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1.
BMC Health Serv Res ; 19(1): 538, 2019 Aug 01.
Artículo en Inglés | MEDLINE | ID: mdl-31370854

RESUMEN

BACKGROUND: Antenatal care (ANC) provides a range of critical health services during pregnancy that can improve maternal and neonatal health outcomes. In Mozambique, only half of women receive four or more ANC visits, which are provided for free at public health centers by maternal and child health (MCH) nurses. Waiting time has been shown to contribute to negative client experiences, which may be a driver of low maternity care utilization. A recent pilot study of a program to schedule ANC visits demonstrated that scheduling care reduces waiting time and results in higher rates of complete ANC. This study aims to explore client experiences with waiting time for ANC in standard practice and care and after the introduction of appointment scheduling. METHODS: This study uses a series of qualitative interviews to unpack client experiences with ANC waiting time with and without scheduled care, in order to better understand the impact of waiting time on client experiences. Thirty-eight interviews were collected in May to June 2017 at three pilot study clinics in southern Mozambique, with a focus on two paired intervention and comparison facilities sharing similar facility characteristics. Data were analyzed using inductive thematic analysis methods using NVivo software. RESULTS: Clients described strong motivations to seek ANC, pointing to the need to address convenience of care, and highlighted direct and indirect costs of seeking care that were exacerbated by long waiting times. Direct costs include time and transport costs of going to the clinic, while indirect costs include being unable to fulfill household and work obligations. Other barriers to complete ANC utilization of four or more visits include transport costs, negative provider experiences, and delayed ANC initiation, which limit the potential number of clinic contacts. CONCLUSIONS: Findings demonstrate that the scheduling intervention improves the client experience of seeking care by allowing women to both seek ANC and fulfill other productive obligations. Innovation in healthcare delivery should consider adapting models that minimize waiting times.


Asunto(s)
Actitud Frente a la Salud , Aceptación de la Atención de Salud/psicología , Atención Prenatal/organización & administración , Listas de Espera , Adulto , Femenino , Investigación sobre Servicios de Salud , Humanos , Mozambique , Proyectos Piloto , Embarazo , Investigación Cualitativa , Adulto Joven
2.
J Mater Sci Mater Med ; 29(9): 139, 2018 Aug 17.
Artículo en Inglés | MEDLINE | ID: mdl-30120571

RESUMEN

Bacteria-synthesized polysaccharides have attracted interest for biomedical applications as promising biomaterials to be used as implants and scaffolds. The present study tested the hypothesis that cellulose exopolysaccharide (CEC) produced from sugarcane molasses of low cost and adequate purity would be suitable as a template for 2D and 3D neuron and/or astrocyte primary cultures, considering its low toxicity. CEC biocompatibility in these primary cultures was evaluated with respect to cell viability, adhesion, growth and cell function (calcium imaging). Polystyrene or Matrigel® matrix were used as comparative controls. We demonstrated that the properties of this CEC in the 2D or 3D configurations are suitable for differentiation of cortical astrocytes and neurons in single or mixed cultures. No toxicity was detected in neurons that showed NMDA-induced Ca2+ influx. Unlike other polysaccharides of bacterial synthesis, the CEC was efficient as a support even in the absence of surface conjugation with extracellular matrix proteins, maintaining physiological characteristics of cultured neural cells. These observations open up the perspective for development of a novel 3D biofunctional scaffold produced from bacterial cellulose and obtained from renewable sources whose residues are not pollutants. Its low cost and possibility to be manufactured in scale are also suitable for potential applications in regenerative medicine.


Asunto(s)
Astrocitos/citología , Neuronas/patología , Polisacáridos/química , Cultivo Primario de Células , Saccharum/química , Animales , Materiales Biocompatibles , Calcio/química , Adhesión Celular , Proliferación Celular , Supervivencia Celular , Células Cultivadas , Coloides/química , Matriz Extracelular/metabolismo , Femenino , Hidrogeles/química , Imagenología Tridimensional , Inmunohistoquímica , Melaza , N-Metilaspartato/química , Neuronas/metabolismo , Ratas , Ratas Wistar , Estrés Mecánico , Ingeniería de Tejidos/métodos
3.
J Craniofac Surg ; 29(6): e595-e596, 2018 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-29877979

RESUMEN

Animal bites are relatively common occurrences reaching about 4.5 millions of people every year. The main aggressor is the domesticated dog, responsible for around 90% of the patients, with children being the most affected, with 70% of the registered patients, while with adults that number is a lot lower (15%). Bites around the head and neck require special attention. Due to the presence of noble structures and the rich local vascularization, any wounds have been immediately addressed to stop bleeding and further complications. The present study shows a woman patient, victim of a dog bite in her face, where the dog is her own, a domesticated Weimaraner. The patient was attended to in the Unidade de Pronto Atendimento, the procedure was to first apply anesthesia, then clean up the wound, debris of borders, and the plane suturation. Two months after the surgery, the patient showed satisfactory healing, with no complaints about pain or esthetics. As final considerations, it has to be remembered that facial trauma has to be assessed and taken care of immediately, in a way that closing the wound in the first hours after the trauma increase the chances of obtaining a better esthetic as physiologic result for the patient, also preventing infections from the wound and external environment. Also, in the case of animal bites, it is important that the professional possess the knowledge to deal with each individual situation, employing the correct prophylactic vaccine and perform the correct notification.


Asunto(s)
Mordeduras y Picaduras/complicaciones , Traumatismos Faciales/etiología , Labio/lesiones , Ritidoplastia/métodos , Animales , Perros , Traumatismos Faciales/cirugía , Femenino , Humanos , Labio/cirugía , Persona de Mediana Edad
4.
J Mater Sci Mater Med ; 27(8): 129, 2016 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-27379627

RESUMEN

The use of meshes for treatment of hernias continues to draw attention of surgeons and the industry in the search of an ideal prosthesis. The purpose of this work is to use meshes manufactured from bacterial cellulose, evaluate their organic tissue interaction and compare with an expanded polytetrafluorethylene (ePTFE's) prosthesis used to repair acute defect of muscle aponeurotic induced in rats. Forty-five male Wistar rats were classified using the following criteria: (1) surgical repair of acute muscle aponeurotic defect with perforated bacterial cellulose film (PBC; n = 18); (2) compact bacterial cellulose film (CBC; n = 12) and (3) ePTFE; (n = 15). After postoperative period, rectangles (2 × 3 cm) including prosthesis, muscles and peritoneum were collected for biomechanical, histological and stereological analysis. In all cases, the maximum acceptable error probability for rejecting the null hypothesis was 5 %. Between PBC and CBC samples, the variables of strain (P = 0.011) and elasticity (P = 0.035) were statistically different. The same was found between CBC and ePTFE (elasticity, P = 0.000; strain, P = 0.009). PBC differed from CBC for giant cells (P = 0.001) and new blood vessels (P = 0.000). In conclusion, there was biological integration and biomechanical elasticity of PBC; therefore, we think this option should be considered as a new alternative biomaterial for use as a bio prosthesis.


Asunto(s)
Músculos Abdominales/patología , Celulosa/química , Hernia/terapia , Politetrafluoroetileno/química , Mallas Quirúrgicas , Adherencias Tisulares/prevención & control , Animales , Bacterias/química , Materiales Biocompatibles/química , Hidrogeles/química , Inflamación , Masculino , Peritoneo/patología , Ratas , Ratas Wistar , Estrés Mecánico
5.
J Biomater Appl ; 35(3): 331-341, 2020 09.
Artículo en Inglés | MEDLINE | ID: mdl-32501137

RESUMEN

BACKGROUND/OBJECTIVE: The aim was to evaluate the use of bacterial cellulose film and bile duct autograft in repairing critical common bile duct injury in pigs. METHODS: A prospective experimental analytical study was carried out on 20 Sus Domesticus, Piau suidae swine, divided into a control group (n = 10) and an experimental group (n = 10) divided into two subgroups: bacterial cellulose film E1 and bacterial cellulose film E2 to which bacterial cellulose film was randomly allocated. The control group underwent two complete critical common bile duct sections 10 mm apart, while the experimental group with a single critical common bile duct defect underwent a 10 mm section of the longitudinal shaft with edge resection. The defects in the control group were treated with end-to-end conventional anastomosis using polyglycolic 6-0 surgical thread and the experimental group with bacterial cellulose film by continuous suture using the same material. The animals were clinically evaluated throughout the experiment on days D150 (bacterial cellulose film E1), D225 (control group), and D330 (bacterial cellulose film E2) and by intraoperative ultrasound examination related to histopathological and biochemical findings. RESULTS: The intraoperative ultrasonography detected the changes resulting from the common bile duct anastomosis in the control group that produced a considerable incidence of ductal narrowing and obstruction to the biliary flow. In the bacterial cellulose film E2 group, there was an increase in inflammation intensity, granulomatous reaction, fibrosis, and vessels density, without producing bile duct dilation in the ultrasonography assessment. Biochemical analysis of liver enzymes yielded results in the normal range confirming preservation of liver function at the different post-surgery time points. CONCLUSION: Bacterial cellulose film, when used as a graft for bile duct repair, proved to be a biocompatible material that produced a complete healing process and biliary flow continuity.


Asunto(s)
Conductos Biliares/metabolismo , Materiales Biocompatibles/química , Celulosa/metabolismo , Conducto Colédoco/metabolismo , Anastomosis Quirúrgica , Animales , Procedimientos Quirúrgicos del Sistema Biliar , Humanos , Estudios Prospectivos , Stents , Porcinos
6.
BMJ Glob Health ; 4(6): e001788, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31803509

RESUMEN

BACKGROUND: Poor patient experience, including long waiting time, is a potential reason for low healthcare utilisation. In this study, we evaluate the impact of appointment scheduling on waiting time and utilisation of antenatal care. METHODS: We implemented a pilot study in Mozambique introducing appointment scheduling to three maternity clinics, with a fourth facility used as a comparison. The intervention provided women with a return date and time for their next antenatal care visit. Waiting times and antenatal care utilisation data were collected in all study facilities. We assessed the effect of changing from first come, first served to scheduled antenatal care visits on waiting time and complete antenatal care (≥4 visits during pregnancy). Our primary analysis compared treatment facilities over time; in addition, we compared the treatment and comparison facilities using difference in differences. RESULTS: We collected waiting time data for antenatal care from 6918 women, and antenatal care attendance over the course of pregnancy from 8385 women. Scheduling appointments reduced waiting time for antenatal care in treatment facilities by 100 min (95% CI -107.2 to -92.9) compared with baseline. Using administrative records, we found that exposure to the scheduling intervention during pregnancy was associated with an approximately 16 percentage point increase in receipt of four or more antenatal care visits during pregnancy. CONCLUSIONS: Relatively simple improvements in the organisation of care that reduce waiting time may increase utilisation of healthcare during pregnancy. A larger scale study is needed to provide information about whether appointment scheduling can be sustained over time. TRIAL REGISTRATION NUMBER: NCT02938936.

7.
Transl Oncol ; 8(5): 368-375, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-26500027

RESUMEN

Although recent progress in understanding the biology and optimizing the treatment of acute lymphoblastic leukemia (ALL) has improved cure rates of childhood ALL to nearly 90%, the cure rate in adult ALL remains less than 50%. The poor prognosis in adult ALL has in part been attributed to larger proportion of high-risk leukemia showing drug resistance. Thus, identifying novel therapeutic targets in ALL is needed for further improvements in treatment outcomes of adult ALL. Genetic aberration of chromatin-modifying molecules has been recently reported in subtypes of ALL, and targeting components of chromatin complexes has shown promising efficacy in preclinical studies. Suppressor of variegation 3-9 homologue 2 (SUV39H2), also known as KMT1B, is a SET-domain-containing histone methyltransferase that is upregulated in solid cancers, but its expression is hardly detectable in normal tissues. Here, we show that SUV39H2 is highly expressed in ALL cells but not in blood cells from healthy donors and also that SUV39H2 mRNA is expressed at significantly higher levels in bone marrow or blood cells from patients with ALL obtained at diagnosis compared with those obtained at remission (P = .007). In four ALL cell lines (Jurkat and CEM derived from T-ALL and RS4;11 and REH derived from B-ALL), SUV39H2 knockdown resulted in a significant decrease in cell viability (~77%, P < .001), likely through induction of apoptosis. On the other hand, SUV39H2 overexpression made cells more resistant to chemotherapy. We conclude that SUV39H2 is a promising therapeutic target and further investigation of this therapeutic approach in ALL is warranted.

8.
PLoS One ; 9(2): e88954, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24586456

RESUMEN

Pseudokeronopsidae Borror & Wicklow, 1983 are biotechnologically important ciliate protists which produce toxic defense substances; however, their diversity is still little known in Brazil. In the present study, Tetrakeronopsis silvanetoi, a new genus and species of marine pseudokeronopsid hypotrichs is described from samples of water with bottom sediment collected from the coast of São Paulo state. Its phylogenetic affinities to the "core urostyloids" are hypothesized based on analyses of the 18S-rDNA marker, and a new subfamily, the Nothoholostichinae subfam. nov., is erected to name the monophylum composed of pseudokeronopsids in which the anterior corona is usually formed by four frontal cirri. In addition, the new combination Monocoronella longissima comb. nov. is proposed for Nothoholosticha longissima (Dragesco & Dragesco-Kernéis, 1986) Li et al., 2009.


Asunto(s)
Cilióforos/genética , Cilióforos/aislamiento & purificación , Brasil , ADN Protozoario/genética , ADN Ribosómico/genética , Filogenia
9.
Pak J Biol Sci ; 16(17): 871-6, 2013 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-24498841

RESUMEN

This study aimed to evaluate under field conditions the efficiency in the use ofN coated with urease inhibitor in maize. The experiment was conducted in the year of 2007/2008. The experimental design was a randomized block design in a factorial 2 x 6, with five repetitions, constituted the N sources (common and coated with urease inhibitor) and levels (0, 40, 80, 120, 160 and 200 kg ha-1 of N) sidedressing nitrogen application in the growth stage V4. Based on the data obtained were determined recovery efficiencies, utilization, agronomic and physiological N applied. In all cases, the efficiency levels for maize were influenced by levels of sidedressing nitrogen application, in which increasing levels of N resulted in a decrease of the efficiencies, regardless of the source being common urea or coated with urease inhibitor.


Asunto(s)
Productos Agrícolas/efectos de los fármacos , Inhibidores Enzimáticos/farmacología , Fertilizantes , Nitrógeno/farmacología , Proteínas de Plantas/antagonistas & inhibidores , Ureasa/antagonistas & inhibidores , Zea mays/efectos de los fármacos , Productos Agrícolas/enzimología , Productos Agrícolas/crecimiento & desarrollo , Nitrógeno/metabolismo , Óxidos/metabolismo , Óxidos/farmacología , Compuestos de Fósforo/metabolismo , Compuestos de Fósforo/farmacología , Proteínas de Plantas/metabolismo , Compuestos de Potasio/metabolismo , Compuestos de Potasio/farmacología , Urea/metabolismo , Urea/farmacología , Ureasa/metabolismo , Zea mays/enzimología , Zea mays/crecimiento & desarrollo
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