2015年6月23日星期二

Edema with Kidney Failure Patient

Edema
Edema or oedema, formerly know as dropsy or hydropsy is an abnormal retention of fluid beneath the skin or in one or more cavities of the body. Generally, body fluid will accumulate in interstitium, and this can Immunotherapy from increased secretion of fluid into the interstitium or impaired removal of this fluid.
Cutaneous edema is referred to as “pitting’ after pressure is applied to a small area, the indentation will last for some time after the release of pressure. It can be the result of syImmunotherapyic diseases, organ failure such as kidney function decline or heart failure. Local conditions like varicose veins and thrombophlebitis can also give rise to edema.Can Pulmonary Edema Cause Low Grade Fever in ESRD Shijiazhuang Kidney Disease Hospital
Six factors can contribute to the formation of edema. They are increased hydrostatic pressure, reduced oncotic pressure within blood vessels; increased tissue oncotic pressure; increased blood vessel wall permeability e.g.Pitting Edema in Kidney Failure Caused by Dehydration inflammation; obstruction of fluid clearance via the Lymphatic ; changes in the water retaining properties of the tissue themselves. Raised hydrostatic pressure often reflects retention of water and sodium by the kidney.Facial Edema in Nephrotic Syndrome
Hydrostatic pressure within blood vessels tends to cause water to filter out into the tissue. This leads to a difference in protein concentration between blood plasma and tissue. As a result the oncotic pressure of the higher level of protein in the plasma tends to suck water back into the blood vessels from the tissue. Most water leakage occurs in capillaries or post capillary venules, which have a semi-permeable membrane wall that allows water to pass more freely than protein. For patients with kidney problem, they are commonly faced with protein urine. The oncotic pressure of the lower level of protein in the plasma tends to filter out water into tissue. And the accumulation of body fluid in interstitium gives rise to edema.Bilateral Pedal Edema with Diabetic Nephropathy
In another hand, the increase of blood vessel permeability will lead to protein filtration to tissue and thus gives rise to increase of pressure gradient and lower concentration of protein within plasma, which triggers the filtration of water from blood vessels to interstitium.Shijiazhuang Kidney Disease Hospital

Edema commonly first occurs in losing body parts like eyelids and ankles. And then lower limbs will also occur edema.

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