The impacts of L-citrulline and sildenafil on penile and testicular vascular perfusion pattern, advanced testicular analysis, steroids, and semen picture in normospermic dogs
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View abstract on PubMed
Summary
This summary is machine-generated.The combination of L-citrulline and sildenafil significantly improved penile and testicular blood flow, semen quality, and hormonal profiles in dogs. This synergistic effect enhances nitric oxide production for better reproductive health outcomes.
Area Of Science
- Reproductive Biology
- Pharmacology
- Veterinary Medicine
Background
- Erectile dysfunction and impaired semen quality are significant concerns in canine reproduction.
- L-citrulline and sildenafil are known to affect vascular function and nitric oxide pathways.
Purpose Of The Study
- To investigate the combined effects of L-citrulline and sildenafil on penile and testicular vascular perfusion in dogs.
- To evaluate the impact of this combination on semen quality and hormonal profiles.
Main Methods
- A study involving normospermic German Shepherd dogs divided into control, L-citrulline, and L-citrulline + sildenafil groups.
- Assessment included semen collection, blood sampling, hormonal assays, Doppler evaluation of penile and testicular arteries, and testicular echo-texture analysis.
Main Results
- The L-citrulline + sildenafil group showed significant increases in testicular colored area, peak systolic velocity, and blood flow rate.
- Improvements in semen motility and sperm concentration were observed at 4 hours in the combined group.
- Elevated nitric oxide, estradiol, and transient testosterone levels were noted in the L-citrulline + sildenafil group.
Conclusions
- Combining L-citrulline with sildenafil demonstrates superior efficacy in enhancing penile and testicular vascular perfusion compared to sildenafil alone.
- This combination positively impacts semen quality and hormonal profiles in dogs, likely mediated by increased nitric oxide availability.
- L-citrulline supplementation potentiates the vascular effects of sildenafil, offering a promising therapeutic strategy for improving canine reproductive parameters.
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