Page 6 - CUA Guideline: The workup and management of azoospermic males
P. 6

Jarvi et al.




              should only be performed in centres with the exper-  We cannot presently recommend the use of any hormone
              tise to perform the needed microsurgery and with a   therapy for men with non-obstructive azoospermia.
              laboratory with the capacity to cryopreserve sperm.    The use of androgens is contraindicated in men with azo-
                                                                     34
         A bilateral diagnostic testicular biopsy is generally not   ospermia  (Level of Evidence 1, Grade of Recommendation
       required. If there is a discrepancy in testicular size, the larger   A).
       of the two testes should be biopsied.
                                                             Competing interests: Dr. Jarvi is a member of the advisory board for Eli Lilly. Dr. Grober is a
       What is the role of varicocelectomy in men with azo-  member of the advisory boards and speaker’s bureau for Eli Lilly, Abbott, and Paladin. He has also
                                                             received a grant from Eli Lilly and Paladin. Dr. Mak has received a grant from Amgen and Janssen.
       ospermia?                                             Dr. Chow is on the advisory boards for Astellas and Johnson & Johnson. Dr. Domes has received
                                                             speaker honoraria from Eli Lilly and Abbott. Dr. Lo, Dr. Fischer, Dr. Grantmyre, Dr. Zini, Dr. Chan,
                                                             and Dr. Patry declare no competing financial or personal interests.
       The role of varicocelectomy in men with azoospermia
       remains controversial. There is some evidence that a small
       percentage of men with azoospermia due to testicular fail-  This paper has been peer-reviewed.
       ure may benefit from treatment of a clinical varicocele. 30
       Schlegel and colleagues reported that close to 20% of men
       with azoospermia had sperm in the ejaculation following a
                      30
       varicocele repair.  It is considered reasonable to offer a vari-  References
       cocele repair to men with clinical varicoceles and testicular
       failure, but men should be warned that there is a low prob-  1. Fogle RH, Steiner AZ, Marshall FE, et al. Etiology of azoospermia in a large nonreferral inner-city population.
       ability that this will result in any improvement in his semen   Fertil Steril 2006;86:197-9. http://dx.doi.org/10.1016/j.fertnstert.2005.12.047
       parameters. Most men will still need ICSI to help conceive   2. Jarow JP, Espeland MA, Lipshultz LI. Evaluation of the azoospermic patient. J Urol 1989;142:62-5.
                                                              3. Fedder J, Cruger D, Oestergaard B, et al. Etiology of azoospermia in 100 consecutive nonvasectomized
       (Level of Evidence 4, Grade of Recommendation D).        men. Fertil Steril 2004;82:1463-5. http://dx.doi.org/10.1016/j.fertnstert.2004.06.035
                                                              4. Wang C, So SY, Wong KK, et al. Chronic sinopulmonary disease in Chinese patients with obstructive
                                                                azoospermia. J Androl 1987;8:225-9.
       What is the role of hormone therapy for men with       5. Matsumiya K, Namiki M, Takahara S, et al. Clinical study of azoospermia. Int J Androl 1994;17:140-2.
       azoospermia?                                             http://dx.doi.org/10.1111/j.1365-2605.1994.tb01233.x
                                                              6. Services, U.D.o.H.a.H. Assisted Reproductive Technology Success Rates 2003: National Summary and
                                                                Fertility Clinic Reports. US Department of Health and Human Services, C.f.D.C.a.P.; 2005.
       Apart from the management of men with hypo-gonadotropic   7. Society for Assisted Reproductive Technology. https://www.sartcorsonline.com. Accessed July 14, 2015.
       hypogonadism, the use of hormones to treat men with azo-  8. Sullivan EA, Zegers-Hochschild F, Mansour R, et al. International Committee for Monitoring Assisted
       ospermia remains controversial.                          Reproductive Technologies (ICMART) world report: Assisted reproductive technology 2004. Hum Reprod
                                                                2013;28:1375-90. http://dx.doi.org/10.1093/humrep/det036
         Based on a multicentre study, Hussein and colleagues   9. Bachir BG, Jarvi K. Infectious, inflammatory, and immunologic conditions resulting in male infertility. Urol
       reported that in men with non-obstructive azoospermia    Clin North Am 2014;41:67-81. http://dx.doi.org/10.1016/j.ucl.2013.08.008
       given clomiphene and/or human chorionic gonadotropin   10. Samplaski MK, Lo K, Grober E, et al. Finasteride use in the male infertility population: Effects on
       (HCG) to increase FSH to a target level of 1.5-fold times the   semen and hormone parameters. Fertil Steril 2013;100:1542-6. http://dx.doi.org/10.1016/j.
       initial FSH levels and a target serum testosterone of 600 to   fertnstert.2013.07.2000
       800 ng/dL, the yield of sperm on a micro-TESE was 57%   11. Cooper TG, Noonan E, von Eckardstein S, et al. World Health Organization reference values for human
                                                                semen characteristics. Hum Reprod Update 2010;16:231-45. http://dx.doi.org/10.1093/humupd/
       compared to 33.6% in the control group. 31               dmp048
         Further support for the concept that hormonal thera -  12. Delfino M, Imbrogno N, Elia J, et al. Prevalence of diabetes mellitus in male partners of infertile couples.
       pies might benefit men with non-obstructive azoospermia   Minerva Urol Nefrol 2007;59:131-5.
       came from Shiraishi and colleagues. The authors studied   13. Jhaveri KS, Mazrani W, Chawla TP, et al. The role of cross-sectional imaging in male infertility: A picto-
                                                                rial review. Can Assoc Radiol J 2010;61:144-55. http://dx.doi.org/10.1016/j.carj.2010.01.002
       the effects of HCG 5000 U 3 times/week with FSH for men   14. Mak V, Jarvi KA. The genetics of male infertility. J Urol 1996;156:1245-56.
       with a declining FSH and with no sperm found on initial   15. Jarvi K, McCallum S, Zielenski J, et al. Heterogeneity of reproductive tract abnormalities in men with
       micro-TESE surgery. In total, 6 of the 28 men who received   absence of the vas deferens: Role of cystic fibrosis transmembrane conductance regulator gene mutations.
       the hormone therapy had sperm retrieved on a subsequent   Fertil Steril 1998;70:724-8. http://dx.doi.org/10.1016/S0015-0282(98)00247-7
       micro-TESE, while none of the men not receiving hormone   16. Von Eckardstein S, Simoni M, Bergmann M, et al. Serum inhibin B in combination with serum follicle-
       therapy had sperm on the second micro-TESE. 32           stimulating hormone (FSH) is a more sensitive marker than serum FSH alone for impaired spermatogenesis
                                                                in men, but cannot predict the presence of sperm in testicular tissue samples. J Clin Endocrinol Metab
         Conversely, Reifsnyder and colleagues reported on men   1999;84:2496-501. http://dx.doi.org/10.1210/jc.84.7.2496
       with non-obstructive azoospermia having initially lower   17. Schlegel PN. Causes of azoospermia and their management. Reprod Fertil Dev 2004;16:561-72. http://
       serum testosterone levels (<300 ng/dL) and who took hor-  dx.doi.org/10.1071/RD03087
       mone therapy with increases in serum testosterone levels.   18. Mak V, Zielenski J, Tsui LC, et al. Proportion of cystic fibrosis gene mutations not detected by routine
       These men had no different results in their testicular sperm   testing in men with obstructive azoospermia. JAMA 1999;281;2217-24. http://dx.doi.org/10.1001/
                                                                jama.281.23.2217
       extraction (sperm retrieval or pregnancy rates) than men who   19. Mak V, Zielenski J, Tsui LC, et al. Cystic fibrosis gene mutations and infertile men with primary testicular
       had higher testosterone levels initially. 33             failure. Hum Reprod 2000;15:436-9. http://dx.doi.org/10.1093/humrep/15.2.436

       234                                      CUAJ • July-August 2015 • Volume 9, Issues 7-8                234
   1   2   3   4   5   6   7