Research & Journal Publications
Dr. Upwan Chauhan's indexed clinical studies, peer-reviewed medical paper contributions, and national conference papers in renal transplantation, laser endourology, and male subfertility.
Comparative Analysis of Laparoscopic Donor Nephrectomy vs Open Donor Nephrectomy: Long-term Graft Outcome & Donor Morbidity
Journal: Indian Journal of Urology (IJU) • Authors: Dr. Upwan K. Chauhan, et al.
Abstract Summary:A retrospective evaluation of 350 renal transplant donors demonstrating significantly reduced post-operative analgesic requirement, earlier return to physical work, and comparable long-term recipient graft survival in laparoscopic donor nephrectomy cases.
Efficacy of Retrograde Intrarenal Surgery (RIRS) using Holmium Laser for Lower Calyceal Stones Smaller Than 2cm
Journal: Journal of Endourology & Stone Disease • Authors: Dr. Upwan K. Chauhan, et al.
Abstract Summary:Clinical study analyzing 180 patients treated with flexible ureteroscopy and laser lithotripsy for lower pole kidney stones. Achieving a stone clearance rate of 94.2% with zero major intraoperative vascular complications.
Microsurgical Inguinal Varicocelectomy in Male Subfertility: Impact on Semen Parameters and Spontaneous Pregnancy Rates
Journal: Asian Journal of Andrology • Authors: Dr. Upwan K. Chauhan, et al.
Abstract Summary:Proton magnetic resonance and clinical evaluation of infertile males undergoing microsurgical testicular vein ligation, revealing marked improvement in total motile sperm count and 48% spontaneous pregnancy rate within 12 months.
Nerve-Sparing Laparoscopic Radical Prostatectomy: Oncological Safety and Continence Recovery in localized Prostate Cancer
Journal: International Urology and Nephrology • Authors: Dr. Upwan K. Chauhan, et al.
Abstract Summary:Assessment of urinary continence and margin positivity in 120 patients undergoing nerve-sparing laparoscopic radical prostatectomy, validating early urinary control in 88% of subjects at 3 months post-op.
Single-Stage Buccal Mucosal Graft Urethroplasty for Long-Segment Bulbar Urethral Strictures
Journal: Urologia Internationalis • Authors: Dr. Upwan K. Chauhan, et al.
Abstract Summary:Long-term follow up study of ventral and dorsal onlay buccal mucosal graft reconstructions, confirming a 92% surgical success rate without stricture recurrence over a 5-year observation period.
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