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3 Diabetes Insipidus Nursing Care Plans

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By Matt Vera BSN, R.N.

Diabetes insipidus (DI) is a disorder in which there is an abnormal increase in urine output, fluid intake and often thirst. It causes symptoms such as urinary frequency, nocturia (frequent awakening at night to urinate) or enuresis (involuntary urination during sleep or “bedwetting”). Urine output is increased because it is not concentrated normally.

Table of Contents

Consequently, instead of being a yellow color, the urine is pale, colorless or watery in appearance and the measured concentration (osmolality or specific gravity) is low.

Nursing Care Plans

Here are three (3) nursing care plans for diabetes insipidus.

1. Deficient Fluid Volume

May be related to

  • Compromised endocrine regulatory mechanism
  • Neurophypophyseal dysfunction
  • Hypopituitarism
  • Hypophysectomy
  • Nephrogenic DI

Defining Characteristics

  • Polyuria
  • Output exceeds intake
  • Polydipsia (increased thirst)
  • Sudden weight loss
  • Urine specific gravity less than 1.005
  • Urine osmolality less than 300 mOsm/L
  • Hypernatremia
  • Altered mental status
  • Requests for cold or ice water

Desired outcomes

  • Patient experiences normal fluid volume as evidenced by absence of thirst, normal serum sodium level, and stable weight.
Nursing InterventionsRationale
Monitor intake and output. Report urine volume greater than 200 mL for each of 2 consecutive hours or 500 mL in a 2-hour period.With DI, the patient voids large urine volumes independent of the fluid intake. Urine output ranges from 2 to 3 L/day with renal DI to greater than 10 L/day with central DI.
Monitor for increased thirst (polydipsia).If the patient is conscious and the thirst center is intact, thirst can be a reliable indicator of fluid balance. Polyuria and polydipsia strongly suggest DI. Also, the DI patient prefers ice water.
Weigh daily.Weight loss occurs with excessive fluid loss.
Monitor urine specific gravity.This may be 1.005 or less.
Monitor serum and urine osmolality.Urine osmolality will be decreased and serum osmolality will increase.
Monitor urine and serum sodium levels.The patient with DI has decreased urine sodium levels and hypernatremia.
Monitor serum potassium.Hypokalemia may result from the increase in urinary output of potassium.
Monitor for signs of hypovolemic shock (e.g., tachycardia, tachypnea, hypotension).Frequent assessment can detect changes early for rapid intervention. Polyuria causes decreased circulatory blood volume.
Allow the patient to drink water at will.Patients with intact thirst mechanisms may maintain fluid balance by drinking huge quantities of water to compensate for the amount they urinate. Patients prefer cold or ice water.
Provide easily accessible fluid source, keeping adequate fluids at bedside.This encourages fluid intake.
Administer intravenous (IV) fluids:IV fluids are indicated if the patient cannot take in sufficient fluids orally.
  • 5% dextrose in water or 0.45% sodium chloride
Hypotonic IV fluids provide free water and help lower serum sodium levels gradually.
  • 0.9% sodium chloride
Isotonic fluids may be indicated for the patient who has sustained significant fluid loss and is hemodynamically unstable. Once circulatory volume has been restored, hypotonic IV fluids can be given.
Administer medication as prescribed.Aqueous vasopressin is usually used for DI of short duration (e.g., postoperative neurosurgery or head trauma).

 

Pitressin tannate (vasopressin) in oil (the longer-acting vasopressin) is used for longer-term DI.

Patients with milder forms of DI may use chlorpropamide (Diabinese), clofibrate (Atromid), or carbamazepine (Tegretol) to stimulate release of ADH from the posterior pituitary and enhance its action on the renal tubules.

Hydrochlorothiazide (HydroDIURIL) may also be used for nephrogenic DI.

If vasopressin is given, monitor for water intoxication or rebound hyponatremia.Overmedication can result in volume excess.

2. Risk for Impaired Skin Integrity

Risk factors

  • Urinary frequency with high volume output and the potential for incontinence

Desired outcome

  • Patient’s skin remains intact.
Nursing InterventionsRationale
Inspect skin; document condition and changes in status.Early detection and intervention may prevent occurrence or progression of impaired skin integrity. Fluid loss from polyuria contributes to decreased skin turgor and dryness.
Assess for continence or incontinence. Evaluate need for an indwelling urinary catheter.Excessive moisture on the skin increases the risk of skin breakdown.
Assess other factors that may risk the patient’s skin integrity (e.g., immobility, nutritional status, altered mental status).Excessive moisture from urinary incontinence can add to the risk for skin breakdown from other sources.
Provide easy access to the bathroom, urinal, or bedpan.Both polyuria and polydipsia disrupt the patient’s normal activities (including sleep). Easy access to void will decrease inconvenience and frustration.
Use skin barriers as needed.These prevent redness or excoriation from urinary frequency.
Keep bed linen clean, dry, and wrinkle-free.This prevents shearing forces.

3. Deficient Knowledge

May be related to

  • New condition
  • Unfamiliarity with the disease and treatment

Defining characteristics

  • Questioning
  • Requests for more information
  • Verbalization of misconceptions or misinterpretations

Desired outcomes

  • Patient verbalizes correct understanding of DI and the medications used in treatment
Nursing InterventionsRationale
Assess level of knowledge of DI cause and treatment.An individualized teaching plan is based on the patient’s current knowledge and desire for additional information.
Assess readiness to learn.Rapid fluid loss from polyuria can lead to impaired cognitive function. This change in mental status can limit the patient’s ability to learn new information.
Give written information concerning the diagnosis and treatment of DI:
Water deprivation ADH stimulation testThis test may be done to differentiate nephrogenic causes from neurogenic causes of DI. The patient is instructed to take nothing by mouth (NPO) for 12 hours before a blood sample is drawn to measure ADH levels. The ADH level is increased in nephrogenic DI and decreased in neurogenic (central) DI. Vasopressin may be given to evaluate renal response. There is no response to the drug in nephrogenic DI.
Computed tomography scan or magnetic resonance imagingThese scans may be ordered if a pituitary tumor is suspected.
Desmopressin acetate (DDAVP)This is the drug of choice for the management of DI. This medication is a synthetic form of ADH and is administered intranasally.
Aqueous form of ADH (vasopressin)This drug has a shorter half-life than DDAVP and therefore requires more frequent daily administration. Vasopressin is usually given parenterally and is not recommended for the long-term management of chronic DI.
Other drugs used in combination to manage DI, including chlorpropamide (Diabinese), clofibrate (Atromid), carbamazepine (Tegretol), and hydrochlorothiazideThese secondary drugs work on the kidney or the posterior pituitary gland to increase pituitary release of ADH or increase renal response to ADH.
Teach the patient the necessity of closely monitoring fluid balance, including daily weights (same time of day with same amount of clothing), fluid intake and output, and measurement of urine specific gravity.This assists the patient in monitoring the condition so that adjustments can be made accordingly, helping prevent undertreatment or overtreatment with the medication.
Discuss when to seek further medical attention (at signs of underdosage or overdosage of medications).Patients with chronic disease need to be able to recognize important changes in their condition to avert complications and possible hospitalization.
Instruct the patient to wear a medical alert bracelet, listing DI and the medications that the patient is using.This allows for prompt intervention in the event of an emergency.
Matt Vera, a registered nurse since 2009, leverages his experiences as a former student struggling with complex nursing topics to help aspiring nurses as a full-time writer and editor for Nurseslabs, simplifying the learning process, breaking down complicated subjects, and finding innovative ways to assist students in reaching their full potential as future healthcare providers.

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