The tension in arterial walls is directly proportional to their radius according to LaPlace's law. Larger arteries experience greater tension than capillaries. If an artery develops a weak spot and expands to form an aneurysm, the tension increases further, putting it at higher risk of rupture. Aneurysms are dangerous as they can rupture and cause hemorrhaging. While no clear drug treatments exist, anti-hypertensive medications and neurointervention procedures are used to monitor and prevent further expansion of aneurysms.
2. INTRODUCTION
The tension in the walls of arteries and veins is a classical example of
LaPlace’s law.
This law states that for a given internal fluid pressure, the wall tension
will be proportional to the radius of the vessel.
Incase of large arteries they are reinforced by fibrous bands to
withstand against rupture
Capillaries rely on their small size.
4. DANGER ASSOCIATED WITH HIGH WALL TENSION
Increased risk of blood vessel rupture leading to
haemorrhage which can occur as ……..Aneurysm.
Aneurysm == Ballon
Aneurysm can occur in any blood vessel
Observed in Stroke patients (High Blood Pressure
associated )
5. Larger arteries are subjected to more tension than
capillaries .
If an artery wall develops a weak spot and expands it may
seem that it provides relief.
But the opposite is true.
The weakened vessel may continue to expand to form
aneurysm and eventually rupture .
For an expanding artery forming a nearly spherical shape
cannot be dependant upon to give sufficient relief.
6. Treatment
No clear drug in market till date however anti-hypertensive are used
Through imaging the blood vessel is observed and neurointervention.
The only alternative is to prevent more blood leakage to surrounding
tissue following rupture
MOST NOTABLE CASE….
