IJCS | Volume 31, Nº4, July / August 2018

376 Jesus et al. The wait for surgical treatment of heart disease Int J Cardiovasc Sci. 2018;31(4)374-382 Original Article Table 1 - Patients enrolled for elective pediatric cardiac procedures Characteristic n total (%) Gender Male 183 (44.94) Female 224 (55.06) Age group, years < 1 45 (11.06) 1-2 66 (16.22) > 2-6 142 (34.89) > 6-12 133 (32.68) > 12 21 (5.16) Waiting time < 1 month 0 1-6 months 80 (19.66) 7 months-1 year 50 (12.29) > 1-3 years 197 (48.4) > 3-5 years 57 (14) > 5 years 23 (5.65) Pará Mesoregion* Belém Metropolitan Area: Ananindeua, Barcarena, Castanhal, Santa Izabel do Pará, Belém, Santo Antonio do Tauá, Benevides and Marituba 149 (36.60) Northeast of Pará: Abaetetuba, Santa Luzia do Pará, Acará, Irituia, Santa Maria do Pará, Augusto Corrêa, Aurora do Pará, Mãe do Rio, São Caetano de Odivelas, Baião, São Domingos do Capim, Maracanã, Bragança, Marapanim, Mocajuba, São João de Pirabas, Cametá, Moju, São Miguel do Guamá, Capanema, Nova Esperança do Piriá, Tailândia, Capitão Poço, Colares, Oeiras do Pará, Tomé-Açu, Ourém, Tracuateua, Curuçá, Peixe-Boi, Primavera, Viseu, Igarapé-Açu, Igarapé-Miri and Salinópolis 111 (27.27) Southeast of Pará: Rio Maria, Itupiranga, Rondon do Pará, Jacundá, Bom Jesus do Tocantins, Marabá, Santana do Araguaia, Nova Ipixuna, Breu Branco, Novo Repartimento, São Félix do Xingu, Canaã dos Carajás, Conceição do Araguaia, Paragominas, Curionópolis, Parauapebas, Tucumã, Dom Eliseu, Pau D'arco, Tucuruí, Eldorado do Carajás, Ulianópolis, Redenção and Xinguara 72 (17.69) Lower Amazon: Alenquer, Juruti, Almeirim, Monte Alegre, Prainha, Óbidos, Santarém, Curuá, Oriximiná and Placas 33 (8.10) Marajó: Curralinho, Salvaterra, Anajás, Gurupá, Melgaço Breves, Soure, Cachoeira do Arari, Ponta de Pedras, Chaves and Portel 22 (5.40) Southwest of Pará: Altamira, Medicilândia, Pacajá, Itaituba and Rurópolis 19 (4.66) * For all characteristics, n = 407, for mesoregions, n = 406; † except for one patient from Santana (AP). Of the total of 662 therapeutic cardiac procedures performed between 2012 and October 2014, 86.1% corresponded to cardiac surgeries and only 13.8% to percutaneous interventions. This proportion remained stable over the years (Table 6). Discussion In Brazil, it is estimated that the average need for cardiovascular surgery in congenital cases is approximately 23,000 procedures/year, considering in