Search Results
Results 401 - 450 of 632
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Gazarian M - - 1995
EMLA (eutectic mixture of lidocaine and prilocaine) cream is currently not recommended for use in infants < 1 month of age because of the potential risk of methemoglobinemia as a result of the o-toluidine metabolite of prilocaine. We studied bioavailability and changes in methemoglobin levels following topical penile exposure to ...
Beebe D S - - 1995
The charts and anaesthetic records of 97 infants less than two years of age who underwent bone marrow transplantation at the University of Minnesota from 1978-1992 were retrospectively reviewed. These infants underwent 564 general anaesthetics. There were 48 perioperative complications, most (39) involving the airway. There were 20 difficult intubations ...
Krishnan L - - 1995
Seventy eight parturient mothers undergoing elective caesarean section were studied with regard to the immediate neonatal outcome in those receiving general and spinal anesthesia. All mothers were of grade I anesthesia risk, were term and had singleton appropriate for gestational age fetuses. There was no difference in fetal acid base ...
Eisele P H - - 1994
The pregnant guinea pig may be a useful model for the study of drug effects in the newborn. A reliable technique for epidural catheterization in the guinea pig was developed to allow use of this model to evaluate the effects of epidural labor analgesics on neonates. Catheters were implanted in ...
Vane D W - - 1994
Spinal anesthesia has been described for infants and premature babies undergoing minor operative procedures. The advantages of shorter operating time, avoidance of intubation, and shorter hospital stay have made this the gold standard for premature and other high-risk infants requiring minor procedures. However, little is known about this technique for ...
Keenan R L - - 1994
BACKGROUND: The frequency and morbidity of bradycardia during anesthesia in infants are not well documented. This study sought to determine the frequency of bradycardia during anesthesia in infants (0 to 1 yr) compared to that in older children, describe causes and morbidity, and identify factors that influence its frequency. METHODS: ...
Zabielski R - - 1994
The effects of local and peripheral administration of cholecystokinin-8 (CCK-8) and secretin on the interdigestive pancreatic secretion were examined in conscious preruminating calves. Six calves were surgically fitted with a pancreatic catheter and duodenal cannula, duodenal electrodes and strain gauges, and cooling devices on the cervical vagi. Local intra-arterial (I.A.) ...
Olkkola K T - - 1994
The present study was designed to evaluate the interactions of rocuronium with etomidate, fentanyl, midazolam, propofol, thiopental, and isoflurane using closed-loop feedback control of infusion of rocuronium. Sixty patients were randomly assigned to one of six sequences where anesthesia was maintained with etomidate, fentanyl, midazolam, propofol, or thiopental and nitrous ...
Leite J A - - 1994
Postoperative apnea (PA) occurs between 12 and 40% in premature infants, varying inversely in postconceptual age (risk is greater if age is less than 44 weeks). It can appear as late as 12 hours after the end of the surgical anesthesia (7). In a recent article (1), the author related ...
Jones M J - - 1994
The aim of this study was to investigate whether the incidence of headaches following myelography could be reduced by using a needle with an atraumatic tip. 107 patients were studied in a trial of 22 gauge atraumatic versus 22 gauge bevel tipped needles. In the first 3 days after myelography, ...
Schrum S F - - 1994
We compared the hemodynamic response to laryngoscopy and intubation, as well as emergence and recovery times, when propofol or thiopental were used for rapid intravenous induction of anesthesia in 59 infants undergoing repair of inguinal hernia. An intravenous catheter was inserted under N2O analgesia and atropine 0.01 mg/kg was administered ...
Sims C - - 1994
Past studies concerning postoperative apnoea in infants were identified and reviewed. A total of only 200 former preterm infants having minor surgery under general anaesthesia have been prospectively studied. The incidence of apnoea after general anaesthesia is approximately 30%, and is inversely related to postconceptual age. A large number of ...
Viktrup L - - 1993
OBJECTIVE: To test the hypothesis that epidural anesthesia during labor prevents the development of stress incontinence after vaginal birth. METHODS: We interviewed 208 primiparas about stress incontinence 3 months postpartum. The women who developed stress incontinence after delivery were interviewed again 1 year postpartum. RESULTS: Twelve of 45 women (27%) ...
Mikawa K - - 1993
We conducted a prospective study to investigate perioperative changes in the production of superoxide anion (O2-) by neutrophils isolated from ten neonates between the ages of five and 16 days (N group) and ten infants ranging in age from one to ten months (I group). They underwent abdominal surgery under ...
Tobias J D - - 1993
Physiological immaturity of the respiratory musculature and central respiratory control centres leads to an increased risk of apnoea and respiratory complications following general anaesthesia in neonates. Regional anaesthetic techniques may obviate the need for general anaesthesia and lessen the risks of perioperative morbidity. Although these techniques have been described in ...
Parsons D S - - 1993
The tracheoscope is a bronchoscope without the side ventilating ports at the distal tip. It has been used for decades, implementing diagnostic and therapeutic procedures in the subglottis and cervical and thoracic trachea. The closed tube tracheoscope allows excellent control of the airway with maintenance of continuous anesthesia and ventilation. ...
Golenz M R - - 1993
Six normal foals between the ages of 2 and 7 days were used in this study to develop a technique for intraosseous infusion in equine neonates. A 14-gauge 1/2-inch needle was placed intraosseously in the right proximal medial one-third aspect of the radius and tibia of each foal. A maximum ...
Woelfel S K - - 1993
We determined the dose-response relationship of mivacurium in infants 2-6 and 7-11 mo of age during nitrous oxide-halothane anesthesia. The neuromuscular and cardiovascular effects of a bolus dose of mivacurium larger than the ED95 in infants and young children from 2-23 mo of age were observed. The infusion rate of ...
Burke R P - - 1993
We report the first successful use of thoracoscopy and video-assisted thoracic surgery (TVATS) techniques to relieve extrinsic tracheoesophageal compression produced by a vascular ring. The patient was a 3-month-old infant with postprandial regurgitation and a diagnosis of double aortic arch. After an uncomplicated operation and recovery, the infant was discharged ...
Rout C C - - 1993
BACKGROUND: Hypotension after spinal anesthesia for cesarean section remains a common and serious complication despite the use of uterine displacement and volume preloading. The current study revaluated the role of crystalloid volume preloading in this context. METHODS: In a two-stage open sequential design, patients presenting for elective repeat cesarean section ...
Mettling C - - 1993
Although spinal motoneurons in the chick embryo are born in a rostro-caudal gradient, the timing of their naturally occurring cell death varies in the opposite sense: brachial motoneurons (MNs) die later than lumbar MNs. We used in vitro methods to determine whether this difference results from factors intrinsic or extrinsic ...
Webster A C - - 1993
In view of the complications of general, spinal, and caudal anaesthesia for inguinal hernia repair in high-risk neonates, an evaluation of lumbar epidural anaesthesia (LEA) was undertaken to assess its technical feasibility, effectiveness and incidence of complications. In 18 consecutive cases, gestational age 26 +/- 2.6 wk, birth weight 877 ...
Devcic A - - 1993
BACKGROUND AND OBJECTIVES: Postdural puncture headache (PDPH) is a frequent complication of spinal anesthesia. Some investigators have recommended the use of the Sprotte needle to reduce the incidence of this serious complication. This study prospectively compared the incidence of PDPH with two spinal needles of different size and design: the ...
Palmisano B W - - 1993
The purpose of this study was to determine whether the ventilatory response to CO2 is depressed in term infants after halothane and N2O anesthesia. Ventilatory response to CO2 was determined by using a maskless CO2 response test in which a ventilation ratio is calculated from measurements of transcutaneous PCO2 (PtcCO2). ...
Koufos G D - - 1993
In 1990, a new late Miocene locality named "Nikiti 1" or NKT, was discovered near the village of Nikiti (Chalkidiki, Macedonia, Greece) about 100 km east of Thessaloniki City. The locality is situated in the Nikiti Formation, which consists of yellowish sands, gravels and pebbles and has been dated to ...
Tanaka K - - 1993
To examine the relationship between volatile inhalation anesthetics and the fading of portwine stain (PWS), the study retrospectively investigated the incidence of termination of pulsed dye laser treatment vis-à-vis PWS fade during use of a general inhalation anesthetic in 107 infants and children with facial PWS. The fading of PWS ...
Ratcliffe F M - - 1993
A comparison was made of the acid-base and Apgar status of neonates following general (n = 34), spinal (n = 28) and epidural (n = 23) anaesthesia for elective caesarean section. Neonates delivered following spinal anaesthesia were more acidaemic (pH = 7.249) (P < 0.05) than those delivered following epidural ...
Murrell D - - 1993
Providing safe, effective analgesia for newborn infants undergoing major surgery remains a challenge to pediatric anesthetists and surgeons. Continuous epidural analgesia (CEA) has been shown to provide safe and effective analgesia in infants and children; however, there is little reported use in neonates. We review our experience of CEA in ...
Tobias J D - - 1993
The physiologic immaturity of respiratory musculature and central respiratory control centers leads to an increased risk of apnea and respiratory complications following general anesthesia in the neonate. Regional anesthetic techniques such as spinal and caudal epidural anesthesia may obviate the need for general anesthesia and lessen the risks of perioperative ...
Uitvlugt G - - 1993
The purpose of this article is to report the arthroscopic findings before and immediately after manipulation for frozen shoulder. Twenty patients were selected for manipulation under general anesthesia after failing to improve with conservative measures in 6 months. The findings showed the joint capsule was difficult to penetrate with the ...
Mahajan J - - 1993
Ninety healthy parturients undergoing elective caesarean section were randomly allocated to receive either general (n = 30), epidural (n = 30) or spinal (n = 30) anaesthesia. Acid-base status, Apgar score and neurobehavioural status, using the neurologic and adaptive capacity scoring (NACS) system, were studied in the newborn. Apgar scores ...
Harris A P - - 1992
Epidural analgesia remains the mainstay for providing pain relief during labor. The search continues to find the ideal combination of analgesic agents and administration techniques that will provide excellent pain relief for the mother yet minimize side effects to the mother and fetus. This article reviews recent studies of epidural ...
Sepkoski C M - - 1992
The effects of maternal epidural anesthesia with bupivacaine on the infant's performance on the Neonatal Behavioral Assessment Scale (NBAS) over the first month of life were examined. 20 non-medicated infants were matched for biomedical and demographic variables with 20 infants delivered with bupivacaine epidural anesthesia. The NBAS was administered on ...
Tobias J D - - 1992
The physiologic immaturity of respiratory musculature and central respiratory control centers leads to an increased risk of apnea and respiratory complications following general anesthesia in the neonate. Regional anesthetic techniques, such as spinal and caudal epidural anesthesia, may obviate the need for general anesthesia and lessen the risks of perioperative ...
Brighouse D - - 1992
We report the successful use of combined spinal and extradural anaesthesia for elective Caesarean section in a primigravid patient with Ehlers-Danlos type IV (EDS IV). EDS IV is a rare disorder with a high pregnancy-related mortality. Previous reports have not addressed the question of anaesthesia for delivery. It is not ...
Warner L O - - 1992
STUDY OBJECTIVES: (1) To prospectively observe and tabulate all perianesthetic complications in young infants undergoing herniorrhaphy with general anesthesia and (2) to identify all major postnatal complications and determine which, if any, might be significant risk factors for perianesthetic complications. DESIGN: Prospective case control study. SETTING: Columbus, Ohio, Children's Hospital, ...
Russell J W - - 1992
To investigate the diagnostic validity of electromyography in the hypotonic infant, 79 children aged 0 to 12 months, seen over a 20-year period, were studied retrospectively. The diagnoses using clinical, muscle biopsy, and laboratory characteristics were: 25 central hypotonia, 20 spinal muscular atrophy, 20 myopathy, four myotonic dystrophy, four benign ...
O'Leary J A - - 1992
BACKGROUND: Since the introduction of cephalic replacement for shoulder dystocia, the management of failures has not been addressed. The purpose of this report is to describe abdominal hysterotomy as an alternative approach to the resolution of shoulder dystocia. CASE: A 21-year-old woman, gravida 1, experienced severe shoulder dystocia following partial ...
Hogan L - - 1992
We present our experience with 92 Broviac central venous catheters inserted into 84 infants over a 31-month period. Our technique specifies placement in the neonatal intensive care unit under local anesthesia, with insertion to the inferior vena caval-atrial junction via the saphenous or femoral vein, with a subcutaneous tunnel to ...
Sartorelli K H - - 1992
The development of apnea following general anesthesia in high-risk infants (less than 60 weeks postconceptual age) has been reported up to 37%, prompting the routine admission of these children following minor surgical procedures. One hundred forty high-risk infants (American Society of Anesthesiologists category greater than or equal to 2) were ...
Perez L M - - 1992
The role and timing of urodynamic studies in infants with congenital spinal dysraphism are controversial. We reviewed 64 consecutive infants with a mean followup of 28 months who underwent video urodynamic study when they were less than 1 year old (50 of the 64 patients were less than 3 months ...
Breen T W - - 1992
Epidural fentanyl is often added to epidural local anaesthetic agents to improve the quality of anaesthesia obtained during Caesarean section. Fentanyl may be given either before or after delivery of the infant. When given before delivery, fentanyl has not been reported to cause neonatal depression, although this remains a concern. ...
Webb R J - - 1992
Few rural hospitals offer obstetric epidural analgesia services and of those that do, there is a paucity of information about these anaesthetics. A retrospective review was conducted of all obstetrical epidurals from 1984-1988 in an 85-bed hospital in Saskatchewan to examine the indications, complications, and infant outcomes. During that period ...
Rosaeg O P - - 1992
The use of intravenous (i.v.) patient-controlled fentanyl analgesia during labour in a parturient with unexplained thrombocytopenia (70 x 10(3).ml-1) is described. The patient self-administered boluses of 25 micrograms of fentanyl with a lock-out interval of ten min. In addition, a concurrent fentanyl infusion of 25 micrograms.hr-1 was given. Effective analgesia ...
Fisher D M - - 1992
Desflurane, an inhaled anesthetic, may be useful for outpatient procedures in pediatric patients because its blood solubility (similar to that of nitrous oxide and less than that of commercially available potent inhaled anesthetics) may facilitate emergence and recovery from anesthesia. Although the MAC of desflurane without nitrous oxide has been ...
Bennie R E - - 1992
This article focuses on anesthesia for the healthy older infant and child, with nearly normal anatomy, physiology, and development, who is scheduled for an elective, relatively limited surgical procedure. Topics addressed in this section include: (1) monitoring technology used to enhance and maintain the anesthesiologist's clinical assessment; (2) pharmacological preparation ...
Lloyd C J - - 1992
A case of toxic methaemoglobinaemia is presented, which followed the use of a local anaesthetic containing prilocaine (Citanest, Astra Pharmaceuticals Ltd) which was used to provide analgesia prior to the suturing of a facial laceration. Although this complication is well documented, this case is unusual in that it involved a ...
Hirsimäki H - - 1992
Umbilical cord arterial and venous concentrations of epinephrine, norepinephrine and the catecholamine metabolites 3,4-dihydroxyphenylglycol and 3,4-dihydroxyphenylacetic acid were determined in 41 healthy newborn infants delivered vaginally, vaginally with epidural analgesia, by cesarean section under general anesthesia or by cesarean section under epidural anesthesia. Doppler-derived cardiac output and arterial blood pressure ...
Dick W - - 1992
Forty-seven healthy parturients undergoing elective Caesarean section were randomly allocated to either general anaesthesia (n = 24) or epidural anaesthesia (n = 23) under standardized anaesthetic and surgical conditions. Seven women of the epidural group required additional systemic analgesia or sedation following delivery of the neonate. Nine of 24 newborns ...
Gill R S - - 1991
A period of apnoea lasting 480 minutes following suxamethonium in a 6-week-old male infant is described. Neuromuscular function recovered following the administration of fresh frozen plasma. The infant was found to be homozygous for atypical cholinesterase (E1a E1a). This is believed to be the youngest reported case of suxamethonium apnoea.
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