Posterior pituitary hormones: Vasopressin

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Presentation transcript:

Introduction to Clinical Pharmacology Chapter 43- Pituitary and Adrenocortical Hormones

Posterior pituitary hormones: Vasopressin Regulates reabsorption of water by the kidneys Secreted by pituitary when body fluids must be conserved *Used in treating diabetes insipidus **Adverse reactions: Tremor, sweating, vertigo, nasal congestion, nausea, abdominal cramping, water intoxication

Nursing Process: Assessment Preadministration assessment: Take blood pressure, pulse and respiratory rate; Auscultate the abdomen; Record the findings Ongoing assessment: Observe patient q 10-15 minutes for signs of an excessive dosage (blanching of skin, abdominal cramps, nausea) after administration of the drug Reassure the patient that recovery will occur in few minutes STRICT I&O****

Nursing Process: Planning Expected outcomes: Optimal response to therapy Support of patient needs related to management of adverse reactions Understanding of the therapeutic regimen

Nursing Process: Implementation Promoting an optimal response to therapy: Administer two injections of 10 units each when the drug is administered before abdominal roentgenography Instruct patient to hold bottle upright with the head in vertical position when administering the drug

Nursing Process: Implementation Monitoring and managing patient needs: **Deficient fluid volume: Measure fluid intake and output accurately Observe for signs of dehydration Refill water container frequently** Pain: Explain method of treating problem and necessity of monitoring drug effectiveness Auscultate abdomen and measure abdominal girth as ordered

Nursing Process: Implementation Educating the patient and family: Explain the importance of measuring fluid intake and output *Advise on wearing medical identification naming the disease and the drug regimen *carry sport drink bottle for liquids *monitor amount of fluids taken daily *carry extra doses of the drug

Nursing Process: Evaluation Therapeutic effect is achieved Anxiety is reduced Signs of significant fluid volume loss are absent Patient verbalizes an understanding of the treatment modalities and the importance of continued follow-up care

Gonadotropins: FSH and LH Induces ovulation and pregnancy in anovulatory women Adverse reactions: Vasomotor flushes, breast tenderness, abdominal discomfort, ovarian enlargement, hemoperitoneum Generalized reactions: Nausea, vomiting, headache, restlessness, fatigue, Edema Contraindications** adrenal dysfunction

Nursing Process: Assessment Preadministration assessment: Take and record patient’s vital signs and weight before therapy begins Ongoing assessment: Question patient regarding the occurrence of adverse reactions and record the patient’s vital signs and weight

Nursing Process: Planning Expected outcomes: Optimal response to drug therapy Support of patient needs related to the management of adverse reactions Reduction in anxiety Understanding of the therapeutic regimen

Nursing Process: Implementation Promoting an optimal response to therapy: Observe symptoms of ovarian stimulation Discontinue therapy and notify primary care provider if symptoms occur Monitoring and managing patient needs: **Pain: Rotate injection sites and examine previous sites for redness and irritation Anxiety: Allow the patient time to talk about their problems or concerns about proposed treatment program

Nursing Process: Implementation Educating the patient and family Hormonal ovarian stimulants: Explain the possible adverse and generalized reactions before beginning therapy Nonhormonal ovarian stimulants: Explain the necessity of contacting the primary health care provider immediately if any adverse symptoms occur

Nursing Process: Evaluation Therapeutic effect is achieved Adverse reactions are identified, reported, and successfully managed Anxiety is reduced Patient demonstrates knowledge of treatment and dosage regimen

Growth Hormone Secreted by the anterior pituitary Regulates growth of individual Used before closure of the child's bone epiphyses Adverse reactions: Hypothyrodism, insulin resistance, swelling, joint pain, muscle pain Used cautiously in patients: With thyroid disease and diabetes; During pregnancy

Nursing Process: Assessment **Preadministration assessment: Record patient’s vital signs, height, weight before therapy starts Ongoing assessment: **Measure and record child’s height, weight to evaluate the response to therapy **Child may increase growth from 3.5-4 cm/ year before tx to 8-10cm/year during the first year of tx

Nursing Process: Nursing Diagnoses Key nursing diagnosis for patients receiving growth hormone therapy: Body image disturbance Related to changes in appearance, physical size, or failure to grow

Nursing Process: Planning Expected outcomes: Optimal response to drug therapy Support of patient needs related to the management of adverse reactions Reduction in anxiety Understanding of the therapeutic regimen

Nursing Process: Implementation Promoting an optimal response to therapy: Do not administer solution if it is cloudy **Periodic testing of growth hormone levels, glucose tolerance, and thyroid functioning done at intervals during treatment

Nursing Process: Evaluation Therapeutic effect is achieved; Child grows in height Adverse reactions are identified, reported, and managed successfully Anxiety is reduced Parents verbalize understanding of the treatment program Child maintains a positive body image

Adrenocorticotropic Hormone (ACTH): Corticotropin Stimulates the adrenal cortex to produce and secrete adrenocortical hormones, primarily glucocorticoids

Glucocorticoids Influence or regulate functions such as the imune response; glucose, fat and protein metabolism Used for managing: Acute exacerbations of multiple sclerosis hypercalcemia associated with cancer *RA *bronchial asthma *ulcerative colitis

Glucocorticoids Adverse reactions: Cushing’s like sx Fluid and electrolyte disturbances Display 43-2 Contraindicated in patients: serious infections TB and fungal antibiotic resistant infections

Mineralocorticoids Aldosterone and desoxycorticosterone Conserve sodium and increase potassium excretion Control salt/water balance Fludrocortisone is used fro replacement therapy for primary and secondary adrenocortical deficiency

Mineralcorticoids Adverse reactions Edema HTN Hypokalemia Contraindications, precautions and interactions systemic fungal infections sensitivity to fludrocortisone

Nursing Process: Assessment Preadministration assessment: Obtain patient’s weight Assess area of involvement Ongoing assessment: Monitor patient’s weight and fluid intake and output daily during therapy Monitor blood glucose levels for a rise in blood glucose concentration *take and record v/s every 4-8 hours

Nursing Process: Planning Expected outcomes: Optimal response to therapy Patient needs related to the management of adverse reactions are addressed Understanding of the therapeutic regimen

Nursing Process: Implementation Promoting an optimal response to therapy: *Alternate-day therapy: Used in treating diseases and disorders requiring long-term therapy *Give twice the daily dose of the glucocorticoid every other day before 9 am Diabetic patient: Monitor blood glucose levels several times daily or as prescribed by the primary health care provider Adrenal insufficiency: Critical deficiency of mineralocorticoids and glucocorticoids

Nursing Process: Implementation Monitoring and managing patient needs: Risk for infection: Report slight rise in temperature, sore throat, other signs of infection Acute pain: Report any patient complaints of epigastric burning or pain, bloody or coffee-ground emesis, passing of tarry stools Excess fluid volume: Check for visible edema, keep accurate fluid intake and output record, obtain daily weight

Nursing Process: Implementation Monitoring and managing patient needs (cont’d): Body image disturbance: Hirsutism Acne Cushingoid appearance Disturbed thought process: Document and report any mental changes Evaluate mental status, memory, impaired thinking

Nursing Process: Evaluation Therapeutic effect is achieved Adverse reactions are identified, reported, and managed appropriately Patient verbalizes an understanding of the dosage regimen Patient verbalizes importance of complying with the prescribed therapeutic regimen and importance of continued follow-up care