There are only more than 100 cases in the country. How to solve the "difficulty in using blood" behind the rare blood group?

　　China News Service, Beijing, November 1st (Wei Xianghui) Recently, a case of a rare blood type, the Mumbai-like blood type, was found in Changsha.

It is understood that this blood type was first discovered in Mumbai, India in 1952, and was named after it. It is also known as "dinosaur blood" because it is rarer than RH-negative "panda blood".

According to media reports, there are currently only more than 100 cases in China.

　　For rare blood type groups, "difficulty in using blood" has always been a major problem.

In recent years, blood centers around the world have been continuously improving the construction of rare blood type banks to provide health protection for these groups.

Data map: A mother infused with "diamond blood" provided by a person with a rare blood type.

Photo by Wei Liang

People with rare blood types should pay attention to health and safety

　　Similar to the experience of the "dinosaur blood" patient found in Changsha, when she was 3 months pregnant, Ms. Zhu was found to have Rh-negative blood type B, which is also known as "panda blood".

　　Before that, Ms. Zhu thought she had type B blood.

She told Chinanews.com that after learning that she had a rare blood type, she checked a lot of information and found that finding a hospital was a big problem.

"Many hospitals, including the top three hospitals, do not have the equipment to detect irregular antibodies."

　　In this regard, Xie Xiuhua, a doctor in the Blood Transfusion Research Office of the Central Blood Station in Bao'an District, Shenzhen, explained to Chinanews that most of the rare blood types are discovered through the establishment of rare blood type banks or when the human body produces irregular antibodies that are incompatible with blood. Irregular antibodies are mainly Produced by immune stimulation such as blood transfusion or pregnancy.

　　It is understood that the distribution of blood group system antigens varies in different regions and different ethnic groups.

The proportion of Rh-negative blood in European Caucasians is about 15%, but in my country's Han population, it is only 3/1,000.

According to reports, among the Mumbai-like blood groups, the European Caucasian population is 1/1 million, the Japanese population is about 1/300,000, the Hong Kong population is 1/15620, and the Fujian population is 1/8500.

　　Xie Xiuhua said that in daily life, people with rare blood types should pay more attention to their health and safety to avoid blood transfusions.

If a woman is pregnant and gives birth, she should go to a regular medical unit for an obstetric examination and prepare compatible blood in advance.

Expand storage capacity and ease the problem of "blood use"

　　"It is difficult to use blood" is one of the biggest problems faced by people with rare blood types.

It is understood that the establishment of a rare blood group bank is the main way to solve the "difficulty in using blood" for this group of people.

　　It is understood that people with rare blood types can also go to the blood center to donate blood, or leave the blood type information in the blood center to be added to the file of rare blood type blood donors. In the future, when they need help or others need help, they can get in touch as soon as possible.

　　Xie Xiuhua introduced that the rare blood type bank is to store the basic information, blood type information and blood of rare blood type donors and patients. When urgently needed, the blood bank can directionally find blood that matches the patient, or recruit suitable blood donors to donate blood. Rescue.

　　In 2020, the Blood Transfusion Research Laboratory of the Central Blood Station in Bao'an District, Shenzhen conducted an irregular antibody screening test on blood donors, and found 2 cases of D-rare blood type, both of which were female blood donors.

After blood donation, their blood was cryopreserved in glycerolized cryopreservation to facilitate emergency blood transfusion for patients with clinically rare blood types.

They also established a 25-person Fy(a-) emergency information bank and a 14-person frozen entity bank.

　　In recent years, local blood centers have continuously improved the construction of rare blood type banks and expanded the storage capacity so that those in need can find matching blood from the rare blood type bank.

　　"Some people with rare blood types spontaneously organize non-governmental mutual aid organizations to provide mutual assistance." Xie Xiuhua said that more people need to know about rare blood types and form a scientific understanding of it.

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