application and devices of jet ventilation
DESCRIPTION
Application and Devices of Jet Ventilation. 2002-11-11 R3 陳建宇. Monitored transtracheal jet ventilation using a triple lumen central venous catheter. Anaesthesia Volume 57 Issue 6 Page 578 - June 2002. Case I. 32 y/o male, 4-year history of NPC s/p R/T - PowerPoint PPT PresentationTRANSCRIPT
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Application and Application and Devices of Jet Devices of Jet
VentilationVentilation
2002-11-11 R32002-11-11 R3 陳建宇陳建宇
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Monitored transtracheal jet ventilMonitored transtracheal jet ventilation using a triple lumen central ation using a triple lumen central venous cathetervenous catheter
AnaesthesiaAnaesthesia Volume 57 Issue 6 Page 578 - JuVolume 57 Issue 6 Page 578 - Ju
ne 2002ne 2002
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Case ICase I
32 y/o male, 4-year history of NPC s/p 32 y/o male, 4-year history of NPC s/p R/TR/T
Mouth opening was 1 cm with limited heMouth opening was 1 cm with limited head extensionad extension
Left nasal passage was blockedLeft nasal passage was blocked Awake fibreoptic intubation 6 months prAwake fibreoptic intubation 6 months pr
eviously, resulted in aspiration of blood, eviously, resulted in aspiration of blood, impaired oxygenationimpaired oxygenation
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Case IICase II 38y/o male, 4-year history of NPC s/p R/T&OP38y/o male, 4-year history of NPC s/p R/T&OP Biopsy for recurrent mass in the oropharynxBiopsy for recurrent mass in the oropharynx Mouth opened 1 cm and very limited head extensionMouth opened 1 cm and very limited head extension Both nasal passages were completely blockedBoth nasal passages were completely blocked Sedated with midazolam 2 mg and atropine 0.3 mgSedated with midazolam 2 mg and atropine 0.3 mg Nasopharyngeal airway could not be used due to preNasopharyngeal airway could not be used due to pre
vious operationvious operation Consequently, the tongue was held out of the mouth Consequently, the tongue was held out of the mouth
with a pair of forceps to maintain a patent expiratory with a pair of forceps to maintain a patent expiratory pathwaypathway
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ProcedureProcedure
7 FG 16 cm triple lumen CVP (Arrow) 7 FG 16 cm triple lumen CVP (Arrow) Cricothyroid membrane were normalCricothyroid membrane were normal Cricothyroid blockCricothyroid block Insert the triple lumen catheter at mark 8cmInsert the triple lumen catheter at mark 8cm Distal lumen was connected to the AMS 1000 Distal lumen was connected to the AMS 1000
jet ventilatorjet ventilator Middle lumen was connected to the pressure Middle lumen was connected to the pressure
monitoring channel of the AMS 1000monitoring channel of the AMS 1000 Proximal lumen to a capnographProximal lumen to a capnograph
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ProcedureProcedure 9 FG suction catheter was passed through the rig9 FG suction catheter was passed through the rig
ht nostril into the oropharynxht nostril into the oropharynx 6.0-mm nasopharyngeal airway was gently thread6.0-mm nasopharyngeal airway was gently thread
ed over the suction catheter keeping expiratory ped over the suction catheter keeping expiratory pathway guaranteed (case I)athway guaranteed (case I)
Expired CO2 from the right nostril was monitored Expired CO2 from the right nostril was monitored with a second capnographwith a second capnograph
Propofol 2 mg.kgPropofol 2 mg.kg 1 1 and maintained with propofol 1 and maintained with propofol 10-6 mg.kg0-6 mg.kg 1 1.h.h 1 1; muscle relaxation was achieved ; muscle relaxation was achieved with atracurium 0.5 mg.kgwith atracurium 0.5 mg.kg 1 1. Morphine 0.1 mg.kg. Morphine 0.1 mg.kg 1 1 was used for analgesiawas used for analgesia
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DiscussionDiscussion
Cricothyroid puncture and transtracheal jet veCricothyroid puncture and transtracheal jet ventilation is a useful emergency measure when ntilation is a useful emergency measure when it is impossible to secure the airwayit is impossible to secure the airway
Surgical tracheostomy may seem excessive fSurgical tracheostomy may seem excessive for minor procedures such as biopsyor minor procedures such as biopsy
Triple lumen central venous catheter for monitTriple lumen central venous catheter for monitored jet ventilation was first described in childored jet ventilation was first described in children when the catheter was placed through the ren when the catheter was placed through the larynxlarynx
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DiscussionDiscussion
Two major concerns: barotrauma and cTwo major concerns: barotrauma and carbon dioxide accumulationarbon dioxide accumulation
We addressed these by continuously mWe addressed these by continuously monitoring the airway pressure and the exonitoring the airway pressure and the expired co pired co 22 partial pressure via the separ partial pressure via the separ
ate 18 FG lumens without interrupting vate 18 FG lumens without interrupting ventilation via the 16 FG lumenentilation via the 16 FG lumen
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AdventagesAdventages Easy to insert under local anaesthesia Easy to insert under local anaesthesia The markings on the catheter helped positioningThe markings on the catheter helped positioning All three lumens were opening within the tracheaAll three lumens were opening within the trachea The catheter does not obstruct even when kinkeThe catheter does not obstruct even when kinke
dd Such catheters are widely available and economiSuch catheters are widely available and economi
cal compared to custom-made cricothyroid canncal compared to custom-made cricothyroid cannulation sets that do not offer the option of monitorulation sets that do not offer the option of monitoring transtracheal jet ventilation.ing transtracheal jet ventilation.
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A Potential ProblemsA Potential Problems
Movement of the tip was minimised by keepinMovement of the tip was minimised by keeping a short length within the trachea and by usig a short length within the trachea and by using a low driving pressureng a low driving pressure
Trauma due to whipping of the catheter with Trauma due to whipping of the catheter with each jet breatheach jet breath
Another problem is mucus plugging of the lumAnother problem is mucus plugging of the lumens particularly the capnography lumenens particularly the capnography lumen
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Minimise the complicationsMinimise the complications Continuous monitoring of the airway preContinuous monitoring of the airway pre
ssure can minimise the risk of barotraussure can minimise the risk of barotrauma, hyperinflation and pneumothorax ma, hyperinflation and pneumothorax
Maintenance of a patent expiratory pathMaintenance of a patent expiratory pathway prevents stacking of breaths , hypway prevents stacking of breaths , hyperinflation and barotraumaerinflation and barotrauma
A combination of vocal cord relaxation, A combination of vocal cord relaxation, head and neck positioning and a nasal head and neck positioning and a nasal airway in the first patient were usedairway in the first patient were used
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Measurement of CO2Measurement of CO2 The gradient between the co The gradient between the co 22 in the airway and the in the airway and the
PPaa co co 22 caused by dilution of the expired gas by both t caused by dilution of the expired gas by both the driving gas and entrained airhe driving gas and entrained air
End expiratory co End expiratory co 22 is useful for monitoring ventilator is useful for monitoring ventilatory pattern but is much lower than the true end-tidal co y pattern but is much lower than the true end-tidal co
22 and does not give a meaningful estimate of P and does not give a meaningful estimate of Paa co co 22
Intermittent single breath end-tidal co Intermittent single breath end-tidal co 22 measurement measurement was closely correlate with Pwas closely correlate with Paa co co 22 and useful for monit and useful for monitoring the adequacy of co oring the adequacy of co 22 elimination elimination
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DisadvantagesDisadvantages
No protection from contamination by No protection from contamination by blood and surgical debrisblood and surgical debris
Positive end-expiratory pressure help to Positive end-expiratory pressure help to reduce contamination reduce contamination
Surgeon may pay attention to suction of Surgeon may pay attention to suction of blood and debris from obstructing the blood and debris from obstructing the expiratory pathwayexpiratory pathway
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ConclusionConclusion It is a simple technique that allows uninterruptIt is a simple technique that allows uninterrupt
ed ventilation and oxygenationed ventilation and oxygenation It has continuous monitoring of airway pressuIt has continuous monitoring of airway pressu
re and expired carbon dioxidere and expired carbon dioxide It is a useful option when upper airway patholIt is a useful option when upper airway pathol
ogy makes conventional intubation difficultogy makes conventional intubation difficult A custom-made triple lumen catheter for moniA custom-made triple lumen catheter for moni
tored transtracheal jet ventilation will be a weltored transtracheal jet ventilation will be a welcome device in the management of difficult aircome device in the management of difficult airways.ways.
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Respiratory Gas Monitoring During Respiratory Gas Monitoring During High-Frequency Jet Ventilation for High-Frequency Jet Ventilation for Tracheal Resection Using a Tracheal Resection Using a Double-Lumen Jet CatheterDouble-Lumen Jet Catheter
A&A, Vol 88(1). Jan 1999A&A, Vol 88(1). Jan 1999
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CaseCase
22 y/o male, 2.5cm tracheal stenosis localize22 y/o male, 2.5cm tracheal stenosis localized 4.5cm below the glottisd 4.5cm below the glottis
Schedule for tracheal resection and end-to-enSchedule for tracheal resection and end-to-end anastomosisd anastomosis
After anesthesia, inspect the stenosis by fibeAfter anesthesia, inspect the stenosis by fiberscope and intubate a 24F ETTrscope and intubate a 24F ETT
After sternotomy, withdraw the tube proximal tAfter sternotomy, withdraw the tube proximal to the stenosis, and advance a double-lumen o the stenosis, and advance a double-lumen 12F polyrethane jet catheter12F polyrethane jet catheter
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CaseCase
Central lumen connected to HFJVCentral lumen connected to HFJV Second lumen for capnography & oxygraphy (asSecond lumen for capnography & oxygraphy (as
piration 200ml/min) piration 200ml/min) Jet ventilation was used 45 min with setting: FiOJet ventilation was used 45 min with setting: FiO
2: 0.6, frequency:100/min, I/E:2:3, driving press2: 0.6, frequency:100/min, I/E:2:3, driving pressure adjust to normal ETCO2ure adjust to normal ETCO2
Temporarily slowed the frequency to 8/min for tTemporarily slowed the frequency to 8/min for two cycles for estimating ETCO2 & O2wo cycles for estimating ETCO2 & O2
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Double-Lumen CatheterDouble-Lumen Catheter
12F, 70cm12F, 70cm Designed by author’s department in GermDesigned by author’s department in Germ
anyany Central/lateral lumen: 1.8/1.2mmCentral/lateral lumen: 1.8/1.2mm Distance between two lumen is 10mmDistance between two lumen is 10mm Can’t monitor the pressure due to air trappCan’t monitor the pressure due to air trapp
ing probleming problem
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ResultsResults
Two sets of end-tidal and arterial O2 Two sets of end-tidal and arterial O2 and CO2 were measured by and CO2 were measured by conventional mechanical ventilation conventional mechanical ventilation before tracheal resection– differences before tracheal resection– differences were 4.0-4.4mmHgwere 4.0-4.4mmHg
Three sets were obtained by HFJV Three sets were obtained by HFJV during tracheal resection– differences during tracheal resection– differences were 1.5-5 mmHgwere 1.5-5 mmHg
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DiscussionDiscussion
Most of these studies show good correlation betMost of these studies show good correlation between capnographic and arterial CO2 value but ween capnographic and arterial CO2 value but only few show good correspondence only few show good correspondence
Most reasons were “contamination” with room aMost reasons were “contamination” with room airir
FEO2 is better than FIO2 to estimate the actual FEO2 is better than FIO2 to estimate the actual inspired oxygen concentrationinspired oxygen concentration
Changes in FEO2 were accompanied by corresChanges in FEO2 were accompanied by correspinding changes in PaO2 pinding changes in PaO2
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DiscussionDiscussion
This double-lumen allows continuous This double-lumen allows continuous PETCO2 and FEO2 measurements PETCO2 and FEO2 measurements during low- and high-frequency jet during low- and high-frequency jet ventilationventilation
A simple, safe, and cost-effective A simple, safe, and cost-effective method and increase the safety of jet method and increase the safety of jet ventilationventilation
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One-Lung Ventilation for ThoracotoOne-Lung Ventilation for Thoracotomy Using a Hunsaker Jet Ventilatiomy Using a Hunsaker Jet Ventilation Tuben Tube
Anesthesiology, Vol 87(6). Dec 1997Anesthesiology, Vol 87(6). Dec 1997
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CaseCase
52y/o male, laryngeal ca s/p total laryngectom52y/o male, laryngeal ca s/p total laryngectomy and R/T 13 months agoy and R/T 13 months ago
Schedule for left upper lobectomy for 2cm lunSchedule for left upper lobectomy for 2cm lung noduleg nodule
Soft silicon noncuffed laryngectomy tube was Soft silicon noncuffed laryngectomy tube was placed due to tracheal stenosisplaced due to tracheal stenosis
Tracheoesophageal fistula inserting voice proTracheoesophageal fistula inserting voice prosthesis sthesis
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Hunsaker jet ventilation tubeHunsaker jet ventilation tube
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CaseCase
Proximal end of the voice prosthesis partly Proximal end of the voice prosthesis partly obstructed the tracheostomy tubeobstructed the tracheostomy tube
Removal of the laryngectomy tube would dRemoval of the laryngectomy tube would dislocate the voice prosthesis from the trachislocate the voice prosthesis from the tracheoesophageal fistulaeoesophageal fistula
Prosthesis act as a one-way valve preventiProsthesis act as a one-way valve preventing aspiration ng aspiration
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ProcedureProcedure
Thoracic epidural catheterThoracic epidural catheter PreoxygenationPreoxygenation Sedated by propofol, ketamineSedated by propofol, ketamine 3ml of 4% lidocaine was instilled into th3ml of 4% lidocaine was instilled into th
e tracheae trachea Hunsaker jet ventilation tube inserted intHunsaker jet ventilation tube inserted int
o the tracheostomy tubeo the tracheostomy tube
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ProcedureProcedure
Wings of the tube were squeezed togetWings of the tube were squeezed together and were totally inserted into the righer and were totally inserted into the right main bronchus under a pediatric bronht main bronchus under a pediatric bronchoscopechoscope
Sulfentanil, pancuroniumSulfentanil, pancuronium Jet port was positioned at the entrance Jet port was positioned at the entrance
of the right main bronchusof the right main bronchus 90/min, I:E=1:1, FIO2=190/min, I:E=1:1, FIO2=1
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ProcedureProcedure
Good visual expansion of right chestGood visual expansion of right chest PaO2: 376mmHg, PaCO2: 39mmHg(5PaO2: 376mmHg, PaCO2: 39mmHg(5
min)min) Left lung fully collapsed 30min laterLeft lung fully collapsed 30min later Thoracotomy lasted 95min and Sao2 vaThoracotomy lasted 95min and Sao2 va
ried from 100% to 92%ried from 100% to 92% OLV(30’,50’): PaO2=65 and 69mmHg, OLV(30’,50’): PaO2=65 and 69mmHg,
PaCO2=28mmHgPaCO2=28mmHg
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ProcedureProcedure
SCC was confirmed and lobectomy was cancSCC was confirmed and lobectomy was cancelledelled
Hunsaker tube was withdrawn into the tracheaHunsaker tube was withdrawn into the trachea Adjusted the rate to 15/min (inspiratory time, 2Adjusted the rate to 15/min (inspiratory time, 2
s)s) Rapid reinflation of left lungRapid reinflation of left lung PaO2 448-398mmHg and PCO2 37-39mmHgPaO2 448-398mmHg and PCO2 37-39mmHg
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DiscussionDiscussion
Jet ventilation catheter (often modified nJet ventilation catheter (often modified nasogastric tubes) are used for tracheal rasogastric tubes) are used for tracheal resection and reconstructive surgeryesection and reconstructive surgery
Never been used as an altermative to a Never been used as an altermative to a DLT for lung resectionDLT for lung resection
2mm catheter passed through a standar2mm catheter passed through a standard ETT and fed into the left main bronchud ETT and fed into the left main bronchuss
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DiscussionDiscussion
Complications—Complications—
1.1. PneumothoraxPneumothorax
2.2. Tears in the tracheobronchial mucosaTears in the tracheobronchial mucosa
3.3. Injury caused by drying and cooling gaInjury caused by drying and cooling gass
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DiscussionDiscussion Hunsaker tube—Hunsaker tube—1.1. Has distal wings that center the high pressure jHas distal wings that center the high pressure j
et in the tracheal or bronchial lumen 3cm from et in the tracheal or bronchial lumen 3cm from the of the catheterthe of the catheter
2.2. The wings limit the movement of the catheter pThe wings limit the movement of the catheter preventing the direct mucosal injuryreventing the direct mucosal injury
3.3. Side port allows monitoring of either tidal CO2 Side port allows monitoring of either tidal CO2 or tracheal pressureor tracheal pressure
4.4. More reliably placed in position than a narrow tMore reliably placed in position than a narrow tubeube
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結論結論 因應不同術式而發展出不同的因應不同術式而發展出不同的 devicesdevices 就地取材就地取材 Well-monitored to prevent complicatiWell-monitored to prevent complicationsons
對對 airway managementairway management 活用且大膽活用且大膽 可用於常規手術可用於常規手術
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Thanks for your Thanks for your attentionattention