{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T22:55:10Z","timestamp":1772232910726,"version":"3.50.1"},"reference-count":31,"publisher":"FapUNIFESP (SciELO)","issue":"4","license":[{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Braz. J. Nephrol."],"abstract":"<jats:p>Resumo  Introdu\u00e7\u00e3o: Acredita-se que a obesidade desempenhe um papel na desregula\u00e7\u00e3o da ritmicidade card\u00edaca em crian\u00e7as obesas, mas esse \u00e9 um campo de investiga\u00e7\u00e3o ainda pouco explorado. O objetivo deste trabalho foi avaliar o impacto do sobrepeso e da obesidade na ritmicidade cardiovascular circadiana e ultradiana de crian\u00e7as pr\u00e9-p\u00faberes, em compara\u00e7\u00e3o com crian\u00e7as com peso normal.  M\u00e9todos: Realizamos um estudo transversal com 316 crian\u00e7as, acompanhadas na coorte de nascimentos Gera\u00e7\u00e3o XXI (Portugal). Foram medidos dados antropom\u00e9tricos e a press\u00e3o arterial ambulatorial de 24 horas, e os perfis foram examinados com uma an\u00e1lise de Fourier para ritmos circadianos e ultradianos de press\u00e3o arterial (PA) e frequ\u00eancia card\u00edaca (FC).  Resultados: Crian\u00e7as com sobrepeso\/obesidade apresentaram mais frequentemente um padr\u00e3o de PA n\u00e3o-dipper em compara\u00e7\u00e3o com crian\u00e7as com peso normal (31,5% vs. 21,6%; p = 0,047). A preval\u00eancia da press\u00e3o arterial m\u00e9dia (PAM) de 24 horas e da ritmicidade da FC de 8 horas foi significativamente menor em crian\u00e7as obesas (79,3% vs. 88,0%; p = 0,038 e 33,3% vs. 45,2%; p = 0,031, respectivamente). A preval\u00eancia das restantes ritmicidades da PAM e da FC foi semelhante em ambos os grupos. N\u00e3o foram encontradas diferen\u00e7as nos valores medianos das amplitudes e acrofases dos ritmos de PAM e FC. Discuss\u00e3o: As altera\u00e7\u00f5es encontradas na ritmicidade sugerem que a an\u00e1lise da ritmicidade circadiana e ultradiana pode ser sens\u00edvel na detec\u00e7\u00e3o de desregula\u00e7\u00f5es cardiovasculares precoces, mas s\u00e3o necess\u00e1rios novos estudos para refor\u00e7ar nossos achados e entender melhor suas implica\u00e7\u00f5es a longo prazo.<\/jats:p>","DOI":"10.1590\/2175-8239-jbn-2022-0138pt","type":"journal-article","created":{"date-parts":[[2023,7,31]],"date-time":"2023-07-31T08:18:44Z","timestamp":1690791524000},"page":"449-457","source":"Crossref","is-referenced-by-count":0,"title":["Ritmicidade cardiovascular em crian\u00e7as com sobrepeso e obesidade"],"prefix":"10.1590","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6728-4149","authenticated-orcid":false,"given":"Catarina","family":"Pinto-Silva","sequence":"first","affiliation":[{"name":"Centro Hospitalar Universit\u00e1rio de Coimbra,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3197-5842","authenticated-orcid":false,"given":"Ana","family":"Correia-Costa","sequence":"additional","affiliation":[{"name":"Universidade do Porto,  Portugal; Centro Hospitalar e Universit\u00e1rio de S\u00e3o Jo\u00e3o,  Portugal"}]},{"given":"Cl\u00e1udia","family":"Moura","sequence":"additional","affiliation":[{"name":"Universidade do Porto,  Portugal; Centro Hospitalar e Universit\u00e1rio de S\u00e3o Jo\u00e3o,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-7888-2351","authenticated-orcid":false,"given":"Cl\u00e1udia","family":"Mota","sequence":"additional","affiliation":[{"name":"Universidade do Porto,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7951-3911","authenticated-orcid":false,"given":"Ant\u00f3nio","family":"Guerra","sequence":"additional","affiliation":[{"name":"Centro Hospitalar e Universit\u00e1rio de S\u00e3o Jo\u00e3o,  Portugal; Centro Hospitalar Universit\u00e1rio de S\u00e3o Jo\u00e3o,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9833-2518","authenticated-orcid":false,"given":"Jos\u00e9 Carlos","family":"Areias","sequence":"additional","affiliation":[{"name":"Universidade do Porto,  Portugal; Centro Hospitalar e Universit\u00e1rio de S\u00e3o Jo\u00e3o,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7564-9937","authenticated-orcid":false,"given":"Franz","family":"Schaefer","sequence":"additional","affiliation":[{"name":"Universidade de Heidelberg,  Alemanha"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2574-4132","authenticated-orcid":false,"given":"Alberto Caldas","family":"Afonso","sequence":"additional","affiliation":[{"name":"Centro Hospitalar Universit\u00e1rio de Santo Ant\u00f3nio,  Portugal; Universidade do Porto,  Portugal; Universidade do Porto,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1205-2620","authenticated-orcid":false,"given":"Elke","family":"W\u00fchl","sequence":"additional","affiliation":[{"name":"Universidade de Heidelberg,  Alemanha"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7368-9609","authenticated-orcid":false,"given":"Ana","family":"Azevedo","sequence":"additional","affiliation":[{"name":"Universidade do Porto,  Portugal; Universidade do Porto, Faculdade de Medicina,  Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8216-090X","authenticated-orcid":false,"given":"Liane","family":"Correia-Costa","sequence":"additional","affiliation":[{"name":"Centro Hospitalar Universit\u00e1rio de Santo Ant\u00f3nio,  Portugal; 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