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European Resuscitation Council Guidelines for Resuscitation 2010 ...

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1374 D. Biarent et al. / <strong>Resuscitation</strong> 81 (<strong>2010</strong>) 1364–1388<br />

ficult to establish during resuscitation of an infant or child. In<br />

critically ill children, whenever venous access is not readily attainable<br />

intraosseous access should be considered early, especially<br />

if the child is in cardiac arrest or decompensated circulatory<br />

failure. 155–157 In any case, in critically ill children, if attempts at<br />

establishing intravenous (IV) access are unsuccessful after 1 min,<br />

insert an intraosseous (IO) needle instead. 155,158<br />

Intraosseous access<br />

Intraosseous access is a rapid, safe, and effective route to give<br />

drugs, fluids and blood products. 159–168 The onset of action and<br />

time to achieve adequate plasma drug concentrations are similar<br />

to that achieved via the central venous route. 169,170 Bone<br />

marrow samples can be used to cross match <strong>for</strong> blood type or<br />

group 171 <strong>for</strong> chemical analysis 172,173 and <strong>for</strong> blood gas measurement<br />

(the values are comparable to central venous blood gases if<br />

no drug has been injected in the cavity). 172,174–176 However samples<br />

can damage autoanalysers and should be used preferably in<br />

cartridge analyser. Flush each drug with a bolus of normal saline<br />

to ensure dispersal beyond the marrow cavity, and to achieve<br />

faster distribution to the central circulation. Inject large boluses<br />

of fluid using manual pressure. Intraosseous access can be maintained<br />

until definitive IV access has been established. The benefits<br />

of semi-automated IO devices remain to be seen but preliminary<br />

experiences show them to be rapid and effective <strong>for</strong> obtaining circulatory<br />

access. 167,168,177,178<br />

Intravenous access<br />

Peripheral IV access provides plasma concentrations of<br />

drugs and clinical responses equivalent to central or IO<br />

access. 156,157,179–181 Central venous lines provide more secure<br />

long-term access but, compared with IO or peripheral IV access,<br />

offer no advantages during resuscitation. 156,179–181<br />

Tracheal tube access<br />

Intraosseous or IV access should be definitely preferred to the<br />

tracheal route <strong>for</strong> giving drugs. 182 Drugs given via the trachea have<br />

highly variable absorption but, <strong>for</strong> guidance, the following dosages<br />

have been recommended:<br />

Adrenaline<br />

100 gkg −1<br />

Lidocaine<br />

2–3 mg kg −1<br />

Atropine<br />

30 gkg −1<br />

The optimal dose of naloxone is not known.<br />

Dilute the drug in 5 ml of normal saline and follow administration<br />

with five ventilations. 183–185 Do not give non-lipid soluble<br />

medications (e.g., glucose, bicarbonate, calcium) via the tracheal<br />

tube because they will damage the airway mucosa.<br />

Fluids and drugs<br />

Volume expansion is indicated when a child shows signs of<br />

circulatory failure in the absence of volume overload. 186 Isotonic<br />

crystalloids are recommended as the initial resuscitation fluid <strong>for</strong><br />

infants and children with any type of circulatory failure.<br />

If systemic perfusion is inadequate, give a bolus of 20 ml kg −1 of<br />

an isotonic crystalloid even if the systemic blood pressure is normal.<br />

Following every bolus, re-assess the child’s clinical state, using ABC,<br />

to decide whether a further bolus or other treatment is required.<br />

There are insufficient data to make recommendations about the<br />

use of hypertonic saline <strong>for</strong> circulatory failure associated with head<br />

injuries or hypovolaemia. 187,188<br />

There are also insufficient data to recommend delayed<br />

fluid resuscitation in the hypotensive child with blunt<br />

trauma. 189 Avoid dextrose containing solutions unless there<br />

is hypoglycaemia. 190–193 Monitor glucose levels and avoid hypoglycaemia;<br />

infants and small children are particularly prone to<br />

hypoglycaemia.<br />

Adenosine<br />

Adenosine is an endogenous nucleotide that causes a brief atrioventricular<br />

(AV) block and impairs accessory bundle re-entry at<br />

the level of the AV node. Adenosine is recommended <strong>for</strong> the treatment<br />

of supraventricular tachycardia (SVT). 194 It is safe because<br />

it has a short half-life (10 s); give it intravenously via upper limb<br />

or central veins to minimise the time taken to reach the heart.<br />

Give adenosine rapidly, followed by a flush of 3–5 ml of normal<br />

saline. 195 Adenosine must be used with caution in asthmatics, second<br />

or third degree AV block, long QT syndromes and in cardiac<br />

transplant recipients.<br />

Adrenaline (epinephrine)<br />

Adrenaline is an endogenous catecholamine with potent , 1<br />

and 2 adrenergic actions. It is placed prominently in the cardiac<br />

arrest treatment algorithms <strong>for</strong> non-shockable and shockable<br />

rhythms. Adrenaline induces vasoconstriction, increases diastolic<br />

pressure and thereby improves coronary artery perfusion pressure,<br />

enhances myocardial contractility, stimulates spontaneous<br />

contractions, and increases the amplitude and frequency of VF, so<br />

increasing the likelihood of successful defibrillation.<br />

The recommended IV/IO dose of adrenaline in children <strong>for</strong><br />

the first and <strong>for</strong> subsequent doses is 10 gkg −1 . The maximum<br />

single dose is 1 mg. If needed, give further doses of<br />

adrenaline every 3–5 min. Intratracheal adrenaline is no longer<br />

recommended, 196–199 but if this route is ever used, the dose is ten<br />

times this (100 gkg −1 ).<br />

The use of higher doses of adrenaline via the IV or IO route<br />

is not recommended routinely as it does not improve survival or<br />

neurological outcome after cardiopulmonary arrest. 200–203<br />

Once spontaneous circulation is restored, a continuous infusion<br />

of adrenaline may be required. Its haemodynamic effects are<br />

dose related; there is also considerable variability in response<br />

between children; there<strong>for</strong>e, titrate the infusion dose to the<br />

desired effect. High infusion rates may cause excessive vasoconstriction,<br />

compromising extremity, mesenteric, and renal blood<br />

flow. High-dose adrenaline can cause severe hypertension and<br />

tachyarrhythmias. 204<br />

To avoid tissue damage it is essential to give adrenaline through<br />

a secure intravascular line (IV or IO). Adrenaline (and other catecholamines)<br />

is inactivated by alkaline solutions and should never<br />

be mixed with sodium bicarbonate. 205<br />

Amiodarone<br />

Amiodarone is a non-competitive inhibitor of adrenergic receptors:<br />

it depresses conduction in myocardial tissue and there<strong>for</strong>e<br />

slows AV conduction, and prolongs the QT interval and the<br />

refractory period. Except when given <strong>for</strong> the treatment of refractory<br />

VF/pulseless VT, amiodarone must be injected slowly (over<br />

10–20 min) with systemic blood pressure and ECG monitoring to<br />

avoid causing hypotension. This side effect is less common with the<br />

aqueous solution. 206 Other rare but significant adverse effects are<br />

bradycardia and polymorphic VT. 207<br />

Atropine<br />

Atropine accelerates sinus and atrial pacemakers by blocking<br />

the parasympathetic response. It may also increase AV conduction.<br />

Small doses (< 100 g) may cause paradoxical bradycardia. 208 In

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