Radi Macruz, Brazilian cardiologist (São Paulo 25 July 1925 – São Paulo 30 November 2020)

Son of Lebanese immigrants

ACHIEVEMENTS

Developed Macruz index (P/P-R segment ratio)

With J.K. Perloff & R.B. Case. A method for the electrocardiographic recognition of atrial enlargement. Circulation 17:882-9, 1958

Developed revascularization technique of right coronary for acute infarction of myocardium

With E.J. Zerbini & L.V. Decourt. Cirurgia de revascularização no enfarte agudo do miocárdio. Arq. Bras. Cardiol. 23:353-68, 1970

With D.P. Garcia, T. Fujioka & S.S. da Silva. New technique for catheterization of the ductus arteriosus. Arq. Bras. Cardiol. 24(4):71-6, 1971 

First report in the world about coronarian artery opening employing catheterization

With N. Galiano, S. Ariê, E. Armelin, C. Frack, F. Pileggi et al. Enfarte agudo do miocárdio e choque. Tratamento por recanalização arterial através do cateterismo cardíaco. Arq. Bras. Cardiol. 25:197-204, 1972  

With T. Fujioka, L.V. Decourt et al. The costobronchogenic angle – a new method for the radiologic evaluation of volumetric changes in the left atrium. Arq. Bras. Cardiol. 28(5):523-35, 1975 

First in the world to introduce laser in arterial opening (1976-7) 

First experimental demonstration of coronarian drainage

With O.M. Gomes, N.L.T.B. Moraes, A.I. Fiorelli, E. Armelin, D. Bittencourt, F. Pileggi, L.V. Decourt & E.J. Zerbini. Fenomeno de derivação do fluxo coronário: primeira demonstração experimental. Arq. Bras. Cardiol. 32:141, 1979.

With N.A. Stolf, E. Armelin, E.J. Zerbini, F. Pilegi & D. Bittencourt. Endomyocardial biopsy of the right ventricle – Technique and preliminary results. Arq. Bras. Cardiol. 32(4):221-5, 1979 

First to perform experimentally vascular anastomosis employing laser

With O. M. Gomes, E. Armelin, E.J. Zerbini et al. Anastomose arterio-venosa com laser. Arch. Bras. Cardiol. 37 (suppl 1):117, 1981 

With E. Armelin, M.P. Ribeiro & J.M.G. Brum. A special laser catheter for the use in recanalisation of experimental carotid artery lesions, without interruptions of the circulation. Annual Meeting American Society for Laser Medicine and Surgery, 1983 

With J.P. da Silva, M.M. Cascudo et al. Postinfarction ventricular septal defect: an efficacious technique for early surgical repair. J. Thorac. Cardiovasc. Surg. 97:86-9, 1989.  

Showed the presence of brain embolism in patients with chronic Chagas disease 

With I. Nussenzveig, A. Spina-França, B.L. Wajchenberg, J. Timoner & L.G. Serra Azul. Acidentes vasculares cerebrais embólicos na cardiopatia chagásica crônica. Arq. Neuropsiqu. 11:386-402, 1953

Novas relações eletrocardiográficas para o diagnóstico das sobrecargas auriculares. Rev. Hosp. Clin. 

Presented original concepts about individual normality of arterial pressure

Established a relationship between the area of ischemia and heartache in book Dor Cardíaca

Proposed an inter atrial communication for treating pulmonary hypertension in congenital cardiopathies  

His bother, Romeu Macruz, Brazilian veterinarian (Itapetininga, São Paulo State 12 April 1928 – São Paulo 08 August 2015)

Authored over 200 works

Regarded as a world reference on veterinary anatomical pathology

Had one of the world’s greatest collections of equine anatomical pathology 

Developed a method for scrutinize the brain of domestic animals

SOME BIBLIOGRAPHY

With J. G. Bersano, F.B.N. Farinha & M.A.S.C. Portugal. Hermafroditismo em suíno: relato de caso. Braz. J. Vet. Res. Anim. Science 31(3-4), 1994

Equine abortion incidence anatomy and histopathological diagnostic. Rev. Bras. Reprod. Anim. (Suppl3, pt2):91-9, 1991

With F.H. Ito, S.A. Vasconcellos, E.B. Erbolato & J.A. Cortes. Rabies virus in different segments of brain and spinal cord of naturally and experimentally infected dogs. Inter. J. Zoonoses 38:98-105, 1985

With W. Giorgi, J.M. Teruya, M.E. Genovez et al. Serological survey for equine leptospirosis and the isolation of Leptospira icterohaemorrhagiae from an aborted fetus. O Biologico 47:47-53, 1981

With E.N. Mós & O. Lenci. Actinomicose cervical em equino puro sangue inglês. Rev. Fac. Med. Vet. Zoot. U. São Paulo 15(1):97-100, 1978

With E.N. Mós, M.R. Santos & E. Porto. Geotricose em equino puro sangue. Rev. Fac. Med. Vet. Zoot. U. São Paulo 15(1):93-8, 1978

With J.A. Cortes & M.R. Nilsson. Experimental rabies in cattle. Central nervous system histopathology. Braz. J. Vet. Res. Anim. Sci. 14(1):123-7, 1977

With O. Lenci, M.M. Ishizuka, O. Miguel & R.A.F. Cunha. Toxoplasmose em equinos PSI: estudo sorológico. Rev. Fac. Vet. Zoot. U. São Paulo 12:277-81, 1975

With A. Ribeiro Netto, H. Haetinger, F. Pereira Lima & I.B. Luiz. Serum protein as a screening test for equine infectious anemia. Zbl. Veter. Med. 17B:739, 1970

With N.S. Fernandes. Toxicidade da “corona”, Mascagnia pubiflora (Juss.) Griseb. (Malpighiaceae). Arq. Inst. Biol. Animal 31:1-4, 1964

With I. Kotait, Z.M.P. Peixoto, L.H. Queiroz et al. Diagnóstico laboratorial do aborto equino a vírus através de imunofluorescência e soroneutralização. Rev. Microbiol.

With H.C. Davila. Ocorrência de infecção renal em equídeos causada por Klossiella equi (Baumann, 1946)

With W. Giorgi & M.R.S. Santos. Gastric habronemiasis in the horse. Bacteriological examination of the nodules.

With R.M. Franco. Occurrence of a case of granulomatous encephalomyelitis in a thoroughbred horse caused by nematodes.