Coagulation; hemophilia; thrombosis

MD: Johns Hopkins Medical School, Baltimore, MD, 1967.

Residency: Children's Hospital Medical Center, Cincinnati, Ohio; Johns Hopkins School of Medicine, Baltimore, MD, 1970.

Fellowship: Children's Hospital Medical Center, Cincinnati, OH, 1974.

Certification: Pediatrics, 1975; Pediatric Hematology/Oncology, 1976.

Gruppo RA. Treatment of hemophilia in developing countries: a journey of a thousand miles. Pediatr Blood Cancer. 2010 Mar;54(3):348-9. No abstract available

Gelfand MJ, Gruppo RA, Nasser MP. Ventilation-perfusion scintigraphy in children and adolescents is associated with a low rate of indeterminate studies. Clin Nucl Med. 2008 Sep;33(9):606-9.

Wu SW, Graham B, Gelfand MJ, Gruppo RE, Dinopolous A, Gilbert DL. Clinical and positron emission tomography findings of chorea associated with primary antiphospholipid antibody syndrome. Mov Disord. 2007 Sep 15;22(12):1813-5.

Balasa VV, Gruppo RA, Glueck CJ, Wang P, Roy DR, Wall EJ, Mehlman CT, Crawford AH. Legg-Calve-Perthes disease and thrombophilia. J Bone Joint Surg Am. 2004 Dec;86-A(12):2642-7.

Gruppo RA, Brown D, Wilkes MM, Navickis RJ. Increased breakthrough bleeding during prophylaxis with B-domain deleted factor VIII--a robust meta-analytic finding. Haemophilia. 2004 Sep;10(5):449-51.

Morrison JA, Gruppo R, Glueck CJ, Stroop D, Fontaine RN, Wang P, Smith KL. Population-specific alleles: the polymorphism (K121Q) of the human glycoprotein PC-1 gene is strongly associated with race but not with insulin resistance in black and white children. Metabolism. 2004 Apr;53(4):465-8.

Gruppo RA, Brown D, Wilkes MM, Navickis RJ. Comparative effectiveness of full-length and B-domain deleted factor VIII for prophylaxis--a meta-analysis. Haemophilia. 2003 May;9(3):251-60. Review.

Balasa VV, Kalinyak KA, Bean JA, Stroop D, Gruppo RA. Hyperhomocysteinemia is associated with low plasma pyridoxine levels in children with sickle cell disease. J Pediatr Hematol Oncol. 2002 Jun-Jul;24(5):374-9.

McNamara JL, Lombardi JP, Ferguson R, Manning PB, Gruppo RA. Alternative methods for anticoagulation monitoring in pediatric patients with applicability to a patient with severe hemophilia A and circulating inhibitor. J Extra Corpor Technol. 2001 Dec;33(4):239-42.

Gruppo R, Degrauw A, Fogelson H, Glauser T, Balasa V, Gartside P. Protein C deficiency related to valproic acid therapy: a possible association with childhood stroke. J Pediatr. 2000 Nov;137(5):714-8.