Items in AFP with MESH term: Infant, Newborn
Management of Suspected Fetal Macrosomia - Article
ABSTRACT: Fetal macrosomia, arbitrarily defined as a birth weight of more than 4,000 g (8 lb, 13 oz) complicates more than 10 percent of all pregnancies in the United States. It is associated with increased risks of cesarean section and trauma to the birth canal and the fetus. Fetal macrosomia is difficult to predict, and clinical and ultrasonographic estimates of fetal weight are prone to error. Elective cesarean section for suspected macrosomia results in a high number of unnecessary procedures, and early induction of labor to limit fetal growth may result in a substantial increase in the cesarean section rate because of failed inductions. Pregnancies complicated by fetal macrosomia are best managed expectantly. When labor fails to progress as expected, the possibility of fetopelvic disproportion should be considered within the context of the best estimate of the fetal weight.
Initial Management of Breastfeeding - Article
ABSTRACT: Breast milk is widely accepted as the ideal source of nutrition for infants. In order to ensure success in breastfeeding, it is important that it be initiated as early as possible during the neonatal period. This is facilitated by skin-to-skin contact between the mother and infant immediately following birth. When possible, the infant should be allowed to root and latch on spontaneously within the first hour of life. Many common nursery routines such as weighing the infant, administration of vitamin K and application of ocular antibiotics can be safely delayed until after the initial breastfeeding. Postpartum care practices that improve breastfeeding rates include rooming-in, anticipatory guidance about breastfeeding problems and the avoidance of formula supplementation and pacifiers.
Anemia in Children - Article
ABSTRACT: Anemia in children is commonly encountered by the family physician. Multiple causes exist, but with a thorough history, a physical examination and limited laboratory evaluation a specific diagnosis can usually be established. The use of the mean corpuscular volume to classify the anemia as microcytic, normocytic or macrocytic is a standard diagnostic approach. The most common form of microcytic anemia is iron deficiency caused by reduced dietary intake. It is easily treatable with supplemental iron and early intervention may prevent later loss of cognitive function. Less common causes of microcytosis are thalassemia and lead poisoning. Normocytic anemia has many causes, making the diagnosis more difficult. The reticulocyte count will help narrow the differential diagnosis; however, additional testing may be necessary to rule out hemolysis, hemoglobinopathies, membrane defects and enzymopathies. Macrocytic anemia may be caused by a deficiency of folic acid and/or vitamin B12, hypothyroidism and liver disease. This form of anemia is uncommon in children.
ABSTRACT: The routine newborn assessment should include an examination for size, macrocephaly or microcephaly, changes in skin color, signs of birth trauma, malformations, evidence of respiratory distress, level of arousal, posture, tone, presence of spontaneous movements, and symmetry of movements. A newborn with one anatomic malformation should be evaluated for associated anomalies. Total and direct bilirubin levels should be measured in newborns with jaundice, and a complete blood count should be obtained in those with pallor or a ruddy complexion. Neurosurgical consultation is necessary in infants with craniosynostosis accompanied by restricted brain growth or hydrocephalus, cephaloceles, or exophytic scalp nodules. Neck masses can be identified by their location and include vascular malformations, abnormal lymphatic tissue, teratomas, and dermoid cysts. Most facial nerve palsies resolve spontaneously. Conjunctivitis is relatively common in newborns. Infants with chest abnormalities may need to be evaluated for Poland's syndrome or Turner's syndrome. Murmurs in the immediate newborn period are usually innocent and represent a transition from fetal to neonatal circulation. Because cyanosis is primarily secondary to respiratory or cardiac causes, affected newborns should be evaluated expeditiously, with the involvement of a cardiologist or neonatologist.
ABSTRACT: Careful examination of the neonate at delivery can detect anomalies, birth injuries, and disorders that may compromise successful adaptation to extrauterine life. A newborn with one anatomic malformation should be evaluated for associated anomalies. If a newborn is found to have an abdominal wall defect, management includes the application of a warm, moist, and sterile dressing over the defect, decompression of the gastrointestinal tract, aggressive fluid resuscitation, antibiotic therapy, and prompt surgical consultation. Hydroceles are managed conservatively, but inguinal hernias require surgical repair. A newborn with developmental hip dysplasia should be evaluated by an orthopedist, and treatment may require use of a Pavlik harness. The presence of ambiguous genitalia is a medical emergency, and pituitary and adrenal integrity must be established. Early diagnosis of spinal lesions is imperative because surgical correction can prevent irreversible neurologic damage.
Neonatal Herpes Simplex Virus Infections - Article
ABSTRACT: Neonatal herpes simplex virus infections can result in serious morbidity and mortality. Many of the infections result from asymptomatic cervical shedding of virus after a primary episode of genital HSV in the third trimester. Antibodies to HSV-2 have been detected in approximately 20 percent of pregnant women, but only 5 percent report a history of symptomatic infection. All primary episodes of HSV and secondary episodes near term or at the time of delivery should be treated with antiviral therapy. If active HSV infection is present at the time of delivery, cesarean section should be performed. Symptomatic and asymptomatic primary genital HSV infections are associated with preterm labor and low-birth-weight infants. The diagnosis of neonatal HSV can be difficult, but it should be suspected in any newborn with irritability, lethargy, fever or poor feeding at one week of age. Diagnosis is made by culturing the blood, cerebrospinal fluid, urine and fluid from eyes, nose and mucous membranes. All newborns suspected to have or who are diagnosed with HSV infection should be treated with parenteral acyclovir.
Infant Botulism - Article
ABSTRACT: Although the worldwide incidence of infant botulism is rare, the majority of cases are diagnosed in the United States. An infant can acquire botulism by ingesting Clostridium botulinum spores, which are found in soil or honey products. The spores germinate into bacteria that colonize the bowel and synthesize toxin. As the toxin is absorbed, it irreversibly binds to acetylcholine receptors on motor nerve terminals at neuromuscular junctions. The infant with botulism becomes progressively weak, hypotonic and hyporeflexic, showing bulbar and spinal nerve abnormalities. Presenting symptoms include constipation, lethargy, a weak cry, poor feeding and dehydration. A high index of suspicion is important for the diagnosis and prompt treatment of infant botulism, because this disease can quickly progress to respiratory failure. Diagnosis is confirmed by isolating the organism or toxin in the stool and finding a classic electromyogram pattern. Treatment consists of nutritional and respiratory support until new motor endplates are regenerated, which results in spontaneous recovery. Neurologic sequelae are seldom seen. Some children require outpatient tube feeding and may have persistent hypotonia.
Proper Use of Child Safety Seats - Article
ABSTRACT: Motor vehicle crashes continue to be the leading cause of death in children one to 14 years of age. Used correctly, child safety seats significantly reduce child morbidity and mortality. Although many parents know child safety seats are important, more than 80 percent of seats are misused. Increased education of parents regarding proper use of child safety seats can protect children from potentially fatal crash forces. Parents may also be educated about community resources and the several types of child safety seats.
ABSTRACT: Umbilical granulomas are common inflammatory reactions to the resolving umbilical stump. The double-ligature technique is simple to perform and provides good cosmetic and functional results with only minor complications. The granuloma becomes necrotic and drops off within seven to 14 days. The double-ligature is a preferable alternative to multiple topical applications of silver nitrate for the treatment of pedunculated umbilical granulomas in children.
ABSTRACT: The management of infants whose mothers are infected with the human immunodeficiency virus (HIV) involves minimizing the risk of vertical transmission of HIV, recognizing neonatal HIV infection early, preventing opportunistic infections, and addressing psychosocial issues. Maternal antiretroviral drug therapy during pregnancy and labor, followed by six weeks of neonatal zidovudine therapy, can significantly decrease the risk of vertical transmission. Additional antiretroviral drugs may be needed in some high-risk newborns. Elective cesarean section also may prevent vertical transmission of HIV. Virologic tests allow early diagnosis of HIV infection, facilitating the timely initiation of aggressive treatment and the prevention of opportunistic infections. Even when tests are negative, infants must be closely monitored until age 18 months to completely rule out HIV infection. Prophylaxis for Pneumocystis carinii pneumonia should be initiated when HIV-exposed infants are six weeks old and should be continued for at least four months, regardless of negative virologic tests, because P. carinii pneumonia is often the initial presentation of HIV infection in infants. Laboratory monitoring, screening for perinatal infections, appropriate social support, and other modifications of standard infant care are also necessary.