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Central diabetes insipidus

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https://www.readbyqxmd.com/read/29440241/-if-there-were-water-we-should-stop-and-drink-neurofibromatosis-presenting-with-diabetes-insipidus
#1
Rachel Barry, Antoinette O' Connor, Mohn Hazriq Awang, Orna O' Toole
A 58-year-old right-handed woman presented to our institution with a 1-month history of polydipsia and polyuria. She had a remote history of neurofibroma excision by dermatology and, on examination, was noted to meet the clinical diagnostic criteria for neurofibromatosis type 1. Laboratory investigations revealed hypernatraemia and elevated serum osmolality, accompanied by reduced urinary osmolality. A subsequent water deprivation test confirmed central diabetes insipidus, which responded to treatment with desmopressin...
February 11, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29424204/relation-between-change-in-treatment-for-central-diabetes-insipidus-and-body-weight-loss
#2
Ayako Ito, Aya Nozaki, Ichiro Horie, Takao Ando, Atsushi Kawakami
BACKGOUND: Patients with central diabetes insipidus (CDI) are known to lose weight because their polydipsia interferes with their nutritional intake. We retrospectively examined weight changes in CDI patients when they switched from nasal to oral desmopressin. METHODS: Twenty-three patients with CDI were included. Weight change was defined as an increase or decrease of more than 3 kg or 3% body weight. As factors contributing to the weight change, we studied the patients' clinical characteristics and quality of life (QOL) scores as determined by our original questionnaire...
February 8, 2018: Minerva Endocrinologica
https://www.readbyqxmd.com/read/29422070/copeptin-levels-and-commonly-used-laboratory-parameters-in-hospitalised-patients-with-severe-hypernatraemia-the-co-med-study
#3
Nicole Nigro, Bettina Winzeler, Isabelle Suter-Widmer, Philipp Schuetz, Birsen Arici, Martina Bally, Julie Refardt, Matthias Betz, Gani Gashi, Sandrine A Urwyler, Lukas Burget, Claudine A Blum, Andreas Bock, Andreas Huber, Beat Müller, Mirjam Christ-Crain
BACKGROUND: Hypernatraemia is common in inpatients and is associated with substantial morbidity. Its differential diagnosis is challenging, and delayed treatment may have devastating consequences. The most important hormone for the regulation of water homeostasis is arginine vasopressin, and copeptin, the C-terminal portion of the precursor peptide of arginine vasopressin, might be a reliable new parameter with which to assess the underlying cause of hypernatraemia. METHODS: In this prospective, multicentre, observational study conducted in two tertiary referral centres in Switzerland, 92 patients with severe hyperosmolar hypernatraemia (Na + > 155 mmol/L) were included...
February 9, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29404252/endoscopic-transsphenoidal-resection-of-craniopharyngioma
#4
Kong Yew Liew, Prepageran Narayanan, Vicknes Waran
Objectives  To demonstrate, step-by-step, the technique and efficacy of endoscopic transsphenoidal approach in resection of a suprasellar craniopharyngioma. Design  The video shows a step-by-step approach to the resection, covering the exposure, access, resection, and confirmation of resection and reconstruction. Setting  The surgery was performed in the University of Malaya Medical Centre, a tertiary referral center in the capital of Malaysia. Participants  Surgery was performed jointly by Professor Prepageran from the department of otorhinolaryngology and Professor Vicknes Waran from the division of neurosurgery...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29404247/endoscopic-endonasal-resection-of-retrochiasmatic-craniopharyngioma-with-fascia-lata-button-and-nasoseptal-flap-reconstruction
#5
Varun R Kshettry, Gurston Nyquist, James J Evans
Surgery for craniopharyngiomas can be challenging due to the involvement of multiple critical neurovascular structures. The expanded endoscopic endonasal approach can provide superior access to suprasellar craniopharyngiomas, particularly with retrochiasmatic extension and significant hypothalamic involvement. We describe the surgical technique used to treat a 30-year-old patient who presented with 4 weeks of worsening vision, fatigue, and memory loss. His vision was counting fingers at 1 feet on the right and 20/800 on the left with a temporal hemianopsia...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29378555/the-clinical-course-and-pathophysiological-investigation-of-adolescent-gestational-diabetes-insipidus-a-case-report
#6
Tatsuya Kondo, Miwa Nakamura, Sayaka Kitano, Junji Kawashima, Takeshi Matsumura, Takashi Ohba, Munekage Yamaguchi, Hidetaka Katabuchi, Eiichi Araki
BACKGROUND: Gestational diabetes insipidus (GDI) is a rare endocrine complication during pregnancy that is associated with vasopressinase overproduction from the placenta. Although increased vasopressinase is associated with placental volume, the regulation of placental growth in the later stage of pregnancy is not well known. CASE PRESENTATION: A 16-year-old pregnant woman was urgently transferred to our hospital because of threatened premature labor when the Kumamoto earthquakes hit the area where she lived...
January 30, 2018: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/29377134/critical-role-of-rabphilin-3a-in-the-pathophysiology-of-experimental-lymphocytic-neurohypophysitis
#7
Yoshinori Yasuda, Shintaro Iwama, Atsushi Kiyota, Hisakazu Izumida, Kohtaro Nakashima, Naoko Iwata, Yoshihiro Ito, Yoshiaki Morishita, Motomitsu Goto, Hidetaka Suga, Ryoichi Banno, Atsushi Enomoto, Masahide Takahashi, Hiroshi Arima, Yoshihisa Sugimura
Autoimmune hypophysitis (AH) is thought to be an autoimmune disease characterized by lymphocytic infiltration of the pituitary gland. Among AH pathologies, lymphocytic infundibulo-neurohypophysitis (LINH) represents infiltration of the neurohypophysis and/or the hypothalamic infundibulum, causing central diabetes insipidus due to insufficiency of arginine vasopressin (AVP) secretion. The pathophysiological and pathogenetic mechanisms underlying LINH are largely unknown. Clinically, differentiating LINH from other pituitary diseases accompanied by mass lesions, including tumors, has been often difficult because of similar clinical manifestations...
January 29, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29376448/desmopressin-and-nocturnal-voiding-dysfunction-clinical-evidence-and-safety-profile-in-the-treatment-of-nocturia
#8
Eric Chung
Nocturia is a common urinary condition experienced by both men and women. While desmopressin has historically been utilized to treat conditions such as central diabetes insipidus and primary nocturnal enuresis, there is an increased interest in the use of desmopressin in the management of adult nocturia. Areas covered: This article provides a review on the pathophysiology of nocturia and the clinical outcomes and safety profile of desmopressin in the management of adult nocturnal voiding dysfunction. Expert opinion: To date, desmopressin is the only anti-diuretic hormone that is approved for nocturia...
January 29, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29367474/cullin-associated-nedd8-dissociated-protein-1-a-novel-interactor-of-rabphilin-3a-deubiquitylates-rabphilin-3a-and-regulates-arginine-vasopressin-secretion-in-pc12-cells
#9
Kohtaro Nakashima, Seiji Takeuchi, Shintaro Iwama, Atsushi Kiyota, Yoshinori Yasuda, Naoko Iwata, Atsushi Enomoto, Hiroshi Arima, Yoshihisa Sugimura
The molecular mechanism involved in the exocytosis of arginine vasopressin (AVP) is not fully known. Rabphilin-3A has been suggested as a novel autoantigen in infundibulo-neurohypophysitis (LINH), which leads to central diabetes insipidus through insufficient secretion of AVP. However, the role of rabphilin-3A in the pathogenesis of LINH remains unclear. Thus, the aim of the present study was to identify proteins binding rabphilin-3A in the posterior pituitary. Using glutathione S-transferase (GST)-pulldown assays and proteomic analyses, cullin-associated NEDD8-dissociated protein 1 (CAND1) was identified as a rabphilin-3A-binding protein in the posterior pituitary...
January 23, 2018: Endocrine Journal
https://www.readbyqxmd.com/read/29343033/-clinical-features-and-prognosis-of-18-cases-of-primary-lymphocytic-hypophysitis
#10
Q Wei, G Q Yang, Y J Li, L Zang, Y Pei, J Du, W J Gu, J M Ba, Z H Lü, J T Dou, Y M Mu, J M Lu
Objective: To analyze clinical features, prognosis and treatment of lymphocytic hypophysitis (LYH). Methods: The clinical data, treatments and outcomes of 18 cases diagnosed as LYH at Chinese PLA General Hospital between January 2001 and July 2017 was respectively reviewed. Results: Eighteen patients with histology-proven LYH (13 females and 5 males ) were identified. All lymphocytic adenohypophysitis (LAH) were females(n=6), two of whom were associated with pregnancy. Eleven patients (6 females and 5 males) had lymphocytic panhypophysitis (LPH) and one(female) had hypothalamitis...
January 9, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29333830/-treatment-with-sublingual-desmopressin-in-two-infants-with-hydranencephaly-and-central-diabetes-insipidus
#11
Gustavo R Marín, Berta Baspineiro, Iris Vilca
Central diabetes insipidus is a rare disease in children caused by a deficiency of vasopressin. Its main clinical manifestations are polyuria and polydipsia. Brain malformations are one of the main causes. Desmopressin is the synthetic drug of choice for the treatment. One of the routes of administration is sublingual and its use in infants is very limited. We describe two infants with central diabetes insipidus and hydranencephaly who were successfully treated with sublingual desmopressin.
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29241593/rapid-differential-diagnosis-of-diabetes-insipidus-in-a-7-month-old-infant-the-copeptin-approach
#12
J Vergier, J Fromonot, A Alvares De Azevedo Macedo, A Godefroy, E Marquant, R Guieu, M Tsimaratos, R Reynaud
INTRODUCTION: Diabetes insipidus is characterized by hypoosmotic polyuria related to deficiency of arginine-vasopressin (AVP) secretion (central diabetes insipidus, CDI) or renal insensitivity to AVP (nephrogenic diabetes insipidus, NDI). The water deprivation test with assessment of AVP activity is currently the gold standard for differential diagnosis in patients presenting polyuria-polydipsia syndrome. Nevertheless, it can be dangerous without proper surveillance and its interpretation may be challenging...
January 2018: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29220526/anti-pd-l1-treatment-induced-central-diabetes-insipidus
#13
Chen Zhao, Sri Harsha Tella, Jaydira Del Rivero, Anuhya Kommalapati, Ifechukwude Ebenuwa, James Gulley, Julius Strauss, Isaac Brownell
Context: Immune checkpoint inhibitors, including anti-PD-1, anti-PD-L1 and anti-CTLA4 monoclonal antibodies, have been widely used in cancer treatment. They are known to cause immune-related adverse events (irAEs), which resemble autoimmune diseases. Anterior pituitary hypophysitis with secondary hypopituitarism is a frequently reported irAE, especially in patients receiving anti-CTLA4 treatment. In contrast, posterior pituitary involvement, such as central diabetes insipidus (DI), is relatively rare and is unreported in patients undergoing PD-1/PD-L1 blockade...
December 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29198444/endocrine-and-metabolic-assessment-in-adults-with-langerhans-cell-histiocytosis
#14
L Montefusco, S Harari, D Elia, A Rossi, C Specchia, O Torre, G Adda, M Arosio
CONTEXT: Diabetes insipidus (DI) is one of most common complications of Langerhans cell histiocytosis (LCH) but prevalence of anterior pituitary deficiencies and metabolic alterations have not been clearly defined yet. OBJECTIVES: Evaluate prevalence of endocrine and metabolic manifestations in a cohort of patients affected by Pulmonary LCH. METHODS: Observational cross-sectional study on 18 adults (7 M/11 F, 42±12years) studied for complete basal and dynamic endocrine lab tests and glucose metabolism...
November 29, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29193952/-transient-central-diabetes-insipidus-associated-with-pregnancy-case-report-and-bibliography-review
#15
Luis Francisco Del Carpio-Orantes, Olga Lidia Vera-Lastra, Lucía Carrazco-Ibarra, Alejandra Carrasco-Gómez, Martín Becerril-Ángeles, Patricia Ramos-Salazar, Jaime Martínez-Solano
IgG4-related disease is an inflammatory condition characterized by high levels of IgG4. It affects salivary and lacrimal glands, pancreas, lymph nodes, lungs or kidney. The diagnosis is based on identifying a histological pattern with a dense lymphocyte and plasmacyte infiltration, focal fibrosis or phlebitis, finding more than 10 IgG4 positive cells per high power field and/or IgG4/IgG ratio in plasma higher than 40%. We present a patient with Mikulicz's disease who meets histological findings required for the diagnosis of IgG4 related disease...
September 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29187641/vasopressin-stimulates-the-proliferation-and-differentiation-of-red-blood-cell-precursors-and-improves-recovery-from-anemia
#16
Balázs Mayer, Krisztián Németh, Miklós Krepuska, Vamsee D Myneni, Dragan Maric, John F Tisdale, Matthew M Hsieh, Naoya Uchida, Heon-Jin Lee, Michael J Nemeth, Kenn Holmbeck, Constance Tom Noguchi, Heather Rogers, Soumyadeep Dey, Arne Hansen, Jeffrey Hong, Ian Chow, Sharon Key, Ildikó Szalayova, Jerome Pagani, Károly Markó, Ian McClain-Caldwell, Lynn Vitale-Cross, W Scott Young, Michael J Brownstein, Éva Mezey
Arginine vasopressin (AVP) made by hypothalamic neurons is released into the circulation to stimulate water resorption by the kidneys and restore water balance after blood loss. Patients who lack this antidiuretic hormone suffer from central diabetes insipidus. We observed that many of these patients were anemic and asked whether AVP might play a role in red blood cell (RBC) production. We found that all three AVP receptors are expressed in human and mouse hematopoietic stem and progenitor cells. The AVPR1B appears to play the most important role in regulating erythropoiesis in both human and mouse cells...
November 29, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29186911/prostaglandin-e2-in-the-regulation-of-water-transport-in-renal-collecting-ducts
#17
REVIEW
Yuyuan Li, Yuanyi Wei, Feng Zheng, Youfei Guan, Xiaoyan Zhang
The kidney plays a central role in the regulation of the body water balance. The process of targeting the water channel aquaporin-2 (AQP2) on the apical plasma membrane of the collecting duct (CD) principal cells is mainly regulated by the antidiuretic peptide hormone arginine vasopressin (AVP), which is responsible for the maintenance of water homeostasis. Recently, much attention has been focused on the local factors modulating renal water reabsorption by AQP2 in the collecting ducts, especially prostaglandin E2 (PGE₂)...
November 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29120013/primary-polydipsia-in-the-medical-and-psychiatric-patient-characteristics-complications-and-therapy
#18
Clara Sailer, Bettina Winzeler, Mirjam Christ-Crain
Primary polydipsia (PP) has been defined as excessive intake of fluids. However, the pathogenesis of PP remains unexplored. Different theories include a dysfunction in the thirst mechanism, involvement of the hippocampus, stress-reducing behaviour and lesion occurrences in specific areas of the brain. Most studies have been performed in the psychiatric setting, indicating that PP coincides with schizophrenia, anxiety disorder and depression. However, an increasing number of case reports emphasise the incidence of PP in non-psychiatric patients...
November 9, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29117938/functional-characterization-of-avpr2-mutants-found-in-turkish-patients-with-nephrogenic-diabetes-insipidus
#19
Beril Erdem, Angela Schulz, Emel Saglar, Ferhat Deniz, Torsten Schoneberg, Hatice Mergen
Diabetes insipidus is a rare disorder characterized by an impairment in water balance because of the inability to concentrate urine. While central Diabetes insipidus is caused by mutations in the AVP, the reason for genetically determined nephrogenic Diabetes insipidus can be mutations in AQP2 or AVPR2. After release of AVP from posterior pituitary into blood stream it binds to AVPR2 which is one of the receptors for AVP and is mainly expressed in principal cells of collecting ducts of kidney. Receptor activation increases cAMP levels in principal cells, resulting in the incorporation of AQP2 into the membrane, finally increasing water reabsorption...
November 8, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29117664/pituitary-abscess-with-unusual-clinical-course
#20
Milica Medić Stojanoska, Duško Kozić, Mladen Bjelan, Petar Vuleković, Nada Vučković, Bojan Vuković, Branka Kovačev Zavišić
The aim is to present unusual clinical course and magnetic resonance imaging (MRI) features of pituitary abscess. A 59-year-old man presented with fever, polyuria, polydipsia and marked weight loss within the last two months. Basic endocrinology tests revealed the presence of anterior pituitary dysfunction, associated with central diabetes insipidus and increased levels of inflammatory markers. The presence of expansile sellar lesion, showing restricted diffusion signal pattern compatible with acute pituitary pyogenic abscess was found on MRI...
December 2016: Acta Clinica Croatica
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