1, currently see a lot of institutions (mostly physical examination) to detect HP antibodies, the principle of detection is: HP as a pathogenic microorganisms with antigenic properties, after infection of the body, the body produces an immune response and antibody, we detect this antibody, but in HP
After HP is killed, antibodies can exist in the body for a long time, up to six months or more, so most of the current antibody test only indicates that there has been an HP infection, does not mean that there is now a bacterial infection; in recent years, we have seen an antibody detection reagent (test card), the test can indicate a “current infection strip” to detect the current infection, but most of the Physical examination does not use this method, and its accuracy needs to be further clinical verification. 2, understand the above, you can know why the antibody test positive rate is very high, even if the test is very accurate breath test, the positive rate is also very high, because China is a country with a high rate of HP infection, most areas up to 50% or more. In most cases, the antibodies are found to be positive, to further confirm whether there is an infection, through gastroscopy or breath test. 3, but not all infected people need treatment, our experts recommend the latest (fourth edition) consensus opinion that the following diseases combined with HP infection need treatment: 1) peptic ulcer; 2) gastric mucosa-associated lymphoid tissue lymphoma; 3) family history of gastric cancer; 4) gastritis with significant dyspeptic symptoms, gastric mucosal erosion, atrophy; 5) after gastric surgery; 6) plan to take long-term NSAIDS ( including small doses of aspirin); 7) unexplained iron deficiency anemia; 8) progressive platelet purpura; 9) other clear HP-related diseases. For our country, there is also a situation where someone does not have these diseases, but is very afraid of HP and strongly requests treatment, expert opinion is that treatment can also be given, but most of my work is to reason with the patient and generally do not treat, because after all, the drugs applied are also adverse reactions. Personally, I think there are many factors in the development of gastric cancer, and Hp is only one of the many causes. 5, the treatment of HP, must be under the guidance of a specialist, the regular use of triple or quadruple medication, do not do their own advocate medication, and now some doctors do not understand the professional characteristics, the treatment plan given is not standardized. 6, HP prevention, mainly pay attention to dietary hygiene, it is best to use public chopsticks, public spoons to serve food to eat, do not have each other pinch dishes and other behavior, to stop feeding children with mouth, dishes pay attention to clean.