Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsArgyrios Tzouvelekis, MD, PhD
Associate Professor Adjunct of Medicine (Pulmonary, Critical Care and Sleep Medicine)About
Research
Publications
2025
The Prognostic Role of Different Blood Cell Count-to-Lymphocyte Ratios in Patients with Lung Cancer at Diagnosis
Papaioannou O, Fiste O, Theohari E, Sampsonas F, Dimitrakopoulos F, Koutras A, Gkiozos I, Vathiotis I, Kotteas E, Tzouvelekis A. The Prognostic Role of Different Blood Cell Count-to-Lymphocyte Ratios in Patients with Lung Cancer at Diagnosis. Cancers 2025, 17: 3879. PMID: 41375080, PMCID: PMC12691473, DOI: 10.3390/cancers17233879.Peer-Reviewed Original ResearchPlatelet-to-lymphocyte ratioMonocyte to lymphocyte ratioNeutrophil-to-lymphocyte ratioNon-small-cell lung cancerMedian neutrophil-to-lymphocyte ratioSmall-cell lung cancerDiagnosis of LCLung cancerLymphocyte ratioPrognostic roleSquamous non-small-cell lung cancerMLR valuesSecondary outcomesUniversity HospitalPrognostic of clinical outcomeDepartment of Respiratory MedicinePD-L1 expressionUniversity Hospital of PatrasKaplan-Meier curvesTime of diagnosisAssociation of tumorsMortality riskCancer-related mortalityAssociated with significantly higher mortality riskPD-L1Post-stroke sleep disordered breathing and the effect of positive airway pressure treatment: An updated systematic review and meta-analysis of randomized control trials
Sampsonas F, Karamouzos V, Doulberis M, Karkoulias K, Lykouras D, Steiropoulos P, Tzouvelekis A. Post-stroke sleep disordered breathing and the effect of positive airway pressure treatment: An updated systematic review and meta-analysis of randomized control trials. Sleep Medicine Reviews 2025, 85: 102207. PMID: 41297370, DOI: 10.1016/j.smrv.2025.102207.Peer-Reviewed Original ResearchPositive airway pressure treatmentMeta-analysis of randomized controlled trialsRandomized Controlled TrialsRecurrent vascular eventsEffect of positive airway pressure treatmentVascular eventsControlled TrialsPositive airway treatmentObstructive sleep apneaMeta-analysisSleep apneaAirway treatmentPAP treatmentNeurological deficitsCognitive functionUnder-treatedUnder-diagnosedPatientsIndependent ORConventional armSystematic reviewElsevier databasesTreatmentPAPStrokeIntravenous immunoglobulin in acute exacerbations of fibrotic interstitial lung diseases: A retrospective, real-world study
Sotiropoulou V, Theochari E, Katsaras M, Tsiri P, Komninos D, Christopoulos I, Tsirikos G, Sampsonas F, Kalogeropoulou C, Daoussis D, Karkoulias K, Tzouvelekis A. Intravenous immunoglobulin in acute exacerbations of fibrotic interstitial lung diseases: A retrospective, real-world study. 2025, pa1824. DOI: 10.1183/13993003.congress-2025.pa1824.Peer-Reviewed Original ResearchInflammatory Reaction post EBUS-TBNA and the role of IL-6
Sampsonas F, Tsirikos G, Anagnostopoulos A, Koukaki E, Tsiri P, Katsaras M, Papaioannou O, Komninos D, Papalexatos D, Karamouzos V, Koulousousa I, Sotiropoulou V, Dimitrakopoulos F, Kottorou A, Stratakos G, Tzouvelekis A. Inflammatory Reaction post EBUS-TBNA and the role of IL-6. 2025, pa3073. DOI: 10.1183/13993003.congress-2025.pa3073.Peer-Reviewed Original ResearchReal world evidence of administration of biologic agents in patients with severe asthma: an analysis of the Respiratory Department of University Hospital of Patras
Papaioannou O, Christopoulos I, Tsiri P, Sampsonas F, Karkoulias K, Lykouras D, Sotiropoulou V, Theohari E, Papalexatos D, Komninos D, Christopoulos A, Tzouvelekis A. Real world evidence of administration of biologic agents in patients with severe asthma: an analysis of the Respiratory Department of University Hospital of Patras. 2025, pa327. DOI: 10.1183/13993003.congress-2025.pa327.Peer-Reviewed Original ResearchNeutrophil elastase and NETs contribute to disease exacerbation in pleural infection
Chu J, Elsheikh A, Manoharan N, Tzouvelekis A, Koulousousa E, Sampsonas F, Dong T, Knight J, Rahman N, Kanellakis N. Neutrophil elastase and NETs contribute to disease exacerbation in pleural infection. 2025, pa3903. DOI: 10.1183/13993003.congress-2025.pa3903.Peer-Reviewed Original ResearchObstructive sleep apnea and metabolic syndrome association. A meta-analysis
Zarkadi E, Karamouzos V, Sampsonas F, Lykouras D, Karkoulias K, Fligou F, Tzouvelekis A, Steiropoulos P. Obstructive sleep apnea and metabolic syndrome association. A meta-analysis. 2025, pa4559. DOI: 10.1183/13993003.congress-2025.pa4559.Peer-Reviewed Original ResearchPost-stroke sleep disordered breathing and the effect of positive airway pressure treatment: An updated systematic review and meta-analysis of randomized control trials
Sampsonas F, Lykouras D, Karamouzos V, Doulberis M, Karkoulias K, Steiropoulos P, Tzouvelekis A. Post-stroke sleep disordered breathing and the effect of positive airway pressure treatment: An updated systematic review and meta-analysis of randomized control trials. 2025, pa5625. DOI: 10.1183/13993003.congress-2025.pa5625.Peer-Reviewed Original ResearchIntravenous Immunoglobulin in Acute Exacerbations of Fibrotic Interstitial Lung Diseases: A Retrospective, Real-World Study
Sotiropoulou V, Theochari E, Katsaras M, Tsiri P, Komninos D, Christopoulos I, Tsirikos G, Kalogeropoulou C, Daoussis D, Karkoulias K, Sampsonas F, Tzouvelekis A. Intravenous Immunoglobulin in Acute Exacerbations of Fibrotic Interstitial Lung Diseases: A Retrospective, Real-World Study. Medicina 2025, 61: 1594. PMID: 41010986, PMCID: PMC12472164, DOI: 10.3390/medicina61091594.Peer-Reviewed Original ResearchConceptsPotential of intravenous immunoglobulinTherapeutic potential of intravenous immunoglobulinIntravenous immunoglobulinFibrotic interstitial lung diseaseInterstitial lung diseaseTherapeutic potentialImmunocompromised statusAcute exacerbationLung diseaseIntravenous immunoglobulin therapyLong-term oxygen therapyBroad-spectrum antibioticsCurrent therapeutic approachesNo adverse eventsOptimal treatment protocolFrequency of infectionReal-world studyPulse corticosteroidsWell-toleratedRetrospective studyAdverse eventsOxygen therapyILD subtypesIn-HospitalTreatment strategiesPractice of oxygenation and respiratory support during fibreoptic bronchoscopy: the OxyFOB study protocol
Longhini F, Crimi C, Noto A, Pelaia C, Karakurt Z, Skoczyński S, Boléo-Tomé J, Winck J, Esquinas A, Melhorn J, Corneci D, Pobeha P, Bosco V, Garofalo E, Bruni A, Cammarota G, Todorova V, Puci M, Sotgiu G, Kostikas K, Maggiore S, De Robertis E, Ergan B, Landoni G, Simonte R, Nava S, Navalesi P, Scala R, Karakurt Z, Gundogus B, Donmez G, Ernam D, Campainha S, Oliveira A, Teixeira M, Gouveia F, Monteiro C, Veske N, Altın S, Günlüoğlu G, Chousein E, Arıkan H, Karakurt S, Lacedonia D, Torraco R, Tondo P, Bialka S, Palaczynski P, Danel J, Jankowiak P, Kędra M, Bednarska M, Carpagnano E, Boniello E, Portacci A, Scarlata S, Finamore P, Fontata D, Kania A, Celejewska-Wojcik N, Rygiel K, Tobiczyk E, Springer D, Cofta S, Maugeri J, Bellissima A, Tamburrini M, Papi A, Morandi L, Franco C, Chiesa S, Verti N, Zieliński M, Mondoni M, Intravaia C, Carlucci P, Karnak D, Çiledağ A, Kaya A, Ghinassi G, Guidelli L, Santus P, Radovanovic D, Saad M, Roquete C, Fortes R, Porpodis K, Tsiouprou I, Lagoudi K, Pelaia G, Marrazzo G, Montenegro N, Biondini D, Damin M, Spagnolo P, Rodrigues J, Pinto M, Maia D, Sampsonas F, Tzouvelekis A, Tsirikos G, Loukides S, Raptakis T, Papavasileiou V, Vaschetto R, Tonino A, Patrucco F, Gomes R, Soares J, Santana M, Neri G, Corea A, Caroleo A, Grande A, Veltri D, Costumato G, Di Lorenzo F, Bonadio G, Caroleo Z, Guerriero G, Mazza G, Mellace F, Perrelli G, Riillo S, Ruocco G, Camastra A, Gaetano G, Mesiti A, Guzzi G, Mastrangelo H, Pisani L, VegaPittao M, Stratakos G, Koukaki E, Anagnostopoulos N, Dongilli R, Stirpe E, Köhl J, Skyba P, Sokolová E, Santos M, Aguiar M, Zias N, Papadakis I, Terragni P, Pistidda L, Castagna R, Popescu M, Rogliani P, Puxeddu E, Frugoni C, Notaro S, Piscitelli E, González E, Cañigral Á, Turi S, Mucchetti M, Belletti A, Volonterio G, Sommaruga S, Navarria R, Nardo A, Morana G, Palmiotto G, Iuliano A, Bastos H, Scolletta S, Biuzzi C, Sorino C, Hida D, Arrighi E, Gambardella P, Perri G, Cortegiani A, Ippolito M, Alessandri F, Sanda V, Zullino V, Rocco M, Fiorelli S, Nunes L, Gregoretti C, Misseri G, Piattoli M, Curto I, Tescione M, Vadalà E, Piccolo A, Mammone S, Gnass M, Gniady P, Steiropoulos P, Drakopanagiotakis F, Gianozzi L, Chronis C, Novelli L, Katsoulis K, Fois A, Oraczewska A. Practice of oxygenation and respiratory support during fibreoptic bronchoscopy: the OxyFOB study protocol. BMJ Open 2025, 15: e104747. PMID: 40897500, PMCID: PMC12410610, DOI: 10.1136/bmjopen-2025-104747.Peer-Reviewed Original ResearchConceptsVentilatory support strategiesFlexible bronchoscopyOxygen therapyContinuous positive airway pressurePositive airway pressureHigh-flow oxygen therapyConventional oxygen therapyInvasive mechanical ventilationNon-invasive ventilationObservational cohort studyMultivariate logistic regressionCase report formsElectronic case report formsVentilatory approachAirway pressurePrimary endpointRespiratory supportPostprocedural complicationsHaemodynamic complicationsClinical outcomesFibreoptic bronchoscopyCardiovascular comorbiditiesClinical impactMechanical ventilationFB procedures