Altered Urinary Elimination – Flashcards

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Urinary retention
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Inability to void even with sufficient urine present in bladder
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Urinary suppression or anuria
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Complete failure of kidneys to produce urine (less than 100mL / 24hours)
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Oliguria
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diminished amount of urine formation (25-30 mL / hour)
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Enuresis
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involuntary urination by a child past age when voluntary bladder control is expected
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Nocturia
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awakening prematurely from sleep in order to empty the bladder
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Urgency
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feeling of full bladder with urgent need to empty
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Frequency
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need to empty bladder often, even though it may not be full
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Nocturnal enuresis
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night time bedwetting
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Hesitancy
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difficulty beginning urinary stream
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Dysuria
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painful or burning urination; "difficulty" voiding
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Polyuria
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increased urinary output (2000 mL / 24 hours) seen in diabetics
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Diurinal enuresis
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daytime involuntary urination (incontinence)
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Residual urine
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amount of urine left in bladder immediately after the patient has voided
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Micturition
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urination, voiding
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Characteristics of normal urine: Amount
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average 24 hour output = 1500-2000 average hourly output = 30-60 mL / hr panic value = 30 mL / hr x's 2 hours
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Characteristics of normal urine: quality of stream
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should begin within 15 sec. of void attempt and not start/stop during voiding stream is about the diameter of a pencil
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Characteristics of normal urine: urine lab values
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pH = 4.6 - 8.0 specific gravity = 1.010 - 1.025 based on hydration status
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Characteristics of normal urine: color
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normal = straw colored, pale to amber, transparent
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Abnormal urine color: red or orange
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may be from meds
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Abnormal urine color: Hematuria Dark red or smoky
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bleeding in the upper urinary tract (kidney/ureters)
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Abnormal urine color: Hematuria bright red with clots
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bleeding in the lower urinary tract (bladder, urethra)
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Abnormal urine color: dark amber (yellow)
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possible presence of urobilinogen (decomposed bilirubin): liver and gallbladder disease possible dehydration
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Abnormal urine color: pyuria
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pus in urine milky yellow infection
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Abnormal urine color: cloudy/hazy
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due to presence of bacteria, inflammation, presence of sperm or prostatic fluid
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Common lab studies frequently associated with urinary elimination: urinalysis
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general examination of urine to establish baseline information or provide data to establish a tentative diagnosis and determine whether further studies are needed
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Common lab studies frequently associated with urinary elimination: creatinine clearance
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creatinine = waste product of protein breakdown clearance of creatinine by kidney approximates the GFR collect 24 hour specimen
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Common lab studies frequently associated with urinary elimination: composite urine collection
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measures specific components, such as electrolytes, glucose, protein, creatinine, and minerals collected of a period ranging from 2 to 24 hours
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Common lab studies frequently associated with urinary elimination: urine culture "clean catch" "midstream"
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confirms suspected urinary tract infection and identifies causative organisms
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Common lab studies frequently associated with urinary elimination: concentration test
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evaluates renal concentration ability measured by specific gravity readings
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Common lab studies frequently associated with urinary elimination: residual urine
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determines the amount of urine left in bladder after urinating finding may be abnormal in problems with bladder innervation, sphincter impairment, BPH, or urethral strictures
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Common lab studies frequently associated with urinary elimination: protein determination
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test detects protein (primarily albumin) in the blood
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Common lab studies frequently associated with urinary elimination: blood urea nitrogen (BUN)
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used to detect renal problems concentration of urea in blood is regulated by rate at which kidney excretes urea
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Common lab studies frequently associated with urinary elimination: sodium
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main extracellular electrolyte determining blood volume usually values stay within normal range until late stages of renal failure 135-145 mEq/L
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Common lab studies frequently associated with urinary elimination: potassium
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kidneys are responsible for excreting majority of body's potassium In kidney disease, potassium determinations are critical because potassium is one of the first electrolytes to become abnormal elevated potassium levels > 6mEq/L can lead to muscle weakness and cardiac dysrhythmias normal: 3.5-5.0 mEq/L
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Common lab studies frequently associated with urinary elimination: calcium
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main mineral in bone and aids in muscle contraction, neurotransmission, and clotting in kidney disease, decreased reabsorption of calcium leads to renal osteodystrophy 8.6 - 10.2 mEq/L
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Assessment of the urinary tract:
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note voiding patterns measure intake and output palpate and percuss bladder bladder scan (US)
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Urinary incontinence
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inability to voluntarily control urine flow as bladder pressure exceeds urethral resistance
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Stress incontinence
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involuntary loss of urine that occurs when the bladder cannot handle increased amounts of abdominal pressure, due to weakness or urethra and surrounding muscles small amounts of urine typically leak during exercise, coughing, sneezing, laughing most common type seen
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Urge Incontinence
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Loss of urine with an abrupt and a strong desire to urinate commonly due to a sudden involuntary, uncontrolled contraction of the detrusor muscle a symptom of overactive bladder instead of relaxing during urination, this muscle becomes very hypertonic
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Mixed incontinence
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combination of stress and urge most often seen in elderly women
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Overflow incontinence
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bladder becomes overfilled because sensation to void is not felt by client detrusor muscle is weak and underactive and/or the urethra is obstructed bladder cannot be completely emptied: spills over behaviors: constant dribbling, urgency, frequent urination often due to neurological deficits, medication side effects, bladder neck obstruction from an enlarged prostate or injury, fecal impaction
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Functional incontinence
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leakage of urine R/T physical, environmental, or psychologic cause client can't physically get to the bathroom R/T immobility or restraint client is depressed/ has dementia need help getting to the bathroom
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Total incontinence
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result of neurologic disease with dysfunction of nerves controlling bladder may include urge or overflow
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Reflex incontinence
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related to neurologic abnormalities, which cause the detrusor muscle to contract abnormally spinal injuries
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Causes (etiology) or urinary incontinence:
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UI occurs when bladder pressure exceeds urethral closure pressure Bladder fails to contract at the appropriate time or contracts inappropriately (detrusor muscle instability) Urethra may open or close inappropriately (urethral sphincter weakness) Abnormalities outside the bladder and urethra Pelvic floor ligament weakness
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DRIP:
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D: delirium, dehydration, depression R: restricted mobility, rectal impaction I: infection, inflammation, impaction P: polyuria, polypharmacy
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medical and nursing interventions for the client with urinary incontinence. Can prescribe medications
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Stress: in incontinence, the bladder pressure is greater than urethral resistance give meds to increase resistance of urethra and increase urethral pressure: makes bladder pressure less than urethra Urge: in incontinence, the bladder contracts involuntarily Give meds to control hypertonic bladder and increase bladder capacity These meds reduce bladder contractions Reflex/overflow Give meds to enhance bladder contractions and/or decrease urethral resistance
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medical and nursing interventions for the client with urinary incontinence. Change the patient's diet
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Weight reduction for obese clients to reduce abdominal pressure Avoid caffeine, alcohol, sugar substitutes These are bladder stimulants Avoid constipating foods
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medical and nursing interventions for the client with urinary incontinence. Introduce exercise therapy
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These are the first line of treatment for Stress Incontinence; also used to treat urge and mixed incontinence Pelvic muscle exercises (PME) Kegel exercises Strengthen the pelvic floor
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medical and nursing interventions for the client with urinary incontinence. Scheduled voiding regimens
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Timed voiding Habit retraining Prompted voiding Bladder retraining
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medical and nursing interventions for the client with urinary incontinence. Anti-incontinent devices
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For women: Intra-vaginal devices (pessary, balloons) Applies pressure on the urethra For men: urethral clamps or plugs
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medical and nursing interventions for the client with urinary incontinence. Containment devices
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Incontinence pads and briefs Urinary catheterization
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medical and nursing interventions for the client with urinary incontinence. Surgical management
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Suggested for certain types of stress incontinence Bulking agents: collagen or silicone bead injections are inserted around the urethra Implantation of an artificial urinary sphincter Bladder neck suspension procedures These procedures will pull the neck up and/or restore normal urethro-vesico angle Stabilizes the bladder neck
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how to protect the skin of an incontinent patient
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Provide hygiene immediately after incontinence Use absorptive pads (CHUX) to wick away moisture and provide a quick drying surface to the skin Use gel diapers More absorptive than disposable cellulose or cloth diapers Allow pt to lie on top of pad and let uncovered areas of skin dry Reposition pt to allow other skin surfaces to dry Check these patients regularly since they are at an increased risk for skin breakdown and pressure ulcers
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complications of altered bladder elimination
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Can cause UTIs , skin breakdown, social isolation R/T embarrassment, body image disturbance
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bladder training
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Bladder retraining: attempt to increase volume that the bladder can hold each time To start, encourage the pt to void every 30 minutes to 1 hour, then gradually increase bladder capacity by extra 30 min-1 hour The goal is 2-3 hours
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pathophysiology of cystitis
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and inflammation of urinary bladder. It's patho-phys is on a CELLULAR level with an organism. It's a disturbance in the integrity of the urothelial cells of the bladder and/or urethra, which allows the organism to invade. These cells produce mucin which protects the bladder cells from the effects of urine sitting there all the time. The bacteria attaches to bladder cells and cells commit suicide and slough off. SOME bacteria worse and send out small projections called "TYPE 1 PILI" that are tipped with a protein that allows them to lock into receptors on bladder lining -- they borough in and stay there. This is why many think REPEATED infections.
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pathophysiology of pyelonephritis
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The inflammation & bacterial infection of renal pelvis. When the bladder does not empty fully due to REFLUX of URINE and/or UNTREATED CYSTITIS, so organisms invade renal pelvis.
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Signs and symptoms of cystitis (bladder infection) and urethritis (urethra infection)
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May be asymptomatic. Urgency to void * Burning with urination, dysuria * Slight to gross hematuria. Frequency= often, small amt's. * Pain (Cystitis) - tender suprapubic area or low back pain. Urethritis - reddened urethra, burning, pruritus. Bladder distention. Hazy ---> cloudy urine (maybe). Foul-smelling urine (maybe). Elderly clients with UTI are at a greater risk for UROSEPSIS, a generalized infection caused by GRAM NEGATIVE BACTEREMIA.
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Signs and symptoms of pyelonephritis:
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Inflammation - Scar tissue formation with healing and decreased renal tubule reabsorption & secretion and impaired renal function Fever, chills - often spike high fever-- 102 - 103o Malaise & fatigue Nausea/vomiting, maybe Flank &/or abd. pain - assess CVA (costal-vertebral angle ) Pain on urination (dysuria); hematuria. Usually have cystitis (symptomatic or asymptomatic) May have underlying G/U obstruction.
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Acute pyelo.
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----> renal impairment
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Chronic pyelo.
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----> renal failure.
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Nursing diagnoses for patients with UTI
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a.) Impaired urinary elimination b.) Deficient Knowledge R/T methods of prevention and treatment protocols
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What is the purpose and function of urothelial cells?
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produce mucin mucin is a mucopolysaccharide which normally protects the bladder cells from the affects of urine sitting there all the time
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Why are the elderly at higher risk for UTI?
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increased relaxation of pelvic structures: don't empty bladder fully decreased thirst: drink less water decreased immune system chronic diseases: stroke, diabetes
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Interventions Medications
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antiseptics: bacteriostatic: raise urine acidity so bacteria can't grow antibiotics: bacteriocidal anti-infectives: may cause crystalluria and kidney stones
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Interventions Fluids and diet
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increase fluids to 2-3L per day cranberry juice
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Interventions pain relief
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urinary analgesics: pyridium: anesthetizes urinary mucosa antispasmodics: anticholinergics: decrease bladder spasms and promotes complete bladder emptying
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Prostate gland
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a gland surrounding the neck of the bladder in males, releasing prostatic fluid
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Seminal vesicle
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a pair of glands that open into the vas deferens near its junctions with the urethra and secretes many of the Components of semen
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Erectile tissue
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numerous vascular spaces that may become engorged with blood
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Epididymis
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a highly convulated duct behind the testis along which the sperm passes through the vas deferens
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Testis
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an organ that produces spermatozoa
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pathophysiology of BPH
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Prostate gland enlarges by abnormally increasing the number of cells (hyperplasia) & glandular tissue. As the gland enlarges, it presses on the urethra & bladder & obstructs the flow of urine. Can lead to urinary retention, reflux, bladder trabeculation, hypertrophy, & hyperirritability, reflux to ureter & renal pelvis, with hydronephrosis. In time, bladder wall can become non-compliant & hypotonic...---> resulting in post-residual voids & increasing chance of infection.
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signs & symptoms indicative of BPH
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Urinary urgency & frequency - from hyper-irritable bladder. Nocturia Hesitancy in starting urination Decrease in size & force of urine stream Terminal dribbling Sensation of incomplete bladder emptying S/S of UTI secondary to stasis of urine.
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pre-operative teaching related to the patient with a transurethral resection of the prostate (TURP)
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Urinary drainage must be restored prior to surgery → coude (curved tip) catheter may be inserted with lidocaine gel (acts as lubricant and local anesthesia); maintain sterile field Antibiotics are administered before invasive surgery Encouraging a high fluid intake (2-3L/day) helpful in managing infection Educate patient that surgery may affect sexual function → retrograde ejaculation (ejaculate goes up into bladder) which decrease orgasmic sensation but is not harmful because it is eliminated during next urination
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post-operative teaching related to the patient with a transurethral resection of the prostate (TURP)
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Bladder irrigation Blood clots are expected after surgery, but if there are large amounts of bright red blood in urine, it can indicate hemorrhage which can occur from displacement of the catheter, dislodgement or a large clot or increases in abdominal pressure Bladder spasms occur as a result of irritation of the bladder mucosa from the insertion of the resectoscope, presence of a catheter, or clots leading to obstruction of the catheter Catheter removal is often 2-4 days after surgery and patient should urinate within 6 hours after removal. If he cannot, reinsert a catheter for a day or two Sphincter tone may be poor immediately after catheter removal, resulting in urinary incontinence or dribbling Strengthen via Kegel exercises 10-20 x/hour Encourage patient to practice starting and stopping the stream several times during urination If continence is not improved after 12 months, refer patient to continence clinic You can instruct patient to use penile clamp, condom catheter or incontinence pads to avoid embarrassment from dribbling Observe patient for signs of post-operative infection A diet high in fiber facilitates passage of stool (prevent patient from straining while having BM → straining increases intraabdominal pressure which can lead to bleeding at post-op site)
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Explain the rationale for bladder irrigation following a TURP
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Bladder irrigation is typically done to remove clotted blood from the bladder and ensure drainage of urine
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continuous & intermittent bladder irrigation
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Intermittent or continuous urinary catheter irrigations maintain catheter patency by keeping the bladder clear and free of blood clots or sediment
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assessments & nursing interventions specific to continuous bladder irrigation (CBI)
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Rate of infusion is based on color of drainage Ideally should be light pink without clots Continuously monitor the inflow and outflow of irrigant If outflow is less than inflow, assess the catheter patency for kinks or clots If outflow is blocked and patency cannot be reestablished by manual irrigation, stop the CBI and notify the physician
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To calculate proper I & O with bladder irrigation:
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for the output, subtract the amount of irrigant
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Discharge instructions to provide after TURP:
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no lifting, driving, strenuous activities for 2-3 weeks no straining with BM encourage fluids to 12-14 glasses a day avoid bladder irritants
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complications of TURPS:
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dribbling and incontinence are normal initially bleeding decreased urinary stream UTI
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