Power venous disease (CVD), moreover is named power venous insufficiency, occurs when the veins in your legs can’t pump blood abet up to your heart effectively.
As an alternate, blood swimming pools within the lower limbs, raising stress within the veins and ensuing in complications indulge in swelling, aching, varicose veins, pores and skin changes, and, in severe cases, ulcers. Several factors contribute to this situation:
1. Defective Vein Valves
Leg veins beget one-approach valves that protect blood moving upward. When these valves weaken or fail, often since the vein partitions stretch, blood can float backwards, a route of called venous reflux. Over time, this backflow damages the veins and worsens CVD.
2. Deep Vein Thrombosis (DVT)
A blood clot in a deep leg vein can hurt valve leaflets. Even after the clot dissolves, remaining scar tissue would possibly perhaps prevent the valve from closing utterly. This “submit‑thrombotic syndrome” is a frequent trigger of power venous insufficiency.
3. Ageing and Wear‑and‑High-tail
As you turn out to be older, vein partitions and valves naturally lose elasticity. This wear‑and‑plod makes your valves much less ready to resist the stress of returning blood, rising the risk of valve failure.
4. Genetic Predisposition
Family history plays a key role. If your fogeys or siblings beget varicose veins or pretty a pair of venous complications, you’re extra liable to procure CVD. Any other folks are even born with weaker vein partitions or malformed valves, surroundings the stage early.
5. Weight problems and Excess Weight
Further body weight adds stress to the veins in your legs. This fixed stress can stretch vein partitions and weaken valves, making it more straightforward for blood to pool.
6. Prolonged Standing or Sitting
Jobs that require long hours on your ft or sitting at a desk decrease the natural “calf‑muscle pump” that helps push blood upward. When calf muscles don’t contract often, blood lingers within the legs, raising venous stress and unfavorable valves over time.
7. Being pregnant and Hormonal Factors
Being pregnant increases blood volume and areas hormonal stress on the vein partitions. Higher progesterone ranges kick again out vein partitions, and the stress of a rising uterus can lead to varicose veins and, in some cases, long‑timeframe venous disease. Multiple pregnancies lift the lifetime risk.
8. Smoking and Inaction
Tobacco use damages blood vessels and can attend clot formation. A sedentary plan of life further impairs circulation. Together, these factors velocity up valve deterioration and lift the probability of clot‑associated injury.
9. Leg Injury or Surgical treatment
Trauma to the leg—whether or no longer from an accident or surgical operation—can scar veins or injury valves. Even minor accidents would possibly perhaps invent blockages or leaks that trigger power insufficiency.
10. Assorted Medical Circumstances
Effectively being disorders reminiscent of heart failure, kidney disease, and diabetes can irritate venous pressures. Whereas no longer hiss causes, they add stress on leg veins and would possibly perhaps hotfoot the onset or severity of CVD.