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Year : 2007  |  Volume : 53  |  Issue : 1  |  Page : 1

Age-related sperm abnormalities due to varicocele: Is there an answer?

Department of Urology, University of Padua, Italy

Correspondence Address:
V Ficarra
Department of Urology, University of Padua
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0022-3859.30313

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How to cite this article:
Galfano A, Ficarra V. Age-related sperm abnormalities due to varicocele: Is there an answer?. J Postgrad Med 2007;53:1

How to cite this URL:
Galfano A, Ficarra V. Age-related sperm abnormalities due to varicocele: Is there an answer?. J Postgrad Med [serial online] 2007 [cited 2023 Oct 2];53:1. Available from:

To date, the effect of patients' age on the pathophysiology of varicocele-related sperm abnormalities has not been fully understood. Several mechanisms have been proposed to cause seminal alterations in varicocele: inhibition of the testicular temperature regulating systems, hypoxic damage due to venous stasis, retrograde flux of adrenal steroids or other toxic agents and alterations of the hypothalamus-hypophysis-testis axis are the most studied ones. Affirming the importance of early correction of varicocele, most authors claim that all these components could play a role in impairing sperm quality at times.[1] Nevertheless, insufficient evidence is available to recommend an invasive procedure with the aim of improving fertility.[2]

However, recent reports might prove that patients' age at diagnosis and correction could have little or no impact on sperm features.[3]

In this interesting case-control study Andrade-Rocha analyses the seminal features of patients with varcicocele at different ages, finding no significant differences between patients of different ages. Significant differences have been found comparing the different categories to a control group of fertile patients. A peculiarity of the study results that deserves to be remarked upon is the impact that varicocele seems to have on sperm quality more than quantity. In fact, while the number of spermatozoa were within normal ranges in all groups, vitality, motility, morphology and combined anomalies were significantly worse in patients with varcicocele than in the control group. Moreover, the research of the most accurate sperm characteristic able to distinguish fertile and infertile patients succeeded in the identification of the morphological abnormalities and combined anomalies as the most predictive variables of infertility. Moreover, the ROC curve analysis yielded an ideal cutoff of specificity and sensitivity for these two features.[4]

Indeed, the study provides no ultimate answers concerning these issues. In fact, even though patients with varcicocele have similar sperm abnormalities regardless of age, the study design is not able to give a prospective longitudinal dimension of the effect of varicocele on sperm features during time. Moreover, as patients younger than 18 years have not completed all the stages of seminal development, their inclusion in the analysis might limit the interpretability of the results.

In conclusion, even though a further step has been made in the long way of understanding the pathophysiology of varicocele, confirmations coming from future studies are still needed.

 :: References Top

1.Ficarra V, Porcaro AB, Righetti R, Cerruto MA, Pilloni S, Cavalleri S, et al . Antegrade scrotal sclerotherapy in the treatment of varicocele: A prospective study. BJU Int 2002;89:264-8.  Back to cited text no. 1    
2.Ficarra V, Cerruto MA, Liguori G, Mazzoni G, Minucci S, Tracia A, et al . Treatment of varicocele in subfertile men: The cochrane review-A contrary opinion. Eur Urol 2006;49:258-63.  Back to cited text no. 2    
3.Ishikawa T, Fujisawa M. Effect of age and grade on surgery for patients with varicocele. Urology 2005;65:768-72.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]
4.Andrade-Rocha FT. Significance of sperm characteristics in the evaluation of adolescents, adults and older men with varicocele. J Postgrad Med 2007;53:8-13.  Back to cited text no. 4    


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Online since 12th February '04
2004 - Journal of Postgraduate Medicine
Official Publication of the Staff Society of the Seth GS Medical College and KEM Hospital, Mumbai, India
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