1. Spiropoulos K., Wyezomiersky S., Eigen H., Scott P. Meconium

          Aspiration Syndrome : An absence of pulmonary sequel. 51^st Annual Scientific Assembly.American College of Chest Physicians. October 28 –November 1, 1986. New Orleans Louisiana OSA. Convention Issue p. 225.

2. Papadimitriou M., Spiropoulos K.,Mantas J., Papas N., Siafakas N., Sparos L. PPD Skin test among population groups with different habits. 1^st Mediterranean medical Meeting. September 24 – 28, 1989.Heraklion Greece. Abstract Book p. 112.
3. Papadimitriou M., Sparos L., Mantas J., Spiropoulos K., Vagiakis E., Baptopoulos G., Siafakas N., Vital statistics – Socioeconomic status and PPD skin test. 1^st Mediterranean Medical Meeting. September 24 – 28, 1989, Heraklion Greece. Abstract Book p. 111.
4. Papadimitriou M., Mantas J., Spiropoulos K., Vagiakis E., Efthimiou M., Sparos L. Medical History and PPD skin test in an unselected population group. 1^st Mediterranean Medical Meeting. September 24 – 28, Heraklion Greece.
5. Papadimitriou M., Spiropoulos K., Mantas J., Vagiakis E., Argirakopoulos P., Siafakas N., Sparos L. Positive PPD skin test are varied according to the occupations. 1^st Mediterranean Medical Meeting. September 24 – 28, 1989, Heraklion Greece. Abstract Book p.114.
6. Spiropoulos K., Papadimitriou M., Argiriou E., Gogos Ch., Ginopoulos P., Chronic non – specific respiratory disease and pulmonary function in the fighters. ERS Meeting. August 29^th – September 3th 1992. Austrian Center p. 247S.
7. Spiropoulos K., Tsarouhis G., Lymberopoulos D., Solomou A., Garantziotis G., Charokopos N., Papadimitriou M., Argiriou E. Symptoms and experiences of COPD in relation with the PaCO₂and PaO₂ ERS Annual Congress, September 25^th – 29^th 1993, Firenze, Italy. Abstract p. 4135.
8. Spiropoulos K.,Lymberopoulos D., Tsarouhis G., Charokopos N., Papadimitriou M., Solomou A. Relationship between parental smoking and children’s pulmonary function tests. ERS Annual Congress September 25^th – 29^th 1993, Firenze, Italy. Abstract p. 1555.
9. Spiropoulos K.,Solomou A., Siamblis D., Dimopoulos J., Lymberopoulos D. Computed Tomography of the lung parenchyma and the pulmonary function test. ERS Annual Congress. September 25^th – 29^th, 1983. Firenze, Italy p. 155S.
10. Spiropoulos K.,Lymberopoulos D., Garantziotis G., Tsiliras A., Gogos Ch. Immunoglobulin A (lgA) production in chronic bronchitis patients stimulated with an orally administrated bacterial lysate (Differences between patients who receive corticosteroid treatment or not). XVII World Congress on Diseases of the Chest, June 13 – 18, 1993. Amsterdam in the Netherlands p. 1825.
11. Spiropoulos K., Lymberopoulos D., Dougenis D., Garantziotis G., Tsiliras A. A prototype knowledge system for supporting diagnostic decision in pneumonology, spirometry, symptoms and experiences in chronic obstructive pulmonary disease. XVII World Congress on Diseases of the Chest. June 13 – 18, 1993. Amsterdam in the Netherlands p. 184S.
12. Spiropoulos K.,Garantziotis G., Lymberopoulos D. A prototype knowledge system for supporting diagnostic decisions in pneumonology. XVII World Congress on Diseases of the Chest. June 13 – 18, 1993. Amsterdam in the Netherlands p. 2309.
13. Spiropoulos K., Tsapanos V., Charokopos N., Spiliopoulou M., Lavranos A., Charalampopoulou A. Pulmonary function changes during pregnancy. ERS Annual Congress. October 1^st – 5st, 1994. Nice France p. 189S.
14. Spiropoulos K., Tsapanos V., Trakada G., Lymberopoulos D., Spiliopoulou M., Iosifidou M. Oxygen saturation and arterial oxygen partial pressure of women during labour. ERS Annual Congress. September 16^th – 20^th, 1995. Barcelona Spain p. 230S.
15. Spiropoulos K., Charokopos N., Alexopoulos D., Mazarakis A., Petsas T., Christodoulou J., Trakada G., Basiaris C. Non – Invasive diagnosis of pulmonary arterial hypertension (PAH) in chronic obstructive lung disease (COLD). American Thoracic Society. International Conference. Abstract Volume 153 – Number 4. April 1996 p. A89.
16. Charokopos N., Spiropoulos K., Alexopoulos D., Christodoulou J.,Trakada G., Ginopoulos P., Dougenis D. Mathematical calculation of mean pulmonary arterial pressure (PAP) in patients with COPD. ERS Annual Congress. September 7 – 11, 1996. Stockholm, Sweden p. 194S.
17. Spiropoulos K., Trakada G., Charalampopoulou A. Charokopos N. Serum magnesium during treatment of acute bronchospasm with nebulized salbutamol. ERS Annual Congress, September 7 – 11, 1996, Stockholm, Sweden p. 350S.
18. Spiropoulos K., Trakada G., Papadimitriou N., Spiliopoulou M., Charokopos N., Marneras N., Gaki E., Serum Mg⁺⁺concentration during acute attacks and remissions of asthma. XV^th World Congress of Asthmology. April 24 – 27, 1996. Abstract p.61.
19. Spiropoulos K.,Charokopos N., Mazarakis A., Christodoulou J. Prediction of value of mean pulmonary artery pressure (PAP) in patients with chronic pulmonary disease. ERS Annual Congress. September 20 – 24, 1997, Berlin Germany p. 253S.
20. Mimidis K., Toulgaridis T., Christodoulou J., Karatza C., Spiropoulos K.,Thomopoulos K., Charokopos N., Margaritis V., Nikolopoulou V. Pulmonary vascular dilatation in normoxaemic patients with early line cirrhosis. 6^thUEGW Birmingham, 1997 Gut Volume 29. P. A 232.

21. Spiropoulos K.,Trakada G., Charokopos N., Georgiou G., Avgeridis K. Asthma and wheezing in schoolchildren. The annual Meeting of the European Academy of Allergology and Clinical Immunology. EAACP 1997, June 1 – 5, 1997. Rhodos Hellas p. 189.

22. Spiropoulos K.,Charokopos N., Trakada G., Peristerakis A., Kondakis X. Exposure to patients smoking and lung function in adeloscences in the relation to the smoking habits of the parents. ERS Annual Congress. September 20 – 24, 1997, Berlin, Germany p.93S.

23. Spiropoulos K.,Trakada G. Chronic obstructive pulmonary disease (COPD) management among primary health care physicians in Greece. ERS Annual Congress. October 9 – 13, 1997. Madrid Spain p. 525S.

24. Trakada G., Tsapaos V., Skouta A., Spiropoulos K. Breathing sleep in late pregnancy. ERS Annual Congress. October 9 – 13, 1999. Madrid Spain p. 224S.

25. Trakada G., Tsapaos V.,Spiropoulos K.Pulmonary function and smoking during the third trimester of pregnancy. ERS Annual Congress. October 9 – 13, 1999. Madrid Spain p. 76S.

26. Trakada G., Tsapaos V.,Spiropoulos K.The diffusing capacity of the lungs during the trimester of during pregnancy. ERS Annual Congress. October 9 – 13, 1999. Madrid Spain p. 223S.

27. Trakada G., Spiropoulos K.,Economou G., Karavalselou E. A computer – aided medical system for the diagnosis of bronchial asthma. World Asthma Meeting. December 9 –13, 1999. Barcelona Spain. Abstract p. 32S.

29. Gratziou C., Bousmoukilia S., Rovina N., Gourgoulianis K., Christaki P., Liapikou M., Spiropoulos K., Konstantopoulos S. The role of patients education by specialist in he control of asthma. XIX^th Congress of the European Academy of Allergology and Clinical Immunology, July 1 – 5, 2000. Lisbon, Portygal. Abstract 1002, p. 1002.
30. Trakada G., Marangos M., Spiropoulos K.Chronic obstructive disease :endothelin – 1 elevation in patients with nocturnal oxyhaemoglobindesaturation. ERS Annual Congress. August – September, 2000 Florence. p 9.
31. Trakada G., Spiropoulos K. Arterial endothelin – 1 in asthma attack and remission. ERS Annual Congress. August – September, 2000 Florence. p89.
32. Spiropoulos K., Trakada G. Action of corticosteroids to the interleukines (IL2 – IL4) production from blood lymphocytes (CD4+) in patients with asthma after stimulation (in vitro). ERS Annual Congress. August – September, 2000 Florence. p460.
33. Psachoulia C., Kardari M., Labropoulou EP., Kiriazis P., Peristeropoulou P., Tsiamita M., Spiropoulos K.Carcinoid tumor metastatic to the trachea diagnosed by exfoliated cytology : a case report. 14^th International Congress of Cytology. May 27 – 31, 2001 Amsterdam. p257.
34. Spiropoulos K., Trakada G., Tsiamita M. Hypothyroidism and Obstructive Sleep Apnea. 6^th State – of – the – Art Interdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 12 – 14, 2002, Athens. p39.
35. Spiropoulos K., Trakada G., Tsiamita M., Efremidis G. Antibiotic therapy in lower respiratory tract infections. 6^th State – of – the – Art Interdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 12 – 14, 2002, Athens. p42.
36. Spiropoulos K., Trakada G., Tsiamita M., Efraimidis G. Prognostic factors of outcome in lower respiratory tract infections. 6^th State – of – the – Art Interdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 12 – 14, 2002, Athens. p43.
37. Spiropoulos K., Trakada G. Non – apneic, oxyhaemoglobin desaturation during sleep and endothelin – 1 concentration in COPD. 16^th Congress of the European Sleep Research Society, June 3 – 7 2002, Reykjavik, Iceland. p227.
38. Trakada G., Dauviliers Y., Carlander B., Besset A., Spiropoulos K., Biliard M. Aspects familaux de l’ hypersomnia idiopathique (Formepolysymptomatique). XVIIemeCongres de la SocieteFrancaise de Recherchesur le Sommei, 14 – 16 Novembre 2002, Strasbourg. p68.
39. Kalogeropoulou C., Kalaboka D., Zabakis P., Tsota I., Spiropoulos K., Petsas T. Correlation between the HRCT indices and pulmonary function tests in patients with chronic obstructive pulmonary disease (work in progress). ECR, European Radiology February 2003. P421.
40. Trakada G., Tsiamita M., Prodromaki E., Efremidis G., Nousi E., Karkoulias K., Spiropoulos K. Prognostic factors for fatal outcome in Lower Respiratory Tract Infections (LRTIs). 4^th International Conference on Advances in Pulmonary Rehabilitation and Management of Chronic Respiratory Failure. 19 – 22 March 2003, Stresa, Italy. p12.
41. Trakada G., Tsiamita M., Prodromaki E., Efremidis G., Nousi E., Karkoulias K., Spiropoulos K.Chronic Obstructive Pulmonary Disease and Lower Respiratory Tract Infections. 4^th International Conference on Advances in Pulmonary Rehabilitation and Management of Chronic Respiratory Failure. 19 – 22 March 2003, Stresa, Italy. p6.
42. Trakada G., Tsiamita M., Prodromaki E., Efremidis G., Nousi E., Karkoulias K., Spiropoulos K.Sleep and endothelin – 1 in Chronic Obstructive Pulmonary Disease. 4^th International Conference on Advances in Pulmonary Rehabilitation and Management of Chronic Respiratory Failure. 19 – 22 March 2003, Stresa, Italy. p19.
43. Trakada G., Tsiamita M., Prodromaki E., Efraimidis G., Nousi E., Karkoulias K., Spiropoulos K.Endothelin – 1 in Chronic Obstructive Pulmonary Disease and Asthma. 4^th International Conference on Advances in Pulmonary Rehabilitation and Management of Chronic Respiratory Failure. 19 – 22 March 2003, Stresa, Italy. p19.
44. Tsitsaras Ch., Prodromakis H., Karkoulias K., Efremidis G., Spiropoulos K.The effect of long term Formoterol administration on the correlation of FEV₁with Vo₂max during exercise testing in COPD patients. 7^thState – of – the – Art Inderdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 2003, Athens. p37.
45. Trakada G., Tsiamita M., Prodromaki E., Efraimidis G., Nousi E., Karkoulias K., Spiropoulos K.Endothelin – 1 in Chronic Obstructive Pulmonary Disease and Asthma. 7^thState – of – the – Art Inderdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 2003, Athens. p40.
46. Trakada G., Tsiamita M., Prodromaki E., Efraimidis G., Nousi E., Karkoulias K., Spiropoulos K.Chronic Obstructive Pulmonary Disease and Asthma. 7^thState – of – the – Art Inderdisciplinary Review Course on Thoracic & Critical Care Medicine, under the auspices of the European Respiratory Society, April 2003, Athens. p40.
47. Tsota I., Kalogeropoulou C.P., Papathanasiou Z., Kappes G., Trakada G., Spiropoulos K., Petsas T. Injection of normal saline extrapleurally for preventing pneumothorax in percutaneous lung biopsies (PLB). European Society of Thoracic Imaging, 11^th Annual Meeting. June 2003, Lausanne.
48. Efremidis G., Trakada G., Tsiamita M., Spiropoulos K. Relationship between dyspnea levels and health – related quality of life (HRQol) in patients with stable chronic obstructive pulmonary disease. European Respiratory Society Annual Congress. Vienna 2003. p240s.
49. Efremidis G., Trakada G., Tsiamita M., Spiropoulos K.Factors contribute to limit exercise in COPD and Asthma. European Respiratory Society Annual Congress. Vienna 2003. p53s
50. Efremidis G., Trakada G., Tsiamita M., Spiropoulos K.Multi – drug resistance tuberculosis in Greece. European Respiratory Society Annual Congress. Vienna 2003.p344s.
51. Efremidis G., Trakada G., Tsiamita M., Spiropoulos K., Kalamboka D. Pulmonary function tests and high resolution computed tomography in patients with COPD. European Respiratory Society Annual Congress. Vienna 2003.p245s.
52. Kalogeropoulou C., Kalampoka D., Zampakis P., Tsota I., Spiropoulos K., Petsas T. HRCT indices and pulmonary function tests in patients with chronic bronchial asthma. ECR (European Radiology), February 2004. p406.
53. Tsitsaras H., Prodromaki E., Alhanatis M., Katsoni A., Trakada G., Tsiamita M., Pouli A., Spiropoulos K.The effect of long term administration of inhaled Formoterol on Vo₂max of COPD patients. European Respiratory Society Annual Congress. Glasgow 2004.
54. Tsitsaras H., Prodromaki E.,Nousi E., Katsoni A., Karkoulias K., Efremidis G., Trakada G., Tsiamita M., Pouli A., Spiropoulos K. A retrospective evaluation of our bronchoscopy lub data in relation with lung cancer. European Respiratory Annual Society Congress. Glasgow 2004.
55. Spiropoulos K., Sampsonas F., Lykouras D., Drakatos P., Karkoulias K. Association between the + 138/Explins/dela and Lys198 Asn Polymorphisms of the endothelin – 1 gene and the development of COPD 13^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases April 2 – 4, 2009, Athens, Greece.
56. Karkoulias K., Sampsonas F., Roulia I., Lykouras D., Spiropoulos K.Case of a very rare cause of Haemoptysis in a 30 – year old mal non – smoker 13^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases April 2 – 4, 2009, Athens, Greece.
57. Lykouras, A. Skoura, F. Sampsonas, G. Efremidis, M. Tsiamita, K. Karkoulias, K. Spiropoulos. Cytological Results of Patients Suffering from lung. Cancer in a Referal Population in Western Greece. European Multidisciplinary Conference in Thoracic Oncology (EMCTO). May 1 – 3, 2009 Lugano, Switzerland.
58. Lykouras, A. Skoura, K. Karkoulias, K. Spiropoulos. Cytological Results of Patients who Have undergone Bronchoscopy in a Referal Population in Western Greece. European Multidisciplinary Conference in thoracic Oncology (EMCTO). May 1 – 3, 2009 Lugano, Switzerland.
59. Lykouras, F. Sampsonas, A. Kaparianos, K. Karkoulias, K. Spiropoulos. Association of Endothelin – 1. Polymorphisms to Impaired Exercise Tolerance in COPD. Patients 14^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases June 18 – 20 2010, Athens –Greece.
60. Sampsonas, A. Kaparianos, D. Lykouras, G. Efremidis,K. Spiropoulos. Correlation Between Emphysematous and non Emphysematous Phenotypes of COPD and ET – L Gene Polymorphisms 14^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases June 18 – 20 2010, Athens  – Greece.
61. Karkoulias, D. Lykouras, K. Spiropoulos. The Quality of Life is Strongly Correlated to SaO₂and RDI in Patients with OSAS 14^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases June 18 – 20 2010, Athens  – Greece.
62. Lykouras, M. Sarigianou, F. Sampsonas, P. Drakatos, A. Bellou, M. Tranou, M. Nanopoulou, K. Spiropoulos. OSAS and Hospital Anxiety Depression Scale : Preliminary Data of a Referal Population 14^th State – of – the – Art Inderdisciplinary Review Course on Pulmonary Diseases June 18 – 20 2010, Athens  – Greece.
63. Drakatos, D. Lykouras, K. Spiropoulos, K. Karkoulias. Up to date imaging evaluation of the upper airway patients with OSAS International Conference on Biochemical Data and Knowledge Mining Toward Biomarker Discovery. July 7 – 9, 2010 Center for Applied Optimization, University of Florida.
64. Sampsonas, A. Kaparianos, D. Lykouras, K. Karkoulias, K. Spiropoulos. Association ET – I gene polymorphisms with emphysematous and non – emphysematous phenotypes in a COPD Caucasian Population ERS Annual Congress September 18 – 22 2010 Spain Barcelona.
65. Lykouras, F. Sampsonas, K. Spiropoulos. Endothelin – 1 polymorphism involved in the impaired exercise tolerance in COPD patients. A precussor of pulmonary hypertension ERS Annual Congress September 18 – 22 2010 Spain Barcelona.
66. Lykouras,K. Karkoulias, K. Spiropoulos. Correlation between carotid atherosclerosis and severity of sleep apnea in patients without history of cardiovascular disease ERS and European Sleep Research Society (ERS) 6 – 8 April 2017 Marseille France.
67. Lykouras, K. Theodoropoulos, O. Lagiou, K. Karkoulias, A. Spiropoulou, A. Rigopoulou, G. Hahalis, K. Spiropoulos. Correlation between severity of newly diagnosed sleep apnea and subclinical carotid atherosclerosis. The Hellenic Sleep Research Society Endorsed by the European Sleep Research Society 30 June – 3 July 2016 Athens – Greece.
68. Lykouras, K. Theodoropoulos, K. Karkoulias,K. Spiropoulos. Daytime sleepness in patients with obstructive sleep apnea syndrome and its correlation to insulin resistance ERS International Congress 3 – 7 September London 2016.
69. Lykouras, K. Theodoropoulos, K. Karkoulias, K. Spiropoulos. The usefulness of five nap opportunities in multiple sleep latency tests for the diagnosis of narcolepsy. ERS International Congress 3 – 7 September London 2016.
70. Lykouras,K. Theodoropoulos, K. Karkoulias, K. Spiropoulos. A study on association between the severity of newly diagnosed obstructive sleep apnea and subclinical carotid atherosclerosis in patients without overt cardiovascular disease. ERS International Congress 3 – 7 September London 2016.
71. Lykouras, K. Karkoulias, O. Lagiou, K. Spiropoulos. Renin and aldosterone levels in obstructivce sleep apnea, syndrome patients. ERS International Congress 26 – 30 September Amsterdam Netherlands. 
72. Psachoulia, A. Koliou, D. Lykouras, M. Kardasi, M. Tsiamita, K. Spiropoulos. Cytologic diagnosis of metastatic cholagiocarcinoma in sputum. A case report. European Congress of Cytology 28 – 29 September 2014.
73. Lykouras, N. Mparampatis, O. Lagiou, M. Tsiamita, K. Karkoulias, K. Spiropoulos. Cytological types of lung cancer in a referal population in Western Greece during the past decade. ERS International Congress 6 – 10 September Munich 2014.
74. Lykouras, E. Androutsou, K. Karkoulias, K. Spiropoulos.  Linezolid penetrates in human pleural charity :  A pilot study using ultra – high pressure liquid chromatography in tandem with mass spectrometry (UPLC – MS/MS). ERS International Congress 6 – 10 September Munich 2014.
75. Apollonatou, D. Lykouras, K. Karkoulias, K. Spiropoulos. Positive correlation between enuresis and apnea – hypopnea index. ERS and ESRS Sleep and Breathing 11 – 13 April 2013 Berlin Germany.
76. Lykouras, M. Sargianou, K. Karkoulias, A. Voulgaridis, K. Spiropoulos. Enuresis in obstructive sleep apnea syndrome patients. ERS Annual Congress 1 – 5 September Austria Vienna 2012.
77. Karkoulias, D. Lykouras, D. Patouchas, K. Spiropoulos. Study ofdaytimesleepness among tunnel workers on rotaiting schedule. ERS Annual Congress 1 – 5 September Austria Vienna 2012.
78. Karkoulias, F. Sampsonas, K. Spiropoulos, K. Assimakopoulos. The impact of obstructive sleep apnea syndrome severity on patients quality of life 14^th Annual Scientific Meeting of the European Association for Consultation – Liaison Psychiatry and Psychosomatics.
79. Lykouras, K. Karkoulias, K. Karaivazoglou, K. Tranou,K. Spiropoulos. Correlation between the SF – 36 questionnaire and the SaO₂ and RDI in patients with. Obstructive Sleep Apnea. ERS and ESRS International Conference Sleep and Breathing 31 March – 2 April 2011 Prague.
80. Karkoulias, D. Lykouras, M. Sargianou, K. Assimakopoulos, K. Spiropoulos. The correlation between OSAS and the Hospital Anxiety Depression Scale ERS and ESRS International Conference Sleep and Breathing 31 March – 2 April 2011 Prague.