Issue StoriesPremature Infants in the NICUby Michael E. Donnellan, RRT Medical complications and high costs for extremely low birth weight babies in the neonatal intensive care unit are only the first of the many devastating issues that face practitioners, and parents, throughout the life of the patient.
The development of new and aggressive obstetrical and neonatal technologies as well as improved clinical management has increased the survival rate of a special category of prematurity recognized as extremely low birth weight (ELBW) or marginally viable infants weighing less than 1,000 g (2.2 pounds) with a gestational age of 26 weeks and under.2 For RTs, a subspecialty with a separate certification (perinatal/pediatric specialist) has evolved to meet the needs of this growing population, bringing new challenges to the profession. No other area in respiratory therapy requires a more rapid response of intensive intervention, skill application, and functional strategy skills than in the level-three nursery. The arrival of an infant from the labor and delivery room in the neonatal intensive care unit (NICU) will immediately challenge the respiratory care practitioners patient assessment skills and clinical management abilities. Multiple ventilator modes, from conventional ventilation to high-frequency oscillation, are available to the infant at this critical period.2 Communication and the skills of team members determine the next phase of infant stabilization. An experienced, multidiscipline team of NICU specialists will ensure the most effective and timely administration of critical care. Confidence levels among neonatal RTs must remain high because they often are called on to perform beyond the call of duty. Their patients can be held in the palm of a hand; the infants eyes may be fused shut, and the bones in their heads may be unformed. This is a graphic description of what to expect of a patient population of less than 26 weeks gestation. An ELBW infants weight is often under 700 g (1.5 pounds), requiring caregivers to act fast and think even faster to stabilize and manage him or her.3 The decision to save the lives of ELBW infants has opened up a controversial Pandoras box among respiratory and neonatal care professionals. RTs must draw on exceptional professional ethics in this arena; potential long-term effects of their actions include, among other matters, family conflicts and extensive infant disabilities. Disabilities A bleed in the brain, referred to as an intraventricular hemorrhage (IVH), or periventricular leukomalacia (PVL), damage to the white matter of the brain, are common in ELBW infants, requiring follow-up monitoring for neurodevelopmental progress. Long-term handicaps such as cerebral palsy (CP) have been attributed to such conditions.6 Twenty percent of premature infants are considered to suffer cerebral damage.7,8 Approximately half of all preemies diagnosed with CP have normal ultrasounds. Their tests offer limited information on their brain condition and often result in a misdiagnosis of normal brain activity.9 Further, pulmonary complications such as respiratory distress syndrome and bronchopulmonary dysplasia, cranial complications, septicemia, and congenital anomalies constitute a mixed package of clinical realities for the ELBW infantand challenges for the neonatal RCP. Parents The acute management of a high-risk child is often referred to as a roller-coaster ride. The infant is delivered, intubated, given surfactant, and whisked away to the NICU to be poked and probed with invasive lines and placed on a ventilator.11 Multiple discussions follow on how to implement the most effective strategies. All this time, the shocked parents are often agonized bystanders, well aware of the stakes but completely helpless to aid their newborn. From this point on, the parents should become part of the RTs and clinical teams responsibility as the salvaging process plays on in the NICU. Often, direct care providers to the infant will deal with myriad family emotions and stresses, which can affect the level of care for the infant and challenge the sanity of the RT. Guidelines The chilling effect of the Baby Doe regulations lingers in most NICUs where it is viewed as a simplistic governmental effort to control a very difficult situation; it has instilled in physicians a fear of administrative and legal retribution if they follow their own conscience and professional judgment and recommend termination of care. Subsequently, the delivery room has become a point of triage and the NICU a holding tank.14 There have been attempts from individual institutions to set in-house guidelines that will determine the level of care appropriate for an extremely premature infant. James Lemons, MD, of Indianapolis and Richard Depp, MD, of Philadelphia are crafting national guidelines for such care. The primary consensus, however, is that when the prognosis is unclear, health care decision makers become decision leaders explaining to the parents what can be done for their baby and what the outcome might be. Practitioners must confront the parents biases and beliefs and support their decisions.15 Business Support To simply say that we have a supply-and-demand problem would be an understatement. As long as we attempt to salvage infants at the lower limits of viability without regard to the long-term devastating effects on the infant and the family, a system already in crisis will collapse and a state of destitution will exist for a population of unsuspecting families. Michael E. Donnellan, RRT, is a perinatal, pediatric specialist at Alta Bates Summit Medical Center, Berkeley, Calif. References |
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