Browse
You are looking at 31 - 40 of 1,472 items for
Search for other papers by Pamela Stratton in
Google Scholar
PubMed
Search for other papers by Neelam Giri in
Google Scholar
PubMed
Search for other papers by Sonia Bhala in
Google Scholar
PubMed
Search for other papers by Martha M Sklavos in
Google Scholar
PubMed
Search for other papers by Blanche P Alter in
Google Scholar
PubMed
Search for other papers by Sharon A Savage in
Google Scholar
PubMed
Search for other papers by Ligia A Pinto in
Google Scholar
PubMed
Fanconi anemia (FA), dyskeratosis congenita-related telomere biology disorders (DC/TBD), and Diamond–Blackfan anemia (DBA) are inherited bone marrow failure syndromes (IBMFS) with high risks of bone marrow failure, leukemia, and solid tumors. Individuals with FA have reduced fertility. Previously, we showed low levels of anti-Müllerian hormone (AMH), a circulating marker of ovarian reserve, in females with IBMFS. In males, AMH may be a direct marker of Sertoli cell function and an indirect marker of spermatogenesis. In this study, we assessed serum AMH levels in pubertal and postpubertal males with FA, DC/TBD, or DBA and compared this with their unaffected male relatives and unrelated healthy male volunteers. Males with FA had significantly lower levels of AMH (median: 5 ng/mL, range: 1.18–6.75) compared with unaffected male relatives (median: 7.31 ng/mL, range: 3.46–18.82, P = 0.03) or healthy male volunteers (median: 7.66 ng/mL, range: 3.3–14.67, P = 0.008). Males with DC/TBD had lower levels of AMH (median: 3.76 ng/mL, range: 0–8.9) compared with unaffected relatives (median: 5.31 ng/mL, range: 1.2–17.77, P = 0.01) or healthy volunteers (median: 5.995 ng/mL, range: 1.57–14.67, P < 0.001). Males with DBA had similar levels of AMH (median: 3.46 ng/mL, range: 2.32–11.85) as unaffected relatives (median: 4.66 ng/mL, range: 0.09–13.51, P = 0.56) and healthy volunteers (median: 5.81 ng/mL, range: 1.57–14.67, P = 0.10). Our findings suggest a defect in the production of AMH in postpubertal males with FA and DC/TBD, similar to that observed in females. These findings warrant confirmation in larger prospective studies.
Search for other papers by Yunting Lin in
Google Scholar
PubMed
Search for other papers by Endi Song in
Google Scholar
PubMed
Search for other papers by Han Jin in
Google Scholar
PubMed
Search for other papers by Yong Jin in
Google Scholar
PubMed
Background
Reproductive hormones may be a risk factor for cardiovascular disease (CVD), but their influence is often underestimated. Obesity can exacerbate the progression of CVD. Arterial stiffness (AS) is correlated with the risk of CVD. Brachial-ankle pulse wave velocity (baPWV) has served as a practical tool for assessing AS with broad clinical applications. This study aimed to investigate the association between reproductive hormones and baPWV in obese male and female subjects.
Methods
A retrospective case–control design was designed. AS was assessed using baPWV, with a baPWV ≥ 1400 cm/s indicating increased AS. Between September 2018 and October 2022, 241 obese subjects with increased AS were recruited from Ningbo Yinzhou No. 2 Hospital. The control group consisted of 241 obese subjects without increased AS. A 1:1 propensity score matching was performed to correct potential confounders by age and sex. We additionally performed a sex-based sub-analysis.
Results
Correlation analysis demonstrated that luteinizing hormone (LH) (r = 0.214, P = 0.001) and follicle-stimulating hormone (FSH) (r = 0.328, P < 0.001) were positively correlated with baPWV in obese male subjects. In the multivariate conditional logistic regression analysis, FSH (OR = 1.407, 95% CI = 1.040–1.902, P = 0.027) rather than LH (OR = 1.210, 95% CI = 0.908–1.612, P = 0.194) was independently and positively associated with increased AS in obese male subjects. However, there was no significant correlation between reproductive hormones and baPWV in women.
Conclusions
Our study identified FSH as a potential risk factor for arteriosclerosis in obese male subjects. This provides a novel and intriguing perspective on the pathogenesis of CVD in obese subjects.
Division of Endocrinology, Mid and South Essex NHS Trust, Broomfield, UK
Search for other papers by Saroj Kumar Sahoo in
Google Scholar
PubMed
Search for other papers by Jayakrishnan C Menon in
Google Scholar
PubMed
Search for other papers by Nidhi Tripathy in
Google Scholar
PubMed
Search for other papers by Monalisa Nayak in
Google Scholar
PubMed
Search for other papers by Subhash Yadav in
Google Scholar
PubMed
Objective
We studied the temporal course of hypothalamic–pituitary–adrenal (HPA) dysfunction in patients with coronavirus disease 2019 (COVID-19).
Methods
Three hundred and two patients (median age 54 years (interquartile range (IQR) 42–64), 76% males) were recruited. The HPA axis was evaluated by morning cortisol and adrenocorticotrophic hormone (ACTH) at admission (n = 232). Adrenal insufficiency (AI) during acute illness was defined using a morning cortisol <83 nmol/L. AI at 12 months follow-up was defined using a peak cortisol <406 nmol/L in the ACTH stimulation test (APST) (n = 90). Those with AI at 12 months were further assessed by APST every 6 months for recovery of hypoadrenalism.
Results
The median morning cortisol and ACTH levels during COVID-19 were 295 (IQR 133–460) nmol/L and 3.9 (0.8–6.9) pmol/L, respectively. AI was present in 33 (14%) patients; ACTH was elevated in three and low or inappropriately normal in the rest 30 patients. At 12 months, AI was seen in 13% (12/90) patients, with all cases being hypothalamic–pituitary in origin; five (42%) of them had not met the diagnostic criteria for AI during COVID-19. AI diagnosed at admission persisted at 12 months in seven patients and recovered in seven; the remaining 19 patients were lost to follow-up. The presence of AI at 12 months was independent of severity and steroid use during COVID-19. A morning cortisol <138 nmol/L during COVID-19 predicted the presence of AI at 12 months. All patients showed recovery of the HPA axis in the ensuing 12 months.
Conclusion
Central AI was common during acute COVID-19 and at 12 months of follow-up. AI can be late onset, developing after recovery from COVID-19, and was transient in nature.
School of Public Health, Ningxia Medical University, Yinchuan, Ningxia, China
Search for other papers by Chan Yang in
Google Scholar
PubMed
Search for other papers by Yadi Zhang in
Google Scholar
PubMed
Search for other papers by Juan Li in
Google Scholar
PubMed
Search for other papers by Xiaowei Liu in
Google Scholar
PubMed
Search for other papers by Jiangwei Qiu in
Google Scholar
PubMed
Search for other papers by Jiaxing Zhang in
Google Scholar
PubMed
Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, Ningxia, China
Search for other papers by Xiuying Liu in
Google Scholar
PubMed
Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, Ningxia, China
Search for other papers by Yuhong Zhang in
Google Scholar
PubMed
Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, Ningxia, China
Search for other papers by Yi Zhao in
Google Scholar
PubMed
In the last 40 years, there has been a notable rise in the occurrence of diabetes within China, leading to the country now having the highest number of individuals affected by this condition globally. This prospective observational study examined the effect of different baseline relative leukocyte telomere length (RTL) and the combined effect of baseline RTL and plasma phospholipid fatty acid (PPFA) on the risk of developing diabetes. Adults from Ningxia Province who underwent baseline and follow-up surveys were included in the study. The correlation between the baseline RTL and PPFA was investigated using a multiple linear regression model. The combined effects of baseline RTL and PPFA levels on the risk of developing type 2 diabetes mellitus (T2DM) were investigated using a Cox regression model with time as the covariate. A total of 1461 study subjects were included in this study. According to the diagnostic criteria of the Chinese Diabetes Society, 141 subjects developed T2DM during the follow-up period. The baseline age was negatively correlated with RTL. After adjustment for age, C16:0, C18:1 n-9, C20:4 n-6, C20:3 n-3, and monounsaturated fatty acid (MUFA) concentrations were negatively correlated with RTL. Multiple linear regression analysis showed that C16:0 and MUFA concentrations influenced RTL. Subjects with shorter RTL at baseline had a higher risk of developing diabetes than those with longer RTL. Subjects with shorter RTL and higher C16:0 and MUFA concentrations at baseline had a higher risk of developing T2DM than those with longer RTL and lower C16:0 and MUFA concentrations. Our findings indicated that PPFA affects changes in RTL. In addition, RTL and PPFA are associated with the occurrence of T2DM.
Search for other papers by Aglaia Kyrilli in
Google Scholar
PubMed
Search for other papers by Bernard Corvilain in
Google Scholar
PubMed
Department of Gynecology and Obstetrics, Copenhagen University Hospital (Hvidovre Hospital), Hvidovre, Denmark
Search for other papers by Sofie Bliddal in
Google Scholar
PubMed
Carelink Nærhospital, Roskilde, Denmark
Search for other papers by Dorthe Hansen Precht in
Google Scholar
PubMed
Institute of Clinical Medicine, Faculty of Health and Clinical Research, Copenhagen University, Copenhagen, Denmark
Search for other papers by Ulla Feldt-Rasmussen in
Google Scholar
PubMed
Université Libre de Bruxelles (ULB), Brussels, Belgium
Search for other papers by Kris Poppe in
Google Scholar
PubMed
Background
Thyroid autoimmunity (TAI) may be present in 1–17% of pregnant women. Monitoring of thyroid function in euthyroid pregnant women positive for anti-thyroperoxidase antibodies (TPOAb+) is recommended.
Objective
To determine the prevalence and possible clinical and biological risk factors of biochemical progression (rise in serum thyroid-stimulating hormone (TSH) > 2.5 mU/L) at second blood sampling during pregnancy, in euthyroid women (TSH ≤ 2.5 mU/L) according to their TPOAb status.
Methods
This study included demographic and biological data from two previously published cohorts (n = 274 women from August 1996 to May 1997 Copenhagen cohort, and n = 66 women from January 2013 to December 2014 Brussels cohort) having at least two measurements of TSH and free thyroxine (FT4) and at least one of TPOAb during spontaneously achieved singleton pregnancies.
Results
The majority of women studied did not show biochemical progression. Only 4.2% progressed, significantly more frequently among TPOAb+ women, as compared to TPOAb− group (9.4 vs 2.7%, P = 0.015). No rise in serum TSH > 4 mU/L at 2nd sampling was observed. Higher baseline TSH levels were associated with biochemical progression in both TPOAb+ (P = 0.05) and TPOAb− women (P < 0.001), whereas maternal age, BMI, multiparity, smoking, FT4, and TPOAb concentrations were not significantly different between women with and without progression.
Conclusions
Only a minority of euthyroid women with thyroid autoimmunity presented biochemical progression and none with a TSH > 4 mU/L. Larger studies are needed to better target the subset of women who would benefit most from repeated thyroid function monitoring during pregnancy.
Search for other papers by Li Zhang in
Google Scholar
PubMed
Search for other papers by Shuai Yan in
Google Scholar
PubMed
Search for other papers by Shen-ke Xie in
Google Scholar
PubMed
Search for other papers by Yi-tong Wei in
Google Scholar
PubMed
Search for other papers by Hua-peng Liu in
Google Scholar
PubMed
Search for other papers by Yin Li in
Google Scholar
PubMed
Search for other papers by Hai-bo Wu in
Google Scholar
PubMed
Search for other papers by Hai-liang Wang in
Google Scholar
PubMed
Search for other papers by Peng-Fei Xu in
Google Scholar
PubMed
Purpose:
This study aimed to investigate the relation of magnetic resonance image (MRI) features and immunohistochemistrical subtypes of pituitary microadenomas (PMAs) characterized by location and growth pattern.
Materials and methods:
A double-center, retrospective review of MRI characteristics was conducted in 57 PMA cases recorded from February 2014 to September 2023 and identified on the basis of 2017 WHO classification of pituitary gland tumors. The geometric center of the tumor was defined, and the possibility of PMA vertical or lateral growth pattern was evaluated according to ratio of maximum diameter between the X and Y axes.
Results:
Among the PMAs, somatotroph adenomas (STAs) significantly frequented the lateral–anteroinferior portion of pituitary gland (P=0.036). Lactotroph adenomas (LTAs) showed significant locational preference for the lateral–posteroinferior portion (P=0.037), and gonadotroph adenomas (GTAs) were predominately located in the central–anteroinferior portion (P=0.022). Furthermore, the PMAs in the suprasellar portion exhibited vertical extension with statistical significance (P=0.0).
Conclusion:
In our cohort, the micro-STAs were predominately located in the lateral–anteroinferior portion of pituitary gland, the micro-LTAs in the lateral–posteroinferior portion, and the micro-GTAs in the central–anteroinferior portion. The growth pattern of the PMAs was highly correlated with their vertical position instead of their immunohistochemistrical subtypes. Therefore, MRI shows potential in differentiating partial PMA subgroups, especially the cases in silent groups.
Search for other papers by Dandan Hu in
Google Scholar
PubMed
Search for other papers by Xiangguo Cong in
Google Scholar
PubMed
Search for other papers by Beibei Gao in
Google Scholar
PubMed
Search for other papers by Ying Wu in
Google Scholar
PubMed
Search for other papers by Qiong Shen in
Google Scholar
PubMed
Search for other papers by Lei Chen in
Google Scholar
PubMed
Background:
Evidence has demonstrated that visceral fat area (VFA) and subcutaneous fat area (SFA) had different influences on cardiovascular disease (CVD) risk in patients with type 2 diabetes mellitus (T2DM). We aimed to investigate the relationship between the visceral fat area (VFA) to subcutaneous fat area (SFA) ratio (V/S) and carotid atherosclerosis (CAS) in patients with T2DM.
Methods:
From January 2018 to May 2023, 1,838 patients with T2DM admitted to the National Metabolic Management Centre in our hospital were assigned to two groups based on comorbid CAS. Dual bioelectrical impedance analysis was used to measure the VAF and SFA, and the V/S was calculated. Patient characteristics and serum biochemical indices were compared between groups. Factors influencing comorbid CAS were determined, and correlations between V/S and other clinical indices were analyzed.
Results:
The group with comorbid CAS included 858 individuals and 980 without comorbid CAS. Those with comorbid CAS were older and had a longer disease duration, more significant systolic blood pressure, and greater V/S. The proportions of patients with comorbid hypertension increased significantly with the V/S ratio. The V/S ratio positively correlated with triglyceride (TG), low-density lipoprotein cholesterol levels, and waist circumference. According to binary logistic regression analysis, V/S was an independent risk factor for CAS.
Conclusion:
Elevated V/S is an independent risk factor for CAS in patients with T2DM.
Search for other papers by Dafydd Aled Rees in
Google Scholar
PubMed
Search for other papers by Deborah P Merke in
Google Scholar
PubMed
Search for other papers by Wiebke Arlt in
Google Scholar
PubMed
Search for other papers by Aude Brac De La Perriere in
Google Scholar
PubMed
Search for other papers by Angelica Linden Hirschberg in
Google Scholar
PubMed
Search for other papers by Anders Juul in
Google Scholar
PubMed
Search for other papers by John Newell-Price in
Google Scholar
PubMed
Search for other papers by Alessandro Prete in
Google Scholar
PubMed
Search for other papers by Nicole Reisch in
Google Scholar
PubMed
Search for other papers by Nike M Stikkelbroeck in
Google Scholar
PubMed
Search for other papers by Philippe A Touraine in
Google Scholar
PubMed
Search for other papers by Alex Lewis in
Google Scholar
PubMed
Search for other papers by John Porter in
Google Scholar
PubMed
Search for other papers by Helen Coope in
Google Scholar
PubMed
Search for other papers by Richard J Ross in
Google Scholar
PubMed
Background
Prednisolone and prednisone are recommended treatment options for adults with congenital adrenal hyperplasia (CAH); however, there is no randomised comparison of prednis(ol)one with hydrocortisone.
Design
Six-month open-label randomised phase 3 study and interim analysis of a single-arm extension study was the design of the study.
Methods
The method of the study was hydrocortisone dose equivalent and 09:00-h 17-hydroxyprogesterone (17OHP) from 48 patients taking prednis(ol)one at baseline.
Results
At baseline, the median hydrocortisone dose equivalent was 30 mg/day and 17OHP was < 36 nmol/L (3× upper limit of normal) in 56% of patients. Patients were randomised to continue prednis(ol)one or switch to modified-release hydrocortisone capsule (MRHC) at the same hydrocortisone-equivalent dose. At 4 weeks, 94% on MRHC and 71% on prednis(ol)one had 17OHP < 36 nmol/L. At 18 months in the extension study of MRHC, the median MRHC dose was 20 mg/day and 82% had 17OHP < 36 nmol/L. The per cent of patients with 17OHP < 36 nmol/L on a hydrocortisone dose equivalent ≤ 25 mg/day was greater at 18 months in the extension study on MRHC than while on prednis(ol)one at baseline: 57% vs 27%, P = 0.04. In the randomised study, no patients had an adrenal crisis on MRHC and one on prednisolone. In the extension study (221 patient years), there were 12 adrenal crises in 5 patients (5.4/100 patient years).
Conclusion
MRHC reduces 17OHP at 09:00 h compared to prednis(ol)one and the dose of MRHC can be down-titrated over time in the majority of patients.
Search for other papers by Clara Lundetoft Clausen in
Google Scholar
PubMed
Search for other papers by Trine Holm Johannsen in
Google Scholar
PubMed
Search for other papers by Niels Erik Skakkebæk in
Google Scholar
PubMed
Search for other papers by Hanne Frederiksen in
Google Scholar
PubMed
Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
Search for other papers by Anders Juul in
Google Scholar
PubMed
Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
Search for other papers by Thomas Benfield in
Google Scholar
PubMed
In the context of severe coronavirus disease 2019 (COVID-19) illness, we examined endogenous glucocorticoid concentrations, steroidogenic enzyme activity, and their correlation with inflammation and patient outcomes. This observational study included 125 hospitalized COVID-19 patients and 101 healthy individuals as a reference group. We utilized LC-MS to assess serum concentrations of 11-deoxycortisol, cortisol, and cortisone, as well as activities of steroidogenic enzymes (11β-hydroxylase and 11β-hydroxysteroid-dehydrogenase type 1). Cox proportional hazards regression analysis and competing risk analysis were employed to analyze associations between glucocorticoid concentrations and outcomes, adjusting for relevant factors. In patients with COVID-19, cortisol concentrations were higher and cortisone concentrations were lower compared to the reference group, while 11-deoxycortisol concentrations were similar. Steroidogenic enzyme activity favored cortisol production. Correlations between glucocorticoid concentrations and inflammatory markers were low. A doubling in concentrations cortisol, was associated with increased 90-day mortality and mechanical ventilation (HR: 2.40 95% CI: (1.03–5.59) , P = 0.042 and HR: 3.83 (1.19–12.31), P = 0.024). A doubling in concentrations of 11-deoxycortisol was also associated to mortality (HR: 1.32 (1.05–1.67), P = 0.018), whereas concentrations of cortisone were associated with mechanical ventilation (HR: 5.09 (1.49–17.40), P = 0.009). In conclusion, serum concentrations of glucocorticoid metabolites were altered in patients hospitalized with severe COVID-19, and steroidogenic enzyme activity resulting in the conversion of cortisone to biologically active cortisol was preserved, thus not favoring critical-illness-related corticosteroid insufficiency at the enzymatic level. Glucocorticoid release did not counterbalance the hyperinflammatory state in patients with severe COVID-19. High serum concentrations of 11-deoxycortisol and cortisol were associated with 90-day mortality, and high serum concentrations of cortisol and cortisone were associated with mechanical ventilation.
Division of Epidemiology and Biometry, Carl von Ossietzky Universität, Oldenburg, Germany
Search for other papers by Julia Beckhaus in
Google Scholar
PubMed
Search for other papers by Maria Eveslage in
Google Scholar
PubMed
Search for other papers by Brigitte Bison in
Google Scholar
PubMed
Search for other papers by Carsten Friedrich in
Google Scholar
PubMed
Search for other papers by Hermann L Müller in
Google Scholar
PubMed
Objective
It is well known that both genetic background and lifestyle influence the development of ‘general’ obesity. However, the role of parental body mass index (BMI) on the development of obesity in long-term survivors of childhood-onset craniopharyngioma (CP) is not well understood. This study analyzed the correlation of patients’ BMI at diagnosis and last visit and parental BMI at CP diagnosis and further explored potential risk factors for obesity in CP patients.
Design
This is a registry-based retrospective cohort study.
Methods
In total,291 CP patients and their parents recruited in the German KRANIOPHARYNGEOM studies were included. Correlations between patient’s BMI SDS at CP diagnosis and last visit and parental BMI at CP diagnosis were analyzed. The associations between hypothalamic damage, maternal/paternal BMI and CP patients’ obesity at last visit were analyzed by multivariable logistic regression.
Results
At follow-up, 52% of CP patients developed obesity (BMI > 3SDS). Patient’s BMI SDS at last visit was moderately correlated with BMI-SDS at CP diagnosis (r = 0.48, 95% CI: 0.38–0.58, P < 0.001), and also with maternal BMI at diagnosis (r = 0.28, 95% CI: 0.17–0.38, P < 0.001) and paternal BMI at diagnosis (r = 0.3, 95% CI: 0.19–0.41, P < 0.001). However, the contributing role of parental BMI to the pathogenesis of obesity was small compared to the impact of hypothalamic damage.
Conclusion
We conclude that besides hypothalamic damage, parental disposition for obesity is associated with the development of obesity in patients after CP. Our results indicate that also the family situation could have an influence on the development of obesity after CP and might be a therapeutic target.
Significance statement
Survivors of childhood-onset craniopharyngioma are at risk of developing morbid obesity. So far, patients with posterior hypothalamic involvement and lesion were identified as a high risk group. With this study, the influence of parental body mass index on the risk of obesity was investigated. Patient’s body-mass-index at last visit was correlated with maternal and paternal body mass index at diagnosis. With increasing maternal or paternal body mass index, the likelihood of obesity in individuals with CP increased. Nevertheless, the parents’ weight had only a small effect on the development of patients’ obesity compared to hypothalamic damage.
