Search Results
Results 451 - 500 of 683
< 5 6 7 8 9 10 11 12 13 14 >
Schaffer A B - - 1993
Long-term augmentation of the severely resorbed alveolar ridge with particulate hydroxylapatite (HA) has proved problematic. In this study, 70 patients were treated with a combination of HA granules and dense nonresorbable HA particles strung on a resorbable suture matrix. Fifty-five patients have been observed for 12 to 50 months. The ...
Agam G - - 1993
The present study investigates the erythrocyte Li+i-Na+o countertransport (CT) in the newborn. Erythrocytes of term infants exhibit no or very low CT activity at birth (0.025 +/- 0.011 mmol Li/l RBC.h). CT rates increase gradually and reach adult values within the 4th-7th day of life (0.225 +/- 0.018 mmol Li/l ...
Wilczynski N L - - 1993
OBJECTIVE: To determine the retrieval characteristics of methodologic textwords and MeSH terms in MEDLINE for identifying methodologically sound studies on the etiology, prognosis, diagnosis, and prevention and treatment of disorders in general adult medicine. DESIGN: Comparison of methodologic search terms and phrases for the retrieval of citations in MEDLINE with ...
Yurdakök M - - 1993
Plasma chromium (Cr) levels were determined in 24 preterms and 18 full-term newborn infants. There was no statistically significant differences in plasma Cr levels between the preterm and full-term infants. Plasma Cr levels were similar in small-for-gestational-age infants and in infants with hypoglycemia compared with healthy infants.
Broberger U - - 1993
The aim of this study was to examine the relationship between neonatal clinical conditions and the development of senso-motoric handicaps. Two hundred and sixty-two infants with a birth weight < 1500 g, born in or referred to the Karolinska/S:t Göran's Children Hospital from September 1988 to April 1992 were studied ...
Moon J K - - 1993
Portable whole body indirect calorimeters were constructed for full-term (2.5- to 8-kg) and preterm (1- to 2.5-kg) infants. A new calibration system significantly increased the accuracy of flowmeters and gas analyzers. Performance tests with N2 and CO2 infusions and butane combustion demonstrated that the error of individual measurements of O2 ...
Kojima T - - 1992
We attempted to determine the plasma endothelin-1-like immunoreactivity (ET-1) levels and to evaluate its physiological significance in 29 neonates: 5 with respiratory distress syndrome (RDS), 3 with transient tachypnoea of the newborn (TTN), 4 with neonatal asphyxia, 5 with bronchopulmonary dysplasia (BPD) following RDS, 7 healthy preterm infants and 5 ...
Duara S - - 1992
The influence of maturation on extrathoracic airway (ETA) stability during quiet sleep was determined in 13 normal preterm infants of 1.41 +/- 0.14 (SD) kg birth weight and 32 +/- 2 wk estimated gestational age. Studies began in the first week of life and were performed three times at weekly ...
Tuohy J F - - 1992
OBJECTIVE: To assess the reported association between field trisomy 13 and maternal pre-eclampsia. DESIGN: A retrospective case-control study. SUBJECTS: Twenty-five women who gave birth to trisomy 13 infants in southwest England between 1971 and 1989; 38 women who gave birth to trisomy 18 infants in the same region over the ...
Fagan D G - - 1992
Fetal haemoglobin levels have been measured prospectively in 135 autopsy cases of sudden, unexpected infant deaths (31 pre-term, 104 full term) using standard laboratory methods. These results have been compared with Hb F values from a normal control group of 570 living infants (145 pre-term, 425 full-term) with a post-conceptional ...
De Vries L S - - 1992
One full-term and three premature newborns with a unilateral thalamic haemorrhage are reported. The lesion was diagnosed using cranial ultrasonography and confirmed in three using magnetic resonance imaging. Severe perinatal asphyxia occurred in all infants. The neonatal clinical history, subsequent neuro-developmental outcome and neuroimaging findings are discussed. As the prognosis ...
Basso G - - 1992
A detailed analysis of immunophenotype of 112 infants aged less than 18 months with acute lymphoblastic leukaemia (ALL) was performed. Patients were divided into three groups on the basis of age at presentation (under 6 months: group 1: 6-12 months: group 2; 13-18 months: group 3). There were three cases ...
Sasidharan P - - 1992
Perinatal asphyxia is a cause of significant morbidity among full term infants, but breathing abnormalities after an asphyxic insult have not been studied. This report details breathing patterns of 16 full term asphyxiated infants, during the first week of life who were studied by transthoracic impedance pneumocardiograms. Pneumocardiograms were abnormal ...
Fledelius H C - - 1992
Refraction and axial eye dimensions, evaluated by ultrasound measurements, were investigated in 101 pre-term infants and 25 full-term controls. Gestational ages in the pre-term group ranged from 25 to 34 weeks, birth weights from 728 to 2480 g. All were seen in the eye clinic due to risk of developing ...
Carmi D - - 1992
The umbilical venous hematocrit at birth (Hct 1) and the peripheral venous hematocrit at 2 h of life (Hct 2) were determined in 78 healthy full-term and 14 healthy preterm newborn infants. Hct 1 was 51.6 +/- 4.1% in full-term infants and 50.8 +/- 4% in preterm infants. Hct 2 ...
Phibbs R H - - 1992
There is a high level of erythropoiesis in the growing fetus. In utero relative hypoxia results in a relatively high haematocrit and predominant synthesis of haemoglobin F, with erythropoietin (EPO) produced in the liver regulating erythropoiesis. At birth after full-term pregnancy, fetal EPO concentrations are high, but decline progressively thereafter. ...
Karniski W - - 1992
The maturation of latency and scalp voltage topography of the simultaneously bilateral somatosensory evoked potential was studied in 53 neurologically intact pre-term and term infants, from 31 to 40 weeks post-menstrual age. Four peaks (N1, P1, N2 and P2) were reliably identified in all infants. The latency of each peak ...
Eishima K - - 1991
A special video camera devised by the author and a fiberscope were used to film the neonatal sucking response of 50 low-risk full-term newborn infants on the 5th day after birth. Analysis of the sucking behaviour showed that the sucking movements consist mainly of a peristaltic tongue movement and two ...
Weathersbee A A AA - - 1991
A slow-release, briquet formulation of methoprene produced long-term residual activity against Psorophora columbiae larvae in 37.2 m2 (400 ft2) rice plots. An application rate of 1 briquet/9.3 m2 (1/100 ft2) provided significantly (P less than 0.05) greater reduction of adult mosquito emergence (98.2%) than did a rate of 1 briquet/18.6 ...
Thorkelsson T - - 1991
Terbutaline is a beta-sympathomimetic agent that has gained wide use in obstetrics as a tocolytic agent. In addition to inhibiting uterine contractions, terbutaline can cause other clinically significant beta-mediated effects. Terbutaline readily crosses the placenta, and both fetal and neonatal toxicity have been reported. We report possible cardiovascular toxicity secondary ...
Ohr P S - - 1991
The learning and memory of twenty 3-month-old infants with Down syndrome was compared with that of 20 infants without handicaps using an operant conditioning task known as mobile conjugate reinforcement. The infants were trained for 2 days to produce movement in an overhead crib mobile by kicking and were reexposed ...
Ruah C B - - 1991
To our knowledge, the normal changes that occur in the tympanic membrane after birth have not been described, despite several reports that their otoscopic appearance in healthy, full-term infants is different from that in adults. To provide such a description, the tympanic membranes of 54 temporal bones that had no ...
Foreman N - - 1991
Thirty-three full-term infants and thirty-eight preterm infants (on average born at 30 weeks gestation) were tested for their latency to turn toward checkered stimulus patterns (phasic orienting or "attention-getting") and for the duration of their initial fixation (tonic orienting or "attention-holding"). Plotted against the logarithm of the subjects' postconceptional age, ...
Srugo I - - 1991
This study examined lipopolysaccharide (LPS) induced in vitro secretion of interleukin-1 (IL-1) by peripheral blood monocytes from pre-term infants with and without sepsis. Thirteen pre-term babies were tested; eight were completely healthy and five suffered from six episodes of sepsis. The latter group was tested both in the acute septic ...
Jain N - - 1991
The cellular composition of colostrum (within 72 hours post partum) and mature milk samples (5th-7th day post partum) from 20 mothers delivering preterm babies and 20 mothers delivering full term babies was examined. Lymphocyte subsets including T cells, B cells, T4 and T8 cells were quantitated by indirect immunoperoxidase staining ...
Alonso-deFlorida F - - 1991
In the sympathetic ganglion a high frequency conditioning train produces a post-train potentiation (PTrP) which decays with a temporal course that can be described by two components: an early faster component known as post-tetanic potentiation (PTP), and a long-lasting one which is known as long-term potentiation (LTP). The magnitude of ...
Litwin A - - 1991
Clitoromegaly in the neonatal period is an important morphological sign. There are only few reports establishing an objective assessment of clitoral size. The present study establishes normal standards for clitoral length in healthy premature and full-term infants. The data are expressed at the same time in relation to both gestational ...
Menyuk P - - 1991
The linguistic and cognitive development of 26 premature and 27 full-term infants was studied longitudinally over the first 3 years of life. Infants in the premature population included 12 who were below 1500 g in birthweight and an even larger number with "at risk" signs. Language samples were collected in ...
Ohashi T - - 1991
Serial electrochochleogram (ECochG) recordings were obtained over a long time span from 24 patients with Ménière's disease showing dominant negative SP. The long-term fluctuation of responses (especially SP) was evaluated. Dominant -SP or abnormally increased SP/AP ratio has been unchanged over long periods in most operated or nonoperated patients. It ...
Gianoli G J - - 1990
Much has been written concerning complications of pediatric tracheotomies, but few studies have reviewed the complication rates of tracheotomies performed in the first 12 months of life. We reviewed the records of 60 patients who underwent tracheotomy in the first year of life between 1976 and 1988. This study includes ...
Benjamin B - - 1990
The records of 73 infants aged 24 months or less who underwent tracheotomy in a 10-year period were reviewed. Two common problems before decannulation were granulations and suprastomal collapse of the anterior tracheal wall above the internal stoma. There were no decannulation failures which could not be accounted for by ...
Mathur N B - - 1990
Feeding of the infection prone preterm neonate with concentrated immunologically active ingredients in the form of colostrum may have even more significant clinical implications than in the full term infants. The scarcity of knowledge on anti-infective factors in colostrum of mothers delivering prematurely prompted us to carry out this study. ...
Davenport M - - 1990
Surgery for infants with intestinal atresia has evolved along with the development of specialized neonatal surgical units. This once fatal condition now carries a better than 85% chance of survival and an excellent long-term prognosis. Recent advances in bowel preservation techniques have reduced morbidity and improved gut function in both ...
Smith J B - - 1990
Developmental defects in neutrophil function, including diminished expression of plasma membrane receptors, may play an important role in the susceptibility of the newborn infant to infection. We used monoclonal antibodies and flow cytometry to study the expression of complement receptor type one (CR1), complement receptor type three (CR3), and Fc ...
Hatanaka T - - 1990
We studied the electrically and mechanically elicited blink reflexes in 2 groups of subjects, i.e., 237 newborn infants, 25-41 weeks of conceptional age, and 74 children, 1 month-12 years of age. In infants after 25 weeks of conceptional age we could usually induce the early response (R1) and ipsilateral late ...
Jackson S K - - 1990
Serum antibody to lipopolysaccharide core glycolipid was measured in normal children and in full term and premature (less than or equal to 1500 g) infants. Antilipopolysaccharide core glycolipid antibody was present in term infants and normal children, and reached adult titres by 15 years of age. The specific anti core ...
Hudson I R - - 1990
The concentrations of D-dimers (the D fragments of fibrinogen) were measured in blood from 15 preterm infants, and 45 born at full term, to establish normal ranges. The adult normal range is less than 0.25 mg/l; 31 of the 60 infants (52%) had values less than 0.25 mg/l, in 16 ...
McKay J G - - 1990
The effect of birth asphyxia on splenic function has not previously been investigated. We performed quantification of pocked erythrocytes to assess splenic function in 10 term infants with abnormally low Apgar scores and clinical symptoms of birth asphyxia and in 10 healthy term control infants. The mean pocked erythrocyte count ...
Hall M A - - 1990
The faecal flora of 46 preterm infants and 52 born at full term was studied at 10 days of age; 46 born at full term and 37 preterm infants were also studied at 30 days. Viable counts of coliforms, lactobacilli, and bifidobacteria were made; gas liquid chromatography was used to ...
Anday E K - - 1990
The onset and development of the delayed blink response, elicited by a tap to the glabella, and its modification by an acoustic stimulus (tone), were studied longitudinally in 36 healthy preterm and 43 term infants. Blink amplitude increased with gestational age. By term postconceptional age, the responses of the preterm ...
Golding J - - 1990
Population-based data from 10 centres in Burma, Thailand, China and Vietnam, have been analysed to assess those social and environmental factors which may be associated with pre-term delivery and low birth-weight. The philosophy behind the study was that if the same association was found in different countries, then the association ...
Rokicki W - - 1990
Total cortisol as well as percentage and absolute free cortisol values were determined in 75 full-term, 88 premature and 38 small-for-age (born at term) infants in the first 3 months of life. Equilibrium dialysis and radioimmunoassay were used to estimate the percentage value of the unbound fraction and the value ...
Ryken T C - - 1990
Bilateral testicular torsion in the neonate, although uncommon, is being reported with increasing frequency. Most previously reported cases have been full term, average to above average weight infants born with nonviable testes. We report a case of bilateral neonatal testicular torsion in a 32-week newborn in whom testicular viability may ...
Harris M B - - 1990
: The purpose of this study was to document joint range of motion of premature, very low birthweight infants and to describe developmental changes in joint range in the first year of life. The relationship between a group of three central nervous system complications and obtained range of motion was ...
Lee M M - - 1989
To evaluate serum adrenal steroid concentrations in preterm infants, 17-hydroxyprogesterone (17-OHP), 17-hydroxypregnenolone, 11-deoxycortisol, cortisol, dehydroepiandrosterone (DHEA), DHEA sulfate, androstenedione, 18-hydroxycorticosterone, and aldosterone values were determined in 9 sick and 13 healthy premature infants. Serum steroid concentrations were compared to previously reported data from healthy full-term infants. 17-OHP, 11-deoxycortisol, and aldosterone ...
Horsman A - - 1989
A total of 36 preterm and 22 full term infants were weighed and measured at 65 to 100 weeks' postconception. It was found that the preterm infants were on average significantly lighter by 1008 g and shorter by 3.8 cm than those born at full term. Despite the smaller size ...
Kugo M - - 1989
We investigated the activity and the content of copper and zinc-containing superoxide dismutase (SOD) and superoxide anion (O2-) production in polymorphonuclear leukocytes (PMN) from healthy term newborn infants, very low birth wt infants, and healthy adults. SOD activity in PMN was measured with nitroblue tetrazolium reduction assay on PAGE, and ...
Forero N - - 1989
Passive range of motion (ROM) of seven hip joint movements were measured in 60 healthy, full-term neonates to determine 95% normal ranges. All neonates lacked full hip extension, and lateral rotation was greater than medial rotation. No significant differences in hip ROM were found between males and females or between ...
Chuansumrit A - - 1989
Heparin cofactor II (HC II) was measured by a chromogenic activity assay in normal preterm infants (gestational age, 28-36 weeks; n = 17; 29% +/- 11.5 [mean +/- 1 SD], range 11-51), normal full-term infants (n = 18; 49% +/- 6.6 [mean +/- 1 SD], range 36-58), and normal adults ...
Medoff-Cooper B - - 1989
The sucking patterns of 42 healthy full-term and 44 preterm infants whose gestational age at birth was 30.9 +/- 2.1 weeks were compared using the Kron Nutritive Sucking Apparatus for a 5-minute period. The measured pressures were used to calculate six characteristics of the sucking response: maximum pressure generated, amount ...
< 5 6 7 8 9 10 11 12 13 14 >