Airway Management for the Unborn Patient by Dr. Corey Iqbal, Chief, Section of Fetal Surgery,...
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Transcript of Airway Management for the Unborn Patient by Dr. Corey Iqbal, Chief, Section of Fetal Surgery,...
![Page 1: Airway Management for the Unborn Patient by Dr. Corey Iqbal, Chief, Section of Fetal Surgery, Children's Mercy Kansas City, Assistant Professor of Surgery, UMKC](https://reader031.fdocuments.us/reader031/viewer/2022032620/55cc906ebb61eb0b2d8b4753/html5/thumbnails/1.jpg)
Airway Management for the Unborn Patient
Corey W. Iqbal, MD, FAAP
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Objectives
• What is an EXIT procedure
• Indications
• Procedural considerations– Preoperative– Intraoperative– Postoperative
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• Not that important
Fetal Airway
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E.X.I.T. Procedure
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Historical Perspective
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History of Fetal Surgery
• Michael R. Harrison – 1981 “Father of Fetal Surgery”
• Bladder Obstruction• CDH
Pulmonary Hypoplasia
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CDH
• 70% survival– Pulm hypoplasia– Pulm HTN
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CHAOS
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Managing the Airway
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OOPS!!!
• Operation On Placental Support
• Ex-utero Intra-partum Therapy (EXIT)
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NOT A CESAREAN SECTION
EXIT
• Placental Circulation– Placenta as bypass pump
• Uterine atony– Deep general anesthesia– Tocolytics
• Hemorrhage risk*
Cesarean
• Uterine contraction• No placental circulation• Regional anesthesia• “Slash & Dash”
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Indications
• Any anomaly where cardiopulmonary collapse off placental/fetal circulation– Airway
• Fetal neck mass
• CHAOS
• Micrognathia
– Thoracic lesions• Lung lesions
• CDH
– Congenital heart disease– SCT
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EXIT-to-???
• EXIT-to-airway– Oral endotracheal– Trachesotomy
• EXIT-to-resection
• EXIT-to-ECMO
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Fetal Considerations
– Pain – fetal cocktail– Monitoring
• US• Pulse Oximetry• Temperature
– Venous access
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Maternal Considerations
• DVT risk• Position – right side up• Epidural• DEEP general anesthesia
– Uterine atony
• Tocolytics– Nitroglycerin– Terbutaline
• Hemorrhage risk
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Preoperative
• Patient selection
• Fetal Neck Mass– Obtain MRI – repeat between 30-34 weeks– TEDI score >12– Teratoma– Polyhydramnios
Cass et al. JPS. 2012;47:46-50
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Fetal Neck Mass
• Survival without EXIT– 0-20%
• Survival with EXIT– 83%
• ALL EXITs – UCSF survival 71%
Iqbal et al. In Submission
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Fetal Neck Mass
• 36 year old
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Fetal MRI
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Aerodigestive Compression
Deviated Trachea Small Stomach
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Intraoperative
• Low transverse incision to expose uterus
• Placental mapping by ultrasound
• Hysterotomy
• Tocolytics– Nitro– Terbutaline
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Intraoperative
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Intraoperative
• Fetal cocktail– Fentanyl + rocuronium
• Pulse oximetry– HR– SpO2
• Temp probe
• +/-Fetal IV access– Pressors: epi, atropine– Fluid resuscitation
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Intraoperative
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Other Indications
• CDH – Boston data does not support– EXIT-to-ECMO: 33% vs 50% survival
• Lung lesions– 100% survival; discharge at 10 days– 71% survival without EXIT
Buchmiller et al. JPS. 2012;47:1053-1057
Lee et al. JPS. 2013;48:138-144
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Other Indications
• Congenital Heart Disease– HLHS with in tact septum– Delivery in OR with immediate cath
• Other neoplasms– SCT– Little data to support
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Congenital Lung Lesions
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Delivery
• Secure airway – paralytics on board
• Clamp chord and deliver– Obtain chord blood gas
• Anesthesia– Reduce inhalation– Administer pitocin
• Now becomes a Cesarean
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Crowd Control
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Postoperative
• Mom C-sxn– Pain control– ADAT– 4 days
• Baby– Work-up– Definitive treatment
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Other Scenarios
• CHAOS– Fetoscopy
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Fetal Bronchoscopy
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Questions