Which is better for pain reduction during transrectal ultrasound-guided biopsy of the prostate: Intravenous diazepam, local periprostatic nerve block, or combination? controlled randomized study

Background: Transrectal ultrasound-guided prostate biopsy (TRUSPB) is considered the procedure of choice for the diagnosis of prostate cancer. Men undergoing this biopsy experience high psychological stress. Different studies recommend techniques as sedation, lidocaine gel intrarectally, periprostatic nerve block alone, or nitrous oxide inhalation as effective methods of analgesia during procedural-related pain or discomfort. We evaluated three techniques for pain relief during TRUSPB and evaluated if there was any increase in the incidence of complications when employing either technique. Setting: Assiut University Hospital, Assiut, Egypt. Methods: Three hundred patients of age 43–92-year-old underwent TRUSPBs. Patients were allocated randomly into three equal groups to receive intravenous (IV) diazepam 5 mg slowly (Group I), bilateral periprostatic nerve block by 10 ml of 1% lidocaine solution injected under ultrasound guidance (Group II), or combined IV diazepam and the periprostatic nerve block (Group III). Results: The mean pain score was 4.95 for patients in Group I, 4.15 for patients in Group II, and 2.18 for patients in Group III with statistically significant findings (F = 120.27, P < 0.001). TRUSPB under combined IV sedation and local anesthesia had no significant increase in the incidence of complications. Conclusions: Patients should have analgesia during TRUSPB to decrease the procedure pain and to improve tolerance permitting proper aiming for biopsy cores without increasing the patient distress. The combined IV sedation and local periprostatic nerve block are efficient in controlling and limiting pain better than employing each technique alone with no significant increase in complications incidence.

Abstract licence: CC BY-NC-SA

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