Research Topics
| Karen E KingSummaryAffiliation: Johns Hopkins University Country: USA Publications
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Detail Information
Publications
Streamlining ABO antibody titrations for monitoring ABO-incompatible kidney transplantsR Sue Shirey
Department of Surgery, Johns Hopkins Hospital, Baltimore, Maryland 21287 6667, USA
Transfusion 50:631-4. 2010..Therefore, we assessed AHG titers by two methods: 1) a revised test tube (TT) method without RT and 2) an anti-immunoglobulin G (IgG) gel microcolumn (IgG gel) method with a goal of streamlining ABO antibody titrations...
Universal leukoreduction decreases the incidence of febrile nonhemolytic transfusion reactions to RBCsKaren E King
Department of Pathology, Johns Hopkins Hospital, Baltimore, MD 21287 6667, USA
Transfusion 44:25-9. 2004..A retrospective analysis is reported here of FNHTRs in RBC recipients as the inventory increased in percentage of leukoreduced RBC units...
The critical role of plasmapheresis in ABO-incompatible renal transplantationAaron A R Tobian
Department of Pathology, Transfusion Medicine Division, The Johns Hopkins Hospital, Baltimore, Maryland 21287, USA
Transfusion 48:2453-60. 2008..This article reviews the literature to provide a historical perspective of TPE for ABO-I kidney transplantation and also provides the Johns Hopkins Hospital protocol with a focus on both titers and TPE...
Desensitization in HLA-incompatible kidney recipients and survivalRobert A Montgomery
Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD, USA
N Engl J Med 365:318-26. 2011..Whether such antibody depletion results in a survival benefit as compared with waiting for an HLA-compatible kidney is unknown...
C4d deposition without rejection correlates with reduced early scarring in ABO-incompatible renal allograftsMark Haas
Department of Pathology, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Pathology 712, Baltimore, MD 21287, USA
J Am Soc Nephrol 20:197-204. 2009....
Allergic transfusion reactions to platelets are associated more with recipient and donor factors than with product attributesWilliam J Savage
Department of Pathology, Division of Transfusion Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
Transfusion 51:1716-22. 2011..Mechanisms of allergic transfusion reactions (ATRs) are not well understood. The aim of this study was to distinguish recipient-, donor-, and product-specific factors associated with ATRs...
Prevention of allergic transfusion reactions to platelets and red blood cells through plasma reductionAaron A R Tobian
Department of Pathology, Johns Hopkins University, Baltimore, MD 21287, USA
Transfusion 51:1676-83. 2011..This study evaluated whether removing plasma from apheresis platelets (APs) or red blood cells (RBCs) by concentrating or washing transfusion products can decrease the incidence of ATRs...
Plasmapheresis, CMV hyperimmune globulin, and anti-CD20 allow ABO-incompatible renal transplantation without splenectomyChristopher J Sonnenday
Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Am J Transplant 4:1315-22. 2004..The use of rituximab, allowing avoidance of splenectomy, may further remove one of the significant disincentives to ABOi transplantation, and eliminate the risk of post-splenectomy infections...
The impact of apheresis platelet manipulation on corrected count incrementMatthew Karafin
Department of Pathology, Johns Hopkins University, Baltimore, Maryland 21287, USA
Transfusion 52:1221-7. 2012..However, these processes may damage platelets (PLTs). This study evaluated whether concentrating or washing APs decrease the corrected count increment (CCI)...
ABO incompatible high-titer renal transplantation without splenectomy or anti-CD20 treatmentDorry L Segev
Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Am J Transplant 5:2570-5. 2005....
Transfusion premedications: a growing practice not based on evidenceAaron A R Tobian
Department of Pathology, Transfusion Medicine Division, The Johns Hopkins Hospital, Baltimore, Maryland 21287, USA
Transfusion 47:1089-96. 2007
A comprehensive program to minimize platelet outdatingAlice K Fuller
Department of Pathology, HATS Division, Johns Hopkins Medical Institutions, Baltimore, Maryland 21205, USA
Transfusion 51:1469-76. 2011..It is imperative to have a sufficient number of products for patients requiring transfusion, but outdating PLTs is a financial burden and a waste of a resource...
Bacterial culture reduces but does not eliminate the risk of septic transfusion reactions to single-donor plateletsAlice K Fuller
Department of Pathology, Hemapheresis and Transfusion Services Division, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
Transfusion 49:2588-93. 2009..6 per 100,000; 95% confidence interval [CI], 0.17-36.9 per 100,000) transfusions. The goal of this study was to determine if bacterial testing of SDPs reduced the rate of SPTRs in our hospital...
ABO incompatible renal transplantation: a paradigm ready for broad implementationRobert A Montgomery
Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD, USA
Transplantation 87:1246-55. 2009....
Therapeutic plasma exchange reduces ABO titers to permit ABO-incompatible renal transplantationAaron A R Tobian
Transfusion Medicine Division, Department of Pathology, Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
Transfusion 49:1248-54. 2009..Therapeutic plasma exchange (TPE) is performed to permit ABO-incompatible (ABO-I) kidney transplants, but little is known about how well TPE reduces ABO antibodies or complications related to TPE in this clinical setting...
Reduction in potassium concentration of stored red blood cell units using a resin filterChisa Yamada
Transfusion Medicine Division, Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
Transfusion 50:1926-33. 2010..A potassium adsorption filter (PAF) was developed in Japan to remove K by exchanging with sodium (Na). We performed an in vitro evaluation of its efficacy and feasibility of use...
Thrombotic thrombocytopenic purpura at the Johns Hopkins Hospital from 1992 to 2008: clinical outcomes and risk factors for relapseHuichun Zhan
Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Ross Research 1032, 720 Rutland Avenue, Baltimore, MD 21205, USA
Transfusion 50:868-74. 2010..We aimed to describe the clinical spectrum of TTP, to determine the valid endpoint for plasma exchange cessation, and to explore the risk factors for disease relapse...
A case study of a child with chronic hemolytic anemia due to a Donath-Landsteiner positive, IgM anti-I autoantibodyMatthew S Karafin
Division of Transfusion Medicine, Department of Pathology, The Johns Hopkins Hospital, Baltimore, Maryland, USA
Pediatr Blood Cancer 59:953-5. 2012..The clinical course is described and a discussion of PCH and the D-L antibody is presented. We also discuss intravenous immunoglobulin infusions as a therapy for children with this form of severe chronic autoimmune hemolytic anemia...
Prevalence of HLA antibodies in transfused patients with and without red cell antibodiesOrin Buetens
Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland 21287-6667, USA
Transfusion 46:754-6. 2006..Screening for HLA antibodies may be warranted in patients with RBC alloantibodies who might require PLT transfusion support for elective surgery...
Antibody, complement and accommodation in ABO-incompatible transplantsKaren E King
Department of Pathology, Johns Hopkins Medical Institutes, 720 Rutland Avenue, Baltimore, Maryland 21205-2196, USA
Curr Opin Immunol 16:545-9. 2004....
Autologous serum eyedrops: literature review and implications for transfusion medicine specialistsChisa Yamada
Transfusion Medicine Division, Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
Transfusion 48:1245-55. 2008..Given that ophthalmologists may consult the blood bank to request ASEs, transfusion medicine physicians should be aware of the issues related to ASE preparation, storage, and potential utility...
Transfusion medicine in American undergraduate medical educationJulie K Karp
Department of Pathology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
Transfusion 51:2470-9. 2011..To our knowledge, no comprehensive study has assessed how transfusion medicine is incorporated into undergraduate medical education...
Hypersplenism induced by splenic vein ligationBrian Garibaldi
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
Am J Hematol 83:242-4. 2008..We present the case of a patient with a previously undiagnosed warm AIHA, who developed worsening hemolysis after undergoing splenic vein ligation during a pancreaticoduodenectomy to remove a neuroendocrine tumor...
International variation in volunteer whole blood donor eligibility criteriaJulie K Karp
Department of Pathology, Hemapheresis and Transfusion Support, The Johns Hopkins Hospital, Baltimore, Maryland 21205, USA
Transfusion 50:507-13. 2010..This study assesses international variation in volunteer whole blood donor eligibility criteria...
Treatment of autoimmune hemolytic anemiaKaren E King
Transfusion Medicine Devision, Johns Hopkins Medical Institutions, Baltimore, MD 21287-6667, USA
Semin Hematol 42:131-6. 2005..Hemoglobin-based oxygen carriers may provide an important bridging therapy in the future. Requests for "least incompatible" blood do not enhance transfusion safety and often result in unnecessary delays...
Apheresis platelet transfusions: does ABO matter?Jay H Herman
Transfusion 44:802-4. 2004
Successful renal transplantation across simultaneous ABO incompatible and positive crossmatch barriersDaniel S Warren
The Department of Surgery, The Johns Hopkins University School of Medicine, Balitmore, Maryland, USA
Am J Transplant 4:561-8. 2004..The ability to cross these two barriers simultaneously is clinically important as sensitized patients have often exhausted their blood type compatible living donors during previous transplants...
