Publications by authors named "George Saroglou"

Substantial knowledge gaps exist concerning the varying durations of peripherally inserted central catheter (PICC) placements that lead to either central line-associated bloodstream infection (CLABSI) or catheter colonization. We aimed to compare PICCs dwell time between patients who developed CLABSIs due to multidrug-resistant microorganisms (MDROs) and patients with catheter colonization by MDROs. Data from 86 patients admitted consecutively to a tertiary-care hospital from 2017 to 2020 were retrospectively analyzed.

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Background: The use of peripherally inserted central catheters (PICCs) as an alternative to central venous catheters (CVCs) has steadily risen over the last two decades. However, there is an ongoing debate regarding research evidence that supports any clear advantages or disadvantages of them compared to traditional central venous lines. The present study was conducted to compare the indwelling time of CVC and PICC placements leading to microbial colonization by multidrug-resistant microorganisms (MDROs) in critically ill patients.

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Background: Central venous catheters (CVCs) and peripherally inserted central catheters (PICCs), have been widely used as intravascular devices in critically ill patients. However, they might evoke complications, such as catheter colonization that has been considered as predisposing factor for central line-associated bloodstream infections (CLABSIs). Although numerous studies have compared the risk of bloodstream infections between PICCs and CVCs, comparative studies on their colonization rates are limited.

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Background: Myxomas are the most common primary cardiac tumors that develop mostly at the atrial chambers of the heart and represent 0,25% of all cardiac diseases.

Methods: This is a retrospective study aiming to analyze epidemiological and intraoperative data from cardiac myxoma cases in the hospital of the last 32 years. The study population was 145 cardiac surgical patients and was divided into 4 certain 8-year periods.

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Background: Peripherally inserted central venous catheters (PICCs) serve as an alternative to short-term central venous catheters (CVCs) for providing intravenous access in hospitalized patients. Although a number of studies suggest that PICCs are associated with a lower risk of central line-associated bloodstream infections (CLABSIs) than CVCs, recent data concerning specific patient groups support the contrary. In this regard, we are comparing CVC- and PICC-related CLABSI rates developed in a selected group of critically ill inpatients and evaluating the CLABSI microbiological distribution.

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Background: Central line-associated bloodstream infections (CLABSIs) remain a critical and possibly fatal outcome of hospitalization. Use of central venous catheter (CVC) bundles can considerably reduce CLABSI rates in hospitalized patients. However, despite widespread adoption of these bundles in hospitals worldwide, CLABSIs still remain prevalent.

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Postoperative infections after arthroscopic anterior cruciate ligament (ACL) reconstruction (ACLR) represent a rare but severe complication. An extremely rare case of septic arthritis in a 27-year-old patient following arthroscopic ACLR is reported. The patient presented with signs of knee infection 14 days after ACLR.

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Article Synopsis
  • The study assessed the immune response to SARS-CoV-2 vaccines in 232 cancer patients and compared it to 100 healthcare volunteers without cancer, revealing that 90.5% of patients were seropositive post-vaccine, but lower than the 98% observed in the control group.
  • Cancer patients had significantly lower median antibody levels (523 BAU/mL) compared to controls (2050 BAU/mL), indicating a reduced immune response.
  • Factors such as age, gender, smoking status, and type of cancer influenced antibody levels, suggesting a need for tailored vaccine strategies for cancer patients and continued monitoring of their immune responses.
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Background: Placement of central-venous catheters (CVCs) is an essential practice in the management of hospitalized patients, however, insertion at the commonly used sites has often the potential of inducing major complications. Neverthelss, the impact of specific site central line catheter insertion on catheter-associated bloodstream infections (CLABSIs) has not been clarified yet in the literature.

Objective: The aim of the study was to compare CLABSIs and catheter colonization rates among the three catheter insertion sites: subclavian (SC), internal jugular (IJ) and femoral (FEM) in hospitalized patients.

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Introduction: The impact of cardiac myxomas on the immune response is still indefinite, although laboratory tests and histological findings suggest that there is a correlation between myxomas and inflammatory reaction.

Objectives: Our study speculates that cardiac myxomas are associated with inflammatory response and investigates potential elements of inflammation in the histopathological examination and biomarkers from laboratory tests.

Methods: It is a retrospective study and data were collected from a single center between May 2010 to May 2018.

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Aim: Antimicrobial stewardship programs (ASPs) are urgently needed for Greek hospitals in order to improve antibiotic usage.

Patients & Methods: An ASP was implemented to a Greek hospital since February 2014. A mandatory order form was introduced for five antimicrobials; colistin, tigecycline, daptomycin, doripenem and linezolid.

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Aminoglycosides are useful antimicrobials, primarily for serious infections involving aerobic gram-negative pathogens. The inevitable increase in aminoglycoside resistance has led to calls for reducing levels of inappropriate aminoglycoside prescribing through the implementation of various antibiotic stewardship programs (ASPs). These programs mainly include restriction policies and aminoglycoside cycling.

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Quinolones are among the most commonly prescribed antibiotics worldwide. A clear relationship has been demonstrated between excessive quinolone use and the steady increase in the incidence of quinolone-resistant bacterial pathogens, both in hospital and community sites. In addition, exposure to quinolones has been associated with colonization and infection with healthcare-associated pathogens such as methicillin-resistant Staphylococcus aureus and Clostridium difficile in hospitalized patients.

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Human granulocytic anaplasmosis (HGA) is a tick-borne disease caused by Anaplasma phagocytophilum that has the potential to spread in new geographical areas. The first fatal case of HGA in Greece is presented. Fever of unknown origin, renal and respiratory insufficiency and development of macrophage activation syndrome characterized the clinical presentation.

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The prevalence of carbapenem-resistant pathogens (CRPs) has increased worldwide. Given the importance of CRPs for public health and the high rates of carbapenem resistance observed in Greece, the Hellenic Center for Disease Control and Prevention (HCDCP) under the auspices of the Ministry of Health has undertaken initiatives to develop an Action Plan (i) to estimate the burden of CRP infections in acute-care hospitals in Greece and (ii) to implement infection control measures to limit the intrahospital transmission of these organisms. Starting in November 2010, specific infections caused by CRPs were reported to the HCDCP weekly.

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Article Synopsis
  • Bloodstream infections (BSIs) are common complications in thoracic transplant patients, particularly soon after surgery when they are heavily immunosuppressed, making prompt pathogen identification crucial for survival.
  • This study analyzed 130 blood samples from 30 thoracic transplant recipients, comparing results from a multiplex real-time PCR test (SeptiFast) with traditional blood culture methods to detect infections.
  • SeptiFast not only matched the results of blood cultures in most cases but also identified additional microorganisms in several samples, significantly increasing the detection rate of BSIs and providing faster results, which enhances diagnosis and potential treatment strategies.
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Background: Healthcare workers are at high risk of acquiring hepatitis B and particularly haemodialysis staff. The aim of the study was to examine the prevalence of hepatitis B markers in haemodialysis nurses and to explore the determinants of the infection.

Patients And Methods: Two hundred and sixteen haemodialysis nurses from 20 haemodialysis units in Athens completed an anonymous questionnaire, their blood samples were taken and tested for hepatitis B virus (HBV) markers.

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Background/aim: The spontaneous preterm birth (SPB) rates in a group of HBeAg-negative chronic HBV infected pregnant women without several known risk factors for preterm delivery as well as the mother to infant HBV transmission rates was evaluated. Moreover the role of maternal data during perinatal period as well as the role of HBsAg and/or HBV-DNA presence in cord blood in respect to preterm labour and vertical transmission of the infection was examined.

Methods: 138 consecutive chronic HBV infected pregnant women were haematologically, serologically and virologically evaluated during the perinatal period.

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Spontaneous preterm birth is the leading cause of perinatal morbidity and mortality. In this study the spontaneous preterm birth rates in a group of hepatitis B e antigen (HBeAg)-negative chronic hepatitis B virus (HBV)-infected pregnant women without known risk factors for preterm delivery as well as the role of maternal laboratory data and hepatitis B surface antigen/HBV deoxyribonucleic acid (HBV-DNA) in cord blood in respect to preterm labour were evaluated. 138 consecutive HBeAg-negative chronic HBV-infected pregnant women were evaluated during the perinatal period.

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The number of travellers returning with animal bites from rabies enzootic areas has increased in Greece. The aim of this study was to assess the knowledge of travel-associated risk and preventive measures for rabies. A questionnaire was sent to Travel Medicine consultants in all prefectures.

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Objective: To determine whether chronic hepatitis B virus (HBV) infection, as evidenced by serum levels of HBsAg and HBV DNA, is a risk factor for spontaneous preterm birth (SPB).

Method: The prevalence of HBV infection and the SPB rate were prospectively investigated among 1826 pregnant women, 30.89% Albanian and the remainder of other European origins.

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Background: Human papillomavirus (HPV) infection is a causative factor for cervical cancer. Early detection of high risk HPV types might help to identify women at high risk of cervical cancer. The aim of the present study was to examine the HPV prevalence and distribution in cervical smears in a sample of Greek women attending a gynecological outpatient clinic and to explore the determinants of the infection.

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