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ORIGINAL ARTICLE
Year : 2019  |  Volume : 27  |  Issue : 4  |  Page : 169-176

Transrectal doppler sonography of benign prostatic enlargement in Nigerian Men


1 Department of Radiology, Obafemi Awolowo University/Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria
2 Department of Surgery, Urology Unit, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria
3 Department of Chemical Pathology, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria

Correspondence Address:
Dr. Bukunmi Michael Idowu
Department of Radiology, Obafemi Awolowo University/Obafemi Awolowo University Teaching Hospitals Complex, P. M. B 5538, Ile-Ife, Osun State
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMU.JMU_102_18

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Background: Transrectal ultrasonography (TRUS) is the best route for examining the prostate gland because of transducer proximity, elaboration of zonal anatomical details, and Doppler assessment of prostatic arteries' hemodynamics. Materials and Methods: This was a cross-sectional study of 300 men with benign prostatic enlargement (BPE) and 300 healthy age-matched controls. The resistive index (RI) of the left capsular, right capsular and urethral arteries were assessed by TRUS and correlated with these parameters: maximum urine flow rate (Qmax), total prostatic volume (TPV), transitional zone volume (TZV), transitional zone index (TZI), presumed circle area ratio, and the International Prostatic Symptoms Score (IPSS). Results: The RI of capsular and urethral arteries correlated significantly with Qmax, TPV, TZV, TZI, and IPSS. Of the three different RIs evaluated, the RI of UA showed the strongest correlation with Qmax(r =- 0.51; P < 0.0001). The RIs were significantly higher in obstructive BOO than the non-obstructive group (Qmaxof <15 ml/sec and ≥15 ml/sec, respectively). The mean RI values were 0.73 ± 0.05 vs. 0.63 ± 0.04 for the RCA; 0.73 ± 0.05 vs. 0.62 ± 0.04 for the LCA; and 0.73 ± 0.06 vs. 0.62 ± 0.05 for the UA in the BPE and controls, respectively (P < 0.001). The TPV values were 52.36 ± 28.67 and 18.28 ± 4.26 in BPE and controls, respectively (P < 0.001).Conclusion: Prostatic artery RIs are elevated in BPE. Increase in RI correlated with increase in TPV, TZV and TZI, urinary symptoms' severity, poor QOL, and the severity of BOO.


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