Χαλκιάς Κωνσταντίνος MD, MSc, FRCS

Σπουδές

• Υποψήφιος Διδάκτωρ, Ιατρική Σχολή, Εθνικό & Καποδιστριακό Πανεπιστήμιο Αθηνών
• Μεταπτυχιακό στην "Evidence - Based Healthcare", Ιατρική Σχολή, University College London (UCL), Αγγλία (2012 - 2014)
• Πτυχίο Ιατρικής, Ιατρική Σχολή, Πανεπιστήμιο Ιωαννίνων (2004 - 2010)
• Πιστοποίηση στη "Γενική και Ορθοκολική Χειρουργική (FRCS)", Royal College of Surgeons of England (RCS England) (2021)
• Εξειδίκευση στη "Χειρουργική του Πυελικού Εδάφους και των Ιδιοπαθών Φλεγμονωδών Νόσων του Εντέρου", St. Mark's Hospital, Αγγλία (2022 - 2023)
• Εξειδίκευση στη "Χειρουργική Παχέος Εντέρου και Πρωκτού", Ashford and St Peter's Hospitals, Αγγλία (2022 - 2023)

Επαγγελματική εμπειρία

• Ιδιωτικό ιατρείο, Θεσσαλονίκη
• Χειρουργός - Επιμελητής ΕΣΥ, Γενική Κλινική Θεσσαλονίκης "Euromedica" (2025 - σήμερα)
• Χειρουργός - Επιμελητής ΕΣΥ, Γ' Χειρουργική Κλινική, Πανεπιστημιακό Γενικό Νοσοκομείο Θεσσαλονίκης - ΑΧΕΠΑ (2024 - σήμερα)
• Διευθυντής Χειρουργός, Aneurin Bevan University Health Board (ABUHB), Ουαλία (2023 - 2024)
• Αναπληρωτής Διευθυντής Χειρουργός, Ashford and St Peter's Hospitals, Αγγλία (2023)
• Ειδικευόμενος Γενικής και Ορθοκολικής Χειρουργικής, Health Education Kent, Surrey and Sussex, Αγγλία (2015 - 2022)
• Anatomy Demonstrator, Barts and The London School of Medicine and Dentistry, Αγγλία (2014 - 2015)
• Member of the Committee, London Surgical Research Group, Αγγλία (2014 - 2015)
• Ειδικευόμενος Γενικής Χειρουργικής, London Deanery, Αγγλία (2013 - 2015)
• Lead For London, National Sepsis Audit, Αγγλία (2013 - 2014)
• Ειδικευόμενος ιατρός, Πανεπιστημιακά Νοσοκομεία, Imperial College Healthcare, Αγγλία (2012 - 2013)
• Ειδικευόμενος ιατρός, Oxford University Hospitals, Αγγλία (2011 - 2012)
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Μέλος συλλόγων

• Royal College of Surgeons of England (RCS England)
• Ιατρικός Σύλλογος Θεσσαλονίκης (Ι.Σ.Θ.)
• Ελληνική Χειρουργική Εταιρεία (ΕΧΕ)
• Ελληνική Εταιρεία Κολοπρωκτολογίας
• Ελληνική Χειρουργική Εταιρεία Παχέος Εντέρου και Πρωκτού (Ε.Ε.Χ.Π.Ε.Π.)
• General Medical Council (GMC)
• European Society of Coloproctology (ESCP)
• Association of Coloproctology of Great Britain and Ireland (ACPGBI)
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Δημοσιεύσεις

• NIHR Global Health Research Unit on Global Surgery; STARSurg Collaborative. A prognostic model for use before elective surgery to estimate the risk of postoperative pulmonary complications (GSU-Pulmonary Score): a development and validation study in three international cohorts. Lancet Digit Health. 2024 Jul;6(7):e507-e519. doi: 10.1016/S2589-7500(24)00065-7. PMID: 38906616; PMCID: PMC12056793. (2024)
• El-Sharkawy AM, Tewari N, Vohra RS; CholeS Study Group, West Midlands Research Collaborative. Correction: The Cholecystectomy As A Day Case (CAAD) Score: A Validated Score of Preoperative Predictors of Successful Day-Case Cholecystectomy Using the CholeS Data Set. World J Surg. 2023 Apr;47(4):1082. doi: 10.1007/s00268-023-06911-y. Erratum for: World J Surg. 2019 Aug;43(8):1928-1934. doi: 10.1007/s00268-019-04981-5. PMID: 36705743; PMCID: PMC9971108. (2023)
• NIHR Global Health Unit on Global Surgery; COVIDSurg Collaborative. Elective surgery system strengthening: development, measurement, and validation of the surgical preparedness index across 1632 hospitals in 119 countries. Lancet. 2022 Nov 5;400(10363):1607-1617. doi: 10.1016/S0140-6736(22)01846-3. Epub 2022 Oct 31. PMID: 36328042; PMCID: PMC9621702. (2022)
• COVIDSurg Collaborative. The impact of surgical delay on resectability of colorectal cancer: An international prospective cohort study. Colorectal Dis. 2022 Mar 14;24(6):708–26. doi: 10.1111/codi.16117. Epub ahead of print. PMID: 35286766; PMCID: PMC9322431. (2022)
• Halkias C, Zoikas A, Garoufalia Z, Konstantinidis MK, Ioannidis A, Wexner S. Re-Operative Laparoscopic Colorectal Surgery: A Systematic Review. J Clin Med. 2021 Apr 1;10(7):1447. doi: 10.3390/jcm10071447. PMID: 33916216; PMCID: PMC8036625. (2021)
• COVIDSurg Collaborative. Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study. Lancet Oncol. 2021 Nov;22(11):1507-1517. doi: 10.1016/S1470-2045(21)00493-9. Epub 2021 Oct 5. PMID: 34624250; PMCID: PMC8492020. (2021)
• STARSurg Collaborative and COVIDSurg Collaborative. Death following pulmonary complications of surgery before and during the SARS-CoV-2 pandemic. Br J Surg. 2021 Dec 1;108(12):1448-1464. doi: 10.1093/bjs/znab336. PMID: 34871379; PMCID: PMC10364875. (2021)
• COVIDSurg Collaborative. Global wealth disparities drive adherence to COVID-safe pathways in head and neck cancer surgery. BJS Open. 2021 Nov 9;5(6):zrab112. doi: 10.1093/bjsopen/zrab112. Erratum in: BJS Open. 2025 Mar 4;9(2):zraf031. doi: 10.1093/bjsopen/zraf031. PMID: 34958353; PMCID: PMC8711291. (2021)
• COVIDSurg Collaborative. Outcomes after perioperative SARS-CoV-2 infection in patients with proximal femoral fractures: an international cohort study. BMJ Open. 2021 Nov 30;11(11):e050830. doi: 10.1136/bmjopen-2021-050830. PMID: 34848515; PMCID: PMC8634634. (2021)
• Nassar AHM, Hodson J, Ng HJ, Vohra RS, Katbeh T, Zino S, Griffiths EA; CholeS Study Group, West Midlands Research Collaborative. Predicting the difficult laparoscopic cholecystectomy: development and validation of a pre-operative risk score using an objective operative difficulty grading system. Surg Endosc. 2020 Oct;34(10):4549-4561. doi: 10.1007/s00464-019-07244-5. Epub 2019 Nov 15. Erratum in: Surg Endosc. 2023 Mar;37(3):2415. doi: 10.1007/s00464-023-09888-w. PMID: 31732855. (2020)
• Lee MJ, Sayers AE, Drake TM, Marriott PJ, Anderson ID, Bach SP, Bradburn M, Hind D, Verjee A, Fearnhead NS; NASBO steering group and NASBO collaborators. National prospective cohort study of the burden of acute small bowel obstruction. BJS Open. 2019 Feb 22;3(3):354-366. doi: 10.1002/bjs5.50136. PMID: 31183452; PMCID: PMC6551410. (2019)
• El-Sharkawy AM, Tewari N, Vohra RS; CholeS Study Group, West Midlands Research Collaborative. The Cholecystectomy As A Day Case (CAAD) Score: A Validated Score of Preoperative Predictors of Successful Day-Case Cholecystectomy Using the CholeS Data Set. World J Surg. 2019 Aug;43(8):1928-1934. doi: 10.1007/s00268-019-04981-5. Erratum in: World J Surg. 2023 Apr;47(4):1082. doi: 10.1007/s00268-023-06911-y. PMID: 31016355; PMCID: PMC9883331. (2019)
• Griffiths EA, Hodson J, Vohra RS, Marriott P, Katbeh T, Zino S, Nassar AHM; CholeS Study Group, West Midlands Research Collaborative. Correction to: Utilisation of an operative difficulty grading scale for laparoscopic cholecystectomy. Surg Endosc. 2019 Jan;33(1):122-125. doi: 10.1007/s00464-018-6377-8. Erratum for: Surg Endosc. 2019 Jan;33(1):110-121. doi: 10.1007/s00464-018-6281-2. Erratum in: Surg Endosc. 2023 Mar;37(3):2415. doi: 10.1007/s00464-023-09888-w. PMID: 30136037; PMCID: PMC6828446. (2019)
• Bharamgoudar R, Sonsale A, Hodson J, Griffiths E; CholeS Study Group, West Midlands Research Collaborative. The development and validation of a scoring tool to predict the operative duration of elective laparoscopic cholecystectomy. Surg Endosc. 2018 Jul;32(7):3149-3157. doi: 10.1007/s00464-018-6030-6. Epub 2018 Jan 16. Erratum in: Surg Endosc. 2023 Mar;37(3):2415. doi: 10.1007/s00464-023-09888-w. PMID: 29340820; PMCID: PMC5988776. (2018)
• Demetriou GA, Perera S, Halkias C, Ahmed S. Seventy-six-year-old woman with an unusual anatomy of the left ureter. BMJ Case Rep. 2016 Nov 3;2016:bcr2016217499. doi: 10.1136/bcr-2016-217499. PMID: 27811161; PMCID: PMC5128959. (2016)
• Gurusamy KS, Lusuku C, Halkias C, Davidson BR. Duodenum-preserving pancreatic resection versus pancreaticoduodenectomy for chronic pancreatitis. Cochrane Database Syst Rev. 2016 Feb 3;2(2):CD011521. doi: 10.1002/14651858.CD011521.pub2. PMID: 26837472; PMCID: PMC8278566. (2016)
• Halkias C, Sloane J, Ben-Gashir M, Bashir G. Synchronous metastatic omental melanoma and colonic adenocarcinoma: a case report. BMC Res Notes. 2015 Apr 3;8:125. doi: 10.1186/s13104-015-1099-7. PMID: 25888849; PMCID: PMC4391278. (2015)
• Spiliopoulos D, Mitsopoulos G, Kaptanis S, Halkias C. Axillary lymph node metastases in adenoid cystic carcinoma of the breast. A rare finding. G Chir. 2015 Sep-Oct;36(5):209-13. doi: 10.11138/gchir/2015.36.5.209. PMID: 26712257; PMCID: PMC4711976. (2015)
• Patris V, Argiriou O, Lama N, Georgiou H, Halkias C, Charitos C. Late Development of a Bronchocutaneous Fistula due to an Epicardial Cardioverter-Defibrillator Lead. J Tehran Heart Cent. 2015 Apr 3;10(2):106-8. PMID: 26110011; PMCID: PMC4477085. (2015)
• Kaptanis S, Perera JK, Halkias C, Caton N, Alarcon L, Vig S. Temporal artery biopsy size does not matter. Vascular. 2014 Dec;22(6):406-10. doi: 10.1177/1708538113516322. Epub 2013 Dec 17. PMID: 24347135. (2013)
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