Nikos Sypsas
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Greek academic and medical doctor
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Why Is Nikos Sypsas Influential?
(Suggest an Edit or Addition)According to Wikipedia, Nikos Sypsas is a Greek academic and medical doctor specialized in infectious diseases from Nafpaktia, Greece. He is primarily known for his participation in the scientific committee of the Greek government for the coronavirus pandemic 2019-20. He has authored and co-authored numerous papers for scientific journals and has an H-index of 32.
Nikos Sypsas's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Perspectives for the Treatment of Brucellosis in the 21st Century: The Ioannina Recommendations (2007) (371)
- Effect of Colchicine vs Standard Care on Cardiac and Inflammatory Biomarkers and Clinical Outcomes in Patients Hospitalized With Coronavirus Disease 2019 (2020) (335)
- Candidemia in patients with hematologic malignancies in the era of new antifungal agents (2001‐2007) (2009) (256)
- The diagnostic value of halo and reversed halo signs for invasive mold infections in compromised hosts. (2011) (233)
- Evaluation of the efficacy of six nutritional screening tools to predict malnutrition in the elderly. (2012) (174)
- Rhino-Orbital-Cerebral Mucormycosis (2012) (169)
- Perspectives for the management of febrile neutropenic patients with cancer in the 21st century (2005) (152)
- Candida osteomyelitis: analysis of 207 pediatric and adult cases (1970-2011). (2012) (133)
- The Greek study in the effects of colchicine in COvid-19 complications prevention (GRECCO-19 study): Rationale and study design (2020) (121)
- Therapy of Mucormycosis (2018) (120)
- Age and frailty are independently associated with increased COVID-19 mortality and increased care needs in survivors: results of an international multi-centre study (2021) (97)
- Aspergillus osteomyelitis: epidemiology, clinical manifestations, management, and outcome. (2014) (84)
- A prospective, cohort, multicentre study of candidaemia in hospitalized adult patients with haematological malignancies. (2014) (84)
- COVID-19: The Potential Role of Copper and N-acetylcysteine (NAC) in a Combination of Candidate Antiviral Treatments Against SARS-CoV-2. (2020) (84)
- Identification of type-specific cytotoxic T lymphocyte responses to homologous viral proteins in laboratory workers accidentally infected with HIV-1. (1997) (80)
- Clinical issues regarding relapsing aspergillosis and the efficacy of secondary antifungal prophylaxis in patients with hematological malignancies. (2006) (75)
- Leishmaniasis, Autoimmune Rheumatic Disease, and Anti–Tumor Necrosis Factor Therapy, Europe (2006) (71)
- Lactobacillus rhamnosus endocarditis complicating colonoscopy. (2001) (66)
- Invasive fungal infections in patients with cancer in the Intensive Care Unit. (2012) (62)
- Carbapenemase-producing Klebsiella pneumoniae bloodstream infections in neutropenic patients with haematological malignancies or aplastic anaemia: Analysis of 50 cases. (2016) (58)
- SARS-CoV-2 infection in healthcare personnel with high-risk occupational exposure: evaluation of seven-day exclusion from work policy (2020) (54)
- Levels of Soluble CD40 Ligand (CD154) in Serum Are Increased in Human Immunodeficiency Virus Type 1-Infected Patients and Correlate with CD4+ T-Cell Counts (2002) (53)
- Circulating autoantibodies to erythropoietin are associated with human immunodeficiency virus type 1-related anemia. (1999) (51)
- Occupation, Lifestyle, Diet, and Invasive Fungal Infections (2008) (47)
- Processing of HIV-1 envelope glycoprotein for class I-restricted recognition: dependence on TAP1/2 and mechanisms for cytosolic localization. (1999) (44)
- Determinants of intention to get vaccinated against COVID-19 among healthcare personnel in hospitals in Greece (2021) (43)
- Comparison of national clinical practice guidelines and recommendations on vaccination of adult patients with autoimmune rheumatic diseases (2014) (41)
- Fine epitope specificity of anti-erythropoietin antibodies reveals molecular mimicry with HIV-1 p17 protein: a pathogenetic mechanism for HIV-1-related anemia. (2011) (40)
- Is Sjögren's syndrome a retroviral disease? (2011) (38)
- An unusual case of brucellar spondylitis involving both the cervical and lumbar spine. (2000) (36)
- Pituitary insufficiency after infectious meningitis: a prospective study. (2010) (35)
- Efficacy of prolonged antimicrobial chemotherapy for brucellar spondylodiscitis. (2011) (32)
- Safety of Lactobacillus strains used as probiotic agents. (2002) (32)
- Candida Arthritis: Analysis of 112 Pediatric and Adult Cases (2015) (31)
- Current clinical, laboratory, and treatment outcome characteristics of visceral leishmaniasis: results from a seven-year retrospective study in Greece. (2015) (31)
- Fluorine-18 fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography scan contributes to the diagnosis and management of brucellar spondylodiskitis (2013) (30)
- Osteoarticular Infections Caused by Non-Aspergillus Filamentous Fungi in Adult and Pediatric Patients (2015) (30)
- Septic arthritis due to Roseomonas mucosa in a rheumatoid arthritis patient receiving infliximab therapy. (2006) (29)
- Madura foot due to Actinomadura madurae: imaging appearance. (2003) (28)
- An estimate of the burden of serious fungal diseases in Greece (2016) (28)
- Serum concentrations of soluble intercellular adhesion molecule-1 and progress towards disease in patients infected with HIV. (1994) (28)
- Dimorphic fungal osteoarticular infections (2014) (27)
- Aspergillus arthritis: analysis of clinical manifestations, diagnosis, and treatment of 31 reported cases (2016) (25)
- Successful salvage therapy of refractory HIV-related cryptococcal meningitis with the combination of liposomal amphotericin B, voriconazole, and recombinant interferon-γ. (2012) (24)
- Invasive Fungal Infections in Patients with Hematological Malignancies: Emergence of Resistant Pathogens and New Antifungal Therapies (2018) (24)
- Bone and joint infections caused by mucormycetes: A challenging osteoarticular mycosis of the twenty‐first century (2017) (24)
- Moraxella catarrhalis endocarditis: case report and review of the literature. (2000) (22)
- Inhibition of Human Immunodeficiency Virus Type 1 Replication in Primary CD4+ T Lymphocytes, Monocytes, and Dendritic Cells by Cytotoxic T Lymphocytes (2000) (21)
- Acute pancreatitis after long-term therapy with mesalazine, and hyperamylasaemia associated with azathioprine in a patient with ulcerative colitis. (2003) (20)
- Cardiovascular risk factors in HIV infected individuals: Comparison with general adult control population in Greece (2020) (20)
- COVID-19 vaccination significantly reduces morbidity and absenteeism among healthcare personnel: A prospective multicenter study (2021) (20)
- Combination of conventional culture, vial culture, and broad-range PCR of sonication fluid for the diagnosis of prosthetic joint infection. (2018) (19)
- Nutritional risk as predictor for healthcare-associated infection among hospitalized elderly patients in the acute care setting. (2012) (19)
- Sternal tuberculosis after coronary artery bypass graft surgery. (2001) (19)
- Elevated serum levels of soluble immune activation markers are associated with increased risk for death in HAART-naive HIV-1-infected patients. (2003) (18)
- Reversible dilated cardiomyopathy associated with amphotericin B treatment. (2005) (18)
- Circulating antibodies to endogenous erythropoietin and risk for HIV-1-related anemia. (2010) (17)
- Breakthrough candidaemia caused by phenotypically susceptible Candida spp. in patients with haematological malignancies does not correlate with established interpretive breakpoints. (2014) (16)
- Candiduria in haematologic malignancy patients without a urinary catheter: nothing more than a frailty marker? (2013) (16)
- Epidemiology of Fungal Osteomyelitis (2014) (16)
- Monotherapy with caspofungin for candidaemia in adult patients with cancer: a retrospective, single institution study. (2009) (16)
- Successful treatment of Candida osteoarticular infections with limited duration of antifungal therapy and orthopedic surgical intervention (2015) (15)
- CD4 cell count response to first-line combination ART in HIV-2+ patients compared with HIV-1+ patients: a multinational, multicohort European study (2017) (14)
- Role of vaccinations and prophylaxis in rheumatic diseases. (2015) (13)
- Effective control of an acute gastroenteritis outbreak due to norovirus infection in a hospital ward in Athens, Greece, April 2011. (2011) (12)
- Levels of the circulating cell adhesion molecule E-selectin and disease progression in HIV infection (1995) (12)
- Positron emission tomography in spinal infections. (2015) (11)
- Q fever endocarditis in Greece: report of five cases. (2009) (11)
- Bioassay for Determining Voriconazole Serum Levels in Patients Receiving Combination Therapy with Echinocandins (2015) (11)
- Extranodal Non-Hodgkin Lymphoma Presenting as a Soft Tissue Mass in the Proximal Femur in a HIV(+) Patient (2002) (10)
- HIV cascade of care in Greece: Useful insights from additional stages (2018) (10)
- Fever, hepatosplenomegaly, and pancytopenia in a renal transplant recipient (2003) (10)
- Transmission Dynamics of HIV-1 Drug Resistance among Treatment-Naïve Individuals in Greece: The Added Value of Molecular Epidemiology to Public Health (2017) (10)
- Mixed cryoglobulinemia is associated with increased risk for death, or neoplasia in HIV‐1 infection (2001) (10)
- A study of the evolution of the third COVID‐19 pandemic wave in the Athens metropolitan area, Greece, through two cross‐sectional seroepidemiological surveys: March, June 2021 (2021) (9)
- Causative factors of liver fibrosis in HIV-infected patients. A single center study (2020) (9)
- Management of Invasive Fungal Infections in Adult Patients with Hematological Malignancies in Greece during the Financial Crisis: Challenges and Recommendations (2018) (9)
- Long-term evolution of CD4+ cell count in patients under combined antiretroviral therapy. (2019) (9)
- Asymptomatic bacteriuria in women with autoimmune rheumatic disease: prevalence, risk factors, and clinical significance. (2015) (8)
- Significance of various factors in patients with functional dyspepsia and peptic ulcer disease in Greece. A comparative prospective study. (1995) (8)
- Primary unilateral tuberculous inguinal lymphadenitis. (2005) (8)
- Hospital factors associated with SARS-CoV-2 infection among healthcare personnel in Greece (2020) (8)
- 18-Fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography scan for monitoring the therapeutic response in experimental Staphylococcus aureus foreign-body osteomyelitis (2015) (8)
- Experimental Candida albicans osteomyelitis: Microbiologic, antigenic, histologic, and 18FDG-PET-CT imaging characteristics in a newly established rabbit model. (2019) (8)
- Management of osteoarticular fungal infections in the setting of immunodeficiency (2020) (8)
- Impact of a non-compulsory antifungal stewardship program on overuse and misuse of antifungal agents in a tertiary care hospital. (2020) (7)
- Prevalence of abnormal liver biochemistry and its impact on COVID-19 patients’ outcomes: a single-center Greek study (2022) (7)
- Impaired distensibility of ascending aorta in patients with HIV infection (2012) (7)
- Expanding Role of Circulating Adhesion Molecules in Assessing Prognosis and Treatment Response in Human Immunodeficiency Virus Infection (2004) (7)
- Endocarditis due to Gemella haemolysans in a patient with systemic lupus erythematosus. (2011) (7)
- Coronavirus disease 2019 pandemic in Greece, February 26 – May 3, 2020: The first wave (2021) (7)
- Toxoplasma gondii: How fatal is it in pediatric allogeneic bone marrow transplantation setting? (2019) (7)
- Hematological Abnormalities in COVID-19 Disease: Association With Type I Interferon Pathway Activation and Disease Outcomes (2022) (7)
- When rheumatology and infectious disease come together (2019) (7)
- Protection of vaccination versus hybrid immunity against infection with COVID-19 Omicron variants among Health-Care Workers (2022) (6)
- Hospital-wide antifungal prescription in Greek hospitals: a multicenter repeated point-prevalence study (2019) (6)
- A Nationwide Study about the Dispersal Patterns of the Predominant HIV-1 Subtypes A1 and B in Greece: Inference of the Molecular Transmission Clusters (2020) (6)
- Eosinophilic granuloma of the femur in an HIV-1-positive patient. (2002) (6)
- HIV infection and ankylosing spondylitis. Which benefits from the coexistence? (2000) (6)
- Point-prevalence survey of healthcare facility-onset healthcare-associated Clostridium difficile infection in Greek hospitals outside the intensive care unit: The C. DEFINE study (2017) (6)
- Rezafungin versus caspofungin for treatment of candidaemia and invasive candidiasis (ReSTORE): a multicentre, double-blind, double-dummy, randomised phase 3 trial (2022) (5)
- A Prospective Multicenter Cohort Surveillance Study of Invasive Aspergillosis in Patients with Hematologic Malignancies in Greece: Impact of the Revised EORTC/MSGERC 2020 Criteria (2021) (5)
- A comparative study of heterogeneous antibiotic resistance of microbial populations in conventional periprosthetic tissue cultures and sonication fluid cultures of orthopaedics explanted prostheses (2020) (5)
- Comparison of two oral regimens for the outpatient treatment of low-risk cancer patients with chemotherapy-induced neutropenia and fever: Ciprofloxacin plus cefuroxime axetil versus ciprofloxacin plus amoxicillin/clavulanate (2007) (5)
- Subclinical tumor lysis-like syndrome during treatment of visceral leishmaniasis with low-dose intermittent liposomal amphotericin B (2012) (4)
- Invasive Candidiasis in the Neutropenic Cancer Patient (2011) (4)
- A suspicious stroke. (2008) (4)
- Continuous L3 spondylitis caused by an infected endovascular aortic graft. (2014) (4)
- Regarding Relapsing Aspergillosis and the Efficacy of Secondary Antifungal Prophylaxis in Patients with Hematological Malignancies (2006) (4)
- Nonclinical data supporting orphan medicinal product designations in the area of rare infectious diseases. (2019) (4)
- Pregabalin for Opioid-Refractory Pain in a Patient with Ankylosing Spondylitis (2013) (4)
- A Simple Prognostic Score for Critical COVID-19 Derived from Patients without Comorbidities Performs Well in Unselected Patients (2022) (4)
- Spontaneous liver and kidney hematomas in a 27-year-old male patient with a history of juvenile rheumatoid arthritis. (1998) (3)
- Malignant mesothelioma in an HIV-positive patient. (1994) (3)
- Osteoarticular Mycoses (2022) (3)
- Immature granulocytes: Innovative biomarker for SARS-CoV-2 infection (2022) (3)
- Seroprevalence of HIV, HBV and HCV in orthopaedic patients at a tertiary hospital in Greece (2011) (3)
- AIDS-related cutaneous Kaposi's sarcoma: failure of treatment with human chorionic gonadotropin. (1999) (3)
- The HIV patient profile in 2013 and 2003: Results from the Greek AMACS cohort (2018) (3)
- A clinical audit of pneumococcal vaccination among patients with autoimmune rheumatic diseases living in Greece: The power of awareness. (2021) (3)
- Q-fever presenting as an autoimmune disease: case report and review (2011) (3)
- Vaccination Hesitancy among Health-Care-Workers in Academic Hospitals Is Associated with a 12-Fold Increase in the Risk of COVID-19 Infection: A Nine-Month Greek Cohort Study (2021) (3)
- Acute hepatitis and liver injury in hospitalized patients with COVID‑19 infection (2022) (3)
- Earlier treatment initiation is associated with a decreased number of HIV-1 subtype A1 transmissions in Greece (2020) (3)
- Dating the Origin and Estimating the Transmission Rates of the Major HIV-1 Clusters in Greece: Evidence about the Earliest Subtype A1 Epidemic in Europe (2022) (2)
- Performance, Correlation and Kinetic Profile of Circulating Serum Fungal Biomarkers of Invasive Aspergillosis in High-Risk Patients with Hematologic Malignancies (2021) (2)
- Micafungin in haematology (2012) (2)
- Comparison of liver function test- and inflammation-based prognostic scores for coronavirus disease 2019: a single center study (2022) (2)
- Regulatory T Cell Counts and Development of Malignancy in Patients with HIV Infection. (2020) (2)
- International Congress of Drug Therapy in HIV Infection 23-26 October 2016, Glasgow, UK (2016) (2)
- Vaccination coverage rates and attitudes towards mandatory vaccinations among healthcare personnel in tertiary-care hospitals in Greece (2022) (2)
- Severe cutaneous hand infection: Mycobacterium marinum in an immunosuppressed patient. (2018) (2)
- Tuberculosis in inflammatory arthritis: are biological therapies the only culprits? (2019) (2)
- Changes in Body Mass Index after Initiation of Antiretroviral Treatment: Differences by Class of Core Drug (2022) (2)
- Timing of last COVID-19 vaccine dose and SARS-CoV-2 breakthrough infections in fully (boosted) vaccinated healthcare personnel (2022) (1)
- Evolution of epidemiological characteristics of infective endocarditis in Greece. (2021) (1)
- Association between COVID-19 vaccination status, time elapsed since the last vaccine dose, morbidity, and absenteeism among healthcare personnel: A prospective, multicenter study (2022) (1)
- Worldwide challenges of multidrug-resistant bacteria in patients with hematologic malignancies (2013) (1)
- Estimation of the determinants for HIV late presentation using the traditional definition and molecular clock‐inferred dates: Evidence that older age, heterosexual risk group and more recent diagnosis are prognostic factors (2022) (1)
- Evaluation of the Dynamiker® Fungus (1–3)-β-d-Glucan Assay for the Diagnosis of Invasive Aspergillosis in High-Risk Patients with Hematologic Malignancies (2022) (1)
- Liver Fibrosis Assessment in a Cohort of Greek HIV Mono-Infected Patients by Non-Invasive Biomarkers. (2019) (1)
- Effectiveness of full (booster) COVID-19 vaccination against severe outcomes and work absenteeism in hospitalized patients with COVID-19 during the Delta and Omicron waves in Greece (2023) (1)
- Factors predicting poor outcomes of patients treated with tocilizumab for COVID‑19‑associated pneumonia: A retrospective study (2022) (1)
- Role of diabetes mellitus in the clinical course and outcome of SARS-CoV-2 infected patients (2022) (1)
- Infectious Complications of Anti-Tumour Necrosis Factor-α Therapy in Rheumatoid Arthritis (2012) (1)
- Detection of subclinical coronary artery lesions by Framingham risk score, peripheral artery atheromatosis and coronary artery calcium score: a pilot study in asymptomatic individuals living with HIV. (2021) (1)
- Post-COVID-19 interstitial lung disease: Insights from a machine learning radiographic model (2023) (1)
- Fatal Nucleoside-associated Lactic Acidosis in an Obese Woman with Human Immunodeficiency Virus Type 1 Infection on a Very Low-calorie Diet (2003) (1)
- Circulating autoantibodies to endogenous erythropoietin are associated with chronic hepatitis C virus infection-related anemia. (2017) (1)
- Lymphogranuloma Venereum Mimicking Lymphoma on FDG PET/CT. (2022) (1)
- Inhibition of Human Immunodeficiency Virus Type 1 Replication in Primary CD 4 1 T Lymphocytes , Monocytes , and Dendritic Cells by Cytotoxic T Lymphocytes (2000) (1)
- Treatment Modifications and Treatment-Limiting Toxicities or Side Effects: Risk Factors and Temporal Trends. (2015) (1)
- A Yeast in the Blood is Not Always Candida: A Case of Invasive Trichosporonosis in a Splenectomized Patient (2011) (0)
- Is Carbapenem-resistant Klebsiella pneumoniae Infection in Pediatric Bone Marrow Transplantation Recipients Inevitably Fatal? (2021) (0)
- Acknowledgement of Reviewers 2011 (2012) (0)
- COVID-19 and Respiratory Virus Co-Infections: A Systematic Review of the Literature (2023) (0)
- Corrigendum: Post-COVID-19 interstitial lung disease: Insights from a machine learning radiographic model (2023) (0)
- The Anti-tuberculosis Battle in Greece in the 1800s and 1900s (2022) (0)
- Abnormal liver function tests and coronavirus disease 2019: A close relationship (2022) (0)
- Onodera's prognostic nutritional index: Comparison of its role in the severity and outcomes of patients with COVID‑19 during the periods of alpha, delta and omicron variant predominance. (2022) (0)
- Cytosolic Localization Dependence on TAP1/2 and Mechanisms for for Class I-Restricted Recognition: Processing of HIV-1 Envelope Glycoprotein (1999) (0)
- Antimicrobial stewardship programs in areas of increased pathogen resistance. (2017) (0)
- Bilateral dilation of the urinary tract due to iliopsoas pyomyositis: a case report (2011) (0)
- A Comparative study of microbial population heterogeneity resistance to antibiotics in tissue culture and sonication fluid culture in explanted internal fixation components (2019) (0)
- Validation of Sequential ROX-Index Score Beyond 12 Hours in Predicting Treatment Failure and Mortality in COVID-19 Patients Receiving Oxygen via High-Flow Nasal Cannula (2023) (0)
- Sexually Transmitted Infections in a Cohort of 15,921 Refugees (1926-1940) in the Region of Imathia, Northern Greece. (2020) (0)
- Biomarkers predicting the 30‑day mortality of patients who underwent elective surgery and were infected with SARS‑CoV‑2 during the post‑operative period: A retrospective study (2022) (0)
- Low pre-ART CD4 count is associated with increased risk of clinical progression or death even after reaching 500 CD4 cells/μL on ART (2023) (0)
- REDS study: Retrospective Effectiveness study of Dalbavancin and other Standard of Care of the same class in patients with ABSSSI. (2020) (0)
- Effectiveness of a Self-Decontaminating Coating Containing Usnic Acid in Reducing Environmental Microbial Load in Tertiary-Care Hospitals (2023) (0)
- Fungal Infections in Cancer Patients (2019) (0)
- The Manchurian pandemic of pneumonic plague (1910-1911). (2022) (0)
- Comparison of liver function test- and inflammation-based prognostic scores for coronavirus disease 2019: a single center study. (2022) (0)
- Hospital-wide antifungal prescription in Greek hospitals: a multicenter repeated point-prevalence study (2019) (0)
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