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Background & objectives: Endometriosis is one of the causes of female infertility, but the prevalence of endometriosis is not exactly known. We conducted a systematic review and meta-analysis to provide an estimate of the prevalence of endometriosis in women considering the stage of disease, diagnostic method, geographical distribution, clinical symptoms and sample size. Methods: MEDLINE, Web of Science, Google Scholar, Scopus and Cumulative Index of Nursing and Allied Health were searched to identify peer-reviewed studies published from January 1990 to December 2018 reporting the prevalence of endometriosis. Relevant additional articles were identified from the lists of the retrieved articles. Studies with cross-sectional design were included in the meta-analysis. Results: The overall prevalence of endometriosis was 18 per cent [95% confidence interval (CI): 16-20] and the prevalence of endometriosis by stage ranged from two per cent (95% CI: 1-4) for stage 4 to 20 per cent (95% CI: 11-28) for stage 1. The prevalence levels of endometriosis in women with infertility, chronic pelvic pain and asymptomatic were 31 (95% CI: 15-48), 42 (95% CI: 25-58) and 23 per cent (95% CI: 19-26), respectively. Interpretation & conclusions: The results of this study showed that the prevalence of endometriosis in developing countries was high. Future studies are needed to explore other factors affecting the prevalence of endometriosis worldwide, which may help develop future prevention programmes.

Background Previous studies conducted on the association between diabetes and the risk of endometrial cancer have reported controversial results that have raised a variety of questions about the association between diabetes and the incidence of this cancer. Thus, the aim of this systematic review and meta-analysis was to more precisely estimate the effect of diabetes on the risk of endometrial cancer incidence. Methods All original articles were searched in international databases, including Medline (PubMed), Web of sciences, Scopus, EMBASE, and CINHAL. Search was done from January 1990 to January 2018 without language limitations. Also, logarithm and standard error logarithm relative risk (RR) were used for meta-analysis. Results A total of 22 cohort and case-control studies were included in this meta-analysis, of which 14 showed statistically significant associations between diabetes and risk of endometrial cancer. Diabetes was associated with increased risk of endometrial cancer (RR = 1.72, 95% CI 1.48–2.01). The summary of RR for all 9 cohort studies was 1.56 (95% CI 1.21–2.01), and it was 1.85 (95% CI 1.53–2.23) for 13 case control studies. The summary of RR in hospital-based studies was higher than other studies. Thirteen of the primary studies-controlled BMI as a confounding variable, and the combined risk of their results was 1.62 (95% CI 1.34–1.97). Conclusions Diabetes seems to increases the risk of endometrial cancer in women, and this finding can be useful in developing endometrial cancer prevention plans for women having diabetes.

Ramadan Intermittent Fasting (RIF) has the potential to alter hormonal levels in the body. This study investigates the impact of RIF on hormonal levels among healthy individuals during Ramadan. A systematic review and meta-analysis of previously published studies were conducted, focusing on healthy non-athlete adults. The intervention examined was Ramadan Intermittent Fasting, and the primary outcomes assessed were changes in endocrine hormonal and biochemical parameters. The pooled effect measure was expressed as odds ratio (OR) and 95% confidence interval (CI) using the random-effects model. A total of 35 original articles were retrieved, with a combined sample size of 1,107 participants eligible for the meta-analysis. No significant relationship was found between pre- and post-Ramadan hormonal levels of T3, T4, TSH, FT3, FT4, Testosterone, LH, FSH, Prolactin, PTH, Calcium, and Phosphorus (P-value<0.05). However, a substantial decrease in morning cortisol levels was observed across the studies (P-value: 0.08, Hedges' g = -2.14, 95% CI: -4.54, 0.27). Ramadan Intermittent Fasting results in minimal hormonal changes and is a safe practice for healthy individuals. The fasting regimen appears to disrupt the circadian rhythm, leading to a decrease in morning cortisol levels.

Background: In this study, the effect of testosterone gel administration during ovulation induction on the fertility rate was examined in women with a poor ovarian response in in vitro fertilization (IVF) cycles. Materials and Methods: The current study is a single-blinded, randomized clinical trial. Patients who met inclusion (Bologna) criteria were placed in the antagonist cycle group. The patients were randomly divided into two groups each included 25 participants treated with a placebo (lubricant gel, the controls) and testosterone gel (intervention). Fertility outcomes were compared between two study groups. Results: The mean ± standard deviation (SD) age of intervention (41.04 ± 3.77) versus control group (39.69 ± 3.29) was not statistically different. The two studied groups were not statistically different in terms of follicle-stimulating hormone; antral follicle count, IVF, anti-Mullerian hormone, and the duration of infertility. The mean ± SD of oocyte 2.48 ± 1.64 versus 1.17 ± 1.27 and embryo 1.60 ± 1.58 versus 0.39 ± 0.58 in intervention group was significantly higher than control group (P < 0.01). The rate of pregnancy 16% versus 0% and embryo of quality A-B was significantly higher in intervention group than control (60% versus 17.4%, P < 0.05). Conclusion: The results of the current study showed that the testosterone gel has a significant impact on the fertility rate in women with a poor response in the IVF cycles. Further, randomized clinical trials with larger sample sized are recommended.

Background Primary ovarian insufficiency (POI) manifests with hormonal imbalances, menstrual irregularities, follicle loss, and infertility. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) are emerging as a promising treatment for POI. This systematic review aims to assess the effects of MSC-EVs on follicle number, hormonal profile, and fertility in POI animal models. Methods A systematic search of PubMed, Scopus, and Web of Science databases up to December 14th, 2023 was conducted. Two reviewers independently conducted screening, risk of bias assessment, and data extraction. Meta-analysis was performed to analyze treatment versus control outcomes using a random effects model. Publication bias was assessed using Egger’s regression test and sensitivity analysis was assessed using the leave-one-out method. Subgroup analyses and meta-regressions were conducted based on EV source, induction model, type of animal, study quality, administration route, administration frequency and route, and dose. Results a total of 29 studies were included. MSC-EVs treatment significantly increased total follicle count (SMD, (95CI), p-value; 3.56, (0.91, 6.21), < 0.001), including primordial (SMD, (95CI), p-value; 2.86, (1.60, 4.12), < 0.001), primary (SMD, (95CI), p-value; 3.17, (2.28, 4.06), < 0.001), mature (SMD, (95CI), p-value; 2.26, (1.02, 3.50), < 0.001), and antral follicles (SMD, (95CI), p-value; 2.44, (1.21, 3.67), < 0.001). Administration frequency and route did not affect this outcome, but EV source affected primordial, primary, secondary and antral follicle count. Additionally, MSC-EVs treatment elevated anti-müllerian hormone (SMD, (95CI); 3.36, (2.14, 4.58)) and estradiol (SMD, (95CI); 3.19, (2.20, 4.17)) levels while reducing follicle stimulating hormone levels (SMD, (95CI); -2.68, (-4.42, -0.94)). Unlike EV source, which had a significant impact on all three hormones, administration frequency, route, and EV dose did not affect this outcome. Moreover, treatment increased offspring number (SMD, (95CI); 3.70, (2.17, 5.23)) and pregnancy odds (OR, (95CI); 10.25, (4.29, 24.46)) compared to controls. Publication bias and a high level of heterogeneity was evident in all analyses, except for the analysis of the pregnancy odds. However, sensitivity analysis indicated that all of the analyses were stable. Conclusion MSC-EVs therapy shows promise for POI treatment, potentially facilitating clinical translation. However, Further research is warranted to optimize methodology and assess side effects.

Introduction. Cilostazol is an antiplatelet agent, that has been recently used as an adjunctive therapy in the management of diabetic foot ulcers. Headache, diarrhea, palpitations, and edema are reported as common side effects. Case Presentation. A 53-year-old woman was admitted to hospital, with decreased urine output and increased serum creatinine level. She had taken Cilostazol for the first time, for only one day, so the diagnosis of acute kidney injury, probably drug-induced acute interstitial nephritis, due to Cilostazol use, was made. Her kidney function did not improve despite Cilostazol discontinuation and therefore, empirical corticosteroid therapy was initiated. Her urine output increased and her serum creatinine level significantly decreased, on the third day of treatment. She was discharged with acceptable kidney function. Follow-up visits showed gradual normalization of serum creatinine in the next 62 days. Conclusion. Based on our case, we may draw the conclusion that, Cilostazol may cause nephrotoxicity at any point after ingestion.DOI: 10.52547/ijkd.6980

Objectives The Pituitary Tumor Registry intends to provide a platform for clinical research and basic sciences, with an emphasis on disease outcomes. Methods In this retrospective cohort study, all patient data, including demographics, vital signs, symptoms and signs, medical history, medications, past drug history, paraclinical data, treatment modalities, post-surgery follow-up, treatment responsiveness, and pathology reports, have been gathered from the electronic patient records of the Endocrinology and Metabolism Research Center affiliated with Tehran University of Medical Sciences. Results A total of 200 patients with pituitary adenoma were identified. Acromegaly was the most prevalent adenoma, accounting for 35% ( n  = 70) of cases, followed by clinically nonfunctional pituitary adenoma (CNFPA) at 28.5% ( n  = 57), prolactinoma at 23% ( n  = 46), and Cushing disease at 13.5% ( n  = 27). All of the patients with Cushing disease had surgery, with trans-sphenoidal surgery accounting for 92.59%. Prolactinoma was mostly treated with medication (82.60% of cases). Post-operative complications were reported, including cerebrospinal fluid (CSF) leakage in CNFPA cases (24.13%, n  = 7) and diabetes insipidus (DI) in acromegaly (13.46%, n  = 7). Unfortunately, 5 patients died: two with acromegaly, two with CNFPA and one with Cushing disease. Conclusions This registry permits a comprehensive management, long term follow up and treatment outcomes of patients with pituitary adenomas.

Summary The associations between serum hemoglobin (Hb) levels and bone mineral density (BMD) were investigated in population of the 4th Iranian Multicenter Osteoporosis Study (IMOS). A positive relationship between Hb levels and BMD at hip and femoral neck were detected only in men. Purpose Previous studies have investigated the relationship between hemoglobin (Hb) levels and bone mineral density (BMD) with controversial findings. This study aimed to evaluate this association using data from the 4th Iranian Multicenter Osteoporosis Study (IMOS), a population-based national survey, including a population sample aged 50 years and older. Methods The present study was conducted as a cross-sectional data analysis derived from the fourth round of the IMOS. Demographic information, Hb levels, and BMD measurements were collected. BMD was measured with dual-energy X-ray absorptiometry (DXA). Low BMD (osteopenia/osteoporosis) and osteoporosis were defined as a T-score less than -1 and less than -2.5 at each site including hip, femoral neck, or lumbar spine, respectively. Multiple linear regression analysis was used to assess the relationship between Hb levels and BMD. Results This study included 1,426 participants (54.2% female) with the mean age of 62.6 ± 8.0 years. The mean Hb levels among patients with or without osteoporosis were 12.9 ± 2.0 mg/dl and 13.1 ± 1.9 mg/dl, respectively (p-value = 0.08). It was demonstrated a positive relationship between Hb levels and BMD at hip (β = 0.0079, 95% CI: 0.002- 0.0135, p-value = 0.006) and femoral neck (β = 0.0064, 95% CI: 0.0015- 0.0113, p-value = 0.01) in only men. However, there was no significant correlation between Hb levels with low BMD and osteoporosis in either gender. Conclusion Our findings showed a favorable relationship between Hb levels and BMD at the hip and femoral neck, particularly in men. This highlights gender and site-specific distinctions between hematological and skeletal health..Future studies should unravel these possible associations and investigate the underlying mechanisms.

Purpose This study aims to investigate comorbidities, clinical features, laboratory values, and diagnoses in non-diabetic patients experiencing hypoglycemic episodes. Methods A retrospective observational study was conducted at Shariati Hospital in Iran from 2016 to 2023. Seventy-four non-diabetic patients admitted with a diagnosis of hypoglycemia were included, while patients with diabetes were excluded. Demographic data, symptoms, and biochemical assessments were obtained from the hospital information system. Hypoglycemic episodes were identified based on low measured blood glucose, recorded medications for hypoglycemia treatment, or recorded codes indicating hypoglycemia. Hypoglycemia was defined as blood glucose below 70 mg/dL (3.9 mmol/L) along with two other criteria of the Whipple triad. Statistical analysis was performed using SPSS software (version 26). Results Among the enrolled patients, 63.5% were female, and 13.5% were elderly (≥ 65 years). The most common comorbidities observed were cardiovascular disease (20.3%), psychological disorders (20.3%), hypothyroidism (14.9%), and hypertension (8.1%). The prevalent symptoms included weakness, loss of consciousness, sweating, palpitations, dizziness, and tremors. Non-diabetic hypoglycemia was caused by factitious disorders, insulinoma, organ failure, and infection, respectively. Conclusion Due to the diverse range of clinical symptoms, hypoglycemia in non-diabetic patients may be diagnosed late, leading to misdiagnoses such as psychological disorders or seizures. It is crucial to consider the possibility of hypoglycemia in non-diabetic patients and determine its underlying cause. Given the poor prognosis associated with hypoglycemia, timely interventions are essential.