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KMID : 0361820100290030165
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Journal of the Korean Society of Medical Ultrasound
2010 Volume.29 No. 3 p.165 ~ p.169
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Comparison of Two Local Anesthesia Injection Methods During a Transrectal Ultrasonography-guided Prostate Biopsy
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Baek Song-Ee
Oh Young-Taik
Kim Jang-Hwan
Rha Koon-Ho
Hong Sung-Joon
Yang Seung-Choul
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Abstract
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Purpose:To compare the effectiveness of 2 injection methods of lidocaine during a transrectal ultrasound (TRUS)-guided prostate biopsy for pain control and complication rates.
Materials and Methods : We retrospectively evaluated patients who underwent a TRUS-guided prostate biopsy from March 2005 to March 2006. One hundred patients were categorized into two groups based on injection method. For group 1, 10 mL of 1% lidocaine was injected bilaterally at the junction of the seminal vesicle and prostate and for group 2, into Denonvilliers’ fascia. Pain scores using a visual analog scale (VAS) as well as immediate and delayed complication rates were evaluated.
Results: The mean VAS score showed no significant differences between the groups (group 1, 3.4±1.78; group 2, 2.8±1.3; p = 0.062). The difference in delayed complication rates and incidence of hematuria, hemospermia, and blood via the rectum was not significant between groups. However, two patients in group 1 complained of symptoms immediately after local anesthesia; one of tinnitus and the other of mild dizziness.
Conclusions: There were no significant differences between pain control and complication rates between the 2 lidocaine injection methods. However, injection into Denonvilliers’ fascia is thought to have less potential risk.
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KEYWORD
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Prostate, Biopsy, Ultrasonography, Local anesthesia, Nerve block
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