Skill 13-2 | Administering a Small-Volume Cleansing Enema | ||||||||||||||||||||||||||||||||||||||||||||
Cleansing (evacuant) enemas are given to remove feces from the colon. Some of the reasons for administering a cleansing enema include relieving constipation or fecal impaction, evacuating the bowel before surgery to prevent involuntary escape of fecal material during surgical procedures, and promoting visualization of the intestinal tract by radiographic or endoscopic examination. Cleansing enemas are classified as either large or small volume. This skill addresses administering a small-volume enema. (Large-volume enemas are addressed in Skill 13-1.) Small-volume enemas (adult: 118 to 197 mL) are also known as hypertonic (phosphate and sodium citrate) enemas. These hypertonic solutions work by drawing water into the colon, which stimulates the defecation reflex. They may be contraindicated in patients for whom sodium and/or water retention is a problem (NICE, 2017, as cited in Mitchell, 2019b, p. 154). Phosphate enemas should not be used in older adults (Toughy & Jett, 2018). Hypertonic solution enemas are also contraindicated for patients with renal impairment or reduced renal clearance because such patients have compromised ability to excrete phosphate adequately, with resulting hyperphosphatemia (Dougherty & Lister, 2015, as cited in Mitchell, 2019b, p. 154). Delegation Considerations The administration of some types of enemas may be delegated to assistive personnel (AP) who have received appropriate training. The administration of a small-volume cleansing enema may be delegated to licensed practical/vocational nurses (LPN/LVNs). The decision to delegate must be based on careful analysis of the patient's needs and circumstances as well as the qualifications of the person to whom the task is being delegated. Refer to the Delegation Guidelines in Appendix A. Assessment Ask the patient when they had their last bowel movement. Assess the patient's abdomen, including auscultating for bowel sounds and palpating the abdomen. Because the goal of a cleansing enema is to increase peristalsis, which should increase bowel sounds, assess the abdomen before and after the enema. Inspect the rectal area for any fissures, hemorrhoids, sores, or rectal tears. If any of these are noted, take added care while administering the enema. Check the results of the patient's laboratory work, specifically the platelet count and white blood cell (WBC) count. Rectal agents should be avoided in patients at risk of thrombocytopenia, leukopenia, and/or mucositis, and manipulation of the rectum and anus, including administration of enemas, should be avoided in immunocompromised patients and/or patients at risk for myelosuppression and mucositis (NCI, 2020). Enemas are also contraindicated for patients with bowel obstruction or paralytic ileus (Mitchell, 2019b) and in situations in which administration could cause circulatory overload, mucosal damage, necrosis, perforation or hemorrhage or following any GI or gynecologic surgery in which sutures may be ruptured (Doughery & Lister, 2015, as cited in Mitchell, 2019b, p. 154). Assess for dizziness, lightheadedness, diaphoresis, and clammy skin. The enema may stimulate a vagal response or stimulus, which increases parasympathetic stimulation, causing a decrease in heart rate. Actual or Potential Health Problems and Needs Many actual or potential health problems or issues may require the use of this skill as part of related interventions. An appropriate health problem or issue may include: Outcome Identification and Planning The expected outcomes to achieve when administering a cleansing enema are that the patient expels feces and reports a decrease in pain and discomfort. In addition, the patient remains free of any evidence of trauma to the rectal mucosa. Implementation
Documentation Guidelines Document the amount and type of enema solution used; amount, consistency, and color of stool; pain assessment rating; assessment of the perineal area for any irritation, tears, or bleeding; and patient's reaction to the procedure. Developing Clinical Reasoning and Clinical Judgment Special Considerations General Considerations
Infant and Child Considerations
Older Adult Considerations
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