s)
- Rebecca P Green
- Department of Pediatrics, Divisions of Endocrinology and Metabolism and Laboratory Medicine, Washington University School of Medicine and St Louis Children's Hospital, St Louis, Missouri, USA
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48
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Corona G, Petrone L, Serio M, Forti G, Maggi M. Diabete insipido: dalla fisiologia alla clinica. L'ENDOCRINOLOGO 2002; 3:43-61. [DOI: 10.1007/bf03344408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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49
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Abstract
Hyponatraemia is a common finding in patients with acute cerebral insults. The main differential diagnosis is between syndrome of inappropriate ADH secretion and cerebral salt wasting. Our aim is to review the topic of hyponatraemia in patients with acute cerebral insults and suggest a clinical approach to diagnosis and management.
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Affiliation(s)
- A Albanese
- Department of Paediatric Endocrinology, St George's Hospital, Level 5, Lanesborough Wing, Blackshaw Road, London SW17 0QT, UK.
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50
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Rizzo V, Albanese A, Stanhope R. Morbidity and mortality associated with vasopressin replacement therapy in children. J Pediatr Endocrinol Metab 2001; 14:861-7. [PMID: 11515726 DOI: 10.1515/jpem.2001.14.7.861] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To assess the incidence and associated risk factors of adverse reactions of DDAVP treatment of children with diabetes insipidus, comparing different routes of administration. DESIGN We retrospectively studied 103 children (44 females, 59 males) with cranial diabetes insipidus (mean age 6.9 years at diagnosis) treated with intramuscular (59), intranasal (84) and/or oral (64) DDAVP, over a mean follow-up period of 5.2 years. RESULTS Eight patients died. For at least two children death was related to water intoxication. Major complications (symptomatic water overload with or without seizures) or asymptomatic hyponatraemia were observed in 33 patients. The incidence of total complications was significantly higher in cortisol deficient patients than in those with normal cortisol reserve (36% vs 6%). In patients on concomitant carbamazapine treatment major complications were more frequent in comparison to the remaining patients (33% vs 10%). Although not achieving significance, there were fewer complications using the oral route. CONCLUSIONS Caution is needed in managing patients with DI, especially if risk factors such as cortisol deficiency or concomitant carbamazepine treatment are present. The oral route of administration seems to be preferred for both convenience and safety. Major changes in dose and formulation should be undertaken in hospital.
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Affiliation(s)
- V Rizzo
- Department of Paediatric Endocrinology, Great Ormond Street Hospital for Children, London, UK
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