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Updated: May 9, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
The correlation between preputial blood flow and microvessel density in distal hypospadias: a prospective clinical
Levent Ceyhan1, Mustafa Cagri Savas1, Sirin Baspinar2
1Department of Pediatric Surgery, Süleyman Demirel University Medical School, Isparta 32260, Turkey.
Insights
This study found no correlation between preputial microvessel density and blood flow in children with hypospadias. Reduced microvessel density did not impact blood flow in the prepuce.
Area of Science:
- Urology
- Pediatric Surgery
- Vascular Biology
Background:
- Hypospadias is a congenital condition affecting male genitalia.
- Microvessel density (MVD) and blood flow (BF) are critical for tissue health.
Purpose of the Study:
- To investigate the relationship between preputial microvessel density and blood flow in children with distal hypospadias.
- To determine if reduced MVD in hypospadias affects preputial BF.
Main Methods:
- Prospective study of 44 children (16 hypospadias, 28 controls).
- Preputial BF measured by laser Doppler flowmetry.
- Preputial MVD assessed via CD31 immunostaining of tissue samples.
Main Results:
- Preputial MVD was significantly lower in the hypospadias group (33.95 ± 9.79) compared to controls (48.25 ± 10.08; p < 0.05).
- No significant difference in preputial BF was observed between the hypospadias group (40.58 ± 16.16) and controls (33.09 ± 19.65; p > 0.05).
Conclusions:
- No correlation was found between preputial MVD and BF in this study.
- Reduced preputial MVD in distal hypospadias does not appear to influence preputial blood flow.
Objective:
A prospective clinical study was designed to investigate the correlation between preputial blood flow (BF) and microvessel density (MVD).
Patients And Methods:
A total of 44 children were included in the study. The hypospadias group consisted of 16 children undergoing distal hypospadias repair, and the control group consisted of 28 age-matched healthy children undergoing circumcision. BFs were measured using a laser Doppler flowmeter on the most distal part of the dorsal prepuces, and then the tissue samples were harvested from the same location. They were immunostained with an antibody against CD31 in order to assay MVD. The statistical analyses were carried out using Student's t test and Pearson's correlation analysis.
Results:
The preputial MVD was found to be significantly decreased in the patients with hypospadias compared with the healthy children (33.95 ± 9.79 vs. 48.25 ± 10.08; p < 0.05), whereas there was no difference in terms of the BF (40.58 ± 16.16 vs. 33.09 ± 19.65; p > 0.05).
Conclusions:
We found no correlation between the preputial MVD and BF in the present study. This result suggests that reduced preputial MVD does not have any influence on BF in distal hypospadias.
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