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Diabetes insipidus

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https://www.readbyqxmd.com/read/27906863/bartter-s-and-gitelman-s-syndrome
#1
Hannsjörg W Seyberth, Stefanie Weber, Martin Kömhoff
PURPOSE OF REVIEW: The clinical presentations of Bartter's syndrome and Gitelman's syndrome will be reviewed including two most recently described hypokalemic salt-losing tubulopathies. By taking the quite heterogeneous presentations and the apparently different pathophysiologies as the basis, the applicability of the physiologic classification has been tested. RECENT FINDINGS: According to the physiologic approach, salt-losing tubulopathies can be divided into two major groups (with completely different tubular defects): first, disorders of the thick ascending limb of Henle's loop (loop disorders); second, disorders of the distal convolute tubule (DCT disorders)...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27903119/the-learning-curve-in-endoscopic-endonasal-resection-of-craniopharyngiomas
#2
Varun R Kshettry, Hyunwoo Do, Khaled Elshazly, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
OBJECTIVE There is a paucity of literature regarding the learning curve associated with performing endoscopic endonasal cranial base surgery. The purpose of this study was to determine to what extent a learning curve might exist for endoscopic endonasal resection in cases of craniopharyngiomas. METHODS A retrospective review was performed for all endoscopic endonasal craniopharyngioma resections performed at Thomas Jefferson University from 2005 to 2015. To assess for a learning curve effect, patients were divided into an early cohort (2005-2009, n = 20) and a late cohort (2010-2015, n = 23)...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27903117/risk-factors-associated-with-the-surgical-management-of-craniopharyngiomas-in-pediatric-patients-analysis-of-1961-patients-from-a-national-registry-database
#3
Joshua Bakhsheshian, Diana L Jin, Ki-Eun Chang, Ben A Strickland, Dan A Donoho, Steven Cen, William J Mack, Frank Attenello, Eisha A Christian, Gabriel Zada
OBJECTIVE Patient demographic characteristics, hospital volume, and admission status have been shown to impact surgical outcomes of sellar region tumors in adults; however, the data available following the resection of craniopharyngiomas in the pediatric population remain limited. The authors sought to identify potential risk factors associated with outcomes following surgical management of pediatric craniopharyngiomas. METHODS The Nationwide Inpatient Sample database and Kids' Inpatient Database were analyzed to include admissions for pediatric patients (≤ 18 years) who underwent a transcranial or transsphenoidal craniotomy for resection of a craniopharyngioma...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27892464/wnt5a-induces-renal-aqp2-expression-by-activating-calcineurin-signalling-pathway
#4
Fumiaki Ando, Eisei Sohara, Tetsuji Morimoto, Naofumi Yui, Naohiro Nomura, Eriko Kikuchi, Daiei Takahashi, Takayasu Mori, Alain Vandewalle, Tatemitsu Rai, Sei Sasaki, Yoshiaki Kondo, Shinichi Uchida
Heritable nephrogenic diabetes insipidus (NDI) is characterized by defective urine concentration mechanisms in the kidney, which are mainly caused by loss-of-function mutations in the vasopressin type 2 receptor. For the treatment of heritable NDI, novel strategies that bypass the defective vasopressin type 2 receptor are required to activate the aquaporin-2 (AQP2) water channel. Here we show that Wnt5a regulates AQP2 protein expression, phosphorylation and trafficking, suggesting that Wnt5a is an endogenous ligand that can regulate AQP2 without the activation of the classic vasopressin/cAMP signalling pathway...
November 28, 2016: Nature Communications
https://www.readbyqxmd.com/read/27889325/-langerhans-cell-histiocytosis-and-erdheim-chester-disease-a-continuity
#5
S Parreau, J Haroche, I Pommepuy, J F Emile, J C Bourras, F Archambeaud
INTRODUCTION: Erdheim-Chester disease and langerhans cell histiocytosis are two rare diseases separate on clinical, radiological and histological aspects. However, several cases involving both entities have been described. OBSERVATION: A 70-year-old man had a central diabetes insipidus, xanthelasmas, retroperitoneal fibrosis and osteosclerosis of the legs suggestive of Erdheim-Chester disease. Bone biopsy showed langerhans cell histiocytosis CD1a positive with the presence of BRAF V600E mutation...
November 23, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27888088/endoscopic-endonasal-management-of-rare-sellar-lesions-clinical-and-surgical-experience-on-78-cases-and-review-of-the-literature
#6
Teresa Somma, Domenico Solari, Andre Beer-Furlan, Lelio Guida, Bradley Otto, Daniel Prevedello, Luigi Maria Cavallo, Ricardo Carrau, Paolo Cappabianca
OBJECTIVE: In the present study we aim to provide further definition of a group of rare sellar pathologies treated by the endoscopic endonasal approach. MATHERIAL AND METHODS: A retrospective analysis of data obtained from a series of 1729 patients who underwent endoscopic endonasal surgery at two academic institutions (Università degli Studi di Napoli Federico II, Naples, Italy - between January 1997 and December 2013, and The Wexner Medical Center at The Ohio State University - between July 2010 and September 2015)...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27879307/unusual-cause-of-profound-weight-loss-in-a-young-woman
#7
Ashu Rastogi, Pavan Uppula, Kanchan Kumar Mukherjee, Anil Bhansali
A 27-year-old woman presented with anorexia, weight loss and psychiatric symptoms for the past 4 years. She did not have history of headache, visual disturbances or symptoms of raised intracranial pressure. She was sarcopenic with body mass index of 10.16 kg/m(2)Her systemic examination was normal except for temporal hemianopia suggesting a sellar/suprasellar lesion. Hormonal evaluation revealed pan-hypopituitarism with central diabetes insipidus. Subsequent neuroimaging revealed sellar-suprasellar mass lesion with intense contrast enhancement and leptomeningeal metastases...
November 22, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27878773/ramadan-fasting-in-patients-with-adrenal-insufficiency
#8
Mélika Chihaoui, Fatma Chaker, Meriem Yazidi, Wafa Grira, Zohra Ben Amor, Ons Rejeb, Hedia Slimane
AIM: The risks of fasting during Ramadan in patients with adrenal insufficiency are unknown. The aims of this study were to evaluate these risks in such patients, to determine the risk factors and finally to set some recommendations. METHODS: It is a cross-sectional study about 180 patients with known and treated adrenal insufficiency. The patients responded to a 14-item questionnaire concerning their knowledge about the disease and fasting during the last month of Ramadan...
November 23, 2016: Endocrine
https://www.readbyqxmd.com/read/27867130/bilateral-ossified-chronic-subdural-hematoma-presenting-as-diabetes-insipidus-a-case-report-and-literature-review
#9
REVIEW
Saquib Azad Siddiqui, Dattaraj Sawarkar, Pankaj Kumar Singh, Manmohanjit Singh, Bhawani S Sharma
No abstract text is available yet for this article.
November 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27857837/autoimmune-polyendocrinopathy-and-hypophysitis-after-puumala-hantavirus-infection
#10
Marlene Tarvainen, Satu Mäkelä, Jukka Mustonen, Pia Jaatinen
: Puumala hantavirus (PUUV) infection causes nephropathia epidemica (NE), a relatively mild form of haemorrhagic fever with renal syndrome (HFRS). Hypophyseal haemorrhage and hypopituitarism have been described in case reports on patients with acute NE. Chronic hypopituitarism diagnosed months or years after the acute illness has also been reported, without any signs of a haemorrhagic aetiology. The mechanisms leading to the late-onset hormonal defects remain unknown. Here, we present a case of NE-associated autoimmune polyendocrinopathy and hypopituitarism presumably due to autoimmune hypophysitis...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27851313/1678-transient-diabetes-insipidus-upon-discontinuation-of-a-vasopressin-infusion
#11
Karina Sundar, Ann Biesboer
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27845884/central-diabetes-insipidus-clinical-profile-that-suggests-organicity-in-peruvian-children-lima-peru-2001-2013
#12
Miguel Angel De Los Santos, Carlos Manuel Del Águila, Maria Isabel Rojas, Juan Manuel Falen, Oswaldo Nuñez, Eliana Manuela Chávez, Oscar Antonio Espinoza, Paola Marianella Pinto, Martha Rosario Calagua
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...
December 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27837386/cholesterol-granulomas-presenting-as-sellar-masses-a-similar-but-clinically-distinct-entity-from-craniopharyngioma-and-rathke-s-cleft-cyst
#13
Raúl A Hernández-Estrada, Varun R Kshettry, Ashley N Vogel, Mark T Curtis, James J Evans
PURPOSE: Cholesterol granulomas in the sella are rare and can mimic the appearance of craniopharyngioma or Rathke's cleft cysts. Information regarding the clinical presentation, imaging characteristics, and clinical course of sellar cholesterol granulomas can help clinicians to differentiate these lesions from other sellar cystic lesions. METHODS: We present three cases of sellar cholesterol granulomas. A literature review was performed for all cases of sellar cholesterol granulomas with individual patient data reported...
November 11, 2016: Pituitary
https://www.readbyqxmd.com/read/27832697/the-complete-response-to-targeted-drugs-without-surgery-or-radiotherapy-a-case-of-pituitary-metastasis-from-renal-cell-carcinoma
#14
Mehrdad Payandeh, Masoud Sadeghi, Edris Sadeghi
Pituitary gland metastasis was seen in elderly patients, and the incidence of pituitary metastasis is 1% to 4% of all cancer patients. Renal cell carcinoma is a primary malignancy in only 2.6% of pituitary metastases. We reported a 50-year-old man with pituitary metastasis from renal cell carcinoma that had signs of diabetes insipidus. He had multiple lesions in both lungs, and bone scan involved L12 and L1 vertebrates. He was treated with combination bevacizumab 600 mg/month and sunitinib 50 mg/D for four weeks with two weeks rest for 6 months...
September 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/27817141/mortality-in-adults-with-hypopituitarism-a-systematic-review-and-meta-analysis
#15
Sina Jasim, Fares Alahdab, Ahmed T Ahmed, Shrikant Tamhane, Larry J Prokop, Todd B Nippoldt, M Hassan Murad
PURPOSE: Hypopituitarism is a rare disorder with significant morbidity. To study the evidence on the association of premature mortality and hypopituitarism. METHODS: A comprehensive search of multiple databases: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, and Scopus was conducted through August, 2015. Eligible studies that evaluated patients with hypopituitarism and reported mortality estimates were selected following a predefined protocol...
November 5, 2016: Endocrine
https://www.readbyqxmd.com/read/27812776/critical-review-of-igg4-related-hypophysitis
#16
Junpei Shikuma, Kenshi Kan, Rokuro Ito, Kazuo Hara, Hiroyuki Sakai, Takashi Miwa, Akira Kanazawa, Masato Odawara
PURPOSE: IgG4-related hypophysitis is a rare disease, with only 34 cases published in English (2015). Available short reviews may not present complete details of IgG4-related hypophysitis. We aimed to survey case reports of IgG4-related hypophysitis, including abstracts of scientific meetings, in English and Japanese. METHODS: We searched for information about IgG4-related hypophysitis in PubMed and Igakuchuozasshi (Japan Medical Abstracts Society). Among 104 case reports found, we reviewed 84 fulfilling Leporati's diagnostic criteria...
November 3, 2016: Pituitary
https://www.readbyqxmd.com/read/27807328/-influence-of-preventive-use-of-vasopressin-tannate-on-diabetes-insipidus-and-serum-sodium-at-the-early-postoperation-of-craniopharyngioma
#17
Tao Xiong, Siyi Wanggou, Xuejun Li, Qing Liu, Xingjun Jiang, Zefeng Peng, Xianrui Yuan
To explore the influence of preventive use of vasopressin tannate on diabetes insipidus and serum sodium at the early postoperation of craniopharyngioma.
 Methods: The data of 83 patients, who underwent unilateral sub-frontal approach resection of craniopharyngioma between 2010 and 2014 by the same senior neurosurgeon, were retrospectively analyzed. The patients were divided into a vasopressin tannate group (used group) and a control group. The diabetes insipidus and serum sodium changes were compared between the two groups...
October 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27807002/diabetes-insipidus-induced-by-suspected-eosinophilic-granulomatous-with-polyangiitis
#18
Yinghui Xie, Hui Shao, Chenlin Dai, Zhongshu Ma
No abstract text is available yet for this article.
November 2, 2016: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27801330/-diabetes-insipidus-as-the-first-manifestation-of-langerhans-cell-histiocytosis-a-case-report-and-literatures-review
#19
L Wang, S L Hou, G G Wang, Q H Zhang
No abstract text is available yet for this article.
October 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/27793629/microsecond-simulation-of-human-aquaporin-2-reveals-structural-determinants-of-water-permeability-and-selectivity
#20
Siladitya Padhi, U Deva Priyakumar
Human aquaporin 2 (AQP2) from the family of aquaporins assumes great physiological importance, owing to its association with nephrogenic diabetes insipidus (NDI). The present study provides detailed insights into the transport properties of AQP2 with the use of microsecond-scale molecular dynamics simulations, and explains how these channels conduct water molecules while at the same time excluding other molecules. Water transport is seen to be diffusion-limited, with a barrier of only 1.6kcalmol(-1), and the channel is more water-permeable than other known aquaporins...
October 26, 2016: Biochimica et Biophysica Acta
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