Spyridon Karageorgos

Dr. Spyridon Karageorgos

First Department of Pediatrics, Aghia Sophia Children's Hospital, National and Kapodistrian University of Athens, Athens, Greece
orcid

Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 February 2017 in Acta Tropica
Verified
Journal Article
Closed access
Constantinos TsioutisConstantinos Tsioutis
Constantinos Tsioutis
MZMaria Zafeiri
Maria Zafeiri
AAAsimakis Avramopoulos
Asimakis Avramopoulos
EPEfthymia Prousali
Efthymia Prousali
MMMichael Miligkos
Michael Miligkos
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos

1 May 2017 in International Journal of Antimicrobial Agents
Verified
Journal Article
Closed access
MFMyrto Eleni Flokas
Myrto Eleni Flokas
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos
MDMarios Detsis
Marios Detsis
MAMichail Alevizakos
Michail Alevizakos
Eleftherios MylonakisEleftherios Mylonakis
Eleftherios Mylonakis

1 November 2016 in International Journal of Antimicrobial Agents
Verified
Journal Article
Open access
Constantinos TsioutisConstantinos Tsioutis
Constantinos Tsioutis
Evangelos I. KritsotakisEvangelos I. Kritsotakis
Evangelos I. Kritsotakis
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos
SSSoultana Stratakou
Soultana Stratakou
CPCharalambos Psarologakis
Charalambos Psarologakis
AGAchilleas Gikas
Achilleas Gikas
Limited data exist regarding prognostic factors and optimal antimicrobial treatment of infections caused by extensively drug-resistant Acinetobacter baumannii (XDR-AB). This retrospective cohort study included 93 adult patients who developed ventilator-associated pneumonia (VAP) due to XDR-AB in the ICU of the University Hospital of Heraklion, Greece, from October 2012 to April 2015. XDR-AB isolates were mainly susceptible to colistin (93.5%) and tigecycline (25.8%), whereas 6 (6.5%) were pandrug-resistant. Prior to infection, patients had long durations of mechanical ventilation and hospital stay and multiple exposures to antibiotics. Median Charlson co-morbidity and APACHE II scores were 2 and 17, respectively. Mortality at 28 days of infection onset was high (34.4%) despite high rates of in-vitro-active empirical (81.7%) and definitive (90.3%) treatment. Active colistin-based combination therapy (n = 55) and monotherapy (n = 29) groups had similar 28-day mortality (27.6% vs. 30.9%, respectively) and Kaplan-Meier survival estimates over time. In multivariable Cox regression, advanced age (aHR = 1.05 per year increase, 95% CI 1.02-1.09), rapidly fatal underlying disease (aHR = 2.64, 95% CI 0.98-9.17) and APACHE II score (aHR = 1.06 per unit increase, 95% CI 0.99-1.14) were identified as independent predictors of 28-day mortality, but no difference in mortality hazards between the active colistin-based combination therapy and monotherapy groups was produced (aHR = 0.88, 95% CI 0.35-2.38). These results support the use of colistin as a first-line agent against VAP in settings where XDR-AB is endemic, but oppose the introduction of colistin-based combination therapy as standard treatment.

30 October 2020 in Antibiotics
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Journal Article
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MMMikaela Michaelidou
Mikaela Michaelidou
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos
Constantinos TsioutisConstantinos Tsioutis
Constantinos Tsioutis
We aimed to assess the knowledge and understanding of antibiotic use and resistance in the general population of Cyprus, in order to inform future antibiotic awareness campaigns with local evidence. Cross-sectional survey following the methodology of the “Antibiotic resistance: Multi-country public awareness survey” of the World Health Organization, during December 2019–January 2020. A total of 614 respondents participated: 64.3% were female and most were aged 35–44 years (33.2%) or 25–34 years (31.8%). One-third had used antibiotics >1 year ago and 91.6% reported receiving advice on appropriate use from a medical professional. Despite high awareness on correct use of antibiotics, lack of knowledge was noted for specific indications, where approximately one-third believed that viral infections respond to antibiotics and 70.7% lack understanding of how antibiotic resistance develops. Higher education graduates exhibited significantly higher knowledge rates. As high as 72.3% were informed about “antibiotic resistant bacteria” from healthcare professionals or social media. Most agreed on the usefulness of most suggested actions to address antibiotic resistance, with higher proportions acknowledging the role of prescribers. Up to 47% could not identify their role in decreasing antibiotic resistance. Our study provides local evidence to inform future efforts in a country characterized by high antibiotic consumption rates.

12 July 2017 in Current Pharmaceutical Design
Verified
Journal Article
Closed access
MDMarios Detsis
Marios Detsis
Constantinos TsioutisConstantinos Tsioutis
Constantinos Tsioutis
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos
TSTheologia Sideroglou
Theologia Sideroglou
AHAngelos Hatzakis
Angelos Hatzakis
EMEleftherios Mylonakis
Eleftherios Mylonakis
Background: The impact of the global economic crisis on HIV-related access and care remains unclear. The objective of this systematic review of the literature was to evaluate the association between socioeconomic factors and HIV diagnosis, and adherence to treatment, following the 2008 global economic crisis. Method: A systematic search of PubMed and Scopus for studies published between January 2008 and October 2016 was conducted. Studies providing data on social, demographic, economic and cultural barriers associated with HIV diagnosis and treatment were included. Results: Of 33 studies included, 22 evaluated HIV testing and 11 evaluated treatment adherence. Medical history of a sexually transmitted disease, knowledge of HIV-related risks, and age, were significantly associated with HIV testing in most of the included studies. Absence of social support, and alcohol or substance use, were the most common factors associated with adherence. Financial factors were not as commonly found to be related to access to HIV diagnosis and HIV treatment adherence, compared to knowledge of HIV-related risks and social support. Conclusion: The identification of persons who are less likely to test for HIV, and to adhere to HIV treatment, may serve as a guide for public health interventions, especially in resource-limited areas.

1 November 2019 in Burns
Verified
Journal Article
Closed access
MKMarkos Kalligeros
Markos Kalligeros
FSFadi Shehadeh
Fadi Shehadeh
Spyridon KarageorgosSpyridon Karageorgos
Spyridon Karageorgos
IZIoannis M. Zacharioudakis
Ioannis M. Zacharioudakis
Eleftherios MylonakisEleftherios Mylonakis
Eleftherios Mylonakis