Publications by authors named "Konstantinidou E"

Introduction: Current literature is inconclusive as to whether transversus abdominis (TrA) training can provide an additional benefit to pelvic floor muscle (PFM) training in female stress urinary incontinence (SUI). We designed a study to investigate the effect of PFM and TrA training on incontinence parameters.

Material And Methods: 60 females with SUI were randomised to PFM training alone or PFM plus TrA training.

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Although multiple approaches for characterizing protein-ligand interactions are available in target-based drug discovery, their throughput for determining selectivity is quite limited. Herein, we describe the application of native mass spectrometry for rapid, multiplexed screening of the selectivity of eight small-molecule ligands for five fatty acid-binding protein isoforms. Using high-resolution mass spectrometry, we were able to identify and quantify up to 20 different protein species in a single spectrum.

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Hard flaccid syndrome (HFS) is a rather rare, acquired clinical entity affecting young men's well-being, sexual and social life. HFS presents with a cluster of symptoms including penile-specific somatosensory disturbances, a semi-rigid penis at the flaccid state without any stimulation or desire, erectile dysfunction, perineal and/or penile pain, associated urinary symptoms, emotional distress as well as other psychosocial and stress-related manifestations. Although its pathophysiology is still not well understood, initial penile trauma causing minor nerve and vascular disturbances to the penis and associated pelvic floor musculature is suggested to trigger the syndrome.

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Introduction: To assess the clinical benefits obtained with transcutaneous low-power, high-frequency quantum molecular resonance (QMR) electrotherapy in a group of multifactorial dry eye patients.

Methods: Fifty-one patients (total of 102 eyes) with dry eye symptoms were enrolled in the study. Included clinical conditions were meibomian gland dysfunction, glaucoma, cataract surgery within the past six months, and autoimmune disease-related superficial punctuate keratitis.

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Objective: To measure enamel thickness at the proximal surfaces of the mandibular incisors, using micro-computed tomography (micro-CT) scans.

Material And Methods: Forty-one single-rooted mandibular incisors were selected and analyzed according to anatomical characteristics, to form three groups: Group 1 - central incisors (n = 18); Group 2 - right lateral incisors (n = 10); and Group 3 - left lateral incisors (n = 13). First, enamel thickness at the proximal contact areas of the mandibular incisors was measured.

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Hepatitis E virus (HEV), a common cause of viral hepatitis in developing countries, is mainly transmitted via the fecal-oral route, but also may be a prevalent hospital-transmitted agent among patients on regular hemodialysis due to parenteral transmission. Previous epidemiological studies among hemodialysis patients in Greece, using different diagnostic techniques, gave conflicting results. Τhe present study aimed to measure the exposure rate of hemodialysis patients of north-eastern Greece to HEV by estimating the overall seroprevalence, and to identify potential risk factors.

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Article Synopsis
  • A 27-year-old woman with a history of childhood strabismus surgery seeks to eliminate her reliance on glasses and contact lenses, presenting with mild exophoria and good visual acuity in both eyes.
  • Her eye examination reveals specific refraction measurements indicating moderate myopia in both eyes, with additional tests showing normal tear production and corneal health.
  • The patient is considering options for vision correction, including corneal refractive surgery or a phakic intraocular lens (pIOL), and is leaning towards the latter for its reversibility.
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Objectives: As in Greek settings there is a need to develop validated patient-reported outcomes (PROs) for pelvic floor dysfunction, this study's aim was to cross-culturally adapt and validate the Australian Pelvic Floor Questionnaire (APFQ) into Greek, a 42-item PRO for routine urogynaecological evaluation of four domains; bladder, bowel, prolapse and sexual function.

Study Design: Cross-cultural translation was completed through official multistage forward and back-translation process. Validation involved administering the adapted APFQ (APFQ_GR) to women visiting Greek community-based healthcare settings.

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Article Synopsis
  • Cardiac perforation is a rare but serious complication that can occur during the implantation of transvenous pacemakers, most commonly at the apex of the heart.
  • A case was reported where a patient's ventricular lead perforated the ventricular septum six days post-pacemaker implantation, resulting in the lead exiting the left ventricle and causing the need for cardiac surgery.
  • This case highlights that even with proper lead placement in the right ventricle, perforation can still happen, illustrating the risks associated with pacemaker procedures.
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Long COVID-19 syndrome refers to persisting symptoms (>12 weeks) after the initial coronavirus infection and is estimated to affect 3% to 12% of people diagnosed with the disease globally. Aim: We conducted a collaborative study with the Long COVID patient organization in Greece, in order to estimate the characteristics, symptoms, and challenges these patients confront. Methods: Data were collected from 208 patients using unstructured qualitative free-text entries in an anonymized online questionnaire.

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The COVID-19 pandemic has been going on for the last two years and it has affected our society and, amongst other things, has had a negative impact on blood donation, which has led to a significant reduction in blood supplies worldwide. The imposed restrictions in terms of physical presence and transportation, and the fear of the unknown, have aggravated the situation. In Greece, after the first cases of COVID-19 were reported, the blood supplies at the blood transfusion units (BTUs) were dramatically reduced.

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Sarcoidosis is a multisystem inflammatory disorder with an unknown origin. Symptomatic cardiac involvement is rare and occurs in about 5% of patients with sarcoidosis. Fatal ventricular arrhythmias are the most severe clinical presentation of the disease.

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The aim of this study was to estimate the immunogenic effect of mRNA vaccine against SARS-CoV-2. This study included 510 participants who received mRNA vaccine. The measurement of anti-COVID-19 antibodies was performed using the Abbott SARS-CoV-2 IgG quantitative assay (Abbott).

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Introduction: HCV infection in patients under hemodialysis for end stage chronic kidney disease (ESCKD) may exist despite the absence of anti-HCV antibodies. Molecular methods are widely accepted as "gold standard" techniques for the detection of viral RNA. However, the molecular methods are more expensive in comparison to conventional methods and their replacement is not cost-effective.

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Peroxisome proliferator-activated receptors (PPARs) are fatty acid-activated transcription factors of nuclear hormone receptor superfamily that regulate energy metabolism. Currently, three PPAR subtypes have been identified: PPARα, PPARγ, and PPARβ/δ. PPARα and PPARδ are highly expressed in oxidative tissues and regulate genes involved in substrate delivery and oxidative phosphorylation (OXPHOS) and regulation of energy homeostasis.

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Obesity plays an important role in human fertility in both genders. The same is true for vitamin D, for which accumulating evidence from observational human studies suggests a key role for both male and female fertility. In the latter case, however, robust data from relevant interventional studies are currently lacking.

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Mechanical complications of acute myocardial infarction include ventricular septal rupture (VSR), free wall rupture, and ischemic mitral regurgitation. Postinfarction VSR is a rare but serious complication of myocardial infarction. VSR has a lower incidence in the era of new reperfusion therapies.

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A novel hybrid nanocomposite formed by RGO flakes, surface functionalized by 1-pyrene carboxylic acid (PCA), densely and uniformly in situ decorated by Au NPs, that are concomitantly coordinated by the PCA carboxylic group, and by an aromatic thiol used as the reducing agent in the synthesis, both ensuring, at the same time, a stable non-covalent NPs anchorage to the RGO flakes, and an efficient interparticle electron coupling along the NP network onto the RGO, is reported. The obtained solution processable hybrid material is used to modify Screen-Printed Carbon Electrodes (SPCEs). The hybrid modified SPCEs, functionalized with a thiolated DNA capture probe, are tested in a streptavidin-alkaline-phosphatase catalyzed assay, for the detection of the biotinylated miRNA-221, and for its determination in spiked human blood serum samples.

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Lead perforation is a life-threatening rare complication of pacemaker or defibrillator lead implantation. Clinical examination, electrocardiogram, device interrogation, echocardiography, chest x-ray, and chest computed tomography scan can help in the diagnosis. Clinicians should be aware because early diagnosis and treatment are the cornerstones for achieving a better outcome.

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Thyroidology is a discipline of Endocrinology which has evolved markedly over the past few decades. However, its historical roots can be seen in the literature of, among others, ancient Greek medicine. In the present article, we present the descriptions of the thyroid gland by ancient Greek physicians and its depiction in ancient Greek art.

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Objective: To evaluate the performance of the Gen-Probe Amplified MTD® Test (AMTD) for childhood tuberculosis (TB) diagnosis compared to conventional culture.

Design: We retrospectively studied 121 childhood cases (73 males; median age 7 years, range 1-16). Pulmonary samples (104/152, 68%) included gastric aspirates (n = 53), induced sputum samples (n = 43), bronchial aspirates and bronchoalveolar lavage (n = 8).

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The GeneXpert MTB/RIF assay was evaluated with microscopically negative and positive pulmonary and extrapulmonary specimens from patients with substantial clinical indications for tuberculosis. For the pulmonary samples, the sensitivity, specificity, and positive and negative predictive values were 90.6%, 94.

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Background: Although metallo-β-lactamases (MBLs) hydrolyse most β-lactams, including carbapenems, MBL-producing Enterobacteriaceae very often remain susceptible to carbapenems in vitro. We studied the in vivo efficacy of imipenem, meropenem, ertapenem and aztreonam against a carbapenem-susceptible MBL-producing clinical Escherichia coli strain in a rabbit intra-abdominal abscess model.

Methods: Rabbits were inoculated intraperitoneally with 10(8) cfu/mL of VIM-1-positive E.

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