ABO and RhD Blood Groups in Nasal Polyposis
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Objective:The aim of this study was to determine ABO and RhD blood group distribution in nasal polyposis (NP) patients and whether there is a specific ABO or RhD blood phenotype associated with susceptibility to or protection with respect to development of NP. Methods:The study group comprised 126 consecutive patients with chronic rhinosinusitis and bilateral NP.The control group comprised 126 healthy blood donors.All participants were from the same geographical region.Distribution of ABO and RhD phenotypes in all participants was studied.Results: There were no significant differences between patients and controls in the distribution of the A (p=0.520), B (p=0.306), AB (p=0.673),O (p=0.894), and RhD (p=0.742)phenotypes. Conclusion:According to the present results, the ABO and RhD blood group systems are not associated with development of NP.Keywords:
Chronic Rhinosinusitis
Abstract Introduction/Objective Karl Landsteiner discovered the ABO blood group system in 1900, which was the first human blood group system. The Rh blood group system was found forty years later. The antigens on the surface of red blood cells are used to classify people into ABO blood groups. In the ABO system, there are four types: A, B, AB, and O; in the rhesus system, there are two types: Rh-positive and Rh-negative. Blood group identification is critical for efficiently managing blood banks and blood transfusion services to avoid serious transfusion reactions. Methods/Case Report The study was performed on a total of 5996 healthy blood donors in the United Arab of Emirates (UAE). ABO and Rh (D) groupings were performed on all donors' samples by the gel electrophoresis technique. Data on the frequency of ABO and Rh(D) blood groups were reported in numbers and percentages. Results (if a Case Study enter NA) The study revealed that type O is the most prevalent blood group in the United Arab Emirates (43.83%), followed by A at 26.68% and B at 23.90%, with AB having the lowest prevalence at 5.58%; O > A > B > AB. Our study found that 92.57% of the donor population was Rh-positive, whereas 7.43% was Rh- negative. The IA, IB, and IO allele frequencies were determined using the Hardy-Weinberg rule of equilibrium. The gene frequencies are calculated to be 0.1942 for IA (p), 0.1438 for IB (q), and 0.6620 for IO (r). O (r) has the most value in UAE, followed by A (p) and B (q); O > A > B. OO constituted 43.83% of the homozygous types, AA 3.77%, and BB 2.06%. The heterozygous types were 25.71% for AO, 19.03% for BO, and 5.58% for AB. Conclusion The study gives reliable ABO gene frequency statistics and information on the distribution of ABO blood group Rh groups of various alleles in the United Arab Emirates. This knowledge aids in the efficient management of the blood bank's inventory. It will aid transfusion services in anticipating future health issues and improving blood transfusion practice. The study is the first to give reliable ABO gene frequency statistics and information on the distribution of ABO blood group Rh groups of various alleles in the United Arab Emirates. This knowledge aids in the efficient management of the blood bank's inventory. It will aid transfusion services in anticipating future health issues and improving blood transfusion practice.
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The ABO and Rhesus (Rh D) blood groups are the most important blood group systems among the long list of several other blood groups discovered so far. ABO and Rh D blood groups are antigenic and hereditary in nature. These blood groups are useful in the studies of population genetic to resolve medico-legal issues and more importantly the immunologic safety of blood during a transfusion. The ABO and Rh D blood groups vary globally and are not found in equal numbers among ethnic groups. The study area chosen was based on the fact that the schools enrolled students belong from all sections of the society. The blood tests were done among students after taking proper consent. The main purpose of this study was to determine the allele frequency of ABO and Rh D blood group among school students. The study found that the overall ABO allele frequency of Ia allele (p) was 0.177, Ib allele (q) 0.327 and Io allele (r) 0.494. The allele frequency of Rh factor was ID (v) (0.731) and Id (u) 0.269. This study also found that the phenotypic prevalence of blood group B was highest with the percentage of 33.7 followed by blood group A (30.4%), O (24.5%) and AB (11.25). The percentage of Rh positive was 92.71% and that of Rh negative was found to be 7.28% only.
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Abstract Background: The distribution of ABO and rhesus (Rh) blood groups has been reported to be different in several world populations. There have been few studies about blood groups among Libyan population. Aims: The study aims to determine the distribution and frequency of ABO and Rh blood groups among Libyan population in Bani Waleed city. Subjects and Methods: The study group had included 344 participants of both genders aged between 15 and 80 years. Blood samples were collected for ABO and Rh blood group analysis from September to December 2018. Results: The percentage of male participants was 55.8% and 48.2% were female. The highest percentage (30.2%) were among the age group of 23–32 years. O blood group was the most common (43.6%), followed by A (31.7%), B (17.7%), and finally, AB blood group (7.0%). The percentage of Rh positive (Rh+) was 72.2% and of Rh negative (Rh−) was 23.8%. Moreover, the prevalence of ABO with Rh+ was 33.4%, 27.6%, 11.3%, and 4.7% for O+, A+, B+, and AB+, respectively. The prevalence of ABO with Rh− was 9.9%, 6.11%, 4.1%, and 2.6% for O−, B−, A−, and AB−, respectively. Conclusion: The distribution of ABO blood group in the present study is ordered of O > A> B > AB with majority of Rh+ and higher frequencies of Rh−. The findings of this study will contribute in health services and use them as database to know detailed information of blood types such as for blood bank and blood transfusion and also to be used in population studies.
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The present study has been conducted on 1500 pregnant women of Patiala. All the cases were examined for ABO and Rh(D) blood groups; the Rh(D)-negative cases also for evidence of Rh-immunization. The distribution of ABO blood groups reveals 40.20% blood group B, 29.27% blood group O, 22.80% blood group A, and 7.73% blood group AB. Rh(D) blood types reveal 94.40% positive cases and 5.60% negative cases. Incidence of immunization was found to be 1.33% in the total sample and 23.80% in Rh(D)-negative cases. Comparison of these frequencies has been sought with some other studies.
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Background:The ABO blood group system was the first human blood group system to be discovered by Landsteiner in 1900.The second type of blood group is the rhesus system.There are only two Rh phenotype such as Rh positive and Rh negative, depending on whether Rh antigen is present on the red cell or not.The frequency of ABO and Rh phenotypes in different populations has been extensively studied.The present study was done to assess the prevalence of blood groups in different categories of Northern India and to compare our results with other studies conducted in India and else where in the world and its multipurpose future utilities for the health planners.Methods: A retrospective study was carried out on 23,320 blood donors during a period of one year from 1 st January to 31 st December 2011.The Blood samples were obtained by standard procedures of venupuncture and subjected to determination of ABO and Rhesus blood group using antisera by combined slide and test tube method.Each sample of donors was tested for ABO and Rhesus status. Results:The blood group B (34.84%) was the commonest group prevalent in donors followed by group O (29.75%),A (21.50%) and AB (13.91%).AB negative was not seen in female donors. Conclusion:The commonest ABO blood group was group B in Northern India with Rh negativity at only 4.55%.
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It is well established that ABO and rhesus (Rh) genes and phenotypes vary widely between ethnic groups and both within and between geographical areas. The aim of this study was to determine the distribution of ABO and Rh blood groups in Kurds and to compare it with those of other populations.The study included blood grouping of total population of 53,234 whose ABO and Rh blood groups were determined by standard methods during a period of about 5 years (2005-2009).The most prevalent blood group was O (37.16%), followed by blood groups A (32.47%) and B (23.84%), whereas the least prevalent blood group was AB (6.53%). The majority 91.73% were Rh positive, and 8.27% were Rh negative. Data showed that among the Rh-positive individuals, 34.03% were O, 29.99% were A, 21.69% were B, and 6.02% were AB. Break up of the Rh negatives showed that 3.13% were group O, 2.48% were A, 2.15% were B, and 0.51% were AB.Blood group O is the commonest blood group in, followed by A, B, and AB. More than 91% of the study population is Rh positive. Also, we can conclude that distribution of ABO and Rh blood groups in Kurds, in addition to being close to the mean of the world's population, is closest to Iranians, with similar trend to the neighboring countries, and appears to be intermediate between eastern (Asian) and western European (Caucasian) data.
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Background: The ABO blood group system was the first human blood group system to be discovered by Landsteiner in 1900. The second type of blood group is the rhesus system. There are only two Rh phenotype such as Rh positive and Rh negative, depending on whether Rh antigen is present on the red cell or not. The frequency of ABO and Rh phenotypes in different populations has been extensively studied. The present study was done to assess the prevalence of blood groups in various blood donors in Kashmiri population, a part of Northern India and to compare our results with other studies conducted in other parts of India and elsewhere in the world. Material and Methods: The study group consisted of various
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