What are the effects of epididymectomy on the human body?

The impact of epididymectomy surgery on men is mainly focused on fertility and local physiological functions, and usually does not significantly affect sexual function or hormone levels. The main effects include reduced sperm storage capacity, reduced probability of natural conception, and short-term scrotal discomfort after surgery.

1. Fertility:

The epididymis is an important organ for sperm maturation and storage. Unilateral resection will reduce sperm storage capacity by approximately 50%. Bilateral resection will result in the inability of sperm to be discharged naturally, and sperm need to be obtained through testicular puncture for assisted reproduction. Clinical data shows that the semen parameters of patients after unilateral epididymectomy may decrease by 30%-40%, but most of them still have the possibility of natural fertility.

2. Sexual function:

The surgery itself does not damage the nerves or testosterone secretion of the penis. Some patients experience temporary erectile dysfunction due to psychological factors after surgery, which usually recovers on its own within 3-6 months. Studies have confirmed that epididymectomy does not change testosterone levels and maintains normal sexual desire and erectile function.

3. Local discomfort:

Discomfort such as scrotal swelling and stretching may occur 2-4 weeks after surgery, which is related to surgical trauma and local inflammatory reaction. About 15% of patients will have chronic dull pain that lasts for 1-3 months, which can be effectively relieved by hot compresses and non-steroidal anti-inflammatory drugs. Rarely, painful nodules may form that require further treatment.

4. Immune response:

When the epididymal barrier is disrupted, sperm antigens may contact the immune system to trigger antisperm antibodies. Clinical statistics show that about 20% of postoperative patients are antibody positive, but only 5%-8% will affect fertility. Antibody testing is recommended 3 months after surgery.

5. Compensation mechanism:

The unaffected epididymis will undergo compensatory hypertrophy, and the absorptive and secretory functions of epithelial cells will be enhanced. Animal experiments show that the weight of the remaining epididymis can be increased by 20%-30%, and the sperm transport efficiency is improved. Human observation shows that the compensatory process takes 6-12 months to complete.

After surgery, it is recommended to wear a scrotal support for 2 weeks to reduce swelling and avoid strenuous exercise for 1 month. Pay attention to supplementing your diet with zinc, oysters, beef and vitamin E, nuts and spinach to promote tissue repair. Regular semen analysis is performed to monitor changes in fertility, and those planning a pregnancy may consider cryopreservation of sperm before surgery. Maintaining a moderate sexual life will help with psychological adaptation and recovery of local blood circulation, but the wound needs to be completely healed. If persistent pain or fever occurs, timely review is required to rule out the possibility of infection.