Tehran University of Medical Sciences

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Faculty Members have conducted research related to the Effectiveness of Adjuvant Chemotherapy in Patients With Stage Ii Colorectal Cancer: A Multicenter Retrospective Study
Amir Keshvari
Amir Keshvari

Professor of Colorectal Surgery

Department General Surgery

School of Medicine

Imam Khomeini Hospital Complex

Tehran University of Medical Sciences

All Documents
1. Preoperative Carcinoembryonic Antigen As a Predictor of 5-Year Survival in Rectal Cancer: Proposing a New Prognostic Cutoff, Journal of Gastrointestinal Cancer (2025)
2. Surgical Outcomes on Health-Related Quality of Life in Rectal Prolapse: A Systematic Review and Meta-Analysis, Techniques in Coloproctology (2025)
3. Comparing the Hemodynamic Effects of Intravenous and Volatile Anesthesia in Patients With End Stage Renal Disease Undergoing Laparoscopic Implantation of Peritoneal Dialysis Catheter in a Randomized Double-Blind Clinical Trial, Archives of Anesthesiology and Critical Care (2024)
4. Comparison of Hand-Sewn Anterior Repair, Resection and Hand-Sewn Anastomosis, Resection and Stapled Anastomosis Techniques for the Reversal of Diverting Loop Ileostomy After Low Anterior Rectal Resection: A Randomized Clinical Trial, Techniques in Coloproctology (2024)
5. Effect of Kegel Pelvic Floor Muscle Exercise on Improving Urinary Disorder in Rectum Cancer Patients After Rectal Surgery: A Randomized Clinical Trial, International Journal of Colorectal Disease (2024)
6. Evaluation Surgical Strategies in Perianal Fistulas Treatment: Efficacy Draining Seton Compared to Other Surgical Approaches; a Case-Control Study, Health Science Reports (2024)
7. Gross Morphologic Features of Surgical Specimen in Rectal Cancer Patients With Pathological Complete Response Following Neoadjuvant Chemoradiotherapy: A Cross-Sectional Study, World Journal of Surgery (2024)
8. Localized Administration of Mesenchymal Stem Cell-Derived Exosomes for the Treatment of Refractory Perianal Fistula in Patients With Crohn's Disease: A Phase Ii Clinical Trial, Diseases of the Colon and Rectum (2024)
9. Outcome of Selective Non-Diverting Low Anterior Resection After Neoadjuvant Chemoradiotherapy and Curative Surgery for Proximal Rectal Cancer: A Prospective Case Series, Middle East Journal of Digestive Diseases (2024)
10. Predictive Value of Flexible Proctosigmoidoscopy and Laboratory Findings for Complete Clinical Responses After Neoadjuvant Chemoradiotherapy in Patients With Locally Advanced Primary Rectal Cancer: A Retrospective Cohort Study, International Journal of Colorectal Disease (2024)
11. Role of Intravoxel Incoherent Motion and Dynamic-Contrast-Enhanced Perfusion in Response Prediction of Patients With Colorectal Cancer After Neoadjuvant Chemotherapy, Asian Pacific Journal of Cancer Prevention (2024)
12. Assessment of the Efficacy of Handmade Vacuum-Assisted Sponge Drain for Treatment of Anastomotic Leakage After Low Anterior Rectal Resection, Updates in Surgery (2023)
13. Biomedical Properties and Hemostatic Efficacy of Polyvinyl Alcohol (Pva) Based Hydrogel in Experimental Rat Liver Injury Model, Journal of Applied Biomaterials and Functional Materials (2023)
14. Early Postoperative Dehydration and Electrolyte Imbalances Following Ileostomy Creation, Trauma Monthly (2023)
15. Encapsulated Peritoneal Sclerosis Due to Peritoneal Dialysis: Long-Term Experience Following Surgical Operation, Indian Journal of Surgery (2023)
16. Evaluation of the Effectiveness of Prophylactic Omentopexy During Laparoscopic Insertion of Peritoneal Dialysis Catheter: A Case–Control Clinical Trial, International Urology and Nephrology (2023)
17. Evaluation of the Farsi-Translated Hemorrhoidal Disease Symptom Score and Short Health Scale Questionnaires in Patients With Hemorrhoid Disease: A Cross-Sectional Study, Health Science Reports (2023)
18. Hand-Sewn Direct Repair Versus Resection and Hand-Sewn Anastomosis Techniques for the Reversal of Diverting Loop Ileostomy After Lower Anterior Rectal Resection Surgery: A Randomized Clinical Trial, Journal of Surgical Oncology (2023)
19. Mucosal Vs. Cutaneous Advancement Flaps for the Treatment of Chronic Anal Fissures: A Randomized Clinical Trial, Techniques in Coloproctology (2023)
20. Predictors of Outcome in Cryptoglandular Anal Fistula According to Magnetic Resonance Imaging: A Systematic Review, Health Science Reports (2023)
21. Safety and Efficacy of Injection of Human Placenta Mesenchymal Stem Cells Derived Exosomes for Treatment of Complex Perianal Fistula in Non-Crohn's Cases: Clinical Trial Phase I, Journal of Gastroenterology and Hepatology (Australia) (2023)
22. Safety and Efficacy of Injection of Human Placenta Mesenchymal Stem Cells Derived Exosomes for Treatment of Complex Perianal Fistula in Non-Crohn's Cases: Clinical Trial Phase I, Journal of Gastroenterology and Hepatology (Australia) (2023)
23. Translation, Cross-Cultural Adaptation, and Psychometric Evaluation of the Persian (Farsi) Version of the Qolaf (Quality of Life in Patients With Anal Fistula) Questionnaire, PLoS ONE (2023)
24. Unraveling the Impact of Interval Length Between Neoadjuvant Chemoradiotherapy and Surgery on Perioperative and Postoperative Complications in Rectal Cancer Patients, European Surgery - Acta Chirurgica Austriaca (2023)
25. Advanced Regenerative Medicine Strategies for Treatment of Perianal Fistula in Crohn's Disease, Inflammatory Bowel Diseases (2022)
26. Evaluating the Safety and Efficacy of Mesenchymal Stem Cell-Derived Exosomes for Treatment of Refractory Perianal Fistula in Ibd Patients: Clinical Trial Phase I, Gastroenterology Report (2022)
27. Introduction of a Handmade Vacuum-Assisted Sponge Drain for the Treatment of Anastomotic Leakage After Low Anterior Rectal Resection, Annals of Coloproctology (2022)
28. Prognostic Factors of Disease Recurrence and Overall Survival Following Curative Resection of Colon Cancer: A 10-Year Cohort From a Referral Center, Medical Journal of the Islamic Republic of Iran (2022)
29. Role of Efna1 Snp (Rs12904) in Tumorigenesis and Metastasis of Colorectal Cancer: A Bioinformatic Analysis and Hrm Snp Genotyping Verification, Asian Pacific Journal of Cancer Prevention (2022)
30. Translation, Validation and Psychometric Evaluation of the Persian (Farsi) Version of the Low Anterior Resection Syndrome Score (Lars-P), PLoS ONE (2021)
31. Primary Rectal Choriocarcinoma Associated With Rectal Adenocarcinoma in a Woman With a History of Ulcerative Colitis: Case Report, International Journal of Surgery Case Reports (2020)
32. Short-Course Versus Long-Course Neoadjuvant Chemoradiotherapy in Patients With Rectal Cancer: Preliminary Results of a Randomized Controlled Trial, Radiation Oncology Journal (2020)
33. Laparoscopic Omentopexy, Rectus Sheath Tunneling and Implantation of the Peritoneal Dialysis Catheter Using a Peritoneal Dialysis Port, Peritoneal Dialysis International (2018)
34. Preoperative Short Course Radiotherapy With Concurrent and Consolidation Chemotherapies Followed by Delayed Surgery in Locally Advanced Rectal Cancer: Preliminary Results, Radiation Oncology Journal (2018)
35. Accuracy of Ultrasonography in Diagnosing Acute Appendicitis During Pregnancy Based on Surgical Findings, Medical Journal of the Islamic Republic of Iran (2017)
36. Outcomes of Neoadjuvant Radiochemotherapy of Locally Advanced Rectal Adenocarcinoma: Results of 8 Year Experience in Iran Cancer Institute, International Journal of Cancer Management (2017)
37. Introduction of a New Laparoscopic Trocar for Insertion of Peritoneal Dialysis Catheters and Making a Proper Rectus Sheath Tunneling, Surgical Endoscopy (2016)
38. Risk Factors for Complications and Recurrence After the Karydakis Flap, Journal of Surgical Research (2016)
39. Karydakis Flap Versus Excision-Only Technique in Pilonidal Disease, Journal of Surgical Research (2015)
40. Prospective Evaluation of Outcome of Karydakis Flap for Sacrococcygeal Pilonidal Disease, Tehran University Medical Journal (2015)