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C Vázquez

Publications and source records attributed to C Vázquez.

At least 19 recordsLinked to original sources
PubMed1999

[Nutrition surveys of Spanish school-age children: analysis of the period 1984-1994].

OBJECTIVE: To review available data on the usual dietary intake of school-age Spanish children, by analyzing the nutritional surveys carried out during the period 1984-1994. METHODS: Systematic and comprehensive search of surveys with dietary data in Spanish children aged 6 to 16 years collected during the period 1984-1994 and published after January 1997. The search of bibliographic databases (MEDLINE, IME, ISBN and Teseo), was completed with an extensive search of the gray literature and of unpublished studies through contact with public and private institutions which may fund such studies. The quality of the original surveys was assessed, and the data of the studies fulfilling pre-established quality requirements were summarized and tabulated. RESULTS: We located 65 nutritional surveys in children and adolescents performed between 1984 and 1994, which generated 91 documents. Most surveys (76.9%) were local, while 18.5% of them studied provinces or regions and 3.1% studied more than one region. Only 4 studies (6.2%) met the quality requirements, but the methods or the presentation of the results of these surveys were too heterogeneous. In spite of that, the available data tends to show a certain lack of balance of macronutrient intakes in relation to the usual dietary recommendations. CONCLUSIONS: Available data on nutritional intake of Spanish school-age children during 1984-1994 were too heterogeneous to be comparable, even if the analysis was restricted to high-quality surveys. Furthermore, there are no repeated surveys monitoring changes in intake in representative samples of children performed during the study period. This should be taken into account in future research endeavours which should contemplate a well defined sampling framework and the appropriate methodology to assure the proper interpretation of the eventual results.

Adolescent↗
PubMed1999

Genetic and clinical analysis in 10 Spanish patients with multiple endocrine neoplasia type 1.

Multiple endocrine neoplasia type 1 (MEN 1) is characterised by the combination of tumours of the parathyroid, endocrine pancreas and anterior pituitary glands. In 1988 the MEN 1 gene was mapped to chromosome 11q13 and it was cloned in 1997. This gene contains 10 exons and extends across 9 Kb of genomic DNA; it encodes for a product of 610 amino acid named menin whose function is unknown. We have studied 10 unrelated MEN 1 kindreds by a complete sequencing analysis of the entire gene; mutations were identified in nine of them: five deletions, one insertion, two nonsense mutation and a complex alteration consisting of a deletion and an insertion that can be explained by a hairpin loop model. Two of the mutations have been previously described; the other seven were novel, and they were scattered throughout the coding sequence of the gene. As in previous series, no correlation was found between phenotype and genotype.

Base Sequence↗
PubMed1998

Differential patterns of mental disorders among the homeless in Madrid (Spain) and Los Angeles (USA).

In this paper we compare rates of mental disorders (major depression, dysthymia, cognitive impairment, and schizophrenia) among homeless people in Madrid and Los Angeles (LA) and examine the ordering of the onset of both conditions (i.e., homelessness and mental disorders). In the Madrid study, 262 homeless persons were interviewed using the CIDI. In the LA study, 1563 homeless persons were interviewed with the DIS. To make an item-by-item comparison, we companied the databases from both studies to submit a single database to statistical analyses. Results showed no significant differences in DSM-III-R life-time prevalence rates of mental disorders between both samples. However, the Madrid sample showed higher 12-month prevalence rates of dysthymia and cognitive impairment as compared to the LA sample. Most subjects across both cities first experienced symptoms of their mental disorders before first becoming homeless. The only significant difference was that all of the depressed adults in Madrid experienced depression prior to first becoming homeless, whereas this was the case for only 59.1% of LA depressed homeless people. We discuss the reasons for these cultural differences and their implications for cross-national public health research and intervention.

Adolescent↗
PubMed1998

[West's syndrome associated with inversion duplication of chromosome 15].

We describe a five year old boy with inversion duplication of chromosome 15 (inv dup (15)) who, at the age of six months had started to develop West's syndrome. He later developed cryptogenic myoclonic epilepsy which was resistant to medication. On examination there was dysmorphia, overall hypotonia and diffuse pyramidalism. On starting ACTH the crises of flexion spasms were reduced but these were soon followed by myoclonic crises, both tonic and atonic, which did not respond to the various anticonvulsive treatments given. We comment on the changes in chromosome 15 linked to convulsions, and particularly the phenotypes of the inv dup (15) which depend on the size and genetic composition of the anomaly. This is the third case described in the literature of a patient with West's syndrome associated with supernumerary inversion duplication of chromosome 15. It is suggested that the karyotype be included when studying convulsive encephalopathies and cryptogenic refractory epilepsy, especially in infantile spasms.

Child, Preschool↗
PubMed1997

Missense mutation R1066C in the second transmembrane domain of CFTR causes a severe cystic fibrosis phenotype: study of 19 heterozygous and 2 homozygous patients.

We report the clinical features of 21 unrelated cystic fibrosis (CF) patients from Portugal and Spain, who carry the mutation R1066C in the CFTR gene. The current age of the patients was higher in the R1066C/any mutation group (P < 0.01), as compared to the deltaF508/deltaF508 group. Poor values for lung radiological involvement (Chrispin-Norman) and general status (Shwachman-Kulcycki) were observed in the R1066C/any mutation group (P < 0.005 and P < 0.0004). A slightly, but not significantly worse lung function was found in the R1066C/any mutation group when compared with the deltaF508/deltaF508 patients. No significant differences were detected regarding the age at diagnosis, sweat Cl-values, or percentiles of height and weight between the two groups. Neither were significant differences observed regarding sex, meconium ileus (4.7% vs. 11.1%), dehydration (10.5% vs. 14.7%), or pancreatic insufficiency (PI) (100% vs. 97.8%). The proportion of patients with lung colonization by bacterial pathogens was slightly, but not significantly higher in the R1066C/any mutation group (70.0%), as compared with the deltaF508/deltaF508 group (57.5%). Other clinical complications were significantly more frequent in the R1066C/any mutation patients(P < 0.02) than in the deltaF508/deltaF508 group. The two homozygous R1066C/R1066C patients died at the ages of 3 months and 7 years. The data presented in this study clearly demonstrate that the R1066C mutation is responsible for a severe phenotype similar to that observed in homozygous deltaF508 patients. The poor clinical scores and complications of patients with the R1066C mutation are probably related to their slightly longer survival.

Adolescent↗
PubMed1997

A single, double lumen high-flow catheter for patients undergoing peripheral blood stem cell transplantation. Experience at the National Cancer Institute in Mexico.

Peripheral blood stem cell transplantation (PBSCT) requires a high-flow catheter for adequate cell collection by apheresis and long i.v. support, this is usually achieved by multiple catheters. We analyzed our experience with Mahurkar or Permacath for apheresis and long-term i.v. support in PBSCT, cared for exclusively by an i.v. therapy team. Fifty-six catheters were used in 53 patients that completed PBSCT (28 Permacath and 28 Mahurkar). In 10 patients (19%) the same catheter was used for multiple PBSCT. The average stay was 58.4 days (7-219), Permacath 76.8 days (14-219) and Mahurkar 42 days (7-106). The incidence of infectious complications was 2.2 x 1000 catheter-days (1.7 Permacath and 3.0 Mahurkar); during neutropenia it was 3.7 x 1000 cathether-days. The incidence of thrombosis was 0.9 x 1000 catheter-days. There was a total of seven infectious episodes (12.7%). Five (9%) were local and two were (3.6%) bacteremias. The microorganism most commonly isolated was Staphylococcus sp. (57%). Four catheters (7.1%) were removed because of complications: one thrombosis and three infections. Both catheters have proven useful and safe for long-lasting vascular access in patients undergoing PBSCT. No statistical difference was found in infectious and non-infectious complications between either catheters.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed1997

Lifetime and 12-month prevalence of DSM-III-R mental disorders among the homeless in Madrid: a European study using the CIDI.

The characteristics of homeless people in Europe are almost unknown. The aim of this study was to describe the lifetime and 12-month prevalence of DSM-III-R/CIDI mental disorders among the homeless population of Madrid. A total of 261 homeless subjects, sampled from different sites, participated in the study. In terms of DSM-III-R lifetime rates, 50% of the sample had substance-related disorders and 35% had non-substance-related disorders. In total, 67% of the study subjects had some type of disorder. The lifetime prevalence of schizophrenia (4%) was lower than reported in most previous studies. Although the mental illness pattern is similar to that observed in studies using the same diagnostic methods, the results reported here show a lower prevalence of drug abuse and schizophrenic disorders. The reasons for these cultural differences and their implications for international public health research are discussed.

Adolescent↗
PubMed1997

Control of polygalacturonase synthesis in Fusarium oxysporum f.sp. radicis lycopersici.

Genetic control of polygalacturonase (PG) activity from Fusarium oxysporum f.sp. radicis lycopersici was analyzed on pectin and glucose cultures. One exopolygalacturonase from F. oxysporum f.sp. radicis lycopersici was strongly induced, in stationary culture, when the fungus was grown on apple pectin, while on glucose no extracellular PG activity could be detected. Although SDS-PAGE detected the presence of a putative PG band (66 kDa) in both conditions, specific antibodies obtained against the purified PG only detected it in PG-inducing conditions, that is to say, when apple pectin was used as the carbon source. Northern blot analysis of RNA of two isolates of F. oxysporum f.sp. radicis lycopersici (r6 and r2) confirmed that this regulation of PG synthesis was exerted at the transcriptional level. Only one single mRNA species of around 1400 nucleotides was detected on the cultures containing pectin and was absent in glucose-grown cultures. Southern blot analysis of genomic DNA indicated that pg gene seems to be present in a single copy in the genomes of F. oxysporum f.sp. radicis lycopersici r6 and r2 and Fusarium oxysporum f.sp. lycopersici, showing similar hybridization patterns in all species. The partial sequence of this pg gene from F. oxysporum f.sp. radicis lycopersici r6, which is also reported, showed high similarity to diverse PGs already reported. Exopolygalacturonase of F. oxysporum f.sp. radicis lycopersici r6 is heavily glycosylated; its deglycosylated form had a molecular mass of 50 kDa.

Amino Acid Sequence↗
PubMed1997

The effect of different pectic growth substrates on beta-glucosidase in Fusarium oxysporum f. sp. radicis lycopersici: partial purification and characterization.

Fusarium oxysporum f. sp. radicis lycopersici produces beta-glucosidase activities when it grows on pectin and glucose. The pectins were better substrates than glucose. In the medium containing galacturonic acid or sucrose the activity was present in low levels and at the end of autolysis. A beta-glucosidase from the pectin medium was purified by ion exchange chromatography followed by gel filtration. The enzyme was a unique band of protein in SDS-PAGE and isoelectric focussing. It had a molecular weight of 86,000 and a pI of 4.8. This beta-glucosidase was a glycoprotein.

Chromatography, Ion Exchange↗
PubMed1997

The course of pectin degradation by polygalacturonases from Fusarium oxysporum f. sp. radicis lycopersici.

The production of polygalacturonases from Fusarium oxysporum f. sp. radicis lycopersici (FORL) occurred sequentially, and endo- and exo-polygalacturonases (PG) predominated at different times during growth. At first FORL produced a PG which did not release monomers from pectins and was unable to hydrolyse dimers and trimers. Later a complex was produced in which exo-PG seemed to be the predominant activity; the monomer was released rapidly and this activity was able to degrade dimers and trimers.

Fusarium↗
PubMed1996

Family psychoeducational support groups in Spain: parents' distress and burden at none-month follow-up.

Forty-one mothers and twenty-seven fathers agreed to participate in a 6-week, low-cost, multiple-family psychoeducational intervention in Spain. Their knowledge acquisition, subjective distress, annoyance at patient's behavior, perception of social impact of the patient's illness, expectations about patient's recovery, and family burden were measured before and after the intervention and at 9-month follow-up. Ninety-three percent of the fathers and 78% of the mothers attended four or more classes. Although parents acquired a significant amount of knowledge about the illness, no significant score differences were found immediately after the intervention or at follow-up in the other measures. However, significant father-mother differences were revealed. Compared with mothers, fathers were more optimistic throughout the study about the outcome of the illness, became more aware of the social and financial impact of the illness on the family, and reported feeling less annoyed by the patient's behavior at follow-up. The results indicate that low-cost psychoeducational multiple family groups alone do not decrease family distress and burden. These findings also suggest that psychoeducational interventions need to consider differences in gender and family roles and underline the importance of engaging fathers in treatment.

Adaptation, Psychological↗
PubMed1996

[Home mechanical ventilation by nasal mask in a patient with Duchenne's disease].

The clinical course of Duchenne's dystrophy is characterized by respiratory insufficiency secondary to failure of the breathing pump. Up to ten years ago, this respiratory insufficiency was corrected by mechanical ventilation via a tracheostomy. In recent years, nasal mechanical ventilation has been a considerable advance in the treatment of these patients' respiratory problems. We describe a patient with Duchenne's dystrophy who was satisfactorily treated by non-invasive mechanical ventilation.

Adolescent↗
PubMed1996

[Migraine].

Explore the source record for details and available documents.

Adolescent↗
PubMed1996

[Nutrient and food consumption by ages and gender in school children from the Community of Madrid (CAENPE)].

UNLABELLED: The objective of the present work was to know the consume of foodstuffs and nutrients among schoolchildren in the Madrid Autonomous Community and also the relative contribution of each group of foodstuffs to the overall intake of macronutrients. This study had a sectional observational design involving 2,608 children (51% males and 49% females) with ages ranging from 6 to 14 years who were randomly recruited from conglomerate of schools, according to socio-economic status and rural/urban residence. The inquiry on nutrients in 4 non consecutive days was analyzed (2 "24 hour-recall" and 2 "intake recall"). RESULTS: a) the consume of proteins, lipids, and carbohydrates represented 17%, 43% and 40% of the total caloric value, respectively; b) the intake of meats, sausages, sweets, tidbits, and processed products was very high. This fact is in origin of the excessive total and saturated lipid intake; c) there was a scarce intake of vegetables, cereals and potatoes among children of all ages and dairy products in children older than 12 years; d) the intake of legumes, eggs and fruits was appropriate; e) males consumed proportionally higher amounts than females of the following groups of foodstuffs: cereals, sweets and tidbits. The consume of meat, sausages, fish, eggs, potatoes, dry fruits and dairy products was similar in both sexes. Females consumed proportionally more fat foodstuffs, vegetables, fruits, legumes and processed products; f) females consumed a diet with a still higher lipid and protein content than males. These findings can serve as a basis to develop educational guidelines with a practical impact on family and school menus.

Adolescent↗
PubMed1995

Characterization of the antifungal protein secreted by the mould Aspergillus giganteus.

An antifungal polypeptide (AFP) of 51 amino acid residues, secreted by the mould Aspergillus giganteus, has been purified to homogeneity and characterized. The inhibitory effect of this protein on the growth of different microorganisms has been studied. Whereas the growth of many of the filamentous fungi assayed is inhibited, no effect has been observed against yeasts or bacteria. The minimal concentration for total inhibition of the growth is in the range 6 to 25 microM. The antifungal polypeptide does not produce any effect on the growth of the producing mould. The polypeptide promotes aggregation of acidic phospholipid vesicles. A remarkable resistance to proteolysis and a low hydrogen x deuterium exchange have been observed for this protein. The protein does not show any thermal transition up to 80 degrees C when studied by differential scanning calorimetry and infrared spectroscopy. The uv absorbance, fluorescence emission, and circular dichroism (CD) characteristics of this protein have been studied. The protein exhibits a strong positive band at 230 nm as a prominent feature of the CD spectrum in the far uv region. All the spectroscopical properties of the antifungal protein are highly influenced by the abundance of tyrosine residues. These can be grouped in two different populations, buried and exposed, based on the results of pH-titration experiments. Fourier-transform infrared spectroscopy reveals a high content of beta-structure in AFP. Reduction and carboxy-amidomethylation produces a rather unstructured polypeptide as deduced from its spectroscopical properties.

Aspergillus↗
PubMed1995

Family environment predictors of outcome in schizophrenic patients in Spain: a nine-month follow-up study.

This study investigates the effects of perceived family environment on clinical outcome among patients in Spain who suffer from schizophrenia. Forty-five consecutively admitted DSM-III-R schizophrenic patients were assessed monthly with the Brief Psychiatric Rating Scale during a 9-month period. Patients and parents rated the family environment through the Family Environment Scale (FES). FES factors were considered separately for each family member, since parents' and patient's perceptions of the family environment were weakly correlated. Stepwise multiple regression analysis showed that patients' perceptions of family control and intellectual-cultural orientation predicted rehospitalization. Patients' and mothers' ratings of family control and fathers' scores of conflict and moral religious emphasis predicted psychotic relapse. However, fathers' scores of family cohesion predicted higher negative symptoms. Prior admissions, age of onset and use of depot medication tended to predict outcome in conjunction with the family variables.

Adolescent↗