Introduction to the five routes of transmission of syphilis there are five items for the diagnosis of syphilis

Syphilis is a chronic, systematic sexually transmitted disease caused by Treponema pallidum. Mainly through sexual transmission, clinical manifestations of primary syphilis, secondary syphilis, tertiary syphilis, latent syphilis and congenital syphilis (fetal syphilis) and so on. It is listed as a category B disease in the Law of the people's Republic of China on the Prevention and treatment of Infectious Diseases.

Syphilis is a chronic contagious disease. The pathogen of syphilis is Treponema pallidum (Treponema pallidum), a spirochete that is seriously pathogenic to humans and can invade any organ and produce a variety of symptoms. Treponema pallidum only infects humans, so syphilis is the only source of infection. Its route of transmission, acquired syphilis is mainly transmitted through sexual intercourse, a few can be transmitted through kissing, and occasionally transmitted to the fetus through the placenta. Untreated syphilis patients have the greatest infectivity within one year after infection penis vibrator , and the longer the duration of the disease, the less contagious it is. Four years after infection, it is generally not contagious through sexual contact, but it can still be transmitted by fetus.

Introduction to five ways of transmission of syphilis

The ways of transmission of syphilis are as follows:

I. Blood-borne transmission

The course of syphilis is longer, and Treponema pallidum can be latent in the patient's blood for a period of time. Especially in patients with latent syphilis, although the body is infected with pathogens, there can be no clinical manifestations. Healthy people or patients with various other diseases can infect syphilis by transfusion of blood or blood products provided by them.

II. Indirect contact transmission

Exposure to things used by syphilis patients, such as the patient's clothes, bedding dildo masturbation , articles, supplies, utensils, toilets, toilets and bath towels, may be contaminated by the patient's secretions and infected with Treponema pallidum. Even healthy people who live closely with syphilis patients are vulnerable to syphilis when minor wounds come into contact with these pathogenic bacteria.

III. Placental transmission

If a pregnant woman is infected with syphilis, the fetus can transmit syphilis through the placenta during pregnancy. Shao clitoral vibrator , director of Changchun Ping an urology department, introduced that pregnant women suffer from syphilis, without timely detection and treatment, or incomplete treatment. Treponema pallidum can be transmitted to the fetus through the blood circulation of the placenta, making the fetus infected with syphilis. Placental infection mainly occurs during early syphilis in pregnant women.

IV. Sexual contact transmission

Clinically, more than 90% of syphilis is transmitted through sexual contact with syphilis patients. The ways of sexual contact include sex, warm kissing and skin contact hugs. Because the skin and mucous membrane of the human genitals are thin, the blood vessels are rich, and the sexual life is in a state of extreme hyperemia, the friction of sexual life can cause slight damage, creating conditions for the invasion of Treponema pallidum.

V. propagation of birth canal

When the fetus passes through the birth canal infected with syphilis, the pallid Treponema pallidum in the birth canal can be infected to the fetus, causing the newborn to infect syphilis.

There are five items for the diagnosis of syphilis.

There are five main types of tests for syphilis:

1. Detection of igm antibody against Treponema pallidum.

Igm antibody is a kind of immunoglobulin, which has the advantages of high sensitivity in the diagnosis of syphilis, early diagnosis and judging whether the fetus is infected with Treponema pallidum.

2. Molecular biology syphilis test.

Pcr technology is widely used in clinic, the so-called pcr is polymerase chain reaction, syphilis test is to amplify the selected spirochete dna sequence from the selected materials, so as to increase the number of copies of selected spirochete dna, which can be easily detected with specific probes, so as to improve the diagnosis rate of syphilis.

3. Serological detection of syphilis.

Serological tests for syphilis include non-Treponema pallidum serological test and Treponema pallidum serological test. The former is often used for clinical screening and determining the effect of treatment, while the latter is mainly used to determine the effect of treatment, but it cannot determine the effect of treatment. Once you have syphilis, this test will be positive for life.

4. Cerebrospinal fluid examination.

Patients with advanced syphilis, when there are neurological symptoms, after expelling plum treatment is ineffective, cerebrospinal fluid examination should be made. This examination is helpful for the diagnosis, treatment and prognosis of neurosyphilis.

5. Dark field microscopy.

Dark vision, as the name implies, means that there is no bright light under the microscope my old ass , which makes it easy to examine pale spirals. This is a pathogen test, which is of great significance for the diagnosis of early syphilis, and dark-field microscopy is also one of the most important tests for syphilis.
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