Kidney Infection - What causes kidney infection?
Kidney infection (pyelonephritis) is a specific type of infection urinary tract infection (UTI) that generally begins in the urethra or bladder and travels up into your kidneys. If not treated properly, kidney infection can damage permanently kidneys or spread to the bloodstream and cause life-threatening infection. Soon you need medical attention.
The kidneys are a component important of the urinary system. These organs process blood, to filter waste and flush out waste as urine, which travels to the bladder through tubes called ureters and is eliminated from the body through the urethra. The kidneys also keep certain chemicals balanced and produce hormones that help maintain pressure blood, red blood cell count, and healthy bones.
Chronic glomerulonephritis is a slowly progressive disease characterized by inflammation of the glomeruli, resulting in sclerosis, scarring and ultimately kidney failure. This disease develops insidiously and without symptoms, often for many years.
The causes of kidney infection
The pain caused by kidney stones occurs when a stone becomes lodged in the ureter, the thin tube connecting the kidney to the bladder. urine flow is blocked, which makes the urine in the kidney. The kidney swells and enlarges, extending the pain-sensitive capsule, or thin covering around it.
Pyelonephritis is an inflammation of one or both kidneys with demonstrations variables. It may be acute, recurrent or chronic. The complications of this disorder are hypertension, chronic infection, renal failure and kidney failure. The course is very variable, but typically the chronic disease that progresses very slowly, with adequate renal function for more than 20 years after onset.
Kidney infection typically occurs when bacteria enter the urinary tract through the urethra and begin to multiply. Bacteria infection elsewhere in your body also can spread through your bloodstream to the kidneys. Kidney infection is unusual in this way, but can occur in some circumstances - for example, when a foreign body such as an artificial joint or heart valve, gets infected. In rare cases, infection results kidney after renal surgery.
Most kidney infections develop as a complication of cystitis (bladder infection). The bacteria that cause cystitis sometimes travel up to infect a kidney. The bacteria are usually those who live in your gut. Sometimes travel from the anus, the urethra into the bladder and cause infection. (Note: Cystitis is common, and most people with cystitis develop a kidney infection.)
Infection throat is the most common cause of glomerulonephritis. Pyelonephritis can be caused by any of the organisms that cause urinary tract infection (E. coli, Klebsiella, etc.)
Conditions such as pregnancy, diabetes, cancer, kidney stones and urinary tract abnormalities can decrease your ability to fight bacteria that cause infections of the kidneys. Foley catheters (tubes inserted through the urethra to drain the bladder) can also lead to infection if are left in place for extended periods. Women sometimes contract kidney infections when bacteria enter the urinary tract after sex.
Some kidney infections develop without a bladder infection. Sometimes this is due to a kidney problem. For example, are more prone to infections kidney, if you have a kidney stone or an abnormality of a kidney.
Bacteria in the urine does not always mean an infection. Some people, especially older adults, may have bacteria in the bladder that cause no signs or symptoms or harm, and therefore requires no treatment. This condition is known as bacteriuria asymptomatic.
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