NAOMI KONDO NAKAGAWA
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina - Docente
LIM/54 - Laboratório de Bacteriologia, Hospital das Clínicas, Faculdade de Medicina
LIM/54 - Laboratório de Bacteriologia, Hospital das Clínicas, Faculdade de Medicina
50 resultados
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- Effects of biomass burning on nasal mucociliary clearance and mucus properties after sugarcane harvesting(2011) GOTO, Danielle Miyuki; LANCA, Marina; OBUTI, Camila Akemi; BARBOSA, Cristiane Maria Galvao; SALDIVA, Paulo Hilario Nascimento; ZANETTA, Dirce Maria Trevisan; LORENZI-FILHO, Geraldo; SANTOS, Ubiratan de Paula; NAKAGAWA, Naomi KondoObjective: Biofuel from sugarcane is widely produced in developing countries and is a clean and renewable alternative source of energy. However, sugarcane harvesting is mostly performed after biomass burning. The aim of this study was to evaluate the effects of harvesting after biomass burning on nasal mucociliary clearance and the nasal mucus properties of farm workers. Methods: Twenty seven sugarcane workers (21-45 years old) were evaluated at the end of two successive time-periods: first at the end of a 6-month harvesting period (harvesting), and then at the end of a 3-month period without harvesting (non-harvesting). Nasal mucociliary clearance was evaluated by the saccharine transit test, and mucus properties were analyzed using in vitro mucus contact angle and mucus transportability by sneeze. Arterial blood pressure, heart rate, respiratory rate, pulse oximetry, body temperature, associated illness, and exhaled carbon monoxide were registered. Results: Data are presented as mean values (95% confidence interval). The multivariate model analysis adjusted for age, body-mass index, smoking status and years of working with this agricultural practice showed that harvesting yielded prolonged saccharine transit test in 7.83 min (1.88-13.78), increased mucus contact angle in 8.68 degrees (3.18-14.17) and decreased transportability by sneeze in 32.12 mm (-44.83 to -19.42) compared with the non-harvesting period. No significant differences were detected in any of the clinical parameter at either time-period. Conclusion: Sugarcane harvesting after biomass burning negatively affects the first barrier of the respiratory system in farm workers by impairing nasal mucociliary clearance and inducing abnormal mucus properties.
- The effects of smoking and smoking cessation on nasal mucociliary clearance, mucus properties and inflammation(2016) UTIYAMA, Daniela Mitiyo Odagiri; YOSHIDA, Carolina Tieko; GOTO, Danielle Miyuki; CARVALHO, Tomas de Santana; SANTOS, Ubiratan de Paula; KOCZULLA, Andreas Rembert; SALDIVA, Paulo Hilario Nascimento; NAKAGAWA, Naomi KondoOBJECTIVE: The aim of the present study was to assess nasal mucociliary clearance, mucus properties and inflammation in smokers and subjects enrolled in a Smoking Cessation Program (referred to as quitters). METHOD: A total of 33 subjects with a median (IQR) smoking history of 34 (20-58) pack years were examined for nasal mucociliary clearance using a saccharine transit test, mucus properties using contact angle and sneeze clearability tests, and quantification of inflammatory and epithelial cells, IL-6 and IL-8 concentrations in nasal lavage fluid. Twenty quitters (mean age: 51 years, 9 male) were assessed at baseline, 1 month, 3 months and 12 months after smoking cessation, and 13 smokers (mean age: 52 years, 6 male) were assessed at baseline and after 12 months. Clinicaltrials.gov: NCT02136550. RESULTS: Smokers and quitters showed similar demographic characteristics and morbidities. At baseline, all subjects showed impaired nasal mucociliary clearance (mean 17.6 min), although 63% and 85% of the quitters demonstrated significant nasal mucociliary clearance improvement at 1 month and 12 months, respectively. At 12 months, quitters also showed mucus sneeze clearability improvement (similar to 26%), an increased number of macrophages (2-fold) and no changes in mucus contact angle or cytokine concentrations. CONCLUSION: This study showed that smoking cessation induced early improvements in nasal mucociliary clearance independent of mucus properties and inflammation. Changes in mucus properties were observed after only 12 months of smoking cessation.
bookPart Fisioterapia nas Disfunções Cardiovasculares(2015) NASCIMENTO, Juliana Araújo; KAWAUCHI, Tatiana Satie; NAKAO, Mayumi; AIKAWA, Priscila; NAKAGAWA, Naomi Kondo- Aerobic exercise in polluted urban environments: effects on airway defense mechanisms in young healthy amateur runners(2016) SA, Matheus Cavalcante de; NAKAGAWA, Naomi Kondo; ANDRE, Carmen Diva Saldiva de; CARVALHO-OLIVEIRA, Regiani; CARVALHO, Tamas de Santana; NICOLA, Marina Lazzari; ANDRE, Paulo Afonso de; SALDIVA, Paulo Hilario Nascimento; VAISBERG, MauroIn this study, the effects of aerobic exercise on the upper airways and their defense mechanisms were investigated in athletes. The athletes ran in two different environments: the downtown streets of the city of Sao Paulo (Street), more polluted, and an urban forest (Forest), less polluted. Thirty-eight young healthy athletes ran for 45 min d(-1) randomly during five consecutive days, with an interval of 48 h before changing environment. Clinical parameters and respiratory tract defense markers were evaluated before and after the first run on Mondays (1 d) and on Fridays (5 d). Street presented higher mean PM2.5 concentrations (65.1 +/- 39.1 mu gm(-3), p < 0.001) and lower temperature (22.0 degrees C, p = 0.010) than Forest (22.6 +/- 15.3 mu g m(-3) and 22.8 degrees C). After 1 d Street running, subjects showed an increment in heart rate (p < 0.001). At day 5, there was twice the number of athletes with impaired nasal mucociliary clearance (MCC) in the Street runners group when compared to the Forest runners group. Exhaled breath condensate pH values increased in the Forest group, with significant differences between groups in day 1 (p = 0.006) and day 5 (p < 0.001), despite the fact that both groups showed values within the normal range. After exposure to both environments, the number of cells in the nasal lavage fluid was reduced after exercise (p = 0.014), without alterations in cell type and IL-8 and IL-10 concentrations. Aerobic exercise can either maintain or acutely enhance MCC and it may help to regulate inflammatory responses in the airways. Here we show that exercise practice in polluted outdoor environment, over a 5 d period, impairs MCC. In contrast, athletes running in the less polluted environment (Forest) show higher exhaled breath condensate pH values when compared to those who exercised in a more polluted environment (Street).
- Smoking load reduction is insufficient to downregulate miR-301b, a lung cancer promoter(2020) ARCAS, Camila dos Santos; LIN-WANG, Hui Tzu; UMEDA, Iracema Ioco Kikuchi; SOUSA, Marcio Goncalves de; UTIYAMA, Daniela Mitiyo Odagiri; MANSUR, Antonio de Padua; MACCHIONE, Mariangela; HIRATA, Mario Hiroyuki; NAKAGAWA, Naomi KondoSeveral circulating miRNAs identified in the plasma of smokers have been implicated as promoters of nasopharyngeal and lung carcinoma. To investigate the plasma profile of miRNAs in subjects who reduces the number of smoked cigarettes and who quit after six months. We accompanied 28 individuals enrolled in a Smoking Cessation Program over 6 months. At Baseline, clinical characteristics, co-morbidities, and smoking history were similar among subjects. After 6 months, two groups were defined: who successfully quitted smoking (named ""quitters"", n=18, mean age 57 years, 11 male) and who reduced the number of cigarettes smoked (20-90%) but failed to quit smoking (named ""smokers"", n=10, mean age 52 years, 3 male). No significant clinical changes were observed between groups at baseline and after a 6-month period, however, quitters showed significant downregulations in seven miRNAs at baseline: miR-17 (-2.90 -fold, p=0.029), miR-20a (-3.80-fold, p=0.021); miR-20b (-4.71-fold, p=0.027); miR-30a (-3.95-fold, p=0.024); miR-93 (-3.63-fold, p=0.022); miR-125a(-1.70 -fold, p= 0.038); and miR-195 (-5.37-fold, p=0.002), and after a 6-month period in 6 miRNAs: miR-17 (-5.30-fold, p=0.012), miR-20a (-2.04-fold, p=0.017), miR-20b (-5.44-fold, p=0.017), miR-93 (-4.00-fold, p=0.041), miR-101 (-4.82-fold, p=0.047) and miR-125b (-3.65-fold, p=0.025). Using time comparisons, only quitters had significant downregulation in miR-301b (-2.29-fold, p=0.038) after 6-month. Reductions in the number of smoked cigarettes was insufficient to change the plasma profile of miRNA after 6 months. Only quitting smoking (100% reduction) significantly downregulated miR-301b related to hypoxic conditions, promotion of cell proliferation, decreases in apoptosis, cancer development, and progression as increases in radiotherapy and chemotherapy resistance.
- PERSONAL EXPOSURE TO AIR POLLUTION INFLUENCED DISEASE ACTIVITY AND EXHALED BREATH BIOMARKERS: A PROSPECTIVE STUDY IN A CHILDHOOD-ONSET SYSTEMIC LUPUS ERYTHEMATOSUS POPULATION(2016) GOULART, M. F. G.; ALVES, A. G. F.; BRAGA, A. L. F.; SALUM, A. M. E.; PEREIRA, L. A. A.; COIMBRA, A. J. F.; CARVALHO, T. D. S.; NAKAGAWA, N. K.; SILVA, C. A.; FARHAT, S. C. L.
- Outdoor exercise with different PM2.5 concentrations and heart rate variability effects in healthy individuals, Sao Paulo, Brazil(2016) PACELI, Renato; CARDOSO, Aretusa; SA, Matheus Cavalcanti de; VAISBERG, Mauro Walter; NAKAGAMA, Naomi Kondo; TERRA-FILHO, Mario; ZANETTA, Dirce Maria Trevisan; SANTOS, Ubiratan de Paula
- The ""four-finger ruler"" as a novel, simple and easy technique for hands placement during CPR training(2023) NAKAGAWA, N. K.; SALLES, I. C.; COSTA, M. M.; PINHO, J. L.; BOETTIGER, B. W.
conferenceObject Left ventricular ejection fraction, systolic blood pressure and smoking history are good predictors of respiratory muscle weakness in systolic heart failure(2018) NAKAGAWA, N. K. Naomi Kondo; DIZ, M. A.; KAWAUCHI, T. S.; ANDRADE, G. N.; UMEDA, Iik; MURAKAMI, F. M.; OLIVEIRA-MAUL, J. P.; NASCIMENTO, J. A.; NUNES, N.; TAKADA, J. Y.; MANSUR, A. P.; CAHALIN, L. P.- Aging, Diabetes, and Hypertension Are Associated With Decreased Nasal Mucociliary Clearance(2013) OLIVEIRA-MAUL, Janaina Proenca de; CARVALHO, Heraclito Barbosa de; GOTO, Danielle Miyuki; MAIA, Raphaela Mendonca; FLO, Claudia; BARNABE, Viviane; FRANCO, Denise Reis; BENABOU, Simon; PERRACINI, Monica Rodrigues; JACOB-FILHO, Wilson; SALDIVA, Paulo Hilario Nascimento; LORENZI-FILHO, Geraldo; RUBIN, Bruce K.; NAKAGAWA, Naomi KondoBackground: We showed previously that nasal mucociliary clearance was decreased in critically ill elderly subjects, most of whom had diabetes mellitus (DM) and/or hypertension (HTN). To determine if these changes were due to the effects of aging, disease, or critical illness, we studied nasal mucociliary clearance and mucus properties in an ambulatory population consisting of young, elderly, and healthy subjects and those with DM, HTN, or both. Methods: Of 440 subjects contacted, 252 entered the study. The subjects were divided into the following groups: (1) healthy (n = 79, 18-94 years, 50 men) and (2) DM and/or HTN, of which 37 had DM (14-90 years, 12 men), 52 had HTN (23-90 years, 12 men), and 84 had both DM and HTN (25-82 years, 33 men). Subjects were also grouped by age: < 40 years, 40 to 59 years, and >= 60 years. We assessed demographic and clinical data, quality of life using the 36-Item Short Form Health Survey (SF-36) questionnaire, nasal mucociliary clearance using the saccharine transit test (STT), and in vitro mucus properties by examining the sneeze (high airflow) clear-ability and contact angle. A logistic regression analysis for prolonged STT > 12 min was used, and we controlled for age, sex, and diseases. Results: Subjects aged > 60 years reported a decreased SF-36 physical component relative to other age groups. Sex, BMI, BP, heart rate, pulse oximetry, blood glucose level, and mucus properties were not associated with prolonged STT. Aging and DM and/or HTN independently increased the risk of prolonged STT. Conclusions: Aging and DM, HTN, or both diseases are independently associated with decreased nasal mucociliary clearance. This may predispose toward respiratory infections.