Evaluation of the resistive index of prostatic blood flow in benign prostatic hyperplasia

Abdelwahab, Osama; El-Barky, Ehab; Khalil, Maria; Kamar, Ahmad

doi:10.1590/s1677-55382012000200014

Cited by 15 publications

(21 citation statements)

References 14 publications

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“…[2324] On the other hand, the mean TPV values obtained in this study for both BPE patients and controls fall within the range reported by some previous studies. [122125] The mean TZV (26.63 ± 21.33 ml) of our BPE patients is similar to that reported by Greene et al (24.81 ± 14.4 ml)[26] while our mean TZI (0.47 ± 0.14) is lower than that reported by Tsuru et al (0.51 ± 0.19). [10]…”

Section: Discussionsupporting

confidence: 85%

“…The mean TPV in this study (52.36 ± 28.67 ml) is lower than that reported by Abdelwahab et al [21] (75.1 ± 44.7 ml in 82 men with BPE) but higher than that of Chung et al [22] (41.7 ± 8.99 ml in 110 men with BPE). These disparities may be due to differences in sample size and differences in disease severity.…”

Section: Discussioncontrasting

confidence: 84%

“…As the severity of BOO increases, the PRIs increase which is the same pattern reported by earlier researchers. [39101821] Increasing severity of BOO (as assessed by uroflowmetry) is associated with progressive reduction in peak urine flow rate. Therefore, as severity of BOO worsens, Q max decreases and PRIs increase.…”

Section: Discussionmentioning

confidence: 99%

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Transrectal doppler sonography of benign prostatic enlargement in Nigerian Men

et al. 2019

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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 (Qmax of <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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Section: Discussionsupporting

confidence: 85%

Section: Discussioncontrasting

confidence: 84%

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Transrectal doppler sonography of benign prostatic enlargement in Nigerian Men

et al. 2019

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“…Abdelwahab et al . have found a highly significant correlation between the increase of the RI of the right and left capsular and urethral arteries and BOOI, IPSS as well as TPV, and take RI as an easy and non‐invasive tool to evaluate lower urinary tract obstruction as a result of LUTS/BPO . Shinbo et al .…”

Section: Discussionmentioning

confidence: 99%

Establishment and value assessment of efficacy prediction model about transurethral prostatectomy

Huang

et al. 2015

Int J of Urology

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Abbreviations & Acronyms AUC = area under the curve AUR = acute urinary retention BCI = bladder contractility index BOO = bladder outlet obstruction BOOI = bladder outlet obstruction index BWT = bladder wall thickness DO = detrusor overactivity DWT = detrusor wall thickness IPP = intravesical prostatic protrusion IPSS = International Prostate Symptom Score IPSS -s = storage score IPSS -v = voiding score LUTS/BPO = lower urinary tract symptoms suggestive of benign prostatic obstruction MODS = multiple organ dysfunction symptom m P ura = maximum pressure of urethra NPV = negative predictive value P det Q max = pressure of detrusor at maximum flow rate PPV = positive predictive value PSA = prostate-specific antigen PVR = post-voiding residue Q max = maximum flow rate QoL = quality of life RI = resistive index ROC = receiver operating characteristic R res = weight ratio of resection R s/v = ratio of IPSS -s and IPSS -v TPV = total prostate volume T res = time of resection TURP = transurethral prostatectomy TURS = TUR syndrome TZV = transitional zone volume UDS = urodynamics UEBW = ultrasonic estimation of bladder weight US = ultrasonography UTI = urinary tract infection UUI = urge urinary incontinence W res = tissue weight of resection Objectives: To establish and to evaluate discriminant models to predict the outcomes of transurethral prostatectomy. Methods: Clinical data of patients treated with transurethral prostatectomy between January and December 2013 were collected, including medical history, symptoms, biochemical tests, ultrasonography and urodynamics. Surgical efficacy was evaluated at 6-month follow up. Predictive models were constructed by logistic regression. Receiver operating characteristic curve and diagnostic tests were used to test the accuracy of models before the predictive value between models was compared. Results: A total of 182 patients were included, with 73.6% having an effective outcome. History of recurrent urinary tract infection (OR 1.33), score of storage phase (OR 2.58), maximum flow rate (OR 2.11) and detrusor overactivity (OR 3.13) were found to be risk factors. International Prostate Symptom Score (OR 0.13), transitional zone index (OR 0.58), resistive index of prostatic artery (OR 0.46), bladder wall thickness (OR 0.78), ultrasonic estimation of bladder weight (OR 0.28), bladder outlet obstruction index (OR 0.20) and bladder contractility index (OR 0.83) were found to be protective factors. The areas under the curve of models using factors from ultrasonography and urodynamics were 0.792 and 0.829 respectively, with no significant difference being found between them (P = 0.348). Conclusions: Surgical efficacy of transurethral prostatectomy is positively correlated to severe voiding phase symptoms, outlet obstruction and better detrusor contractility, and negative correlated with urinary infection, severe storage phase symptoms and excessive detrusor contractibility. Ultrasonography might replace urodynamics in selecting patients for whom transurethral prostatectomy is more likely t...

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“…The use of transrectal probes in color and power Doppler imaging (PDI) gives detailed information about intraprostatic vascularity [9]. It has been reported that the development of LUTS/BPH causes an increase in both vascular resistance and prostatic resistive index (RI), and prostatic RI is correlated with the symptom score and urine flow rate in LUTS/BPH patients [10,11]. In this study, with an attempt to provide etiologic information and find new preventions, we evaluated the relationship between the prostatic RI levels and CVS risk factors in patients with LUTS/BPH.…”

Section: Introductionmentioning

confidence: 99%

Association between prostatic resistive index and cardiovascular risk factors in patients with benign prostatic hyperplasia

Baykam¹,

Aktaş²,

Bulut³

et al. 2015

The Kaohsiung J of Med Scie

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We evaluated the relationship between prostatic resistive index (RI) and cardiovascular system (CVS) risk factors in patients with benign prostatic hyperplasia. The study included 120 patients who were attending our outpatient clinic with lower urinary tract symptoms related to benign prostatic hyperplasia. The clinical, laboratory, anthropometric data, and CVS risk factors (hypertension, diabetes mellitus, metabolic syndrome, history of CVS events, and smoking) of the patients were evaluated regarding the association between prostate RI level by regression analyses. The prostatic RI levels of the patients were measured using power Doppler imaging. In univariate regression analysis, there were statistically significant relationships between prostatic RI levels and the patients' age, International Prostate Symptom Score, hip circumference, fasting blood glucose, prostate specific antigen, triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, total prostate volume, uroflowmetric maximal flow rate, and all investigated CVS risk factors (p < 0.05). The prostatic RI levels were found to be associated with fasting blood glucose and total prostate volume, and also with CVS risk factors including only metabolic syndrome and cigarette smoking in the multivariate regression analysis. Our results showed that prostatic RI level is significantly related to metabolic syndrome and smoking among the investigated CVS risk factors.

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Evaluation of the resistive index of prostatic blood flow in benign prostatic hyperplasia

Cited by 15 publications

References 14 publications

Transrectal doppler sonography of benign prostatic enlargement in Nigerian Men

Transrectal doppler sonography of benign prostatic enlargement in Nigerian Men

Establishment and value assessment of efficacy prediction model about transurethral prostatectomy

Association between prostatic resistive index and cardiovascular risk factors in patients with benign prostatic hyperplasia

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