Caroline Alquist

Caroline Raasch Alquist , MD,PHD

Associate Professor of Clinical

Interim Co-director; Chief Transplantation-Services Officer; Director of Transplantation Immunology & Therapeutic Apheresis; Hoxworth Blood Center

Professional Summary

Dr. Alquist is a triple-boarded transfusion medicine and histocompatibility pathologist, uniquely invested in the intersection of transplant services and transfusion medicine. She serves as Hoxworth Blood Center’s Chief Transplant Services Officer, medical director of their mobile and fixed site Apheresis Program, and Cincinnati’s only active ASHI-accredited HLA director for their Transplantation Immunology Division. She is actively involved in ASFA, a national association of apheresis professionals; ASHI, a national society of histocompatibility specialists; and AABB, an international transfusion medicine and cellular therapy organization.


Doctoral Degree: Louisiana State University New Orleans, LA, 2009

Medical Degree: Louisiana State University New Orleans, LA, 2011

Residency: Louisiana State University New Orleans, LA, 2015 (Anatomic and Clinical Pathology)

Fellowship: Dartmouth-Hitchcock Medical Center Lebanon, NH, 2016 (Transfusion Medicine)


American Board of Pathology (Anatomic and Clinical Pathology) (Certification Date: 07-28-2015 )

American Board of Pathology (Blood Bank-Transfusion Medicine) (Certification Date: 09-06-2016 )


Blood Banking and Transfusion Medicine

Pathology-Anatomic and Clinical

Research and Practice Interests

Positions and Work Experience

2019 -2020 Section Head of Clinical Pathology, Department of Pathology & Laboratory Medicine, Ochsner Health, New Orleans, LA

2019 -2020 Medical Co-Director, Histocompatibility & Immunogenetics (HLA) Lab, Department of Pathology & Laboratory Medicine, Ochsner Health, New Orleans, LA

2016 -2020 Transfusion Medicine Physician, Department of Pathology & Laboratory Medicine, Ochsner Health, New Orleans, LA

2017 -2019 Assistant Medical Director, Histocompatibility & Immunogenetics (HLA) Lab, Department of Pathology & Laboratory Medicine, Ochsner Health, New Orleans, LA

Research Support

Grant: #FA8650-24-2-6K14 Investigators:Alquist, Caroline; Cancelas, Jose; Goodman, Michael; Pritts, Timothy 04-11-2024 -07-10-2025 Air Force Research Laboratory Evaluation of Imlifidase to Reduce Donated Blood Antibody Titers Role:Collaborator 349944.00 Hold Level:Federal


Peer Reviewed Publications

Yin, Tiffany; Alquist, Caroline Raasch (2020. ) Hemolytic Anemia and Thrombocytopenia: How to Treat?.Clinical Chemistry, , 66 (6 ) ,763-767 More Information

Simenson, Victoria; Burton, Jeffrey; Del Toro, Alejandra; Alquist, Caroline Raasch (2020. ) Acute thrombotic thrombocytopenic purpura in Louisiana: Seasonal distribution and evaluation of an ADAMTS13 order screening protocol.Journal of Clinical Apheresis, , More Information

Vinson, Anthony D; Rampolla-Selles, Reinaldo; Cooper, E Shannon; Alquist, Caroline R (2018. ) Non-Human Leukocyte Antigen Antibody-Mediated Lung Transplant Rejection: The Other Anti-A.The Ochsner Journal, , 18 (3 ) ,260-263 More Information

Dyer, C; Alquist, C R; Cole-Sinclair, M; Curnow, E; Dunbar, N M; Estcourt, L J; Kaufman, R; Kutner, J M; McCullough, J; McQuilten, Z; Potiphar, L; Rioux-Masse, B; Slichter, S; Tinmouth, A; Webert, K; Yokoyama, A P; Stanworth, S J (2018. ) A multicentred study to validate a consensus bleeding assessment tool developed by the biomedical excellence for safer transfusion collaborative for use in patients with haematological malignancy.Vox Sanguinis, , 113 (3 ) ,251-259 More Information

Alquist, Caroline R; Szczepiorkowski, Zbigniew M; Dunbar, Nancy (2017. ) Babesia parasitemia rebound after red blood cell exchange.Journal of Clinical Apheresis, , 32 (4 ) ,276-278 More Information

Alquist, Caroline R; Szczepiorkowski, Zbigniew M (2017. ) Transfusion Service Observations: Red Blood Cell Surname-Antibody Pairings .The Ochsner Journal, , 17 (2 ) ,134-135

Thomasson, Reggie; Alquist, Caroline Raasch; Farris, K Barton; McGoey, Robin Pathology Image of the Month: Abdominal Pain and Peripheral Eosinophilia .The Journal of the Louisiana State Medical Society, , 167 (5 ) ,244-6

Thelin, Camille; Alquist, Caroline R; Engel, Lee S; Dewenter, Tracy Primary clear cell adenocarcinoma of the colon: a case report and review .The Journal of the Louisiana State Medical Society, , 166 (4 ) ,143-8

Alquist, Caroline Raasch; McGoey, Robin; Del Valle, Luis Progressive multifocal leukoencephalopathy: cavitary white matter lesions .The Journal of the Louisiana State Medical Society, , 164 (6 ) ,332, 334-5

Alquist, Caroline Raasch; McGoey, Robin; Bastian, Frank; Newman, William Bilateral globus pallidus lesions .The Journal of the Louisiana State Medical Society, , 164 (3 ) ,145-6

Erbil, Jen K; Alquist, Caroline R; Smith, David L; Wallis, J Brent; Lopez, Fred A A 35-year-old immunocompromised man with cough of three weeks duration. Pneumocystis pneumonia .The Journal of the Louisiana State Medical Society, , 164 (1 ) ,52-5

Raasch, Caroline E; Zhang, Ping; Siggins, Robert W; LaMotte, Lynn R; Nelson, Steve; Bagby, Gregory J (2010. ) Acute alcohol intoxication impairs the hematopoietic precursor cell response to pneumococcal pneumonia.Alcoholism, Clinical and Experimental Research, , 34 (12 ) ,2035-43 More Information

Zhang, Ping; Welsh, David A; Siggins, Robert W; Bagby, Gregory J; Raasch, Caroline E; Happel, Kyle I; Nelson, Steve (2009. ) Acute alcohol intoxication inhibits the lineage- c-kit+ Sca-1+ cell response to Escherichia coli bacteremia.Journal of immunology (Baltimore, Md. : 1950), , 182 (3 ) ,1568-76 More Information

Zhang, Ping; Bagby, Gregory J; Happel, Kyle I; Raasch, Caroline E; Nelson, Steve (2008. ) Alcohol abuse, immunosuppression, and pulmonary infection.Current Drug Abuse Reviews, , 1 (1 ) ,56-67 More Information

Han, Bing; Alquist, Caroline R (2021. ) Amber-colored Plasma in Therapeutic Plasma Exchange.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, , 72 (3 ) ,519-520 More Information

Prus, Kristina; Alquist, Caroline R; Cancelas, Jose A; Oh, David (2021. ) Decrease in serum antibodies to SARS-CoV-2 in convalescent plasma donors over time.Transfusion, , 61 (2 ) ,651-654 More Information

Alquist C.R. (01-01-2019. ) Clinical risk in apheresis-derived cellular therapy.Risk Management in Transfusion Medicine, , 133-140 More Information

Vinson A.D.; Rampolla-Selles R.; Cooper E.S.; Alquist C.R. (09-01-2018. ) Non-human leukocyte antigen antibody-mediated lung transplant rejection: The other anti-a.Ochsner Journal, , 18 (3 ) ,260-263 More Information

Alquist C.; Szczepiorkowski Z. (01-01-2017. ) Transfusion service observations: Red blood cell surname-antibody pairings.Ochsner Journal, , 17 (2 ) ,134-135 More Information

Alquist C.R.; Root L.; Dunbar N.; Szczepiorkowski Z.M. (06-01-2016. ) Highlighting oft-overlooked granulocyte-colony-stimulating factor kinetics.Transfusion, , 56 (6 ) ,1484-1485 More Information

Connelly-Smith, Laura; Alquist, Caroline R; Aqui, Nicole A; Hofmann, Jan C; Klingel, Reinhard; Onwuemene, Oluwatoyosi A; Patriquin, Christopher J; Pham, Huy P; Sanchez, Amber P; Schneiderman, Jennifer; Witt, Volker; Zantek, Nicole D; Dunbar, Nancy M (2023. ) Guidelines on the Use of Therapeutic Apheresis in Clinical Practice - Evidence-Based Approach from the Writing Committee of the American Society for Apheresis: The Ninth Special Issue.Journal of clinical apheresis, , 38 (2 ) ,77-278 More Information

Prus, Kristina; Weidner, Krystol; Alquist, Caroline (2022. ) Therapeutic plasma exchange in adolescent and adult patients with autoimmune neuropsychiatric disorders associated with streptococcal infections.Journal of clinical apheresis, , 37 (6 ) ,597-599 More Information

Alquist, Caroline R; Helander, Louise (2021. ) Transfusion Blood Bank (Recipient) Testing.Clinics in laboratory medicine, , 41 (4 ) ,599-610 More Information

Wadge, Gordon; Zhang, Jenny; Seal, John; Cooper, Edgar Shannon; Alquist, Caroline R (2021. ) Directed Donation: Special Considerations and Review for Contemporary Clinical Practices.The Ochsner journal, , 21 (3 ) ,281-286 More Information

Salazar, Ryan D; Weidner, Krystol R; Alquist, Caroline R (2023. ) Therapeutic plasma exchange in refractory Susac's syndrome: A brief report.Journal of clinical apheresis, , More Information

Book Chapter

Alquist CR (2018 ) Clinical Risk in Apheresis-derived Cellular Therapy Risk Management in Transfusion Medicine .Elsevier Academic Press

Alquist CR and Harm S (2020 ) Transfusion-Service-Related Activities: Pretransfusion Testing and Storage, Monitoring, Processing, Distribution, and Inventory Management of Blood Components The Technical Manual, 20th edition .AABB

Helander L and Alquist CR Modern Blood Banking Essentials of Blood Product Management in Anesthesia Practice .Springer Science and Business Media

Alquist CR and Dunbar NM History of Therapeutic Apheresis Apheresis Principles and Practice: Volume 1 - Therapeutic Apheresis, 4th edition .AABB

Contact Information

Academic - Phone: 5135581515