Endokrynologia Polska最新文献

Introduction: Research on obesity, which results from excessive food consumption and sedentary lifestyle, has focused on increasing energy expenditure. Recently, muscle tissue is being investigated as an endocrine active organ, secreting molecules called myokines. Multiple studies have been performed to assess myokine levels in various disorders, including polycystic ovary syndrome (PCOS) and metabolic syndrome. Irisin and Meteorin-like protein (Metrnl) are particles which, among others, are suggested to play an important role in adipose tissue browning and improving insulin sensitivity.

Material and methods: The study population consisted of 31 women with PCOS and 18 healthy individuals. PCOS was diagnosed based on revised 2003 Rotterdam criteria. Multiple anthropometrical, hormonal, and biochemical parameters were assessed, including oral glucose tolerance test and body composition with dual energy X-ray absorptiometry. Serum levels of irisin and Metrnl were measured by enzyme-linked immunosorbent assay (ELISA).

Results: There were no differences between the PCOS and control groups according to age, body mass index (BMI), waist-to-hip ratio (WHR), fasting glucose, homeostasis model assessment of insulin resistance (HOMA-IR), or body mass composition. Assessment of Metrnl and irisin concentrations revealed no significant differences between PCOS and healthy women. The irisin level was negatively correlated with BMI, body fat mass, fasting glucose, and insulin concentrations. No relationship between Metrnl level and metabolic parameters was found.

Conclusions: Although irisin seems to be a promising biomarker, inconsistent research limits its value in clinical use in the assessment or treatment of obesity. Metrnl level was not affected in the study population, but it might be connected to the severity of metabolic disturbances.

Not required for Clinical Vignette.

Introduction: Thyroid diseases such as low triiodothyronine syndrome (LT3S) are more common in the elderly population. Comprehensive geriatric assessment (CGA) has been proposed as a supplementary tool for evaluating medical, functional, psychological, and frailty status and various geriatric syndromes. This study aimed to evaluate the impact of thyroid diseases on overall health status using a novel CGA strategy.

Material and methods: 477 patients were enrolled between January 2019 and December 2022. A structured CGA was conducted by a multidisciplinary team to identify older high-risk patients. Multivariate regression was performed to assess independent factors associated with thyroid status and CGA.

Results: The prevalence of abnormal thyroid hormone levels in the elderly was 34.2%. LT3S and anti-thyroglobulin antibody (anti-TgAb)-positivity or anti-thyroid peroxidase antibody (anti-TPOAb)-positivity were the main manifestations of thyroid diseases in elderly patients. The patients with LT3S had a higher prevalence of diabetes (p = 0.023), were older (p = 0.000), more often female (p = 0.014), with higher C-reactive protein (p = 0.001), and with lower body mass index (BMI) (p = 0.002), albumin (Alb) (p = 0.000), and haemoglobin (Hb) (p = 0.000) than patients with normal thyroid function. The CGA results showed higher rates of malnutrition and depression in patients with LT3S. Further multivariate logistic regression analysis showed that Hb [odds ratio (OR): 0.975; 95% confidence interval (CI): 0.959-0.990; p = 0.002] and LT3S (OR: 2.213; 95% CI: 1.048-4.672; p = 0.037) were independently associated with depression. Female (OR: 0.393; 95% CI: 0.160-0.968; p = 0.042), Alb (OR: 0.892; 95% CI: 0.811-0.981; p = 0.018), Hb (OR, 0.964; 95% CI: 0.939-0.989; p = 0.006), and LT3S (OR: 3.749; 95% CI: 1.474-9.536; p = 0.006) were independently associated with malnutrition.

Conclusions: LT3S was closely related to depression and malnutrition. Physicians should be more concerned about elderly patients with LT3S for their physical and mental status. Regular thyroid function checks might help to detect depression earlier.

Introduction: The number of detected pancreatic neuroendocrine tumours (PanNETs) has been increasing over the last decades. Surgical resection remains the only potentially curative treatment, but the management is still controversial. This study aimed to compare patients after radical PanNET G2 resection to determine the most important predictive factors for relapse.

Material and methods: All patients with histologically confirmed PanNET G2 who underwent successful surgery between 2006 and 2020 with the intention of radical treatment were enrolled.

Results: In total, 44 patients were eligible for the analysis. The average follow-up was 8.39 ± 4.5 years. Disease recurrence was observed in 16 (36.36%) patients. The dominant location of the primary tumour was the tail of the pancreas (43.18%), especially in the subgroup with disease recurrence (56.25%). The smallest tumour diameter associated with the PanNET G2 recurrence was 22 mm. The relationship between the largest dimension of the tumour with a division of < 4 cm vs. > 4 cm and the relapse was close to statistical significance. Recurrence was associated with a larger tumour size (p = 0.018). There was a statistically significant relationship and a weak correlation between Ki-67 (p = 0.036, V Cramer = 0.371) and disease relapse.

Conclusion: For the group of PanNET G2 patients after radical surgery, the overall risk of recurrence was 36.36%, with the highest rate in the first 5 years after surgery, but in individual cases it occurred significantly later, even 10 years after surgery. The most important predictive factors of the PanNET G2 recurrence was Ki-67 over 5.75% and size of tumour > 4 cm.

The incidence of thyroid nodules is rising annually. Surgical treatment is effective, but often results in significant trauma, recurrent laryngeal nerve injury, hypoparathyroidism, and other complications. Recent years have seen significant breakthroughs in thyroid nodule ablation for treating thyroid diseases, although its application remains controversial. The objective was to review the development history and current research status of thyroid nodule ablation to provide a reference for future studies. The literature on thyroid nodule ablation was reviewed, analysing its advantages and disadvantages. The therapeutic effect of thyroid nodule ablation in treating benign thyroid lesions is noteworthy, but issues such as lax treatment indications and excessive medical treatment persist. Initial success has been achieved in treating thyroid malignant lesions, particularly papillary thyroid microcarcinoma (PTMC). However, the curative effect requires further follow-up verification.

Not required for Clinical Vignette.

Apart from insulin, physical exercise is a crucial component of therapy in patients with type 1 diabetes mellitus (T1DM). The benefits of physical activity in such patients include improved insulin sensitivity, lowered blood glucose, reduced body fat and improved cardiovascular function and physical performance. Hypoglycemia is a crucial issue in the peri-training period in insulin-treated patients. Proper preparation for exercise is the key to reducing the risk of hypoglycemia. The selection of the training type and the patient's knowledge of the effect of such training on glycemia are also significant. Physical exercise under normobaric hypoxia in the training rooms is also available commercially and is becoming increasingly popular. Under such conditions, the air consists of 15.4% oxygen and 84.5% nitrogen, which corresponds to the conditions at an altitude of approximately 2,500 meters above sea level. Hypoxia induces the production of the hypoxia-inducible factor (HIF-1), which regulates the expression of over 100 genes. It modulates key metabolic pathways to optimize glucose utilization by increasing cell sensitivity to insulin, more efficient glucose uptake from the blood and activating effect on glycolytic enzymes. Additionally, HIF-1 shows beneficial effects on the lipid profile, vascular endothelium and performance as measured by the maximal oxygen uptake (VO2max). The aim of this paper was to review and summarize the most recent studies on the effects of exercise on glycemic control and physical performance under normoxia and normobaric hypoxia in patients with T1DM.

Not required for Clinical Vignette.

Glioblastoma multiforme (GBM) is the most aggressive malignant brain tumour. The average survival time for a patient diagnosed with GBM, using standard treatment methods, is several months. Authors of the article pose a direct question: Is it possible to treat GBM solely with radioactive iodine (¹³¹I) therapy without employing the sodium iodide symporter (NIS) gene? After all, NIS has been detected not only in the thyroid but also in various tumours. The main author of this article (A.C.), with the assistance of her colleagues (physicians and pharmacologists), underwent ¹³¹I therapy after prior iodine inhibition, resulting in approximately 30% reduction in tumour size as revealed by magnetic resonance imaging (MRI). Classical therapy for GBM encompasses neurosurgery, conventional radiotherapy, and chemotherapy (e.g. temozolomide). Currently, tyrosine kinase inhibitors (imatinib, sunitinib, and sorafenib) are being used. Additionally, novel drugs such as crizotinib, entrectinib, or larotrectinib are being applied. Recently, personalised multimodal immunotherapy (IMI) based on anti-tumour vaccines derived from oncolytic viruses has been developed, concomitant with the advancement of cellular and molecular immunology. Thus, ¹³¹I therapy has been successfully employed for the first time in the case of GBM recurrence.