PD Troubleshooting and Patient Training
Key Takeaways
- Poor drain volumes with good inflow suggest catheter malposition, fibrin occlusion, or kinking—not prescription inadequacy alone.
- Hernias in PD patients may present as bulging at surgical scars, the umbilicus, or the inguinal area due to increased intra-abdominal pressure from dialysate volume.
- Refractory peritonitis, severe catheter-related infection, and catheter malfunction are indications for temporary transfer from PD to hemodialysis.
- Residual renal function declines with nephrotoxic medications, hypotension, dehydration, peritonitis, and progression of underlying kidney disease; PD may preserve function longer than thrice-weekly HD.
- Encapsulating peritoneal sclerosis (EPS) is a rare long-term complication with peritoneal fibrosis and bowel encasement causing obstruction; patient training must emphasize early reporting of infection and technique breaks.
PD Troubleshooting and Patient Training
Quick Answer: PD home therapy succeeds when nurses train patients to perform safe exchanges, recognize infection and mechanical complications early, and troubleshoot drain problems, leaks, and volume overload. Common CDN scenarios include poor drain volumes, constipation, hernias, refractory infection requiring HD transfer, and long-term risks such as encapsulating peritoneal sclerosis (EPS). Comprehensive return demonstration is the standard for competency validation.
Mechanical Troubleshooting: Drain, Fill, and Leak
Poor drain volumes despite good inflow strongly suggest catheter malposition, fibrin occlusion, or kinking—not prescription inadequacy alone. The nurse verifies the patient is not constipated (stool burden shifts catheter tip), checks for tubing kinks, and reviews recent exchange technique. Persistent failure requires nephrology evaluation; imaging or catheter repositioning may be needed. In the first month post-placement, fibrin clot or omentum wrap remains the leading mechanical cause.
Leak at the exit site or incision during break-in usually requires holding exchanges, reducing fill volume, and surgical assessment if persistent. Patients should sleep with head elevated and avoid straining during healing.
Blood-tinged effluent immediately post-placement can be expected briefly; recurrent hemoperitoneum or feculent effluent demands urgent evaluation for bowel injury or invasive infection.
| Symptom Pattern | Likely Cause | First Nursing Action |
|---|---|---|
| Good inflow, poor outflow | Malposition, fibrin, constipation | Laxative if constipated; notify team |
| Pain with inflow | Acidic solution, rapid fill, peritonitis | Slow fill; assess effluent clarity |
| Exit wetness without pus | Leak or poor immobilization | Hold dwells per protocol; secure catheter |
| Bulge with cough/strain | Hernia at scar, umbilicus, groin | Refer for surgical evaluation |
Volume-Related and Structural Complications
PD increases intra-abdominal pressure, predisposing patients to hernias—presenting as bulging at surgical scars, the umbilicus, or the inguinal area during cough or exchange. Uncorrected hernias are a relative contraindication to continuing full fill volumes until repaired.
Encapsulating peritoneal sclerosis (EPS) is a rare but severe long-term complication: peritoneal fibrosis with bowel encasement causing obstruction, malnutrition, and pain. Early recognition and avoiding repeated severe peritonitis episodes are preventive themes nurses reinforce in annual retraining.
When to Transfer from PD to Hemodialysis
Temporary or permanent transfer to hemodialysis is indicated when PD cannot safely continue. CDN-tested indications include:
- Refractory peritonitis (no improvement after 5 days of appropriate antibiotics)
- Severe catheter-related infection (tunnel infection not responding to therapy)
- Catheter malfunction that cannot be corrected
- Ultrafiltration failure with refractory fluid overload
- Fungal peritonitis (catheter removal typically mandatory)
Nurses coordinate vascular access planning, educate about modality change psychosocial impact, and ensure medication reconciliation (especially IP antibiotics discontinued appropriately).
Preserving Residual Renal Function
Residual renal function contributes meaningfully to clearance and fluid removal early in PD. Loss accelerates with nephrotoxic medications, hypotension, dehydration, peritonitis, and progression of underlying kidney disease. Nursing strategies include avoiding NSAIDs when possible, maintaining blood pressure targets, treating infections promptly, and encouraging adequate hydration within fluid restrictions. PD may preserve residual function longer than thrice-weekly hemodialysis—a point tested when comparing modalities.
Patient Training: Competency Elements
NNCC expects nurses to verify competency through return demonstration and structured checklists. Core training modules:
- Hand hygiene, mask, drape, flush-before-fill
- Drain-before-fill sequence and volume documentation
- Exit-site care with chlorhexidine or povidone-iodine
- Recognition of cloudy effluent, fever, abdominal pain
- Weight and blood pressure self-monitoring
- Supply inventory and storage (temperature, expiration dates)
- Cycler operation and alarm response (APD patients)
- Emergency contacts and when to save effluent for culture
Training typically requires multiple sessions over one to two weeks before independent home therapy, with a care partner trained when the patient has limited dexterity or vision.
Worked Scenario: Re-Training After Peritonitis
After CONS peritonitis, a patient completes antibiotics with clearing effluent. Before resuming independent exchanges, the nurse observes a full return demonstration focusing on mask use, flush-before-fill, and cap hygiene. Documented competency reduces recurrence risk more than verbal reassurance alone.
Ongoing Support and Annual Reassessment
Home PD patients need scheduled clinic visits for adequacy testing, PET when prescribed, exit-site scoring, and prescription review. Telehealth check-ins supplement but do not replace effluent review and physical assessment. Nurses coach patients to bring drain volume logs and report travel plans (dialysate delivery coordination).
Psychosocial and Safety Considerations
Isolation, burnout from daily exchanges, and fear of peritonitis affect adherence. Nurses screen for depression, connect patients with peer mentors, and validate modality switches without stigma. Home safety includes pet restrictions during exchanges, clean workspace lighting, and backup power plans for APD cyclers when medically necessary. Care partners should demonstrate the same aseptic steps when they perform exchanges, because caregiver technique errors cause peritonitis as often as patient slips during independent sessions.
CDN Exam Traps
- Poor drainage with good inflow: Mechanical obstruction (fibrin, malposition, constipation)—not "increase dextrose" as first fix.
- Hernia sign: Bulging at weak points with increased abdominal pressure—not generalized edema alone.
- HD transfer: Refractory peritonitis and fungal peritonitis are classic triggers.
- EPS: Severe fibrosis encasing bowel—long-term PD complication, not acute infection.
- Training standard: Return demonstration validates technique; verbal acknowledgment is insufficient.
A PD patient has poor drain volumes despite good inflow and no obvious tubing kink. What is the most likely cause?
Which finding suggests a hernia in a patient on peritoneal dialysis?
What is the appropriate management for refractory PD peritonitis unresponsive to five days of appropriate antibiotics?