الفهرس 
EMBERYOLOGIC CONSIDERATIONSOnly 14 pages are availabe for public view
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Abstract
This study mcludcs 30 pat1ents with tetralogy of Fallot, who were
palliated by Blalock- Taussig operation, in the last frve years (1980- !985).
These cases were selected after taking a full history and a thorough
clinical examination and the following investigations were done:
1 X-rays of the chest and heart in the posteroanterior and lateral views.
2. Electrocardiogram.
3. Cardiac catheterization and cinangiography.
4. Complete blood picture including haemoglobin, kidney and liver
function tests, serum electrolytes, and blood gas analysis.
5. Coagulation battery.
6. Urine and stool analysis.
7. Bacteriological studies.
Classic blalock - taussig operation was performed in 7 patients during
the early period of the study. In 2 of them (6%) the operation was on the
opposite side to the aortic arch (contralateral), while in the other 5 patients
the operation was on the same side as the aortic arch (ipsilateral).
The rest of the patients (23) were palliated with modified Blalock
Taussig operation using Gore -Tex tubes between 4-6 mm in diameter.