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1.
Complement Ther Med ; 29: 42-44, 2016 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-27912955

RESUMEN

OBJECTIVES: To evaluate the feasibility of a dance program for people with moderate to severe dementia living in nursing homeswith regards to recruitment and retention, assessment tools, intervention safety, attendance and engagement. DESIGN: Pilot randomised controlled trial with assessments at weeks 0, 16 and 32. SETTING: A nursing home in Sydney, Australia. INTERVENTIONS: Experienced dance teachers conducted dance groups (intervention) or music appreciation and socialisation groups (control) for 45min, three times a week for 16 weeks. MAIN OUTCOME MEASURES: Descriptive statistics for recruitment and retention, adverse events and attendance and engagement. RESULTS: Recruitment was smooth, attrition was17% over 32 weeks. Engagement during the sessions was high, and no serious falls or behavioural incidents occurred. Average attendance was poorer than anticipated for dance groups (67%) in comparison to music groups (89%). A ceiling effect on the Severe Impairment Battery and the logistical challenges of the Clinical Global Impression of Change meant they may not be optimal tools. CONCLUSIONS: It is feasible to conduct a study of group dance for people with moderate to severe dementia in residential care. Choice of attention control condition should be reconsidered.


Asunto(s)
Baile/fisiología , Demencia/fisiopatología , Demencia/terapia , Anciano , Australia , Femenino , Humanos , Masculino , Casas de Salud , Proyectos Piloto
2.
Br J Cancer ; 106(1): 61-9, 2012 Jan 03.
Artículo en Inglés | MEDLINE | ID: mdl-22134511

RESUMEN

BACKGROUND: Locally advanced inoperable pancreatic cancer (LAPC) has a poor prognosis. By increasing intensity of systemic therapy combined with an established safe chemoradiation technique, our intention was to enhance the outcomes of LAPC. In preparation for phase III evaluation, the feasibility and efficacy of our candidate regimen gemcitabine-oxaliplatin chemotherapy with sandwich 5-fluorouracil (5FU) and three-dimensional conformal radiotherapy (3DCRT) needs to be established. METHODS: A total of 48 patients with inoperable LAPC without metastases were given gemcitabine (1000 mg m(-2) d1 + d15 q28) and oxaliplatin (100 mg m(-2) d2 + d16 q28) in induction (one cycle) and consolidation (three cycles), and 5FU 200 mg m(-2) per day over 6 weeks during 3DCRT 54 Gy. RESULTS: Median duration of sustained local control (LC) was 15.8 months, progression-free survival (PFS) was 11.0 months, and overall survival was 15.7 months. Survival rates for 1, 2, and 3 years were 70.2%, 21.3%, and 12.8%, respectively. Global quality of life did not significantly decline from baseline during treatment, which was associated with modest treatment-related toxicity. CONCLUSION: Fixed-dose gemcitabine and oxaliplatin, combined with an effective and safe regimen of 5FU and 3DCRT radiotherapy, was feasible and reasonably tolerated. The observed improved duration of LC and PFS with more intensive therapy over previous trials may be due to patient selection, but suggest that further evaluation in phase III trials is warranted.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Neoplasias Pancreáticas/terapia , Adulto , Anciano , Anciano de 80 o más Años , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Biomarcadores de Tumor/sangre , Antígeno CA-19-9/sangre , Terapia Combinada , Desoxicitidina/administración & dosificación , Desoxicitidina/análogos & derivados , Femenino , Fluorouracilo/administración & dosificación , Humanos , Masculino , Persona de Mediana Edad , Compuestos Organoplatinos/administración & dosificación , Oxaliplatino , Neoplasias Pancreáticas/tratamiento farmacológico , Neoplasias Pancreáticas/radioterapia , Calidad de Vida , Resultado del Tratamiento , Gemcitabina
3.
Ir Med J ; 104(6): 187-90, 2011 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-22111398

RESUMEN

A review of the efficacy and outcome of fifteen fetoscopic laser ablations under local anaesthesia for twin to twin transfusion syndrome (TTTS) in the National Maternity Hospital Dublin was undertaken. The mean gestation at laser was 19.7 weeks (range 16-25 weeks) with a mean gestation at delivery of 29.1 weeks (range 20-35 weeks). The overall liveborn birth rate was 79% (22 infants) and one pregnancy was still ongoing. There were four neonatal deaths secondary to complications of prematurity. The surviving eighteen infants (64%) undergo regular paediatric review. The procedure was performed successfully in all cases with local anaesthesia. In no case was there maternal discomfort that warranted the procedure to be abandoned and good visual access of the vascular anastamoses was obtained in all cases. Local anaesthesia therefore offers a safe effective anaesthetic option for fetoscopic laser coagulation in monochorionic pregnancies complicated by TTTS.


Asunto(s)
Anestesia Local , Transfusión Feto-Fetal/terapia , Fetoscopía , Coagulación con Láser , Femenino , Edad Gestacional , Humanos , Recién Nacido , Irlanda , Embarazo , Resultado del Embarazo , Embarazo Múltiple , Estudios Prospectivos , Factores de Tiempo
4.
Animal ; 5(8): 1170-8, 2011 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-22440169

RESUMEN

A 2 × 2 factorial experiment was conducted to determine the effects of rearing environment (indoor (In) v. outdoor (Out)) and dietary zinc oxide (ZnO) supplementation (0 (-Zn) v. 3100 (+Zn) mg/kg feed) on the response of weaned pigs to a challenge infection with enterotoxigenic Escherichia coli (ETEC). Pigs from the two rearing environments were weaned onto trial diets at 4 weeks of age, moved into conventional accommodation and infected 3 days later with 109 CFU ETEC per os. Faecal ETEC shedding was determined before and after challenge. After 7 days of ETEC infection, all pigs were euthanized for gut lactic acid bacteria (LAB)-to-coliform ratio, pH and small intestine morphological measurements. Both ZnO and outdoor rearing reduced ETEC excretion, and these effects were additive. Outdoor rearing increased small intestine and colon tissue weight. ZnO increased villus height and goblet cell number in the upper small intestine, LAB-to-coliform ratio (through reduced coliforms) in the lower small intestine and proximal colon, and improved growth performance. There were interactive effects of rearing environment and ZnO supplementation on upper small intestine villus height and daily gain, as outdoor rearing conferred advantages on these variables only with ZnO dietary supplementation. Daily gains were 233, 174, 277 and 347 (s.e.m. 27.2) g/day for the In - Zn, Out - Zn, In + Zn and Out + Zn, respectively. These results suggest different, but complementary mechanisms of intestinal health and performance in outdoor-reared pigs and those offered ZnO supplemented diets. The results indicate that the benefits of ZnO to the weaned pig extend beyond suppression of ETEC and appear mediated through altered development of the small intestine mucosa.

5.
Amino Acids ; 34(2): 203-11, 2008 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-17928942

RESUMEN

The purpose of this study was to delineate the effects of hyperthermia and physical exercise on the heat shock protein 70 (HSP70) response in circulating peripheral blood mononuclear cells (PBMCs). Six healthy, young (age: 24 +/- 3 yrs), moderately trained males (VO(2max): 48.9 +/- 2.7 ml x kg x min(-1)) undertook two experimental trials in a randomised fashion in which the core temperature (T (c)) was increased and then maintained at 39 degrees C during a 90 min bout by either active (AH) or passive (PH) means. AH involved subjects cycling at 90% of their lactate threshold in attire designed to impede heat loss mechanisms. In the PH trial, subjects were immersed up to the neck in a hot bath (40.2 +/- 0.4 degrees C), once the critical T (c) was achieved, intermittent cycling and water immersions were prescribed for the AH and PH conditions, respectively, to maintain the T (c) at 39 degrees C. HSP70 was measured intracellularly pre, post and 4 h after trials, from circulating PBMCs using an ELISA technique. T (c) reached 39 degrees C quicker in PH than during AH trials (PH: 21 +/- 4 min vs. AH: 39 +/- 6 min; P < 0.01), thereafter T (c) was maintained around 39 degrees C (PH: 39.1 +/- 0.2 degrees C; AH: 38.8 +/- 0.3 degrees C; P > 0.05). AH induced a marked leukocytosis in all sub-sets (P < 0.05). PH generated significant monocytosis and granulocytosis (P < 0.05), without changes in lymphocyte counts (P > 0.05). There were no significant increases in intracellular HSP70 at 0 h (AH: Delta - 21.1 +/- 44.8; PH: Delta + 12.5 +/- 32.4 ng/mg TP/10(3)/microl PBMCs; P > 0.05) and 4 h (AH: Delta - 30.0 +/- 40.1; PH: Delta + 36.3 +/- 70.4 ng/mg TP/10(3)/microl PBMCs; P > 0.05) post active and passive heating. Peak HSP70 expressed as a fold-change from rest was also not increased by AH (1.1 +/- 0.9; P > 0.05) or PH (3.2 +/- 4.8; P > 0.05). There were no significant differences between the AH and PH trials at any time-point, and the HSP70 response appeared to be individual specific. These results did not allow us to delineate the effects of hyperthermia and other exercise associated stressors on the heat shock response and therefore further work is warranted.


Asunto(s)
Ejercicio Físico/fisiología , Proteínas HSP70 de Choque Térmico/metabolismo , Hipertermia Inducida , Adulto , Ciclismo/fisiología , Glucemia/metabolismo , Regulación de la Temperatura Corporal , Calcio/sangre , Calor , Humanos , Concentración de Iones de Hidrógeno , Ácido Láctico/sangre , Recuento de Leucocitos , Leucocitos Mononucleares/metabolismo , Masculino
6.
Food Chem Toxicol ; 45(4): 628-37, 2007 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-17157426

RESUMEN

Soy isoflavones are popular supplements among middle-aged and older women based on their potential protection against cancer and their use as alternative hormone replacement therapy. The purpose of this study was to investigate the effects of dietary soy isoflavones on early stage colon cancer in various ages of female rats. Young (1month), mature (11month) and old (22month) female Fisher 344 rats were fed either the control diet or a diet containing 0.4% soy isoflavone isolate for 1week, injected once with 20mg/kg azoxymethane (AOM) and maintained on the diets for another 15weeks. The concentration of isoflavones in the diet was 2g/kgdiet, composed of 1.2g/kg genistin, 0.7g/kg daidzin and 0.1g/kg other isoflavones including glycitin, acetylgenistin, acetyldaidzin, genistein, daidzein, and glycitein. There was no difference over all ages in the development of preneoplastic colonic aberrant crypt foci between rats fed the soy compared to the control diet, indicating that the soy diet did not provide protection against early stage colonic carcinogenesis. On the contrary, several adverse effects of soy supplementation in female AOM-treated rats were observed. Soy-supplemented rats had greater weight loss and a slower recovery of body weight following the AOM injection compared to rats fed the control diet and these changes increased with age. Five of the 21 rats fed the soy supplement died before the end of the experiment while all animals on the control diet survived to term. The density of normal crypts lining the colonic mucosa was reduced in rats fed the soy compared to control diet, indicating gastrointestinal damage. Uterine weights, serum estradiol and serum isoflavone levels were increased in mature and old female rats fed the soy-supplemented diets compared to age-matched controls, suggesting an increasing estrogenic response with age to isoflavone supplementation. These adverse effects of soy isoflavones in aged female animals need further examination because women, and particularly older women, are the prime target population for consumption of soy supplements.


Asunto(s)
Envejecimiento , Azoximetano/toxicidad , Neoplasias del Colon/etiología , Suplementos Dietéticos , Estradiol/sangre , Glycine max , Isoflavonas/administración & dosificación , Lesiones Precancerosas/etiología , Animales , Colon/ultraestructura , Receptor beta de Estrógeno/genética , Femenino , Isoflavonas/sangre , Ratas , Ratas Endogámicas F344
7.
Osteoporos Int ; 17(8): 1225-40, 2006.
Artículo en Inglés | MEDLINE | ID: mdl-16823548

RESUMEN

INTRODUCTION: Conflicting evidence exists regarding the optimum exercise for postmenopausal bone loss. A systematic review and meta-analysis was undertaken to evaluate the effects of randomised controlled trials (RCTs) of progressive, high-intensity resistance training on bone mineral density (BMD) amongst postmenopausal women. METHODS: Structured electronic searching of multiple databases and hand-searching of key journals and reference lists was undertaken to locate relevant studies up to December 2004. Study quality and possible publication bias were assessed using recognised methods. Primary outcomes were absolute changes in BMD at the lumbar spine (LS), femoral neck (FN) and total hip (TH). A priori defined subgroup analyses included concurrent hormonal or antiresorptive therapy or calcium supplementation during the intervention. The weighted mean difference method (WMD) was used for combining study group estimates. Random or fixed effect models were applied according to study heterogeneity observed from the I (2) statistic. RESULTS: At the LS, 14 RCT study groups were homogenous (I (2)=25.2%) in demonstrating a significant increase (P=0.006) in BMD of 0.006 g/cm(2) (fixed effect; 95% CI 0.002-0.011) following high-intensity resistance training. In contrast, marked heterogeneity (I (2)=88.2%) was apparent within 11 RCT study groups evaluating FN. For this comparison, a random effects model showed a positive change in FN BMD of 0.010 g/cm(2) (95% CI -0.002 to 0.021; P = 0.11). Subgroup analyses showed more anatomical variability of BMD responses to resistance training according to participants' hormone therapy use. Treatment effects for study groups increasing all participants' calcium intake showed significant positive BMD changes at TH (P=0.007). Methodological quality of all included studies was low, and a reporting bias towards studies with positive BMD outcomes was evident. CONCLUSIONS: These findings are relevant to the nonpharmacological treatment of postmenopausal bone loss.


Asunto(s)
Ejercicio Físico , Osteoporosis Posmenopáusica/prevención & control , Anciano , Densidad Ósea , Calcio/administración & dosificación , Femenino , Fémur/metabolismo , Humanos , Vértebras Lumbares/metabolismo , Persona de Mediana Edad , Ensayos Clínicos Controlados Aleatorios como Asunto
8.
Environ Sci Technol ; 40(8): 2601-7, 2006 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-16683598

RESUMEN

Few studies have demonstrated changes in community structure along a contaminant plume in terms of phylogenetic, functional, and geochemical changes, and such studies are essential to understand how a microbial ecosystem responds to perturbations. Clonal libraries of multiple genes (SSU rDNA, nirK, nirS, amoA, pmoA, and dsrAB) were analyzed from groundwater samples (n = 6) that varied in contaminant levels, and 107 geochemical parameters were measured. Principal components analyses (PCA) were used to compare the relationships among the sites with respect to the biomarker (n = 785 for all sequences) distributions and the geochemical variables. A major portion of the geochemical variance measured among the samples could be accounted for by tetrachloroethene, 99Tc, No3, SO4, Al, and Th. The PCA based on the distribution of unique biomarkers resulted in different groupings compared to the geochemical analysis, but when the SSU rRNA gene libraries were directly compared (deltaC(xy) values) the sites were clustered in a similar fashion compared to geochemical measures. The PCA based upon functional gene distributions each predicted different relationships among the sites, and comparisons of Euclidean distances based upon diversity indices for all functional genes (n = 432) grouped the sites by extreme or intermediate contaminant levels. The data suggested that the sites with low and high perturbations were functionally more similar than sites with intermediate conditions, and perhaps captured the overall community structure better than a single phylogenetic biomarker. Moreover, even though the background site was phylogenetically and geochemically distinct from the acidic sites, the extreme conditions of the acidic samples might be more analogous to the limiting nutrient conditions of the background site. An understanding of microbial community-level responses within an ecological framework would provide better insight for restoration strategies at contaminated field sites.


Asunto(s)
Bacterias/genética , Genes Bacterianos/genética , Microbiología del Agua , Contaminantes Químicos del Agua , Contaminantes Radiactivos del Agua , Bacterias/efectos de los fármacos , Bacterias/crecimiento & desarrollo , Biodiversidad , Biomarcadores/análisis , Recuento de Colonia Microbiana , Metales/análisis , Metales/toxicidad , Nitratos/análisis , Nitratos/toxicidad , Filogenia , Residuos Radiactivos , Sulfatos/análisis , Sulfatos/toxicidad , Uranio/análisis , Uranio/toxicidad , Contaminantes Químicos del Agua/análisis , Contaminantes Químicos del Agua/toxicidad , Contaminantes Radiactivos del Agua/análisis , Contaminantes Radiactivos del Agua/toxicidad , Abastecimiento de Agua
9.
J Dairy Sci ; 89(2): 640-50, 2006 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-16428634

RESUMEN

A novel whey protein emulsion gel (WPEG) complex was developed to protect dietary unsaturated fatty acids from rumen biohydrogenation with the goal of modifying the fatty acid composition of milk fat. Three experiments were conducted with WPEG complexes made from either whey protein concentrate containing 80% crude protein, whey protein isolate, or whey protein concentrate high-gel capacity. Each experiment lasted 3 wk. All cows received a basal total mixed ration (TMR). During wk 1 and 3, all cows received only the TMR. During wk 2, 3 control cows received 330 g/d of soybean oil added to the TMR, and the other 3 cows received 330 g/d of soybean oil in one of the WPEG complexes. During wk 2, C18:2 increased from 3.29 to 5.88 g/100 g of fat in Experiment 1, 2.91 to 7.42 g/100 g of fat in Experiment 2, and 3.57 to 6.56 g/100 g of fat in Experiment 3 for WPEG cows. Fatty acid C18:3 increased from 0.51 to 0.84, 0.52 to 1.15, and 0.51 to 0.97 g/100 g of fat for Experiments 1, 2, and 3, respectively, for WPEG cows. Higher proportions of C18:1 trans-9 in milk fat of control cows compared with WPEG cows were seen in all experiments. The proportion of C18:1 trans-11 was also higher in control cows in Experiments 1 and 2, but not in Experiment 3. The WPEG complexes successfully protected unsaturated fatty acids from rumen biohydrogenation and resulted in an increase in the unsaturated fatty acid composition of milk fat produced by Holstein cows without increasing the trans 18-carbon monoenes.


Asunto(s)
Bovinos/metabolismo , Grasas Insaturadas en la Dieta/metabolismo , Ácidos Grasos Insaturados/análisis , Geles/administración & dosificación , Proteínas de la Leche/administración & dosificación , Leche/química , Animales , Grasas Insaturadas en la Dieta/administración & dosificación , Emulsiones/administración & dosificación , Emulsiones/química , Grasas/química , Ácidos Grasos/análisis , Ácidos Grasos/sangre , Femenino , Geles/química , Hidrogenación , Reacción de Maillard , Proteínas de la Leche/química , Rumen/metabolismo , Aceite de Soja/administración & dosificación , Aceite de Soja/química , Proteína de Suero de Leche
10.
Appl Microbiol Biotechnol ; 71(5): 748-60, 2006 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-16292532

RESUMEN

High levels of nitrate are present in groundwater migrating from the former waste disposal ponds at the Y-12 National Security Complex in Oak Ridge, TN. A field-scale denitrifying fluidized bed reactor (FBR) was designed, constructed, and operated with ethanol as an electron donor for the removal of nitrate. After inoculation, biofilms developed on the granular activated carbon particles. Changes in the bacterial community of the FBR were evaluated with clone libraries (n = 500 partial sequences) of the small-subunit rRNA gene for samples taken over a 4-month start-up period. Early phases of start-up operation were characterized by a period of selection, followed by low diversity and predominance by Azoarcus-like sequences. Possible explanations were high pH and nutrient limitations. After amelioration of these conditions, diversification increased rapidly, with the appearance of Dechloromonas, Pseudomonas, and Hydrogenophaga sequences. Changes in NO3, SO4, and pH also likely contributed to shifts in community composition. The detection of sulfate-reducing-bacteria-like sequences closely related to Desulfovibrio and Desulfuromonas in the FBR have important implications for downstream applications at the field site.


Asunto(s)
Bacterias/crecimiento & desarrollo , Reactores Biológicos , Ecosistema , Contaminantes Químicos del Agua/metabolismo , Bacterias/clasificación , Bacterias/genética , Carbón Orgánico , Nitratos/metabolismo , Filogenia , Pseudomonas , ARN Ribosómico 16S/genética , Análisis de Secuencia de ADN , Bacterias Reductoras del Azufre , Uranio , Purificación del Agua/métodos
11.
Proc Natl Acad Sci U S A ; 98(26): 15032-7, 2001 Dec 18.
Artículo en Inglés | MEDLINE | ID: mdl-11752452

RESUMEN

The evolution of the Metazoa from protozoans is one of the major milestones in life's history. The genetic and developmental events involved in this evolutionary transition are unknown but may have involved the evolution of genes required for signaling and gene regulation in metazoans. The genome of animal ancestors may be reconstructed by identification of animal genes that are shared with related eukaryotes, particularly those that share a more recent ancestry and cell biology with animals. The choanoflagellates have long been suspected to be closer relatives of animals than are fungi, the closest outgroup of animals for which comparative genomic information is available. Phylogenetic analyses of choanoflagellate and animal relationships based on small subunit rDNA sequence, however, have yielded ambiguous and conflicting results. We find that analyses of four conserved proteins from a unicellular choanoflagellate, Monosiga brevicollis, provide robust support for a close relationship between choanoflagellates and Metazoa, suggesting that comparison of the complement of expressed genes from choanoflagellates and animals may be informative concerning the early evolution of metazoan genomes. We have discovered in M. brevicollis the first receptor tyrosine kinase (RTK), to our knowledge, identified outside of the Metazoa, MBRTK1. The architecture of MBRTK1, which includes multiple extracellular ligand-binding domains, resembles that of RTKs in sponges and humans and suggests the ability to receive and transduce signals. Thus, choanoflagellates express genes involved in animal development that are not found in other eukaryotes and that may be linked to the origin of the Metazoa.


Asunto(s)
Eucariontes/enzimología , Evolución Molecular , Proteínas Tirosina Quinasas Receptoras/genética , Secuencia de Aminoácidos , Animales , ADN Complementario , Eucariontes/genética , Datos de Secuencia Molecular , Filogenia , Proteínas Tirosina Quinasas Receptoras/química , Homología de Secuencia de Aminoácido
12.
J Reconstr Microsurg ; 17(5): 335-40, 2001 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-11499467

RESUMEN

The reverse-flow radial forearm flap provides excellent coverage for distal upper-limb defects. It is simply raised and does not require microsurgical skills. However, since its vascular pedicle is reversed, its venous outflow can be significantly diminished because of the venous valves. The authors present the case of a 16-year-old patient with a sagittal amputation of the radial aspect of the right thumb, who manifested at the time of surgery marked venous engorgement of a reverse-flow radial forearm flap. This was successfully relieved by the placement of a mechanical leech consisting of a Silastic rubber catheter--of the kind used to gain central vascular access in newborns--introduced in the lumen of the reversed vein at the extremity of the flap. This permitted intermittent evacuation of blood from the flap postoperatively, contributing to the success of this procedure. The technique used is detailed and pertinent literature is reviewed.


Asunto(s)
Amputación Traumática/cirugía , Antebrazo/irrigación sanguínea , Antebrazo/cirugía , Aplicación de Sanguijuelas/métodos , Procedimientos de Cirugía Plástica/métodos , Colgajos Quirúrgicos/irrigación sanguínea , Pulgar/lesiones , Pulgar/cirugía , Adolescente , Amputación Traumática/fisiopatología , Antebrazo/fisiopatología , Humanos , Masculino , Trasplante de Piel/métodos , Trasplante de Piel/fisiología , Colgajos Quirúrgicos/fisiología , Pulgar/irrigación sanguínea , Venas/fisiopatología , Venas/cirugía
13.
J Leukoc Biol ; 69(4): 505-12, 2001 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-11310835

RESUMEN

The bactericidal/permeability-increasing protein (BPI) is an endotoxin-binding neutrophil leukocyte-granule protein with antibacterial and anti-endotoxin properties. A recombinant form of BPI (rBPI21) has been developed and is being tested as a therapeutic agent to treat gram-negative bacterial infections and exposure to gram-negative bacterial endotoxin. BPI is also a target antigen of anti-neutrophil cytoplasmic autoantibodies (ANCA). BPI-ANCA are present in cystic fibrosis, inflammatory bowel disease, vasculitis, and primary sclerosing cholangitis; presence of BPI-ANCA appears associated with a higher inflammatory disease activity and greater organ damage. BPI-ANCA as well as ANCA directed at other neutrophil-granule proteins may exacerbate inflammation by nonspecific effects of extracellular and cell-associated immune complexes. BPI-ANCA may further worsen inflammation by reducing the ability of BPI to promote clearance of gram-negative bacteria and bacterial-associated endotoxin.


Asunto(s)
Anticuerpos Anticitoplasma de Neutrófilos/inmunología , Autoantígenos/inmunología , Proteínas Sanguíneas/inmunología , Proteínas de la Membrana , Adulto , Animales , Especificidad de Anticuerpos , Péptidos Catiónicos Antimicrobianos , Enfermedades Autoinmunes/inmunología , Proteínas Sanguíneas/química , Niño , Preescolar , Ensayos Clínicos Fase I como Asunto , Ensayos Clínicos Fase II como Asunto , Citocinas/metabolismo , Gránulos Citoplasmáticos/química , Evaluación Preclínica de Medicamentos , Endotoxinas/metabolismo , Eosinófilos/metabolismo , Predicción , Infecciones por Bacterias Gramnegativas/tratamiento farmacológico , Humanos , Lactante , Inflamación/inmunología , Ratones , Estudios Multicéntricos como Asunto , Neutrófilos/metabolismo , Ensayos Clínicos Controlados Aleatorios como Asunto , Proteínas Recombinantes de Fusión/inmunología , Proteínas Recombinantes de Fusión/uso terapéutico , Vasculitis/inmunología
14.
Physiother Res Int ; 6(4): 236-50, 2001.
Artículo en Inglés | MEDLINE | ID: mdl-11833245

RESUMEN

BACKGROUND AND PURPOSE: Physiotherapists use a variety of techniques aimed at improving lung volumes and secretion clearance in patients after surgery. Periodic continuous positive airway pressure (PCPAP) is used to treat patients following elective upper abdominal surgery. However, the optimal method of application has not been identified, more specifically, the dosage of application of PCPAP. The present randomized controlled trial compared the effects of two dosages of PCPAP application and 'traditional' physiotherapy upon functional residual capacity (FRC), vital capacity (VC), oxyhaemoglobin saturation (SpO2), incidence of post-operative pulmonary complications and length of stay with a control group receiving 'traditional' physiotherapy only. METHOD: Fifty-seven subjects were randomly allocated to one of three groups. All groups received 'traditional' physiotherapy twice daily for a minimum of three post-operative days. In addition, two groups received PCPAP for 15 or 30 minutes, four times per day, for three days. RESULTS: Fifty subjects (39 male; 11 female) completed the study. There were no significant differences in any variables between the three groups. The overall incidence of post-operative pulmonary complications was 22% in the control group, 11% and 6% in the PCPAP 15-minute and PCPAP 30-minute groups, respectively. Length of hospital stay was not significantly different between the groups but for subjects who developed post-operative pulmonary complications, the length of stay was significantly greater (Z = -2.32; p = 0.021). CONCLUSIONS: The addition of PCPAP to a traditional physiotherapy post-operative treatment regimen after upper abdominal surgery did not significantly affect physiological or clinical outcomes.


Asunto(s)
Abdomen/cirugía , Modalidades de Fisioterapia/métodos , Respiración con Presión Positiva/métodos , Complicaciones Posoperatorias/prevención & control , Trastornos Respiratorios/prevención & control , Anciano , Análisis de Varianza , Ejercicios Respiratorios , Femenino , Humanos , Masculino , Máscaras , Mecánica Respiratoria , Estadísticas no Paramétricas
15.
Aust N Z J Surg ; 70(8): 563-8, 2000 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-10945548

RESUMEN

BACKGROUND: The purpose of the present study was to document the value of an implanted multichannel neuroprosthesis (Freehand System) for restoring hand grasp in the first Australians to receive this device. METHODS: Hand function in C5 quadriplegic patients was assessed via measurement of pinch forces, a grasp release test and tests of activities of daily living (ADL). Comparisons were made between presurgery scores and scores recorded after rehabilitation when the neuroprosthesis was and was not in use. RESULTS: A significant difference for both lateral pinch (P = 0.003) and palmar grasp (P = 0.003) was found between forces recorded with and without the use of the neuroprosthesis after rehabilitation, but not between forces recorded presurgery and during rehabilitation without the neuroprosthesis. All subjects were able to grasp, move and release more objects within the 30-s test period with the neuroprosthesis than without it. Collective results for the eight ADL tests for all six subjects show that, in 35 of the 48 (73%) occasions, less physical assistance and/or adaptive equipment was required when the Freehand system was employed compared to when it was not used. In 41 of the 48 (85%) occasions, the six subjects expressed a preference for using the neuroprosthesis to perform these activities of daily living. Twelve months after rehabilitation, five of the six subjects still used the neuroprosthesis daily or every second day. CONCLUSION: The Freehand neuroprosthesis has provided useful hand function with few surgical and technical difficulties in these patients. Regular ongoing use of the device indicates user satisfaction.


Asunto(s)
Actividades Cotidianas , Terapia por Estimulación Eléctrica/instrumentación , Fuerza de la Mano , Mano/fisiopatología , Cuadriplejía/fisiopatología , Cuadriplejía/rehabilitación , Adulto , Australia , Terapia por Estimulación Eléctrica/efectos adversos , Terapia por Estimulación Eléctrica/métodos , Electrodos Implantados , Diseño de Equipo , Femenino , Humanos , Masculino , Selección de Paciente , Cuadriplejía/clasificación , Índice de Severidad de la Enfermedad , Resultado del Tratamiento
16.
Plast Reconstr Surg ; 105(3): 964-71, 2000 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-10724256

RESUMEN

Ischemia of the distal latissimus dorsi muscle flap occurs when the entire muscle is acutely elevated. Although this level of ischemia may not be critical if the muscle is to be used as a conventional muscle flap, the ischemia causes decreased distal muscle function if it is used for dynamic muscle flap transfer. This experiment was designed to determine whether or not the administration of exogenous basic fibroblast growth factor (bFGF), combined with a sublethal ischemic insult (i.e., vascular delay), would further augment muscle perfusion and function. Both latissimus dorsi muscles of nine canines were subjected to a bipedicle vascular delay procedure immediately followed by thoracodorsal intraarterial injection of 100 microg of bFGF on one side and by intraarterial injection of vehicle on the other. Ten days later, both latissimus dorsi muscles were raised as thoracodorsally based island flaps, with perfusion determined by laser-Doppler fluximetry. The muscles were wrapped around silicone chambers, simulating cardiomyoplasty, and stimulating electrodes were placed around each thoracodorsal nerve. The muscles were then subjected to an experimental protocol to determine muscle contractile function. At the end of the experiment, latissimus dorsi muscle biopsies were obtained for measurement of bFGF expression. The results demonstrated that the administration of 100 microg of bFGF immediately after the vascular delay procedure increases expression of native bFGF. In the distal and middle muscle segments, it also significantly increased muscle perfusion by approximately 20 percent and fatigue resistance by approximately 300 percent. The administration of growth factors may serve as an important adjuvant to surgical procedures using dynamic muscle flap transfers.


Asunto(s)
Factor 2 de Crecimiento de Fibroblastos/farmacología , Precondicionamiento Isquémico , Contracción Muscular , Músculo Esquelético/irrigación sanguínea , Colgajos Quirúrgicos/irrigación sanguínea , Animales , Western Blotting , Perros , Estimulación Eléctrica , Factor 2 de Crecimiento de Fibroblastos/análisis , Factor 2 de Crecimiento de Fibroblastos/fisiología , Flujometría por Láser-Doppler , Músculo Esquelético/metabolismo , Flujo Sanguíneo Regional , Colgajos Quirúrgicos/fisiología
17.
J Rehabil Res Dev ; 33(2): 111-22, 1996 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-8724167

RESUMEN

The technology for functional neuromuscular stimulation (FNS) as a means of providing upper limb function to people with tetraplegia has been under development by three clinical research groups for almost two decades. This paper presents the current status of the clinical trials of three FNS systems: a noninvasive system built into a cosmetic forearm splint, a 30-channel percutaneous system, and an 8-channel implantable system. The complexity of FNS systems and the unique characteristics of the individuals to whom they are applied combine to create many clinical and technical challenges that must be addressed before the devices can be deployed. The emerging challenges to widespread clinical introduction of FNS systems for hand and arm function are identified and analyzed. In addition to the demands of designed and conducting the clinical trials to satisfy regulatory requirements, the lack of knowledge, skepticism, and the complacency on the part of potential FNS recipients, as well as of rehabilitation professionals, must be overcome through education and careful consideration of economic and societal factors in the design of clinical systems.


Asunto(s)
Brazo/fisiología , Terapia por Estimulación Eléctrica/instrumentación , Destreza Motora/fisiología , Prótesis e Implantes , Cuadriplejía/rehabilitación , Electrodos Implantados , Humanos , Diseño de Prótesis , Traumatismos de la Médula Espinal/rehabilitación
19.
J Stud Alcohol ; 54(3): 297-301, 1993 May.
Artículo en Inglés | MEDLINE | ID: mdl-8487537

RESUMEN

This study examines the relationship between spirituality and recovery from alcoholism. Spirituality was defined as the extent of practice of Alcoholics Anonymous Steps 11 and 12 and was measured by a Step Questionnaire developed by the researcher. Step 11 suggests prayer and meditation and Step 12 suggests assistance of other alcoholics. Expressed degree of purpose in life was also seen as a reflection of spirituality. It was postulated that the extent to which Steps 11 and 12 were practiced would be positively correlated with the extent of purpose in life reported by 100 Alcoholics Anonymous members. The major findings of this study are significant positive correlations between practice of Step 11 and purpose in life scores (r = .59, p < .001) and between Step 11 and length of sobriety (r = .25, p < .01). Number of Alcoholics Anonymous meetings attended was significantly correlated with purpose in life scores (r = .24, p < .01) and length of sobriety (r = .25, p < .01). These findings suggest that a sense of purpose in life increases with continuing sobriety and practice of the spiritual principles of Alcoholics Anonymous.


Asunto(s)
Alcohólicos Anónimos , Alcoholismo/rehabilitación , Religión y Psicología , Adulto , Anciano , Anciano de 80 o más Años , Alcoholismo/psicología , Femenino , Humanos , Control Interno-Externo , Masculino , Persona de Mediana Edad , Desarrollo de la Personalidad , Inventario de Personalidad , Templanza/psicología
20.
Paraplegia ; 30(3): 223-6, 1992 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-1630853

RESUMEN

The increasing number of incomplete cervical spinal cord injuries means that more attention needs to be focused on the rehabilitation of the incomplete quadriplegic hand. A case study, describing the application of electrical stimulation for strengthening the paretic lumbrical muscles, is presented. A 2 week strengthening program resulted in a 33% increase in the force produced by the lumbrical muscles. No loss of strength had occurred 4 weeks after cessation of the treatment. The magnitude and speed of this result should be of interest to those clinicians who seek to maximise patient independence in minimal time.


Asunto(s)
Terapia por Estimulación Eléctrica , Mano , Músculos , Cuadriplejía/rehabilitación , Adulto , Articulaciones de los Dedos/fisiopatología , Dedos/fisiopatología , Mano/fisiopatología , Humanos , Masculino , Articulación Metacarpofalángica/fisiopatología , Músculos/fisiopatología , Presión , Cuadriplejía/fisiopatología , Rango del Movimiento Articular
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