Décourt brothers
Luiz Venere Décourt, clinician (Campinas, São Paulo State 07 December 1911 – São Paulo 20 May 2007) Published 324 papers With R.G, Ferri, M. Papaleo Neto, S.D. Giannini, G. Spilborghs & T. Tutiya. Serological tests in diagnosis of rheumatic activity. I. Determination of mucoprotein. Arq. Bras. Cardiol. 8(4):361-78, 1955 With R.G. Ferri, T.J.B. Cardoso & T. Tutiya. Isolamento e eletroforese da mucoproteína do soro humano. Rev. Hosp. Clin. 10:389-94, 1955 Elaborated a methodology to recognize the most acute moment of rheumatic fever With J.L. Faria. J.V. Barbas, T. Fujioka, M.F. Lion & U. Andrade e Silva. Pulmonary schistosomotic arteriovenous fistulas producing a new cyanotic syndrome in Manson’schistosomiasis. Amer. Heart J. 58:556-67, 1959 Developed revascularization technique of right coronary for acute infarction of myocardium With E.J. Zerbini & R. Macruz. Cirurgia de revascularização no enfarte agudo do miocárdio. Arq. Bras. Cardiol. 23:353-68, 1970 With T. Fujioka, R. Macruz 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 experimental demonstration of coronarian flow phenomenological derivation With O.M. Gomes, N.L.T.B. Moraes, A.I. Fiorelli, E. Armelin, D. Bittencourt, F. Pileggi, R. Macruz & E.J. Zerbini. Fenomeno de derivação do fluxo coronário: primeira demonstração experimental. Arq. Bras. Cardiol. 32:141, 1979. Co-authored the biggest series of researches about myocardial muscle bridges and found two types of them (superficial and deep) With A.G. Ferreira Jr., S. Trotter, B. König Jr, K. Fox & E.G. Olsen. Myocardial bridges: morphological and functional aspects. Brit. J. Heart 66:364-7, 1991 His brother, Luciano Venere Décourt, Brazilian endocrinologist (Campinas, São Paulo State 1914 – São Paulo 1975) Authored 86 works Described that phenotypic signs of Turner syndrome were due to absence of nuclear chromatine (1954) With W.S. Sasso, E. Chiorboli, M.C. Lima and J.M. Fernandes. Sobre o sexo genético na síndrome de Turner. Rev. Assoc. Med. Bras. 1(2):203-6, 1954.
Ducci family
José Ducci Kallens, Chilean physician and inventor (Santiago 20 May 1884 – Santiago 31 October 1931) From Italian father INVENTED/DEVELOPED Electrocardiographs Devices for measuring arterial and ocular pressures A radiological system to view organs in volume and depth A new technique for stomach radiography Primitive models of enteroscopic radioscopy and planography New radiological methods Regulator for victrolas (patented) His son, Hector Ducci Claro, Chilean internist (15 August 1915 – 24 July 1959) Authored 105 papers Proposed a practical clinical classification of jaundice With Cecil J. Watson devised a method to measure conjugated bilirubin in serum (bilirrubine reacting direct or Ducci-Watson test) 1945 Developed several laboratory techniques mainly liver function tests Proposed the use of high doses of cortisone in fulminant hepatic failure due to viral hepatitis that standed worldwide for at least two decades as the life-saving alternative (1951) Standardized and adapted the thymol test of MacLagan to the photoelectric colorimeters (1946-7) With R. Katz. A simple method for the preparation of labile factor deficient plasma. Thromb. Diath. Haemor. 1(3-4):413-7 1957 With E. Taucher. Clinical experience with iodopanoic acid – a new contrast medium for cholecystography. Rev. Med. Chile 82(10):568-76, 1954 EPONYMY Ducci colloidal red test (1947) Ducci-Toriello technique (1951) Ducci-Mayel reaction See Rev. Med. Chile 127 (9):1150-2, 1999
Domingos Define
Francisco Domingos Define, cirurgião ortopédico brasileiro (São Paulo 30 December 1895 – São Paulo 21 July 1985) Methods / Techniques Novo processo para estabilizar a articulação tíbio-tarsica no pé paralítico (A technique for the stabilization of the ankle joint in the paralytic foot). Anais 4th Congr. Bras. Ortop. Traumatol. P. 277-97, 1940 Novo modelo de mesa destinada ao tratamento das fraturas da coluna vertebral (A table for the treatment of spinal fractures). Anais 4th Congr. Bras. Ortop. Traumatol. P. 189-90 (1940) Novo aparelho para correção de contraturas em flexão do joelho. Arq. Bras. Cir. Ortop. 7(1):5-21, 1939 A aplicação em cirurgia ortopédica do poder osteogênico do periósteo na infância. Rev. Bras. Ortop. 1:42-52, 1966
Dias family
Ezequiel Caetano de Campos Dias (Macaé, Rio de Janeiro State 11 May 1880 – Belo Horizonte 22 October 1922) Brother in Law of sanitarist Oswaldo Gonçalves Cruz Performed studies on microbiology and experimental medicine Described a stable antigen for complement-fixation reaction in leishmaniasis diagnosis With A.M. da Cunha. Sur la préparation d’un antigene stable pour la réaction de fixation du complement dans le leishmanioses. C.R. Soc. Biol. 129:991-3, 1938. With A.M. Cunha proposed a serological reaction for visceral and /or cutaneous leishmaniasis in Brasil Medico 53:89-92, 1939 Described endemic adenomycosis, the ganglionar form of paracoccidioidomycosis Adenomicose endêmica, nova moléstia humana. Rev. Med. São Paulo 17:103, 1914 Honored in genus Diasiella Travassos 1949 (Trematoda) His son Emmanuel Dias, Brazilian physician and parasitologist (Rio de Janeiro 27 July 1908 – Uberlândia, Minas Gerais State 22 October 1962) Protégé of physician Carlos Chagas Authored at least 154 works Demonstrated definitely life cycle and mode of transmission of Trypanosoma cruzi (1933) Described life cycle of Trypanosoma cruzi in Triatoma infestans and in vertebrate hosts Estudos sobre o Schizotrypanum cruzi. Mem. Inst. Oswaldo Cruz (1934) Described new vertebrate hosts Individualized chronic Chagasic cardiopathy With F. Laranja & G. Nóbrega. Clínica e terapêutica da doença de Chagas. Mem. Inst. Oswaldo Cruz 4:473-529, 1948 With F.S. Laranja, G. Nóbrega & A. Miranda. Chagas disease. A clinical, epidemiological and pathologic study. Circulation 14:1035, 1956 Established technical basis for Chagas disease prophylaxis employing residual action insecticides independent of Romaña and Abalos (i.e. Gammexane or BHC in 1947) With J. Pellegrino. Alguns ensaios com o “Gammexane” no combate aos transmissores da doença de Chagas no Brasil. Brasil Médico 62:185-91, 1948. Perfected the xenodiagnosis technique and the culture of Triatominae in laboratory Técnica do xenodiagnóstico na moléstia de Chagas First to propose the Chagas disease transmission by blood transfusion Verified Trypanosoma cruzi transmission by digestive route in animals First to apply the model of epidemiologic surveillance for Chagas disease control With L. Freitas Filho. Introdução ao estudo biométrico dos hemoflagelados do gênero Schizotrypanum. I. Introdução, material e técnica, problemas e métodos estatísticos. Mem. Inst. Oswaldo Cruz 38(3):427-36, 1943
Deslandes brothers
Josué Augusto Deslandes, Brazilian plant pathologist (Belo Horizonte 08 August 1902 – Lavras, Minas Gerais State 10 December 1988) Described many pathogens of plant bacterial diseases Described a new disease, chlorotic leaf spot First description of Fusarium oxysporum f.sp. ricini With S.C. Arruda. A murcha da mamoneira do Nordeste. O Biológico 6:144-8, 1940 First to report target leaf spot in Hevea spp. Observações fitopatologicas na Amazônia. Bol. Fitossanitário 1:197-244, 1944 Described the symptomatology of Sete Voltas disease Doenças da cebola. Publ. 19, Div. Defesa Sanitária Vegetal (1944) His brother, Isaías Augusto Deslandes, plant pathologist (Belo Horizonte 15 March 1905 – Juiz de Fora, Minas Gerais State 27 February 1955) Found an effective method of combating the leaf disease of quince orchards (Entomosporium maculatum) in 1940 Developed methods for controlling quince entomosporiosis
Daniel Jacob du Plessis
Daniel Jacob du Plessis, South African surgeon (Paarl, Western Cape Province 17 May 1918 – 12 September 1999) Pioneered work on the aetiology of peptic ulceration Showed the contribution of the bile reflux to the genesis of gastric ulceration Pathogenesis of gastric ulceration. Lancet 1:974-8, 1965 His books Principles of surgery: a new approach (1968) and A synopsis of surgical anatomy (1975) were used internationally