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Neonatal Options for the 3100A. VIASYS Healthcare, Inc. Neonatal Options for the 3100A Early Intervention Pro-Active Rescue.

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Presentation on theme: "Neonatal Options for the 3100A. VIASYS Healthcare, Inc. Neonatal Options for the 3100A Early Intervention Pro-Active Rescue."— Presentation transcript:

1 Neonatal Options for the 3100A

2 VIASYS Healthcare, Inc. Neonatal Options for the 3100A Early Intervention Pro-Active Rescue

3 VIASYS Healthcare, Inc. Neonatal Options for the 3100A Rescue - is a term used to describe the infant that has failed all CMV strategies, and gas exchange continues to deteriorate; or develops airleak and is then transitioned to the oscillator.

4 VIASYS Healthcare, Inc. Neonatal Options for the 3100A Pro-Active - is a term applied to the infant on CMV that reaches specific thresholds and is then transferred to the 3100A prior to the onset of barotrauma or airleak.

5 VIASYS Healthcare, Inc. Pro-Active Establish institutional threshold or guideline as to when the 3100A will be implemented. For example: FiO 2 requirement of 60% or greater PIP requirement equal to or approaching the child’s gestational age (e.g. a 24 wk infant should not require greater pressures than the low 20’s without a concern about resulting airleak.) Deterioration of ABG’s without improvement following ventilator changes

6 VIASYS Healthcare, Inc. Neonatal Options for the 3100A Early Intervention - is a term used to describe the application of HFOV to an infant within the first 4 hours of life, or one that has not been conventionally ventilated. Application is usually applied to infants with RDS.

7 VIASYS Healthcare, Inc. Neonatal Strategies Preterm RDS (Diffuse Alveolar Disease) –Paw set at 1-2 cmH 2 O higher than CMV’s Paw –Frequency of 15 Hz for less than 1000 gms –Power of 2.0 and then adjust for minimum CWF Term or Near Term RDS –Paw set at 2-4 cmH 2 O higher than CMV’s Paw –Frequency of 10 Hz –Power of 2.0 and then adjust for adequate CWF

8 VIASYS Healthcare, Inc. Neonatal Strategies Airleak (Premature Infant less than 1000 gms) –Pulmonary Interstitial Emphysema (PIE) Paw set at 1 cmH 2 O less or equal to CMV’s Paw Frequency 15 Hz Power of 2.0 and then adjust for minimal CWF –Gross Airleak Paw set equal to or 1cmH 2 O higher than CMV’s Paw Frequency 15 HZ Power of 2.0 and then adjust for adequate CWF

9 VIASYS Healthcare, Inc. Neonatal Strategies Airleak (Term or Near Term Infant) Gross Airleak with poor inflation Paw initiated at equal to or 1-2 cmH 2 O > than CMV’s Paw Frequency at 10 Hz Power of 2.5 and then adjust for adequate CWF Gross Airleak with adequate inflation Paw set equal to or 1cmH 2 O < than CMV’s Paw Frequency at 10 Hz Power of 2.5 and then adjust for adequate CWF

10 VIASYS Healthcare, Inc. Neonatal Strategies Focal Pneumonia (non homogeneous) Paw equal to or 1 cmH 2 O > than the Paw in CMV Frequency of 10 down to 8 Hz Power of 2.5 and then adjust for a good CWF Infants that present with a patchy or lobar pneumonia on CXR, may not respond as well as those with diffuse lung involvement. If they present with hyperinflation, they may be at risk for airleak.

11 VIASYS Healthcare, Inc. Neonatal Strategies Meconium Aspiration Syndrome (Diffuse Haze) Paw at 2-4 cmH 2 O higher than CMV’s Paw Frequency of 10 down to 6 Hz Power at 2.5 and then adjust for good CWF This type of MAS will respond well to an HFOV trial. The lung is affected by the meconium liquid and produces a chemical pneumonitis/ RDS picture

12 VIASYS Healthcare, Inc. Neonatal Strategies Meconium Aspiration Syndrome (air trapping) Paw set equal to Paw of conventional Frequency of 8 Power of 2.5 and then adjust for good CWF Because of the presence of air trapping in this case, too aggressive use of the Paw, can further aggravate it and result in PIE or pneumothoraces. PPHN may also complicate this picture.

13 VIASYS Healthcare, Inc. Neonatal Strategies Congenital Diaphragmatic Hernia (CDH) Paw equal to or 1-2 cmH 2 O > than CMV’s Paw Dependent predominantly on inflation of lung on non-hernia side. Frequency 10 Hz Power of 2.5 and then adjust for adequate CWF Do not place infant on “HFOV Long Term” if it must transfer to another facility for surgery or ECMO.

14 VIASYS Healthcare, Inc. Neonatal Strategies Pulmonary Hypoplasia ( i.e., uniform Hydrops) Paw equal to the same Paw of CMV Increase Paw until maximum saturation of 93% Frequency of 15 Hz for < 1000 gms Frequency of 10 Hz of > 1000 gms Power of 2.0 and then adjust for minimal CWF

15 VIASYS Healthcare, Inc. Neonatal Strategies Prior to the use of the 3100A for Lung Hypoplasias, assess: CXR for the degree of lung inflation ABG’s for indication of gas exchange Determine if PPHN exists and to what degree Cardiac status Access to ECMO

16 VIASYS Healthcare, Inc. Neonatal Strategies REMEMBER- The 3100A requires use of disease specific strategies Application for diseases other than those indicated and application of an inappropriate strategy, will not result in positive outcomes. CWF stands for Chest Wiggle Factor, which may be described as a visible vibration of the chest wall from the shoulders to the umbilicus % Inspiratory Time is set to 33% for all strategies. Increasing the % I-Time may increase gas trapping.

17 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies Guideline is for initial starting point. If O 2 saturation does not improve within 5-10 min., increase the Paw until the saturation is 88-93%. Increase Paw until you see a rise in CVP or signs of decreased systemic blood flow Obtain a Chest X-Ray for observation of lung expansion to 8-9 posterior ribs or decreased opacification

18 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies Once oxygenation improves, maintain that Paw and monitor the child for changes in perfusion. Wean FiO 2 to 60% or less, re-check x-ray if diaphragm expansion is 9 rib level or more, decrease the Paw 1 cmH 2 O if diaphragm expansion is 8 to 8-1/2 rib level, continue to wean FiO 2 and monitor hemodynamics

19 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies Initial Paw in airleak is dependent on the inflation of the non air leak lung. The unaffected lung must be normalized for volume expansion. Accept less than optimal ABG’s UNTIL the airleak resolves. May see some evidence of atelectasis with the low lung volume strategy. Once no further leak from the chest tube is seen for 24 hrs, gently recruit the collapsed lung and begin weaning.

20 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies The use of Transcutaneous CO 2 is extremely helpful for preventing hyperventilation and dropping the CO 2 too rapidly. Infants less than 1000 gms will often hyperventilate at 10 Hz and minimal Chest Wiggle. If so, increase the frequency. Hypoventilation - increase amplitude by 2 cmH 2 O increments until the Chest Wiggle is optimal or decrease frequency. The Chest Wiggle should be limited to the thorax.

21 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies Use the 3100A to treat PIE the moment it is suspected or evidence of PIE on CXR is seen. The earlier application has better outcomes than following severe bilateral involvement. DO NOT aggressively increase Paw. This results in further worsening of PIE and trapped gas. Accept saturations of % initially and use higher FiO 2 ’s and PaCO 2 ’s until evidence of PIE resolution is seen.

22 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies The CDH patient with high PaCO 2 ’s may be initially stabilized on the oscillator until the child can be transported for ECMO and/or surgery. CXR rib inflation criteria normally used, does not apply to hypoplastic syndromes. Acceptable inflation may be as low as 6 ribs. Look at lung fields for lucency, and diaphragms for flatness. –e.g. Lung fields clear, diaphragms slightly flattened at 7 ribs, Paw should be left alone or decreased

23 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies A chest x-ray is needed prior to the initiation of HFOV, to assure that the appropriate strategy is applied for an MAS patient. ECMO needs to be immediately available if the patient fails HFOV. The onset of PPHN, airleak, or decreased CO may prevent a positive outcome with HFOV alone.

24 VIASYS Healthcare, Inc. Clinical Tips for Neonatal Strategies The oscillator is used for hypoplasia syndrome to protect the abnormally developed, small lungs and maintain ventilation. A transient improvement may be seen and then failure, which may be due to an insufficient amount of lung tissue or the onset of PPHN. HFOV as a rescue tool may not be effective in cases of hypoplasia. Early management with HFOV, to prevent barotrauma and acidosis, may improve outcomes.


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