Search results for: Andreas Fotopoulos

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The effect of menarche age, parity and lactation on bone mineral density in premenopausal ambulatory multiple sclerosis patients

Chrissa Sioka, Andreas Fotopoulos, Stilianos Papakonstantinou, Athanasia Georgiou, more

Multiple Sclerosis and Related Disorders > 2015 > 4 > 4 > 287-290

Although pregnancy and breast-feeding do not have any deleterious effect on disease activity in female multiple sclerosis (MS) patients, their role on bone mineral density (BMD) and osteoporosis risk is unknown. We investigated the role of age at menarche, parity and lactation on BMD expressed as percentage of the mean BMD (%BMD) in 46 pre-menopausal ambulatory female MS patients using dual-energy...

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The diagnostic role of ¹⁸F fluorodeoxyglucose positron emission tomography in patients with fever of unknown origin

Chrissa Sioka, Assimakis Assimakopoulos, Andreas Fotopoulos

European Journal of Clinical Investigation > 45 > 6 > 601 - 608

BackgroundIdentification of aetiology for fever of unknown origin (FUO) is challenging, due to the high rates of undiagnosed cases. The current diagnostic approach includes initially first‐line procedures such as general examination and various laboratory tests and basic imaging techniques followed by second‐line tests such as more advanced imaging techniques including ¹⁸F fluorodeoxyglucose positron...

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Relationships between body composition analysis measures in Greek women and US white women

Stavroula J. Theodorou, Daphne J. Theodorou, John Kalef-Ezra, Andreas Fotopoulos, more

Rheumatology International > 2015 > 35 > 6 > 1037-1044

We investigated the regional changes in body composition relative to age, in healthy Caucasian women living in the Mediterranean area. Body composition of total and subtotal body was measured, and fat mass (FM) ratios along with FM and lean mass (LM) indices were calculated in 330 women aged 20–85 years, using DXA. Data were compared with the NHANES reference database. Peak bone mineral density and...

article

Growth and function in childhood of a normal solitary kidney from birth or from early infancy

Ekaterini Siomou, Vasileios Giapros, Frederica Papadopoulou, Maria Pavlou, more

Pediatric Nephrology > 2014 > 29 > 2 > 249-256

Background Children with a solitary kidney (SK) have an increased long-term risk of hypertension, albuminuria and glomerulosclerosis. In this study, we assessed the early signs of impaired glomerular filtration in children with a SK from birth or from early infancy. Methods Renal growth and function at ages 4–15.5 years were studied in 38 children with SK and 40 matched control subjects in terms...

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Heart involvement in systemic sclerosis: a combined echocardiographic and scintigraphic study

Charalampos Papagoras, Kerstin Achenbach, Niki Tsifetaki, Spyridon Tsiouris, more

Clinical Rheumatology > 2014 > 33 > 8 > 1105-1111

The aim of this study is to investigate systemic sclerosis (SSc) patients without clinically evident heart disease for cardiac abnormalities. SSc patients and age- and sex-matched healthy controls from the hospital staff underwent transthoracic echocardiography for the assessment of the left ventricle (LV) morphology and function and estimation of the pulmonary artery systolic pressure (PASP). Patients...

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A multicenter evaluation of the appropriate use of single-photon emission tomography myocardial perfusion imaging in Greece

Efstratios Moralidis, Nafsika Papadimitriou, Maria Stathaki, Xanthi Xourgia, more

Journal of Nuclear Cardiology > 2013 > 20 > 2 > 275-283

Background This study evaluates the appropriate use of myocardial perfusion imaging (MPI) and determines patterns and variables associated with inappropriate testing. Methods Over a 10-month period data were collected prospectively from consecutive patients referred for MPI in four academic departments and an appropriate use grade was assigned (appropriate, uncertain, inappropriate, and unclassifiable...

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Bone Density and Body Composition in Healthy Greek Women: A Comparison With the Standard Database NHANES

Stavroula Theodorou, Daphne Theodorou, John Kalef-Ezra, Andreas Fotopoulos, more

Journal of Clinical Densitometry > 2012 > 15 > 4 > 488-489

article

Rifaximin Improves Systemic Hemodynamics and Renal Function in Patients With Alcohol-Related Cirrhosis and Ascites

Georgios N. Kalambokis, Athanasia Mouzaki, Maria Rodi, Konstantinos Pappas, more

Clinical Gastroenterology and Hepatology > 2012 > 10 > 7 > 815-818

Circulating levels of endotoxin, interleukin (IL)-6, and tumor necrosis factor (TNF)-α increase with intestinal bacterial overgrowth and translocation, and are believed to be involved in the pathogenesis of hyperdynamic circulatory syndrome and functional renal failure in patients with advanced cirrhosis. We investigated the effects of the antibiotic rifaximin on systemic hemodynamics and renal function...

article

Body Composition in Ambulatory Patients With Multiple Sclerosis

Chrissa Sioka, Andreas Fotopoulos, Athanasia Georgiou, Stylianos Papakonstantinou, more

Journal of Clinical Densitometry > 2011 > 14 > 4 > 465-470

The aim of this study was to compare between ambulatory patients with multiple sclerosis (MS) and control subjects, bone mineral density (BMD), and body composition, that is, percent of bone minerals (M%), fat (F%), and remaining substances (L%). Total body composition and BMD were measured by dual-energy X-ray absorptiometry in 68 patients with definite MS and Expanded Disability Status Scale (EDSS)...

article

Effects of I-131 therapy on gonads and pregnancy outcome in patients with thyroid cancer

Chrissa Sioka, Andreas Fotopoulos

Fertility and Sterility > 2011 > 95 > 5 > 1552-1559

We examined the effects of I-131 therapy for thyroid cancer on female and male gonads and pregnancy outcome. After an extensive review of the published literature we concluded that ablative administration of I-131 therapy may result in transient abnormalities of ovarian and testicular function, but subsequent pregnancies are safe without any significant consequences to offspring outcome.

article

Bone mineral density in ambulatory patients with multiple sclerosis

Chrissa Sioka, Stylianos Papakonstantinou, Andreas Fotopoulos, Yiannis Alamanos, more

Neurological Sciences > 2011 > 32 > 5 > 819-824

Multiple sclerosis (MS) may be associated with reduced bone mass and higher frequency of osteoporosis. Femoral and spinal bone mineral density (BMD) in 70 ambulatory MS patients (46 females and 24 males) was compared with 100 sex-, age-, and BMI-matched control individuals. BMD was reduced in male patients (lumbar spine 0.976 ± 0.114 g/cm² compared with 1.059 ± 0.147 g/cm² in controls, p = 0.024,...

article

Scintigraphic evaluation of intrapulmonary shunt in normoxemic cirrhotic patients and effects of terlipressin

George Kalambokis, Gerasimos Baltayiannis, Spyridon Tsiouris, Konstantinos Pappas, more

Hepatology Research > 40 > 10 > 1015 - 1021

Aim: The magnitude of intrapulmonary shunt (IPS) in cirrhotic patients without hypoxemia remains undefined. We evaluated the severity and clinical correlations of IPS in normoxemic cirrhotics, and possible IPS alterations after terlipressin treatment. Methods: Fifteen patients with alcoholic cirrhosis without hypoxemia were studied at baseline and after the administration of 2 mg of terlipressin...

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Effects of terlipressin and somatostatin on liver and thorax blood volumes in patients with cirrhosis

George Kalambokis, Spyridon Tsiouris, Epameinondas V. Tsianos, Gerasimos Baltayiannis, more

Liver International > 30 > 9 > 1371 - 1378

Background: Variceal bleeding in cirrhosis can cause liver ischaemia and deteriorate the hyperdynamic state; thus, the effects of vasoconstrictor therapy on liver blood volume (LBV) and thorax blood volume (ThBV) are important. Aim: To evaluate and compare the effects of terlipressin and somatostatin on LBV and ThBV in stable patients with cirrhosis and portal hypertension. Methods: Twenty patients...

article

Long-term consequences of early maternal deprivation in serotonergic activity and HPA function in adult rat

Georgia Rentesi, Katerina Antoniou, Marios Marselos, Andreas Fotopoulos, more

Neuroscience Letters > 2010 > 480 > 1 > 7-11

Increasing body of evidence indicates that early life stressful events may induce permanent alterations in neurodevelopment, which in turn, could lead to the development of psychopathologies in adulthood. In particular, maternal deprivation (MD) for 24h in rats has been associated with several abnormalities in brain and behaviour during adulthood, relevant to the neurobiological substrate of anxiety...

article

Recent advances in PET imaging for evaluation of Parkinson’s disease

Chrissa Sioka, Andreas Fotopoulos, Athanassios P. Kyritsis

European Journal of Nuclear Medicine and Molecular Imaging > 2010 > 37 > 8 > 1594-1603

Parkinson’s disease (PD) consists of loss of pigmented dopamine-secreting neurons in the pars compacta of the midbrain substantia nigra. These neurons project to the striatum (putamen and caudate nucleus) and their loss leads to alterations in the activity of the neural circuits that regulate movement. In a simplified model, two dopamine pathways are involved: the direct pathway, which is mediated...

article

Endothelin-B receptors and ventricular arrhythmogenesis in the rat model of acute myocardial infarction

Dimitrios L. Oikonomidis, Dimitrios G. Tsalikakis, Giannis G. Baltogiannis, Alexandros T. Tzallas, more

Basic Research in Cardiology > 2010 > 105 > 2 > 235-245

The arrhythmogenic effects of endothelin-1 (ET-1) are mediated via ETA-receptors, but the role of ETB-receptors is unclear. We examined the pathophysiologic role of ETB-receptors on ventricular tachyarrhythmias (VT/VF) during myocardial infarction (MI). MI was induced by coronary ligation in two animal groups, namely in wild-type (n = 63) and in ETB-receptor-deficient (n = 61) rats. Using a telemetry...

article

Multiple sclerosis, osteoporosis, and vitamin D

Chrissa Sioka, Athanassios P. Kyritsis, Andreas Fotopoulos

Journal of the Neurological Sciences > 2009 > 287 > 1-2 > 1-6

Multiple sclerosis (MS) is associated with reduced bone mass and higher frequency of osteoporosis. Although high-dose short-term intravenous glucocorticoid regimens cause a decrease in bone formation, this effect is usually reversible and osteoporosis in MS patients may be independent of the short-term corticosteroid treatment. Clinical evidence suggests an important role of vitamin D as a modifiable...

article

Thyroid Cancer as Second Primary Malignancy in Breast Cancer Patients

Chrissa Sioka, Andreas Fotopoulos

International Journal of Radiation Oncology, Biology, Physics > 2009 > 73 > 5 > 1604

article

Parity and postmenopausal osteoporosis

Chrissa Sioka, John Kalef-Ezra, Andreas Fotopoulos

Maturitas > 2009 > 62 > 2 > 205

article

Short duration of fertility period as risk factor for osteoporosis

Chrissa Sioka, John Kalef-Ezra, Charalabos Bougias, Andreas Fotopoulos

Maturitas > 2009 > 62 > 1 > 103

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Search results for: Andreas Fotopoulos

The effect of menarche age, parity and lactation on bone mineral density in premenopausal ambulatory multiple sclerosis patients

The diagnostic role of ¹⁸F fluorodeoxyglucose positron emission tomography in patients with fever of unknown origin

Relationships between body composition analysis measures in Greek women and US white women

Growth and function in childhood of a normal solitary kidney from birth or from early infancy

Heart involvement in systemic sclerosis: a combined echocardiographic and scintigraphic study

A multicenter evaluation of the appropriate use of single-photon emission tomography myocardial perfusion imaging in Greece

Bone Density and Body Composition in Healthy Greek Women: A Comparison With the Standard Database NHANES

Rifaximin Improves Systemic Hemodynamics and Renal Function in Patients With Alcohol-Related Cirrhosis and Ascites

Body Composition in Ambulatory Patients With Multiple Sclerosis

Effects of I-131 therapy on gonads and pregnancy outcome in patients with thyroid cancer

Bone mineral density in ambulatory patients with multiple sclerosis

Scintigraphic evaluation of intrapulmonary shunt in normoxemic cirrhotic patients and effects of terlipressin

Effects of terlipressin and somatostatin on liver and thorax blood volumes in patients with cirrhosis

Long-term consequences of early maternal deprivation in serotonergic activity and HPA function in adult rat

Recent advances in PET imaging for evaluation of Parkinson’s disease

Endothelin-B receptors and ventricular arrhythmogenesis in the rat model of acute myocardial infarction

Multiple sclerosis, osteoporosis, and vitamin D

Thyroid Cancer as Second Primary Malignancy in Breast Cancer Patients

Parity and postmenopausal osteoporosis

Short duration of fertility period as risk factor for osteoporosis

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