CNA 573 : Profile Clinical Case Scenario Peritoneal Dialysis

The Case

Nguyen is a 52-year-old gentleman who resides in a rural town in NSW. He has a history of IgA nephropathy which resulted in end stage kidney disease when he was 50 years old. He spent three years on Haemodialysis at your dialysis unit, travelling 200km from home each time, and then decided he needed to spend more time with his wife and extended family.
He had a peritoneal dialysis catheter inserted and has been on automated peritoneal dialysis (APD) at home for three years. Complication wise he has only had two episodes of peritonitis, but he does enjoy socialising, and this can lead to fluid overload. This means he uses 2.5% dialysate most of the time. His most recent prescription is 10 hours on APD, 6 cycles with a dry day (no dwell).
Charlie calls in for a remote PD check-up, supported by his wife. His weight is 6kg above his last recommended ideal body weight. His blood pressure is 190/95mmHg, pulse 75bpm and regular. He reports being short of breath on exertion. His blood results show potassium 5.9mmol/l, urea 28mmol/l, creatinine 750mmol/l. His exit site is red and inflamed and he is reporting some abdominal tenderness.
Following a review within your clinic it is decided he needs to be admitted.

Directions

Please answer the following questions using academic format with sentence and paragraph structure as per UTAS guidelines. No introduction or conclusion is required. All your answers need to be supported by relevant contemporary literature with in-text citations. A single reference list is to be provided at the end of all your answers. Please place your name and student identification number in the footer of your document.

1. What further information/tests do the multidisciplinary team (MDT) need to determine his diagnosis and why? (350 words)
2. Describe and analyse the anticipated results and discuss the relevant plan of care for the short term and long-term care, including his APD prescription? (350 words)
3. Charlie is desperate to return home. What education does he require to achieve this outcome safely? Who would you involve from the MDT team and why? (200 words)
Student Name UTAS ID Number

Assessment brief, mentor approach, and outcome — Nguyen (APD) case study

1. Brief summary of the assessment requirements

You must produce a short, tightly-referenced clinical assignment that answers three prompts based on the Nguyen case. Requirements (key points):

• Format & style: Academic format per UTAS guidelines (sentences/paragraphs); no introduction/conclusion required; include in-text citations throughout; provide a single reference list at the end; place your name and UTAS ID in the footer.

• Word limits: Q1 = 350 words, Q2 = 350 words, Q3 = 200 words (adhere strictly).

• Evidence base: Support answers with contemporary literature and appropriate clinical guidance; use in-text citations for all claims.

• Focus areas: critical interpretation of the case, MDT diagnostic reasoning, short- and long-term care planning (including APD prescription considerations), and patient education/MULTIDISCIPLINARY coordination to enable safe return home.

Key pointers to cover (question-by-question)

Q1 Further information/tests & rationale (350 words)

• Extract clinical problems: suspected peritonitis (red, tender exit site; abdominal tenderness; prior peritonitis episodes), fluid overload (↑weight, dyspnoea, BP 190/95), hyperkalaemia (K 5.9 mmol/L), deranged renal markers (urea/creatinine).

• Tests to request and why: peritoneal effluent analysis (cell count, Gram stain, culture) to confirm peritonitis; blood tests (electrolytes, ABG/venous gas, full blood count, CRP), blood cultures if systemic signs; ECG to assess hyperkalaemia effects; chest X-ray for pulmonary oedema; PD effluent volume records/UF data to assess ultrafiltration failure; exit-site swab/culture.

• Explain how each investigation distinguishes diagnoses and informs immediate management (e.g., effluent turbid + neutrophilia → start empiric intraperitoneal antibiotics; ECG changes → urgent hyperkalaemia protocol).

Q2 Anticipated results & short/long-term plan incl. APD prescription (350 words)

• Anticipated lab/imaging pattern: raised inflammatory markers, turbid dialysate with high neutrophils, elevated K/urea/creatinine, possible CXR pulmonary congestion.

• Short-term care: admit for monitoring, manage hyperkalaemia per protocol (ECG-guided), initiate empiric intraperitoneal antibiotics pending cultures, consider temporary transition to haemodialysis if refractory hyperkalaemia or severe fluid overload, strict fluid balance and daily weights, analgesia and catheter/exit-site management.

• APD prescription considerations (longer term): review ultrafiltration adequacy and dwell times, consider increasing osmotic gradient (careful use of higher dextrose concentrations or icodextrin for daytime dwell) only after infection controlled; reassess cycler settings, PD adequacy (Kt/V), and residual urine. Plan catheter care/exit-site infection prevention; consider modality switch if recurrent peritonitis or PD failure.

Q3 Education & MDT involvement to support safe return home (200 words)

• Patient education topics: exit-site hygiene and infection prevention, symptom recognition (fever, cloudy effluent), fluid/salt and potassium dietary guidance, medication adherence, APD technique reinforcement, action plan for contacting PD team.

• MDT members to involve & why: nephrologist (medical oversight/prescriptions), PD nurse (training, technique review, exit-site care), infectious diseases or microbiology (antibiotic guidance), dietitian (fluid/k+ management), pharmacist (drug reconciliation, hyperkalaemia meds), social worker/community nursing (home supports, transport, psychosocial needs) — all to ensure safety, adherence and early escalation if problems recur.

How the academic mentor 

1. Clarify brief & constraints — mentor reviewed UTAS formatting, strict word counts, and the requirement for evidence-based answers.

2. Case deconstruction — student was coached to create a problem list (peritonitis vs exit-site infection, fluid overload, hyperkalaemia, PD function).

3. Select targeted investigations — mentor modelled matching each clinical question to the minimum, high-value tests (effluent analysis, ECG, CXR, bloods, cultures).

4. Interpretation framework — mentor taught a short algorithm: sign/symptom → likely mechanism → expected test result → immediate action.

5. Care planning & APD logic — mentor demonstrated how to draft a concise short-term (stabilise, treat infection, manage K+) and long-term plan (optimize APD prescription, consider icodextrin/adjusted dwell, evaluate modality suitability).

6. Education & MDT mapping — mentor mapped which disciplines are essential and what each must deliver for discharge safety.

7. Draft refinement — mentor enforced tight word economy, accurate citations, and UTAS academic tone; final checklist included footer, references, and adherence to word limits.

Final outcome what was achieved and learning objectives covered

Outcome achieved: a set of concise, evidence-based answers that (a) prioritise high-yield diagnostics and explain their rationale; (b) present a pragmatic short-term stabilization plan and a reasoned long-term APD strategy; and (c) define targeted patient education and an MDT discharge plan enabling safe home return.

Learning objectives covered:

• Clinical reasoning and differential diagnosis in dialysis patients;

• Integration of pathophysiology (peritonitis, ultrafiltration failure, hyperkalaemia, fluid overload) with investigation selection;

• Practical application of pharmacological and non-pharmacological management strategies;

• Person-centred discharge planning and multidisciplinary coordination;

• Academic skills: concise synthesis, evidence citation, adherence to institutional formatting and word limits.

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