[Validation of a clinical nutritional sucking scale].

Objective: Suck dysfunction in breastfeeding infants has an impact on their appropriate nutrition. The objective was to build and validate one clinical nutritional sucking scale in the components of sucking, swallowing, and respiration.

Methods: The scale was carried out in two phases: face-validity and psychometric validity.

Factors associated with nosocomial surgical-site infections for craniotomy in Mexico City hospitals.

Background: Nosocomial surgical-site infection (NSSI) after craniotomy is responsible for an increase in deaths and/or disabilities that affect quality of life. It is necessary to identify factors to be included in an index for their control. The aim of this study was to a) identify intrinsic and extrinsic factors associated with NSSI after craniotomy and b) obtain the infection risk attributed to both intrinsic and extrinsic factors as well as to compare their predictive capability with the NNISS (National Nosocomial Infection Surveillance System) index.

[Incidence of nosocomial surgical-site infections. Application of National Nosocomial Infections Surveillance System (NNIS) index and description of clinical and biochemical features from patients undergoing first-time ventriculoperitoneal shunt].

Objective: We undertook this study to determine the incidence of nosocomial surgical-site infections, apply the National Nosocomial Infections Surveillance (NNIS) index, and describe the clinical and biochemical characteristics of patients prior to a first-time ventriculoperitoneal shunt (VPS).

Methods: We conducted a cohort study for 1 year with patients aged 18 years or older who underwent VPS. Patients were followed up for 30 days to identify the presence of an infection.

[Comparative clinical study of dexamethasone vs. nebulized salbutamol in acute bronchiolitis].

Objective: Asess the efficacy of nebulized salbutamol and dexamethasone compared with nebulized salbutamol, in patients with bronchiolitis.

Material And Methods: A blinded clinical trial was performed with 49 patients between 1-18 months diagnosed with bronchiolitis with three days or less of disease evolution. Participant's parents signed an informed consent and patients did not receive prior medication.

[Depression prevalence and risk factors found in women attended by a family physician].

Objectives: Determine the prevalence of depressive symptoms in adult woman who was attended by family physician, to explore risk factors for depression and estimate how often depression is registered as a diagnosis by the family physician.

Materials And Methods: We did a prospective, analytic, and transversal study with simple randomized sampling at a Mexico City Family Medicine Clinic from March to December 2004. The size of the study was 384 patients.

Effect of a Psidii guajavae folium extract in the treatment of primary dysmenorrhea: a randomized clinical trial.

Objective: To assess the efficacy of two different doses of a Psidii guajavae folium extract in the management of primary dysmenorrhea.

Methodology: A double-blinded randomized clinical trial was conducted in 197 women with primary dysmenorrhea. Four intervention groups were defined: two extract doses (3 and 6 mg/day); ibuprofen (1200 mg/day); placebo (3mg/day).

[Elaboration and validation of an index for preeclampsia diagnosis].

Objective: To build a consistent and valid preeclampsia diagnosis index (IDP) for its Spanish acronyms.

Patients And Method: The study was done in a Gyneco-Obstetrics Hospital and a Family Medicine Unit from March 2000 to February 2001. Fifty items were chosen from the literature, with a design to validate diagnostic tests, which were assessed by family doctors and gyneco-obstetricians in regard to their appearance and content validity.

Incidence of leukemias in children from El Salvador and Mexico City between 1996 and 2000: population-based data.

Background: There are very few studies that report the incidence of acute leukemias in children in Latin America. This work assesses the incidence of acute leukemias, between 1996 and 2000, in children from 0-14 years old who were attended at the Mexican Social Security Institute in Mexico City and in children from 0-11 years old in El Salvador.

Design: Population-based data.

Frequency of cancer in children residing in Mexico City and treated in the hospitals of the Instituto Mexicano del Seguro Social (1996-2001).

Background: The objective of this article is to present the frequency of cancer in Mexican children who were treated in the hospitals of the Instituto Mexicano del Seguro Social in Mexico City (IMSS-MC) in the period 1996-2001.

Methods: The Registry of Cancer in Children, started in 1996 in the IMSS-MC, is an on-going, prospective register. The data from 1996 through 2001 were analyzed and the different types of cancer were grouped according to the International Classification for Cancer in Children (ICCC).

[Clinical significance of the laboratory determinations in preeclamptic patients].

Objective: To determine the clinical significance and optimal cutting points of laboratory tests more frequently used in patients with pre-eclampsia of recent diagnosis.

Materials And Methods: We made an analytic cross-sectional study for evaluation of diagnostic test. Non probabilistic sampling.

The emotional response of families to children with leukemia at the lower socio-economic level in central Mexico: a preliminary report.

Little research has been done in developing countries on the emotional impact experienced by families who have a child diagnosed with leukemia. This preliminary study looked at parents in Mexico who had to cope with their child's leukemia in the face of meager financial and social resources. The 51 children in the study were under 15 years and being treated for leukemia in hospitals affiliated with the Mexican Social Security Institute (IMSS) where their parents were interviewed using a questionnaire to ascertain their emotional responses to the illness.

Epidemiological characteristics of retinoblastoma in children attending the Mexican Social Security Institute in Mexico City, 1990-94.

The object of this study is to present descriptive epidemiological characteristics of retinoblastoma (Rb) in children aged 0-14 years, seen at the Mexican Social Security Institute hospitals in Mexico City (MC) from 1990 to 1994. This is a retrospective, observational hospital survey. Clinical records of 52 Rb cases were reviewed; 39 were patients who did not reside in MC (non-residents), and 13 were MC residents.

Intestinal anti-spasmodic effect of a phytodrug of Psidium guajava folia in the treatment of acute diarrheic disease.

Ancestral medicinal use of guava (Psidium guajava L. Fam. Myrtaceae) is today supported by numerous biomedical studies concerning the properties of leaf extracts.

Clinical and social factors that affect the time to diagnosis of Mexican children with cancer.

Background: There are few studies on the factors that influence the time to diagnosis (TD) in childhood cancer. The object of the present study was to determine the influence of some clinical and social factors associated to TD in children with cancer seen at Mexico City (MC) hospitals.

Procedure: A retrospective study was performed.

[Trends in the incidence of hepatic tumors in childhood].

Objective: To evaluate the incidence trends of hepatic tumors among children living in Mexico City.

Material And Methods: A cross-sectional hospital survey was conducted to yield two databases. The first database contains the registry of all the cases of hepatic tumors occurring during the period 1982-1991, in public hospitals of Mexico City.