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Radi Macruz

Radi Macruz, Brazilian cardiologist (São Paulo 25 July 1925 –

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.