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Year : 2020  |  Volume : 6  |  Issue : 2  |  Page : 81-89

Biochemical Changes Using Sterile Water and 1.5% Glycine in TURP: A Randomized Study

Department of Surgery, Maulana Azad Medical College, New Delhi, India

Correspondence Address:
Dr. MS, FNB Lovenish Bains
Associate Professor, Department of Surgery, Maulana Azad Medical College, 2-Bahadur Shah Zafar Marg, New Delhi 110002
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mamcjms.mamcjms_50_20

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Introduction: Endoscopic procedures in urology require irrigating fluid to provide a clear field of vision and to wash away debris. Glycine (1.5%) has been widely used, however sterile water is easily available and inexpensive. Excessive absorption of irrigation fluid can lead to dyselectrolytemia, hemolysis and systemic complications. In this study we compare 1.5% glycine with sterile water as irrigation fluid for Trans Urethral Resection Of Prostate (TURP). Materials and Method: In this prospective randomized study, we analysed 60 patients with symptomatic Benign Prostatic Hyperplasia (BPH) undergoing TURP with either 1.5% glycine or sterile water as irrigation fluid. The duration of surgery, weight of prostate resected, volume of fluid absorbed were compared. Post-operative levels of hemoglobin, hematocrit, electrolytes and renal function tests at 15 mins, 3 hrs and 6 hrs were analysed. Results: The mean decrease in hemoglobin at 6 hrs was more with 1.5% glycine (1.05±0.28 vs 0.89±0.14g/dL) and was statistically significant (P = 0.031). The mean fall in haematocrit at 6 hrs was significantly more with 1.5% glycine (4.87±1.41 vs 3.94±1.32%) (P = 0.046). The post-operative levels of blood urea were significantly less with 1.5% glycine at 15 mins, 3 hrs and 6 hrs (P < 0.05). There was no significant difference in the duration of surgery, weight of prostate resected, volume of irrigant absorbed, serum sodium, potassium and creatinine observed between the two groups (P > 0.05). Nine patients (30%) who received 1.5% glycine and 8 patients (26.6%) receiving sterile water had dilutional hyponatremia at 6 hrs, but there were no significant difference between the two groups (P = 0.38). None of the patients developed TURP syndrome. Conclusion: Biochemical changes with sterile water was significantly less when compared with 1.5% glycine in TURP. Most of the changes observed were at 6 hrs after surgery. Hence sterile water can be considered as a safer and inexpensive alternative to glycine in resource-limited settings of low-income countries.

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