Dr. Alexandru Constantinescu
Professional profile
Dr. Alexandru Constantinescu is a gastroenterology specialist at the University Emergency Hospital Bucharest (SUUB), assistant professor at Carol Davila University of Medicine, and holds a PhD in medical sciences (University of Medicine Craiova, 2022). His main areas of interest are endoscopic retrograde cholangiopancreatography (ERCP) and interventional endoscopic ultrasound (EUS).
Medical activity takes place at two reference centers in Bucharest: SUUB — within the Gastroenterology Department II — and Ponderas Academic Hospital (Regina Maria network, JCI accreditation).
Clinical experience
Gastroenterology Specialist
SUUB, since March 2022
- Hepatobiliary and pancreatic pathology (diagnosis and treatment) — approx. 2,500 procedures
- ERCP — approx. 500 procedures per year
- Interventional endoscopic ultrasound (EUS): FNA/FNB biopsies, pseudocyst drainage — approx. 400 procedures per year
- Upper and lower gastrointestinal endoscopy — approx. 2,000 procedures (GI bleeding, resections, dilations, enteral stenting, PEG/PEGJ)
Gastroenterology Resident
Clinical Emergency Hospital Bucharest (Floreasca), 2017 – 2021
- Approx. 3,000 diagnostic and therapeutic endoscopies
- Approx. 3,500 active ERCP participations, of which approx. 1,500 performed personally
- Approx. 400 endoscopic ultrasounds, approx. 100 EUS-FNA/FNB biopsies
- Approx. 1,500 abdominal ultrasounds, hepatic elastographies
Academic training
2010 – 2016
Medical Degree (MD) Carol Davila University of Medicine and Pharmacy, Bucharest
2017 – 2022
PhD in Medical Sciences UMF Craiova
2017 – 2021
Gastroenterology Residency Clinical Emergency Hospital Bucharest (Floreasca)
2022 – present
Gastroenterology Specialist University Emergency Hospital Bucharest
2022 – present
Assistant Professor Carol Davila University of Medicine and Pharmacy, Bucharest
2023 – 2024
Teaching Profession Certification (Level I and II) Carol Davila University of Medicine and Pharmacy, Bucharest
2024 – 2025
Healthcare Management Certificate Carol Davila University of Medicine and Pharmacy, Bucharest
Scientific publications
Over 25 ISI publications (9 as first author), BDI, ESCI articles and over 35 participations in national and international congresses. Full profile available on ResearchGate.
2026
Pancreatic Metastases from Clear Cell Renal Cell Carcinoma: Diagnostic Insights from Endoscopic Ultrasound-Guided Fine-Needle Biopsy
DOI ↗2025
The Role of Gut Microbiota in Colorectal Cancer Pathogenesis: A Comprehensive Literature Review
DOI ↗2025
Endoscopic Ultrasound-guided Tissue Acquisition of Pancreatic Malignancy: A Retrospective Study at a Tertiary Center
2024
Vitamin D and Pancreatic Ductal Adenocarcinoma — A Review of a Complicated Relationship
DOI ↗2024
The Role of Artificial Intelligence in Endoscopic Ultrasound for Pancreatic Diseases
DOI ↗2024
Efficiency and Complications of Esophageal Stenting in the Management of Postoperative Fistulas
DOI ↗2023
Duodenal Gangliocytic Paragangliomas — Case Series and Literature Review
DOI ↗2022
A Morphological and Immunohistochemical Study of EUS-FNB Samples from Solid Pancreatic Masses
2022
Impact of Biliary Stenting in EUS-guided Tissue Acquisition Among Patients With Pancreatic Cancer
Areas of expertise
- ERCP — endoscopic retrograde cholangiopancreatography
- Endoscopic ultrasound (EUS) with FNA/FNB guided biopsy and pseudocyst drainage
- Biliary, esophageal, enteral and rectal stenting
- Diagnostic and therapeutic endoscopy (polypectomy, hemostasis, variceal banding)
- Percutaneous endoscopic gastrostomy (PEG, PEGJ)
- Abdominal ultrasound and hepatic elastography
Procedures performed
- Upper gastrointestinal endoscopy with rapid Helicobacter pylori test
- Atrophic gastritis and gastric metaplasia mapping
- Lower gastrointestinal endoscopy (colonoscopy) with polypectomy
- Diagnostic endoscopic ultrasound
- Endoscopic ultrasound with fine-needle biopsy tissue sampling (EUS-FNB)
- Endoscopic ultrasound-guided pancreatic pseudocyst drainage
- Endoscopic retrograde cholangiopancreatography (ERCP)
- Choledocholithiasis
- Malignant stenosis (pancreatic neoplasm, cholangiocarcinoma, benign strictures, etc.)
- Percutaneous endoscopic gastrostomy (PEG)
- Gastrostomy with jejunal extension (PEG-J)
- Digestive stenting with esophageal, enteral, rectal stents for malignant pathology
- Endoscopic dilation of benign esophageal strictures with Savary bougies
- Dilation of esophago-jejunal or colo-rectal anastomotic strictures
- Achalasia management
- Zenker's diverticulum management
- Digestive fistula management
- Foreign body management