The International Journal of Romanian Society of Endocrinology / Registered in 1938

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  • Perspectives

    Aydin H, Ferahman S, Abdullayev S, Sahbaz NA, Dural AC, Guzey D, Akarsu C, Karabulut M

    Technological Advances Have Improved Surgical Outcome in Thyroid Surgery: Myth or Reality?

    Acta Endo (Buc) 2021 17(1): 1-6 doi: 10.4183/aeb.2021.1

    effects of Ultrasonic Coagulation (UC), Bipolar Energy Sealing System (BESS), Intra Operative Nerve Monitoring (IONM) and surgical experience on the complications of thyroid surgery. Method. The data of 1627 patients who underwent thyroid surgery for various indications in our department between 2009 and 2018 were analyzed retrospectively and the effects of different technological devices on complications were investigated. Results. Transient recurrent laryngeal nerve (RLN) palsy was higher between 2009 and 2013, when IONM was not in routine use (p=0.029). There were no significant differences between two energy devices (UC and BESS) in terms of transient or permanent RLN palsy, bleeding, and transient or permanent hypocalcemia. Multivariate analysis showed that young age (0.006), female gender (0.016), surgery type (p<0.001), and lateral neck dissection (p=0.026) are independent risk factors for transient hypocalcemia. Conclusion. The results indicate that there is no superior hemostatic device. IONM and specific branching decrease transient RLN palsy. Female gender, young age, completion thyroidectomy, and lateral neck dissection were independent risk factors for the development of transient hypocalcemia.
  • General Endocrinology

    Yildirim Y, Kara AV, Kilinç F, Aydin F, Aydin E, Yilmaz Z, Kadiroglu AK, Yilmaz ME

    Determination of Volume Overload by Bioelectrical Impedance Analysis and NT-ProBNP in Diabetic Pre-dialysis Patients

    Acta Endo (Buc) 2016 12(1): 19-25 doi: 10.4183/aeb.2016.19

    Introduction. Diabetic chronic kidney disease has more fatal clinical progresses and this situation can be related to volume overload, which is seen more commonly in diabetic chronic kidney disease patients than in non-diabetic chronic kidney disease patients. Therefore, we examined the effect of diabetes mellitus on volume overload in newly diagnosed stage 5 chronic kidney disease patients whose volume overloads were not showing signs of improvement from renal replacement therapy. Method. One hundred and five patients (46 diabetic, 59 non-diabetic) with end-stage chronic kidney disease, who had glomerular filtration rate (GFR) under 15 mL/min for at least three months were enrolled in this prospective study. We determined the body volume overload and configuration using a bioimpedance device. NT-proBNP levels were recorded. Results. There was a statistically significant difference between diabetic and non-diabetic groups according to overhydration (OH, p=0.003), extracellular water (ECW, p=0.045), intracellular water (ICW, p<0.001) and OH/ECW (p=0.003). In addition, there was a statistically significant difference between groups in terms of N-terminal Pro-brain Natriuretic Peptide (NT-proBNP levels, p=0.008). Discussion. We compared diabetic and nondiabetic end-stage chronic kidney disease patients who were not in renal replacement therapy yet. We found more volume overload and extracellular fluid volume in the diabetic group.
  • General Endocrinology

    Alcelik A, Ozhan H, Gurses Alcelik A, Yalcin S, Aydin Y

    Asymmetric Dimethyl Arginine Level as a Cardiovascular Risk Factor in Patients with Hyperthyroidism

    Acta Endo (Buc) 2012 8(1): 27-34 doi: 10.4183/aeb.2012.27

    Introduction. Thyroid diseases may cause endothelial dysfunction. Asymmetric dimethylarginine (ADMA) levels in patients with thyroid dysfunction were analyzed by few studies.\r\nAim.We aimed to compare ADMA levels in patients with hyperthyroidism in a cohort free of cardiovascular risk associates such as diabetes or chronic renal failure with further comparison with healthy control subjects.\r\nMaterials and methods. The study took place in Duzce University Medical Faculty, Cardiology and Internal Medicine\r\nDepartment during the year 2010. The study group consisted of patients with hyperthyroidism (overt and subclinical). The patients with renal failure, diabetes and severe\r\nhypertension were excluded.\r\nResults. Mean ADMA level was 1.04 ? 0.43 &#956;mol/L in the hyperthyroid group and 0.68 ? 0.21 &#956;mol/L in the control group (p&#8804;0.001). The comparison of patients with hyperthyroidism according to the etiology (three groups as Graves?, multinodular goiter and thyroiditis) did not show any significant difference.\r\nConclusion. Asymmetric dimethylarginine increases in patients with hyperthyroidism regardless of the etiology.\r\nThe increase of ADMA levels is independent of known major cardiovascular risk factors. It may reflect the possible counteraction of endothelial dysfunction in the pathogenesis of atherosclerosis in hyperthyroidism beyond the known cardiovascular risk factors.
  • Endocrine Care

    Yapar AF, Reyhan M, Aydin M, Sukan A

    Efficacy of Radioiodine Treatment in Subclinical Hyperthyroidism

    Acta Endo (Buc) 2012 8(1): 77-86 doi: 10.4183/aeb.2012.77

    Radioiodine treatment of hyperthyroidism is easy to perform, has a low cost and presents a low risk adverse effects.\r\nDespite many reports on the efficiency and results, the number of studies investigating the efficiency of radioiodine treatment in subclinical hyperthyroidism is limited.\r\nAim. Therefore, this study aimed to investigate the efficiency of radioiodine treatment in subclinical hyperthyroidism.\r\nMethods. The study involved 50 patients with subclinical hyperthyroidism (42 females, 8 males, mean age: 60.3?10.8)\r\ntreated by radioiodine in our department. Thirtyfour (68%) of the 50 patients had multinodular hyperplasia; 9 (18%) had diffuse hyperplasia, and 7 (14%) had solitary nodule.\r\nThe patients were applied I-131 treatment with a dose of 5-20 mCi (mean 11.52?3.63 mCi) based on the thyroid gland volumes, TSH levels, age, any clinical findings, and\r\nalso, the type of hyperplasia (diffuse or nodular hyperplasia). The patients were followed for 5.13 to 46.5 months (mean: 24.62?11.47).\r\nResults. Forty-three (86%) of the 50 patients were euthyroid after a mean of 2.36?1.18 months following radioiodine\r\ntreatment. The mean dose of radioiodine was 11.91?3.73 mCi. Only 5 (10%) of 50 patients developed hypothyroidism 1-5 months (mean: 2.8?1.48) after radioiodine therapy with 8-10\r\nmCi (mean: 8.4?0.89) I-131 administration. When hypothyroidism is also considered as a criterion for cure in addition to euthyroidism, the success rate of radioiodine treatment was 96% (48/50) in the patients with subclinical\r\nhyperthyroidism.\r\nConclusion. Radioiodine treatment provides quick and high efficiency of recovery, easy application, and quick\r\nadaptation by patient; thus, it can be a preferred choice of subclinical hyperthyroidism treatment, particularly for the\r\nelderly patients who cannot adapt treatment with antithyroid tablets easily.
  • Case Report

    Bestepe N, Aydin C, Tam AA, Ercan K, Ersoy R, Cakir B

    Empty Sella in a Patient with Clinical and Biochemical Diagnosis of Acromegaly

    Acta Endo (Buc) 2022 18(1): 97-101 doi: 10.4183/aeb.2022.97

    Background. Acromegaly is an acquired disorder related to excessive production of growth hormone (GH) and insulin-like growth factor-1 (IGF-1). Empty sella (ES) is an anatomical condition of sella turcica that is partially or completely filled with cerebrospinal fluid mainly due to intrasellar herniation of subarachnoid space. Here, we describe a patient who presented with clinical and biochemical features of acromegaly and who had an ES on pituitary magnetic resonance imaging (MRI). Case report. A 73-year-old male patient was consulted in our clinic because of the acromegalic phenotype while planning for colorectal adenocarcinoma surgery. The patient noticed gradual enlarging of his hands, feet and nose for 30 years, but never consulted to any clinician for this reason. Serum GH was 20.6 ng/mL (normal <3 ng/mL) and IGF-1 was 531 ng/mL (normal, 69–200 ng/ml). An oral glucose tolerance test showed no suppression of GH values. T1-weighted MRI revealed an ES. 18F-FDG PET/CT and Ga-DOTATADE PET/CT did not show any finding consistent with ectopic GH secretion. Growth hormone releasing hormone (GHRH) was within the normal range (<100mg/dL). He was treated with long-acting octreotide 20 mg per 28 days. At the 6th month of treatment, serum GH and IGF-1 levels were decreased to 5.45 ng/mL and 274 ng/mL, respectively. Conclusion. The mechanism underlying the association of acromegaly and ES remains unclear. Apoplexy on existing pituitary adenoma and then formation of necrosis can proceed to ES. Since our patient did not have a history of pituitary apoplexy and we could not find any reason for secondary ES, we considered primary ES.
  • Case Report

    Sancak S, Altun H., Aydin H., Tukun A. , Mantoglu B., Ender O., Karip B., Okuducu M., Baskent A., Alp T., Memisoglu K

    Bilateral Adrenal Myelolipoma in a 46 XX DSD patient with Congenital Adrenal Hyperplasia due to 21-hydroxylase Deficiency. case report

    Acta Endo (Buc) 2013 9(1): 109-119 doi: 10.4183/aeb.2013.109

    Increased frequency of adrenal tumours and adrenal myelolipoma has been reported in patients with 21-hydroxylase deficiency (21-OHD). Adrenal myelolipoma is an uncommon, benign, biochemically non-functioning tumor and occasionally reported in association with endocrine disorders. Diagnosis of myelolipomas is based on imaging with ultrasonography, CT or MRI being effective in more than 90% of cases. We present a 34-year-old man with massive bilateral adrenal masses which was detected on computed tomography and was diagnosed as 21-hydroxylase deficiency (21-OHD) based on biochemical findings. Computerized tomography of the abdomen demonstrated bilaterally very low-density adrenal masses (16x28 mm on the right side and 91x88 and 33x30 mm on the left side) consistent with adrenal myelolipomas. Since myelolipomas are considered as benign tumors, he was not operated. Tumor size did not increase during two year follow-up periods. It is recommended to the physicians to be aware of increased frequency of benign adrenal tumors that occur frequently in patients with 21-OHD. Untreated CAH with prolonged excessive ACTH stimulation might contribute to the growth of adrenal masses. CAH should always be ruled out in incidentally detected adrenal masses to avoid unnecessary surgical procedures.
  • Case Report

    Aydin B, Aksu O, Asci H, Kayan M, Korkmaz H

    A Rare Cause of Pituitary Apoplexy: Cabergoline Therapy

    Acta Endo (Buc) 2018 14(1): 113-116 doi: 10.4183/aeb.2018.113

    Pituitary apoplexy (PA) is a life-threatening clinical syndrome. Dopamine receptor agonists are the drugs of choice in the treatment of prolactinomas. The use of cabergoline is reported to cause an increased risk of PA, particularly in macroprolactinomas of cystic nature. In this report, we present a patient with a cystic macroprolactinoma who developed PA on the 16th week of cabergoline treatment.
  • Endocrine Care

    Ozuguz U, Isik S, Akbaba G, Berker D, Tutuncu Y, Aydin Y, Guler S

    Evaluation of the relation between primary hyperparathyroidism and concomitant thyroid disease

    Acta Endo (Buc) 2010 6(2): 191-202 doi: 10.4183/aeb.2010.191

    Objective. Thyroid diseases coexisting with primary hyperparathyroidism (PHPT) may individually change the diagnosis, treatment and follow-up of the patients. In our study, we aimed to investigate the thyroid diseases coexisting with PHPT and the relation between\r\nthese two clinical situations.\r\nMethods. We retrospectively investigated 255 patients who were diagnosed as PHPT between 2004-2009 in our clinic. The general characteristics of the patients, laboratory tests,\r\nwhich were performed preoperatively, neck ultrasonography, thyroid and parathyroid scintigraphy and fine needle aspiration biopsy (FNAB) results were assessed. Cytological\r\nresults of the nodules with preoperative FNAB were compared with the postoperative histological results.\r\nResults. Of the patients, 49 were male (19.2%) and 206 were female (80.8%). Mean age was 54.5?12.8. Bilateral neck exploration (BNE) was performed on 69 cases (27%),\r\nminimal invasive parathyroidectomy (MIP) on 78 cases (30.5%) and BNE plus thyroidectomy on 108 cases (42.5%). When all thyroid diseases were taken into account,\r\nprevalence of the coexisting thyroid disease was 65%, prevalence of nodular thyroid disease 52.1%, thyroid cancer 16.7% and thyroid dysfunction 11.8%. The mean age of the patients with a nodular goitre was significantly higher than of the patients who did not have nodules\r\n(p<0.001). General demographic data, calcium and PTH levels did not show any difference. Number of nodules was correlated with age (p<0.001, r=0.227).\r\nConclusion. The relation between PHPT and nodular thyroid diseases is coincidental and this can be explained by the fact that both diseases occur in advanced age.
  • Endocrine Care

    Aydin C, Ersoy R, Ozdemir D, Cuhaci N, Arpaci D, Usluogullari CA, Ustu Y, Baser H, Dirikoc A, Cakir B

    Comparison of Growth Hormone Suppression Response after Oral and Intravenous Glucose Tolerance Tests in Healthy Adults

    Acta Endo (Buc) 2015 11(2): 202-207 doi: 10.4183/aeb.2015.202

    Objective. Personal discrepancies in gastrointestinal physiology might influence responses to GH suppression during OGTT. We aim to compare growth hormone (GH) response during oral glucose tolerance test (OGTT) and intravenous glucose tolerance test (IVGTT). Methods. Data of 18 healthy volunteers were analyzed in the study. Subjects were firstly evaluated with standard 75-g OGTT. In subjects with serum glucose <100 mg/dL at basal state and <140 mg/dL at 120th minute of oral loading, IVGTT was performed after at least 3 days. Serum glucose, insulin and GH levels were measured during two tests. Results. Basal GH levels had a wide distribution ranging from 0.00005 μg/L to 0.768 μg/L (median 0.0145 μg/L). Mean nadir GH level during OGTT was obtained at 60th minute and it was 0.0376 μg/L(range 0.00011-0.387, median 0.0016 μg/L, SD: 0.095, SEM: 0.038). Nadir GH level during IVGTT was observed at 10th minute and it was 0.112 μg/L(range 0.0005-0.770 μg/L, median 0.0053 μg/L, SD: 0.242, SEM: 0.057). There was a statistically significant difference between nadir GH levels obtained during IVGTT and OGTT (p=0.028). Conclusions. We found that mean nadir GH level was significantly higher during IVGTT in healthy subjects. This is a preliminary study and further large scale studies are required to suggest that IVGTT may be used in the diagnosis and follow-up of patients with acromegaly as an alternative to or instead of OGTT.
  • Endocrine Care

    Ustun I, Aydin Y, Ary Arduc A, Berker D, Ozuguz U, Yylmaz M, Erden G, Unlu E

    Evaluation of atherosclerotic risk factors and carotid intima media thickness in healthy offspring of type 2 diabetic patients

    Acta Endo (Buc) 2010 6(2): 211-227 doi: 10.4183/aeb.2010.211

    Aim is to evaluate atherosclerotic risk factors and carotid intima media thickness [CIMT] in offspring of type 2 Diabetes Mellitus [DM] patients with normal glucose tolerance. Methods. We evaluated 96 offspring of Type 2 DM patients and 39 healthy control who were in similar age, sex and body mass. We measured fasting blood glucose [FBG], postprandial blood glucose [PBG], insulin, uric acid, homocystein, fibrinogen, HOMA-IR, lipid profile, hsCRP, microalbuminuria, glycosylated hemoglobin A1c and CIMT by Doppler ultrasonography. Results. FBG was found higher in study group [p<0.001]. The HOMA-IR was 1.7±0.98 and 1.2±0.58 mg/dL x uUI/mL for study and control group, respectively [p=0.007]. TCholesterol, triglycerides, HDL-C, LDL-C and homocystein levels were not different. HsCRP and fibrinogen levels were higher in study group [p=0.014 and p=0.035, respectively]. Microalbuminuria levels were higher in study group but not significant [p=0.111]. CIMT in study group increased distinctively [p<0,001]. In regression analysis, being in study group causes a significant increase on the mean CIMT level by 0.057 mm [0.029-0.086] Conclusion. Our study demonstrated that various atherosclerotic risk factors are aggregated in offspring of Type 2 DM patients having NGT even before they develop glucose intolerance. Having a diabetic family alone might be effective in developing increased CIMT.