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Teodoro Durá-Travé Department of Pediatrics, School of Medicine, University of Navarra, Pamplona, Spain
Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain
Navarra Institute for Health Research (IdisNA), Pamplona, Spain

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Fidel Gallinas-Victoriano Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain

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María Malumbres-Chacon Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain

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Lotfi Ahmed-Mohamed Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain

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María Jesús Chueca -Guindulain Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain
Navarra Institute for Health Research (IdisNA), Pamplona, Spain

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Sara Berrade-Zubiri Department of Pediatrics, Navarra Hospital Complex, Pamplona, Spain
Navarra Institute for Health Research (IdisNA), Pamplona, Spain

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Objective

The objective of this study was to analyze whether some auxological characteristics or a single basal gonadotropin measurement will be sufficient to distinguish the prepubertal from pubertal status.

Methods

Auxologycal characteristics were recorded and serum LH and FSH were measured by immunochemiluminescence assays before and after GnRH stimulation test in a sample of 241 Caucasian girls with breast budding between 6- and 8-years old. Peak LH levels higher than 5 IU/L were considered a pubertal response. Area under the curve, cut-off points, sensitivity, and specificity for auxologycal variables and basal gonadotropins levels were determined by receiver operating curves.

Results

There were no significant differences in age at onset, weight, height, BMI and height velocity between both groups. Bone age was significantly higher in pubertal girls (P < 0.05), although with limited discriminatory capacity. The sensitivity and specificity for the basal LH levels were 89 and 82%, respectively, for a cut off point of 0.1 IU/L. All girls in the pubertal group had a basal LH higher than 1.0 IU/L (positive predictive value of 100%). There was a wide overlap of basal FSH and LH/FSH ratio between prepubertal and pubertal girls.

Conclusions

Auxologycal characteristics should not be used only in the differential diagnosis between prepubertal from pubertal status in 6- to 8-year-old girls. We found a high specificity of a single basal LH sample and it would be useful for establishing the diagnosis of puberty in this age group, reducing the need for GnRH stimulation testing.

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David Mark Robertson Department of Molecular and Translational Sciences, Hudson Institute of Medical Research, Monash University, Clayton, Victoria, Australia
School of Women’s & Children’s Health, Discipline of Obstetrics and Gynaecology, University of New South Wales, Sydney, Australia

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Chel Hee Lee Clinical Research Support Unit, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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Angela Baerwald Department of Obstetrics, Gynecology & Reproductive Sciences, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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It is recognised that ovarian factors, including steroid and protein hormones, are critical in the feedback regulation of pituitary gonadotropins; however, their individual contributions are less defined. The aim of this study was to explore the reciprocal relationships between ovarian and pituitary hormones across the normal ovulatory menstrual cycle as women age. FSH, LH, oestradiol, progesterone, inhibin A, inhibin B and anti-mullerian hormone (AMH) were measured in serum collected every 1–3 days across one interovulatory interval (IOI) from 26 healthy women aged 18–50 years. The antral follicle count (AFC) for follicles 2–5 mm, >6 mm and 2–10 mm were tabulated across the IOI. Independent associations between ovarian hormones/AFC vs pituitary follicle-stimulating hormone (FSH) and luteinising hormone (LH) were investigated using multivariate regression analysis. The data were sub-grouped based on the presence or absence luteal phase-dominant follicles (LPDF). Serum oestradiol and AMH were inversely correlated with FSH in both follicular and luteal phases. Inhibin B correlated inversely with FSH and LH in the late follicular phase and directly in the luteal phase. AFC, inhibin A and progesterone were not key predictors of either FSH or LH. The strong association between AMH and FSH with age implies that AMH, as well as oestradiol and inhibin B are important regulators of FSH. The change in feedback response of inhibin B with both FSH and LH across the cycle suggests two phases of the negative feedback.

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Andrew R Dismukes Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA
Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Vanessa J Meyer Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA
Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Elizabeth A Shirtcliff Department of Human Development and Family Studies, Iowa State University, Ames, Iowa, USA

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Katherine P Theall Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Kyle C Esteves Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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Stacy S Drury Tulane University School of Medicine, Department of Psychiatry, Division of Child and Adolescent Psychiatry, Tulane University, New Orleans, Louisiana, USA

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The current investigation examined the association between the aging-related biomarkers dehydroepiandrosterone (DHEA) and telomere length (TL) in community-recruited African-American youth. The examination of DHEA included stress reactive, basal and diurnal sampling, in order to elucidate the underlying physiological process that may overlap with TL. One hundred and two participants completed the Trier Social Stressor Test for children (TSST-C). TL was obtained from all youth from buccal swabs on the same day as the TSST-C. Saliva samples from 83 participants were obtained over the course of two additional days to measure waking and diurnal levels of DHEA. DHEA diurnal slope was a robust predictor of TL (B=0.516, P<0.05), while other DHEA values were not significantly associated with TL. This study is one of the first studies to examine basal, diurnal and reactivity measurements of DHEA in youth. Furthermore, this is the first study, to our knowledge, to demonstrate a positive association between DHEA, a putative anti-aging hormone, and TL, an indicator of cellular aging.

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Xi Wang Department of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

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Qi Yu Department of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

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Objective

To evaluate the safety and efficacy of letrozole in girls with progressive precocious puberty (PP) associated with McCune–Albright syndrome (MAS).

Design

Monocentric retrospective cross-sectional and longitudinal study of consecutive patients.

Patients

Ten MAS patients treated at Peking Union Medical College Hospital between September 1999 and December 2017 were retrospectively reviewed; those with complications due to PP were followed.

Results

The mean age at letrozole initiation was 4.5 ± 2.6 years, while the mean duration of treatment was 3.3 ± 2.4 years. Letrozole was highly effective at decreasing the rate of skeletal maturation, with a significant decrease in the bone age-to-chronological age (BA/CA) ratio from 1.9 ± 1.1 pre-treatment to 1.5 ± 1.2 on letrozole treatment (P = 0.016). Moreover, growth velocity Z-scores declined from 0.41 ± 0.5 to −0.2 ± 0.31 with treatment (P < 0.001). Predicted adult height Z-scores increased significantly from −2.03 ± 2.33 at baseline to 1.13 ± 0.84 following treatment initiation (P = 0.029). Moreover, vaginal bleeding declined significantly on letrozole.

Conclusions

Our findings suggest that letrozole may be an effective therapy in some girls with MAS, as treatment results in improved BA/CA ratio, growth velocity and predicted adult height. Possible adverse effects include nettle rash.

Open access
Jing Wang Tianjin Women’s and Children’s Health Center Tianjin, China
Chronic Disease Epidemiology Laboratory Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA

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Leishen Wang Tianjin Women’s and Children’s Health Center Tianjin, China

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Huikun Liu Tianjin Women’s and Children’s Health Center Tianjin, China

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Shuang Zhang Tianjin Women’s and Children’s Health Center Tianjin, China

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Junhong Leng Tianjin Women’s and Children’s Health Center Tianjin, China

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Weiqin Li Tianjin Women’s and Children’s Health Center Tianjin, China

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Tao Zhang Tianjin Women’s and Children’s Health Center Tianjin, China

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Nan Li Tianjin Women’s and Children’s Health Center Tianjin, China

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Wei Li Tianjin Women’s and Children’s Health Center Tianjin, China

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Andrea A Baccarelli Department of Environmental Health Sciences Columbia University Mailman School of Public Health, New York, New York, USA

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Lifang Hou Department of Preventive Medicine Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA

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Gang Hu Chronic Disease Epidemiology Laboratory Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA

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Previous studies found conflicting results about the associations between the exposure to hyperglycemia in utero and the later risks of childhood overweight and obesity. The aim of the present study is to compare the children’s BMI growth between offspring exposed to maternal gestational diabetes mellitus (GDM) and those not exposed and assess the associations between maternal GDM and their offspring’s overweight and obesity risk. We performed a large observational study in 1156 women and their offspring (578 GDM and 578 non-GDM mother–child pairs, matched by their offspring’s gender and age). Maternal GDM was diagnosed according to the World Health Organization criteria. Childhood height, weight, waist circumference, body fat and skinfold were measured using standardized methods. After adjustment for maternal and children’s characteristics, children born to mothers with GDM during pregnancy had higher mean values of Z scores for BMI-for-age, Z scores for weight-for-age, waist circumferences, body fat, subscapular skinfold and suprailiac skinfold, in comparison with their counterparts born to mothers with normal glucose during pregnancy (all P values <0.05). Moreover, maternal GDM was associated with a higher risk of childhood overweight and obesity with multivariate-adjusted odds ratios of 1.42 (95% confidence interval (CI): 1.02–1.97) and 1.18 (95% CI: 1.11–1.24), respectively, compared with the children of mothers without GDM during pregnancy. This study demonstrates that maternal GDM is an independent risk factor of childhood overweight and obesity and is associated with higher BMI in the offspring.

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Iulia Soare University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania

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Anca Sirbu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Endocrinology, Diabetes and Metabolic diseases, Elias Hospital, Bucharest, Romania

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Mihai Mircea Diculescu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Gastroenterology, Fundeni Clinical Institute, Bucharest, Romania

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Bogdan Radu Mateescu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Gastroenterology, Colentina Hospital, Bucharest, Romania

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Cristian Tieranu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Gastroenterology, Elias Hospital, Bucharest, Romania

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Sorina Martin University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Endocrinology, Diabetes and Metabolic diseases, Elias Hospital, Bucharest, Romania

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Carmen Gabriela Barbu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Endocrinology, Diabetes and Metabolic diseases, Elias Hospital, Bucharest, Romania

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Mirela Ionescu University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Gastroenterology, Elias Hospital, Bucharest, Romania

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Simona Fica University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, Bucharest, Romania
Department of Endocrinology, Diabetes and Metabolic diseases, Elias Hospital, Bucharest, Romania

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Background and aim

Low bone mineral density (BMD) is a common complication in patients with inflammatory bowel disease (IBD). However, debates are ongoing with regard to the other involved factors, especially in younger patients. This study aimed to evaluate the parameters that contribute to decreased BMD, focusing on premenopausal women and men aged <50 years.

Methods

This study included 81 patients with IBD and 81 age-, sex- and BMI-matched controls. Blood tests were conducted on IBD patients, and a dual-energy X-ray absorptiometry (DXA) scan was performed on both groups.

Results

Low BMD and fragility fracture were found to be more prevalent in IBD patients than in healthy subjects (49.3% vs 23.4%, P = 0.001 and 9.8% vs 1.2%, P = 0.01, respectively). Patients with low BMD were older, with a longer disease duration, higher faecal calprotectin (FC) levels and lower magnesium and lean mass (appreciated as appendicular skeletal muscle index (ASMI)). Multiple regression analysis revealed that ASMI, age and use of glucocorticoids were the independent parameters for decreased BMD. Although 91.3% of the patients had a 25-hydroxy vitamin D level of <30 ng/mL, it was not a statistically significant factor for decreased BMD.

Conclusion

In our study, the levels of vitamin D did not seem to have an important impact on BMD. Conversely, FC, magnesium and lean mass are important factors, suggesting that good control of disease, adequate magnesium intake and increased lean mass can have a good impact on bone metabolism in patients with IBD.

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Xue-Jiao Yang School of Public Health, Medical College of Soochow University, Suzhou, China

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Le-Yang Zhang Medical College of Soochow University, Suzhou, China

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Qing-Hua Ma The 3rd People’s Hospital of Xiangcheng District, Suzhou, China

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Hong-Peng Sun School of Public Health, Medical College of Soochow University, Suzhou, China

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Yong Xu School of Public Health, Medical College of Soochow University, Suzhou, China

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Xing Chen Department of Children Health Care, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China

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Chen-Wei Pan School of Public Health, Medical College of Soochow University, Suzhou, China

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Purpose:

We aimed to examine the associations of platelet parameters with the presence of metabolic syndrome in community-dwelling older Chinese adults.

Methods:

Study sample was from the Weitang Geriatric Diseases Study, which included 4338 individuals aged 60 years or above. The mean age of the participants was 68 years. Metabolic syndrome was defined based on the Adult Treatment Panel III criteria. Platelet parameters were assessed using an automated hematology analyzer. Multiple logistic regression models were fitted to examine relationships between the platelet parameters and the presence of metabolic syndrome after adjusting for potential confounders.

Results:

The adjusted odds ratio (95% CI) of metabolic syndrome for the highest quartile of platelet parameters (platelet count, mean platelet volume, plateletcrit, platelet distribution width, platelet larger cell ratio) when compared to the lowest quartile were 1.32 (1.06, 1.64), 1.00 (0.81, 1.24), 1.37 (1.10, 1.71), 1.45 (1.14, 1.83), 1.11 (0.89, 1.39), respectively. Hypertension and diabetes modified the relationship between platelet distribution width and metabolic syndrome with the associations being significant in hypertensive and non-diabetic groups. The levels of platelet distribution width increased with the risk of metabolic syndrome in men but not in women.

Conclusion:

The levels of platelet count, plateletcrit and platelet distribution width increased in older adults with metabolic syndrome, suggesting that these parameters may be useful biomarkers for further risk appraisal of metabolic syndrome in aged population.

Open access
Hsiao-Yun Yeh Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan
Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

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Hung-Ta Hondar Wu Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Division of Musculoskeletal Section, Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan

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Hsiao-Chin Shen Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan
Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan

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Tzu-Hao Li Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Foundation, Taipei, Taiwan
School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei, Taiwan

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Ying-Ying Yang Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan
Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

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Kuei-Chuan Lee Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

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Yi-Hsuan Lin Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan
Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

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Chia-Chang Huang Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan
Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan

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Ming-Chih Hou Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Veterans General Hospital, Taipei, Taiwan

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Objective

Previous studies have suggested that body mass index (BMI) should be considered when assessing the relationship between fatty liver (FL) and osteoporosis. The aim of this study was to investigate future fracture events in people with FL, focusing on the effect of BMI in both sexes.

Methods

This retrospective cohort study, spanning from 2011 to 2019, enrolled 941 people, including 441 women and 500 men, aged 50 years or older who underwent liver imaging (ultrasound, computed tomography, or magnetic resonance image) and dual-energy X-ray absorptiometry (for bone mineral density measurements). The study examined predictors of osteoporosis in both sexes and the effect of different ranges of BMI (18.5–24, 24–27, and ≥27 kg/m2) on the risk of future fracture events in FL patients.

Results

The average follow-up period was 5.3 years for women and 4.2 years for men. Multivariate analysis identified age and BMI as independent risk factors of osteoporosis in both sexes. Each unit increase in BMI decreased the risk of osteoporosis by ≥10%. In both women and men with FL, a BMI of 24–27 kg/m2 offered protection against future fractures, compared to those without FL and with a BMI of 18.5–24 kg/m2.

Conclusion

The protective effect of a higher BMI against future fractures in middle-aged and elderly female and male patients with FL is not uniform and diminishes beyond certain BMI ranges.

Open access
Marie Auzanneau Institute of Epidemiology and Medical Biometry, ZIBMT, Medical Faculty of Ulm University, Ulm, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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Alexander J Eckert Institute of Epidemiology and Medical Biometry, ZIBMT, Medical Faculty of Ulm University, Ulm, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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Andreas Fritsche German Center for Diabetes Research (DZD), Neuherberg, Germany
Department of Internal Medicine IV, University Hospital Tübingen, Germany
Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany

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Martin Heni Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany
Division of Endocrinology and Diabetology, Department of Internal Medicine 1, University Hospital Ulm, Ulm, Germany
Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital Tübingen, Tübingen, Germany

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Andrea Icks German Center for Diabetes Research (DZD), Neuherberg, Germany
Institute of Health Services Research and Health Economics, Center for Health and Society, Faculty of Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
Institute of Health Services Research and Health Economics, German Diabetes Center (DDZ), Leibniz Centre for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany

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Annabel S Mueller-Stierlin Department of General Practice and Primary Care, University Hospital Ulm, Um, Germany
Department of Psychiatry and Psychotherapy II, University Hospital Ulm, Um, Germany

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Ana Dugic Department of Gastroenterology, Klinikum Bayreuth, Medizincampus Oberfranken der Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Bayreuth, Germany

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Alexander Risse Diabetes Center at Sophie-Charlotte-Platz, Diabetes Foot Unit, Berlin, Germany

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Stefanie Lanzinger Institute of Epidemiology and Medical Biometry, ZIBMT, Medical Faculty of Ulm University, Ulm, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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Reinhard W Holl Institute of Epidemiology and Medical Biometry, ZIBMT, Medical Faculty of Ulm University, Ulm, Germany
German Center for Diabetes Research (DZD), Neuherberg, Germany

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Objective

To analyze the proportion of diabetes among all hospitalized cases in Germany between 2015 and 2020.

Methods

Using the nationwide Diagnosis-Related-Groups statistics, we identified among all inpatient cases aged ≥ 20 years all types of diabetes in the main or secondary diagnoses based on ICD-10 codes, as well all COVID-19 diagnoses for 2020.

Results

From 2015 to 2019, the proportion of cases with diabetes among all hospitalizations increased from 18.3% (3.01 of 16.45 million) to 18.5% (3.07 of 16.64 million). Although the total number of hospitalizations decreased in 2020, the proportion of cases with diabetes increased to 18.8% (2.73 of 14.50 million). The proportion of COVID-19 diagnosis was higher in cases with diabetes than in those without in all sex and age subgroups. The relative risk (RR) for a COVID-19 diagnosis in cases with vs without diabetes was highest in age group 40–49 years (RR in females: 1.51; in males: 1.41).

Conclusions

The prevalence of diabetes in the hospital is twice as high as the prevalence in the general population and has increased further with the COVID-19 pandemic, underscoring the increased morbidity in this high-risk patient group. This study provides essential information that should help to better estimate the need for diabetological expertise in inpatient care settings.

Open access
Charissa van Zwol-Janssens Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Aglaia Hage Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Kim van der Ham Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Birgitta K Velthuis Department of Radiology, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands

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Ricardo P J Budde Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands

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Maria P H Koster Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Arie Franx Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Bart C J M Fauser Department of Reproductive Medicine and Gynaecology, University Medical Center Utrecht & University of Utrecht, Utrecht, the Netherlands

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Eric Boersma Department of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Daniel Bos Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Joop S E Laven Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Yvonne V Louwers Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

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Besides age, estrogen exposure plays a crucial role in changes in bone density (BD) in women. Premature ovarian insufficiency (POI) and polycystic ovary syndrome (PCOS) are conditions in reproductive-aged women in which the exposure to estrogen is substantially different. Women with a history of preeclampsia (PE) are expected to have normal estrogen exposure. Within the CREw-IMAGO study, we investigated if trabecular BD is different in these women because of differences in the duration of estrogen exposure. Trabecular BD was measured in thoracic vertebrae on coronary CT scans. Women with a reduced estrogen exposure (POI) have a lower BD compared to women with an intermediate exposure (PE) (mean difference (MD) −26.8, 95% CI −37.2 to −16.3). Women with a prolonged estrogen exposure (PCOS) have the highest BD (MD 15.0, 95% CI 4.3–25.7). These results support the hypothesis that the duration of estrogen exposure in these women is associated with trabecular BD.

Significance statement

Our results suggest that middle-aged women with PCOS have a higher BD and women with POI have a lower BD. We hypothesized that this is due to either a prolonged estrogen exposure, as seen in women with PCOS, or a reduced estrogen exposure, as in women with POI. In the counseling of women with reproductive disorders on long-term health issues, coronary CT provides a unique opportunity to assess both coronary artery calcium score for cardiovascular screening as well as trabecular BD.

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