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J M Teixeira

Publications and source records attributed to J M Teixeira.

9 recordsLinked to original sources
PubMed1999

Association between maternal anxiety in pregnancy and increased uterine artery resistance index: cohort based study.

OBJECTIVE: To investigate whether maternal anxiety in the third trimester is associated with an increased uterine artery resistance index. DESIGN: Cohort based study. SUBJECTS: 100 pregnant women, with a mean gestation of 32 weeks. OUTCOME MEASURES: Self rating Spielberger questionnaire for state anxiety and trait anxiety, and uterine blood flow waveform patterns as assessed by colour Doppler ultrasound. RESULTS: A significant association was found between uterine artery resistance index and scores for both Spielberger state anxiety and trait anxiety (rs=0.31, P<0.002 and 0.28 P<0.005 respectively). Women with state anxiety scores >40 (n=15) had a higher mean uterine resistance index than those with scores </= 40 (mean difference with mean resistance index 24%, 95% confidence interval 12% to 38%; P<0.0001). Similarly, women with trait anxiety scores >40 (n=32) had a higher mean resistance index than those with scores </= 40, although to a lesser extent. The presence of notches in the waveform pattern produced by uterine artery blood flow was found in 4/15 (27%) women with high state anxiety scores compared with 4/85 (5%) with low anxiety scores (P<0.02). CONCLUSIONS: This study shows an association between maternal anxiety in pregnancy and increased uterine artery resistance index. It suggests a mechanism by which the psychological state of the mother may affect fetal development, and may explain epidemiological associations between maternal anxiety and low birth weight. The influence of maternal anxiety may be one mechanism by which the intrauterine environment contributes to later disease in offspring.

Anxiety↗
PubMed1998

Human group C rotavirus in children with diarrhea in the Federal District, Brazil.

Group C rotaviruses are fastidious in their in vitro cell culture requirements. Recent serosurveys indicate that antibody to group C rotavirus is present in 3-45% of the human population in certain geographic locations, suggesting that rotavirus group C infection is more prevalent than previously believed and that the low rate of detection of these agents is probably due to the lack of sensitive diagnostic assays. From March to December 1994, 406 fecal specimens were collected from children under five years of age who were outpatients at the emergency services of nine public hospitals in Brasília, Federal District, Brazil. In addition to the samples from children, one public outpatient unit requested virological investigation of a stool sample from an HIV-seropositive adult male with diarrhea of sudden onset. All samples were analyzed by enzyme immunoassay for group A rotavirus and adenovirus (EIARA) and by polyacrylamide gel electrophoresis (PAGE). One hundred and seven (26%) were positive for group A rotavirus. Four samples from children and the sample from the HIV-seropositive patient, although negative by EIARA, showed a group C rotavirus profile by PAGE and were positive for rotavirus by electron microscopy. Using specific VP6 and VP7 primers for group C rotavirus, a reverse transcriptase-polymerase chain reaction (RT-PCR) was performed and products were detected by agarose gel electrophoresis and ethidium bromide staining. These products were confirmed to be specific for group C rotavirus by using digoxigenin-oligonucleotide probes, Southern hybridization and chemiluminescent detection. The five positive group C rotavirus samples were detected in August (3 samples) and September (2 samples). To the best of our knowledge, this is the first report of group C rotavirus detected in the Federal District, Brazil and in an HIV-seropositive patient with acute gastroenteritis.

Adult↗
PubMed1996

Clinical benefit of dual chamber pacing in hypertrophic cardiomyopathy: a case report.

This case study presents evidence that angioplasty and dual chamber pacing can be used as a therapeutic alternative to coronary artery bypass grafting and myectomy. The following case report describes this treatment option in a patient with hypertrophic cardiomyopathy and ischemic heart disease who refused surgery. A severe coronary lesion was successfully treated with percutaneous transluminal coronary angioplasty (PTCA). Subsequent deterioration of the patient's clinical status occurred, yet a repeat heart catheterization revealed no angiographic changes from the PTCA. The left ventricular outflow gradient was 97 mmHg despite optimizing medical therapy. Temporary pacing leads were inserted and the patient was DDD paced at 70 ppm while measuring the LV gradient at varying AV intervals. Significant reduction of the outflow tract gradient occurred at all AV intervals tested. Although the pressure gradient decreased during VVI pacing, atrial contribution was necessary to achieve the desired hemodynamic benefit. A permanent DDDR pacemaker was implanted with satisfactory clinical results.

Aged↗
PubMed1990

Canine visceral leishmaniasis in northeast Brazil: assessment of serodiagnostic methods.

Domestic dogs are considered to be a major reservoir of Leishmania donovani chagasi in northeast Brazil, and the elimination of infected dogs is an important part of the control program. We assessed 2 serological methods, IFA and ELISA. Of 405 dogs, 8% were positive by IFA obtained from blood collected by drying onto filter paper followed by elution, 17% were positive by IFA performed using sera, and 38% were positive by ELISA on the same sera. Thirty-five dogs, seropositive by 1 or more of the above tests, were killed and touch preparations were made of liver, spleen, and mesenteric lymph nodes. Samples were cultured in enriched NNN media. The ELISA recognized all dogs with proven infection; IFA detected 10 of 12. Eleven dogs were positive by touch preparations and 7 by culture. In addition, kDNA hybridization was undertaken with probes to L. donovani chagasi, L. braziliensis ssp., and L. mexicana amazonensis. Positive results were obtained from tissue in 19 instances, but 10 culture positive specimens were not recognized.

Animals↗
PubMed1977

[Bronchoplasty].

Explore the source record for details and available documents.

Adolescent↗
PubMedDate not supplied

[Support for decision making in nursing in cases of altered urinary elimination: Alturin.Exp System].

Lopes, Palombo and Sabbatini have developed a system for computer-aided decision in nursing named ALTURIN.EXP, based on SABBATINI'S EXPERTMD system and the North American Nursing Diagnosis Association (NANDA) nursing diagnosis classification, which is related to nursing diagnosis for altered urinary elimination. The ALTURIN.EXP defines the specific altered urinary elimination diagnosis and indicates the most common nursing interventions. Our purpose was testing the program clinically. Twenty-nine cases of altered urinary elimination in women with gynecological and oncogynecological problems have been described. Three nurses provided the principal and secondary diagnoses when regarded. These diagnoses were compared to those of the program. As previously elaborated, the program, in some cases, provided the secondary diagnosis. The clinical cases use has led to a review on the program structure in order to decrease error possibility.

Decision Making, Computer-Assisted↗
PubMedDate not supplied

[Epidemiology of rotavirus infections in the Federal District, Brazil].

Rotavirus testing was performed on fecal samples of 607 infants and young children aging from 0 to 6 years with acute diarrhoea between May 1986 and April 1990. Samples were analyzed by polyacrylamide gel electrophoresis (PAGE). Rotaviruses were detected in 123 samples (20.27%); from those, 107 (87.00%) were classified as subgroup II (long profile). Rotaviruses were not detected in the control group of healthy children, but it were present in 7.80% of the children hospitalized for other causes but acute diarrhoea. Most of the children with rotavirus infection ranged from 6 to 24 months of age (73.98%). The mean of positive cases during the rainy months (October to April) was of 9.60% and during the dry period was of 34.48%. The highest values were 53.17 and 73.27% in June and July, the coldest months of the year.

Acute Disease↗