Dr. Sameh Rizkalla has been a Project Scientist at the Department of Colorectal Surgery at Cleveland Clinic Florida since 2021s and a Consultant Colorectal Surgeon and Associate Professor at the Department of General Surgery, Mansoura University Hospital, in Mansoura, Egypt. Dr. Emile is a member of the Egyptian Society of Surgeons (ESS) and a Fellow of the American College of Surgeons (ACS).
He is the Author of more than 330 scientific publications published in peer-reviewed impact-factored scientific journals with more than 8,000 citations and a Google Scholar H-index of 40 and a Scopus H-index of 31.
Dr. Rizkalla is a member of the Editorial Board of Surgery, World Journal of Surgery, BMC Surgery, Colorectal Disease, Frontiers in Surgery, and Medicine. He is a member of the ESCP T1 rectal cancer guideline committee and the ERAS guideline update committee. His main professional and scientific interests focus on colorectal cancer, inflammatory bowel disease, pelvic floor disorders, minimally invasive colorectal surgery, perianal fistulas, and patient-reported outcomes.
Selected publications from PubMed
Utility of Artificial Intelligence Image Recognition Technology in Identifying Prescription Pills.
Ravikoff LM, Rizkalla S, Mekhail J, Howard C, Milanaik R
Hosp Pediatr. 2026 Sep 1;16(9):e720-e722 doi: 10.1542/hpeds.2026-009350.
Benefits of Iterative Searches of Large Databases to Interpret Large Human Gut Metaproteomic Data Sets.
Bassignani A, Plancade S, Berland M, Blein-Nicolas M, Guillot A, Chevret D, Moritz C, Huet S, Rizkalla S, Clément K, Doré J, Langella O, Juste C
J Proteome Res. 2021 Mar 5;20(3):1522-1534 doi: 10.1021/acs.jproteome.0c00669.
Dietary Fibre Consensus from the International Carbohydrate Quality Consortium (ICQC).
Augustin LSA, Aas AM, Astrup A, Atkinson FS, Baer-Sinnott S, Barclay AW, Brand-Miller JC, Brighenti F, Bullo M, Buyken AE, Ceriello A, Ellis PR, Ha MA, Henry JC, Kendall CWC, La Vecchia C, Liu S, Livesey G, Poli A, Salas-Salvadó J, Riccardi G, Riserus U, Rizkalla SW, Sievenpiper JL, Trichopoulou A, Usic K, Wolever TMS, Willett WC, Jenkins DJA
Nutrients. 2020 Aug 24;12(9) doi: 10.3390/nu12092553.
Elevated serum ceramides are linked with obesity-associated gut dysbiosis and impaired glucose metabolism.
Kayser BD, Prifti E, Lhomme M, Belda E, Dao MC, Aron-Wisnewsky J, MICRO-Obes Consortium, Kontush A, Zucker JD, Rizkalla SW, Dugail I, Clément K
Metabolomics. 2019 Oct 11;15(11):140 doi: 10.1007/s11306-019-1596-0.
Dietary Glycemic Index and Load and the Risk of Type 2 Diabetes: Assessment of Causal Relations.
Livesey G, Taylor R, Livesey HF, Buyken AE, Jenkins DJA, Augustin LSA, Sievenpiper JL, Barclay AW, Liu S, Wolever TMS, Willett WC, Brighenti F, Salas-Salvadó J, Björck I, Rizkalla SW, Riccardi G, Vecchia C, Ceriello A, Trichopoulou A, Poli A, Astrup A, Kendall CWC, Ha MA, Baer-Sinnott S, Brand-Miller JC
Nutrients. 2019 Jun 25;11(6) doi: 10.3390/nu11061436.
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