CARLOS ROBERTO RIBEIRO DE CARVALHO
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Cardio-Pneumologia, Faculdade de Medicina - Docente
Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina
LIM/09 - Laboratório de Pneumologia, Hospital das Clínicas, Faculdade de Medicina - Líder
Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina
LIM/09 - Laboratório de Pneumologia, Hospital das Clínicas, Faculdade de Medicina - Líder
20 resultados
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conferenceObject A Rare Association Between Pulmonary Idiopathic Diffuse Neuroendocrine Hyperplasia and Organizing Pneumonia(2019) TAKIZAWA, D. B.; COLARES, P. F.; COSTA, F. M. da; BALDI, B. G.; KAIRALLA, R. A.; CARVALHO, C. R. R.- Heterogeneous effects of alveolar recruitment in acute respiratory distress syndrome: a machine learning reanalysis of the Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial(2019) ZAMPIERI, Fernando G.; COSTA, Eduardo L.; IWASHYNA, Theodore J.; CARVALHO, Carlos R. R.; DAMIANI, Lucas P.; TANIGUCHI, Leandro U.; AMATO, Marcelo B. P.; CAVALCANTI, Alexandre B.Background: Despite a robust physiological rationale, recruitment manoeuvres with PEEP titration were associated with harm in the Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART). We sought to investigate the potential heterogeneity in treatment effects in patients enrolled in the ART, using a machine learning approach. Methods: The primary outcome was hospital mortality. Patients were clustered using baseline clinical and physiological data using the k-means for mixed large data method. The heterogeneity in treatment effect between clusters was investigated using Bayesian methods. We further investigated whether baseline driving pressure could modulate the association between treatment arm, cluster, and mortality. Results: Data from all 1010 patients enrolled in the ART were analysed. Partitioning suggested that three clusters were present in the ART population. The largest cluster (Cluster 1) was characterised by patients with pneumonia and requiring vasopressor support. Recruitment manoeuvres with PEEP titration were associated with higher mortality in Cluster 1 (probability of harm of >98%), but this association was absent in Clusters 2 and 3 (probability of harm of 45% and 68%, respectively). Higher baseline driving pressure was associated with a progressive reduction in the association between alveolar recruitment with PEEP titration and mortality. Conclusions: Recruitment manoeuvre with PEEP titration may be harmful in acute respiratory distress syndrome (ARDS) patients with pneumonia or requiring vasopressor support. Driving pressure appears to modulate the association between the ART study intervention, aetiology of ARDS, and mortality. This machine learning approach may help tailor future RCTs.
- A textural approach for quantitative CT in chronic hypersensitivity pneumonitis (cHP)(2019) PENNATI, Francesca; DIAS, Olivia; ANTONIAZZA, Alessio; BERETTA, Davide; ALIBONI, Lorenzo; BALDI, Bruno Guedes; SAWAMURA, Marcio; CHATE, Rodrigo Caruso; CARVALHO, Carlos Roberto Ribeiro De; ALBUQUERQUE, Andre; ALIVERTI, Andrea
- A decision-aid tool for ICU admission triage is associated with a reduction in potentially inappropriate intensive care unit admissions(2019) RAMOS, Joao Gabriel Rosa; RANZANI, Otavio T.; PERONDI, Beatriz; DIAS, Roger Daglius; JONES, Daryl; CARVALHO, Carlos Roberto Ribeiro; VELASCO, Irineu Tadeu; FORTE, Daniel NevesPurpose: Intensive care unit (ICU) admission triage occurs frequently and often involves highly subjective decisions that may lead to potentially inappropriate ICU admissions. In this study, we evaluated the effect of implementing a decision-aid tool for ICU triage on ICU admission decisions. Methods: This was a prospective, before-after study. Urgent ICU referrals to ten ICUs in a tertiary hospital in Brazil were assessed before and after the implementation of the decision-aid tool. Our primary outcome was the proportion of potentially inappropriate ICU referrals (defined as priority 4B or 5 referrals, accordingly to the Society of Critical Care Medicine guidelines of 1999 and 2016, respectively) admitted to the ICU within 48 h. We conducted multivariate analyses to adjust for potential confounders and evaluated the interaction between phase and triage priority. Results: Of the 2201 patients analyzed, 1184 (53.8%) patients were admitted to the ICU. After adjustment for confounders, implementation of the decision-aid tool was associated with a reduction in potentially inappropriate ICU admissions using either the 1999 [adjOR (95% CI) = 0.36 (0.13-0.97)] or 2016 [adjOR (95%CI) = 0.35 (0.13-0.96)] definitions. Conclusion: Implementation of a decision-aid tool for ICU triage was associated with a reduction in potentially inappropriate ICU admissions. (C) 2019 Published by Elsevier Inc.
- Diaphragmatic ultrasound findings correlate with dyspnea, exercise tolerance, health-related quality of life and lung function in patients with fibrotic interstitial lung disease(2019) SANTANA, Pauliane Vieira; CARDENAS, Leticia Zumpano; ALBUQUERQUE, Andre Luis Pereira de; CARVALHO, Carlos Roberto Ribeiro de; CARUSO, PedroBackground Fibrotic interstitial lung disease (FILD) patients are typically dyspneic and exercise-intolerant with consequent impairment of health-related quality of life (HRQoL). Respiratory muscle dysfunction is among the underlying mechanisms of dyspnea and exercise intolerance in FILD but may be difficult to diagnose. Using ultrasound, we compared diaphragmatic mobility and thickening in FILD cases and healthy controls and correlated these findings with dyspnea, exercise tolerance, HRQoL and lung function. Methods We measured diaphragmatic mobility and thickness during quiet (QB) and deep breathing (DB) and calculated thickening fraction (TF) in 30 FILD cases and 30 healthy controls. We correlated FILD cases' diaphragmatic findings with dyspnea, exercise tolerance (six-minute walk test), lung function and HRQoL (St. George's Respiratory Questionnaire). Results Diaphragmatic mobility was similar between groups during QB but was lower in FILD cases during DB when compared to healthy controls (3.99 cm vs 7.02 cm; p < 0.01). FILD cases showed higher diaphragm thickness during QB but TF was lower in FILD when compared to healthy controls (70% vs 188%, p < 0.01). During DB, diaphragmatic mobility and thickness correlated with lung function, exercise tolerance and HRQoL, but inversely correlated with dyspnea. Most FILD cases (70%) presented reduced TF, and these patients had higher dyspnea and exercise desaturation, lower HRQoL and lung function. Conclusion Compared to healthy controls, FILD cases present with lower diaphragmatic mobility and thickening during DB that correlate to increased dyspnea, decreased exercise tolerance, worse HRQoL and worse lung function. FILD cases with reduced diaphragmatic thickening are more dyspneic and exercise-intolerant, have lower HRQoL and lung function.
conferenceObject Severe Pulmonary Alveolar Proteinosis in a Patient with GATA2 Deficiency(2019) BEDER, T. N.; ALMEIDA, G. Correa de; BERNARDI, F. Del Carlo; SAMANO, M. N.; MINAMOTO, H.; ARIMURA, F. E.; CARVALHO, C. R. R.; VASCONCELOS, D. de Moraes; KAIRALLA, R. A.- An Unusual Combination of Diffuse Pulmonary Cysts and a Nodule(2019) OLIVEIRA, Martina Rodrigues de; AMARAL, Alexandre Franco; NASCIMENTO, Ellen Caroline Toledo do; CARVALHO, Carlos Roberto Ribeiro; BALDI, Bruno Guedes
- Risk of breast cancer in patients with lymphangioleiomyomatosis(2019) NUNEZ, Olivier; BALDI, Bruno G.; RADZIKOWSKA, ElZbieta; CARVALHO, Carlos R. R.; HERRANZ, Carmen; SOBIECKA, Malgorzata; TORRES, Olga; HARARI, Sergio; VERGEER, Menno A. M. H.; KOLBE, John; POLLAN, Marina; PUJANA, Miguel AngelLymphangioleiomyomatosis (LAM) is a rare metastasizing pulmonary disease that shares some clinical, cellular, and molecular similarities with metastatic breast cancer to lung. LAM cells have been identified circulating in various body fluids of patients and, intriguingly, diverse evidence indicates that these cells may originate from a different organ to the lung. Following on from these observations, we hypothesized the existence of a common risk basis between LAM and breast cancer, and suggested increased risk of breast cancer among LAM patients. Here, by studying two additional LAM cohorts with more detailed epidemiological, life-style, and disease-related data, we show consistent results; a potential excess of estrogen-receptor-positive young breast cancer cases in LAM. This observation further suggests the need of prospective studies to precisely assess the association between both diseases.
- Forced Oscillation Technique and Small Airway Involvement in Chronic Hypersensitivity Pneumonitis(2019) DIAS, Olivia Meira; BALDI, Bruno Guedes; CHATE, Rodrigo Caruso; CARVALHO, Carlos Roberto Ribeiro de; DELLACA, Raffaele L.; MILESI, Ilaria; ALBUQUERQUE, Andre Luis Pereira deObjective: Hypersensitivity pneumonitis (HP) is an interstitial lung disease caused by the inhalation of specific organic antigens or low-molecular weight substances in genetically susceptible individuals. Although small airway involvement is prominent in patients with chronic HP, conventional pulmonary function tests (PFTs) are relatively insensitive to identify it. Thus, the authors aimed to evaluate resistance (R5) and reactance (X5) values at 5 Hz on inspiration, expiration, and whole breath, as well as small airway resistance (R5-19) values using a forced oscillation technique (FOT) in patients with chronic HP, and their responses after bronchodilator. In addition, R5 and X5 values according to the presence or absence of mosaic attenuation on computed tomography (CT) were compared. Methods: PFTs with plethysmography, diffusing capacity of the lungs for carbon monoxide (DLco) and FOT measurements were performed pre-bronchodilator and post-bronchodilator. High-resolution CT was performed at the same visit, and classified according to the presence or absence of mosaic attenuation. R5 and X5 values were then compared according to the presence or absence of mosaic attenuation on CT. Results: Twenty-eight patients with chronic HP (57.1% female; mean age, 56 +/- 11.5 years; mean forced vital capacity 57 +/- 17% predicted) were evaluated. All patients had low X5 values, reflecting lower lung compliance, and only three (8%) demonstrated elevated R5 (whole-breath) values. No patients exhibited bronchodilator response in R5, X5 and R5_19 values. In patients who exhibited greater extension of mosaic attenuation (n =11), R5 and X5 values could not discriminate those with a greater presence of these areas on CT. Conclusions: The results suggest that FOT does not help to additionally characterise concomitant small airway involvement in patients with chronic fibrotic HP who demonstrate restrictive ventilatory pattern in conventional PFTs. Nevertheless, FOT appeared to better characterise decreased lung compliance due to fibrosis through X5. Bronchodilator therapy did not appear to induce an acute response in chronic HP patients with restrictive disease. The precise role of FOT in subacute HP and obstructive chronic HP, therefore, must be evaluated.
- Pulmonary Hypertension in Pulmonary Langerhans Cell Histiocytosis: prevalence and the role of Cardiopulmonary Exercise Testing and echocardiogram in predicting it(2019) HEIDEN, Glaucia Itamaro; SOBRAL, Juliana Barbosa; ALVES JR., Jose Leonidas; SALGE, Joao Marcos; ALBUQUERQUE, Andre Luis; FERNANDES, Caio Julio Cesar; KAIRALLA, Ronaldo; CARVALHO, Carlos Roberto Ribeiro; SOUZA, Rogerio; BALDI, Bruno Guedes