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Θεοδωράκης Νικόλαος-Κλινική Μεταβολισμού και Παχυσαρκίας M.D., Ph.D.(c)
Ιατρός-Ειδικός Παχυσαρκίας Palaio Faliro
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Answers to patient questions
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Kidney stones
I have sharp stabbing/cramp-like pain on my upper left abdomen which is also felt towards the left side of my back, what could cause it since it started suddenly and really intensely?
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Please visit the emergency department
Θεοδωράκης Νικόλαος-Κλινική Μεταβολισμού και Παχυσαρκίας
The content of the answers is strictly informative and should not be considered a substitute for medical advice
Academic research and publications
- Theodorakis, N., & Nikolaou, M. (2025). Integrated Management of Cardiovascular–Renal–Hepatic–Metabolic Syndrome: Expanding Roles of SGLT2is, GLP-1RAs, and GIP/GLP-1RAs. Biomedicines, 13(1), 135. https://doi.org/10.3390/biomedicines13010135 (2025)
- Theodorakis N, Feretzakis G, Kreouzi M, Anagnostou D, Hitas C, Verykios VS, Nikolaou M. Ghrelin: An Emerging Therapy for Heart Failure. Clin Endocrinol (Oxf). 2025 Jan 5. doi: 10.1111/cen.15196. Epub ahead of print. PMID: 39757711. (2025)
- Theodorakis N, Kreouzi M, Pappas A, Nikolaou M. Beyond Calories: Individual Metabolic and Hormonal Adaptations Driving Variability in Weight Management-A State-of-the-Art Narrative Review. Int J Mol Sci. 2024 Dec 15;25(24):13438. doi: 10.3390/ijms252413438. PMID: 39769203. (2024)
- Theodorakis N, Kreouzi M, Hitas C, Anagnostou D, Nikolaou M. Growth Hormone and Heart Failure: Implications for Patient Stratification, Prognosis, and Precision Medicine. Diagnostics (Basel). 2024 Dec 16;14(24):2831. doi: 10.3390/diagnostics14242831. PMID: 39767192. (2024)
- Theodorakis N, Feretzakis G, Vamvakou G, Verykios VS, Polymeris A, Nikolaou M. Testosterone therapy for functional hypogonadism in middle-aged and elderly males: current evidence and future perspectives. Hormones (Athens). 2024 Dec;23(4):801-817. doi: 10.1007/s42000-024-00587-2. Epub 2024 Jul 26. PMID: 39060901. (2024)
- Theodorakis N, Feretzakis G, Kreouzi M, Anagnostou D, Hitas C, Verykios VS, Nikolaou M. Growth Hormone Therapy in Chronic Heart Failure: a Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Clin Endocrinol Metab. 2024 Nov 21:dgae814. doi: 10.1210/clinem/dgae814. Epub ahead of print. PMID: 39566897. (2024)
- Theodorakis N, Kreouzi M, Hitas C, Anagnostou D, Nikolaou M. Adipokines and Cardiometabolic Heart Failure with Preserved Ejection Fraction: A State-of-the-Art Review. Diagnostics. 2024; 14(23):2677. https://doi.org/10.3390/diagnostics14232677 (2024)
- Theodorakis N, Feretzakis G, Tzelves L, Paxinou E, Hitas C, Vamvakou G, Verykios VS, Nikolaou M. Integrating Machine Learning with Multi-Omics Technologies in Geroscience: Towards Personalized Medicine. J Pers Med. 2024 Aug 31;14(9):931. doi: 10.3390/jpm14090931. PMID: 39338186; PMCID: PMC11433587. (2024)
- Theodorakis N, Feretzakis G, Hitas C, Kreouzi M, Kalantzi S, Spyridaki A, Kollia Z, Verykios VS, Nikolaou M. Immunosenescence: How Aging Increases Susceptibility to Bacterial Infections and Virulence Factors. Microorganisms. 2024 Oct 11;12(10):2052. doi: 10.3390/microorganisms12102052. PMID: 39458361; PMCID: PMC11510421. (2024)
- Sakagianni A, Koufopoulou C, Koufopoulos P, Kalantzi S, Theodorakis N, Nikolaou M, Paxinou E, Kalles D, Verykios VS, Myrianthefs P, Feretzakis G. Data-Driven Approaches in Antimicrobial Resistance: Machine Learning Solutions. Antibiotics (Basel). 2024 Nov 6;13(11):1052. doi: 10.3390/antibiotics13111052. PMCID: PMC11590962. (2024)
- Feretzakis G, Theodorakis N, Vamvakou G, Hitas C, Anagnostou D, Kalantzi S, Spyridaki A, Kollia Z, Christodoulou M, Kalles D, Gkontzis AF, Verykios VS, Nikolaou M. Advancing Cardiovascular Mortality Trend Analysis: A Machine Learning Approach to Predict Future Health Policy Needs. Stud Health Technol Inform. 2024 Aug 22;316:868-872. doi: 10.3233/SHTI240549. PMID: 39176930. (2024)
- Theodorakis N, Feretzakis G, Hitas C, Kreouzi M, Kalantzi S, Spyridaki A, Boufeas IZ, Sakagianni A, Paxinou E, Verykios VS, Nikolaou M. Antibiotic Resistance in the Elderly: Mechanisms, Risk Factors, and Solutions. Microorganisms. 2024 Sep 30;12(10):1978. doi: 10.3390/microorganisms12101978. PMID: 39458286; PMCID: PMC11509523. (2024)
- Theodorakis N, Nikolaou M, Hitas C, Anagnostou D, Kreouzi M, Kalantzi S, Spyridaki A, Triantafylli G, Metheniti P, Papaconstantinou I. Comprehensive Peri-Operative Risk Assessment and Management of Geriatric Patients. Diagnostics (Basel). 2024 Sep 27;14(19):2153. doi: 10.3390/diagnostics14192153. PMID: 39410557; PMCID: PMC11475767. (2024)
- Theodorakis N, Vamvakou G, Konstantopoulou A, et al. A Very Rare Case of Primary Mural Endocarditis of the Right Atrium due to Candida Albicans. J Clin Med Img Case Rep. 2024; 4(1): 1608. doi: 10.55920/2771-019X/1608 (2024)
- Nikolaou M, Theodorakis N, Feretzakis G, et al. Nationwide mortality trends from 2001 to 2020 in Greece: Health policy implications under the scope of aging societies. Hellenic J Cardiol. 2024 Aug 28(24)00177-5. DOI: 10.1016/j.hjc.2024.08.009. (2024)
- Kreouzi, M., Theodorakis, N., Feretzakis, G., Paxinou, E., Sakagianni, A., Kalles, D., Anastasiou, A., Verykios, V. S., & Nikolaou, M. (2025). Deep Learning for Melanoma Detection: A Deep Learning Approach to Differentiating Malignant Melanoma from Benign Melanocytic Nevi. Cancers, 17(1), 28. https://doi.org/10.3390/cancers17010028 (2024)
- Kreouzi M, Theodorakis N, Constantinou C. Lessons Learned From Blue Zones, Lifestyle Medicine Pillars and Beyond: An Update on the Contributions of Behavior and Genetics to Wellbeing and Longevity. Am J Lifestyle Med. 2022 Aug 20;18(6):750-765. doi: 10.1177/15598276221118494. PMID: 39507913; PMCID: PMC11536469. (2022)
- Kreouzi M, Theodorakis N, Prokopiou E, Thomaidou E. Efficacy and safety of dupilumab in adult moderate-to-severe atopic dermatitis: An update narrative literature review. Our Dermatol Online. 2021;13(1):1-10. doi: 10.7241/ourd.20221.2 (2021)
- Theodorakis N., Hitas C., Vamvakou G., Anagnostou D., Kalantzi S., Spyridaki A., Kollia Z., Christodoulou M., Nella I., Triantafylli G., Athinaiou S., Spathara A., Feretzakis G., Nikolaou M. Nationwide mortality trends of cardiovascular diseases from 2001 to 2020 in Greece. European Society of Cardiology Congress 2024, August 2024. (2024)
- Hitas C., Theodorakis N., Kalantzi S., et al. Assessment of frailty and comorbidities in the geriatric population, data from the observational study HOMER (Holistic Management of the Elderly-Registry data) (e-poster). 25th Panhellenic Congress of Heart Failure, February 2024. (2024)
- Theodorakis N., Hitas C., Vamvakou G., et al. Temporal Study of the Causes of Death During the Past 20 years in Greece Focusing on Heart Failure (e-poster). 25th Panhellenic Congress of Heart Failure, February 2024. (2024)
- Kalantzi S., Spyridaki A., Vamvakou G., Angavanaki A., Hitas C., Theodorakis N., et al. Vaccination Coverage of Patients in the Outpatient Geriatric Clinic (oral presentation). 50th Annual Panhellenic Medical Conference, April 2024. (2024)
- Theodorakis N., Hitas C., Efstathiou I., et al. Temporal Study of Cardiovascular Mortality in Greece Focusing on the Elderly (oral presentation, prize). 50th Annual Panhellenic Medical Conference, April 2024. (2024)
- Milionis B., Athinaiou S., Christodoulou M., Nella I., Kollia Z., Spathara A., Triantafylli G., Hitas C., Theodorakis N., Kalantzi S., Spyridaki A., Tsakalidou D., Nikolaou M. The assessment of Depression with the Geriatric Depression Scale in the Geriatric Population of the 65+ Clinic. 32nd Panhellenic Psychiatric Congress. May 2024. (2024)
- Spyridaki A., Kalantzi S., Vamvakou G., Theodorakis N., et al. Correlation between Vitamin B12 Levels and Cognitive, Mood, and Sleep Disorders in the Geriatric Population. 35th Panhellenic Congress of Neurology. May 2024. (2024)
- Theodorakis N., Hitas C., Vamvakou G., et al. Heart Failure Temporal Mortality Rates during the Last two Decades in Greece (moderated poster). Heart Failure Congress 2024 (European Society of Cardiology), May 2024. (2024)
- Theodorakis N., Hitas C., Kalantzi S., et al. Temporal Study of Mortality for Clinically Important Diseases in Greece (oral presentation). 50th Annual Panhellenic Medical Conference, April 2024. (2024)
- Theodorakis N., Hitas C., Kalantzi S., et al. Analysis of parameters associated with postural hypotension in elderly patients: data from the 65+ outpatient clinic. 20th EuGMS Congress, September 2024. (2024)
- Kollia Z., Christodoulou M., Nella I. Spathara A., Theodorakis N., et al. Evaluation of Adherence with Medical Recommendations by Telephone Follow-up Calls of Patients at the Outpatient Clinic 65+. 20th EuGMS Congress, September 2024. (2024)
- Nikolaou M., Vamvakou G., Theodorakis N., et al. Analysis of parameters correlated with frailty in elderly planned for tAVI: data from the 65+ outpatient clinic. 20th EuGMS Congress, September 2024. (2024)
- Anagnostou D., Kalantzi S., Spyridaki A., Theodorakis N., et al. Prevalence of Elderly Patients Meeting Absolute Therapeutic Targets for LDL-C: Data from Outpatient Clinic “65+”. 20th EuGMS Congress, September 2024. (2024)
- Hitas C., Theodorakis N., Kalantzi S., et al. A proposed diagnostic algorithm for HFpEF combining the H2FPEF and HFA-PEFF scores. 20th EuGMS Congress, September 2024. (2024)
- Theodorakis N., Kalantzi S., Spyridaki A., et al. Analysis of on-treatment targets in hypertensive elderly patients: data from the 65+ outpatient clinic. 20th EuGMS Congress, September 2024. (2024)
- Theodorakis N., Hitas C., Anagnostou D., Romiou A., Mihailidi E., Konstantopoulou A., Marathonitis A., Feretzakis G., Vamvakou G., Nikolaou M. Nationwide Analysis of all Cardiovascular Hospitalizations in Greece. European Society of Cardiology Congress 2024, August 2024. (2024)
- Theodorakis N. Evaluation and management of septic shock (oral presentation). 2nd Congress of the Internal Medicine Department of Limassol General Hospital – Emergencies in Internal Medicine, May 2022. (2022)
- Kreouzi M., Theodorakis N., Prokopiou E., Thomaidou E. The Role of Dupilumab in Adult Moderate-to-Severe Atopic Dermatitis (e-poster). 13th Annual DermSchool Virtual Meeting, July 2021. (2021)
- Theodorakis N. Cancer stem cells, role in the formation of tumors, metastasis and treatment (round table, chairman: Dr Maria Roumpelaki). 22nd Scientific Conference of Greek Medical Students (ESFIE), May 2016. (2016)
- Theodorakis N., Vamvakou G., Konstantopoulou A., et al. Nationwide temporal mortality trends for clinically significant causes from 2001-2020 in Greece focusing on the elderly. 20th EuGMS Congress, September 2024. (2024)
- Kollia Z., Christodoulou M., Nella I. Spathara A., Theodorakis N., et al. Evaluation of Adherence with Medical Recommendations by Telephone Follow-up Calls of Patients at the Clinic 65+. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Anagnostou D., Kalantzi S., Spyridaki A., Theodorakis N., et al. Prevalence of Elderly Patients Meeting Absolute Therapeutic Targets for LDL-C: Data from Clinic “65+”. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Nikolaou M., Vamvakou G., Theodorakis N., et al. Analysis of parameters associated with frailty in patients that are candidates for tAVI: data from the 65+ clinic. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Hitas C., Theodorakis N., Kalantzi S., et al. Diagnostic algorithm for Heart Failure with Preserved Ejection Fraction according to the H2FPEF and HFA-PEFF scores. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Theodorakis N., Hitas C., Anagnostou D., et al. Analysis of parameters associated with postural hypotension in elderly patients: data from the 65+ clinic. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Theodorakis N., Anagnostou D., Kalantzi S., et al. Analysis of therapeutic targets in hypertensive elderly patients: data from the 65+ clinic. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Theodorakis N., Anagnostou D., Vamvakou G., et al. Panhellenic Study of Cardiovascular Hospitalizations. 45th Panhellenic Cardiology Congress, October 2024. (2024)
- Kalantzi S., Christopoulos K., Spyridaki A., Vamvakou G., Agavantaki A.M., Hitas C., Theodorakis N., et al. Polypharmacy among patients of the outpatient 65+ clinic and patients hospitalized in the internal medicine ward. 27th Panhellenic Congress of Internal Medicine. October 2024. (2024)
- Kalantzi S., Spyridaki A., Vamvakou G., Agavantaki A.M., Hitas C., Theodorakis N., et al. Vaccination coverage of the 65+ clinic-results of educational intervention. 27th Panhellenic Congress of Internal Medicine. October 2024. (2024)
- Spyridaki A., Kalantzi S., Agavantaki A., Hitas C., Theodorakis N., Nikolaou M. Risk of Falls and Fracture Risk in the 65+ Clinic. 31st Panhellenic Congress of the Hellenic Society for the Study of Bone Metabolism. November 2024. (2024)
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Questions and Answers
Θεοδωράκης Νικόλαος-Κλινική Μεταβολισμού και Παχυσαρκίας
M.D., Ph.D.(c)
Ιατρός-Ειδικός Παχυσαρκίας
Palaio Faliro
10.0
|
41 reviews
Πολύ καλός επιστήμων, ασχοληθηκε διεξοδικα με την περιπτωση μου
Μαρίνα
•
15 April 2025
Γνώστης και πρόθυμος να βοηθήσει με τις γνώσεις του
Δημήτρης
•
13 April 2025
Παρά πολύ καλός γιατρός και άνθρωπος.
Ζωης
•
13 April 2025
Ως κανόνα εδώ και χρόνια προτιμώ νεαρούς επιστήμονες. Έχουν ακόμα την διάθεση την περιέργεια να ακολουθήσουν τις εξελίξεις. Κι αυτή τη φορά ο κανόνας δούλεψε ρολόι. Σχολαστικός, γνωστής, ευγενής επιστήμον.
Αναστάσιος
•
12 April 2025
Ένας Γιατρός που είναι Επιστήμονας με όλη τη σημασία, έχει φοβερές γνώσεις και τεκμηριωμένες απαντήσεις. Με βοήθησε και με κατεύθυνε πλήρως, μου απάντησε και με κάλυψε σε πολλές απορίες που είχα πριν καν του τις ρωτήσω, φιλικός, δείχνει κατανόηση και ακούει ότι έχεις να του πεις.
Σωτήρης
•
10 April 2025
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Με λίγα λόγια ο άνθρωπος είναι ότι καλύτερο έχω δει σε γιατρό, ένιωσα ότι έχω έναν διαβασμένο φίλο μου απέναντι έτοιμο να με βοηθήσει σε όλα. Λίγοι έχουν την γνώση του.
Λάμπρος
•
10 April 2025
Από τους καλύτερους γιατρούς και από γνώσεις και σαν άνθρωπος που έχω γνωρίσει...όλοι οι άνθρωποι έναν τέτοιο ιατρό θέλουμε δίπλα μας αξιος
Κωνσταντίνος
•
09 April 2025
Με καθοδήγησε πλήρως για αυτό που θέλω να κάνω και η απαντήσεις του ήταν πολύ κατάτοπιστικές..., των ευχαριστώ και θα συνεχίσω να είμαι σε επικοινωνία μαζί του για ότι άλλο χρειαστώ
Βασίλης
•
08 April 2025
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Λιτός, ευθύς και γνώστης του αντικειμένου του. Αυτά που χρειάζεσαι από κάποιον που ζητάς λύσεις.
Βασίλης
•
02 April 2025
Εξαιρετικός, φιλικός και επεξηγηματικό λόγο!
Ερνέστα
•
01 April 2025
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