Urinary Tract Infection : Definition, Classification, Etiology, Signsand Symptoms

Urinary Tract Infection : Definition, Classification, Etiology, Signs and Symptoms

Definition
Urinary Tract Infection (UTI) is a state of the invasion of microorganisms in the urinary tract. (Agus Tessy, 2001)
Urinary Tract Infection (UTI) is a bacterial infection of the state of the urinary tract. (Enggram, Barbara, 1998)

Classification
Classification of urinary tract infections as follows:

1. Bladder (cystitis)


2. Urethra (urethritis)


3. Prostate (prostatitis)


4. Kidneys (pyelonephritis)

Urinary Tract Infection (UTI) in the elderly, can be divided into :
1 . Uncomplicated (simple)
Simple UTI that occurs in patients with urinary tract is not good, normal anatomic and functional. This UTI in elderly patients, especially regarding women and the infection just about superficial bladder mucosa.

2 . Complicated
Often cause a lot of problems because they are often difficult to eradicate germs, germs are often resistant to multiple kinds of antibiotics, frequent bacteremia, sepsis and shock. The UTI occurs when the circumstances are as follows :

• Abnormal urinary tract abnormalities, such as stone, reflex vesico urethral obstruction, bladder atony, paraplegia, permanent bladder catheter and prostatitis.


• Abnormalities of renal physiology : renal failure acute and chronic renal failure.


• Immune disorders


• Infections caused by virulent organisms such as prosteus spp, which produce urease.

Etiology
1. The types of microorganisms that cause UTI, among others:

• Pseudomonas, Proteus, Klebsiella: the cause of complicated UTI.


• Escherichia Coli : 90% cause of uncomplicated UTI (simple).


• Enterobacter, epidemidis staphylococci, enterococci, and-others.

2. The prevalence of UTI in the elderly, among others:

• Residual urine in the bladder is increased due to the bladder emptying less effective.


• Decreased mobility.


• Nutrition is often poor.


• Decreased immune system, either cellular or humoral.


• Barriers to the flow of urine.


• Loss of bactericidal effect of prostate secretions.

Signs and Symptoms
1. Signs and symptoms of lower UTI are:

• Frequent pain and a burning sensation when urinating.


• Spasame the bladder and suprapubic area.


• Hematuria.


• Back pain can occur.

2. Signs and symptoms of upper UTI are:

• Fever.


• Chills.


• Pelvic pain and waist.


• Pain when urinating.


• Malaise.


• Dizziness.


• Nausea and vomiting.

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