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Biomedical subjects

J K Fraley

Publications and source records attributed to J K Fraley.

9 recordsLinked to original sources
PubMed1992

Attitudes and education of pediatric house staff concerning breast-feeding.

Pediatricians are expected to offer information and advice on breast-feeding to expectant and lactating mothers, but the educational experience for pediatric residents may not adequately prepare them for this responsibility. To examine knowledge and confidence regarding breast-feeding gained by pediatric house staff during their residency, a survey was administered to pediatric residents in a large, hospital-based training program. Of 108 program residents, 87 (81%) participated. Forty-one percent of the respondents were postgraduate level I (PL-I), 29% were PL-II, and 30% were PL-III. There was no evidence that PL-III residents were more competent or comfortable with routine breast-feeding counseling or intervention than their PL-I counterparts. Residents who had breast-fed, those with spouses who had breast-fed, and those with children of their own had the greatest knowledge and confidence base in several areas, such as their ability to teach breast-feeding techniques and to treat cracked nipples. They were also more familiar with different types of breastpumps. There were no significant differences among those who were or were not breast-fed as a child nor among men versus women. Residency programs must provide comprehensive education on breast-feeding to prepare future pediatricians to meet the needs of patients and their parents.

Attitude of Health Personnel↗
PubMed1992

Milk production by mothers of premature infants: influence of cigarette smoking.

The volume of milk produced by mothers who smoked cigarettes (n = 11) and control subjects who did not smoke (n = 29) was compared after the delivery of their preterm infants (28 to 32 weeks gestation). Milk production was significantly less among those who smoked, with or without adjusting for age, race, parity, gravidity, weight-for-height, prior nursing experience, customary alcohol and caffeine intake, infant birth weight, and pumping frequency. Each mother maintained her milk production using an electrical breast pump and without the stimulus of her infant suckling at the breast. Daily frequency and duration of breast pump usage were similar in the two groups. At 2 weeks postpartum, 24-hour milk volumes were 406 +/- 262 mL for mothers who smoked and 514 +/- 338 mL for control subjects. Between 2 to 4 weeks postpartum, the mean change in 24-hour milk volume (milliliters per 24 hours) of control subjects increased (+113 +/- 179 mL, P < .005), whereas milk volume of mothers who smoked cigarettes remained unchanged (-47 +/- 122 mL, P = .25). The percentage change in milk volume between 2 and 4 weeks for the combined groups was significantly related to four factors: pumping frequency, change in daily pumping frequency, day of initiation of pumping, and smoking status. Total and protein nitrogen, lactose, calcium, and phosphorous concentrations did not differ in milks from mothers who smoked cigarettes and mothers who did not smoke.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1992

Attitudes of expectant fathers regarding breast-feeding.

Fathers participate in choosing the feeding method for their newborns. However they traditionally have not been included in most breast-feeding education programs. To examine expectant fathers' attitudes and knowledge regarding breast-feeding, we surveyed 268 men during the first session of their childbirth education classes at five private hospitals in Houston, Texas. The study population was 81% white, 8% black, and 6% hispanic. Ninety-seven percent (n = 259) of the total were married. Fifty-eight percent (n = 156) reported that their spouses planned to breast-feed exclusively; several significant differences existed between these men and those who reported plans for exclusive formula feeding. The breast-feeding group was more likely to believe breast-feeding is better for the baby (96% vs 62%; P less than .0001), helps with infant bonding (92% vs 53%; P less than .0001), and protects the infant from disease (79% vs 47% P less than .001). The breast-feeding group was also more likely to want their partner to breast-feed (90% vs 13%; P less than .0001) and to have respect for breast-feeding women (57% vs 16%; P less than .0001). Conversely, those in the formula feeding group were more likely to think breast-feeding is bad for breasts (52% vs 22%; P less than .01), makes breasts ugly (44% vs 23%; P less than .05), and interferes with sex (72% vs 24%; P less than .0001). The majority of both groups indicated breast-feeding was not acceptable in public (breast-feeding = 71%, formula feeding = 78%, P less than .05).(ABSTRACT TRUNCATED AT 250 WORDS)

Attitude↗
PubMed1992

Lack of agreement of tympanic membrane temperature assessments with conventional methods in a private practice setting.

An infrared tympanic membrane thermometer (FIRST temp) said to approximate core temperature accurately is being marketed as a noninvasive, quick, and easy-to-use clinical instrument. The determination of tympanic membrane temperatures by this device was compared with the determination of oral, rectal, or axillary temperatures by a conventional glass thermometer. Subjects were patients of a pediatric group practice in Houston, Texas. FIRST temp and conventional temperature determinations on individual patients were completed within 5 minutes of each other. The presence or absence of otitis media was noted by the examining physician. Agreement between the two methods of temperature determination was assessed by calculating limits of agreement within which 95% (+/- 2 standard deviations) of individual differences would fall. The location of conventional thermometer (oral, rectal, axillary), time interval between the two separate measures, and the presence or absence of otitis media were entered into a multiple regression analysis to determine whether these factors influenced the observed differences between the two methods. A total of 144 patients were enrolled in the study; oral comparisons were obtained in 92 (57%) patients, rectal in 35 (24%), and axillary in 29 (19%). The upper and lower limits of agreement between temperature methods were 1.12 degrees C and 0.89 degrees C and the mean difference was -0.12 degrees C. Regression analysis revealed that only the site of conventional thermometer location (oral, rectal, axillary) was a significant predictor of FIRST temp/conventional differences. Each site had a range of agreement greater than 1.65% degrees C; axillary temperatures had the greatest range (-0.94 degree C to +1.30 degrees C.(ABSTRACT TRUNCATED AT 250 WORDS)

Age Factors↗
PubMed1991

Factors associated with umbilical catheter-related sepsis in neonates.

To determine factors associated with risk for umbilical catheter-related sepsis, we studied neonates with one or more catheters in place for more than 3 days. Among 225 infants with 357 umbilical catheters, catheter-related sepsis occurred in 14 infants (6%). Catheter-related sepsis occurred in 5% of infants with umbilical arterial catheters and in 3% of infants with umbilical venous catheters. Staphylococcal species accounted for 71% of cases of catheter-related sepsis. Multiple logistic regression analysis revealed that very low birth weight and longer duration of antibiotic therapy were significantly associated with risk for umbilical arterial catheter-related sepsis. Increased risk for umbilical venous catheter-related sepsis was best predicted by the simultaneous occurrence of higher birth weight and infusion of hyperalimentation solution. Catheter duration correlated with duration of antibiotic therapy and with infusion of hyperalimentation solution for both types of catheters; however, in the multivariable analysis, duration of catheterization was not found to be a significant independent predictor of risk for catheter-related sepsis for either type of catheter.

Anti-Bacterial Agents↗
PubMed1989

Acquired monosaccharide intolerance in infants.

To determine the frequency with which acquired monosaccharide intolerance (AMI) occurs in infants less than 3 months of age, we performed a prospective descriptive study of infants admitted to the hospital for diarrhea. We searched for differences between the characteristics and causes of AMI in these infants and those of a cohort of similar-aged infants admitted with acute diarrhea (AD). Five hundred fifty-five infants less than 3 months of age admitted with diarrhea were enrolled. Nine percent of those infants had AMI, 40% had other forms of chronic diarrhea, and 51% had AD. The mean age at hospital admission was 32 days for the infants with AMI and 44 days for the infants with AD. The mean weight loss of AMI infants was 0.3 g/day since birth, and the mean weight gain was 14.3 g/day for AD infants. The mean dehydration by difference in weights at admission and 48 h postadmission was 5% for AMI and 3% for AD infants. Bacterial and viral causes of the diarrhea were similar. At admission to the hospital, infants in whom AMI subsequently developed were younger, more malnourished, had more prolonged diarrhea, and were more dehydrated than the AD infants. Malnutrition stands out as a significant antecedent factor that contributes to the development of AMI.

Acute Disease↗
PubMed1986

Sources of variance in milk and caloric intakes in breast-fed infants: implications for lactation study design and interpretation.

Between-individual variation (BIV) and day-to-day variation (DDV) of total caloric and human milk intakes were examined in 17 infants. Nine were studied at months 5 and 6; 8 at months 6 and 7. All 17 were exclusively breast-fed for 5 full mo after which solid foods were added to the diet. Each infant was studied for five consecutive 24-h periods during which serial measurements were made of milk intake (test weighing) and solid food intake (pre- and postfeeding jar weighing). Total daily caloric intakes (kcal/day) were (mean +/- SD) 492 +/- 57, 547 +/- 70, and 567 +/- 98 at months 5, 6, and 7, respectively. Estimates of caloric intakes (kcal/kg/day) adjusted for body weight were 65.9 +/- 6.7, 72.6 +/- 11.2, and 70.9 +/- 13.0 at months 5, 6, and 7, respectively. Milk intakes (g/day) were 735 +/- 85, 640 +/- 106, and 562 +/- 214 at months 5, 6, and 7, respectively. BIV of milk intake increased after the introduction of solid foods. DDV (expressed as coefficient of variation) of caloric intake was nearly constant at each monthly observation and BIV increased from 8.8 at month 5 to 14.6 at month 7. The numbers of 24-h periods and subjects required for estimates of known precision of caloric and milk intakes of older breast-fed infants can be determined from these estimates of variance.

Adult↗
PubMed1985

Comparison of hand- and electric-operated breast pumps.

Volume, fat and energy contents were measured in human milk samples collected over 2 24-h periods with either an electric or hand-operated breast pump. The energy content was significantly higher and the variance for this measurement was significantly lower in samples obtained by the electric pump. The type of pump used is an important consideration when the content of energy and other nutrients associated with the fat compartment in human milk is to be evaluated. This observation is especially pertinent to cross-study comparisons, eg studies of well- and malnourished populations.

Adult↗