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1.
Surg Case Rep ; 10(1): 152, 2024 Jun 20.
Artigo em Inglês | MEDLINE | ID: mdl-38898208

RESUMO

BACKGROUND: Ovarian endometriomas (OEs) are rarely found in the pediatric population, especially before menstruation. We report a 6-year-old girl who was postoperatively diagnosed with OE before menstruation. CASE PRESENTATION: A 6-year-old girl presented to a local pediatrician with abdominal pain and vomiting. Abdominal ultrasonography revealed a multilocular cystic lesion to the left of the bladder. Magnetic resonance imaging (MRI) revealed similar findings, with the contents of the cyst showing a low signal on T1-weighted imaging and a high signal on T2-weighted imaging. The patient was referred to our institution for further examination. Enhanced computed tomography (CT) showed a multilocular cystic lesion sized 56 × 44 × 30 mm with partial calcification. The left ovarian vein was dilated, suggesting the origin of the tumor to be the left ovary. Extirpation of the lesion was performed under laparoscopic assistance. Pathological findings indicated an ovarian endometrioma. To our knowledge, this is the youngest report of an OE diagnosed in a patient prior to menstruation. CONCLUSIONS: OEs in children before menstruation are extremely rare; thus, the long-term prognosis is yet to be determined.

2.
Surg Today ; 54(5): 452-458, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-37650941

RESUMO

PURPOSE: We compared the clinical features of patients with biliary atresia (BA) associated with a bleeding tendency (BT) at the time of the diagnosis with those of patients without a bleeding tendency (NBT). METHODS: The patients' background characteristics, age in days at the first visit, Kasai portoenterostomy (KPE), and postoperative course were retrospectively analyzed. RESULTS: Nine of the 93 BA patients (9.7%) showed a BT, including 7 with intracranial hemorrhaging (ICH), 1 with gastrointestinal bleeding, and 1 with a prothrombin time (PT) of 0%. The age at the first visit was 62 ± 12 days old for BT patients and 53 ± 27 days old for NBT patients (p = 0.4); the age at KPE was 77 ± 9 days old for BT patients and 65 ± 24 days old for NBT patients (p = 0.2); the time from the first visit to surgery was 13 ± 7 days for BT patients and 11 ± 10 days for NBT patients (p = 0.5); and the native liver survival rate was 56% for BT patients and 58% for NBT patients (p = 1), with no significant difference in any of the parameters. The neurological outcomes of survivors of ICH were favorable. CONCLUSIONS: Appropriate BT correction allowed early KPE even after ICH, resulting in native liver survival rates comparable to those of NBT patients without significant neurological complications.


Assuntos
Atresia Biliar , Transtornos da Coagulação Sanguínea , Humanos , Lactente , Atresia Biliar/cirurgia , Portoenterostomia Hepática/métodos , Estudos Retrospectivos , Resultado do Tratamento , Fígado/cirurgia , Transtornos da Coagulação Sanguínea/etiologia
3.
J Pediatr Surg ; 59(4): 627-633, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38160183

RESUMO

BACKGROUND: We evaluated the effect of recombinant human hepatocyte growth factor (rh-HGF) on intestinal adaptation in a rat model of short-bowel syndrome (SBS). METHODS: Sprague-Dawley rats underwent jugular vein catheterization for continuous total parenteral nutrition (TPN) and 90 % small bowel resection. The animals were divided into 3 groups: TPN/SBS (control group, n = 7), TPN/SBS/intravenous recombinant human hepatocyte growth factor (HGF) (0.3 mg/kg/day) (HGF group, n = 7), and TPN/SBS/intravenous c-Met inhibitor (0.3 mg/kg/day) (anti-HGF group, n = 5). On day 7, rats were euthanized and histologically evaluated. Serum diamine oxidase (S-DAO) levels were evaluated using an enzyme-linked immunosorbent assay. The nutrient transporter and glucagon-like peptide-2 (GLP-2) receptor expression were evaluated using real-time polymerase chain reaction. RESULTS: The jejunal and ileal villus heights were higher and the S-DAO concentrations significantly higher (p = 0.04) in the HGF group than in the control and anti-HGF groups. The sodium-dependent glucose transporter 1 expression in the HGF group was significantly higher than in the control group and significantly suppressed in the anti-HGF group (p < 0.01). The peptide transporter 1 expression in the jejunum was higher in the HGF group than in the other groups and significantly suppressed in the anti-HGF group (p < 0.01). The GLP-2 receptor expression in the jejunum was higher in the HGF group than the other groups, and it was significantly suppressed in the anti-HGF group (p < 0.01). These jejunal results regarding nutrient transporter an GLP-2 receptor were not found in the ileum. CONCLUSIONS: The administration of rh-HGF appears to be more effective in the jejunum than in the ileum. TYPE OF STUDY: Experimental Research. LEVEL OF EVIDENCE: N/A.


Assuntos
Jejuno , Síndrome do Intestino Curto , Animais , Humanos , Ratos , Adaptação Fisiológica , Modelos Animais de Doenças , Receptor do Peptídeo Semelhante ao Glucagon 2/metabolismo , Fator de Crescimento de Hepatócito/farmacologia , Mucosa Intestinal/metabolismo , Intestinos/patologia , Jejuno/patologia , Ratos Sprague-Dawley , Síndrome do Intestino Curto/metabolismo
4.
Pediatr Surg Int ; 40(1): 8, 2023 Nov 24.
Artigo em Inglês | MEDLINE | ID: mdl-37999791

RESUMO

PURPOSE: The purpose of this study was to investigate the autophagy associated with apoptosis in hepatic damage in the short bowel syndrome rat model. METHODS: SD rats underwent jugular vein catheterization for continuous total parenteral nutrition (TPN) and 90% small bowel resection. Animals were divided into two groups: TPN plus SBS (Control group) or TPN plus SBS plus intravenous administration of HGF (HGF group). On day 7, the rats were harvested, and hepatocellular injury was evaluated. RESULTS: In an SBS rat model, hepatic steatosis and lobular inflammation were histologically suppressed in the HGF group (p < 0.01). The expression of tumor necrosis factor-α in the HGF group tend to be higher than that in the control group (p = 0.13). The gene expression of transforming Growth Factor-ß in the HGF group was suppressed compared to the control group (p < 0.01). HGF treatment may have an antiapoptotic effect via the intrinsic pathway by caspase 9. Protein expressions of Rubicon (p = 0.03) and p62 (p < 0.01) in the HGF group were found to have increased compared to those in the control group. CONCLUSION: The inhibitory effect of HGF on hepatic steatosis remains unclear, and further studies focusing on the mechanisms of fat accumulation are needed.


Assuntos
Hepatopatias , Síndrome do Intestino Curto , Ratos , Animais , Fator de Crescimento de Hepatócito/genética , Síndrome do Intestino Curto/terapia , Síndrome do Intestino Curto/complicações , Ratos Sprague-Dawley , Modelos Animais de Doenças , Hepatopatias/complicações
5.
Pediatr Surg Int ; 39(1): 266, 2023 Sep 07.
Artigo em Inglês | MEDLINE | ID: mdl-37673850

RESUMO

PURPOSE: Anovestibular fistula (AVF) is the most common type of ARM in female patients. The present study investigated changes over time in the postoperative defecation function of female patients with AVF. METHODS: Patient data were collected from 1984 to 2021. Eighty-eight female patients with AVF were enrolled. Patients' characteristics and the long-term outcome of defecation function were reviewed and analyzed retrospectively. The bowel function was evaluated according to the Japan Society of ARM Study Group evacuation score (ES). RESULTS: Thirty-eight patients underwent anal transposition (AT), and 8 underwent anterior sagittal anorectoplasty (ASARP). The total evacuation score (ES) in AVF patients reached "excellent" at nine years old, regardless of the operative procedure. The constipation scores with AT showed better improvement than those with ASARP, but soiling scores in the ASARP group showed better improvement than those in the AT group. The postoperative complications did not affect the postoperative bowel function in AVF patients. CONCLUSION: Most patients with AVF eventually achieved a satisfactory total ES. Given the difference in defecation score transition depending on the operative procedure or postoperative complications, it may be important to perform long-term defecation management via surgical procedures.


Assuntos
Fístula Cutânea , Procedimentos Cirúrgicos do Sistema Digestório , Fístula Retal , Humanos , Feminino , Criança , Defecação , Estudos Retrospectivos , Complicações Pós-Operatórias/epidemiologia
6.
J Palliat Med ; 25(1): 81-88, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-34348046

RESUMO

Background: The quality of life (QOL) of family caregivers often deteriorates after the death of patients with terminal cancer. Although previous retrospective cross-sectional studies of the bereaved family caregivers of cancer patients have suggested that lower satisfaction with care given to terminal cancer patients was related to lower QOL of the bereaved family caregivers, the retrospective cross-sectional study design has limitations. Objectives: To clarify family caregivers' satisfaction with the care of terminal cancer patients and bereaved family caregivers' QOL. Design: A prospective pre- and postloss study. Setting/Subjects: Family caregivers of terminal cancer patients were recruited from three inpatient hospice/palliative care units in Japan. Measurements: Family caregivers completed questionnaires, including the Family Satisfaction with Advanced Cancer Care (FAMCARE) scale before loss and the 36-item Short-Form Health Survey (SF-36) questionnaire before loss and six months after the patient's death. Results: A total of 114 family caregivers were included in each analysis. After the patient's death, bereaved family caregivers' mental component summary score of SF-36 significantly differed between low- and high-satisfaction caregiver groups (n = 47 in both groups, mean difference = 3.50, p = 0.048). The proportion of family caregivers with depressive symptoms (moderate or worse) at preloss was 41% (25/61) in the low-satisfaction group and 22% (11/51) in the high-satisfaction group. Conclusions: Family caregivers' satisfaction with the care provided to terminal cancer patients at the end of their lives was associated with the bereaved family caregivers' QOL six months postloss. Enhancing family caregivers' satisfaction with care has the potential to improve their postloss QOL.


Assuntos
Neoplasias , Assistência Terminal , Cuidadores , Estudos Transversais , Humanos , Satisfação do Paciente , Satisfação Pessoal , Estudos Prospectivos , Qualidade de Vida , Estudos Retrospectivos , Inquéritos e Questionários
7.
Hypertens Res ; 43(8): 781-790, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32152482

RESUMO

The usefulness of brachial-ankle pulse wave velocity (baPWV), an index of arterial stiffness, is not fully known for the management of treated hypertensive patients with a history of coronary artery disease (CAD) who have blood pressure less than 130/80 mmHg, a recommended blood pressure target in the updated major hypertension guidelines. We analyzed data for 447 treated hypertensive patients with CAD enrolled in FMD-J Study A for assessment of the predictive value of baPWV for future cardiovascular events. The primary outcome was a composite of coronary events, stroke, heart failure, and sudden death. During a median follow-up period of 47.6 months, the primary outcome occurred in 64 patients. Blood pressure less than 130/80 mmHg was significantly associated with a lower risk of the composite outcome independent of other cardiovascular risk factors in treated hypertensive patients with CAD (hazard ratio, 0.59; 95% confidence interval (CI), 0.35-0.99; P = 0.04). In treated hypertensive patients with CAD who had blood pressure less than 130/80 mmHg, baPWV above the cutoff value of 1731 cm/s, derived from receiver-operator characteristic curve analysis for the composite outcome was significantly associated with a higher risk of the composite outcome independent of conventional risk factors (hazard ratio, 2.83; 95% CI, 1.02-7.91; P = 0.04). baPWV was an independent predictor of cardiovascular events in treated hypertensive patients with CAD who had blood pressure less than 130/80 mmHg, for whom measurement of baPWV is recommended for cardiovascular risk assessment.


Assuntos
Pressão Sanguínea/fisiologia , Doenças Cardiovasculares/fisiopatologia , Doença da Artéria Coronariana/fisiopatologia , Hipertensão/fisiopatologia , Rigidez Vascular/fisiologia , Idoso , Índice Tornozelo-Braço , Feminino , Fatores de Risco de Doenças Cardíacas , Humanos , Japão , Masculino , Pessoa de Meia-Idade , Análise de Onda de Pulso , Medição de Risco , Vasodilatação/fisiologia
8.
Nat Commun ; 10(1): 5446, 2019 11 29.
Artigo em Inglês | MEDLINE | ID: mdl-31784517

RESUMO

Quiescence is important for sustaining neural stem cells (NSCs) in the adult brain over the lifespan. Lysosomes are digestive organelles that degrade membrane receptors after they undergo endolysosomal membrane trafficking. Enlarged lysosomes are present in quiescent NSCs (qNSCs) in the subventricular zone of the mouse brain, but it remains largely unknown how lysosomal function is involved in the quiescence. Here we show that qNSCs exhibit higher lysosomal activity and degrade activated EGF receptor by endolysosomal degradation more rapidly than proliferating NSCs. Chemical inhibition of lysosomal degradation in qNSCs prevents degradation of signaling receptors resulting in exit from quiescence. Furthermore, conditional knockout of TFEB, a lysosomal master regulator, delays NSCs quiescence in vitro and increases NSC proliferation in the dentate gyrus of mice. Taken together, our results demonstrate that enhanced lysosomal degradation is an important regulator of qNSC maintenance.


Assuntos
Giro Denteado/metabolismo , Endossomos/metabolismo , Lisossomos/metabolismo , Células-Tronco Neurais/metabolismo , Células-Tronco Adultas/metabolismo , Animais , Fatores de Transcrição de Zíper de Leucina e Hélice-Alça-Hélix Básicos/genética , Receptores ErbB/metabolismo , Camundongos , Camundongos Knockout , Proteólise , Proteostase , Receptores Notch/metabolismo
9.
Eur J Nutr ; 58(3): 989-996, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-29330659

RESUMO

PURPOSE: The purpose of this study was to evaluate acute effects of coffee with a high content of chlorogenic acids and different hydroxyhydroquinone contents on postprandial endothelial dysfunction. METHODS: This was a single-blind, randomized, placebo-controlled, crossover-within-subject clinical trial. A total of 37 patients with borderline or stage 1 hypertension were randomized to two study groups. The participants consumed a test meal with a single intake of the test coffee. Subjects in the Study 1 group were randomized to single intake of coffee with a high content of chlorogenic acids and low content of hydroxyhydroquinone or coffee with a high content of chlorogenic acids and a high content of hydroxyhydroquinone with crossover. Subjects in the Study 2 group were randomized to single intake of coffee with a high content of chlorogenic acids and low content of hydroxyhydroquinone or placebo coffee with crossover. Endothelial function assessed by flow-mediated vasodilation and plasma concentration of 8-isoprostanes were measured at baseline and at 1 and 2 h after coffee intake. RESULTS: Compared with baseline values, single intake of coffee with a high content of chlorogenic acids and low content of hydroxyhydroquinone, but not coffee with a high content of chlorogenic acids and high content of hydroxyhydroquinone or placebo coffee, significantly improved postprandial flow-mediated vasodilation and decreased circulating 8-isoprostane levels. CONCLUSIONS: These findings suggest that a single intake of coffee with a high content of chlorogenic acids and low content of hydroxyhydroquinone is effective for improving postprandial endothelial dysfunction. CLINICAL TRIAL REGISTRATION: URL for Clinical Trial: https://upload.umin.ac.jp ; Registration Number for Clinical Trial: UMIN000013283.


Assuntos
Ácido Clorogênico/farmacologia , Café , Endotélio Vascular/efeitos dos fármacos , Hidroquinonas/farmacologia , Hipertensão/dietoterapia , Estudos Cross-Over , Endotélio Vascular/fisiopatologia , Feminino , Humanos , Hipertensão/fisiopatologia , Masculino , Pessoa de Meia-Idade , Período Pós-Prandial , Método Simples-Cego
10.
J Am Heart Assoc ; 7(14)2018 07 12.
Artigo em Inglês | MEDLINE | ID: mdl-30005558

RESUMO

BACKGROUND: The usefulness of vascular function tests for management of patients with a history of coronary artery disease is not fully known. METHODS AND RESULTS: We measured flow-mediated vasodilation (FMD) and brachial-ankle pulse wave velocity (baPWV) in 462 patients with coronary artery disease for assessment of the predictive value of FMD and baPWV for future cardiovascular events in a prospective multicenter observational study. The first primary outcome was coronary events, and the second primary outcome was a composite of coronary events, stroke, heart failure, and sudden death. During a median follow-up period of 49.2 months, the first primary outcome occurred in 56 patients and the second primary outcome occurred in 66 patients. FMD above the cutoff value of 7.1%, derived from receiver-operator curve analyses for the first and second primary outcomes, was significantly associated with lower risk of the first (hazard ratio, 0.27; 95% confidence interval, 0.06-0.74; P=0.008) and second (hazard ratio, 0.32; 95% confidence interval, 0.09-0.79; P=0.01) primary outcomes. baPWV above the cutoff value of 1731 cm/s was significantly associated with higher risk of the first (hazard ratio, 1.86; 95% confidence interval, 1.01-3.44; P=0.04) and second (hazard ratio, 2.19; 95% confidence interval, 1.23-3.90; P=0.008) primary outcomes. Among 4 groups stratified according to the combination of cutoff values of FMD and baPWV, stepwise increases in the calculated risk ratio for the first and second primary outcomes were observed. CONCLUSIONS: In patients with coronary artery disease, both FMD and baPWV were significant predictors of cardiovascular events. The combination of FMD and baPWV provided further cardiovascular risk stratification. CLINICAL TRIAL REGISTRATION: URL: www.umin.ac.jp. Unique identifier: UMIN000012950.


Assuntos
Doença da Artéria Coronariana/fisiopatologia , Morte Súbita Cardíaca/epidemiologia , Insuficiência Cardíaca/epidemiologia , Acidente Vascular Cerebral/epidemiologia , Rigidez Vascular/fisiologia , Idoso , Artéria Braquial/diagnóstico por imagem , Doenças Cardiovasculares , Doença da Artéria Coronariana/epidemiologia , Endotélio Vascular/fisiopatologia , Feminino , Humanos , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Prognóstico , Modelos de Riscos Proporcionais , Estudos Prospectivos , Análise de Onda de Pulso , Medição de Risco , Vasodilatação
11.
Int J Cardiol ; 260: 178-183, 2018 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-29622435

RESUMO

BACKGROUND: Although reactive hyperemia-peripheral arterial tonometry (RH-PAT) is widely used for assessment of endothelial function, RH index (RHI) cannot be measured in some cases when pulse wave amplitude (PWA) is very low. Decrease in PWA is mainly caused by proper palmar digital artery (PPDA) stenosis. The purpose of this study was to evaluate the relationship between PWA measured by RH-PAT and stenosis of the PPDA measured by digital subtraction angiography and to evaluate the limitation of assessment of endothelial function measured by RHI in patients with PPDA stenosis. METHODS: We measured baseline PWA in 51 fingers including the first to third fingers of both hands in 10 patients who had PPDA stenosis and in 66 fingers that were the first fingers of both hands in 33 subjects who had no PPDA stenosis. Severe stenosis was defined as over 75% by lower percent diameter stenosis between two PPDAs in a finger. RESULTS: PWA was significantly correlated with stenosis of the digital artery (r=-0.55; P<0.0001). A PWV value of 300mV was the optimal cut-off value for severe stenosis (sensitivity, 84.0%; specificity, 88.5%). Log RHI was significantly lower in patients with PPDA stenosis than in subjects without PPDA stenosis (0.33±0.27 versus 0.73±0.27, P=0.007). CONCLUSIONS: RH-PAT may be useful for assessment of not only endothelial function but also PPDA stenosis. RHI may be underestimated in patients with PPDA stenosis. We should pay attention to low baseline PWA when measuring RHI. CLINICAL TRIAL REGISTRATION INFORMATION: URL for clinical trial: http://UMIN; registration number for clinical trial: UMIN000003409.


Assuntos
Endotélio Vascular/diagnóstico por imagem , Hiperemia/diagnóstico por imagem , Manometria/métodos , Doença Arterial Periférica/diagnóstico por imagem , Artéria Ulnar/diagnóstico por imagem , Adulto , Idoso , Angiografia Digital/métodos , Constrição Patológica/diagnóstico por imagem , Constrição Patológica/fisiopatologia , Endotélio Vascular/fisiologia , Feminino , Humanos , Hiperemia/fisiopatologia , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/fisiopatologia , Artéria Ulnar/fisiopatologia
12.
Int J Cardiol ; 261: 196-203, 2018 06 15.
Artigo em Inglês | MEDLINE | ID: mdl-29657043

RESUMO

BACKGROUND: Lower urinary tract symptoms (LUTS) is not only common symptoms in elderly men and women but also risk of future cardiovascular events. The purpose of this study was to evaluate the relationships of vascular function and structure with LUTS in men and women. METHODS: We investigated flow-mediated vasodilation (FMD) and nitroglycerine-induced vasodilation (NID) as vascular function, brachial-ankle pulse wave velocity (baPWV) as vascular structure, and LUTS assessed by International Prostate Symptom Score (IPSS) in 287 men and 147 women. RESULTS: IPSS was significantly correlated with traditional cardiovascular risk factors, Framingham risk score, FMD, NID and baPWV. Moderate to severe LUTS was associated with the prevalence of coronary heart disease in men but not in women. In men, FMD and NID were significantly lower in the moderate to severe LUTS group than in the none to mild LUTS group (2.1 ±â€¯2.0% vs. 4.0 ±â€¯3.0% and 9.3 ±â€¯6.1% vs. 12.8 ±â€¯6.6%, P < 0.001, respectively). baPWV was significantly higher in the moderate to severe LUTS group than in the none to mild LUTS group (1722 ±â€¯386 cm/s vs. 1509 ±â€¯309 cm/s, P < 0.001). In multivariate analysis, FMD was independently associated with a decrease in the odds ratio of moderate to severe LUTS in men (OR: 0.83, 95% CI, 0.72-0.95; P = 0.008) but not in women. NID and baPWV were not independently associated with moderate to severe LUTS either in men or women. CONCLUSIONS: These findings suggest that endothelial dysfunction is associated with LUTS in men. LUTS in men may be useful for a predictor of cardiovascular events. CLINICAL TRIAL REGISTRATION INFORMATION: URL for Clinical Trial: http://UMIN; Registration Number for Clinical Trial: UMIN000003409.


Assuntos
Endotélio Vascular/fisiopatologia , Sintomas do Trato Urinário Inferior/diagnóstico , Sintomas do Trato Urinário Inferior/fisiopatologia , Caracteres Sexuais , Doenças Vasculares/diagnóstico , Doenças Vasculares/fisiopatologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Velocidade do Fluxo Sanguíneo/fisiologia , Estudos Transversais , Feminino , Humanos , Sintomas do Trato Urinário Inferior/epidemiologia , Masculino , Pessoa de Meia-Idade , Nitroglicerina/farmacologia , Doenças Vasculares/epidemiologia , Vasodilatação/efeitos dos fármacos , Vasodilatação/fisiologia
13.
Int J Cardiol ; 254: 284-290, 2018 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-29407110

RESUMO

BACKGROUNDS: Nitroglycerine-induced vasodilation (NID) is usually assessed as a control test for flow-mediated vasodilation (FMD). However, NID per se is impaired in patients with high cardiovascular risk. The purpose of this study was to investigate the associations of chronic kidney disease (CKD) with NID and FMD. METHODS: We measured NID and FMD in a total of 1567 adult subjects without end-stage renal disease (ESRD), 28% of whom had CKD as judged by measurements of estimated glomerular filtration rate (995 men and 572 women; mean age, 59.0±16.9years; age range, 18 to 92years). RESULTS: NID was significantly smaller in patients with CKD than in those without CKD (10.8±6.0% vs. 12.7±5.7%, P<0.001). The prevalence of vascular smooth muscle dysfunction, defined as NID of less than the division point for the lowest quartile, was significantly higher in patients with CKD than in those without CKD (37.5% vs. 21.5%, P<0.001). Multivariate analysis revealed that CKD was independently associated with vascular smooth muscle dysfunction (OR: 1.36, 95% CI: 1.02 to 1.81, P=0.04). FMD was significantly smaller in patients with CKD than in those without CKD (3.1±2.8% vs. 4.0±3.0%, P<0.001). The prevalence of endothelial dysfunction, defined as FMD of less than the division point for the lowest quartile, was significantly higher in patients with CKD than in those without CKD (31.7% vs. 23.1%, P=0.002). However, CKD was not independently associated with endothelial dysfunction in an age- and sex-adjusted model (OR: 0.95, 95% CI: 0.71 to 1.26, P=0.72). CONCLUSIONS: Non-ESRD CKD is independently associated with vascular smooth muscle dysfunction but not with endothelial dysfunction.


Assuntos
Endotélio Vascular/fisiologia , Músculo Liso Vascular/fisiopatologia , Insuficiência Renal Crônica/fisiopatologia , Vasodilatação/fisiologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/uso terapêutico , Endotélio Vascular/efeitos dos fármacos , Feminino , Taxa de Filtração Glomerular/efeitos dos fármacos , Taxa de Filtração Glomerular/fisiologia , Humanos , Masculino , Pessoa de Meia-Idade , Músculo Liso Vascular/efeitos dos fármacos , Insuficiência Renal Crônica/diagnóstico , Insuficiência Renal Crônica/tratamento farmacológico , Vasodilatação/efeitos dos fármacos , Adulto Jovem
14.
Atherosclerosis ; 268: 92-98, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29195110

RESUMO

BACKGROUND AND AIMS: Baseline brachial artery (BBA) diameter has been reported to be a potential confounding factor of flow-mediated vasodilation (FMD). The purpose of this study was to evaluate the relationships between BBA diameter and cardiovascular risk factors and compare the diagnostic accuracy of BBA diameter in subjects without cardiovascular risk factors and patients with cardiovascular disease (CVD) with that of FMD. METHODS: We measured BBA diameter and FMD in 5695 male subjects. In addition, we retrospectively investigated the incidence of cardiovascular events using another population sample consisting of 440 male subjects, to compare the accuracy of BBA diameter with that of FMD in predicting cardiovascular events. RESULTS: BBA diameter and FMD significantly correlated with age, body mass index, systolic blood pressure, diastolic blood pressure, triglycerides, high-density lipoprotein cholesterol, and glucose as well as Framingham risk score. The prevalence of cardiovascular risk factors and CVD increased with the increase in BBA diameter and FMD. Area under the curve (AUC) value of the receiver operating characteristic (ROC) curve for BBA diameter to diagnose subjects without cardiovascular risk factors (0.59 vs. 0.62, p = 0.001) or patients with CVD (0.58 vs. 0.64, p < 0.001) was significantly lower than that for FMD. In the retrospective study, the AUC value of the ROC curve for BBA diameter to predict first major cardiovascular events was significantly lower than that of FMD (0.50 vs. 0.62, p = 0.03). CONCLUSIONS: In men, BBA diameter was inferior to FMD for assessment of cardiovascular risk.


Assuntos
Artéria Braquial/fisiopatologia , Doenças Cardiovasculares/epidemiologia , Vasodilatação , Adulto , Idoso , Artéria Braquial/diagnóstico por imagem , Doenças Cardiovasculares/diagnóstico por imagem , Doenças Cardiovasculares/fisiopatologia , Estudos Transversais , Humanos , Incidência , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Prevalência , Prognóstico , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores Sexuais , Ultrassonografia
15.
J Am Heart Assoc ; 7(1)2017 12 29.
Artigo em Inglês | MEDLINE | ID: mdl-29288158

RESUMO

BACKGROUND: Flow-mediated vasodilation (FMD) of the brachial artery has been used for the assessment of endothelial function. Considering the mechanism underlying the vasodilatory response of the brachial artery to reactive hyperemia, hyperemic shear stress (HSS), a stimulus for FMD; nitroglycerine-induced vasodilation (NID), an index of endothelium-independent vasodilation; and baseline brachial artery diameter (BAD) are also involved in vasodilatory response. The purpose of this study was to investigate the interrelationships among FMD, HSS, NID, baseline BAD, and cardiovascular risk factors. METHODS AND RESULTS: We measured FMD, HSS, NID, and baseline BAD simultaneously in 1033 participants (633 men and 400 women; mean age: 58.6±17.0 years). Framingham risk score was negatively correlated with FMD, HSS, and NID and was positively correlated with baseline BAD. HSS and NID were positively correlated with FMD, and baseline BAD was negatively correlated with FMD. In participants with normal NID, FMD was correlated with HSS, NID, and baseline BAD, all of which were independent variables of FMD in multivariate analysis. In participants with impaired NID, FMD was correlated with NID and baseline BAD, both of which were independent variables of FMD in multivariate analysis, but there was no association between FMD and HSS. CONCLUSIONS: NID and baseline BAD were independent variables of FMD regardless of the status of endothelium-independent vasodilation, whereas there was a significant association between FMD and HSS in participants with normal NID but not in those with impaired NID. The influence of HSS on FMD seems to be dependent on the status of endothelium-independent vasodilation.


Assuntos
Artéria Braquial/fisiologia , Hiperemia/fisiopatologia , Nitroglicerina/farmacologia , Estresse Mecânico , Vasodilatação/efeitos dos fármacos , Vasodilatadores/farmacologia , Adulto , Idoso , Velocidade do Fluxo Sanguíneo , Artéria Braquial/fisiopatologia , Doenças Cardiovasculares , Endotélio Vascular/fisiologia , Endotélio Vascular/fisiopatologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Fatores de Risco
16.
Sci Rep ; 7(1): 8422, 2017 08 21.
Artigo em Inglês | MEDLINE | ID: mdl-28827781

RESUMO

We investigated (1) the relationship between low-density lipoprotein cholesterol (LDL-C) and vascular function in patients receiving and those not receiving statin therapy and (2) optimal level of LDL-C for maintenance of vascular function. Flow-mediated vasodilation (FMD) and nitroglycerine-induced vasodilation (NID) were inversely correlated with LDL-C in the 957 statin naïve subjects but not in the 392 subjects receiving statin therapy. In statin naïve subjects, non-high LDL-C (≤100 mg/dL) was independently associated with a decrease in adjusted odds ratio of the low tertile of FMD (OR: 0.62, 95% CI: 0.45-0.85; P = 0.003) and NID (OR: 0.69, 95% CI: 0.50-0.96; P = 0.03). Adjusted odds ratio of the low tertile of FMD was significantly lower in the low LDL-C group (≤70 mg/dL) (OR: 0.47, 95% CI, 0.27-0.81; P = 0.006) and in the moderate LDL-C group (70.1-100 mg/dL) (OR: 0.66, 95% CI, 0.48-0.94; P = 0.02) than in the high LDL-C group (>100 mg/dL). There was no significant difference in FMD between the low LDL-C group and moderate LDL-C group. There were significant relationships of FMD and NID with LDL-C levels in statin naïve subjects. In a general population, LDL-C of ≤100 mg/dL may be the optimal target level for maintenance of endothelial function.


Assuntos
Anticolesterolemiantes/uso terapêutico , Vasos Sanguíneos/fisiologia , LDL-Colesterol/sangue , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Vasodilatação , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
17.
Hypertension ; 70(4): 790-797, 2017 10.
Artigo em Inglês | MEDLINE | ID: mdl-28808069

RESUMO

Hypertension is associated with endothelial dysfunction. Blood pressure significantly correlates with endothelial function in antihypertensive drug-naive subjects. The purpose of this study was to determine whether treatment status affects the relationship between blood pressure and endothelial function. We measured flow-mediated vasodilation (FMD) in 2297 subjects, including 1822 antihypertensive drug-naive subjects and 475 treated hypertensive patients. FMD significantly decreased in relation to increase in systolic blood pressure (8.2±3.1% in subjects with systolic blood pressure of <120 mm Hg, 7.5±2.8% for 120-129 mm Hg, 7.1±2.8% for 130-139 mm Hg, and 6.7±2.6% for ≥140 mm Hg; P<0.001). Systolic blood pressure was independently associated with FMD in untreated subjects. In contrast, there was no significant relationship between systolic blood pressure and FMD in treated hypertensive patients (4.6±3.1% in treated hypertensives with systolic blood pressure of <120 mm Hg, 4.8±2.7% for 120-129 mm Hg, 4.9±2.8% for 130-139 mm Hg, and 4.5±2.3% for ≥140 mm Hg; P=0.77). Propensity score matching analysis revealed that the prevalence of endothelial dysfunction defined as FMD of less than the division point for the lowest tertile, and the middle tertile of FMD was significantly higher in treated hypertensive patients than in untreated subjects in all systolic blood pressure categories. Endothelial function assessed by FMD was impaired regardless of the level of blood pressure achieved by antihypertensive drug treatment in hypertensive patients.


Assuntos
Anti-Hipertensivos , Endotélio Vascular , Hipertensão , Vasodilatação/efeitos dos fármacos , Adulto , Idoso , Anti-Hipertensivos/farmacologia , Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/efeitos dos fármacos , Pressão Sanguínea/fisiologia , Determinação da Pressão Arterial/métodos , Endotélio Vascular/efeitos dos fármacos , Endotélio Vascular/fisiopatologia , Feminino , Humanos , Hipertensão/diagnóstico , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Hipertensão/fisiopatologia , Japão/epidemiologia , Masculino , Conduta do Tratamento Medicamentoso/estatística & dados numéricos , Pessoa de Meia-Idade
18.
Jpn J Clin Oncol ; 47(9): 840-843, 2017 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-28633504

RESUMO

BACKGROUND: The three-drug combination of a 5-hydroxytryptamine type 3 receptor antagonist, a neurokinin 1 receptor antagonist and dexamethasone is recommended for patients receiving highly emetogenic chemotherapy. However, standard antiemetic therapy is not completely effective in all patients. METHODS: We conducted an open-label, single-center, single-arm Phase II study to evaluate the efficacy of olanzapine in combination with standard antiemetic therapy in preventing chemotherapy-induced nausea and vomiting in patients with thoracic malignancy receiving their first cycle of cisplatin-based chemotherapy. Patients received 5 mg oral olanzapine on Days 1-5 in combination with standard antiemetic therapy. The primary endpoint was complete response (no vomiting and no use of rescue therapy) during the overall Phase (0-120 h post-chemotherapy). RESULTS: Twenty-three men and seven women were enrolled between May and October 2015. The median age was 64 years (range: 36-75 years). The most common chemotherapy regimen was 75 mg/m2 cisplatin and 500 mg/m2 pemetrexed, which was administered to 14 patients. Complete response rates in acute (0-24 h post-chemotherapy), delayed (24-120 h post-chemotherapy) and overall phases were 100%, 83% and 83% (90% confidence interval: 70-92%; 95% confidence interval: 66-93%), respectively. There were no Grade 3 or Grade 4 adverse events. Although four patients (13%) experienced Grade 1 somnolence, no patients discontinued olanzapine. CONCLUSIONS: The addition of 5 mg oral olanzapine to standard antiemetic therapy demonstrates promising efficacy in preventing cisplatin-based chemotherapy-induced nausea and vomiting and an acceptable safety profile in patients with thoracic malignancy.


Assuntos
Antieméticos/uso terapêutico , Benzodiazepinas/uso terapêutico , Cisplatino/efeitos adversos , Dexametasona/uso terapêutico , Isoquinolinas/uso terapêutico , Morfolinas/uso terapêutico , Náusea/tratamento farmacológico , Quinuclidinas/uso terapêutico , Neoplasias Torácicas/complicações , Vômito/tratamento farmacológico , Adulto , Idoso , Antieméticos/administração & dosagem , Antineoplásicos/uso terapêutico , Aprepitanto , Benzodiazepinas/administração & dosagem , Benzodiazepinas/farmacologia , Dexametasona/administração & dosagem , Dexametasona/farmacologia , Feminino , Humanos , Isoquinolinas/administração & dosagem , Isoquinolinas/farmacologia , Masculino , Pessoa de Meia-Idade , Morfolinas/administração & dosagem , Morfolinas/farmacologia , Náusea/induzido quimicamente , Olanzapina , Palonossetrom , Quinuclidinas/administração & dosagem , Quinuclidinas/farmacologia , Neoplasias Torácicas/tratamento farmacológico , Vômito/induzido quimicamente
19.
Am J Cardiol ; 119(12): 1983-1988, 2017 06 15.
Artigo em Inglês | MEDLINE | ID: mdl-28438303

RESUMO

The presence of an earlobe crease (ELC) may be a simple sign to predict atherosclerosis. We evaluated the relation between ELC and vascular function. We measured flow-mediated vasodilation (FMD) and nitroglycerine-induced vasodilation (NID) and observed bilateral earlobes in 400 consecutive subjects. At first, the subjects were divided into 3 groups: non-ELC group, unilateral ELC group, and bilateral ELC group. FMD and NID were significantly lower in the unilateral and bilateral ELC groups than those in the non-ELC group. After adjustment of cardiovascular risk factors, bilateral ELC, but not unilateral ELC, was associated with lower FMD and lower NID. We also investigated whether an increase in the number of ELCs worsens endothelial function, whether the difference in ELC structure (cross stripes and/or ramification) affects endothelial function, and whether endothelial function is impaired in subjects with superficial wrinkles depending on age. The number of ELCs, shape of the ELC, and superficial wrinkles were not associated with endothelial dysfunction. In conclusion, these findings suggest that the presence of bilateral ELCs is associated with vascular dysfunction.


Assuntos
Aterosclerose/fisiopatologia , Orelha Externa , Endotélio Vascular/fisiopatologia , Vasodilatação/fisiologia , Idoso , Aterosclerose/epidemiologia , Aterosclerose/metabolismo , Feminino , Humanos , Incidência , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco
20.
Int J Cardiol ; 241: 30-34, 2017 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-28341376

RESUMO

BACKGROUND: Periodontal disease is associated with endothelial dysfunction, leading to cardiovascular disease. The effect of detailed tooth brushing behavior, not only frequency but also duration of tooth brushing, on endothelial function is unclear. The purpose of this study was to evaluate the relationships of detailed methods of tooth brushing with vascular function. METHODS: We evaluated flow-mediated vasodilation (FMD), nitroglycerine-induced vasodilation, and frequency and duration of tooth brushing in 896 subjects. We divided the subjects into three groups according to the frequency and duration of tooth brushing: low frequency and short duration group (

Assuntos
Artéria Braquial/fisiopatologia , Endotélio Vascular/fisiopatologia , Escovação Dentária/métodos , Vasodilatação/fisiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Fluxometria por Laser-Doppler/métodos , Masculino , Pessoa de Meia-Idade , Saúde Bucal/normas , Fatores de Risco , Fatores de Tempo , Escovação Dentária/normas
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