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1.
Hum Reprod ; 31(9): 2051-60, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-27301362

RESUMEN

STUDY QUESTION: What are the effects of fertility education on knowledge, childbearing desires and anxiety? SUMMARY ANSWER: Providing fertility information contributed to greater knowledge, but increased anxiety. WHAT IS KNOWN ALREADY: Past studies have found that exposure to educational material improved fertility awareness and changed desires toward childbearing and its timing. Existing educational websites with evidence-based medical information provided in a non-judgmental manner have received favorable responses from reproductive-aged men and women. STUDY DESIGN, SIZE, DURATION: This three-armed (one intervention and two control groups), randomized controlled trial was conducted using online social research panels (SRPs) in Japan in January 2015. PARTICIPANTS/MATERIALS, SETTING, METHODS: A total of 1455 participants (726 men and 729 women) between 20 and 39 years of age who hoped to have (more) children in the future were block-randomized and exposed to one of three information brochures: fertility education (intervention group), intake of folic acid during pregnancy (control group 1) or governmental financial support for pregnancy and childbirth (control group 2). Fertility knowledge was measured with the Japanese version of the Cardiff Fertility Knowledge Scale (CFKS-J). Knowledge, child-number and child-timing desires, subjective anxiety (i.e. whether participants felt anxiety [primary outcome]), and scores on the State-Trait Anxiety Inventory were assessed immediately after exposure. Non-inferiority comparisons were performed on subjective anxiety with non-inferiority declared if the upper limit of the two-sided 95% confidence interval (CI) for risk difference did not exceed a margin of 0.15. This test for non-inferiority was only performed for subjective anxiety; all the other variables were tests of superiority. MAIN RESULTS AND THE ROLE OF CHANCE: Posttest scores on the CFKS-J (mean, SD) were higher in the intervention group than that of the control groups: intervention versus Control 1 and versus Control 2: 52.8 (28.8) versus 40.9 (26.2) (P< 0.001) versus 45.1 (27.1) (P = 0.003) among men and 64.6 (26.0) versus 50.8 (26.9) (P< 0.001) versus 53.0 (26.4) (P< 0.001) among women.The percentage of participants who felt subjective anxiety after exposure to the intervention brochure was significantly higher than that of the control groups: intervention versus Control 1 and versus Control 2: 32.6 versus 17.8% (risk difference [RD] = 0.149, 95% CI: 0.073-0.225) versus 14.5% (RD = 0.182, 95% CI: 0.108-0.256) among men, and 50.2 versus 26.3% (RD = 0.239, 95% CI: 0.155-0.322) versus 14.0% (RD = 0.362, 95% CI: 0.286-0.439) among women. Non-inferiority of the intervention was inconclusive (i.e. the CI included 0.15) among men whereas inferiority was declared among women. The incidence of anxiety was higher in the intervention group than that of the control groups especially among men aged 30 and older and among women aged 25 and older. No difference existed in childbearing desires between groups after exposure. LIMITATIONS, REASONS FOR CAUTION: The possibility of selection bias associated with the use of SRPs (higher socioeconomic status and education) and volunteer bias toward those more interested in fertility may limit the generalizability of these findings. WIDER IMPLICATIONS OF THE FINDINGS: In addition to education targeting a younger generation, psychological approaches are needed to alleviate possible anxiety caused by fertility information. STUDY FUNDING/COMPETING INTERESTS: This study was funded by National Center for Child Health and Development, Seiiku Medical Study Grant (24-6), the Daiwa Foundation Small Grants and Grant-in-Aid for JSPS Fellows (26-1591). No competing interest declared. TRIAL REGISTRATION NUMBER: UMIN Clinical Trials Registry. Trial registration number, 000016168. TRIAL REGISTRATION DATE: 13 January 2015. DATE OF FIRST PATIENT'S ENROLMENT: 15 January 2015.


Asunto(s)
Emociones , Servicios de Planificación Familiar , Fertilidad , Educación en Salud , Conocimientos, Actitudes y Práctica en Salud , Ansiedad/psicología , Femenino , Humanos , Japón , Masculino , Adulto Joven
2.
Eur J Neurol ; 20(6): 921-7, 2013 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-23398285

RESUMEN

BACKGROUND AND PURPOSE: Although stroke patients with diabetes mellitus have a poor prognosis, the prognostic factors of patients with diabetes mellitus have not been adequately studied. The aim of this study was to determine the predisposing factors for outcome 1 year after stroke in diabetic patients. METHODS: Patients' characteristics, findings on admission and outcome 1 year after first ischaemic stroke were prospectively investigated in 452 consecutive patients with diabetes mellitus (305 males, 147 females; 69 ±â€…10 years old). A poor outcome was defined as a modified Rankin Scale (mRS) score ≥ 2, 1 year after stroke onset. RESULTS: There were 286 patients with a good outcome (mRS score ≤ 1) and 166 with a poor outcome (mRS score ≥ 2). On multivariate logistic regression analysis, age [odds ratio (OR) 1.06, 95% confidence interval (CI) 1.03-1.10, P < 0.001, per 1-year increase], National Institutes of Health Stroke Scale (NIHSS) score on admission (OR 1.21, 95% CI 1.11-1.32, P < 0.001, per 1-point increase), diabetic nephropathy (OR 1.93, 95% CI 1.02-3.65, P = 0.044) and hemoglobin A1c (HbA1c; OR 1.27, 95% CI 1.07-1.51, P = 0.007, per 1% increase) were independently related to poor outcome (mRS score ≥ 2) 1 year after the onset of the first stroke in diabetic patients. CONCLUSIONS: In stroke patients with diabetes mellitus, age, NIHSS score on admission, diabetic nephropathy and HbA1c were independently associated with a poor outcome 1 year after the first ischaemic stroke.


Asunto(s)
Diabetes Mellitus/diagnóstico , Diabetes Mellitus/epidemiología , Sistema de Registros , Accidente Cerebrovascular/diagnóstico , Accidente Cerebrovascular/epidemiología , Anciano , Anciano de 80 o más Años , Diabetes Mellitus/terapia , Femenino , Estudios de Seguimiento , Humanos , Japón/epidemiología , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Factores de Riesgo , Accidente Cerebrovascular/terapia , Resultado del Tratamiento
3.
J Sports Med Phys Fitness ; 52(2): 212-20, 2012 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-22525659

RESUMEN

AIM: The aim of this study was to assess the effects of long-term physical exercise on peripheral nerve using both nerve conduction study (NCS) and ultrasonography (US). METHODS: The authors measured nerve conduction study and ultrasonography in 15 male (mean, 20±1.5 years) handball players and 13 male (mean, 21.3±1.9 years) control subjects. Cross-sectional area of the median nerve was evaluated using ultrasonography at the carpal tunnel and 6 cm proximal to the wrist, and the ulnar nerve at 6 cm proximal to the wrist crease, 2 cm proximal to the medial epicondyle, the epicondyle, and 2 cm distal to epicondyle. RESULTS: US shows significantly increased cross-sectional area of both median and ulnar nerve in the players compared with that in the controls, and the latency times in both nerves were significantly delayed in the players compared with that in the controls. Cross-sectional area of the median nerve showed a significant correlation with latency (r=0.330, P<0.01). CONCLUSION: This study suggests that the players have a tendency toward having both median and ulnar motor nerve damage in the wrist or elbow region although they are asymptomatic.


Asunto(s)
Ejercicio Físico/fisiología , Nervio Mediano/diagnóstico por imagen , Nervio Mediano/fisiología , Conducción Nerviosa , Nervio Cubital/diagnóstico por imagen , Nervio Cubital/fisiología , Adolescente , Adulto , Humanos , Masculino , Deportes/fisiología , Factores de Tiempo , Ultrasonografía , Adulto Joven
4.
AJNR Am J Neuroradiol ; 43(5): 696-700, 2022 05.
Artículo en Inglés | MEDLINE | ID: mdl-35450854

RESUMEN

BACKGROUND AND PURPOSE: Noninvasive perfusion-weighted imaging with short scanning time could be advantageous in order to determine presumed penumbral regions and subsequent treatment strategy for acute ischemic stroke (AIS). Our aim was to evaluate interobserver agreement and the clinical utility of intravoxel incoherent motion MR imaging in patients with acute ischemic stroke. MATERIALS AND METHODS: We retrospectively studied 29 patients with AIS (17 men, 12 women; mean age, 75.2 [SD, 12.0 ] years; median, 77 years). Each patient underwent intravoxel incoherent motion MR imaging using a 1.5T MR imaging scanner. Diffusion-sensitizing gradients were applied sequentially in the x, y, and z directions with 6 different b-values (0, 50, 100, 150, 200, and 1000 seconds/mm2). From the intravoxel incoherent motion MR imaging data, diffusion coefficient, perfusion fraction, and pseudodiffusion coefficient maps were obtained using a 2-step fitting algorithm based on the Levenberg-Marquardt method. The presence of decreases in the intravoxel incoherent motion perfusion fraction and pseudodiffusion coefficient values compared with the contralateral normal-appearing brain was graded on a 2-point scale by 2 independent neuroradiologists. Interobserver agreement on the rating scale was evaluated using the κ statistic. Clinical characteristics of patients with a nondecreased intravoxel incoherent motion perfusion fraction and/or pseudodiffusion coefficient rated by the 2 observers were also assessed. RESULTS: Interobserver agreement was shown for the intravoxel incoherent motion perfusion fraction (κ = 0.854) and pseudodiffusion coefficient (κ = 0.789) maps, which indicated almost perfect and substantial agreement, respectively. Patients with a nondecreased intravoxel incoherent motion perfusion fraction tended to show recanalization of the occluded intracranial arteries more frequently than patients with a decreased intravoxel incoherent motion perfusion fraction. CONCLUSIONS: Intravoxel incoherent motion MR imaging could be performed in < 1 minute in addition to routine DWI. Intravoxel incoherent motion parameters noninvasively provide feasible, qualitative perfusion-related information for assessing patients with acute ischemic stroke.


Asunto(s)
Accidente Cerebrovascular Isquémico , Anciano , Imagen de Difusión por Resonancia Magnética/métodos , Femenino , Humanos , Accidente Cerebrovascular Isquémico/diagnóstico por imagen , Masculino , Movimiento (Física) , Reproducibilidad de los Resultados , Estudios Retrospectivos
5.
Eur J Neurol ; 15(5): 481-6, 2008 May.
Artículo en Inglés | MEDLINE | ID: mdl-18394047

RESUMEN

BACKGROUND AND PURPOSE: Sorbin and SH3-domain-containing-1 (SORBS1) is an important adaptor protein in insulin-signalling pathway, and its genetic polymorphism may regulate the activity of insulin resistance. We investigated the association between the SORBS1 T228A polymorphism and ischaemic stroke. METHODS: Genotyping was achieved by a rapid-cycle PCR and melting curve analysis using fluorescent probes in 1049 incident cases of ischaemic stroke and 1049 age- and sex-matched control subjects recruited from the Hisayama study. RESULTS: The allele distributions of the SORBS1 T228A polymorphism were similar amongst cases and controls. The multivariate-adjusted odds ratio (OR) of the AA genotype for ischaemic stroke was 2.897 (95% CI, 0.907-8.018) compared with the TT genotype. In terms of stroke subtype, there was a trend toward a difference in the AA genotypes for lacunar infarction, compared with the TT genotype (OR = 8.740, P = 0.0510), and combined TT and TA genotypes (OR = 8.768, P = 0.0505). The other polymorphisms genotyped were not associated with any subtypes of ischaemic stroke. T228A polymorphism of SORBS1 was not associated with the prevalence of diabetes. CONCLUSIONS: The AA genotype of SORBS1 T228A polymorphism may play a role in lacunar infarction in the Japanese population.


Asunto(s)
Infarto Encefálico/epidemiología , Infarto Encefálico/genética , Predisposición Genética a la Enfermedad , Proteínas de Microfilamentos/genética , Polimorfismo Genético , Anciano , Infarto Encefálico/clasificación , Estudios de Casos y Controles , Estudios de Cohortes , Femenino , Frecuencia de los Genes , Genotipo , Humanos , Japón/epidemiología , Japón/etnología , Masculino , Persona de Mediana Edad , Oportunidad Relativa , Sistema de Registros , Estudios Retrospectivos , Riesgo , Factores de Riesgo
6.
Eur J Neurol ; 14(10): 1091-7, 2007 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-17880563

RESUMEN

The C242T polymorphism of p22phox, a component of NAD(P)H oxidase, may have an impact on cardiovascular diseases; however, the association between this polymorphism and brain infarction is not fully understood. Here, we investigate the relationship between the C242T polymorphism and brain infarction in Japan. We recruited 1055 patients with brain infarction and 1055 control subjects. A chi-squared test revealed that the T-allele frequency was lower in patients with cardioembolic infarction (5.6%) than in control subjects (11.0%, P < 0.001); however, allele frequencies in patients with lacunar and atherothrombotic infarction (11.2%) were not significantly different from those in control subjects (11.0%). A multivariate-adjusted conditional logistic regression analysis also revealed no association between CT + TT genotype, and lacunar and atherothrombotic infarction (odds ratio = 0.97, 95% confidence interval: 0.72-1.32). To investigate the functional effects of the C242T polymorphism, we examined superoxide production in COS-7 cells cotransfected with Nox4 and p22phox of each genotype. The superoxide-producing activity in those cells expressing p22phox with the T allele was not significantly different from that in cells expressing p22phox with the C allele. The present results suggest that the p22phox C242T polymorphism may have a protective effect against cardioembolic infarction, but is not related to lacunar and atherothrombotic infarction in Japan.


Asunto(s)
Isquemia Encefálica/enzimología , Isquemia Encefálica/genética , NADPH Oxidasas/genética , Polimorfismo Genético/genética , Sistema de Registros , Accidente Cerebrovascular/enzimología , Accidente Cerebrovascular/genética , Anciano , Anciano de 80 o más Años , Animales , Isquemia Encefálica/epidemiología , Células COS , Infarto Cerebral/enzimología , Infarto Cerebral/epidemiología , Infarto Cerebral/genética , Chlorocebus aethiops , Femenino , Frecuencia de los Genes/genética , Humanos , Japón/epidemiología , Masculino , Persona de Mediana Edad , Accidente Cerebrovascular/epidemiología
7.
Bone Marrow Transplant ; 37(4): 425-31, 2006 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-16400344

RESUMEN

Neoplasms of natural killer (NK)-lineage are rare. Their prognosis is generally poor except for cases of solitary nasal NK-cell lymphoma. The NK-cell Tumor Study Group performed a survey in Japan on patients diagnosed between 1994 and 1998. Of 228 patients selected for analysis, 40 underwent HSCT (15 allografts and 25 autografts). The underlying diseases were myeloid/NK cell precursor acute leukemia (n = 4), blastic NK-cell lymphoma (n = 11), aggressive NK-cell leukemia (n = 3), and nasal-type extranodal NK-cell lymphoma (n = 22). At the time of HSCT, 22 patients were in complete remission (CR), 11 were in relapse, and seven were primary refractory. All patients received myeloablative conditioning regimens including total-body irradiation. Sixteen died of disease progression, and six of treatment-related causes. Overall, 4-year survival was 39% with a median follow-up of 50 months; this was significantly better than that of patients who did not undergo HSCT (21%, P = 0.0003). For patients transplanted in CR, the 4-year overall survival was 68%, which was significantly better than that of patients who went into CR but did not undergo HSCT (P = 0.03). These findings suggest that the HSCT is a promising treatment strategy for NK-cell lineage.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Células Asesinas Naturales/patología , Leucemia/terapia , Linfoma/terapia , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Progresión de la Enfermedad , Femenino , Estudios de Seguimiento , Humanos , Lactante , Recién Nacido , Japón , Leucemia/diagnóstico , Leucemia/patología , Linfoma/diagnóstico , Linfoma/patología , Masculino , Persona de Mediana Edad , Pronóstico , Tasa de Supervivencia , Acondicionamiento Pretrasplante , Trasplante Autólogo , Trasplante Homólogo
8.
Leukemia ; 18(4): 763-70, 2004 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-14961041

RESUMEN

Aggressive natural killer-cell leukemia (ANKL) is a rare form of large granular lymphocyte leukemia, which is characterized by a systemic proliferation of NK cells. The clinical features of 22 ANKL cases were analyzed. Hepatomegaly (64%), splenomegaly (55%) and lymphadenopathy (41%) were also frequently observed. Leukemic cells were identified as CD1-, CD2+, surface CD3-, CD4-, CD5-, CD7+, CD8+/-, CD10-, CD11b+/-, CD13-, CD16+, CD19-, CD20-, CD25-, CD33(-), CD34-, CD38+, CD56+, CD122+, HLA-DR+ and TCR-. Two of the 16 cases examined for CD57 were positive and three of the seven cases examined for cytoplasmic CD3. Epstein-Barr virus was detected in the tumor cells of 11 of the 13 cases examined. No common cytogenetic abnormalities were identified and 6q anomaly was detected in only one. Three of 13 patients treated with chemotherapy containing anthracycline/anthraquinone attained complete remission, in contrast to none of the eight who were treated with regimens without anthracycline. Although the overall prognosis was poor with a median survival of 58 days, those who attained remission showed better prognosis (P=0.005). These findings suggest that ANKL is an entity of mature cytotoxic NK-cell neoplasms with distinct phenotype and disease presentations. Intensive treatment for ANKL may result in a better prognosis.


Asunto(s)
Células Asesinas Naturales/patología , Leucemia Linfoide/patología , Adulto , Anciano , Anciano de 80 o más Años , Antraciclinas/uso terapéutico , Antígenos CD/análisis , Antineoplásicos/uso terapéutico , Aberraciones Cromosómicas , Femenino , Herpesvirus Humano 4 , Humanos , Inmunofenotipificación , Leucemia Linfoide/tratamiento farmacológico , Leucemia Linfoide/genética , Leucemia Linfoide/virología , Masculino , Persona de Mediana Edad , Pronóstico , Inducción de Remisión , Estudios Retrospectivos , Análisis de Supervivencia
9.
Kyobu Geka ; 58(10): 893-5, 2005 Sep.
Artículo en Japonés | MEDLINE | ID: mdl-16167816

RESUMEN

Cor triatriatum is a rare congenital cardiac anomaly especially in adulthood. A 68-year-old female was diagnosed as a cor triatriatum classified to Lucas-Schmidt IA, severe degree of mitral regurgitation and atrial fibrillation. Resection of the abnormal diaphragm in the left atrium and miral valve replacement were performed. Although the reason of sudden death of this patient after discharge is unknown, surgical intervention for atrial fibrillation should have performed to prevent a thromboembolism in such cases.


Asunto(s)
Corazón Triatrial/diagnóstico , Anciano , Fibrilación Atrial/complicaciones , Corazón Triatrial/complicaciones , Corazón Triatrial/cirugía , Ecocardiografía , Femenino , Humanos , Imagen por Resonancia Magnética , Insuficiencia de la Válvula Mitral/complicaciones , Tomografía Computarizada por Rayos X
10.
Eur J Trauma Emerg Surg ; 41(5): 531-8, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-26038004

RESUMEN

PURPOSE: Recombinant thrombomodulin (rTM) has been available in Japan since 2008, but there is concern about its association with postoperative hemorrhage. The efficacy and safety of rTM were examined in patients with disseminated intravascular coagulation (DIC) caused by a septic condition after gastrointestinal surgery. METHODS: Forty-two patients were emergently admitted to the intensive care unit after emergent gastrointestinal surgery in Kyushu University Hospital from May 2008 to April 2013. Of these patients, 22 had DIC (defined as an acute DIC score ≥ 4). All but three patients received treatment with gabexate mesylate (GM) (n = 9) or rTM (n = 10). The causes of sepsis were peritonitis with colorectal perforation, anastomotic leakage, and intestinal necrosis. Acute DIC score, sepsis-related organ failure assessment score, platelet count, and a variety of biochemical parameters were compared between rTM and GM recipients after treatment administration. RESULTS: There were no significant differences between the groups for any parameter except C-reactive protein levels. The CRP level tended to be lower in the rTM group than in the GM group. Acute DIC score in the rTM group resolved significantly earlier than that in the GM group. No patient stopped the administration of rTM because of postoperative bleeding. CONCLUSION: rTM may be an effective therapeutic drug for the treatment of septic patients with DIC following emergent gastrointestinal surgery.


Asunto(s)
Anticoagulantes/uso terapéutico , Coagulación Intravascular Diseminada/tratamiento farmacológico , Gabexato/uso terapéutico , Enfermedades Gastrointestinales/cirugía , Complicaciones Posoperatorias/tratamiento farmacológico , Sepsis/complicaciones , Sepsis/tratamiento farmacológico , Trombomodulina/uso terapéutico , Adulto , Anciano , Anciano de 80 o más Años , Cuidados Críticos , Tratamiento de Urgencia , Femenino , Humanos , Tiempo de Internación , Masculino , Persona de Mediana Edad , Peritonitis/etiología , Proteínas Recombinantes/uso terapéutico , Estudios Retrospectivos , Resultado del Tratamiento , Adulto Joven
11.
J Cereb Blood Flow Metab ; 15(5): 845-51, 1995 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-7673377

RESUMEN

We designed the present study to examine whether or not the inhibition of acetylcholinesterase modulates cerebral microcirculation in hypotension and improves brain metabolism in ischemia induced by bilateral carotid artery occlusion in hypertensive rats. Blood flow to the parietal cortex was determined by the H2 clearance method. Lactate, pyruvate, and ATP were estimated by enzymatic methods. Acetylcholinesterase inhibitor (AChEI, ENA-713), at 0.05, 0.1, or 0.5 mg/kg, was intravenously injected 10 min before either hemorrhagic hypotension or cerebral ischemia. The levels of acetylcholine in the control were 29.3 +/- 8.1 (mean +/- SD) and 39.5 +/- 8.1 pmol/mg in the cortex and hippocampus, respectively, and they were significantly decreased by 15-19% after 60 min of ischemia in the vehicle-treated rats. AChEI preserved the levels to 93-98% of the control (p < 0.05 versus vehicle). The lower limit of autoregulation was 74 +/- 9% of the resting values. The administration of AChEI helped preserve blood flow and lowered the limit to 64 +/- 6% (p < 0.05 versus control). After 60 min of ischemia, lactate increased 6.5-fold and ATP decreased to 64% of the control value. The administration of AChEI dose-dependently reduced the lactate level 1.9- to 3.9-fold and well preserved the ATP level to 94-97% of the control. The inhibition of acetylcholinesterase activity may preserve cerebral autoregulation during hypotension and protect cerebral metabolism against ischemic insult.


Asunto(s)
Acetilcolinesterasa/metabolismo , Isquemia Encefálica/metabolismo , Circulación Cerebrovascular/efectos de los fármacos , Inhibidores de la Colinesterasa/farmacología , Homeostasis/efectos de los fármacos , Hipertensión/metabolismo , Acetilcolina/metabolismo , Animales , Encéfalo/metabolismo , Isquemia Encefálica/complicaciones , Hipertensión/complicaciones , Masculino , Ratas , Ratas Endogámicas SHR
12.
Am J Kidney Dis ; 34(6): 1096-104, 1999 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-10585320

RESUMEN

Orthostatic hypotension is a serious problem in patients with diabetes mellitus (DM) undergoing hemodialysis (HD). To evaluate cerebral circulation during orthostasis in patients with DM, we examined changes in mean blood flow velocity in the middle cerebral artery (VMCA) during 60 degrees head-up tilt for 5 minutes in patients with DM (six men, two women; age, 57 +/- 3 years [mean +/- SEM]; HD duration, 47 +/- 27 months) before and after bicarbonate HD by using transcranial Doppler sonography. The findings were compared with those in HD patients without diabetes (non-DM; 12 men, 5 women; age, 47 +/- 3 years; HD duration, 82 +/- 23 months). Mean blood pressure (MBP) in the supine position, hematocrit (Hct), plasma fibrinogen, and volume of fluid removed by HD were not significantly different between the two groups (MBP, 106 +/- 6 versus 103 +/- 4 mm Hg; Hct, 26% +/- 1% versus 28% +/- 1%; fibrinogen, 355 +/- 37 versus 357 +/- 27 mg/dL; fluid, 2.5 +/- 0.2 versus 2.3 +/- 0.2 L). Percentage of change in VMCA (% VMCA) during tilt was compared between the groups before and after HD. Before HD, MBP decreased significantly to 93 +/- 5 mm Hg during tilt only in patients with DM. The degree of MBP reduction was -13 +/- 2 mm Hg in DM and -2 +/- 2 mm Hg in non-DM patients (P < 0.01). % VMCA equally decreased during tilt; DM, -12% +/- 3%, and non-DM, -12% +/- 2%. After HD; MBP decreased by 36 +/- 7 mm Hg in patients with DM, which was significantly greater than before HD. VMCA also decreased in both groups after HD, and % VMCA in DM (-32% +/- 5%) was significantly greater than before HD (P < 0.01) and in non-DM patients (-13% +/- 2%; P < 0.01). % VMCA positively correlated with the percentage of change ratio of MBP during tilt in both groups after HD (DM, r = 0. 87, P < 0.01; non-DM, r = 0.61, P < 0.01). Our results showed a significant decrease in cerebral blood flow velocity during tilt of equal magnitude in both groups before HD despite differences in the level of hypotension, whereas reduction in cerebral blood flow velocity and decrease in MBP were more marked in DM after HD. Orthostasis could thus cause hemodynamically mediated brain damage after HD, especially in patients with DM.


Asunto(s)
Velocidad del Flujo Sanguíneo , Circulación Cerebrovascular , Diabetes Mellitus/fisiopatología , Hipotensión Ortostática/etiología , Diálisis Renal/efectos adversos , Anciano , Presión Sanguínea , Gasto Cardíaco , Arteria Carótida Común/diagnóstico por imagen , Diabetes Mellitus/diagnóstico por imagen , Femenino , Humanos , Hipotensión Ortostática/fisiopatología , Masculino , Persona de Mediana Edad , Pulso Arterial , Pruebas de Mesa Inclinada , Ultrasonografía Doppler Transcraneal
13.
Mol Cell Endocrinol ; 128(1-2): 77-84, 1997 Apr 04.
Artículo en Inglés | MEDLINE | ID: mdl-9140078

RESUMEN

Changes in responsiveness of freshly isolated longitudinal muscle cells from rat uterus to oxytocin during gestation were investigated through measuring contractility as well as intracellular free calcium concentration. We have demonstrated the pregnant stage-dependent contraction of freshly isolated myometrial cells in response to an extracellular hormone, oxytocin, in Ca2+-containing medium. The oxytocin effect appeared to be through oxytocin receptor since the effect could be blocked by a specific oxytocin antagonist. The magnitude of the contraction of the isolated cells in response to extracellular oxytocin was in the order of 21 day >> 18 day > 15 day pregnant rat longitudinal muscle cells. In a concentration dependent manner, oxytocin elicited a rapid increase in [Ca2+]i of longitudinal muscle cells isolated from different stages of the pregnant rat uterus, especially at the term of pregnancy. The time (4-5 s) required to reach a maximum increase in [Ca2+]i of the isolated longitudinal muscle cells in response to oxytocin was the shortest among all previously reported studies. The results also indicated that the freshly prepared longitudinal muscle cells maintained their functional calcium signaling system. The order of the responsiveness of the isolated longitudinal muscle cells to oxytocin was 21 day >> 18 day > 15 day pregnant rats in terms of rate, affinity and magnitude. Oxytocin appears to transmit its signal mainly through stimulating a voltage-dependent and/or receptor operated nonselective calcium channel. However, the possibility that a part of the oxytocin action occurs through stimulating the release of calcium from intracellular store sites of longitudinal muscle still remains.


Asunto(s)
Calcio/metabolismo , Músculo Liso/fisiología , Miometrio/fisiología , Oxitocina/farmacología , Preñez/fisiología , Transducción de Señal/efectos de los fármacos , Contracción Uterina/efectos de los fármacos , Animales , Canales de Calcio/fisiología , Citosol/metabolismo , Femenino , Técnicas In Vitro , Músculo Liso/efectos de los fármacos , Miometrio/efectos de los fármacos , Embarazo , Ratas , Ratas Wistar , Rianodina/farmacología , Factores de Tiempo
14.
Leuk Res ; 25(10): 847-53, 2001 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-11532516

RESUMEN

Adhesive ligands on acute myeloid leukemic (AML) blasts may mediate transmigration and extravascular infiltration. In this study, 30 AML samples were examined for expression and density of adhesion antigens. By univariate analysis, four patients with extravascular infiltration showed significantly higher expression of CD2, CD11a, CD11b, CD11c, CD15, CD65, CD86, and HLA-DR as compared with patients without infiltration. These four patients also showed significantly higher density of CD11a, CD11b, CD11c, CD15 and CD65 expression. By multivariate analysis, CD65 expression was the only significant independent risk factor for infiltration, suggesting that this is a critical adhesion molecule for extravascular AML infiltration.


Asunto(s)
Antígenos CD/metabolismo , Moléculas de Adhesión Celular/metabolismo , Selectina E/metabolismo , Leucemia Mieloide/patología , Infiltración Leucémica/metabolismo , Enfermedad Aguda , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo
15.
Brain Res Mol Brain Res ; 87(1): 71-80, 2001 Feb 19.
Artículo en Inglés | MEDLINE | ID: mdl-11223161

RESUMEN

In previous studies, we showed that basic fibroblast growth factor (bFGF) reduced infarct volume when infused intravenously in animal models of focal cerebral ischemia. In the current study, we examined the potential mechanism of infarct reduction by bFGF, especially effects on apoptosis within the ischemic brain. We found that bFGF decreased DNA fragmentation in the ischemic hemisphere, as assessed by terminal deoxynucleotidyl transferase (TdT)-mediated dUTP-biotin nick end labeling (TUNEL) histochemical methods combined with morphological criteria. bFGF also prevented reduction of immunoreactivity of the anti-apoptotic protein Bcl-2 in the ischemic hemisphere, but did not alter immunoreactivity of the pro-apoptotic proteins Bax, Caspase-1, or Caspase-3. These changes in TUNEL histochemistry and Bcl-2 immunoreactivity were especially prominent in cortex at the borders ('penumbra') of infarcts, spared by bFGF treatment. We conclude that the infarct-reducing effects of bFGF may be due, in part, to prevention of downregulation of Bcl-2 expression and decreased apoptosis in the ischemic brain.


Asunto(s)
Isquemia Encefálica/tratamiento farmacológico , Fragmentación del ADN/efectos de los fármacos , Factor 2 de Crecimiento de Fibroblastos/farmacología , Infarto de la Arteria Cerebral Media/tratamiento farmacológico , Proteínas Proto-Oncogénicas c-bcl-2/biosíntesis , Animales , Apoptosis/efectos de los fármacos , Química Encefálica/efectos de los fármacos , Isquemia Encefálica/metabolismo , Caspasa 1/metabolismo , Caspasa 3 , Caspasas/metabolismo , Regulación hacia Abajo/efectos de los fármacos , Etiquetado Corte-Fin in Situ , Infarto de la Arteria Cerebral Media/metabolismo , Inyecciones Intravenosas , Masculino , Neuronas/química , Neuronas/citología , Neuronas/enzimología , Proteínas Proto-Oncogénicas/análisis , Proteínas Proto-Oncogénicas/metabolismo , Proteínas Proto-Oncogénicas c-bcl-2/análisis , Proteínas Proto-Oncogénicas c-bcl-2/metabolismo , Ratas , Ratas Wistar , Proteína X Asociada a bcl-2
16.
Obstet Gynecol ; 68(2): 263-6, 1986 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-3737042

RESUMEN

Three hundred seventy-four cervical or vaginal specimens from patients with various hormonal states were cultured for Ureaplasma urealyticum and Mycoplasma hominis. Significantly, low recovery rates of U urealyticum were obtained in the prepuberty (5%), puerperium (24%), and postmenopause (25%) groups, whereas pregnant women showed the highest incidence of U urealyticum (82%). The recovery rate of U urealyticum from neonates was 42%. The incidence of U urealyticum in sexually inactive females was significantly lower (40%) than that in sexually active nonpregnant women (67%). Significantly, a higher incidence (36%) was observed in postmenopausal women with a uterine cervix than in those whose cervix had been removed by surgery (10%). It is suggested that there is a close relationship between hormonal status and the occurrence of genital mycoplasmas. Possible modes of transmission of genital mycoplasmas other than sexual contact are also discussed.


Asunto(s)
Genitales Femeninos/microbiología , Menopausia , Mycoplasma/aislamiento & purificación , Periodo Posparto , Pubertad , Ureaplasma/aislamiento & purificación , Adolescente , Adulto , Anciano , Niño , Preescolar , Femenino , Enfermedades de los Genitales Femeninos/microbiología , Humanos , Recién Nacido , Persona de Mediana Edad , Infecciones por Mycoplasma/epidemiología , Embarazo , Complicaciones Infecciosas del Embarazo/epidemiología , Conducta Sexual
17.
Obstet Gynecol ; 94(1): 71-7, 1999 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-10389721

RESUMEN

OBJECTIVE: To examine biologic and proliferative properties of adenomyotic lesions and to determine whether adenomyotic lesions originate in the basal layer of the eutopic endometrium. METHODS: We examined eutopic and ectopic endometria from 23 patients with adenomyosis. To obtain evidence for the induction of programmed cell death, apoptotic cells were identified using a modified terminal deoxynucleotidyltransferase-biotin nick end-labeling method. To evaluate cell death repressor activity, bcl-2 gene expression was examined using immunohistochemical staining. As a proliferative marker, Ki-67 expression was also examined immunohistochemically. RESULTS: In the eutopic endometrium, apoptosis was most frequently observed in epithelial cells during mid- to late secretory phases, although it was rarely found during early proliferative through early secretory phases (P<.01). In contrast, bcl-2 gene expression inversely correlated with the appearance of apoptosis. A similar tendency was observed in stromal cells. In the ectopic endometrium of adenomyosis, endometrial dating revealed that secretory change was rare, even in the secretory phase, and that induction of apoptotic cells as well as bcl-2 gene expression showed no cyclic change. In stromal cells of the ectopic endometrium, apoptosis was more frequent than was seen in the eutopic endometrium, in all menstrual phases (P<.05). Ki-67 was constantly expressed in the glandular epithelium of the ectopic endometrium, irrespective of the menstrual phases, whereas in the secretory phase it was less expressed in the eutopic endometrium of functional and basal layers (P<.01). CONCLUSION: The induction of apoptosis seems to be regulated by hormonal changes in the eutopic endometrium and has an inverse correlation with bcl-2 gene expression. The ectopic endometrium in adenomyosis is rarely influenced by hormonal change and has different biologic and proliferative properties than events observed in the eutopic endometrium findings, which strongly suggest that the adenomyotic lesion does not originate in the basal endometrium.


Asunto(s)
Apoptosis , Endometriosis/metabolismo , Endometrio/metabolismo , Antígeno Ki-67/biosíntesis , Adulto , Endometriosis/patología , Endometrio/patología , Femenino , Expresión Génica , Humanos , Ciclo Menstrual/metabolismo , Persona de Mediana Edad , Proteínas Proto-Oncogénicas c-bcl-2/biosíntesis
18.
Obstet Gynecol ; 98(2): 332-40, 2001 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-11506854

RESUMEN

OBJECTIVE: To investigate and compare the efficacy of all-trans retinoic acid (RA) and/or interferon-alpha (IFN-alpha) on premalignant and malignant models of cervical cancer. METHODS: Cell growth rate was examined after treatment for 4, 7, and 10 days with RA and/or IFN-alpha of human papillomavirus type 18 (HPV 18)-immortalized endo- and ectocervical cells, nontransformed serum-adapted cells, transformed cells, three adenocarcinoma, and three squamous cell carcinoma cell lines. The effect on epithelial differentiation by RA and IFN-alpha was examined in organotypic culture. Induction of apoptosis was examined by modified terminal transferase-mediated deoxyuridine triphosphate-biotin nick end-labeling (TUNEL) and DNA fragmentation. RESULTS: Cell growth rate was inhibited by RA, 84-96% in HPV 18-immortalized endocervical cells, SiHa, and ME180, 0% in OMC-4, and 18-62% in other cell lines; and by IFN-alpha about 75% in SiHa and ME180 and 14-40% in the other cell lines. Combining RA and IFN-alpha increased the antiproliferative effect in premalignant cell lines and some cancer cell lines except OMC-4, SiHa, and HT-3. In rafts, RA treatment reversed human endocervical cell metaplasia and HPV 18-immortalized endo- and ectocervical cell dysplastic epithelial differentiation. Interferon-alpha, not RA, treatment of HPV 18-immortalized endo- and ectocervical cells induced apoptosis. CONCLUSION: Cell growth inhibition by treatment with RA, IFN-alpha, and their combination differentially depends on treatment type and time, cell origin, cell line, and oncogenic state. In a premalignant model of cervical carcinoma, RA reduces dysplastic differentiation and IFN-alpha induces apoptosis. These data confirm that these treatments may be effective for preventing or treating premalignant cervical lesions.


Asunto(s)
Antineoplásicos/farmacología , Interferón-alfa/farmacología , Tretinoina/farmacología , Neoplasias del Cuello Uterino/patología , Adenocarcinoma/patología , Apoptosis/efectos de los fármacos , Carcinoma de Células Escamosas/patología , Diferenciación Celular/efectos de los fármacos , División Celular/efectos de los fármacos , Línea Celular Transformada , Cuello del Útero/citología , Cuello del Útero/efectos de los fármacos , Femenino , Humanos , Papillomaviridae , Células Tumorales Cultivadas/efectos de los fármacos , Neoplasias del Cuello Uterino/virología
19.
Obstet Gynecol ; 66(3 Suppl): 72S-75S, 1985 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-4022520

RESUMEN

Pelvic endometriosis associated with massive ascites is an unusual occurrence. Only 12 cases have been reported since 1954 when Brews first described this entity. The authors present two cases recently encountered at Saga Medical School Hospital. Clinical courses and operative findings are described and other cases from the literature are reviewed. The possible etiologic mechanisms of the ascites are explored and the possibility of conservative surgery and hormonal therapy with danazol is discussed.


Asunto(s)
Ascitis/etiología , Endometriosis/complicaciones , Neoplasias Pélvicas/complicaciones , Adulto , Terapia Combinada , Danazol/uso terapéutico , Endometriosis/terapia , Femenino , Humanos , Neoplasias Pélvicas/terapia
20.
Obstet Gynecol ; 82(6): 941-5, 1993 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-8233269

RESUMEN

OBJECTIVE: To investigate the differences in local immune response between persistent and regressive cervical dysplasia. METHODS: We conducted a quantitative study of Langerhans cells, pan-T cells, and helper-inducer T cells in the subepithelial connective tissue using immunohistochemical techniques with S-100 protein antibody, UCHL1, and OPD4, respectively, in 52 paraffin sections. The subjects were patients with persistent cervical dysplasia and a comparable control group of 46 patients with regressive dysplasia. RESULTS: In the subepithelial stroma, the mean (+/- standard deviation) numbers of S-100- and OPD4-positive cells in the persistent group were 8.6 +/- 8.1 and 84.6 +/- 66.3, respectively, compared with 15.1 +/- 9.4 and 147.0 +/- 67.7, respectively, in the regression group. These data demonstrate a significant reduction of Langerhans cells and helper-inducer T cells (P < .0002 and P < .0001, respectively) with persistent dysplasia. CONCLUSION: The decreased numbers of S-100-positive Langerhans cells and helper-inducer T cells in persistent dysplasia compared to those of regressive dysplasia strongly support a decreased local immune response in persistent cervical dysplasia.


Asunto(s)
Cuello del Útero/inmunología , Células de Langerhans , Linfocitos T Colaboradores-Inductores , Displasia del Cuello del Útero/inmunología , Adulto , Recuento de Células , Enfermedad Crónica , Epitelio/inmunología , Femenino , Humanos , Persona de Mediana Edad , Proteínas S100/análisis
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