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Urinary System Disorders

Learn about common diseases affecting the kidneys, bladder, and urethra, their symptoms, diagnostic tests, and treatments. Explore UTIs, kidney stones, and more.

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Urinary System Disorders

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  1. Chapter 13Urinary System Diseases and Disorders

  2. Anatomy and Physiology • Kidneys, ureters, bladder, and urethra • Kidneys are responsible for removing waste products from the bloodstream

  3. Anatomy and Physiology • Ureters are tubules that run from kidney to bladder transporting urine • Bladder is a muscular organ that holds urine • Urethra carries urine to outside of body

  4. Anatomy and Physiology • Urine is normally • Clear • Slightly yellow to gold • Free from sediments • Distinct odor but not foul smelling

  5. Anatomy and Physiology • Urine is normally • Specific Gravity is 1.005 to 1.030 • pH is 6 • Changes in these values indicate disease

  6. Common Signs and Symptoms • Urinary Disease • Hematuria • Pyuria • Proteinuria • Dysuria

  7. Common Signs and Symptoms • Urinary Disease • Nocturia • Oliguria • Anuria • Frequency/urgency

  8. Diagnostic Tests • Urinalysis • Urine culture and sensitivity • Blood tests including BUN and creatinine clearance • IVP • KUB

  9. Diagnostic Tests • Cystogram • Cystoscopy • Bladder and kidney biopsy • Catheterization

  10. Common Diseases of the Urinary Tract • Urinary Tract Infections (UTIs) • Broad diagnosis covering infections of urinary tract including the urethra, bladder, and kidneys • Caused by virus and fungi but most often are bacterial • Most common bacteria is escherichia coli (E.coli)

  11. Common Diseases of the Urinary Tract • Affects females more frequently than males • Female urethra is shorter • Female urethral opening is closer to rectum • Improper female toilet habits

  12. Common Diseases of the Urinary Tract • Affects females more frequently than males • Vaginal secretions may harbor bacteria • Sexual intercourse may cause trauma to urethra and bladder leading to inflammation and infection

  13. Common Diseases of the Urinary Tract • Affects females more frequently than males • Pregnant females are more susceptible to infection due to pressure of uterus on urinary tract • Male prostatic secretions have antibacterial effect, reducing risk of UTI

  14. Common Diseases of the Urinary Tract • Diagnosis by urinalysis and culture of urine specimen • Treatment is usually antibiotics

  15. Common Diseases of the Urinary Tract • Urethritis • Inflammation of the urethra • More common in men • Commonly occurs with cystitis • Symptoms include swelling of the urethra, dysuria, and urethral discharge

  16. Common Diseases of the Urinary Tract • Cystitis - Inflammation of the bladder • Commonly called “bladder infection” • Occurring in females as they become sexually active is “honeymoon cystitis”

  17. Common Diseases of the Urinary Tract • Treatment is antibiotics • Antispasmodic medications such as Pyridium may decrease bladder spasms • May cause urine to turn reddish orange

  18. Common Diseases of the Urinary Tract • Pyelitis - Inflammation of pelvis of the kidney • Result of ascending infection from bladder • Rapid diagnosis and treatment is imperative to prevent spread of infection

  19. Common Diseases of the Urinary Tract • Pyelonephritis • May be due to an ascending or hematogenous infection and may affect one or both kidneys • Symptoms include sudden onset of fever and chills with flank pain and hematuria • Treated effectively with antibiotics

  20. Common Diseases of the Kidney • Glomerulonephritis (Acute) • Inflammation of glomerulus or filtering unit of kidney • Most common disease of kidney • Occurs 1 to 4 weeks after strep infection

  21. Common Diseases of the Kidney • Glomerulonephritis (Acute) • Symptoms • Flank pain • Fever • Loss of appetite

  22. Common Diseases of the Kidney • Glomerulonephritis (Acute) • Symptoms • Malaise • Eyes and ankles are edematous • Oliguria • Hematuria

  23. Common Diseases of the Kidney • Glomerulonephritis (Acute) • Treatment • Antipyretic • Diuretic • Salt restriction • Protein restrictions • Fluid restrictions

  24. Common Diseases of the Kidney • Glomerulonephritis (chronic) • Repeated bouts lead to chronic condition • Symptoms include those of acute glomerulonephritis and hypertension • Uremia may occur during late stages • Treatment includes peritoneal or hemodialysis

  25. Common Diseases of the Kidney • Hydronephrosis • Urine in renal pelvis due to obstruction causing dilation and distention of kidney pelvis • Diagnosis is confirmed by pyelogram • Treatment includes draining of kidney pelvis by surgery or relief of obstruction

  26. Common Diseases of the Kidney • Renal Calculi • Called “kidney stones” • Form in pelvis of kidney • Symptoms are hematuria and renal or urinary colic and extreme spasmodic flank pain

  27. Common Diseases of the Kidney • Renal Calculi • Diagnosis confirmed by IVP, KUB, renal ultrasound • Treatment is pain medication, increasing fluid intake, strain urine, surgery

  28. Common Diseases of the Kidney • Polycystic Disease • Inherited disease causing enlargement of kidneys due to grape-like cysts • Symptoms • Lumbar pain • Hematuria • Recurrent UTIs

  29. Common Diseases of the Kidney • Polycystic Disease • Treatment • Management of hypertension and UTIs • Dialysis and kidney transplant • Slow progressive disease and not curable

  30. Common Diseases of the Kidney • Renal Failure • Failure of kidneys to cleanse blood of waste products • BUN and creatinine measure kidney function • Can be acute or chronic

  31. Common Diseases of the Kidney • Renal Failure • Symptoms are not significant until 75 percent of kidney function is destroyed

  32. Common Diseases of the Kidney • Renal Failure • Treatment • Management of cause of failure • Limiting sodium and protein • I & O

  33. Common Diseases of the Kidney • Renal Failure • Treatment • Antihypertensives • Diuretics and antibiotics • Dialysis and transplant are long-term treatment

  34. Common Diseases of the Kidney • Adenocarcinoma of the Kidney • Cigarette smoking is a risk factor • Frequently metastasizes to liver, brain, and bone before symptoms appear

  35. Common Diseases of the Kidney • Adenocarcinoma of the Kidney • Symptoms include painless hematuria, flank pain, and fever • Diagnosis: KUB, IVP, CT, and biopsy • Treatment is nephrectomy, chemotherapy and radiation

  36. Diseases of the Bladder • Urinary Incontinence - loss of urine flow control • Types of incontinence • Stress • Urge • Overflow

  37. Diseases of the Bladder • Treatment of Incontinence • Empty bladder • Kegel’s exercises to strengthen pelvic muscles • Collagen injections near external sphincter to narrow the urethra • Marshall-Marchetti-Krantz procedure

  38. Diseases of the Bladder • Transitional Cell Carcinoma of Bladder • Most common neoplasm of urinary tract arising from lining of bladder • Diagnosis: cystoscopy and biopsy • Treatment depends on stage of tumor, TUR, cystecomy

  39. Trauma • Straddle Injuries • Neurogenic bladder

  40. Rare Diseases • Goodpasture’s Syndrome • Interstitial Cystitis - nonbacterial cystitis due to inflammation of inner lining of bladder

  41. Effects of Aging on the System • Urinary incontinence • Prostatic hypertrophy (older males): dribbling, frequency, pain or burning, and difficulty starting urine flow

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