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Results 401 - 450 of 604
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Stap L J - - 1990
: The purpose of this study was to compare the effects of prone and sitting on the heart rates, respiration rates, and arterial oxygen saturation levels of premature infants. The positioning device used for sitting the infants was the premature infant seat, an experimental seat developed by the principal investigator. ...
Haraldsson A - - 1989
Intra-uterine heart arrhythmia, postpartal respiratory insufficiency, bradycardia and hypoglycaemia were observed in a premature infant (37 weeks gestational age) delivered by a caesarian section. The mother had been treated with adequate doses of labetalol because of pregnancy-induced hypertension and her plasma concentration was found to be 89 micrograms/l one day ...
Hagedorn M I - - 1989
Care of the premature infant after an intensive care experience offers the pediatric nurse practitioner a myriad of challenges, depending on the infant's neonatal course. The focus of this series of articles is an overview of the common pathophysiologic, psychologic, and developmental problems that face the premature infant. This article ...
Dare F O - - 1989
In a 10-year period, 159 out of 16,825 total deliveries had premature rupture of fetal membranes giving an incidence of 0.94%. The condition poses a serious threat to both mother and the infant. Maternal infection increased exponentially with the latent period. The institution of an active management programme is suggested ...
Valentine P H - - 1989
Retinopathy of prematurity is a retinal vascular disease that occurs only in premature infants. Because of concern that the occurrence of this potentially blinding disease is increasing, a retrospective chart review was undertaken to compare the incidence of retinopathy of prematurity at the University of Washington during the years 1981 ...
Dutz W - - 1989
Pneumocystis carinii is a special organism that causes a variety of host reactions depending on the resistance and immune response. The disease was originally observed in premature and newborn infants, associated with interstitial plasma cell infiltrates, which lead to rapid suffocation of the infant. An understanding of all aspects of ...
Boneh A - - 1989
We conducted a retrospective epidemiologic study on girls with signs of precocious sexual development followed-up in our clinic over a ten-year period. Of a total of 66 girls, 36 had premature thelarche, 11 had premature pubarche, and 19 had idiopathic complete precocious puberty. We noted a steady increase in the ...
Zobel G - - 1989
Five critically ill premature infants with acute renal failure (ARF) and hypervolemia were treated by continuous arteriovenous hemofiltration (CAVH). Prostacyclin was used to prevent hemofilter clotting. Mean treatment duration was 53.6 +/- 14 h. Mean blood flow rates of 1.6 +/- 0.22 ml/min and filtration fractions of 17.2 +/- 3.7% ...
Ackerman B - - 1989
In a recent study, it was reported that incidental lighting within the newborn intensive care unit setting may play a role in the development of retinopathy of prematurity. Consequently, the routine clinical management in the intensive care nursery at Yale-New Haven Hospital was modified to include shielding each premature infant's ...
Allen M C - - 1989
There was a marked correlation (P less than .000001) between neonatal neurodevelopmental examination results and neuromotor outcome at 1 year of age or older in 210 high-risk premature infants (mean birth weight 1,107 g, mean gestational age 28.4 weeks). This neonatal examination consisted of assessment of posture, extremity and axial ...
Gibson D L - - 1989
This study provides the first empiric evidence for the existence of a new epidemic of retinopathy of prematurity-induced blindness. Data from a population-based register of handicapping conditions in the Canadian province of British Columbia, and a birth weight-specific census of live-born infants in British Columbia, were used to determine annual, ...
Keith C G - - 1989
Over the 10-year period from January 1, 1977 to December 31, 1986, 1114 infants with gestational ages of 24 to 30 completed weeks were cared for on a long-term basis in our nursery; 757 (68%) infants survived. As expected, both the mortality rate and the prevalence of stage-3 or stage-4 ...
van den Berg W - - 1989
A prospective study was performed in premature neonates to determine the predictive values of antithrombin III (AT III) deficiency immediately after birth, for the subsequent development of idiopathic respiratory distress syndrome (IRDS), intraventricular haemorrhage (IVH) and death. Of the 81 premature infants studied, 24 developed IRDS (30%). Of these 24 ...
Stiehm E R - - 1989
Past studies of the use of intramuscular (human immune serum globulin) or intravenous human immunoglobulins in the prevention or treatment of infections in premature infants are reviewed. Two of four studies of intramuscular preparations showed some evidence of benefit, as did three of four studies of intravenous preparations. Other possible ...
Chou T M - - 1989
Numerous hard cortical nodules, a large subependymal giant-cell astrocytoma and a massive rhabdomyoma were described in a hydropic infant of 31 weeks gestation who lived only four hours. With six other documented cases, tuberous sclerosis in premature infants was reviewed in the hope to pinpoint the early lesions in the ...
Riedel F - - 1989
Bronchial reactivity was compared among mothers of neonates with unexplained premature delivery and mothers of preterm neonates with known etiology of prematurity as well as mothers who delivered their children at term. Bronchial reactivity was measured by unspecific bronchial provocation testing with histamine. A significantly higher incidence of bronchial hyperreactivity ...
Harris S S - - 1989
The case of a premature infant with the onset of hypercalcemia and apparent primary hyperparathyroidism in the immediate neonatal period is presented. Although the treatment in most such cases has been parathyroidectomy, this infant was managed medically and survived infancy without apparent complications. We believe her disorder represents the neonatal ...
Andrew M - - 1988
This study was designed to determine the postnatal development of the human coagulation system in the healthy premature infant. Consecutive mothers of healthy premature infants born at either St Joseph's Hospital or McMaster University Medical Centre in Hamilton were asked for consent. One hundred thirty-seven premature infants (30 to 36 ...
Gordjani N - - 1988
Normal serum creatinine (Scr) and creatinine clearance (Ccr) values during the first 10 days of life were obtained in 63 very premature (28-32 weeks of gestation), premature (33-37 weeks) and term infants (38-42 weeks). Scr fell, and Ccr rose less markedly in the very premature infants. Scr was 80 mumol/l ...
Brem A S - - 1988
Women with severe renal failure rarely conceive, and when they do become pregnant these women often deliver prematurely. The clinical course of mothers with renal failure has been described, but little attention has been given to the offspring. In this report, we provide data on three infants born prematurely to ...
Harris B A BA - - 1988
Marginal placental bleeding is a distinct entity, marked (usually) by minor degrees of vaginal bleeding and significantly associated with premature labor and premature rupture of the membranes. Pathologically it is characterized by an adherent marginal placental hematoma, which shows varying degrees of film deposition and leukocytic infiltration depending on the ...
Iams J D - - 1988
Traditional obstetric beliefs regarding diagnoses leading to premature birth constitute a significant barrier to successful clinical application of current knowledge about the pathophysiology of preterm delivery. Progress in reducing prematurity will be limited unless obstetricians assume a leadership role in changing attitudes about preterm birth among patients, providers, and society ...
Trainor S - - 1988
Standards of care are an integral part of providing safe and proper health care to the public. One such standard is the screening of premature infants for retinopathy of prematurity. In a retrospective chart review of 67 infants in an intensive care nursery, a high incidence of non-compliance with the ...
Darlow B A - - 1988
The incidence of retinopathy of prematurity has been prospectively assessed in very low birthweight infants born in one year in New Zealand. A total of 26 (11%) surviving infants with birth weight 1000-1499 g had acute retinopathy. Forty one (49%) surviving infants with birth weight 500-999 g had acute retinopathy ...
Hoon A H - - 1988
A retrospective analysis was done of multi-disciplinary neurodevelopmental assessments in 70 children who were legally blind because of cicatricial retinopathy of prematurity. The subjects lived in British Columbia and were born during a 37-year period between 1951 and 1987. The purpose of the study was to investigate changes in the ...
Davis J T - - 1988
A series of 106 consecutive ductal closures in premature infants was reviewed to assess the incidence of left vocal cord paralysis. To our knowledge, this syndrome is described for the first time in premature infants. In our experience, it is a relatively benign complication that completely resolves clinically in several ...
Drew J H - - 1988
This paper analyses the contribution of low birth-weight (birth-weight between 500 and 2,500 g) and prematurity (gestation less than 37 weeks) to neonatal death in Chinese and Western populations. The incidences of low birth-weight in the Tsan Yuk Hospital, Hong Kong, the State of Victoria, and the Mercy Maternity Hospital, ...
Andrew M - - 1988
Levels of many coagulation factors are low in the healthy infant and even lower in the asphyxiated premature infant. We investigated whether a brief exposure to asphyxia at the time of birth causes the activation and consumption of coagulation factors. Following delivery by caesarean section, premature lambs were asphyxiated by ...
Lieberman E - - 1988
An examination of the association of maternal hematocrit with the occurrence of premature birth revealed a continuous relationship between these two factors with an increasing rate of prematurity occurring with decreasing maternal hematocrit. The lowest risk of premature birth was found when maternal hematocrit was between 41% and 44%. Statistically ...
Hays R M - - 1988
A premature infant with neonatal myasthenia gravis is presented to illustrate the utility of electrodiagnosis. The patient, born to a mother with myasthenia gravis, suffered additional problems, including hypoxia and subependymal hemorrhage which potentially contributed to hypotonia and poor respiratory effort, thus complicating the diagnosis. Standard testing with edrophonium originally ...
Prendiville A - - 1988
In the period from September 1983 until June 1986 a prospective study was carried out to determine the incidence and severity of retinopathy of prematurity in inborn infants of less than 1500 g at birth and the risk factors associated with the development of retinopathy of prematurity in infants of ...
Tchou P - - 1988
Although the steady-state refractoriness of the human His-Purkinje system has been shown to be directly related to the cycle length of pacing, the effect that a varying number of premature beats would have on His-Purkinje system refractoriness of the first postextrasystolic beat has not been described. These effects were systematically ...
Sneed P J - - 1988
Three infant boys with a bilateral congenital retinopathy characterized by retinal vascular hypoplasia and persistence of the primary vitreous are described. The infants were healthy and had no non-ocular physical abnormalities. None had histories of prematurity or low birth weight. Family histories were negative to similar retinopathy, and the fundi ...
Hyman P E - - 1988
In a double-blind, placebo-controlled, randomized study we measured the effect of 1 mg/kg intravenous metoclopramide on the gastric emptying of a 15 ml/kg 5% glucose meal, using a phenol red dye dilution technique. In a group of nine infants referred for multiple daily episodes of regurgitation, metoclopramide doubled the rate ...
Hauft S M - - 1988
Six premature infants with congenital tracheal stenosis underwent diagnostic evaluation. Clinical features and chest roentgenograms were nonspecific; difficulty with intubation was the most common clinical finding and persistent lobar collapse the more common radiologic finding. The diagnosis was established by bronchoscopy in all infants. In the differential diagnosis of the ...
Bambauer R - - 1988
Extracorporal detoxication methods in newborns are most unavailable, contraindicated because of technical problems. Herein are reported the experiences with a blood pump unit that was miniaturized for hemodialysis, hemofiltration, and plasmapheresis in newborns. In three premature infants with acute renal failure of different etiology (two newborns with severe Rh-erythroblastosis, 1 ...
De Vries L S - - 1988
Findings on cranial ultrasonography strongly suggested the diagnosis of a localized infarct in four premature infants. CT was performed to differentiate between hemorrhagic and nonhemorrhagic lesions, and magnetic resonance imaging was used to obtain information about the late effect of the lesions. The clinical findings, imaging findings, and later outcome ...
Naash M I - - 1988
The activities of glutathione peroxidase (GSH-Px) and glutathione-S-transferase (GSH-S-tase) were investigated in adult and premature human retinas. The measurements were done in the vascular and avascular regions of premature retinas at gestational age of 22-33 weeks and in the central, mid-peripheral, and far peripheral regions of mature retinas from the ...
Isenberg S J - - 1987
Knowledge of the growth of the neonatal conjunctival fornix and anterior orbit will aid development of neonatal prosthetic conformers and conjunctival sensors for oxygen determinations, as well as help define orbital malformation syndromes. These data are not available in any prospective series in the literature. The authors studied 55 premature ...
Stap L J - - 1987
Premature infants may benefit from short periods of supported sitting for position change, to facilitate the development of head control, to help with feeding and respiration, and to decrease intracranial pressure. This paper describes a seat designed for premature infants weighing 900 g to 2,000 g and made from thermoplastic ...
Appleton R S - - 1987
Developmental changes in diastolic ventricular function were assessed in 31 premature infants and in 10 normal-term infants. They were studied during the first 72 hours of life using instantaneous rates of change of left ventricular (LV) cavity dimension, derived from M-mode echocardiography. Maximal velocity of lengthening of the LV cavity ...
Renouf J A - - 1987
Depressed activities of the following purine enzymes have been shown to result in immunodeficiencies: adenosine deaminase (ADA), hypoxanthine-guanine phosphoribosyltransferase (HGPRT), and purine nucleoside phosphorylase (PNP). These enzymes and adenosine kinase (AK) were measured in cord blood lymphocytes of premature and small-for-gestational age infants since they have partial immunodeficiencies of unknown ...
Phelps D L - - 1987
To test the efficacy and safety of vitamin E in preventing retinopathy of prematurity, 287 infants with birth weights of less than 1.5 kg or gestational ages of less than 33 weeks were enrolled within 24 hours of birth in a randomized, double-masked trial of IV, followed by oral, placebo ...
Lebenthal E - - 1987
We have described the developmental pattern of the GI tract, constituent tissues of which do not develop simultaneously, either functionally or morphologically. Dietary modifications to suit the stage of development have been described, and possible changes resulting from these modifications are also discussed. It is important to note that the ...
Davidson S - - 1987
Twenty-nine premature infants were studied to determine whether neonatal asphyxia, apnea, and low blood pressure in the first day of life are associated with elevated plasma beta-endorphin concentrations. Plasma beta-endorphin levels were determined at 0.5 to 2, 4 to 6, and 18 to 24 hours of life, using radioimmunoassay. Premature ...
Shulman D I - - 1987
Isosexual precocious puberty refers to the appearance of phenotypically appropriate secondary sexual characteristics before age 8 years in girls and before 9 years in boys. Isosexual precocity may be categorized into several subgroups depending upon etiology and clinical course: true and complete isosexual precocity refers to early activation of the ...
Foos R Y - - 1987
This article details the pathologic features of recently described clinical stages of vitreoretinopathy associated with premature birth in humans, beginning with a review of retinal angiogenesis in humans and then of the five stages of retinopathy of prematurity, with a description of paramount clinical feature in each stage and then ...
Henschel M J - - 1987
The electrophoretic mobilities of proteases present in gastric juice taken within 10 h of birth from 5 healthy, premature infants were compared with calf chymosin, pig pepsin A and human adult gastric juice. The juice from 2 infants contained predominantly a chymosin-like enzyme, another had almost exclusively pepsins similar to ...
de Gamarra M E - - 1987
In order to assess the validity of the weight per square of length ratio as an index of adiposity during the neonatal period, 37 premature infants (gestational age, mean +/- SD, = 31.5 +/- 1.1 weeks, birthweight, mean +/- SD, = 1.448 +/- 147 g) were studied for weight, length ...
Rotteveel J J - - 1987
Auditory cortical evoked responses (ACRs) were recorded in 65 preterm infants, at least on 3 occasions in 48 of them. The infants were divided into 5 groups according to their gestational age (GA). The recording sessions were performed at 8 conceptional age (CA) levels, defined as the gestational age added ...
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