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Blockage of sperm transport

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Treat blockage of sperm transport in Germany

Blockage of sperm transport or obstructive azoospermia is a fertility disorder, which leads to lower concentration of sperm (partial blockage of sperm transport) up to complete absence of motile sperm in semen (azoospermia due to total blockage of sperm transport). 10% to 15% of infertile men have blockage of sperm transport. Obstruction of semen ducts occurs in 70% of all azoospermia cases. Blockage can occur at any point of sperm outflow tract, starting from epididymis tubules over ejaculatory ducts and up to the urethra. Blockage of sperm transport can be due to congenital (stenosis or duct cysts) or acquired reasons. Among the latter ones specialists emphasize the infection, inflammation and benign tumors as especially frequent causes of sperm transport blockage.

Diagnostics of sperm transport disorders

Sperm motility score should be studied in the laboratory, equipped with modern magnification equipment. The normal motility score represents the percentage of sperms which actively move into the forward direction.

Patients with partial obstruction (blockage) may have mild or no symptoms. Nevertheless it is important to perform the timely diagnostics of this condition, since it leads to infertility and other health problems, such as

  • Painful ejaculation
  • Chronical perineal pain
  • Prostatitis
  • Retrograte ejaculation
  • Urinary sphincter disorder

During a physiological palpation procedure, an experienced urology or andrology specialist can find post-operative scars, seals, bands, areas of thickening or cyst. In case some dubious areas are identified, a special transrectal ultrasound procedure is performed. It helps to diagnose the possible dilatation problem in epididymis and seminal vesicle . Among the other necessary diagnostic steps there are:

  • Angiography - x-ray examination of the vas deferens;
  • Studies of FSH and LH hormones in the blood. High levels of FSH suggests that the testicles do not produce sperm. In this case the restoration of patency of the vas deferens through a surgery is questionable.
  • Testicular biopsy helps to determine the presence of sperm in the testis.
  • These steps help not only to diagnose the blockage of sperm transport, but also to determine the root cause of the blockage of sperm transport.

“Microknife technique”: Surgical treatment of the obstruction (blockage) of ejaculatory ducts

Surgical management of the sperm transport blockage is the only way to restore fertility of a man. The surgery aimed at unblocking the sperm transport should be performed by an experienced microsurgery specialist, who will clear up the blockage under 10x25 power magnification. A special “Microknife” technology is usually implemented at German clinics to hemitransect the vas until the lumen is revealed. This kind of treatment is performed under general anesthesia and lasts about 25-50 minutes. After the surgical elimination of the blockage, the fertility function is restored in 70% of all cases. If the azoospermia still persists and a man still has low sperm count, the treatment with one of the assisted reproductive technique is indicated.

If the surgery didn’t help…

If the permeability of the seminal ducts is unrecoverable or microsurgical operation is contraindicated due to anatomical features, a man can apply to direct microsurgical aspiration of sperm from the epididymis (TESA) or extraction of sperm from the testicle (MESA), combined with artificial insemination (ICSI intracytoplasmic sperm injection). The spermatozoa aspirated from epididymis or testicles can be frozen (cryopreserved), to allow a second ICSI procedure, if another pregnancy is planned in the future.

Being a patient at one of the best German fertility centers, you can expect the highest level of urological service as well as individual and holistic approach. Don’t hesitate to call us for more information.

GermanMedicalGroup + 49 (7221) 39-65-785 Flugstrasse 8a 76532 Baden-Baden Germany Blockage of sperm transport is successfully treated at German fertility centers. Learn more about the innovative treatment techniques and fertility specialists. Fertility treatment for men and women Blockage of sperm transport is successfully treated at German fertility centers. Learn more about the innovative treatment techniques and fertility specialists. Fertility treatment for men and women 2017-10-13 Blockage of sperm transport is successfully treated at German fertility centers. Learn more about the innovative treatment techniques and fertility specialists. Fertility treatment for men and women

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