SERGIO LUIS GIANOTTI PIMENTEL

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Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/33 - Laboratório de Oftalmologia, Hospital das Clínicas, Faculdade de Medicina

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  • conferenceObject
    Assessment of the outflow drainage system in AMD after multiple anti-VEGF intravitreous injections
    (2018) CARRICONDO, Pedro C.; ZACHARIAS, Leandro C.; RODRIGUES, Taurino; YAGAESHI, Larissa Y.; PIMENTEL, Sergio Luis G.; ABALEM, Maria Fernanda; MORAES, C. Gustavo De; SUSANNA, Remo
  • article 8 Citação(ões) na Scopus
    Short-term effects of intravitreal bevacizumab in contrast sensitivity of patients with diabetic macular edema and optimizing glycemic control
    (2019) MOTTA, Augusto A. L.; BONANOMI, Maria Teresa B. C.; FERRAZ, Daniel A.; PRETI, Rony C.; SOPHIE, Raafay; ABALEM, Maria F.; QUEIROZ, Marcia S.; PIMENTEL, Sergio L. G.; TAKAHASHI, Walter Y.; DAMICO, Francisco M.
    Aims: To analyze contrast sensitivity of intravitreal bevacizumab injections with optimizing glycemic control versus optimizing glycemic control (in combination with sham injections) in eyes with Diabetic Macular Edema (DME). Design: Prospective, interventional, masked, randomized controlled trial. Methods: Forty-one eyes of 34 patients with type 2 diabetes mellitus and DME with glycated hemoglobin (HbA1c) < 11% received either intravitreal bevacizumab injection (Group 1) or sham injection (Group 2) at 0 and 6 weeks along with optimizing glycemic control. Mean change in best-corrected visual acuity (BCVA), contrast sensitivity (CS), optical coherence tomography (OCT)-measured by central macular thickness (CMT) were compared and correlated at baseline, 2, 6 and 12 weeks. Results: The study showed a mean CS improved in group 1 from 1.14 +/- 0.36 logCS to 1.32 +/- 0.24 logCS and also in group 2 from 1.11 +/- 0.29 logCS to 1.18 +/- 0.29 logCS at 12 weeks (P = 0.12). CS and CMT promptly decreased in group 1 compared to group 2 at 2 weeks (Delta CS = 0.15 +/- 0.25 vs. 0.03 +/- 0.15 logCS; P = 0.04; Delta CMT = 116 +/- 115 vs. 17 +/- 71 mu m; P = 0.01). There was a mean reduction of approximately 0.5% in HbA1c levels in both groups at 12 weeks (P = 0.002). Conclusion: The use of bevacizumab in combination with optimizing glycemic control results in earlier improvement of contrast sensitivity in type 2 diabetes patients with DME. However, the optimizing glycemic control itself has shown also to be effective at 12 weeks.
  • article 7 Citação(ões) na Scopus
    Dengue Fever Presenting as Purtscher-like Retinopathy
    (2018) LIMA, Luiz H.; VIANELLO, Silvana; PIMENTEL, Sergio; ANDRADE, Gabriel Costa de; ZETT, Claudio; MULLER, Leo; FARAH, Michel E.; BELFORT JR., Rubens
    Purpose: To report the fundus manifestations and spectral-domain optical coherence tomographic (SD-OCT) features of dengue fever presenting as Purtscher-like retinopathy.Methods: Retrospective review of two cases of dengue fever.Results: Color fundus photograph revealed the presence of cotton-wool spots in a Purtscher-like configuration in the posterior pole of all study eyes. SD-OCT demonstrated increased reflectivity signal in the inner retinal layers, and after a variable follow-up period, there was complete disappearance of cotton-wool spots and persistence of the hyperreflectivity signal.Conclusion: We report two unique cases of dengue fever associated with retinal lesions in a configuration of Purtscher-like retinopathy.
  • article 24 Citação(ões) na Scopus
    Indocyanine green angiography findings in patients with long-standing Vogt-Koyanagi-Harada disease: a cross-sectional study
    (2012) SILVA, Felipe T. da; HIRATA, Carlos E.; SAKATA, Viviane M.; OLIVALVES, Edilberto; PRETI, Rony; PIMENTEL, Sergio L. G.; GOMES, Andre; TAKAHASHI, Walter Y.; COSTA, Rogerio A.; YAMAMOTO, Joyce H.
    Background: To investigate indocyanine green angiography (ICGA) findings in patients with long-standing Vogt-Koyanagi-Harada (VKH) disease and their correlation with disease activity on clinical examination as well as with systemic corticosteroid therapy. Methods: Twenty-eight patients (51 eyes) with long-standing (>= 6 months from disease onset) VKH disease whose treatment was tapered based only in clinical features were prospectively included at a single center in Brazil. All patients underwent standardized clinical evaluation, which included fundus photography, fluorescein angiography and ICGA. Clinical disease activity was determined based in the Standardization in Uveitis Nomenclature Working Group. Fisher exact test and logistic regression models were used for statistical analysis. Results: Disease-related choroidal inflammation on ICGA was observed in 72.5% (31 of 51 eyes). Angiographic findings suggestive of (choroidal and/or retinal) disease activity were not observed on FA. Clinically active disease based on clinical evaluation was observed in 41.2% (21 of 51 eyes). In these 21 eyes, disease-related choroidal inflammation on ICGA was observed in 76.2% (16 of 21 eyes); in the remaining eyes (without clinical active disease) disease-related choroidal inflammation on ICGA was observed in 70.0% (21 of 30 eyes). In respect to systemic corticosteroid therapy, 10 patients (18 of 51 eyes) were under treatment with prednisone. In these 10 (18 of 51 eyes) patients, disease-related choroidal inflammation on ICGA was observed in 83.3% (15 of 18 eyes); in the remaining patients (33 of 51 eyes) disease-related choroidal inflammation on ICGA was observed in 66.7% (22 of 33 eyes). Conclusion: ICGA findings suggestive of disease-related choroidal inflammation were observed in a considerable proportion of patients with long-standing VKH disease, independent of the inflammatory status of the disease on clinical examination or current use of systemic corticosteroid. Therefore, the current study reinforces the crucial role of ICGA to assist the management and treatment of patients with long-standing VKH disease.
  • article 32 Citação(ões) na Scopus
    OPTICAL COHERENCE TOMOGRAPHY ANALYSIS OF OUTER RETINAL TUBULATIONS Sequential Evolution and Pathophysiological Insights
    (2018) PRETI, Rony C.; GOVETTO, Andrea; AQUETA FILHO, Richard Geraldo; ZACHARIAS, Leandro Cabral; PIMENTEL, Sergio Gianotti; TAKAHASHI, Walter Y.; MONTEIRO, Mario L. R.; HUBSCHMAN, Jean Pierre; SARRAF, David
    Purpose: To describe the sequential evolution of outer retinal tubulations (ORTs) in patients diagnosed with choroidal neovascularization and/or retinal pigment epithelium atrophy. Methods: Retrospective evaluation of spectral domain optical coherence tomography of a consecutive cohort of patients with various retinal conditions. Results: We reviewed the clinical findings of 238 eyes of 119 consecutive patients (54 men and 65 women) with a mean age of 76.2 +/- 14.2 years (range: 57-90) and a mean follow-up of 3 +/- 1.6 years (range 1-7). Over the follow-up period, ORTs were diagnosed in 67 of 238 eyes (28.1%), 9 of which were imaged with sequential, eye-tracked spectral domain optical coherence tomography dating from the beginning of ORT formation. The presence of geographic atrophy and subretinal hyperreflective material at baseline were found to be risk factors for ORT development (P < 0.001 and P < 0.001, respectively). Outer retinal tubulations were divided into forming versus formed morphologies. The latter was comprised open and closed ORTs of which the open subtype was the most common. The formation of ORTs was significantly associated with microcystic macular lesions in the inner nuclear layer and the downward displacement of the outer plexiform layer, referred to as the outer plexiform layer subsidence sign (P < 0.001). Conclusion: Outer retinal tubulation is a frequent optical coherence tomography finding in eyes with choroidal neovascularization and geographic atrophy. Open ORTs with progressive scrolled edges and shortened diameter were significantly associated with microcystic macular lesions in the inner nuclear layer and the outer plexiform layer subsidence sign.
  • article 10 Citação(ões) na Scopus
    Bactec (TM) blood culture bottles allied to MALDI-TOF mass spectrometry: rapid etiologic diagnosis of bacterial endophthalmitis
    (2017) TANAKA, Tatiana; OLIVEIRA, Luiza Manhezi de Freitas; FERREIRA, Bruno Fortaleza de Aquino; KATO, Juliana Mika; ROSSI, Flavia; CORREA, Karoline de Lemes Giuntini; PIMENTEL, Sergio Luis Gianotti; YAMAMOTO, Joyce Hisae; ALMEIDA JUNIOR, Joao Nobrega
    Matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry (MS) has been used for direct identification of pathogens from blood-inoculated blood culture bottles (BCBs). We showed that MALDI-TOF MS is an useful technique for rapid identification of the causative agents of endophthalmitis from vitreous humor-inoculated BCBs with a simple protocol.
  • bookPart
    Descolamento de retina
    (2022) SAKUNO, Gustavo; PIMENTEL, Sergio Luis Gianotti
  • article 2 Citação(ões) na Scopus
    Outcomes of Intravitreal Bevacizumab in Choroidal Neovascularization in Vogt-Koyanagi-Harada Disease-A Prospective Study
    (2021) SAKATA, Viviane M.; MORITA, Celso; LAVEZZO, Marcelo M.; RODRIGUEZ, Ever E. C.; ABDALLAH, Smairah F.; PIMENTEL, Sergio L. G.; HIRATA, Carlos E.; YAMAMOTO, Joyce H.
    Purpose: To assess the effectiveness of intravitreal (IV) bevacizumab and the need for systemic immunosuppressive therapy (IMT) in choroidal neovascularization (CNV) in Vogt-Koyanagi-Harada disease (VKHD). Methods: CNV treatment consisted of three monthly IV bevacizumab injections as a loading dose; if intra/subretinal fluid (IRF) persisted, further injections were proceeded besides increment in systemic IMT. Outcome analyses at 3, 6, and 12 months were visual acuity, central foveal thickness, macular volume, IRF, and addition of IMT. Results: Seven eyes of six patients were included. Five patients (five eyes) completed a 12-month follow-up and received 12 IV bevacizumab injections. At the 12-month follow-up, visual acuity improved in four out of five eyes (p = .0568); all eyes had decreased macular volume (p = .0431) but they still had persistent IRF; and all cases needed IMT introduction/increment. Conclusion: Intravitreal bevacizumab in association with systemic IMT was effective for CNV in VKHD. Active CNV may indicate disease of inadequate clinical control.
  • conferenceObject
    Enhanced Depth Image Optical Coherence Tomography (EDI-OCT) choroidal evaluation in patients with diabetes and correlation with retinal and kidney disease
    (2016) ABALEM, Maria Fernanda; PRETI, Rony Carlos; GARCIA, Rafael; SANTOS, Helen Nazareth Veloso; CARRICONDO, Pedro C.; PIMENTEL, Sergio Luis Gianotti; TAKAHASHI, Walter Y.; MONTEIRO, Mario L. R.
  • article
    Idiopathic Organ Transplant Chorioretinopathy after Liver Transplantation
    (2015) ABALEM, Maria Fernanda; CARRICONDO, Pedro Carlos; PIMENTEL, Sergio Luis Gianotti; TAKAHASHI, Walter Yukihiko
    Idiopathic organ transplant chorioretinopathy is a rare disease associated with kidney and heart transplantation. We present a case secondary to liver transplantation including its multimodal imaging, differential diagnosis, and physiopathology discussion.