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Silvestre-Ferreira A, Pastor J. Wild Felids Blood Group System. Animals (Basel) 2021; 11:3533. [PMID: 34944308 PMCID: PMC8698159 DOI: 10.3390/ani11123533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/03/2021] [Accepted: 12/07/2021] [Indexed: 11/16/2022] Open
Abstract
Wild felids and domestic cats share the AB blood group. However, there have been few studies regarding the characterization and prevalence of the different blood types in wild animals. The erythrocyte membrane glycolipids of the wild cats correspond to the major disialoganglioside patterns observed in domestic cats. Like in domestic cats, type A blood seems to be the most common, although wild felid species seem to exhibit one single blood type. Of the species studied, the wild domestic cats, and the Panthera and ocelot lineages, all had type A blood; the Puma lineage showed almost exclusively type B blood. The prevalence of wild felids blood types show that there seems to be variation between species, but not within species, and no evidence of geographical variation has yet been found, showing apparently no genetic variability. The presence of alloantibodies has also been demonstrated, so the risk of life-threatening transfusion reactions due to mismatched transfusions and neonatal isoerythrolysis is a possibility. Like in other species, the recognition of wild felids blood groups is clinically relevant, as it can also be important in establishing phylogenetic relationships within the Felidae family. We will review the current knowledge on this topic and give insights into the wild felids blood groups potential for zoo transfusion medicine and phylogenetic studies in order to help support reintroduction projects and to preserve genetic diversity.
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Affiliation(s)
- Ana Silvestre-Ferreira
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
- Animal and Veterinary Research Centre (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Josep Pastor
- Department de Medicinia i Cirurgia Animals, Facultat de Veterinària, Universititat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain;
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Feline Blood Groups: A Systematic Review of Phylogenetic and Geographical Origin. Animals (Basel) 2021; 11:ani11123339. [PMID: 34944117 PMCID: PMC8698024 DOI: 10.3390/ani11123339] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Numerous breeds have been identified in the domestic cat, grouped according to their phylogenetic or geographical origin. In the cat, the AB blood group system is the most important feline system, and the determination of the blood group by specific methods is an essential step to avoid or reduce the risk of an adverse reaction in the recipient patient. Many studies have been published on the distribution and prevalence of blood types in pedigree and non-pedigree cats, but the information has never been collated in a systematic manner. Abstract Domestic cats descended from the African wildcat several thousand years ago. Cats have spread to all parts of the world, probably along routes between civilizations or geographical boundaries, leading to the movement of species, from Asia to the African continent through the Mediterranean basin, and finally to the American continent, Australia, and New Zealand. Currently, 73 cat breeds are recognized by the International Cat Association. With the increasing interest in the selection of breeds, the determination of blood groups in cats has acquired importance over time. The AB blood group system is the most important blood system in cats, in which A, B, and AB or C blood groups are identified. This systematic review describes data from previously published reports about cat blood types and cat breeds. After applying specific criteria, 28 eligible studies were identified in which the prevalence percentages for each blood group in correlation with specific cat breeds were reported. The breeds were, in turn, divided into four groups according to their geographic and phylogenetic origins as follows: Asian cat breeds, American cat breeds, European cat breeds, and breeds from Oceania. Although numerous studies were carried out before 2021, gaps in the literature on the AB system and, in particular, the Mik group are highlighted.
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Tommaso MD, Miglio A, Crisi PE, Boari A, Rocconi F, Antognoni MT, Luciani A. Frequency of Blood Types A, B and AB in a Population of Non-Pedigree Domestic Cats from Central Italy. Animals (Basel) 2020; 10:ani10101937. [PMID: 33096858 PMCID: PMC7589244 DOI: 10.3390/ani10101937] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/01/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary This study aimed to evaluate the frequency of AB blood groups in non-pedigree domestic cats in Central Italy. The presence of natural alloantibodies in the feline blood group system can cause life-threatening transfusion reactions due to mismatched transfusion and, depending on the parents’ blood type, can also account for hemolytic reactions in newborn kittens. Based on the frequency of the AB blood groups found in the 483 cats studied, a potential risk (6.5%) of acute hemolytic transfusion or neonatal reactions was calculated. Therefore, determining the blood group in non-pedigree domestic cats from Central Italy before transfusion is strongly recommended, as has been reported for other geographical areas. Moreover, particular attention should be paid to the mating of non-purebred cats. Abstract Blood transfusion reactions and neonatal isoerythrolysis are common events in the feline population due to the presence of natural alloantibodies in the AB blood group system. It is known that the frequency of feline blood types varies according to the geographic region and breed. Therefore, the aims of this study were to investigate the frequency of AB blood groups in non-pedigree domestic cats in Central Italy and estimate the risk of a life-threatening transfusion reaction and neonatal isoerythrolysis, caused by mismatched transfusion or incompatible random mating, respectively. The AB blood group was determined on non-pedigree domestic feline patients and potential blood donors submitted at the Veterinary Teaching Hospitals of the Universities of Teramo (Abruzzo Region, Teramo, Italy) and Perugia (Umbria Region, Teramo, Italy), and visited at veterinary practitioners in Rome (Lazio Region, Teramo, Italy) using commercial immunochromatographic cartridges and commercial agglutination cards. There were four hundred and eighty-three cats included in the study. The frequencies of the blood types were: 89.9% type A, 7.0% type B, and 3.1% type AB. The probability of an acute hemolytic transfusion reaction or a neonatal isoerythrolysis was 6.5%. Although the frequency of type B in non-pedigree domestic cats living in Central Italy was relatively low, to reduce the risk of fatal transfusion reactions, blood group typing is recommended before each transfusion.
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Affiliation(s)
- Morena Di Tommaso
- Faculty of Veterinary Medicine, Veterinary University Hospital, University of Teramo, Piano d’Accio, 64100 Teramo, Italy; (P.E.C.); (A.B.); (F.R.); (A.L.)
- Correspondence: (M.D.T.); (A.M.)
| | - Arianna Miglio
- Department of Veterinary Medicine, University of Perugia, 06100 Perugia, Italy;
- Correspondence: (M.D.T.); (A.M.)
| | - Paolo Emidio Crisi
- Faculty of Veterinary Medicine, Veterinary University Hospital, University of Teramo, Piano d’Accio, 64100 Teramo, Italy; (P.E.C.); (A.B.); (F.R.); (A.L.)
| | - Andrea Boari
- Faculty of Veterinary Medicine, Veterinary University Hospital, University of Teramo, Piano d’Accio, 64100 Teramo, Italy; (P.E.C.); (A.B.); (F.R.); (A.L.)
| | - Francesca Rocconi
- Faculty of Veterinary Medicine, Veterinary University Hospital, University of Teramo, Piano d’Accio, 64100 Teramo, Italy; (P.E.C.); (A.B.); (F.R.); (A.L.)
| | | | - Alessia Luciani
- Faculty of Veterinary Medicine, Veterinary University Hospital, University of Teramo, Piano d’Accio, 64100 Teramo, Italy; (P.E.C.); (A.B.); (F.R.); (A.L.)
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Spada E, Perego R, Baggiani L, Salatino E, Priolo V, Mangano C, Pennisi MG, Proverbio D. Prevalence of Blood Types and Alloantibodies of the AB Blood Group System in Non-Pedigree Cats from Northern (Lombardy) and Southern (Sicily) Italy. Animals (Basel) 2020; 10:ani10071129. [PMID: 32635140 PMCID: PMC7401586 DOI: 10.3390/ani10071129] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 12/03/2022] Open
Abstract
Simple Summary The most important blood group system in cats is the AB, in which cats are classified as type-A, B or AB. Cats have antibodies against the blood type they do not possess, called alloantibodies. The aims of this study were to update blood type prevalence in cats from Northern Italy and study for the first time the blood type in cats from an insular region of Southern Italy, Sicily; to detect alloantibodies in these feline populations; to compare results with previous studies performed in Italy and between regions in Northern and Southern Italy. Cats from Southern Italy had the highest prevalence of type-B and type-AB, and the lowest prevalence of type-A blood in Italy. In particular, type-AB prevalence was higher than all previous reports in non-pedigree cats in Europe and the Italian prevalence of anti-type-B alloantibodies in type-A cats was the lowest reported worldwide. These results highlight the usefulness of regional studies to report different prevalences in feline blood types. Compatibility tests such as blood typing and cross matching must be considered fundamental in cats of any origin to ensure safe and efficient blood transfusion and to prevent neonatal isoerythrolysis. Abstract The aims of this study were to determine the prevalence of A, B and AB blood types and alloantibodies in non-pedigree cats from two regions, one in Northern and one in Southern Italy (Lombardy and Sicily, respectively). A total of 448 samples (52.0% from Northern and 48.0% from Southern Italy) were blood typed. The prevalence of A, B and AB blood types in northern and southern cats were 91.0%, 5.2%, 3.8%, and 77.2%, 12.1% and 10.7%, respectively. The prevalence of type-A blood in southern cats was significantly lower (p = 0.0001) than in northern cats, while type-B and AB blood were significantly higher (p = 0.0085 and p = 0.0051, respectively) in Southern compared to Northern Italian cats. Alloantibodies against type-A blood were found in 94.1% of type-B cats, 11.2% of type-A cats had alloantibodies against type-B blood, while no type-AB cats had alloantibodies with no significant difference between the two Italian populations. Type-AB prevalence in non-pedigree cats in Southern Italy was the highest reported in Europe. Italian type-A cats had the lowest worldwide prevalence of alloantibodies against type-B blood. These results highlight the usefulness of regional studies to report different prevalences in feline blood types and reinforce the importance of blood typing cats before transfusions and mating.
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Affiliation(s)
- Eva Spada
- Veterinary Transfusion Research Laboratory (REVLab), Department of Veterinary Medicine (DIMEVET), University of Milan, 20133 Milan, Italy; (L.B.); (E.S.); (D.P.)
- Correspondence: (E.S.); (R.P.)
| | - Roberta Perego
- Veterinary Transfusion Research Laboratory (REVLab), Department of Veterinary Medicine (DIMEVET), University of Milan, 20133 Milan, Italy; (L.B.); (E.S.); (D.P.)
- Correspondence: (E.S.); (R.P.)
| | - Luciana Baggiani
- Veterinary Transfusion Research Laboratory (REVLab), Department of Veterinary Medicine (DIMEVET), University of Milan, 20133 Milan, Italy; (L.B.); (E.S.); (D.P.)
| | - Elisabetta Salatino
- Veterinary Transfusion Research Laboratory (REVLab), Department of Veterinary Medicine (DIMEVET), University of Milan, 20133 Milan, Italy; (L.B.); (E.S.); (D.P.)
| | - Vito Priolo
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (V.P.); (C.M.); (M.G.P.)
| | - Cyndi Mangano
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (V.P.); (C.M.); (M.G.P.)
| | - Maria Grazia Pennisi
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (V.P.); (C.M.); (M.G.P.)
| | - Daniela Proverbio
- Veterinary Transfusion Research Laboratory (REVLab), Department of Veterinary Medicine (DIMEVET), University of Milan, 20133 Milan, Italy; (L.B.); (E.S.); (D.P.)
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McDermott FM, Maloney S, McMillan C, Snead E. The Prevalence of Blood Groups in Domestic Cats in the Saskatoon and Calgary Areas of Saskatchewan and Alberta, Canada. Front Vet Sci 2020; 7:160. [PMID: 32373632 PMCID: PMC7186432 DOI: 10.3389/fvets.2020.00160] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/05/2020] [Indexed: 11/25/2022] Open
Abstract
The purpose of this study was to evaluate blood types of domestic cats in two cities in Western Canada (Saskatoon, Saskatchewan and Calgary, Alberta), as well as to determine the risk of mismatched transfusion and neonatal isoerythrolysis. Several cat studies around the world have shown variability in the prevalence of blood types in domestic and pedigree cats. Canadian data based on feline blood types is based out of Montreal. In this study the cohort of cats revealed a higher than anticipated prevalence; of 5% type B and 0.6% AB blood types. In our study, blood typing was performed in 400 domestic cats; 200 in Saskatoon and 200 in Calgary. Blood typing was performed using the gel tube method and the risk of transfusion mismatch (MT) was estimated by adding the risk of a major transfusion reaction and the risk of a minor transfusion reaction. The risk of neonatal isoerythrolysis (NI) was estimated according to the equation (p2)(q2) + 2pq(q2), with q being the b allele frequency and p = 1 – q. There was an identical frequency for feline blood types in both Saskatoon and Calgary cats, with 96% type A, 4% type B, and 0% AB. Based on these percentages, the risks of MT and NI in domestic cats were 7.6 and 4 % respectively. The frequency of type B cats in the population was similar to that in the previous Canadian study. These results demonstrate regional differences in prevalence of type B blood in domestic shorthairs across the world and serve to reinforce recommendations to blood type prior to transfusion or mating.
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Affiliation(s)
- Fergal M McDermott
- Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Stephanie Maloney
- Department of Veterinary Clinical and Diagnostic Science, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Chantal McMillan
- Department of Veterinary Clinical and Diagnostic Science, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Elisabeth Snead
- Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
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Nectoux A, Guidetti M, Barthélemy A, Pouzot-Nevoret C, Hoareau GL, Goy-Thollot I. Assessment of risks of feline mismatched transfusion and neonatal isoerythrolysis in the Lyon (France) area. JFMS Open Rep 2019; 5:2055116919863175. [PMID: 31384478 PMCID: PMC6651689 DOI: 10.1177/2055116919863175] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objectives The aims of this study were to update the prevalence of different feline blood types in the Lyon (France) area, as well as to determine the risk of mismatched transfusion (MT) and neonatal isoerythrolysis (NI) in kittens with parents of unknown blood type. Methods Blood samples were obtained from blood donor cats and cats admitted to an intensive care unit in Lyon. AB blood typing was performed using an immunochromatographic strip. The risk of MT was estimated by adding the risk of a major transfusion reaction and the risk of a minor transfusion reaction. The risk of NI was estimated according the equation (p²)(q²) + 2pq(q²), with q being the b allele frequency and p = 1 - q. The results were analysed by absolute and relative frequency analysis and multivariate analysis. Results The cohort study population included 320 non-pedigree cats and 37 pedigree cats. The prevalence of blood types A, B and AB was 84.3%, 14.0% and 1.7%, respectively. Considering non-pedigree cats, the prevalence of types A, B and AB was 83.7%, 14.4% and 1.9%, respectively. There were no significant differences of blood type distribution by sex (P = 0.73) or by breed (P = 0.90). Based on these percentages, the risks of MT and NI in non-pedigree cats were 24.3% and 12.3%, respectively. Conclusions and relevance The prevalence of type B cats is high in the Lyon area and associated with high risks of MT and NI. These results confirm the importance of performing blood typing prior to any blood transfusion or mating.
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Affiliation(s)
- Alexandra Nectoux
- Intensive Care Unit (SIAMU), University of Lyon, VetAgro Sup, Marcy l'Etoile, France
| | | | - Anthony Barthélemy
- Intensive Care Unit (SIAMU), University of Lyon, VetAgro Sup, Marcy l'Etoile, France
| | - Céline Pouzot-Nevoret
- Intensive Care Unit (SIAMU), University of Lyon, VetAgro Sup, Marcy l'Etoile, France
| | - Guillaume L Hoareau
- Clinical Investigation Facility, David Grant USAF Medical Center, Travis AFB, CA, USA
| | - Isabelle Goy-Thollot
- Intensive Care Unit (SIAMU), University of Lyon, VetAgro Sup, Marcy l'Etoile, France
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Zheng L, Zhong Y, Shi Z, Giger U. Frequencies of blood types A, B, and AB in non-pedigree domestic cats in Beijing. Vet Clin Pathol 2011; 40:513-517. [PMID: 22092346 DOI: 10.1111/j.1939-165x.2011.00371.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2010] [Revised: 03/06/2011] [Accepted: 04/01/2011] [Indexed: 11/29/2022]
Abstract
BACKGROUND Frequencies of blood types A, B, and AB in domestic cats vary geographically and among breeds and have not been reported in China. OBJECTIVE The purpose of this study was to survey the frequency of blood types in domestic cats in the Beijing area. METHODS A total of 262 cats from the city of Beijing were blood-typed using a standard tube agglutination assay. All cats were nonpedigree domestic shorthaired and longhaired cats; purebred cats were excluded. Serum obtained from type-B cats and a lectin (Triticum vulgaris) solution served as anti-A and anti-B reagents, respectively. The presence of alloantibodies was also determined in some cats. RESULTS The frequency of blood types was 88.2% type A, 11.4% type B, and 0.4% type AB. The tube assay resulted in 3+ to 4+ agglutination reactions with either the anti-A or anti-B reagents. The 1 type AB sample showed 3+ agglutination with both anti-A and anti-B reagents; the plasma of that sample did not react with either type-A or type-B RBCs. Tested type-B cats had strong anti-A antibodies. CONCLUSIONS The frequency of blood type B in the Beijing area was relatively high and similar to that reported for other Asian countries and Australia. Blood-typing is recommended to match donors and recipients before transfusion therapy and planned matings to avoid hemolytic transfusion and neonatal isoerythrolysis reactions, respectively, due to blood-type incompatibility.
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Affiliation(s)
- Lan Zheng
- Department of Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yougang Zhong
- Department of Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Zhensheng Shi
- Department of Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Urs Giger
- Section of Medical Genetics, Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Proverbio D, Spada E, Baggiani L, Perego R, Milici A, Ferro E. Comparison of gel column agglutination with monoclonal antibodies and card agglutination methods for assessing the feline AB group system and a frequency study of feline blood types in northern Italy. Vet Clin Pathol 2011; 40:32-9. [PMID: 21299585 DOI: 10.1111/j.1939-165x.2011.00286.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND A new commercial gel column agglutination system is reported to have high sensitivity in detecting cats with blood type AB. OBJECTIVES The aims of this study were to compare gel column agglutination and card agglutination methods for feline blood-typing and to determine the frequency distribution of feline blood types in northern Italy. METHODS Blood-typing was performed on 120 cats using both a commercial gel column containing monoclonal antibodies (ID Gel-Test Micro Typing System) and a card agglutination method (RapidVet-H Feline). Results were confirmed with back-typing. Sensitivity, specificity, positive predictive value, and negative predictive value were calculated for the 2 methods. A second group of 140 Domestic Shorthair (DSH) cats was blood-typed using the gel column technique to determine the frequency distribution of feline blood types in northern Italy. RESULTS The card agglutination method demonstrated poor sensitivity in identification of type-AB cats (61%) and was only 95% specific when identifying type-B cats. The gel column agglutination technique demonstrated 100% sensitivity and specificity for typing all 3 blood types (A, B, and AB). The frequency distribution study of 140 cats demonstrated that 127 (90.7%) cats were type A, 10 (7.1%) were type B, and 3 (2.1%) were type AB. CONCLUSION When blood-typing cats of breeds with a relatively high frequency of blood types B and AB, methods that use monoclonal antibodies for detection of blood types B and AB are recommended. Alternatively, blood type can be confirmed by more sensitive supplemental testing, such as back-typing. The high frequency of blood type A in DSH cats in northern Italy was comparable to previously reported frequencies in Italy and world-wide.
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Affiliation(s)
- Daniela Proverbio
- Department of Veterinary Clinical Science, Faculty of Veterinary Medicine, University of Milan, Milan, Italy.
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Abstract
PRACTICAL RELEVANCE blood transfusions are a potentially life-saving procedure that are within the reach of most small animal practitioners. Only minimal equipment is required. PATIENT GROUP any cat with clinical signs attributable to a reduced red blood cell mass that is affecting oxygen transport (as a result of reduced packed cell volume or acute blood loss) is a potential candidate for a transfusion. CLINICAL CHALLENGES although the principles of transfusion medicine are not complicated, there can be fatal consequences if certain steps are omitted. DIAGNOSTICS blood typing kits and blood filters are readily available from veterinary wholesalers, laboratories and blood banking services. EVIDENCE BASE over the past three decades, a substantial body of clinical research and reports has built up covering feline blood types and transfusion medicine. This article draws on that research to provide clinical guidance aimed at all veterinarians in feline or small animal practice who either currently practise transfusion medicine or plan to do so.
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Silvestre-Ferreira AC, Pastor J. Feline neonatal isoerythrolysis and the importance of feline blood types. Vet Med Int 2010; 2010:753726. [PMID: 20631821 PMCID: PMC2899707 DOI: 10.4061/2010/753726] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2009] [Revised: 12/21/2009] [Accepted: 03/14/2010] [Indexed: 11/22/2022] Open
Abstract
Although feline neonatal isoerythrolysis is rare, associated mortality rate is high. It results from mating of type B blood queens with type A or AB blood toms. A comprehensive review on feline blood types and feline neonatal isoerythrolysis physiopathology, clinical features, diagnosis, treatment, and prevention is covered.
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Affiliation(s)
- Ana C. Silvestre-Ferreira
- Department of Veterinary Sciences, Veterinary Hospital, University of Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal
| | - Josep Pastor
- Department of Animal Medicine and Surgery, Veterinary Faculty, Autonomous University of Barcelona, 08193 Bellaterra, Spain
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Abstract
Blood samples from 100 adult Bengal cats from the UK were submitted for assessment of blood type using RapidVet-H Feline blood typing cards (dms Laboratories), with further assessment by standard blood typing in a microtitre plate assay when card typing was inconclusive or revealed blood type B or AB. Ninety-eight cats were found to be type A when assessed using the blood typing cards. One cat initially tested as type AB but was found to be type A on testing a second blood sample using the blood typing cards. One cat initially tested as type B but was found to be type A when a second sample was tested by standard blood typing assay. Finding that 100% of the cats were blood type A is in contrast with previous studies that reported 10 Bengal cats to be type A, four to be type AB and one to be type B.
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Affiliation(s)
- Danièlle A Gunn-Moore
- Royal (Dick) School of Veterinary Studies, University of Edinburgh Hospital for Small Animals, Easter Bush Veterinary Centre, Scotland, United Kingdom.
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Forcada Y, Guitian J, Gibson G. Frequencies of feline blood types at a referral hospital in the south east of England. J Small Anim Pract 2007; 48:570-3. [PMID: 17608664 DOI: 10.1111/j.1748-5827.2007.00325.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To determine the prevalence of blood types in the feline patients and blood donors of the Queen Mother Hospital for Animals (The Royal Veterinary College, London, UK), that were typed between 2000 and 2004. METHODS A retrospective study was performed using files of patients and blood donors of the Queen Mother Hospital for Animals seen between January 2000 and November 2004. Commercial blood typing cards were used to determine the blood type. RESULTS One hundred and fifty-six cats were included in the study; 51 (32.7 per cent) were pedigree and 105 (67.3 per cent) non-pedigree. Of the 51 pedigree cats, the prevalence of blood types was as follows: type A, 42 (82.4 per cent); type B, seven (13.7 per cent) and type AB, two (3.9 per cent). Of the 105 non-pedigree cats, the prevalence of blood types was as follows: type A, 71 (67.6 per cent); type B 32 (30.5 per cent) and type AB two (1.9 per cent). CLINICAL SIGNIFICANCE The prevalence of type B blood in non-pedigree cats is higher than previously suggested and shows high variability within the UK; because of this, blood typing all feline patients, not only the ones of a breed typically known to have higher prevalence of type B blood before transfusion, is absolutely necessary to avoid a fatal transfusion reaction.
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Affiliation(s)
- Y Forcada
- Small Animal Teaching Hospital, The University of Liverpool, Leahurst, Chester High Road, Neston, Cheshire CH6 7TE, UK
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Arikan S, Gurkan M, Ozaytekin E, Dodurka T, Giger U. Frequencies of blood type A, B and AB in non-pedigree domestic cats in Turkey. J Small Anim Pract 2007; 47:10-3. [PMID: 16417604 DOI: 10.1111/j.1748-5827.2006.00005.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVES To determine the distribution of blood types and to estimate the proportion of matings at risk for neonatal isoerythrolysis in non-pedigree domestic cats. METHODS The present survey determined the frequency of blood types in 301 cats from four distinct regions of Turkey. Ethylenediaminetetraacetic acid-anticoagulated blood samples were typed by simple tube and slide agglutination assays. Serum obtained from type B cats and an anti-B solution, prepared with Triticum vulgaris, were used to determine type A and type B blood, respectively. RESULTS Of the 301 cats typed, 220 had type A blood, 74 had type B and seven had type AB. There was a significant difference (P<0.01) between the locations of the cats, with fewer type B cats in the eastern than in the western parts of Turkey. Risk for the development of neonatal isoerythrolysis due to A-B mismatch was estimated to be 18.6 per cent. CLINICAL SIGNIFICANCE The overall type B frequency in Turkish domestic cats is high. Thus, untyped transfusions in these cats carry a high risk of life-threatening acute haemolytic transfusion reactions and neonatal isoerythrolysis. It is therefore strongly recommended that blood typing be performed before breeding or transfusing in order to minimise blood type incompatibility risks.
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Affiliation(s)
- S Arikan
- Department of Physiology, Faculty of Veterinary Medicine, Kirikkale University, Kirikkale, Turkey
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Stieger K, Palos H, Giger U. Comparison of various blood-typing methods for the feline AB blood group system. Am J Vet Res 2005; 66:1393-9. [PMID: 16173483 DOI: 10.2460/ajvr.2005.66.1393] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To compare feline blood-typing results determined by use of the card (CARD), gel (GEL), tube (TUBE), University of Pennsylvania (Penn) tube, and Penn slide tests. SAMPLE POPULATION Blood samples from 38 healthy cats. PROCEDURES Blood samples, anticoagulated with EDTA, were screened by use of each blood-typing method according to manufacturers' protocols. RESULTS On the basis of the standard Penn tube and slide test results, 20, 11, and 7 cats were classified as type A positive, type B positive, and type AB positive, respectively. The same results were obtained with the anti-B and anti-B reagents of the TUBE test. Use of anti-A antibodies of original polyclonal and current monoclonal CARD tests resulted in mostly 2+ to 3+ (scale, 0 to 4+) agglutination reactions with blood samples from type A-positive cats; agglutination reactions with blood samples from type AB-positive cats were weak (1+). The anti-B lectin of the CARD test induced a 2+ to 4+ reaction with blood from all type B- and type AB-positive cats. Use of the GEL test allowed recognition of type A and type B blood samples; following addition of anti-A serum to control columns, type B blood was differentiated from type AB blood. CONCLUSIONS AND CLINICAL RELEVANCE Use of the in-practice CARD test allows identification of type A- and type B-positive cats, but weak reactions of type AB blood with the anti-A monoclonal antibody raise concerns. The modified GEL and TUBE tests appear to be reliable clinical laboratory methods for feline blood typing.
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Affiliation(s)
- Knut Stieger
- Section of Medical Genetics, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Gurkan M, Arikan S, Ozaytekin E, Dodurka T. Titres of alloantibodies against A and B blood types in non-pedigree domestic cats in Turkey: assessing the transfusion reaction risk. J Feline Med Surg 2005; 7:301-5. [PMID: 15914059 PMCID: PMC10822357 DOI: 10.1016/j.jfms.2005.03.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2005] [Accepted: 02/05/2005] [Indexed: 11/28/2022]
Abstract
The severity of a transfusion reaction depends on alloantibody titres within the recipients' blood. Determination of an agglutination titre of naturally occurring alloantibody may help to assess the risk of transfusion reactions following an unmatched transfusion in a cat population. In this group of 312 cats 227 had blood type A, 78 had blood type B, and seven had type AB blood. All type B cats tested showed gross evidence of agglutinating anti-A antibody with plasma titres ranging from 2 to 256. Among the 227 type A domestic cats tested for plasma anti-B alloantibody titres, 70% had gross agglutination with titres ranging from 2 to 16, while 17.6% had microscopic agglutination. The remaining 12.4% of the type A cats were negative for both gross and microscopic agglutination. Based on agglutinating titres, the relative risk of a transfusion reaction when type A or AB blood was given to a type B cat was 6.4% with acute severe reaction, acute mild reactions in 85.9% and premature red cell destruction in 7.7%. On the other hand, transfusion of type AB blood or type B blood to type A cats carries a potential risk of acute mild transfusion reaction in 4.4% and premature red cell destruction in 83.3%. Transfusion of type A or B blood to type AB cats results in no apparent clinical transfusion reactions.
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Affiliation(s)
- Mehmet Gurkan
- Department of Surgery, Faculty of Veterinary Medicine, Kirikkale University, Kirikkale, Turkey.
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Malik R, Griffin DL, White JD, Rozmanec M, Tisdall PLC, Foster SF, Bell K, Nicholas FW. The prevalence of feline A/B blood types in the Sydney region. Aust Vet J 2005; 83:38-44. [PMID: 15971816 DOI: 10.1111/j.1751-0813.2005.tb12190.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To determine the distribution of A/B blood types in pedigree and crossbred cats in the Sydney region, and to estimate the associated risk of administering incompatible blood in an unmatched random transfusion. DESIGN A prospective/retrospective study of blood specimens collected from both sick and healthy cats. MATERIALS AND METHODS Blood was collected from 355 cats from the Sydney region over a 12-year period from 1992 to 2003. Specimens were obtained from 187 domestic crossbred cats (short and long-haired) and 168 pedigree cats. The blood type of each cat was determined by one of three different laboratories using standard methods that varied over the duration of the survey. RESULTS The distributions of blood types obtained by the three laboratories were not significantly different. The prevalence of type-A, type-B and type-AB blood types in crossbred cats was 62%, 36% and 1.6%, respectively. This is the highest percentage of type-B cats so far reported for an outbred population of domestic cats, and is significantly higher than the 26% reported previously for cats in the Brisbane region. The calculated frequency for the type-B allele assuming Hardy-Weinberg equilibrium for this feline population is 0.60; the corresponding frequency of the type-A allele is thus approximately 0.40. The calculated proportion of random transfusions from this population giving rise to an incompatible blood transfusion is 46%, with half of these being life-threatening events. The calculated proportion of random matings from this population at risk for developing neonatal isoerythrolysis is 23%. The distribution of A and B blood types for pedigree cats was in general agreement with data reported previously for cats in North America and Europe, suggesting that the distribution of blood types in these purebred populations is relatively consistent throughout the world. CONCLUSIONS The prevalence of type B cats in the owned domestic and pedigree cat population is so high that blood typing or cross matching prior to transfusion should be mandatory, except in Siamese/Oriental cats.
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Affiliation(s)
- R Malik
- Post Graduate Foundation in Veterinary Science, Conference Centre, Building B22, The University of Sydney, New South Wales
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Arikan S, Duru SY, Gurkan M, Agaoglu ZT, Giger U. Blood type A and B frequencies in Turkish Van and Angora cats in Turkey. JOURNAL OF VETERINARY MEDICINE. A, PHYSIOLOGY, PATHOLOGY, CLINICAL MEDICINE 2003; 50:303-6. [PMID: 12887623 DOI: 10.1046/j.1439-0442.2003.00536.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Blood typing of domestic cats has been performed in domestic and purebred cats in various parts of the world and is important in clinical practice in order to prevent neonatal isoerythrolysis (NI) and acute haemolytic transfusion reactions. Prevalence of blood types vary greatly between breeds of cats. Turkish Van and Angora cats are different breeds that originated in geographically distinct regions of Turkey. The present survey determined the frequency of blood types in these Turkish pedigreed cats in Turkey. Ethylenediaminetetraacetic-acid anti-coagulated blood of a total of 113 Turkish Van and Angora cats were examined for blood typing using a slide and tube agglutination assay. Of the 85 Van cats surveyed, 40% had type A, and 60% had type B blood. Of the 28 Turkish Angora cats, 53.6% had type A, and 46.4% had type B blood. No type AB cats were found between both breeds. There was no significant association between blood types and gender of both Angora and Van cats or eye colours of Van cats (P > 0.05). Although these are limited surveys, the overall prevalence of type B cats in these two breeds was very high compared with the results of previous studies worldwide. It appears likely that blood type incompatibilities responsible for feline NI and transfusion reactions are occurring in these breeds. The risk of transfusion incompatibility in Turkish Angora and Van cats was 46.4 and 60%, respectively. It is therefore strongly recommended to breeders and clinicians that blood typing be performed prior to breeding and transfusing cats.
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Affiliation(s)
- S Arikan
- Department of Physiology, Faculty of Veterinary Medicine, Kirikkale University, Kirikkale, Turkey.
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