EMILIA APARECIDA VALINETTI

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  • article 10 Citação(ões) na Scopus
    The role of interleukin-6, endothelins, and apoptotic genes in small bowel transplantation, in a swine model of ischemia and reperfusion injury
    (2011) PINHO-APEZZATO, Maria Lucia de; MAKSOUD-FILHO, Joao Gilberto; VALINETTI, Emilia Aparecida; SANTOS, Maria Merces; TANNURI, Ana Cristina Aoun; MELLO, Evandro Sobroza; SILVA, Luiz Fernando; COELHO, Maria Cecilia de Mendonca; GIBELLI, Nelson Elias Mendes; ROCHA, Rafael Malagoli; NONOGAKI, Suely; GUIMARAES, Raimundo Renato Nunes; TANNURI, Uenis
    IRI is closely related to sepsis in ITx setting. Complete understanding of the mechanisms involved in IRI development may improve outcomes. Ortothopic ITx without immunosuppression was performed in order to characterize IRI-associated mucosal damage. Twenty pigs underwent ITx. Two groups were assigned to different CI times: G1: 90 min and, G2: 180 min. Euro-Collins was used as preservation solution. Jejunal fragments were collected at donor laparotomy, 30 min, and 3 days after reperfusion. IRI assessment involved: histopathologic analysis, quantification of MPO-positive cells through immunohistochemical studies, quantification of epithelial apoptotic cells using TUNEL staining, and quantification of IL-6, ET-1, Bak, and Bcl-XL genes expression by RT-PCR. Neutrophilic infiltration increased in a similar fashion in both groups, but lasted longer in G2. Apoptosis detected by TUNEL staining increased and anti-apoptotic gene Bcl-XL expression decreased significantly in G1, 3 days after surgery. Endothelin-1 and IL-6 genes expression increased 30 min after the procedure and returned to baseline 3 days after surgery. In conclusion, IL-6 and ET-1 are involved precociously in the development of intestinal IRI. Apoptosis was more frequently detected in G1 grafts by TUNEL-staining and by RT-PCR.
  • article 57 Citação(ões) na Scopus
    Role of Endoscopic Third Ventriculostomy and Ventriculoperitoneal Shunt in Idiopathic Normal Pressure Hydrocephalus: Preliminary Results of a Randomized Clinical Trial
    (2013) PINTO, Fernando Campos Gomes; SAAD, Felippe; OLIVEIRA, Matheus Fernandes de; PEREIRA, Renan Muralho; MIRANDA, Fernanda Letkaske de; TORNAI, Juliana Benevenuto; LOPES, Maria Izabel Romao; RIBAS, Eduardo Santamaria Carvalhal; VALINETTI, Emilia Aparecida; TEIXEIRA, Manoel Jacobsen
    BACKGROUND: Currently, the most common treatment for idiopathic normal pressure hydrocephalus (INPH) is a ventriculoperitoneal shunt (VPS), generally with programmable valve implantation. Endoscopic third ventriculostomy (ETV) is another treatment option, and it does not require prosthesis implantation. OBJECTIVE: To compare the functional neurological outcome in patients after 12 months of treatment with INPH by using 2 different techniques: ETV or VPS. METHODS: Randomized, parallel, open-label trial involving the study of 42 patients with INPH and a positive response to the tap test, from January 2009 to January 2012. ETV was performed with a rigid endoscope with a 30 degrees lens (Minop, Aesculap), and VPS was performed with a fixed-pressure valve (PS Medical, Medtronic). The outcome was assessed 12 months after surgery. The neurological function outcomes were based on the results of 6 clinical scales: mini-mental, Berg balance, dynamic gait index, functional independence measure, timed up and go, and normal pressure hydrocephalus. RESULTS: There was a statistically significant difference between the 2 groups after 12 months of follow-ups, and the VPS group showed better improvement results (ETV = 50%, VPS = 76.9%). CONCLUSION: Compared with ETV, VPS is a superior method because it had better functional neurological outcomes 12 months after surgery.