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1.
Elife ; 122024 Mar 07.
Artículo en Inglés | MEDLINE | ID: mdl-38451065

RESUMEN

Investigating the human fallopian tube (FT) microbiota has significant implications for understanding the pathogenesis of ovarian cancer (OC). In this large prospective study, we collected swabs intraoperatively from the FT and other surgical sites as controls to profile the microbiota in the FT and to assess its relationship with OC. Eighty-one OC and 106 non-cancer patients were enrolled and 1001 swabs were processed for 16S rRNA gene PCR and sequencing. We identified 84 bacterial species that may represent the FT microbiota and found a clear shift in the microbiota of the OC patients when compared to the non-cancer patients. Of the top 20 species that were most prevalent in the FT of OC patients, 60% were bacteria that predominantly reside in the gastrointestinal tract, while 30% normally reside in the mouth. Serous carcinoma had higher prevalence of almost all 84 FT bacterial species compared to the other OC subtypes. The clear shift in the FT microbiota in OC patients establishes the scientific foundation for future investigation into the role of these bacteria in the pathogenesis of OC.


Asunto(s)
Microbiota , Neoplasias Ováricas , Femenino , Humanos , Trompas Uterinas , Estudios Prospectivos , ARN Ribosómico 16S/genética , Boca
2.
medRxiv ; 2023 Nov 01.
Artículo en Inglés | MEDLINE | ID: mdl-37425928

RESUMEN

Investigating the human fallopian tube (FT) microbiota has significant implications for understanding the pathogenesis of ovarian cancer (OC). In this large prospective study, we collected swabs intraoperatively from the FT and other surgical sites as controls to profile the microbiota in the FT and to assess its relationship with OC. 81 OC and 106 non-cancer patients were enrolled and 1001 swabs were processed for 16S rRNA gene PCR and sequencing. We identified 84 bacterial species that may represent the FT microbiota and found a clear shift in the microbiota of the OC patients when compared to the non-cancer patients. Of the top 20 species that were most prevalent in the FT of OC patients, 60% were bacteria that predominantly reside in the gastrointestinal tract, while 30% normally reside in the mouth. Serous carcinoma had higher prevalence of almost all 84 FT bacterial species compared to the other OC subtypes. The clear shift in the FT microbiota in OC patients establishes the scientific foundation for future investigation into the role of these bacteria in the pathogenesis of ovarian cancer. .

3.
Artículo en Inglés | MEDLINE | ID: mdl-36294040

RESUMEN

The aim of this study was to assess the total concentration and speciation variation of heavy metals (Pb, Cd, Cu and Zn) during composting and vermicomposting of industrial sludge with different addition rations of rice husk biochar. Results indicated that pH, EC, total phosphorus (TP) and total potassium (TK) were increased and total organic carbon (TOC) and total nitrogen (TN) were decreased during the composting of industrial sludge with biochar compared with the control (sludge without biochar). The addition of earthworm to the biochar-amended sludge further decreased pH and TOC but highly enhanced the EC, TN, TP and TK. Comparatively lower concentrations of total and DTPA-extractable heavy metals were observed in biochar-amended sludge treatments mixed with earthworm in comparison with the biochar-amended sludge treatments without earthworm or the control. Sequential extraction methods demonstrated that vermicomposting of sludge with biochar converted more metals bound with exchangeable, carbonate and organic matter into the residual fraction in comparison with those composting treatments of sludge with biochar. As a result, the combination of rice husk biochar and earthworm accelerated the passivation of heavy metals in industrial sludge during vermicomposting. Rice husk biochar and earthworm can play a positive role in sequestering the metals during the treatment of industrial sludge. This research proposed a potential method to dispose the heavy metals in industrial sludge to transform waste into resource utilization.


Asunto(s)
Metales Pesados , Oligoquetos , Oryza , Contaminantes del Suelo , Animales , Aguas del Alcantarillado , Contaminantes del Suelo/análisis , Cadmio , Plomo , Suelo , Metales Pesados/análisis , Carbón Orgánico , Fósforo , Ácido Pentético , Nitrógeno , Potasio
4.
Food Res Int ; 159: 111580, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-35940784

RESUMEN

Schizosaccharomyces japonicus have been found as dominant yeast species coexisting with Saccharomyces cerevisiae during late stages of spontaneous fermentation of local grapes in Guizhou, China. Therefore, this study further investigated the impacts of the two indigenous yeast species on typicality of crystal grape (Niagara) wine. Five indigenous and one commercial S. cerevisiae strains were firstly selected based on their genotypes and fermentation traits in synthetic medium. All the six S. cerevisiae exhibited high tolerance to glucose, temperature, and SO2. The two killer active strains FBKL2.996 and FBKL2.9126 showed relative higher tolerance capacity of ethanol, pH and osmotic pressure than the other four S. cerevisiae strains. Further pure fermentation of six strains using crystal grape must exhibited different contents of volatile compounds, with commercial strain CECA producing the highest levels of acetate esters (phenethyl acetate), ethyl esters (ethyl caprylate, ethyl hexanoate), n-caprylic acid isobutyl ester, and terpenes (linalool) whereas being ranked the last in the sensory analysis. The co-inoculation of indigenous S. japonicus with each of the six S. cerevisiae strains increased the acetate esters (mainly isoamyl acetate) by 2-3 times in crystal grape wine. The indigenous S. cerevisiae FBKL2.9128 showed the most obvious variation of volatile compounds between pure and mixed fermentation, exhibiting the significant increase of isoamyl acetate, ethyl decanoate, ethyl caprylate, ethyl hexanoate, methyl decanoate, and dodecanal when co-inoculated with S. japonicus. Sugar addition in immature crystal grape juice increased the ethanol, glycerol, and some volatile compounds such as ethyl butyrate, but decreased the volatile compounds with floral and animal odors. The aroma sensory analysis confirmed the decrease of varietal aroma in wines with sugar addition when comparing with wines made from immature crystal grape. The results of this study provide basic information on the impact of indigenous S. cerevisaie and S. japonicus, and sugar addition on typicality of crystal grape wine, which would help to improve the wine flavor made from crystal grape in southwest China.


Asunto(s)
Vitis , Vino , Acetatos/análisis , Ésteres/análisis , Etanol/análisis , Saccharomyces cerevisiae , Schizosaccharomyces , Azúcares/análisis , Vitis/química , Vino/análisis
5.
Food Chem X ; 13: 100201, 2022 Mar 30.
Artículo en Inglés | MEDLINE | ID: mdl-35498982

RESUMEN

Food allergy has been a serious public health problem around the world. Its prevention relies heavily on the effective avoidance of any contaminated food, making clear and accurate detection very important. LAMP is one of the most potent methods for allergen rapid detection. However, its current colorimetric readouts usually have low color contrast and narrow color variation range. Thus, here we proposed a strategy based on color evolution to enlarge the variation range as well as the contrast to improve its suitability for naked-eye observation. By simply blending two commonly used color change processes during amplification, a wider color variation window, and a near contrast color change, purple-to-green with a hues difference of 10 were obtained. Three important allergens (walnuts, hazelnuts, and peanuts) were tested with a comparable sensitivity towards fluorescent real-time LAMP. Its feasibility for practical use has also been studied. This simple but effective strategy provides a new idea for the colorimetric detection of LAMP amplicons and can be applied to various fields.

6.
J Cardiol ; 76(2): 198-204, 2020 08.
Artículo en Inglés | MEDLINE | ID: mdl-32192846

RESUMEN

BACKGROUND: Ischemic cardiovascular disease (ICVD) has high incidence and high mortality worldwide. The studies of its risk factors were mostly concentrated on an individual level, and there are scarce studies on the two levels of risk factors which include individual and regional levels. METHODS: The data were obtained from a community-based study in 4 cities and 6 counties of Henan, China. Risk factors were initially screened by one-way analysis of variance or chi-square test. Then, they were re-analyzed using a two-level logistic regression model to construct a personal disease risk prediction model. RESULTS: A two-level ICVD risk prediction model comprised 11 variables: age, body mass index (BMI), family history of hypertension, marital status, salt intake, smoking, moderate recreational physical activities, alcohol intake, and education at the individual level. Among the unalterable risk factors, for each additional unit of age and family history of hypertension, the risk of ICVD increased by 1.08 and 1.07 units [ß95% confidence interval (95%CI): 0.99-1.16, 0.97-1.17, both p < 0.0001], respectively. Among the modifiable risk factors, the ICVD risk increases by 0.67, 0.27, and 0.28 units for each additional unit of BMI, marital status, and education (ß95%CI: 0.60-0.74, p < 0.0001; ß95%CI: 0.14-0.40, p = 0.0012, 0.18-0.37, p = 0.0001). CONCLUSIONS: The two-level ICVD risk model can predict that the risk of one person for ICVD will be lower if one is younger, thinner, and well-educated without a family history of hypertension. Overall, the two-level ICVD risk prediction model gets a better fitting effect than the single-level model.


Asunto(s)
Isquemia Miocárdica/epidemiología , Adolescente , Adulto , Anciano , Índice de Masa Corporal , China/epidemiología , Escolaridad , Femenino , Humanos , Hipertensión/epidemiología , Incidencia , Modelos Logísticos , Masculino , Persona de Mediana Edad , Factores de Riesgo , Adulto Joven
7.
J Am Soc Hypertens ; 12(12): e93-e101, 2018 12.
Artículo en Inglés | MEDLINE | ID: mdl-30268408

RESUMEN

Elevated resting heart rate (RHR) and obesity are important risk factors for hypertension. However, studies are rare on the combined impact of RHR and obesity on prehypertension and hypertension. This study aimed to investigate the association between RHR and hypertension with different waist-to-height ratio (WHtR) in Chinese. The population-based cross-sectional study was conducted during 2013-2015 in Henan province, China, and 15,536 participants aged ≥15 years were included. RHR was classified according to sex-specific quartiles. The cutoff value of WHtR was 0.5 in both sexes. Multilinear and multilogistic regression models were used to evaluate the association of RHR and WHtR with prehypertension and hypertension. In both sexes, higher RHR was associated with higher blood pressure and lower pulse pressure. Compared with the lowest RHR quartile, participants in the highest RHR quartile had an increased risk of prehypertension (odds ratio [OR]: 1.40, 95% confidence interval [CI]: 1.18-1.65; OR: 1.27, 95% CI: 1.09-1.48) and hypertension (OR: 1.75, 95% CI: 1.43-2.15; OR: 1.36, 95% CI: 1.13-1.63) for male and female, respectively, after fully adjusting the data. In addition, adjusted ORs for prehypertension and hypertension of participants with high WHtR and high RHR were 2.91 (95% CI: 2.38-3.55) and 6.28 (4.96-7.97) for male and 2.45 (2.05-2.93) and 4.63 (3.66-5.85) for female, respectively, compared with the normal WHtR and normal RHR. In conclusion, elevated RHR was significantly associated with the risk of prehypertension and hypertension in Chinese and WHtR as a measure of abdominal obesity further increased this association.

8.
Clin Cardiol ; 41(12): 1583-1592, 2018 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-30284305

RESUMEN

BACKGROUND: To compare the efficiency of bioelectrical indices (visceral fat index [VFI], percentage body fat [PBF]) and anthropometric indices (body mass index, waist circumference, waist-to-height ratio, a body shape index ) in the relation to prehypertension (120-139/80-89 mm Hg) among the Chinese population. METHODS: Using stratified multistage random sampling method, a general population-based sample of 11 175 adults in Henan province were selected from 2013 to 2015. The individuals were divided into three categories by blood pressure levels: normotension (<120 and 80 mm Hg), stage 1 prehypertension (120-129/80-84 mm Hg) and stage 2 prehypertension (130-139/85-89 mm Hg). RESULTS: VFI and PBF tended to increase with age in men and women. However, for each age-specific group, men tended to have higher VFI than women (all P < 0.01) and women tended to have greater PBF (all P < 0.0001). The odds ratios (OR) and area under the receiver operating characteristic curves for prehypertension associated with adiposity indices declined with age. VFI and PBF showed higher standardized adjusted ORs for prehypertension in young (~40 years) men (VFI: 2.02-3.05; PBF: 1.82-2.80) and young women (VFI: 1.90-2.58; PBF:1.70-2.29). Moreover, based on Youden's index, VFI and PBF exhibited the superiority for identifying prehypertension in men (0.20-0.32) and women (0.31-0.39), respectively. CONCLUSION: In summary, there was stronger association of VFI and PBF with prehypertension in men than in women, respectively, especially for young adults.


Asunto(s)
Adiposidad , Presión Sanguínea/fisiología , Índice de Masa Corporal , Obesidad/complicaciones , Vigilancia de la Población/métodos , Prehipertensión/epidemiología , Adulto , Anciano , Antropometría , China/epidemiología , Estudios Transversales , Femenino , Estudios de Seguimiento , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Obesidad/epidemiología , Obesidad/fisiopatología , Prehipertensión/etiología , Prehipertensión/fisiopatología , Prevalencia , Curva ROC , Estudios Retrospectivos , Factores de Riesgo
9.
J Am Soc Hypertens ; 12(7): 524-533, 2018 07.
Artículo en Inglés | MEDLINE | ID: mdl-29699875

RESUMEN

Estimating population attributable risks of potential modifiable risk factors for stroke and (or) myocardial infarction may be useful for planning cardiovascular disease (CVD) preventive strategies. A population of 17,292 adults aged 18 years and older from a cross-sectional survey was included in the study. The binary logistic regression was used to evaluate the association between risk factors with disease events, then population attributable fraction according to prevalence and odds ratios were calculated to identify and compare the effects at different subpopulations. We found that the main risk factor for CVD events was hypertension with about 50% of population attributable fraction; prehypertension (22.24%) only acts at rural older females; the efficiency of low- and moderate-level physical activities were higher in males (over 20%) than females (under 20%); ever smoked contributed to CVDs in rural older populations (males, 19.25%; females, 5.57%) and urban younger males (54.52%); while as for high body mass index, overweight (12.59%) only made contribution to rural males over 60 years. In conclusion, hypertension control in the whole population, physical activity increasing in males and older females, smoking prevention in rural elders and urban younger males, and slimming in rural elder males might be effective to reduce the burden of CVDs in Henan.

10.
Oncol Lett ; 15(4): 4619-4626, 2018 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-29552108

RESUMEN

MicroRNA (miR)-106b serves an essential function in a variety of human cancer types, particularly in the process of invasion and metastasis. However, the function and mechanism of miR-106b in the invasion and metastasis of esophageal squamous cell carcinoma (ESCC) has remained elusive. In the present study, it was demonstrated that miR-106b was upregulated in ESCC tissues and cell lines. Furthermore, miR-106b expression in ESCC tissues was positively associated with lymphatic metastasis. Inhibition of miR-106b in EC-1 and EC9706 cells decreased not only the invasion and metastasis ability but also the proliferation ability of EC-1 and EC9706 cells. In addition, miR-106b had the ability to induce epithelial-to-mesenchymal transition (EMT) in EC-1 and EC9706 cells. In terms of the underlying mechanism, it was revealed that miR-106b promoted the invasion, metastasis and proliferation ability of EC-1 and EC9706 cells by directly targeting phosphatase and tension homolog (PTEN). Furthermore, miR-106b induced EMT in EC-1 and EC9706 cells by suppressing the expression of PTEN. In summary, the present study revealed that miR-106b contributed to invasion and metastasis in ESCC by regulating PTEN mediated EMT. Downregulation of miR-106b may be a novel strategy for preventing tumor invasion and metastasis.

11.
Hypertens Res ; 41(1): 66-74, 2018 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-28978982

RESUMEN

Hypertension and prehypertension may have important roles in the etiology of cardiovascular disease. However, the risk factors of hypertension and prehypertension have not been thoroughly elucidated to date. This study intended to explore the relative effects between reproductive history and the prevalence of hypertension and prehypertension. A population-based cross-sectional survey of postmenopausal women (n=6252), aged 41-93 years, was conducted from August 2013 to August 2015. All subjects, selected by the multistage random sampling method in Henan province, were categorized as normotension, prehypertension and hypertension according to blood pressure (BP) levels. Ordinal logistic regression models were used to estimate the risks of prehypertension and hypertension with three categories of BP as dependent variables. Hypertension was associated with a positive history of induced abortion (adjusted odds ratio (OR)=1.190, 95% confidence interval (CI): 1.020, 1.388), but there was no association between hypertension and a positive history of spontaneous abortion (adjusted OR=1.126, 95% CI: 0.973, 1.303) after adjusting for age, alcohol consumption, education status, smoking, body mass index, physical activity and occupation. Compared with women with one or no children, those with two or three children were at a lower risk of hypertension (adjusted OR=0.605, 95% CI: 0.434, 0.845). In addition, individuals with an age of menopause between 46 and 51 years may have a decreased risk of both prehypertension and hypertension, especially in terms of systolic BP. In conclusion, a positive history of induced abortion may be a predictive risk factor for hypertension and prehypertension. However, a menopausal age of 46-51 years or having two children may be protective factors against hypertension and prehypertension.


Asunto(s)
Presión Sanguínea/fisiología , Hipertensión/epidemiología , Prehipertensión/epidemiología , Historia Reproductiva , Anciano , Pueblo Asiatico , Índice de Masa Corporal , China , Estudios Transversales , Ejercicio Físico , Femenino , Humanos , Hipertensión/etiología , Persona de Mediana Edad , Posmenopausia , Prehipertensión/etiología , Prevalencia , Factores de Riesgo , Conducta de Reducción del Riesgo
12.
Int J Cardiol ; 219: 204-11, 2016 Sep 15.
Artículo en Inglés | MEDLINE | ID: mdl-27327508

RESUMEN

BACKGROUND: The aim of the study was to compare the efficiency of bioelectrical indices (percentage body fat, PBF; visceral fat index, VFI) and various anthropometric measures (body mass index, BMI; waist circumference, WC; waist-to-height ratio, WHtR) on determining hypertension in Chinese. METHODS: We conducted the community-based cross-sectional survey during August of 2013 to August of 2015 in 66 sample sites selected by multistage random sampling method from Henan province. 14,364 residents were included in the study. RESULTS: In both genders, VFI and PBF tended to rise with age. However, for each age-specific group, men consistently had significantly greater VFI than women (all P<0.0001) and women had considerably higher PBF (all P<0.0001). The odds ratios and area under the ROC curves (AUCs) for hypertension associated with adiposity indices decreased with age. In younger (15~34year) men and women, VFI had the highest crude (2.43-7.95) and adjusted (2.40-11.63) odds ratio for hypertension. The AUCs for PBF, VFI and WHtR were significantly larger than those for BMI and WC (all P<0.01). Whereas no statistically significant difference were found in AUCs among PBF, VFI and WHtR (all P>0.10). Additionally, VFI and PBF yielded the greatest Youden index in identifying hypertension in men (0.27) and women (0.34), respectively. Optimal cutoffs for VFI/PBF were 11.70/24.45 and 7.55/33.65 in men and women, respectively. CONCLUSIONS: VFI and PBF could be better candidates for identifying hypertension in men and women, respectively. Adolescents and young adults should be highlighted in preventing hypertension by control of excess body and visceral fat.


Asunto(s)
Tejido Adiposo/fisiología , Antropometría/métodos , Pueblo Asiatico , Hipertensión/epidemiología , Hipertensión/fisiopatología , Grasa Intraabdominal/fisiología , Adiposidad/fisiología , Adolescente , Adulto , Factores de Edad , Anciano , Estudios Transversales , Femenino , Humanos , Hipertensión/diagnóstico , Masculino , Persona de Mediana Edad , Distribución Aleatoria , Factores de Riesgo , Factores Sexuales , Circunferencia de la Cintura/fisiología , Adulto Joven
13.
Guang Pu Xue Yu Guang Pu Fen Xi ; 35(12): 3475-9, 2015 Dec.
Artículo en Chino | MEDLINE | ID: mdl-26964233

RESUMEN

The territory of China is vast, so the daylight climates of different regions are not the same. In order to expand theutilization scope and improve the utilization efficiency of solar energy and daylight resources, this article observed and analyzed the ground daylight spectra of China's different light climate partitions. Using a portable spectrum scanner, this article did a tracking observation of ground direct daylight spectra in the period of 380-780 nm visible spectrum of different solar elevation angles during one day in seven representative cities of china's different light climate partitions. The seven representative cities included Kunming, Xining, Beijing, Shenzhen, Nanjing, Nanchang and Chongqing. According to the observation results, this article analyzed the daylight spectrum changing law, compared the daylight spectrum curves of different light climate partitions cities, and summarized the influence factors of daylight spectral radiation intensity. The Analysis of the ground direct daylight spectra showed that the daylight spectral radiation intensity of different solar elevation angles during one day of china's different light climate partitions cities was different, but the distribution and trend of daylight power spectra were basically the same which generally was first increased and then decreased. The maximum peak of spectral power distribution curve appeared at about 475 nm, and there were a steep rise between 380-475 nm and a smooth decline between 475-700 nm while repeatedly big ups and downs appearing after 700 nm. The distribution and trend of daylight power spectra of china's different light climate partitions cities were basically the same, and there was no obvious difference between the daylight spectral power distribution curves and the different light climate partitions. The daylight spectral radiation intensity was closely related to the solar elevation angle and solar surface condition.

14.
J Huazhong Univ Sci Technolog Med Sci ; 33(6): 905-911, 2013 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-24337857

RESUMEN

Nowadays, there is a trend of HIV prevalence transmitting from high-risk group to average-risk group in China. Rural China is the weak link of HIV prevention, and rural areas of Henan province which is one of the most high-risk regions in China have more than 60% of the AIDS patients in the province. Thus, improving the HIV awareness and implementing health education become the top-priority of HIV/AIDS control and prevention. A multistage sampling was designed to draw 1129 people living with HIV/AIDS (PLWHAs) and 1168 non-PLWHAs in 4 prevalence counties of Henan province. A health promoting and social-psychological support model was constructed to improve the health knowledge of participants. Chi-square tests and unconditional logistic regression were performed to determine the intervention effect and influencing factors. All groups had misunderstandings towards the basic medical knowledge and the AIDS transmission mode. Before the intervention, 59.3% of the HIV/AIDS patients and 74.6% of the healthy people had negative attitudes towards the disease. There was statistically significant difference in the improvement of knowledge, attitude and action with regards to HIV prevention before and after intervention (P<0.05). PLWHAs who were males (OR=1.731) and had higher education level (OR=1.910) were found to have better HIV/AIDS health knowledge, whereas older PLWHAs (OR=0.961) were less likely to have better HIV/AIDS health knowledge. However, the intervention effect was associated with the expertise of doctors and supervisors, the content and methods of education, and participants' education level. It was concluded that health education of HIV/AIDS which positively influences the awareness and attitude of HIV prevention is popular in rural areas, therefore, a systematic and long-term program of HIV control and prevention is urgently needed in rural areas.


Asunto(s)
Síndrome de Inmunodeficiencia Adquirida/prevención & control , Evaluación de Procesos y Resultados en Atención de Salud , Educación del Paciente como Asunto/normas , Población Rural , Adulto , Anciano , China , Femenino , Humanos , Masculino , Persona de Mediana Edad , Educación del Paciente como Asunto/métodos
15.
Pediatr Infect Dis J ; 31(1): 61-3, 2012 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-22217967

RESUMEN

A retrospective study was conducted, and 576 human immunodeficiency virus-infected children with total lymphocyte count (TLC) and CD4 count were recruited from China. Spearman rank order correlation and receiver-operating characteristic were used. An overall positive correlation was noted between TLC and CD4 count (prehighly active antiretroviral therapy [pre-HAART], r = 0.789, 6 months of HAART, r = 0.642, 12 months of HAART, r = 0.691, P = 0.001). TLC ≤ 2600 cells/mm(3) predicted a CD4 count of ≤ 350 cells/mm(3) with 82.9% sensitivity, 79.6% specificity pre-HAART. Meanwhile, the optimum prediction for CD4 count of ≤ 350 cells/mm(3) was a TLC of ≤ 2400 cells/mm at 6 months (73.6% sensitivity and 74.1% specificity) and 12 months (81.7% sensitivity and 76.5% specificity) of HAART. TLC can be used as a surrogate marker for predicting CD4 count of human immunodeficiency virus-infected children before and during HAART in resource-limited countries.


Asunto(s)
Terapia Antirretroviral Altamente Activa , Recuento de Linfocito CD4 , Infecciones por VIH/tratamiento farmacológico , Recuento de Linfocitos , Adolescente , Biomarcadores , Niño , China , Femenino , Infecciones por VIH/inmunología , Infecciones por VIH/virología , VIH-1 , Recursos en Salud/provisión & distribución , Humanos , Masculino , Valor Predictivo de las Pruebas , Curva ROC , Estudios Retrospectivos , Sensibilidad y Especificidad , Resultado del Tratamiento
16.
Artículo en Inglés | MEDLINE | ID: mdl-22038367

RESUMEN

CD4 count is the standard method for determining eligibility for highly active antiretroviral therapy (HAART) and monitoring HIV/AIDS disease progression, but it is not widely available in resource-limited settings. This study examined the correlation between total lymphocyte count (TLC) and CD4 count of HIV-infected patients before and after HAART, and assessed the thresholds of TLC for making decisions about the initiation and for monitoring HAART. A retrospective study was performed, and 665 HIV-infected patients with TLC and CD4 count from four counties (Shangcai, Queshan, Shenqiu and Weishi) were included in the study. Pearson correlation and receiver operating characteristic (ROC) were used. TLC and CD4 count after HAART was significantly increased as compared with pre-HAART (P<0.01). An overall positive correlation was noted between TLC and CD4 count (pre-HAART, r=0.73, P=0.0001; follow-up HAART, r=0.56, P=0.0001). The ROC curve between TLC and CD4 count showed that TLC ≤ 1200 cells/mm(3) could predict CD4 < 200 cells/mm(3) with a sensitivity of 71.12%, specificity of 66.35% at pre-HAART. After 12-month HAART, the optimum prediction for CD4 count < 200 cells/mm3 was a TLC ≤ 1300 cells/mm(3), with a sensitivity of 63.27%, and a specificity of 74.84%. Further finding indicated that TLC change was positively correlated to CD4 change (r=0.77, P=0.0001) at the time point of 12-month treatment, and the best prediction point of TLC change for CD4 increasing was 135 cells/mm(3). TLC and its change can be used as a surrogate marker for CD4 count and its change of HIV-infected individuals for making decisions about the initiation and for monitoring HAART in resource-limited settings.


Asunto(s)
Recuento de Linfocito CD4 , Infecciones por VIH/inmunología , Recuento de Linfocitos , Adolescente , Adulto , Fármacos Anti-VIH/uso terapéutico , Terapia Antirretroviral Altamente Activa , China , Femenino , Infecciones por VIH/sangre , Infecciones por VIH/tratamiento farmacológico , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Adulto Joven
17.
Artículo en Chino | WPRIM (Pacífico Occidental) | ID: wpr-248597

RESUMEN

CD4 count is the standard method for determining eligibility for highly active antiretroviral therapy (HAART) and monitoring HIV/AIDS disease progression,but it is not widely available in resource-limited settings.This study examined the correlation between total lymphocyte count (TLC) and CD4 count of HIV-infected patients before and after HAART,and assessed the thresholds of TLC for making decisions about the initiation and for monitoring HAART.A retrospective study was performed,and 665 HIV-infected patients with TLC and CD4 count from four counties (Shangcai,Queshan,Shenqiu and Weishi) were included in the study.Pearson correlation and receiver operating characteristic (ROC) were used.TLC and CD4 count after HAART was significantly increased as compared with pre-HAART (P<0.01).An overall positive correlation was noted between TLC and CD4 count (pre-HAART,r=0.73,P=0.0001; follow-up HAART,r=0.56,P=0.0001).The ROC curve between TLC and CD4 count showed that TLC ≤ 1200 cells/mm3 could predict CD4 < 200 cells/mm3 with a sensitivity of 71.12%,specificity of 66.35%at pre-HAART.After 12-month HAART,the optimum prediction for CD4 count < 200 cells/mm3 was a TLC ≤ 1300 cells/mm3,with a sensitivity of 63.27%,and a specificity of 74.84%.Further finding indicated that TLC change was positively correlated to CD4 change (r=0.77,P=0.0001) at the time point of 12- month treatment,and the best prediction point of TLC change for CD4 increasing was 135 cells/mm3.TLC and its change can be used as a surrogate marker for CD4 count and its change of HIV-infected individuals for making decisions about the initiation and for monitoring HAART in resource-limited settings.

18.
Zhonghua Liu Xing Bing Xue Za Zhi ; 28(3): 258-60, 2007 Mar.
Artículo en Chino | MEDLINE | ID: mdl-17649659

RESUMEN

OBJECTIVE: To evaluate the costs of preventing AIDS transmission from mothers to children in a high-incidence area and to investigate relations between costs and effects, as well as to study the economical effects of this approach. METHODS: According to the number of patients and each strategy on prevention of AIDS transmission, following aspects were calculated as: the cost of preventing each patient with HIV infection, to avoid the cost of one disability adjusted life year (DALY), to evaluate the cost of each patient with either HIV infection or HIV-infected thereafter,and to calculate the HIV-positive rates in mothers at the same levels between costs and effects. RESULTS: The costs-effects for stopping pregnancy:it was 2264 Yuan for preventing one DALY, the costs of avoiding one case with HIV infection was 46 963 Yuan, but it was 211,000 Yuan from each patient after HIV infection, the ratio between effects and costs was 4.5:1. The costs-effects for comprehensive strategies showed that the cost was 60 853 Yuan for avoiding one case with HIV infection. It was 211,000 Yuan for each patient after HIV infection and the ratio between effects and costs was 3.5:1. CONCLUSION: The cost-effect of preventing HIV transmission from mothers to children was significant on the basis of economical level. It was more effective to evaluate the relation between costs and effects according to economical level in screening and preventing transmission from mothers to children under the situation that the HIV-positive rate in pregnant mothers was more than 0.03%.


Asunto(s)
Síndrome de Inmunodeficiencia Adquirida/economía , Síndrome de Inmunodeficiencia Adquirida/transmisión , Costos de la Atención en Salud/estadística & datos numéricos , Transmisión Vertical de Enfermedad Infecciosa/economía , Complicaciones Infecciosas del Embarazo/economía , Síndrome de Inmunodeficiencia Adquirida/prevención & control , Niño , China , Análisis Costo-Beneficio , Personas con Discapacidad , Femenino , Humanos , Recién Nacido , Transmisión Vertical de Enfermedad Infecciosa/prevención & control , Embarazo , Complicaciones Infecciosas del Embarazo/prevención & control
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