gastrostomy tube - Nursing Case Study

Pathophysiology

• Primary mechanism: The gastrostomy tube bypasses the oral cavity and esophagus, delivering nutrition directly into the stomach, crucial for patients unable to ingest food orally due to neurological or structural impairments.

• Secondary mechanism: It facilitates long-term nutritional support by maintaining gastrointestinal integrity and function, allowing for continued digestion and absorption of nutrients, which is essential in preventing malnutrition and associated complications.

• Key complication: Potential for infection at the insertion site due to breaches in skin integrity, requiring diligent care and monitoring to prevent local or systemic infections.

Patient Profile

Demographics:

45-year-old female, school teacher

History:

• Key past medical history: Crohn's disease, gastroesophageal reflux disease (GERD)

• Current medications: Omeprazole 20 mg daily, Infliximab 5 mg/kg every 8 weeks, Vitamin D supplement

• Allergies: Penicillin

Current Presentation:

• Chief complaint: Pain and redness around gastrostomy tube site

• Key symptoms: Fever, increased drainage from the tube site, nausea

• Vital signs: Temperature 38.5°C (101.3°F), heart rate 98 bpm, blood pressure 135/85 mmHg, respiratory rate 20 breaths per minute

Section 1

Change in Patient Status:

Upon further assessment, the patient's condition has evolved, presenting new clinical challenges. The redness and pain around the gastrostomy tube site have intensified, with noticeable swelling and tenderness. The increased drainage now appears purulent, suggesting a local infection. This is accompanied by a mild abdominal distension, raising concerns about potential complications such as cellulitis or an abscess formation. The patient's fever persists despite antipyretic measures, and her heart rate has escalated to 104 bpm, indicating a possible systemic inflammatory response.

In response to these developments, the healthcare team decides to conduct a comprehensive evaluation. Blood cultures are taken to identify any systemic infection, while a complete blood count reveals leukocytosis with a white blood cell count of 14,000/mm³, further supporting the suspicion of an infectious process. A CT scan of the abdomen is ordered to assess for deeper complications such as an intra-abdominal abscess or peritonitis. Meanwhile, careful monitoring of her vital signs and fluid balance is initiated to detect any signs of sepsis or dehydration secondary to possible fluid losses.

This change in the patient's status necessitates a multidisciplinary approach, involving infectious disease consultation for targeted antibiotic therapy and possible surgical intervention if an abscess is confirmed. It also underscores the need for continued vigilance in managing the gastrostomy tube site and ensuring effective communication between healthcare providers to optimize patient outcomes. As the team awaits further diagnostic results, the patient's response to initial interventions, including empiric antibiotics and supportive care, will significantly influence the subsequent management plan and her recovery trajectory.

Section 2

New Diagnostic Results:

The CT scan of the abdomen reveals a small abscess near the gastrostomy tube site, confirming a localized infection that may be contributing to the patient's systemic symptoms. In addition, there is evidence of mild peritoneal irritation, though no signs of widespread peritonitis are noted. These findings align with the clinical picture of localized infection progressing towards a more serious complication. Blood cultures return positive for Staphylococcus aureus, indicating that the infection has a specific bacterial source that requires targeted antibiotic therapy. The infectious disease team recommends initiating intravenous vancomycin, given its efficacy against Staphylococcus aureus, while awaiting susceptibility results for further antibiotic optimization.

Despite the initiation of empiric antibiotic therapy, the patient continues to exhibit signs of systemic inflammation, including persistent fever and tachycardia. Her vital signs show a temperature of 101.5°F, heart rate climbing to 108 bpm, and blood pressure slightly decreased at 100/60 mmHg. The healthcare team decides to enhance supportive care measures by increasing intravenous fluid administration to address potential dehydration and maintain hemodynamic stability. The patient's fluid balance is carefully monitored, with a focus on preventing further declines in blood pressure that could indicate worsening sepsis.

These diagnostic results and clinical observations prompt the healthcare team to escalate their management plan, emphasizing the importance of ongoing surveillance for potential complications. The decision to involve the surgical team for a potential drainage procedure is considered, depending on the patient's response to antibiotics and supportive care over the next 24 to 48 hours. This approach underscores the need for dynamic clinical reasoning, as the team must remain adaptable to evolving circumstances and ready to adjust treatment strategies based on the patient's progress and any new data that emerges.

Section 3

Response to Interventions:

Over the next 24 hours, the healthcare team closely monitors the patient's response to the antibiotic therapy and supportive interventions. Initially, there is a modest improvement in the patient's systemic symptoms. Her fever begins to subside, with a recorded temperature decrease to 100.8°F, and her heart rate stabilizes at around 100 bpm. However, the improvement is short-lived as the patient's condition begins to fluctuate. Her blood pressure becomes increasingly labile, with readings varying between 95/55 mmHg and 105/65 mmHg, suggesting a persistent underlying issue. Laboratory tests reveal a slight improvement in the white blood cell count, now at 16,000/mm³, but the patient's procalcitonin level remains elevated, indicating ongoing systemic inflammation.

Despite the initial positive trend, the patient begins to exhibit new symptoms that raise concerns about her overall status. She reports increasing pain and tenderness around the gastrostomy tube site, accompanied by erythema and warmth extending beyond the original borders. These findings suggest a potential expansion of the localized infection or inadequate response to the current treatment regimen. The healthcare team notes a slight increase in abdominal distension and the presence of hypoactive bowel sounds, raising the suspicion of emerging bowel dysmotility or early ileus, potentially related to the inflammatory process.

Given these developments, the clinical team re-evaluates the current management plan. They consider the need for further imaging studies, such as an abdominal ultrasound, to assess for any progression of the abscess or new fluid collections. Additionally, they prepare to consult with the surgical team to discuss the feasibility of a drainage procedure, should the patient's condition not improve with medical management alone. This evolving scenario emphasizes the importance of dynamic clinical reasoning and the need for a multidisciplinary approach to adapt the treatment strategy based on the patient's response and any new diagnostic information that arises.

Section 4

New Diagnostic Results:

As the clinical team continues to assess the patient's fluctuating condition, they proceed with an abdominal ultrasound to gain further insight into the potential complications surrounding the gastrostomy tube site. The ultrasound reveals a localized fluid collection adjacent to the gastrostomy tube, consistent with a developing abscess. This finding correlates with the patient's increasing pain and the expanding area of erythema and warmth observed around the tube site. Additionally, the ultrasound indicates thickening of the bowel wall, suggestive of an inflammatory process, which could be contributing to the patient's abdominal distension and hypoactive bowel sounds.

In response to these diagnostic results, the healthcare team engages in a focused discussion with the surgical team to explore potential interventions. The decision is made to proceed with a percutaneous drainage procedure to address the abscess, aiming to alleviate the localized infection and reduce systemic inflammation. Given the patient's ongoing systemic symptoms and the elevated procalcitonin levels, the team also considers adjusting the antibiotic regimen to ensure broader coverage and more effective treatment of the infection.

This new development in the patient's case underscores the necessity for careful monitoring and timely intervention. The interdisciplinary collaboration is crucial in adapting the treatment plan to prevent further complications. As the team prepares for the drainage procedure, they remain vigilant for any changes in the patient's condition, ready to modify the approach based on her response to these targeted interventions. The next steps will heavily depend on how the patient responds to the drainage procedure and the revised antibiotic strategy, setting the stage for ongoing evaluation and adjustment of her care plan.

Section 5

Response to Interventions:

Following the percutaneous drainage procedure, the healthcare team closely monitors the patient's response, noting a gradual improvement in her localized symptoms. The erythema and warmth around the gastrostomy tube site begin to subside, and the patient reports a slight decrease in pain levels. However, the team remains cautious, aware that systemic symptoms need to be carefully evaluated to ensure comprehensive recovery. Over the next 24 hours, vital signs reveal a mild reduction in fever, with the patient's temperature decreasing from 38.5°C to 37.8°C. Her heart rate, previously elevated at 110 beats per minute, lowers to 95 beats per minute, indicating a positive trend in response to the drainage and the adjusted antibiotic regimen.

Despite these improvements, the patient's laboratory results present mixed outcomes. While the white blood cell count shows a slight decline from 15,000/mm³ to 13,500/mm³, suggesting a potential reduction in systemic inflammation, the patient's C-reactive protein (CRP) levels remain elevated, indicating ongoing inflammatory activity. The team decides to maintain the current antibiotic strategy but schedules a follow-up ultrasound to assess the efficacy of the drainage procedure and check for any residual fluid collections.

As the clinical team continues to evaluate the patient's progress, they emphasize the importance of ongoing assessment and timely intervention. The patient's nutritional status becomes a focal point, given the challenges posed by the gastrostomy tube complications. A consultation with a nutritionist is arranged to ensure the patient receives adequate caloric intake while minimizing gastrointestinal stress. The care team remains vigilant, ready to adapt the treatment plan as necessary, with a keen eye on preventing further complications and promoting the patient's recovery trajectory.