What is glomerular filtration pressure or net effective filtration pressure?

Monjur Alahi

What is glomerular filtration pressure or net effective filtration pressure?


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Salim Ahmed Kawsar

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Glomerular filtration pressure (GFP)/ Effective filtration pressure (EFP) is the difference between the hydrostatic pressure (GHP) and the sum of osmotic pressure of blood and capsular pressure (CHP).

It can be represented as: 

EFP = Glomerular hydrostatic pressure – (Osmotic pressure of blood + Filtrate Flydrostatic pressure) = 55 – (30 + 15) = 10 mmHg

[Note: Net filtration pressure = Glomerular blood hydrostatic pressure – (Capsular hydrostatic pressure + Blood colloid osmotic pressure) 

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