Edema in middle-aged and elderly people may be the precursor of right heart failure, chronic kidney disease, hypothyroidism, lower extremity deep vein thrombosis and other diseases.
1. Right heart failure: many middle-aged and elderly people suffer from heart disease, the development of right heart failure, can cause lower limb edema, is due to the body circulation venous reflux obstruction, tissue fluid production caused by increased.
2. Chronic kidney disease: long-term chronic nephritis, secondary nephropathy, nephrotic syndrome and other renal diseases can lead to progressive decline in renal function, or even develop into chronic renal failure, with progressive decline in renal filtration function, leading to sodium retention and limb edema.
3. Hypothyroidism: hypothyroidism can trigger mucous edema, which is manifested as non-sunken edema on the back of the foot or the front of the shin.
4. Lower extremity deep vein thrombosis: Middle-aged and elderly people are at high risk for lower extremity deep vein thrombosis, especially those with underlying diseases. Lower extremity DVT can obstruct venous return to the lower extremities, leading to limb edema, mostly unilateral.
In addition to the above, there are other conditions that may cause foot swelling in middle-aged and elderly people, such as hypoproteinemia, hypertension, etc. It is recommended to go to the hospital for examination and targeted treatment as prescribed by the doctor, and not to take care of it on their own so as not to delay the course of the disease.