Principles of Neonatology

Hip and Lower Extremity Deformities

KEY POINTS 1. Early diagnosis of abnormalities in the lower extremities is important for normal musculoskeletal and neurologic development. 2. Developmental dysplasia of the hip starts early in the embryonic period and continues after birth. It includes a range of…

Newborn Spine Deformities

KEY POINTS 1. Spina bifida usually can be diagnosed prenatally with screening and in the early neonatal period by physical exam. Early diagnosis and intervention may improve outcomes. 2. Assessment of vertebral anomalies is best done in early childhood. The…

Nasal Obstruction in Newborn Infants

KEY POINTS 1. Nasal obstruction in neonates can cause respiratory distress and feeding difficulty, as newborns rely heavily on nasal breathing. 2. Mild cases of nasal obstruction can be observed, but severe obstructive lesions can be life-threatening and usually require…

Neonatal Tracheostomy

KEY POINTS 1. Chronic cardiopulmonary and neurologic disorders are the most common indications for neonatal tracheostomy, overtaking upper airway obstruction. 2. Noninvasive ventilation of neonates is likely reducing indications and the need for tracheostomy. 3. Neonatal tracheostomy is associated with…

Cataract and Glaucoma

KEY POINTS 1. Cataracts are inherited or sporadic; congenital or acquired; isolated or in a syndrome. 2. Size, density, and location of lens opacity influence its visual significance. 3. Timing of cataract surgery is important; earlier detection and surgery have…

Developmental Anomalies of the Cornea and Iris in Neonates

KEY POINTS 1. Causes of primary neonatal corneal opacification include congenital hereditary endothelial dystrophy (CHED), posterior polymorphous corneal dystrophy, congenital hereditary stromal dystrophy (CHED), and corneal dermoid. Secondary causes include trauma (e.g., forceps), infection, metabolic disorders, and congenital glaucoma. Corneal…