dr patrick disney royal adelaide hospital south australia · past history complex congenital heart...
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![Page 1: Dr Patrick Disney Royal Adelaide Hospital South Australia · Past history Complex congenital heart disease Atrial situs inversus Hypoplastic LV, VSD DORV, subpulmonary stenosis Interrupted](https://reader033.vdocuments.net/reader033/viewer/2022042411/5f28fbcf1bd6a0266652cb86/html5/thumbnails/1.jpg)
Dr Patrick Disney
Royal Adelaide Hospital
South Australia
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Adelaide
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Case report
Risk assessment prior to pregnancy
An increasingly frequent and complex discussion in ACHD population
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Helen 30 yrs old
Just married
Comes for discussion with her new husband re pregnancy
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Past history Complex congenital heart disease
Atrial situs inversus
Hypoplastic LV, VSD
DORV, subpulmonary stenosis
Interrupted IVC with hemizygous continuation of L SVC (no R SVC), direct hepatic vein drainage into atrium
Right sided aorta
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Past History Right BT shunt then central shunt before age 2 yrs
Aged 3 yrs – Roger Mee
Division of shunts
Transection and oversewing of main PA
Kawashima operation (L SVC to L PA) with patch repair of RPA stenosis
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Past History By age 5 yrs – developed extensive pulmonary AVMs
and had required PPM (epicardial leads) for sinus arrest post op
Proceeded to further surgery
‘Fontan circulation’ - baffle to direct hepatic vein flow to upper pole of L sided atrium and subsequent anastomosis to L PA
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Progress Gut malrotation
PPM battery removed after 5 years as not needed
Leads left in situ
Episodes of plastic bronchitis in early childhood
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Progress
2016 – hepatic cirrhosis Childs A
No oesophageal varices on endoscopy
Normal hepatic synthetic function
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Current health Cognitively normal – full time work
Gym twice a week
Warfarin 2.5mg/d
Overweight – 88kg (BMI 34)
Normotensive but mildly hypoxic SaO2 93%
No oedema
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Recent Ix Echo:
? Mildly impaired function of systemic RV – EF >40%
Mild-moderate mitral regurgitation
No MRI due retained PPM leads!
CT – no stenosis of pathways
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Recent Ix 6MWT – 626m with mild desaturation to 89%
Treadmill stress test
9.5 mins of predicted 12
Mild desaturation but normal BP and HR
CPET
13.5 mins (72% predicted)
VO2 max 15 mls/kg/min (66% predicted)
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Recent Ix Bloods
Hb 135 – normal
Normal Fe studies
Alb 38
LFTs normal
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Recent Ix PFTs
Mild restrictive defect
FVC and FEV1 ~ 80%
Moderately reduced DLCO 60%
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So what should I tell her?
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Some of the issues Which form of stress testing is most useful/predictive?
What is the impact of liver disease on pregnancy for Fontan group? What if she had small varices?
How important is plastic bronchitis?
What should we do with warfarin?
Where should she deliver?
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Geography
WCH – O&G/paed ICU
RAH – Adult ICU
FMC – O&G/adult ICU
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Some of the issues Which form of stress testing is most useful/predictive?
What is the impact of liver disease on pregnancy for Fontangroup? What if she had small varices?
How important is plastic bronchitis?
What should we do with warfarin?
Where should she deliver?
What about IVF?