Department of Neurosurgery, 900TH Hospital of the Joint Logistics Support Force, Fuzhou, Fujian, China
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Purpose
We aimed to assess the factors influencing the development of diabetes insipidus after transsphenoidal surgery for pituitary adenomas.
Methods
A retrospective analysis was conducted on the clinical data of patients with pituitary adenomas who underwent transsphenoidal surgery. The predictors of postoperative diabetes insipidus were determined using statistical analysis.
Results
Of the 415 patients who underwent microscopic transsphenoidal surgery for pituitary adenomas, 196 experienced postoperative diabetes insipidus. The sinking depth of the diaphragma sellae and the difference between the preoperative and postoperative pituitary stalk deviation angles in the diabetes insipidus group were greater than those in the non-diabetes insipidus group. Logistic regression analysis showed that the risk of diabetes insipidus after transsphenoidal surgery was higher in patients with a larger difference in their pituitary stalk deviation angles (odds ratio = 2.407, 95% CI = 1.335–4.342; P = 0.004).
Conclusion
The difference in the pituitary stalk deviation angle could predict the onset of diabetes insipidus after transsphenoidal surgery for pituitary adenomas.
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Japan Endocrine Society
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European Society for Pediatric Endocrinology
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European Society of Endocrinology
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Wellcome-MRC Institute of Metabolic Science, University of Cambridge & Addenbrooke’s Hospital, Cambridge Biomedical Campus, Cambridge, UK
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Brazilian Society of Endocrinology and Metabolism
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Society for Endocrinology
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Endocrine Society of Australia
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Endocrine Society
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Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, UK
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Pituitary Society
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‘What’s in a name? That which we call a rose/By any other name would smell as sweet’ (Juliet, from Romeo and Juliet by William Shakespeare). Shakespeare’s implication is that a name is nothing but a word, and it therefore represents a convention with no intrinsic meaning. While this may be relevant to romantic literature, disease names do have real meanings, and consequences, in medicine. Hence, there must be a very good rationale for changing the name of a disease that has a centuries-old historical context. A working group of representatives from national and international endocrinology, and pediatric endocrine societies now proposes changing the name of ‘diabetes insipidus’ to ‘arginine vasopressin deficiency (AVP-D)’ for central etiologies, and ‘arginine vasopressin resistance (AVP-R)’ for nephrogenic etiologies. This article provides both the historical context and the rationale for this proposed name change.
Department of Clinical Research, University of Basel, Basel, Switzerland
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Department of Clinical Research, University of Basel, Basel, Switzerland
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Department of Clinical Research, University of Basel, Basel, Switzerland
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University Center of Cardiovascular Science & Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
German Center for Cardiovascular Research (DZHK), Partner Site Hamburg–Kiel–Lübeck, Hamburg, Germany
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Objective
Hyponatremia in COVID-19 is often due to the syndrome of inadequate antidiuresis (SIAD), possibly mediated by interleukin-6 (IL-6)-induced non-osmotic arginine vasopressin (AVP) secretion. We hypothesized an inverse association between IL-6 and plasma sodium concentration, stronger in COVID-19 compared to other respiratory infections.
Design
Secondary analysis of a prospective cohort study including patients with COVID-19 suspicion admitted to the Emergency Department, University Hospital of Basel, Switzerland, between March and July 2020.
Methods
We included patients with PCR-confirmed COVID-19 and patients with similar symptoms, further subclassified into bacterial and other viral respiratory infections. The primary objective was to investigate the association between plasma sodium and IL-6 levels.
Results
A total of 500 patients were included, 184 (37%) with COVID-19, 92 (18%) with bacterial respiratory infections, and 224 (45%) with other viral respiratory infections. In all groups, median (IQR) IL-6 levels were significantly higher in hyponatremic compared to normonatremic patients (COVID-19: 43.4 (28.4, 59.8) vs 9.2 (2.8, 32.7) pg/mL, P < 0.001; bacterial: 122.1 (63.0, 282.0) vs 67.1 (24.9, 252.0) pg/mL, P < 0.05; viral: 14.1 (6.9, 84.7) vs 4.3 (2.1, 14.4) pg/mL, P < 0.05). IL-6 levels were negatively correlated with plasma sodium levels in COVID-19, whereas the correlation in bacterial and other viral infections was weaker (COVID-19: R = −0.48, P < 0.001; bacterial: R = −0.25, P = 0.05, viral: R = −0.27, P < 0.001).
Conclusions
IL-6 levels were inversely correlated with plasma sodium levels, with a stronger correlation in COVID-19 compared to bacterial and other viral infections. IL-6 might stimulate AVP secretion and lead to higher rates of hyponatremia due to the SIAD in these patients.
Division of Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
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Department of Exercise Physiology, Child Development & Exercise Center, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
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Department of Radiology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
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Department of Radiology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
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Department of Exercise Physiology, Child Development & Exercise Center, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
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Division of Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
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Institute of Mathematics, Leiden University, Leiden, The Netherlands
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Division of Pediatric Oncology, University Medical Centre Groningen, Groningen, The Netherlands
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Division of Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
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Objective
Children with suprasellar brain damage are at risk of hypothalamic dysfunction (HD). HD may lead to decreased resting energy expenditure (REE). Decreased REE, however, is not present in all children with HD. Our aim was to assess which children suspect for HD have low REE, and its association with clinical severity of HD or radiological hypothalamic damage.
Patients and methods
A retrospective cohort study was performed. Measured REE (mREE) of children at risk of HD was compared to predicted REE (pREE). Low REE was defined as mREE <90% of predicted. The mREE/pREE quotient was associated to a clinical score for HD symptoms and to radiological hypothalamic damage.
Results
In total, 67 children at risk of HD (96% brain tumor diagnosis) with a mean BMI SDS of +2.3 ± 1.0 were included. Of these, 45 (67.2%) had low mREE. Children with severe HD had a significant lower mean mREE/pREE quotient compared to children with no, mild, or moderate HD. Mean mREE/pREE quotient of children with posterior hypothalamic damage was significantly lower compared to children with no or anterior damage. Tumor progression or tumor recurrence, severe clinical HD, and panhypopituitarism with diabetes insipidus (DI) were significant risk factors for reduced REE.
Conclusion
REE may be lowered in children with hypothalamic damage and is associated to the degree of clinical HD. REE is, however, not lowered in all children suspect for HD. For children with mild or moderate clinical HD symptoms, REE measurements may be useful to distinguish between those who may benefit from obesity treatment that increases REE from those who would be better helped using other obesity interventions.
National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
Department of Pathology, Huashan Hospital, Shanghai Medical School, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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National Center for Neurological Disorders, Shanghai, China
Shanghai Clinical Medical Center of Neurosurgery, Shanghai, China
Neurosurgical Institute of Fudan University, Shanghai, China
Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, Shanghai, China
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Introduction
Most studies reporting posterior pituitary tumors (PPTs) are small case series or single cases.
Methods
Patients with a histological diagnosis of PPT from January 2010 to December 2021 in a tertiary center were identified. We reported clinical symptoms, endocrine assessments, radiological and pathological features, and surgical outcomes of PPTs.
Results
A total of 51 patients (23 males, 51.3 ± 10.3 years old) with PPT were included in this study. Major symptoms were visual defects, headache, and hypopituitarism, while diabetes insipidus was uncommon (9.8%). The typical radiological feature was homogeneous enhancement (84.3%) of a regular-shaped mass on T1 contrast imaging without cystic change, calcification, or cavernous sinus invasion. We achieved gross total resection in 38/51 patients (74.5%). Pathologically, all tumors showed thyroid transcription factor 1 immunoreactivity. Among 29 patients with suprasellar PPTs, postoperative hemorrhage due to tumor residue was encountered in 2/15 cases in the transcranial group and 0/14 in the endoscopy group. Patients with spindle cell oncocytoma (SCO) were more likely to be surgically treated (25% vs 0%, P = 0.018), harbor a higher Ki-67 index (16.7% vs 0% > 5% P = 0.050), and present a lower 2-year recurrence-free survival rate (67.5% vs 90.9%) compared with patients with pituicytoma or granular cell tumor.
Conclusion
PPTs should be considered in the differential diagnosis of patients with sellar and suprasellar masses with a regular lesion with homogeneous enhancement. SCOs had high proliferation activity and risk of recurrence.
Department of Oncology and Metabolism, The Medical School, The University of Sheffield, Sheffield, UK
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Department of Oncology and Metabolism, The Medical School, The University of Sheffield, Sheffield, UK
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Objective
To evaluate ‘real-world’ safety and efficacy of the European Society of Endocrinology guidelines for the treatment of severe symptomatic hyponatraemia using hypertonic saline (HTS).
Design
Retrospective, observational, cohort study, examining the use of HTS for severe symptomatic hyponatraemia at Sheffield Teaching Hospitals between 2017 and 2020.
Methods
Patients were identified from pharmacy records and demographic, clinical, and treatment data extracted.
Results
Out of 112 patients (females:males = 61:51), the mean age ± s.d. was 66.3± 16.0 years and mean pre-treatment serum sodium ± s.d. was 113.8 ± 6.4 mmol/L. Overall, overcorrection rates at 24 and 48 h (>10 and >18 mmol/L) were 44.9 and 19.6%, respectively, while 19.6% of patients were treated for overcorrection. Above-target rise in sodium (>5 mmol/L) after first and second boluses was noted in 22.6 and 34.6% of patients, respectively. In-hospital and 12-month mortality was 7.1 and 18.7%, respectively, with no cases of osmotic demyelination. The mean venous blood gas (VBG) sodium was 1.9 mmol/L lower than paired serum sodium (n = 36) (113.6 ± 6.6 vs 115.7 ± 7.8 mmol/L).
Conclusion
We report real-world data demonstrating that a significant number of patients overcorrected using current guidelines. Also, several patients had above-target rise in sodium after one bolus of HTS, and sodium measurement should be considered before the second bolus unless ongoing severe symptoms persist. A point of care VBG sodium concentration was useful for this purpose. In addition to careful monitoring, a cautious but anticipatory overcorrection prevention strategy should be considered in the first 24 h.
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Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, Hunan, China
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Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, Hunan, China
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Objective
Ghrelin regulates body weight, food intake, and blood glucose. It also regulates insulin secretion from pancreatic islet cells. LEAP2 is a newly discovered endogenous ligand of the growth hormone secretagogue’s receptor (GHSR). It not only antagonizes the stimulation of GHSR by ghrelin but also inhibits the constitutive activation of GHSR as an inverse agonist. Type 2 diabetes (T2D) patients have endocrine disorders with metabolic imbalance. Plasma levels of ghrelin and LEAP2 may be changed in obese and T2D patients. However, there is no report yet on circulating LEAP2 levels or ghrelin/LEAP2 ratio in T2D patients. In this study, fasting serum ghrelin and LEAP2 levels in healthy adults and T2D patients were assessed to clarify the association of two hormones with different clinical anthropometric and metabolic parameters.
Design
A total of 16 females and 40 males, ages 23–68 years old normal (n = 27), and T2D patients (n = 29) were enrolled as a cross-sectional cohort.
Results
Serum levels of ghrelin were lower but serum levels of LEAP2 were higher in T2D patients. Ghrelin levels were positively correlated with fasting serum insulin levels and HOMA-IR in healthy adults. LEAP2 levels were positively correlated with age and hemoglobin A1c (HbA1c) in all tested samples. Ghrelin/LEAP2 ratio was negatively correlated with age, fasting blood glucose, and HbA1c.
Conclusions
This study demonstrated a decrease in serum ghrelin levels and an increase in serum LEAP2 levels in T2D patients. LEAP2 levels were positively correlated with HbA1c, suggesting that LEAP2 was associated with T2D development. The ghrelin/LEAP2 ratio was closely associated with glycemic control in T2D patients showing a negative correlation with glucose and HbA1c.
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Academic Centre for Growth, Erasmus University Medical Centre, Rotterdam, the Netherlands
Dutch Growth Research Foundation, Rotterdam, the Netherlands
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Diabeter, National Diabetes Care and Research Centre, Rotterdam, the Netherlands
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Department of Paediatrics, Leiden University Medical Centre, Leiden, the Netherlands
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Academic Centre for Growth, Erasmus University Medical Centre, Rotterdam, the Netherlands
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Introduction
Transition from paediatric to adult endocrinology can be challenging for adolescents, their families and healthcare professionals. Previous studies have shown that up to 25% of young adults with endocrine disorders are lost to follow-up after moving out of paediatric care. This poses a health risk for young adults, which can lead to serious and expensive medical acute and long-term complications.
Methods
In order to understand and prevent dropout, we studied electronic medical records of patients with endocrine disorders. These patients were over 15 years old when they attended the paediatric endocrine outpatient clinic (OPC) of our hospital in 2013–2014 and should have made the transfer to adult care at the time of the study.
Results
Of 387 adolescents, 131 had an indication for adult follow-up within our university hospital. Thirty-three (25%) were lost to follow-up. In 24 of them (73%), the invitation for the adult OPC had never been sent. We describe the failures in logistic processes that eventually led to dropout in these patients.
Conclusion
We found a 25% dropout during transfer from paediatric to adult tertiary endocrine care. Of all dropouts, 73% could be attributed to the failure of logistic steps. In order to prevent these dropouts, we provide practical recommendations for patients and paediatric and adult endocrinologists.
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Objective
Heterozygous CHD7 mutations cause a broad spectrum of clinical phenotypes ranging from typical CHARGE syndrome to self-limited delayed puberty. This study aimed to investigate the clinical characteristics of endocrine dysfunction in patients with CHD7 mutations.
Methods
The clinical features and endocrine findings from 30 patients with CHD7 variants were retrospectively reviewed. A diagnosis of CHARGE syndrome was based on the Verloes diagnostic criteria.
Results
Seventeen patients fulfilled the criteria for typical CHARGE syndrome, one patient for partial/incomplete CHARGE, and the remaining eleven patients had atypical CHARGE syndrome. One patient was diagnosed with Kallmann syndrome and unilateral deafness. The most frequently observed features were inner ear anomalies (80.0%), intellectual disability (76.7%), and external ear anomalies (73.3%). The mean height and weight SDSs at diagnosis were −2.6 ± 1.3 and −2.2 ± 1.8, respectively. Short stature was apparent in 18 patients (60%), and 1 patient was diagnosed with growth hormone deficiency. Seventeen males showed genital hypoplasia, including micropenis, cryptorchidism, or both. Seven patients after pubertal age had hypogonadotropic hypogonadism with hyposmia/anosmia and olfactory bulb hypoplasia. Truncating CHD7 mutations were the most common (n = 22), followed by missense variants (n = 3), splice-site variants (n = 2), and large deletion (n = 2).
Conclusions
A diverse phenotypic spectrum was observed in patients with CHD7 variants, and endocrine defects such as short stature and delayed puberty occurred in most patients. Endocrine evaluation, especially for growth and pubertal impairment, should be performed during diagnosis and follow-up to improve the patient’s quality of life.
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Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
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Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
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Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
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Objective
This retrospective study aimed to evaluate children observed for suspected precocious puberty in five Italian centers of Pediatric Endocrinology during the first wave of coronavirus disease 2019 pandemic (March–September 2020), compared to subjects observed in the same period of the previous year.
Design
The study population (490 children) was divided according to the year of observation and final diagnosis: transient thelarche, non-progressive precocious puberty, central precocious puberty (CPP), or early puberty.
Results
Between March and September 2020, 338 subjects were referred for suspected precocious puberty, compared to 152 subjects in the same period of 2019 (+122%). The increase was observed in girls (328 subjects in 2020 vs 140 in 2019, P < 0.05), especially during the second half of the period considered (92 girls from March to May vs 236 girls from June to September); while no difference was observed in boys (10 subjects in 2020 vs 12 in 2019). The percentage of girls with confirmed CPP was higher in 2020, compared to 2019 (135/328 girls (41%) vs 37/140 (26%), P < 0.01). Anthropometric and hormonal parameters in 2019 and 2020 CPP girls were not different; 2020 CPP girls showed more prolonged use of electronic devices and a more sedentary lifestyle both before and during the pandemic, compared to the rest of the 2020 population.
Conclusions
The present findings corroborate the recently reported association between the complex lifestyle changes related to the lockdown and a higher incidence of CPP in Italian girls.
