Study Session 7 Neonatal ResuscitationIntroduction Show
The moment when a baby is born is also the time when the birth attendant has to make a very rapid assessment of the condition of the newborn to decide whether it needs helping to breathe. Within a few seconds you have to be able to identify the general danger signs in a newborn that tell you to intervene quickly to protect it from developing serious complications, or even dying, because it is not able to get enough oxygen into its body. Of course, most babies breathe spontaneously as soon as they are born and all you need to do is follow the steps of basic newborn care, which were briefly outlined in Study Session 5 of this Module. You will learn them in much greater detail in the Module on Postnatal Care and the steps will be covered again in the Module on Integrated Management of Newborn and Childhood Illness. However, in this study session our focus is on newborns who are not breathing well, and what you need to do in order to resuscitate them and get them breathing normally. You will learn how to distinguish between a healthy baby and one that is moderately or severely asphyxiated (i.e. short of oxygen due to breathing problems), and the correct action that you should take. This study session is unusual in that much of it is taught through diagrams. Learning Outcomes for Study Session 7When you have studied this session you should be able to: 7.1 Define and use correctly all of the key words printed in bold. (SAQ 7.2) 7.2 Summarise the most important signs of neonatal asphyxia that mean you should begin neonatal resuscitation. (SAQ 7.1) 7.3 Explain how newborns can be helped to breathe by applying standard resuscitation techniques. (SAQs 7.1 and 7.2) 7.4 Identify the equipment you will need to give newborn resuscitation and how it should be used correctly. (SAQ 7.3) 7.5 Describe the things you should not do when assessing a newborn for possible breathing difficulties. (SAQ 7.4) 7.6 Summarise the main health risks to newborns and the activities that form the basis of essential newborn care. (SAQ 7.5) 7.1 Newborn respiration and resuscitationWe begin by briefly summarizing what usually happens when a newborn makes the transition from life in its mother’s uterus, to life in the outside world, where it must breathe for itself. 7.1.1 Breathing in a healthy newbornNormally, a healthy baby starts to breath spontaneously immediately after delivery (Figure 7.1). If the breathing started spontaneously and is sustained by the baby without assistance, it indicates that:
Figure 7.1 A full-term normal newborn who is breathing well has pinkish skin colour and semi-flexed arms and legs; he has made a good transition from the mother’s uterus to the outside world. (Photo: Dr Mulualem Gessese)
If you checked the fetal heart rate at regular intervals all through the mother’s labour, and recorded the result on the partograph (as you learned in Study Session 4), you should have referred any mother whose unborn baby showed signs of fetal distress. Therefore, it should be relatively uncommon for you to deliver an asphyxiated baby. However, complications in childbirth can develop unpredictably, or you may be called to a woman who is already far advanced in the second stage of labour when you reach her. Therefore, you need to know how to provide neonatal resuscitation in case you deliver an asphyxiated baby.
7.1.2 Newborn asphyxiaAs you learned in Study Session 4 of this Module, asphyxia (shortage of oxygen) in the uterus is due to an inadequate supply of oxygen from the mother’s blood or a problem in the placenta. This may result in:
Gas exchange is when oxygen from the inhaled air is absorbed into the blood as it passes through the lungs, and waste carbon dioxide is released from the blood into the air that is breathed out However, neonatal asphyxia is mainly due to failure of the newborn to breathe after birth, or its heart fails to pump enough blood to the lungs for gas exchange, or it has low haemoglobin levels (anaemia) so it cannot deliver enough oxygen around the body. The baby who cannot breathe cannot establish independent life outside the mother. Therefore, the purpose of neonatal resuscitation is to help the newborn to establish spontaneous breathing and facilitate oxygen delivery to its organs and tissues – particularly the brain, which is very quickly damaged by oxygen shortage. You may also need to resuscitate any baby that is severely anaemic due to blood loss during labour and delivery, or that continues to be cyanotic despite established breathing. Cyanosis is a bluish discolouration of the lips and skin, which occurs when there is insufficient oxygen in the blood (Figure 7.2). Figure 7.2 A preterm newborn with problems: she looks cyanotic (bluish), her limbs are floppy because her muscle tone is not strong, and she has breathing problems. (Photo: Dr Mulualem Gessese) To avoid the immediate and long-term complications of asphyxia, in addition to the labour and delivery care that you provide to the mother, and the routine newborn care of the baby (e.g. cutting the cord, keeping the baby warm), you also have to provide life-saving interventions for any newborn who cannot breathe properly. 7.2 Types of neonatal resuscitationThere are three techniques that you will learn about in this study session and in your practical skills training. They are:
7.2.1 Basic equipment needed for newborn resuscitation
7.2.2 Before you start resuscitationBefore you apply any form of resuscitation, make sure that:
Figure 7.5 A baby who is not breathing (no signs of chest or nose movement) and with meconium stained all over its body. (Photo: Dr Mulualem Gessese) 7.3 Assessing the degree of asphyxiaModerate to severely asphyxiated babies usually require intensive resuscitation, so the next thing you have to learn is how to grade asphyxia in a newborn. Within no more than 5 seconds after the birth, you should make a very rapid assessment to find out whether the baby is alive or dead, and (if it is alive) to assess whether it has any degree of asphyxia. A severely asphyxiated baby may not breathe at all, there may be no movement of its limbs (arms and legs), and the skin colour may be deeply blue or deeply white. A baby who is not breathing at all after birth, or who is only gasping for breath, or who is breathing less than 30 breaths per minute needs help immediately. If a baby does not breathe soon after birth, it may get brain damage or die. Most babies who are not breathing can be saved if resuscitated correctly and quickly. From Table 7.1, you can learn how to assess a newborn’s degree of asphyxia. Also look again at the three photos of newborns with different level of asphyxia (Figures 7.1, 7.2 and 7.5). Gasping is when the newborn can take only a few breaths with difficulty and with wide gaps in between; it is usually a sign that the baby is close to death. Table 7.1 Assessing the degree of asphyxia.
Since neonatal resuscitation is an action that you need to perform rapidly (within one minute after delivery), it is better to estimate than to count the heart rate, and to observe the pattern of breathing rather than to count the respiratory rate. Table 7.2 gives you a simplified description of the signs that indicate what is normal and abnormal immediately after birth. Table 7.2 Normal and abnormal physical findings in the newborn immediately after birth.
‘Less than’ can be replaced by the < symbol, as in <30/min. ‘More than’ can be replaced by the > symbol, as in >30/min. 7.4 Neonatal resuscitation proceduresBefore you go to attend any delivery, you should make certain that you have prepared the equipment necessary to apply neonatal resuscitation and give immediate care to the newborn if required. In this section we move on to the actions that you should take once you have assessed the degree of asphyxia. 7.4.1 The first five secondsTable 7.3 summarises what you should do in the first 5 seconds after the baby is born if the signs of asphyxia are present. After you have seen this overview, we will look at the specific actions in detail. Table 7.3 Actions in response to signs of neonatal asphyxia.
7.4.2 Checking the newborn’s heart rateThe apical heartbeat (or AHB) is just another name for the heartbeat heard through a stethoscope over the area of the heart on the left side of the chest, as shown in Figure 7.6. It is called ‘apical’ because the heartbeat is heard directly from the surface of the heart.
The newborn’s heartbeats can also be counted by feeling the pulse at the base of the umbilical cord, as shown in Figure 7.6. Figure 7.7 Checking and counting the apical heartbeat (AHB) and feeling for the pulse at the base of the umbilical cord. 7.4.3 The initial actionsThe list below sets out the actions you should take for all newborns in the sequence shown, irrespective of the degree of asphyxia:
Now study each of these figures in turn. Look at them carefully and make sure that you read the captions and other notes associated with them. 7.4.4 Dry the baby quickly and keep it warmLay the baby on a warm surface away from drafts. Use a heat lamp or other overhead warmer, if available. Then dry the baby as shown in Figure 7.8. Figure 7.8 How to dry the baby: (top) lay the baby on its back and dry it thoroughly; (bottom left) remove the wet cloth; (bottom right) tilt the baby’s chin to reposition the baby’s head and keep its airway open. Place the baby in skin-to-skin contact with the mother, covered by a warm blanket. Place a warm cap or shawl to cover the baby’s head. 7.4.5 Clearing the mouth and noseIf a bulb syringe is available:
No deep suctioning with a bulb syringe! It can cause slowing of the heart rate (bradycardia). If no bulb syringe: Clear secretions from the mouth and nose with a clean, dry cloth. Figure 7.9 Suctioning the newborn with a bulb syringe to clear mucus from its upper airway: (top) suction the mouth first; (bottom) then suction the baby’s nose (‘m’ before ‘n’). 7.4.6 Apply gentle tactile stimulation to initiate or enhance breathingFigure 7.10 How to give gentle tactile stimulation: (left) rub the baby’s abdomen up and down; (centre and right) flick the underside of the baby’s foot with your fingers.
These types of stimulation are dangerous and can damage the newborn.
7.4.7 If you diagnose asphyxia, start resuscitation!Position the newborn on his or her back with the neck slightly extended as shown in the top picture in Figure 7.11. Open the airway by clearing the mouth and nose with suction using the bulb syringe as you saw previously in Figure 7.9. Figure 7.11 How to position the newborn’s head to keep its airway open: (top) correct, the baby’s chin is tilted the right amount; (middle) the baby’s head is tilted too far back, placing pressure on the windpipe in its neck; (bottom) the baby’s head is not tilted enough — its chin is too close to its chest and the airway is compressed.
Figure 7.12 The correct position for newborn resuscitation using an ambu-bag. If the apical heartbeat is > (more than) 60 beats/minute:
If the apical heart beat is < (less than) 60 beats/minute:
Figure 7.13 Correct and incorrect size of mask: (top) correct: Covers mouth, nose, and chin; (bottom left) incorrect: too large — covers eyes and extends over chin; (bottom right) incorrect: too small — does not cover nose and mouth. 7.4.8 Ventilate at 40 breaths per minuteCount out loud: ‘Breathe — two — three’ as you ventilate the baby (see Figure 7.14). Squeeze the bag as you say ‘Breathe’ and release the pressure on the bag as you say ‘two — three’. This helps you to ventilate with an even rhythm, at a rate that the newborn’s lungs are naturally adapted to. The amount of air you are moving into and out of the lungs is the equivalent of about 40 breaths per minute. Apply enough pressure to create a noticeable, gentle rise and fall in the baby’s chest. The first few breaths may require higher pressures, but if the baby appears to be taking a very deep breath, you are using too much pressure. Figure 7.14 Timing the rate of ventilation as you say ‘Breathe — two — three’. 7.4.9 Evaluate the baby during ventilationThe best sign of good ventilation and improvement in the baby’s condition is an increase in heart rate to more than 100 beats/minute.
When you stop ventilating for a moment, is the baby capable of spontaneous breathing or crying? These are good signs. Many babies recover very quickly after a short period of ventilation, but keep closely monitoring the baby until you are sure it is breathing well on its own. If the baby remains weak or is having irregular breathing after 30 minutes of resuscitation, refer the mother and baby urgently to a health centre or hospital where they have facilities to help babies who are having difficulty breathing. Go with them and keep ventilating the baby all the way. Make sure it is kept warm at all times. Newborns easily lose heat and this could be fatal in a baby that can’t breathe adequately on its own. Figure 7.15 summarises the steps in newborn resuscitation which you have learned in Section 7.4. Figure 7.15 A summary of the steps in newborn resuscitation in the form of a flow chart. 7.5 Immediate essential newborn careWe end this study session with a reminder about essential newborn care, which you should conduct with all babies, regardless of whether they have any signs of asphyxiation. When the baby’s umbilical cord is cut, there are many physiological changes inside the baby’s body to allow it to make the necessary adaptation to life outside its mother. It is generally tougher to survive in the outside world than in the relative safety of the uterus, so we need to provide basic care to the newborn to help it resist some potential health risks listed in Box 7.1. Box 7.1 Health risks to newbornsNewborns need additional care to prevent:
Vaccine preventable diseases are discussed in detail in the Communicable Diseases Module, Study Sessions 3 and 4. Prevention of mother-to-child transmission (PMTCT) of HIV is covered in the Antenatal Care Module, Study Session 17; the drugs and procedures for PMTCT are given in the Communicable Diseases Module, Study Session 27. With the health risks in Box 7.1 in mind, make sure that you give all newborn babies the following essential care:
The vaccination schedule for all the vaccines in the EPI are described in full in the Immunization Module. You will learn all about breastfeeding in the Postnatal Care Module. Breastfeeding and HIV are covered in the Communicable Diseases Module, Study Session 27. Summary of Study Session 7In Study Session 7, you have learned that:
Self-Assessment Questions (SAQs) for Study Session 7Now that you have completed this study session, you can assess how well you have achieved its Learning Outcomes by answering the following questions. Write your answers in your Study Diary and discuss them with your Tutor at the next Study Support Meeting. You can check your answers with the Notes on the Self-Assessment Questions at the end of this Module. First read Case Study 7.1 and then answer the questions that follow it. Case Study 7.1 Atsede’s baby can’t breatheA 25 year-old woman called Atsede was brought to your Health Post after being in labour for 38 hours at home. Soon after she reached you, she gave birth to a full term baby boy. You assessed the baby and found he was not making any breathing effort, he had no movement of his limbs and his whole body was covered with meconium-stained amniotic fluid. When you dried him and applied tactile stimulation, the baby still didn’t show any effort to breathe. SAQ 7.1 (tests Learning Outcomes 7.2 and 7.3)
Answer
SAQ 7.2 (tests Learning Outcomes 7.4List the basic equipment you will need in order to resuscitate a newborn with breathing difficulties. AnswerThe basic equipment you will need in order to resuscitate a newborn with breathing difficulties are:
SAQ 7.3 (tests Learning Outcomes 7.1, 7.2, 7.4, 7.5 and 7.6)Which of the following statements is false? In each case say what is incorrect. A If a newborn cries soon after birth, it is a sign of asphyxia occurring before delivery. B Cyanosis means being covered with meconium all over the body. C The apical heartbeat can be detected by listening to the baby’s chest with a stethoscope. D Gas exchange in the lungs happens when carbon dioxide is breathed in and oxygen is breathed out. E Giving the newborn a Vitamin K injection is to prevent eye infections. F The recommended ventilation rate for newborns is 40 breaths/minute. AnswerA is false. If a newborn cries soon after birth, it is a sign of asphyxia occurring before delivery. B is false. Cyanosis means having a bluish colour to the skin because of oxygen shortage (asphyxia). C is true. The apical heartbeat can be detected by listening to the baby’s chest with a stethoscope. D is false. Gas exchange in the lungs happens when carbon dioxide is breathed out and oxygen is breathed in. E is false. Giving the newborn a vitamin K injection is to prevent spontaneous bleeding; tetracycline ointment is given to prevent eye infections. F is true. The recommended ventilation rate for newborns is 40 breaths/minute. SAQ 7.4 (tests Learning Outcome 7.4)Which of the following ways of stimulating the newborn are recommended, and which are dangerous and not allowed?
AnswerOnly two of the ways in the list are recommended for gentle tactile stimulation of the baby:
All the other ways listed are dangerous and should not happen. SAQ 7.5Table 7.1 summarises some common health risks to newborns and the immediate essential care to prevent those complications. Some of the boxes have been left blank for you to complete. Table 7.1 for use with SAQ 7.5
AnswerThe completed Table 7.1 is below. Table 7.1 Completed
How does the nurse perform tactile stimulation to initiate respiration in a newborn?The NRP recommends gentle and brief rubbing of a newborn's back, trunk or extremities using pre-warmed soft absorbent towels and flicking the soles of the feet as safe and appropriate methods of providing tactile stimulation.
How do you stimulate a newborn breathing?International resuscitation guidelines recommend tactile maneuvers such as warming, drying, and rubbing the back or soles of the feet to stimulate respiratory activity in (preterm) infants at birth.
What is infant tactile stimulation?Tactile stimulation (warming, drying, and rubbing the back or the soles of the feet) has been recommended in the guidelines to stimulate spontaneous breathing (7–9). Although this is now a commonly accepted intervention, the effect remains unclear.
What are the first 5 steps of neonatal resuscitation?Initial steps in stabilisation (provide warmth, position, clear airway, dry, stimulate, re-position) Ventilation.
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