Publications by authors named "Panagopoulos P"

Chronic inflammation is increasingly recognized as a critical factor in female reproductive health; influencing natural conception and the outcomes of assisted reproductive technologies such as in vitro fertilization (IVF). An essential component of innate immunity, the NLR family pyrin domain-containing 3 (NLRP3) inflammasome is one of the major mediators of inflammatory responses, and its activation is closely linked to oxidative stress. This interaction contributes to a decline in oocyte quality, reduced fertilization potential, and impaired embryo development.

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This paper provides an overview of the social reasons that lead women to consider egg cryopreservation, as well as the attitudes and knowledge of women towards this procedure. Methods: For the creation of this article, a literature review was carried out both in the existing medical literature and in search engines. The key points are as follows: (1) The main reasons women choose to delay childbearing are the lack of a suitable male partner, education and career advancement, and financial instability.

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Background: Anakinra was approved by the European Medicines Agency and received Emergency Use Authorization by the United States Food and Drug Administration for patients with COVID-19 pneumonia at risk for severe respiratory failure (SRF) with blood levels of soluble urokinase plasminogen activator receptor (suPAR) ≥ 6 ng/mL. We report the final results of the phase II open-label single-arm SAVE trial in a large population.

Methods: Patients with COVID-19 pneumonia and suPAR levels ≥ 6 ng/mL received subcutaneous anakinra 100 mg once daily for 10 days.

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Background: To estimate the protection that coronavirus disease 2019 (COVID-19) vaccine doses conferred to hospitalized patients with COVID-19 against adverse outcomes and longer length of stay during the Omicron BA.2 and BA.5 subvariant epidemics in Greece.

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BackgroundLate HIV diagnosis (CD4+ T-cell count < 350 cells/μL, or with an AIDS-defining event) remains a persistent challenge in Greece, indicating potential missed opportunities (MOs) for earlier testing.AimTo determine the frequency of HIV indicator conditions (ICs) preceding diagnosis and to quantify MOs for earlier testing at a nationwide level in Greece.MethodsThis multicentre retrospective study analysed data on 823 antiretroviral therapy-naive adults (≥ 18 years) diagnosed with HIV during 2019-21.

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Article Synopsis
  • The text discusses a rare case of an infant suffering from both autoimmune hemolytic anemia (AIHA) and glucose-6-phosphate dehydrogenase (G6PD) deficiency, highlighting the unusual occurrence of these two conditions together, particularly in infants.
  • It mentions that the infant also had a urinary tract infection caused by Escherichia coli and had received recent pneumococcal vaccination, linking these factors to the development of the conditions.
  • The goal of the study is to analyze possible connections between the conditions, examine the role of the vaccine, and review existing literature on these topics.
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Male factors may be present in up to 50-70% of infertile couples and the prevalence of male infertility accounts for 20-30% of infertility cases. Understanding the mechanisms and causes behind male infertility remains a challenge, but new diagnostic tools such as DNA fragmentation might aid in cases where the routine semen analysis is insufficient. DNA fragmentation, which refers to damages or breaks of the genetic material of the spermatozoa, is considered one of the main causes of male infertility due to impaired functional capability of sperm.

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Background and objective Anemia is a common hematological disorder during pregnancy, with iron deficiency (ID) being the most prevalent cause globally. It severely affects maternal and fetal health. This study aimed to investigate the prevalence of anemia and its association with iron and vitamin B12 deficiency during pregnancy.

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Article Synopsis
  • Researchers classified sepsis into four clinical phenotypes using a simplified algorithm based on six admission parameters in a study involving 1498 patients, including those with bacterial sepsis and severe COVID-19.
  • The analysis found distinct characteristics and outcomes for the phenotypes, with Phenotype α showing low mortality risk and Phenotype δ having the highest mortality.
  • The study concludes that this phenotyping method is effective for predicting outcomes in both bacterial sepsis and severe COVID-19, suggesting it could have important prognostic applications.
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Background: To evaluate the influenza-like illness (ILI) and acute respiratory infection (ARI) case definitions in the diagnosis of COVID-19 and influenza in healthcare personnel (HCP).

Methods: We followed a cohort of 5752 HCP from November 2022 to May 2023. Symptomatic HCP were tested for SARS-CoV-2 and influenza by real-time PCR and/or rapid antigen detection test.

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Objectives: It is suggested that sepsis may be classified into four clinical phenotypes, using an algorithm employing 29 admission parameters. We applied a simplified phenotyping algorithm among patients with bacterial sepsis and severe COVID-19 and assessed characteristics and outcomes of the derived phenotypes.

Design: Retrospective analysis of data from prospective clinical studies.

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Article Synopsis
  • - This study investigates the prevalence of hepatitis D virus (HDV) among people living with HIV (PLWHIV) in Greece, highlighting the importance of understanding the impact of co-infections on liver disease as new treatments emerge.
  • - A total of 696 serum samples from PLWHIV were analyzed, revealing that the majority of participants were male (93%) with a median age of 54 and a long history on antiretroviral therapy, while additional findings showed seroprevalence for other viruses like HCV and HAV.
  • - Results showed a low HDV prevalence in the study group, with only 3% testing positive for anti-HDV IgG antibodies and none for HDV RNA, indicating fewer
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Hepatitis E virus (HEV) poses significant health concerns worldwide, particularly among people living with HIV (PLWHIV), due to an increased risk of chronic infection and progression to cirrhosis in individuals with low CD4 cell counts. This study aimed to investigate the prevalence, chronicity potential, and risk factors of HEV infection among PLWHIV in Greece, where data are currently absent. A synchronic multicentric study encompassing five major Greek university hospitals was executed over 24 months, recruiting 696 PLWHIV participants.

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People living with HIV-HCV co-infection comprise a target group for HCV-micro-elimination. We conducted an HCV cascade of care (CoC) for HIV-HCV co-infected individuals living in Greece and investigated factors associated with different HCV-CoC stages. We analyzed data from 1213 participants from the Athens Multicenter AIDS Cohort Study.

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Cellular metabolism, apoptosis, fertilization, and proliferation of granulosa cells belong to a battery of processes where microRNAs can be detected and associated with infertility. The aim of the present review is to focus on mammalian oocyte maturation events and the association between oocyte growth and miRNA expression. PubMed/Medline, Google Scholar and Scopus databases were searched, and 33 studies were included.

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Background: Polycystic ovary syndrome (PCOS) is a common endocrine disorder among females. PCOS is associated with various metabolic and cardiovascular complications, including insulin resistance, dyslipidemia, and an increased risk of type 2 diabetes mellitus and cardiovascular disease. The role of serum prolactin (PRL) in the development of these complications in PCOS is not well understood.

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Background: To compare the morbidity and work absenteeism associated with coronavirus disease 2019 (COVID-19) and influenza among health care personnel (HCP) in 2022 to 2023.

Methods: We followed 5,752 hospital-based HCP in Greece from November 14, 2022 through May 28, 2023. Symptomatic HCP was tested for SARS-CoV-2 and influenza by real-time polymerase chain reaction and/or rapid antigen detection test.

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Aim: We assessed the vaccination effectiveness (VE) of a COVID-19 booster vaccine dose and the association between morbidity and absenteeism with COVID-19 booster vaccine receipt among healthcare personnel (HCP) in 2022-2023 in Greece.

Methods: We followed 5752 HCP from November 14, 2022 through May 28, 2023 for episodes of absenteeism. Absenteeism for non-infectious causes, pregnancy leave, or annual leave was not recorded.

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Article Synopsis
  • Cytokines are proteins crucial for immune responses and influence various body functions, with genetic variations in their coding genes—known as cytokine polymorphisms—affecting their production and impacts.
  • Some cytokine polymorphisms increase the risk of diseases, and specific variations have been linked to recurrent pregnancy loss (RPL), defined as having two or more miscarriages before 20 weeks.
  • Research continues to explore how these genetic variations, particularly in genes for interleukin-6, tumor necrosis factor-alpha, and interleukin-10, contribute to the risk of RPL, highlighting the need for further investigation to clarify the mechanisms involved.
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Recurrent implantation failure (RIF) poses a significant challenge in assisted reproductive technology (ART) outcomes. The endometrium plays a crucial role in embryo implantation, and its protein expression profile is integral in determining receptivity. Proteomics has emerged as a valuable tool in unraveling the molecular intricacies underlying endometrial receptivity and RIF.

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The treatment of infections remains a challenge for physicians worldwide in the 21st century. The bacterium possesses a multitude of mechanisms to escape the human immune system. The consequences of infections on morbidity and mortality, as well on financial resources, remain dire.

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We aimed to evaluate heparin-binding protein (HBP) as a marker of prognosis of unfavorable outcome in COVID-19 pneumonia. This was a post hoc analysis of the SAVE clinical trial investigating anakinra treatment, guided by suPAR (soluble urokinase plasminogen activator receptor) levels ≥6 ng/mL, for the prevention of severe respiratory failure in hospitalized patients with COVID-19 pneumonia. Baseline HBP plasma levels were measured in 534 patients by fluorescence dry quantitative immunoassay using the Jet-iStar 800 analyzer.

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Article Synopsis
  • Researchers studied how different immune endotypes affect responses to anakinra treatment in patients with severe pneumonia caused by COVID-19 during the SAVE-MORE trial.
  • The study found that many patients transitioned between immune endotypes during treatment, with anakinra helping those with the adaptive endotype to maintain better outcomes.
  • Anakinra also reduced the risk of severe respiratory failure in patients with a coagulopathic endotype compared to placebo, indicating its potential benefits in managing sepsis-related conditions.
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Introduction: In the High Middle Ages, Venetian sovereignty was recognized in Methoni and Koroni (in Greece). It helped lay the foundations for the prevalence of democracy in Venice in the Eastern Mediterranean. The development of these two decadent regions of Messinia, had to be supported by social welfare infrastructure.

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: During the early stages of human fetal development, the fetal skeleton system is chiefly made up of cartilage, which is gradually replaced by bone. Fetal bone development is mainly regulated by the parathyroid hormone parathormone (PTH) and PTH-related protein, with specific calprotectin playing a substantial role in cell adhesion and chemotaxis while exhibiting antimicrobial activity during the inflammatory osteogenesis process. The aim of our study was to measure the levels of PTH and calprotectin in early second trimester amniotic fluid and to carry out a comparison between the levels observed among normal full-term pregnancies (control group) and those of the groups of embryos exhibiting impaired or enhanced growth.

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