Can a Foley catheter be removed in a patient with end‑stage renal disease on dialysis who has severe scrotal edema?

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Last updated: March 27, 2026 • View editorial policy

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Can the Foley Catheter Be Removed?

Yes, the Foley catheter should be removed if it is no longer essential for patient care, as prolonged catheterization increases infection risk and morbidity—however, in this specific case with severe scrotal edema in an ESRD dialysis patient, you must first determine the underlying cause of the edema before removal.

Clinical Decision Algorithm

Step 1: Determine if the Catheter is Still Indicated

The catheter should be removed unless there is a specific ongoing indication 1, 2. Appropriate indications for continued catheterization include:

  • Acute urinary retention with postvoid residual >500 mL (asymptomatic) or >300 mL (symptomatic with bladder pain, persistent urge, or new incontinence) 2
  • Hourly urine output monitoring in ICU patients requiring frequent therapy adjustments (volume resuscitation, diuresis, vasopressors) 2
  • Palliative/comfort care when aligned with patient goals to reduce frequent bed changes or manage uncontrolled pain 2

Critical Point: The mere presence of ESRD or dialysis dependence is NOT an indication for continued catheterization 2.

Step 2: Evaluate the Scrotal Edema Etiology

Before removing the catheter, you must differentiate between:

A. Dialysate-Related Causes (Peritoneal Dialysis)

If the patient is on peritoneal dialysis (not hemodialysis), scrotal edema may result from:

  • Occult inguinal hernia with dialysate leak into the scrotum 3, 4, 5
  • Peritoneal catheter malposition causing positional dialysate retention 3
  • Generalized volume overload from inadequate ultrafiltration or excessive salt/water intake 3

Diagnostic approach: Order CT scan with intraperitoneal contrast to identify leak sites 5. This is superior to plain radiography and prevents unnecessary surgery.

B. Volume Overload (Hemodialysis or PD)

In hemodialysis patients or those with inadequate dialysis:

  • Generalized fluid retention manifesting as scrotal, penile, and leg edema 3
  • Inadequate ultrafiltration during dialysis sessions

Management: Optimize dialysis adequacy, restrict sodium intake, and consider adjusting dialysis prescription 3.

C. Catheter-Related Local Factors

  • Catheter-associated infection with local inflammation
  • Urethral trauma from prolonged catheterization
  • Dependent edema from immobility

Step 3: Remove the Catheter if Not Indicated

If the catheter has no ongoing indication, remove it promptly 1, 2. The guideline is unequivocal: "Promptly remove any intravascular catheter that is no longer essential" 1. This principle applies equally to urinary catheters 2.

Post-removal monitoring 6:

  • Assess for urinary retention using bladder scanner
  • Monitor first void (should occur within 6-8 hours)
  • Check postvoid residual volume
  • Watch for signs of retention: suprapubic discomfort, inability to void, frequent small voids

Step 4: Alternative Bladder Management

If intermittent bladder drainage is needed after catheter removal:

  • Intermittent catheterization is preferred over indwelling catheter 2
  • Use bladder scanner to guide need for catheterization 2
  • Implement nurse-directed protocol for postoperative urinary retention management 2

Common Pitfalls to Avoid

  1. Do not assume the catheter is needed just because the patient has ESRD—this is not an indication 2

  2. Do not remove the catheter without evaluating scrotal edema etiology—if this is dialysate leak from occult hernia, surgical repair is needed first 4, 5

  3. Do not use plain radiography alone to evaluate dialysate leaks—CT with intraperitoneal contrast is the gold standard 5

  4. Do not leave the catheter in place indefinitely due to infection concerns—catheter-related infections are a leading cause of morbidity in dialysis patients 7

Specific Recommendations for This Case

For a hemodialysis patient: Remove the catheter if no specific indication exists. The scrotal edema is likely volume-related and should improve with optimized dialysis and sodium restriction 3.

For a peritoneal dialysis patient: Obtain CT scan with intraperitoneal contrast before catheter removal to rule out dialysate leak 5. If leak is confirmed, surgical repair is required before continuing PD 4, 5.

Regardless of dialysis modality: Evaluate for catheter-related infection before removal. If exit site infection or catheter-related bacteremia is present, follow appropriate antibiotic protocols 7.

The priority is reducing infection risk and improving quality of life by removing unnecessary catheters while ensuring proper evaluation of the scrotal edema to prevent complications 1, 2.

References

3
Research

Scrotal edema secondary to fluid imbalance in patients on continuous peritoneal dialysis.

Advances in peritoneal dialysis. Conference on Peritoneal Dialysis, 2009

6
Research

Care of patients undergoing removal of an indwelling urinary catheter.

Nursing standard (Royal College of Nursing (Great Britain) : 1987), 2020

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This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.