Pediatric Respiratory Wrap Up, GI, & Ortho Surgery - Quiz 3 Flashcards
When are Tonsillectomies & Adenoidectomies (T&As) indicated?
Upper Airway Obstruction
Hypertrophy
Chronic URIs
OSA
What analgesics are used for T&As?
Morphine 0.1 mg/kg
&
Fentanyl 1-2 mcg/kg
(1/2 dose for OSA)
What is the Pediatric Decadron dose for T&As?
0.3 - 1 mg/kg
When can Post T&A bleeding occur?
Early: <24 hrs
&
Delayed/Secondary: 24hrs - 3wks…Peaks @ Day 7
What is the treatment for Post T&A bleeding?
Surgical Packing or Suturing
What increases the risk for Post T&A Bleeding?
Inflammation
Infection
Pre-Op NSAIDs
Coagulopathy
What are some causes of Post T&A Bleeding?
Inadequate Hemostasis
Major Vessel Injury
Thrombocytopathies
↑Fibrinolysis
How is Post T&A bleeding prevented?
Tonsilar Capsule Dissection
Meticulous Hemostasis
Avoid Sx during/after Acute Inflammation / Infection
Avoid Blind Suctioning
Avoid NSAIDs
What are symptoms of Post T&A Bleed?
Hypovolemia
Anemia
Agitation
Shock
Blood in Stomach
What induction meds shoud be available for intubating w/ Post T&A Bleed?
Ketamine
Etomidate
Propofol
Rocuronium
Sux
Atropine
What intubation supplies should be available for a Post T&A Bleed?
Suction x2
Blades/Handles x2
Multi-Stylet Cuffed ETT
Experienced Help
What is Choanal Atresia?
Occlusion of one or both Posterior Nares commonly r/t Craniosynostosis
How is Unilaterial Choanal Atresia detected?
Intractable Unilateral Nasal Drainage
How is Choanal Atresia treated?
Surgical Correction or Trach w/in first few days of life
How should kids w/ Choanal Atresia be Intubated?
Awake w/ Oral RAE Tube
What is the Post-Op management for Choanal Atresia Surgery?
Close Monitoring in ICU especially w/ Stent Placement
What is Gastroschisis?
Anterior Abd. Wall defect to the right of the Umbilical Cord.
Bowel has NO SAC & is exposed, matted, thickened, & covered in Inflammatory Coating
Usually an Isolated Lesion
What problems does Gastroschisis cause?
Malabsorption
Peritonitis
ECF & Heat Loss
Which part of the GI Tract does Gastroschisis affect?
Large & Small Intestines
What causes Gastroschisis?
Vascular Event
Abnormal Omphalomesenteric Artery or Right Umbilical Vein
Young Maternal Smoking/ETOH
How can Gastroschisis be diagnosed?
Ultrasound
↑Maternal Alpha Fetoprotein
What is an Omphalocele?
Central Defect of Umbilical Ring/Base
Abd. contents & Umbilical are WITHIN A SAC
Associated w/ Other Problems
How big is the Fascial Defect for an Omphalocele?
> 4cm
Less than 4cm = Umbilical Hernia
What abdominal contents are inside the Omphalocele Sac?
Stomach
Large & Small Intestine
Liver
Why does an Omphalocele form?
In a Fetus, the midgut starts to herniate at wk 7
By wk 12 it should start going back into the abd. cavity, but doesnt, forming an Omphalocele
With an Omphalocele, there are high incidences of other problems. What are they?
Beckwith-Wiedemann Syndrome
Reiger Syndrome
Prune Belly Syndrome
Trisomy 13, 15, 18, 21
Cardiac Problems
What is Beckwith-Wiedemann Syndrome?
Overgrowth of various body parts
What is the Survival Rate of having an Omphalocele with & without a Heart Defect?
With: 20%
Without: 70%
How is an Omphalocele treated?
Primary surgical closure of peritoneal cavity if guts can fit in abd. cavity
or
Paint & Wait (w/ Abx) until gut can fit
What are signs that indicate a Primary Omphalocele closure to be unsafe?
Intra-Abdominal Pressure > 20 mmHg
> 4 mmHg CVP Increase
EtCO2 > 50 mmHg
Peak Pressures > 35 cm H2O
What Maintenance fluid should be used for an Omphalocele closure?
D5 0.2%NS or D10 0.2%NS
How much fluid should be replaced for an Omphalacele Closure?
2-4x Maintenance w/ Isotonic Fluid or 8-15 mL/kg/hr
&
1-2 mL/kg/hr Urine Output
What are the Post-Op complications for an Omphalocele Closure?
Pneumonia
Necrotizing Enterocolitis
Renal Insufficiency
Abdominal Wall Breakdown
GERD
What is a Congenital Diaphragmatic Hernia?
Diaphragm defect r/t Polyhydramnios that lets abd. organs herniate into thoracic cavity
What are the Anomalies that are associated w/ a Congenital Diaphragmatic Hernia?
Gut Malrotation
CV Problems
CNS Problems
GI & GU Problems
What are the Most common types of Congenital Diaphragmatic Hernias?
Posterolateral > Para-Esophageal > Anteromedial
How do Congenital Diaphragmatic Hernias (CDHs) affect the Heart & Lungs?
LV Dysfunction
Bilateral Lung Hypoplasia
Pulm. HTN
Arteriolar Reactivity
What is the Classic Triad of a CDH?
Dyspnea
Cyanosis
Dextrocardia
What are signs of a CDH?
Chest Bulge
Scaphoid Abdomen Bulge
↓Breath Sounds
Distant Heart Sounds
Bowel Sounds in Chest
Mediastinal Shift
Why should Hyperventilation w/ 100% O2 be avoided w/ CDH?
Damages Alveolar & Capillary Membranes
and
Worsens Pulm. HTN
What are Primary Goals of Medical Management of CDH?
Maximize Arterial Oxygenation
Correct Acidosis
Prevent Hypothermia & Pain
What are the special precautions when intubating a baby w/ a CDH?
Minimize Barotrauma from PPV
5-10 mL/kg TV
Permissive Hypercapnea (55-60 mmHg) unless R-L Shunt
Nitric Oxide
What are the complications of ECMO for a baby?
Bleed @ Cannulation Site
Intracranial Hemorrhage & Brain Death
Sepsis
HTN
Survival Rate Long term is actually Lower (50-60%) w/ ECMO than Without (80%)
What are the requirements for a Baby to go on ECMO?
> 2 kg & >35 wks gestation
What is the problem w/ a Thoracoscopic CDH Repair vs. an Open CDH Repair?
Insufflation w/ Thoracoscopic Repair can ↑CO2 & cause Difficulty Ventilating
What are the Surgical Complications of a CDH Repair?
Hypoxemia
Pulm. Hypoplasia
Pulm. HTN
Contralateral PTX
IVC Compression - Hypotension
Which population is more at risk for Pyloric Stenosis?
Males w/ a parent who had it
How does Pyloric Stenosis happen?
Thickening of Pylorus smooth muscle causing gradual obstruction of gastric outlet & forceful NonBilious Projectile Vomit that occurs @ 2-8 weeks of life
How is Pyloric Stenosis diagnosed?
Palpation of Olive-Sized Mass in the Upper Abd. & Verified by Imaging
What are the symptoms of Pyloric Stenosis?
Dehydration
Hyponatremia
Hypokalemia
Hypochloremic Metabolic Alkalosis
Severe Pyloric Stenosis = Acidosis
How should Pyloric Stenosis be managed before surgery?
Not Surgical Emergency
Replace Fluids & Lytes w/ D5 0.45% NS + 40 KCL for 12-48 hrs
What is a TracheoEsophageal Fistula (TEF) ?
Esophageal Atresia w/ or w/o a fistula b/t the Esophagus & Trachea
90% Survival Rate
What is the most common type of TracheoEsophageal Fistula?
Type C - Upper Esophagus ends @ stomach & lower Esophagus attaches to Trachea
Gastric Distention is most common w/ this type
Type E TracheoEsophageal Fistula goes unnoticed until later in life when recurrent _______ occur
Type E TracheoEsophageal Fistula goes unnoticed until later in life when recurrent Pneumonias occur
What are signs and symptoms of a TEF?
Excessive Oral Secretions & Salivation
First Feed Choking
Coughing
Cyanosis
Aspiration
Gastric Distention
Pneumonia
How is a TEF diagnosed?
Cant pass suction or OGT into stomach
&
CXR showing Cath in Esophagus
What are the associated Anomalies of TEF?
VACTERL
V ertebral
A norectal
C ardiac
T EF
E sophageal Atresia
R enal
L imb
Where should the ETT be for a TEF?
Above Carina & Below Fistula or use Right Main technique & withdraw until breath sounds are heard @ Left Axilla
What is the patient position for a TEF procedure?
Left Lateral Decubitus for a Right Thoracotomy
What are the Intra-Op Complications for a TEF?
Right Main Intubation
Fistula Intubation
ETT & Tracheal Obstruction
Atelectasis
Hypothermia
Hypoglycemia
Return to Fetal Circulation
What should be avoided Post-Op for a TEF?
Head Extension
&
Suctioning beyond Anastomosis Level
What are Long Term Complications of TEFs?
Esophageal Stricture
Tracheomalacia
GERD
Chronic Cough
Wheeze
Exercise Intolerance
What causes Congenital Hip Dislocation?
Prolonged Displacement of Fetal Femoral Head from Acetabulum resulting in Joint Laxity to Irreducible Displacement
How is a Congenital Hip Dislocation treated?
Pavlick Harness
or
Closed Reduction & Spica Cast - short procedure, little pain
What is the Greatest Concern during a Closed Reduction & Spica Casting for a Congenital Hip Dislocation?
Loss of Airway from Repositioning the Baby
What causes Congenital Clubfoot?
Shortened Medial & Achilles Tendon
Foot Points Down & Rotated Inward
How is Congenital Clubfoot treated?
Surgical Manipulation & Casting @ 3-6 months
Lots of Post-Op Pain
What is Osteogenesis Imperfecta?
Collagen Production Defect resutling in Abnormal Bones, Ligaments, Teeth, & Sclera
EASY to Fracture
There are 4 types of Osteogensis Imperfecta. Which type is the most severe?
Type 2 - Perinatal Lethal Form - MOST do NOT survive
What are signs & symptoms of Osteogenesis Imperfecta?
Bowing of Long Bones
Kyphoscoliosis
Otosclerosis
Deafness
Hypermetabolic - NOT MH
Decreased Clotting
What is an important consideration when using Sux in Osteogenesis Imperfecta?
Fasiculations can cause Fractures
What is Cerebral Palsy?
Static Encephalopathy & Nonprogressive Central Motor Deficit r/t Hypoxic or Anoxic Brain Injury during Prenatal Period
What causes Cerebral Palsy?
Prematurity
Birth Trauma
Hypoglycemia
Infections
Congenital Vascular Malformation
What is the Clinical Presentation of Cerebral Palsy?
Mental Retardation
Seizures
Skeletal Contractures/Spasms
Impaired Laryngeal/Pharyngeal Reflexes
Poor Dental Hygiene
How does Cerebral Palsy affect Anesthetics?
Decreases MAC
&
Needs less Propofol
How should a pt. w/ Cerebral Palsy be managed in regards to their Seizure Disorder?
Take Anti-Seizure meds (Phenobarbital, Dilantin, Tegretol) up to & day of surgery
How is Cerebral Palsy related Skeletal Muscle Spasticity treated?
Dantrolene or Baclofen
What should be evaluated when a child comes in with a fracture from blunt force trauma?
C-Spine or Organ Injury
What is Myelodysplasia?
Congenital failure of Middle or Caudal End of Neural Tube to close resulting in
Spina Bifida
Meningocele
Myelomeningocele
What is the difference b/t a Meningocele & Myelomeningocele?
Meningocele: Protruding meninges w/ Spinal Fluid in Sac
Myelomeningocele: More Severe w/ Nerves in Sac
What are characteristics of a Meningocele?
Intact Neuro
Spinal Cord tethered by Sacral Nerve Roots
What happens if a Meningocele is Unrepaired?
Orthopedic & Urologic Symptoms
What are characteristics of a Myelomeningocele?
Upper Urinary Tract Dilation
Spasticity
Scoliosis
Varies in Deficits
How should pts w/ Myelodysplasia be Induced & Intubated?
Lateral Intubation
Avoid NDNMBs Initially
Neurometric Monitoring
What is Scoliosis?
Lateral & Rotational Deformity of Thoracolumbar Spine & Ribcage that are Idiopathic or r/t Rapid Growth
How does Scoliosis affect the Respiratory System?
↓Lung Volumes
↓Chest Wall Compliance
V/Q Mismatch
Chronic Hypoxemia
↑Pulm. Vascular Resistance
Pulm. HTN
What problems can arise w/ the Prone Position during Scoliosis Surgery?
Lung Compression
↑Intra-Abd Pressure
IVC Compression
Engorged Epidural Vein
↑Bleeding
↓Venous Return & CO
With MEP monitoring for Scoliosis Surgery, what anesthetics are used?
Propofol
Remifentanil
Versed
Ketamine
No Gas
What is the EBL for Scoliosis Surgery & How should it be managed?
EBL = 25 mL/kg
TXA
Deliberate Hypotension
Hourly H&H
Normothermia
Cell Saver
What are common Post-Op problems of Scoliosis Surgery?
Mechanical Vent
Hypovolemia
Pain
Ileus
SIADH