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Encyclopedia > Urinary retention

Urinary retention also known as ischuria is a lack of ability to urinate. It is a common complication of benign prostatic hypertrophy (also known as benign prostatic hyperplasia or BPH), although anticholinergics may also play a role, and requires a catheter. Various medications (e.g. some antidepressants) and recreational use of amphetamines are notorious for this. Urination, also called micturition, is the process of disposing urine from the urinary bladder through the urethra to the outside of the body. ... BPH redirects here, It can also refer to the Break Permitted Here character in the C1 control code set. ... An anticholinergic agent is a member of a class of pharmaceutical compounds which serve to reduce the effects mediated by acetylcholine in the central nervous system and peripheral nervous system. ... Catheter disassembled In medicine, a catheter is a tube that can be inserted into a body cavity duct or vessel. ... An antidepressant is a medication designed to treat or alleviate the symptoms of clinical depression. ... Amphetamine (alpha-methyl-phenethylamine), also known as speed, is a synthetic stimulant used to suppress the appetite, control weight, and treat disorders including narcolepsy and Attention-deficit hyperactivity disorder. ...


Signs and Symptoms

Urinary retention is characterised by poor urinary stream with intermittance, straining, a sense of incomplete voiding and urgency. As the bladder remains full, it may lead to incontinence, nocturia (need to urinate at night) and high frequency. Urinary incontinence is the involuntary excretion of urine from ones body. ... Nocturia is the need to get up during the night in order to urinate, thus interrupting sleep. ...

In the longer term, obstruction of the urinary tract may cause:

  • Bladder stones
  • Loss of detrusor muscle tone (atonic bladder is an extreme form)
  • Hydronephrosis (congestion of the kidneys)
  • Hypertrophy of detrusor muscle
  • Diverticula in the bladder wall (leads to stones and infection)

Kidney stones, also known as nephrolithiasis, urolithiasis or renal calculi, are solid accretions (crystals) of dissolved minerals in urine found inside the kidneys or ureters. ... Hydronephrosis is distention and dilation of the renal pelvis, usually caused by obstruction of the free flow of urine from the kidney. ...


Benign prostatic hyperplasia (BPH) is the increase in size of the prostate in middle_aged and elderly men. ... Prostate cancer is a disease in which cancer develops in the prostate, a gland in the male reproductive system. ... When normal cells are damaged beyond repair, they are eliminated by apoptosis. ... It has been suggested that Circumcision advocacy be merged into this article or section. ...

Diagnostic tests

Uroflowmetry may aid in establishing the type of micturition abnormality. A post-void residual scan may show the amount of urine retained. Determination of the serum prostate-specific antigen (PSA) may aid in diagnosing or ruling out prostate cancer. Urea and creatinine determinations may be necessary to rule out backflow kidney damage. Prostate specific antigen (PSA) is a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm to swim freely. ... Urea is an organic compound of carbon, nitrogen, oxygen and hydrogen, with the formula CON2H4 or (NH2)2CO. Urea is also known as carbamide, especially in the recommended International Non-proprietary Names (rINN) in use in Europe. ... Creatinine is a breakdown product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body (depending on muscle mass). ...


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  Results from FactBites:
Acute urinary retention - WrongDiagnosis.com (1031 words)
Misdiagnosis of Underlying Causes of Acute urinary retention
Acute urinary retention is the sudden inability to urinate, causing pain and discomfort.
Acute urinary retention: The acute retention of urine in the bladder, not being able to void.
Reference.com/Encyclopedia/Urinary retention (349 words)
Urinary retention also known as ischuria is a lack of ability to urinate.
Urinary retention is characterised by poor urinary stream with intermittance, straining, a sense of incomplete voiding and urgency.
In acute urinary retention, urinary catheterization or suprapubic cystostomy instantly relieves the retention.
  More results at FactBites »



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