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Săcărescu A, Pleşca IC, Turliuc MD. Copeptin's role in traumatic brain injury: The promising quest for a new biomarker. Clin Neurol Neurosurg 2024; 244:108432. [PMID: 38986366 DOI: 10.1016/j.clineuro.2024.108432] [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] [Received: 12/17/2023] [Revised: 03/25/2024] [Accepted: 07/04/2024] [Indexed: 07/12/2024]
Abstract
OBJECTIVE Traumatic brain injury (TBI) necessitates reliable biomarkers to improve patient care. This study explored copeptin as a potential biomarker in TBI and its relation to vasopressin (ADH) in such patients. METHODS A cross-sectional study was conducted on 50 TBI patients. Exclusion criteria included specific medical conditions and recent traumatic events. Copeptin and ADH testing were performed within 30 days post-trauma. Patient data, Glasgow Coma Scale (GCS) scores, imaging results, and the need for surgical intervention were obtained from medical charts. RESULTS Copeptin levels negatively correlated with GCS scores (ρ = - 0.313, p = 0.027), indicating a potential association with trauma severity. Copeptin levels (mean: 3.22 pmol/L, median 2.027 pmol/L, SD = 3.15) tended to be lower than those found in the normal population, suggesting possible neuroendocrine dysfunction post-TBI. ADH levels (mean: 67.93 pmol/L, median 56.474 pmol/L SD = 47.67) were higher than the normal range and associated with the need for surgery (p = 0.048). Surprisingly, copeptin and ADH levels negatively correlated (r = - 0.491; p < 0.001), potentially due to differences in degradation processes and physiological variations in TBI patients. CONCLUSION Copeptin shows potential as a predictive biomarker for assessing TBI severity and predicting patient outcome. However, its complex relationship with ADH in TBI requires further investigation. Careful interpretation is needed due to potential variations in excretion dynamics and metabolism. Larger studies on TBI patient cohorts are essential to validate copeptin as a reliable biomarker and improve patient care in TBI.
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Affiliation(s)
- Alina Săcărescu
- Department of Medical Specialties III, "Grigore T. Popa" University of Medicine and Pharmacy, Universității 16, Iași 700115, Romania; Department of Neurology, Clinical Rehabilitation Hospital, Pantelimon Halipa 14, Iași 700661, Romania.
| | - Iulia-Cătălina Pleşca
- Faculty of Mathematics, "Alexandru Ioan Cuza" University, Bulevardul Carol I 11, Iași 700506, Romania
| | - Mihaela-Dana Turliuc
- Department of Surgery II, "Grigore T. Popa" University of Medicine and Pharmacy, Universității 16, Iași 700115, Romania; Department of Neurosurgery I, "Prof. Dr. N. Oblu" Clinical Emergency Hospital, Ateneului 2, Iași 700309, Romania
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Dyrka K, Dzialach L, Niedziela M, Jonczyk-Potoczna K, Derwich K, Obara-Moszynska M. Central Diabetes Insipidus in Children as a Diagnostic Challenge. Clin Pediatr (Phila) 2024; 63:1044-1055. [PMID: 37798950 DOI: 10.1177/00099228231202607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Central diabetes insipidus (CDI) is a disorder in the pediatric population resulting from antidiuretic hormone deficiency. The excessive production of dilute urine characterizes it and manifests with polyuria, nocturia, and polydipsia. The diagnostics of CDI is often challenging, especially concerning the underlying condition of the disease. This article highlights the diverse clinical presentation of children with CDI and diagnostic difficulties among patients with polyuria and polydipsia. The article also reviews the etiology, symptoms, diagnostic workup, and management of CDI. We present 4 pediatric patients (aged 3-13.5 years) diagnosed with CDI of different etiology: 1 due to septo-optic dysplasia/optic nerve hypoplasia and 3 due to acquired processes such as Langerhans cell histiocytosis and germ cell tumor in 2 patients. Central diabetes insipidus was the first manifestation of a tumor or granuloma in all presented patients with acquired pathology. The patients sometimes need long-term follow-up to establish the proper final diagnosis.
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Affiliation(s)
- Kamil Dyrka
- Department of Pediatric Endocrinology and Rheumatology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
| | - Lukasz Dzialach
- Department of Pediatric Endocrinology and Rheumatology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
- Department of Internal Medicine, Endocrinology and Diabetes, Medical University of Warsaw, Warsaw, Poland
| | - Marek Niedziela
- Department of Pediatric Endocrinology and Rheumatology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Jonczyk-Potoczna
- Department of Pediatric Radiology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
| | - Monika Obara-Moszynska
- Department of Pediatric Endocrinology and Rheumatology, Institute of Pediatrics, Poznan University of Medical Sciences, Poznan, Poland
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Moodley N. Copeptin analysis in endocrine disorders. Front Endocrinol (Lausanne) 2023; 14:1230045. [PMID: 37859988 PMCID: PMC10583572 DOI: 10.3389/fendo.2023.1230045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 08/21/2023] [Indexed: 10/21/2023] Open
Abstract
Copeptin is cleaved from the same precursor as arginine vasopressin and is released in equimolar amounts with arginine vasopressin from the posterior pituitary in response to the same stimuli. Its level of stability in the blood, quick and simple analysis, and ease of automation make it much easier to analyze than arginine vasopressin, thereby offering a suitable alternative to measuring arginine vasopressin in endocrine disorders. Research has demonstrated the suitability of copeptin in adults for the differentiation of arginine vasopressin resistance and arginine vasopressin deficiency from primary polydipsia, in addition to the early identification of arginine vasopressin deficiency following pituitary surgery; however, further research is still required in the Syndrome of Inappropriate Antidiuretic Hormone (SIADH) and the pediatric population.
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Affiliation(s)
- Nareshni Moodley
- Department of Chemical Pathology, Inkosi Albert Luthuli Central Hospital, National Health Laboratory Services, Durban, South Africa
- Department of Laboratory Medicine (Chemical Pathology), University of Kwa-Zulu Natal, Durban, South Africa
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Binder G, Weber K, Peter A, Schweizer R. Arginine-stimulated copeptin in children and adolescents. Clin Endocrinol (Oxf) 2023; 98:548-553. [PMID: 36710502 DOI: 10.1111/cen.14880] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/16/2022] [Accepted: 01/09/2023] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Copeptin is secreted in isomolar amounts along with arginine vasopressin peptide (AVP) from the neurohypophysis. Its stability makes it a perfect candidate for the endocrine approach in the diagnosis of AVP deficiency (AVPD; cranial diabetes insipidus; CDI). However, pediatric reference values are lacking. DESIGN AND PATIENTS This is a monocentric retrospective analysis of donated residual serum samples from 72 children and adolescents who underwent arginine or growth hormone-releasing hormone-arginine stimulation to test GH secretory capacity from 2018 to 2022. MEASUREMENTS Copeptin was measured in baseline, 30-, and 60-min samples by BRAHMS Copeptin proAVP Kryptor immunofluorescence assay. RESULTS Of the 72 patients, 4 suffered from complete AVPD (CDI). The baseline level of copeptin in the 68 non-AVPD (non-CDI) patients was highly variable (range: 1.3-44.4 pmol/L). The increase after arginine was moderate (30 min range: 1.6-40.4 pmol/L). The median baseline and peak copeptin levels were 5.6 and 8.0 pmol/L, respectively. The 2.5th percentile of the baseline and peak values of copeptin were 2.1 and 3.3 pmol/L, respectively. The increase and peak value of copeptin were inversely related to age (R = -.405; p = .011, and R = -.335; p = .0072, respectively) but not to gender, body mass index (standard deviation score) or GH secretion. In the four patients with AVPD (CDI), baseline or stimulated copeptin was below the 2.5th percentile of non-AVPD (non-CDI) patients. CONCLUSIONS Stimulated copeptin is a promising parameter for the differential diagnosis of polyuria-polydipsia syndrome. However, the low copeptin increase after arginine and the high limit of quantification of the assay are problematic for use in paediatrics.
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Affiliation(s)
- Gerhard Binder
- Pediatric Endocrinology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Karin Weber
- Pediatric Endocrinology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Andreas Peter
- Department for Diagnostic Laboratory Medicine, Institute for Clinical Chemistry and Pathobiochemistry, University Hospital Tübingen, Tübingen, Germany
| | - Roland Schweizer
- Pediatric Endocrinology, University Children's Hospital Tübingen, Tübingen, Germany
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Yun G, Baek SH, Kim S. Evaluation and management of hypernatremia in adults: clinical perspectives. Korean J Intern Med 2022; 38:290-302. [PMID: 36578134 PMCID: PMC10175862 DOI: 10.3904/kjim.2022.346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 11/29/2022] [Indexed: 12/30/2022] Open
Abstract
Hypernatremia is an occasionally encountered electrolyte disorder, which may lead to fatal consequences under improper management. Hypernatremia is a disorder of the homeostatic status regarding body water and sodium contents. This imbalance is the basis for the diagnostic approach to hypernatremia. We summarize the eight diagnostic steps of the traditional approach and introduce new biomarkers: exclude pseudohypernatremia, confirm glucose-corrected sodium concentrations, determine the extracellular volume status, measure urine sodium levels, measure urine volume and osmolality, check ongoing urinary electrolyte free water clearance, determine arginine vasopressin/copeptin levels, and assess other electrolyte disorders. Moreover, we suggest six steps to manage hypernatremia by replacing water deficits, ongoing water losses, and insensible water losses: identify underlying causes, distinguish between acute and chronic hypernatremia, determine the amount and rate of water administration, select the type of replacement solution, adjust the treatment schedule, and consider additional therapy for diabetes insipidus. Physicians may apply some of these steps to all patients with hypernatremia, and can also adapt the regimens for specific causes or situations.
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Affiliation(s)
- Giae Yun
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Seon Ha Baek
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
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Baba M, Alsbrook D, Williamson S, Soman S, Ramadan AR. Approach to the Management of Sodium Disorders in the Neuro Critical Care Unit. Curr Treat Options Neurol 2022. [DOI: 10.1007/s11940-022-00723-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Vaz de Castro PAS, Bitencourt L, de Oliveira Campos JL, Fischer BL, Soares de Brito SBC, Soares BS, Drummond JB, Simões E Silva AC. Nephrogenic diabetes insipidus: a comprehensive overview. J Pediatr Endocrinol Metab 2022; 35:421-434. [PMID: 35146976 DOI: 10.1515/jpem-2021-0566] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 01/26/2022] [Indexed: 12/14/2022]
Abstract
Nephrogenic diabetes insipidus (NDI) is characterized by the inability to concentrate urine that results in polyuria and polydipsia, despite having normal or elevated plasma concentrations of arginine vasopressin (AVP). In this study, we review the clinical aspects and diagnosis of NDI, the various etiologies, current treatment options and potential future developments. NDI has different clinical manifestations and approaches according to the etiology. Hereditary forms of NDI are mainly caused by mutations in the genes that encode key proteins in the AVP signaling pathway, while acquired causes are normally associated with specific drug exposure, especially lithium, and hydroelectrolytic disorders. Clinical manifestations of the disease vary according to the degree of dehydration and hyperosmolality, being worse when renal water losses cannot be properly compensated by fluid intake. Regarding the diagnosis of NDI, it is important to consider the symptoms of the patient and the diagnostic tests, including the water deprivation test and the baseline plasma copeptin measurement, a stable surrogate biomarker of AVP release. Without proper treatment, patients may developcomplications leading to high morbidity and mortality, such as severe dehydration and hypernatremia. In that sense, the treatment of NDI consists in decreasing the urine output, while allowing appropriate fluid balance, normonatremia, and ensuring an acceptable quality of life. Therefore, therapeutic options include nonpharmacological interventions, including sufficient water intake and a low-sodium diet, and pharmacological treatment. The main medications used for NDI are thiazide diuretics, nonsteroidal anti-inflammatory drugs (NSAIDs), and amiloride, used isolated or in combination.
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Affiliation(s)
- Pedro Alves Soares Vaz de Castro
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Letícia Bitencourt
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Juliana Lacerda de Oliveira Campos
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Bruna Luisa Fischer
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Stephanie Bruna Camilo Soares de Brito
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Beatriz Santana Soares
- Division of Endocrinology, Department of Internal Medicine, Faculty of Medicine, UFMG, Belo Horizonte, Brazil
| | - Juliana Beaudette Drummond
- Division of Endocrinology, Department of Internal Medicine, Faculty of Medicine, UFMG, Belo Horizonte, Brazil
| | - Ana Cristina Simões E Silva
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
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He Y, Tan J, Han X. High-Resolution Computer Tomography Image Features of Lungs for Patients with Type 2 Diabetes under the Faster-Region Recurrent Convolutional Neural Network Algorithm. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:4147365. [PMID: 35509859 PMCID: PMC9061003 DOI: 10.1155/2022/4147365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/11/2022] [Accepted: 03/30/2022] [Indexed: 12/17/2022]
Abstract
The objective of this study was to adopt the high-resolution computed tomography (HRCT) technology based on the faster-region recurrent convolutional neural network (Faster-RCNN) algorithm to evaluate the lung infection in patients with type 2 diabetes, so as to analyze the application value of imaging features in the assessment of pulmonary disease in type 2 diabetes. In this study, 176 patients with type 2 diabetes were selected as the research objects, and they were divided into different groups based on gender, course of disease, age, glycosylated hemoglobin level (HbA1c), 2 h C peptide (2 h C-P) after meal, fasting C peptide (FC-P), and complications. The research objects were performed with HRCT scan, and the Faster-RCNN algorithm model was built to obtain the imaging features. The relationships between HRCT imaging features and 2 h C-P, FC-P, HbA1c, gender, course of disease, age, and complications were analyzed comprehensively. The results showed that there were no significant differences in HRCT scores between male and female patients, patients of various ages, and patients with different HbA1c contents (P > 0.05). As the course of disease and complications increased, HRCT scores of patients increased obviously (P < 0.05). The HRCT score decreased dramatically with the increase in the contents of 2 h C-P and FC-P after the meal (P < 0.05). In addition, the results of the Spearman rank correlation analysis showed that the course of disease and complications were positively correlated with the HRCT scores, while the 2 h C-P and FC-P levels after meal were negatively correlated with the HRCT scores. The receiver operating curve (ROC) showed that the accuracy, specificity, and sensitivity of HRCT imaging based on Faster-RCNN algorithm were 90.12%, 90.43%, and 83.64%, respectively, in diagnosing lung infection of patients with type 2 diabetes. In summary, the HRCT imaging features based on the Faster-RCNN algorithm can provide effective reference information for the diagnosis and condition assessment of lung infection in patients with type 2 diabetes.
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Affiliation(s)
- Yumei He
- Department of General Medicine, Affiliated Hospital of Yan'an University, Yan'an, 716000 Shaanxi, China
| | - Juan Tan
- Department of Traditional Chinese Medicine, Affiliated Hospital of Yan'an University, Yan'an, 716000 Shaanxi, China
| | - Xiuping Han
- Department of General Medicine, Affiliated Hospital of Yan'an University, Yan'an, 716000 Shaanxi, China
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Patti G, Napoli F, Fava D, Casalini E, Di Iorgi N, Maghnie M. Approach to the Pediatric Patient: Central Diabetes Insipidus. J Clin Endocrinol Metab 2022; 107:1407-1416. [PMID: 34993537 DOI: 10.1210/clinem/dgab930] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Indexed: 11/19/2022]
Abstract
Central diabetes insipidus (CDI) is a complex disorder in which large volumes of dilute urine are excreted due to arginine-vasopressin deficiency, and it is caused by a variety of disorders affecting the hypothalamic-posterior pituitary network. The differential diagnosis is challenging and requires a detailed medical history, physical examination, biochemical approach, imaging studies, and, in some cases, histological confirmation. Magnetic resonance imaging is the gold standard method for evaluating congenital or acquired cerebral and pituitary stalk lesions. Pituitary stalk size at presentation could be normal, but it may change over time, depending on the underlying condition, while other brain areas or organs may become involved during follow-up. Early diagnosis and treatment are crucial to avoid central nervous system damage and germ cell tumor dissemination and to minimize complications of multiple pituitary hormone defects. We provide a practical update on the diagnosis and management of patients with CDI and highlight several pitfalls that may complicate the differential diagnosis of conditions presenting with polyuria and polydipsia. The need for a careful and close follow-up of patients with apparently idiopathic CDI is particularly emphasized because the underlying condition may be recognized over time. The clinical scenario that we outline at the beginning of this article represents the basis for the discussion about how the etiological diagnosis of CDI can be overlooked and demonstrates how a water intake and urine output improvement can be a sign of progressive damage of both hypothalamus and anterior pituitary gland with associated pituitary hormonal deficiencies.
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Affiliation(s)
- Giuseppa Patti
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Flavia Napoli
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | - Daniela Fava
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Emilio Casalini
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Natascia Di Iorgi
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Mohamad Maghnie
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
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Shrestha DB, Jasaraj RB, Dhital R, Georges E, Havrylyan A. A Diagnostic Enigma of Central Versus Nephrogenic Diabetes Insipidus: What Does the Value of Copeptin Signify? Cureus 2022; 14:e22633. [PMID: 35371639 PMCID: PMC8959102 DOI: 10.7759/cureus.22633] [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: 12/08/2021] [Accepted: 02/25/2022] [Indexed: 11/09/2022] Open
Abstract
Diabetes insipidus (DI) is a rare disease characterized by hypotonic urine output and polydipsia. We report the case of a 50-year-old male admitted for diabetic ketoacidosis (DKA) in an intensive care unit with sepsis and alcoholic pancreatitis who later developed DI. He had a high copeptin level of >21.4 pmol/L, suggesting DI of nephrogenic origin. At presentation, he had DKA-associated osmotic diuresis. His later finding of elevated copeptin suggesting partial nephrogenic DI created a diagnostic enigma.
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Zhou M, Ou Y, Wu G, Li K, Peng J, Wang X, Che M, Gong H, Niu P, Liu Y, Feng Z, Qi S. Transcriptomic Analysis Reveals that Activating Transcription Factor 3/c-Jun/Lgals3 Axis Is Associated with Central Diabetes Insipidus after Hypothalamic Injury. Neuroendocrinology 2022; 112:874-893. [PMID: 34763342 DOI: 10.1159/000520865] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 08/26/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Hypothalamic injury causes several complicated neuroendocrine-associated disorders, such as water-electrolyte imbalance, obesity, and hypopituitarism. Among these, central diabetes insipidus (CDI), characterized by polyuria, polydipsia, low urine specific gravity, and deficiency of arginine vasopressin contents, is a typical complication after hypothalamic injury. METHODS CDI was induced by hypothalamic pituitary stalk injury in male animals. Behavioral parameters and blood sample were collected to evaluate the characteristics of body fluid metabolism imbalance. The brains were harvested for high-throughput RNA sequencing and immunostaining to identify pathophysiological changes in corresponding hypothalamic nuclei. RESULTS Based on transcriptomic analysis, we demonstrated the upregulation of the activating transcription factor 3 (Atf3)/c-Jun axis and identified Lgals3, a microglial activation-related gene, as the most significant target gene in response to the body fluid imbalance in CDI. Furthermore, we found that the microglia possessed elevated phagocytic ability, which could promote the elimination of arginine vasopressin neurons after hypothalamic injury. CONCLUSION Our findings suggested that the Atf3/c-Jun/Lgals3 axis was associated with the microglial activation, and might participate in the loss of functional arginine vasopressin neurons in CDI after hypothalamic injury.
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Affiliation(s)
- Mingfeng Zhou
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yichao Ou
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Guangsen Wu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Kai Li
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junjie Peng
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xingqin Wang
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Mengjie Che
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Haodong Gong
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Peirong Niu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Yawei Liu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhanpeng Feng
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Songtao Qi
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Canelo Moreno JM, Dios Fuentes E, Venegas Moreno E, Remón Ruíz PJ, Muñoz Gómez C, Piñar Gutiérrez A, Cárdenas Valdepeñas E, Kaen A, Soto Moreno A. Postoperative water and electrolyte disturbances after extended endoscopic endonasal transsphenoidal surgery. Front Endocrinol (Lausanne) 2022; 13:963707. [PMID: 36082073 PMCID: PMC9446080 DOI: 10.3389/fendo.2022.963707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Water and electrolyte disturbances are common after pituitary surgery and can generally be classified into transient hypotonic polyuria and transient or permanent diabetes insipidus (DI). The prevalence varies in the literature between 31-51% for transient hypotonic polyuria, 5.1-25.2% for transient DI, and 1-8.8% for permanent DI. OBJECTIVE The aim of this study was to identify the prevalence of water and electrolyte disturbances with polyuria and the preoperative and postoperative predictive factors in patients undergoing surgery with an extended endoscopic endonasal approach. MATERIAL AND METHODS This retrospective observational descriptive study included 203 patients with a diagnosis of pituitary adenoma who underwent their first transsphenoidal surgery via the extended endoscopic endonasal approach between April 2013 and February 2020. The diagnosis of water and electrolyte disturbances was based on the criterion for polyuria (>4 ml/kg/h). Postoperative polyuria was defined as those cases diagnosed during the immediate postsurgical period that resolved prior to discharge. Transient DI included all cases with a duration of less than 6 months but still present at hospital discharge, and permanent DI included cases lasting more than 6 months. RESULTS The overall prevalence of water and electrolyte disorders was 30.5% (62), and the prevalence of postoperative polyuria was 23.6% (48). The median number of desmopressin doses administered to patients with postoperative polyuria was one dose (interquartile range [IQR] 1-2), and thus the median duration of treatment was 0 days. The median initiation of desmopressin was the second day after surgery (IQR 1-2). The overall prevalence of DI was 6.89%. Among the patients with transient DI, the duration was less than 3 months in three patients (1.47%), and between 3 and 6 months in two (0.98%). Nine patients had permanent DI (4.43%). (4.43%). CONCLUSIONS The prevalence of electrolyte disturbances in our study was high, although similar to that found in the literature. Most of the cases were transient hypotonic polyuria that resolved within one day. The prevalence of transient DI in our cohort was lower than that described in the literature, while permanent DI was similar.
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Affiliation(s)
- Juan Manuel Canelo Moreno
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
- *Correspondence: Juan Manuel Canelo Moreno,
| | - Elena Dios Fuentes
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Eva Venegas Moreno
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Pablo Jesús Remón Ruíz
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Cristina Muñoz Gómez
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Ana Piñar Gutiérrez
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | | | - Ariel Kaen
- Unidad de Gestión Clínica de Neurocirugía, Virgen del Rocío University Hospital, Seville, Spain
| | - Alfonso Soto Moreno
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Biomedicina de Sevilla (IBIS), Virgen del Rocio University Hospital, Centro Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
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Săcărescu A, Turliuc MD, Brănișteanu DD. Role of copeptin in the diagnosis of traumatic neuroendocrine dysfunction. Neuropeptides 2021; 89:102167. [PMID: 34175655 DOI: 10.1016/j.npep.2021.102167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/08/2021] [Accepted: 06/20/2021] [Indexed: 11/22/2022]
Abstract
Traumatic neuroendocrine dysfunction may present with diabetes insipidus (DI) or with the syndrome of inappropriate antidiuretic hormone secretion (SIADH). Both these pathologies involve a disturbance in the antidiuretic hormone (ADH) secretion, causing dysnatremias. Diagnosis of posttraumatic ADH dysfunction is hampered by technical difficulties in ADH assessment, and relies mostly on non-specific serum sodium, serum and urine osmolality and diuresis, often leading to misdiagnosis in the acute care setting. Research now focuses on the diagnostic role of copeptin, a peptide secreted together with ADH in an equimolar fashion, and which can be accurately evaluated. Recent studies identified cut-off values of 2.6 pmol/L for baseline copeptin and of 4.9 and 3.8 pmol/L for hypertonic saline infusion and arginine infusion stimulated copeptin, respectively, for the diagnosis of DI in patients with polyuria-polydipsia syndrome. Although SIADH is more difficult to be explored due to its heterogeneity, a ratio of copeptin to urinary sodium below 30 pmol/mmol identifies euvolemic hyponatremia. Exploring the role of copeptin assessment in patients with traumatic brain injury (TBI) in the acute phase may improve their diagnosis accuracy, management and outcome.
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Affiliation(s)
- Alina Săcărescu
- Department of Medical Specialties II, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii, Iasi 700115, Romania; Department of Neurology, Clinical Rehabilitation Hospital, 14 Pantelimon Halipa, Iasi 700661, Romania.
| | - Mihaela-Dana Turliuc
- Department of Surgery II, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii, Iasi 700115, Romania; Department of Neurosurgery II, "Prof. Dr. N. Oblu" Clinical Emergency Hospital, 2 Ateneului, Iasi 700309, Romania
| | - Dumitru D Brănișteanu
- Department of Medical Specialties II, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii, Iasi 700115, Romania; Department of Endocrinology, "Sf. Spiridon" Clinical County Emergency Hospital", 1 Independentei, Iasi 700111, Romania
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14
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Jones B, Corredor M, Lteif A, Pittock S, Bornhorst J, Creo A. Use of Copeptin Levels to Predict the Resolution of Transient Postoperative SIADH. Horm Res Paediatr 2021; 93:258-262. [PMID: 32998133 DOI: 10.1159/000509549] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/18/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Copeptin levels reflect vasopressin activity and help classify osmoregulatory disorders. There is limited pediatric experience using copeptin to diagnose and manage diabetes insipidus, syndrome of inappropriate antidiuretic hormone secretion (SIADH), and bi- or tri-phasic postsurgical osmoregulatory disorders. In this report, we describe serial copeptin levels in an infant who developed transient SIADH after neurosurgery. CASE DESCRIPTION A 4-month-old infant with no prior pituitary dysfunction underwent endoscopic fenestration of a large arachnoid cyst (3.5 × 4.7 × 3.8 cm). He developed SIADH on postoperative day 4 with seizures, hyponatremia (sodium 121 mmol/L), and concentrated urine (535 mOsm/kg). His initial copeptin level was inappropriately high in the context of his hyponatremia. Copeptin levels decreased as his SIADH resolved. Serial copeptin levels correlated to the infant's increased ability to dilute urine. CONCLUSION Copeptin levels in this infant are consistent with levels described in adults and older children. Obtaining copeptin levels may improve providers' ability to quickly diagnose and manage SIADH amongst other heterogeneous causes of hyponatremia. Lastly, trending copeptin levels improved providers' ability to monitor SIADH progression, and may allow preemptive fluid titration for children with bi- or tri-phasic shifts in osmoregulation after neurological procedures.
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Affiliation(s)
- Brandon Jones
- Division of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Margarita Corredor
- Division of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Aida Lteif
- Division of Pediatric Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota, USA
| | - Siobhan Pittock
- Division of Pediatric Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota, USA
| | - Joshua Bornhorst
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Ana Creo
- Division of Pediatric Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota, USA,
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15
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Urwyler SA, Lustenberger S, Drummond JR, Soares BS, Vogt DR, Ammer N, Yuen KCJ, Ribeiro-Oliveira A, Christ-Crain M. Effects of oral macimorelin on copeptin and anterior pituitary hormones in healthy volunteers. Pituitary 2021; 24:555-563. [PMID: 33615399 PMCID: PMC8270818 DOI: 10.1007/s11102-021-01132-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/08/2021] [Indexed: 11/12/2022]
Abstract
PURPOSE The test with the highest diagnostic accuracy for diabetes insipidus is copeptin measurement after hypertonic saline infusion. However, the procedure is cumbersome and unpleasant due to rapid sodium increase. An oral stimulation test would be highly desirable. Macimorelin, an oral ghrelin agonist, is a newly approved diagnostic test for growth hormone (GH) deficiency, but its effects on copeptin/vasopressin are unknown and the effects on other pituitary hormones only scarcely investigated. METHODS In this prospective, interventional, proof-of-concept study Copeptin and anterior pituitary hormones were measured in 28 healthy volunteers on two test days at baseline, 30, 45, 60, 90 and 120 min after a single dose of macimorelin (first visit: 0.5 mg/kg, second visit: 0.75 mg/kg). RESULTS Baseline copeptin levels were 5.26 pmol/L [1.57, 6.81] and did not change after macimorelin intake (0.5 mg/kg: maximal median change 0.40 [- 0.49, 0.65] pmol/L, p = 0.442; 0.75 mg/kg: - 0.13 [- 0.45, 0.17] pmol/L, p = 0.442. Median GH levels increased from 3.67 mU/L with a maximal median change of 94.66 [IQR 56.5; 110.96] mU/L, p < 0.001. No effect was seen on cortisol, ACTH, LH and FSH levels. Prolactin (max. median change 100 [2.5; 146.5] mU/L, p = 0.004) and free thyroxine (fT4) (0.5 [0.2; 0.8] pmol/L, p < 0.001) increased, whereas TSH decreased (- 0.18 [- 0.22, - 0.09] mU/L, p < 0.001). CONCLUSION We confirm an increase of GH upon macimorelin in healthy volunteers. However, macimorelin did not stimulate copeptin and therefore does not provide an oral test alternative for the diagnosis of diabetes insipidus. Additionally, a stimulatory effect was seen for prolactin and fT4, but not for ACTH and gonadotropic hormones. REGISTRATION The trial was registered on ClinicalTrials.gov (NCT03844217) on February 18, 2019.
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Affiliation(s)
- Sandrine A Urwyler
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland.
- Department of Clinical Research, University Basel, Basel, Switzerland.
| | - Sven Lustenberger
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
- Department of Clinical Research, University Basel, Basel, Switzerland
| | - Juliana R Drummond
- Faculdade de Medicina da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Beatriz Santana Soares
- Faculdade de Medicina da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Deborah R Vogt
- Department of Clinical Research, Clinical Trial Unit, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | - Kevin C J Yuen
- Department of Neuroendocrinology, Barrow Neurological Institute, University of Arizona College of Medicine and Creighton School of Medicine, Phoenix, AZ, USA
| | | | - Mirjam Christ-Crain
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland
- Department of Clinical Research, University Basel, Basel, Switzerland
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16
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Nada A, Khan U, Ahsan H. Late magnetic resonance imaging findings in trauma-induced central diabetes insipidus: Case report and review of literature. Radiol Case Rep 2021; 16:1514-1517. [PMID: 33981375 PMCID: PMC8082041 DOI: 10.1016/j.radcr.2021.03.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 10/28/2022] Open
Abstract
We presented the late magnetic resonance imaging characteristics in a 47-year-old male who diagnosed with a permanent trauma-induced diabetes insipidus. The patient developed polyuria following a deceleration injury which has been diagnosed as central diabetes insipidus based on the water deprivation test. Computed tomography or magnetic resonance evaluation of the pituitary gland is usually normal in such cases. Therefore, negative imaging studies do not exclude the diagnosis. However, MRI is more sensitive and can depict subtle injuries of the hypothalamus-pituitary axis in acute and late phases. The late MR imaging findings are not well established. To the best of our knowledge, this will be the first report to describe the late MR imaging features in a permanent case of trauma-induced diabetes insipidus.
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Affiliation(s)
- Ayman Nada
- Department of Radiology, University of Missouri, Columbia, MO
| | - Uzma Khan
- Department of Medicine-Endocrinology, University of Missouri, Columbia, MO
| | - Humera Ahsan
- Department of Radiology, University of Missouri, Columbia, MO
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Mutter CM, Smith T, Menze O, Zakharia M, Nguyen H. Diabetes Insipidus: Pathogenesis, Diagnosis, and Clinical Management. Cureus 2021; 13:e13523. [PMID: 33786230 PMCID: PMC7996474 DOI: 10.7759/cureus.13523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/23/2021] [Indexed: 12/22/2022] Open
Abstract
Diabetes insipidus (DI) is an endocrine condition involving the posterior pituitary peptide hormone, antidiuretic hormone (ADH). ADH exerts its effects on the distal convoluted tubule and collecting duct of the nephron by upregulating aquaporin-2 channels (AQP2) on the cellular apical membrane surface. DI is marked by expelling excessive quantities of highly dilute urine, extreme thirst, and craving for cold water. The two main classifications of DI are central diabetes insipidus (CDI), characterized by a deficiency of the posterior pituitary gland to release ADH, and nephrogenic diabetes insipidus (NDI), characterized by the terminal distal convoluted tubule and collecting duct resistance to ADH. The two less common classifications include dipsogenic DI, characterized by excessive thirst due to a low osmotic threshold, and gestational DI, characterized by increased concentration of placental vasopressinase during pregnancy. Treatment of DI is dependent on the disease classification, but severe complications may arise if not tended to appropriately. The most important step in symptom management is maintaining fluid intake ahead of fluid loss with emphasis placed on preserving the quality of life. The most common treatment of CDI and gestational DI is the administration of synthetic ADH, desmopressin (DDAVP). Nephrogenic treatment, although more challenging, requires discontinuation of medications as well as maintaining a renal-friendly diet to prevent hypernatremia. Treatment of dipsogenic DI is mainly focused on behavioral therapy aimed at regulating water intake and/or administration of antipsychotic pharmaceutical therapy. Central and nephrogenic subtypes of DI share a paradoxical treatment in thiazide diuretics.
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Affiliation(s)
- Cody M Mutter
- Basic Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Trevor Smith
- Basic Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Olivia Menze
- Basic Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Mariah Zakharia
- Basic Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Hoang Nguyen
- Basic Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
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18
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Patti G, Ibba A, Morana G, Napoli F, Fava D, di Iorgi N, Maghnie M. Central diabetes insipidus in children: Diagnosis and management. Best Pract Res Clin Endocrinol Metab 2020; 34:101440. [PMID: 32646670 DOI: 10.1016/j.beem.2020.101440] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Central diabetes insipidus (CDI) is a complex disorder in which large volumes of dilute urine are excreted due to arginine-vasopressin deficiency, and it is caused by a variety of conditions (genetic, congenital, inflammatory, neoplastic, traumatic) that arise mainly from the hypothalamus. The differential diagnosis between diseases presenting with polyuria and polydipsia is challenging and requires a detailed medical history, physical examination, biochemical approach, imaging studies and, in some cases, histological confirmation. Magnetic resonance imaging is the gold standard method for evaluating the sellar-suprasellar region in CDI. Pituitary stalk size at presentation is variable and can change over time, depending on the underlying condition, and other brain areas or other organs - in specific diseases - may become involved during follow up. An early diagnosis and treatment are preferable in order to avoid central nervous system damage and the risk of dissemination of germ cell tumor, or progression of Langerhans Cell Histiocytosis, and in order to start treatment of additional pituitary defects without further delay. This review focuses on current diagnostic work-up and on the role of neuroimaging in the differential diagnosis of CDI in children and adolescents. It provides an update on the best approach for diagnosis - including novel biochemical markers such as copeptin - treatment and follow up of children and adolescents with CDI; it also describes the best approach to challenging situations such as post-surgical patients, adipsic patients, patients undergoing chemotherapy and/or in critical care.
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MESH Headings
- Adolescent
- Age of Onset
- Biomarkers/analysis
- Brain/diagnostic imaging
- Brain/pathology
- Child
- Diabetes Insipidus, Neurogenic/diagnosis
- Diabetes Insipidus, Neurogenic/epidemiology
- Diabetes Insipidus, Neurogenic/etiology
- Diabetes Insipidus, Neurogenic/therapy
- Diagnosis, Differential
- Diagnostic Imaging/methods
- Diagnostic Imaging/trends
- Diagnostic Techniques, Endocrine/trends
- Histiocytosis, Langerhans-Cell/complications
- Histiocytosis, Langerhans-Cell/diagnosis
- Histiocytosis, Langerhans-Cell/epidemiology
- Histiocytosis, Langerhans-Cell/therapy
- Humans
- Magnetic Resonance Imaging
- Polydipsia/diagnosis
- Polydipsia/epidemiology
- Polydipsia/etiology
- Polydipsia/therapy
- Polyuria/diagnosis
- Polyuria/epidemiology
- Polyuria/etiology
- Polyuria/therapy
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Affiliation(s)
- Giuseppa Patti
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy; Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Anastasia Ibba
- SSD Endocrinologia Pediatrica, Ospedale Pediatrico Microcitemico "A. Cao", AO Brotzu, Cagliari, Italy
| | - Giovanni Morana
- Department of Neurosciences, University of Turin, Turin, Italy; Department of Neuroradiology, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Flavia Napoli
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy
| | - Daniela Fava
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy; Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Natascia di Iorgi
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy; Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Mohamad Maghnie
- Department of Pediatrics, IRCCS Istituto Giannina Gaslini, University of Genova, Genova, Italy; Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy.
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