What to Do If Your Nephrostomy Tube Falls Out

A dislodged nephrostomy tube is a medical situation that requires prompt professional attention, not a home fix. If your tube has come out, cover the site with a clean gauze or bandage, do not attempt to push it back in, and contact your medical team or go to the emergency department right away. The urgency depends on factors like how long the tube has been in place and whether you have one functioning kidney or two, but the default response should always be to seek care quickly. Roughly one in four long-term nephrostomy patients experiences an accidental dislodgement at some point, so while it feels alarming, it is something hospitals handle routinely.

Immediate Steps When the Tube Comes Out

The moment you realize the tube is out or significantly displaced, focus on three things: protect the site, don’t make it worse, and get help. Press a clean piece of gauze or a folded cloth over the exit wound on your flank and secure it with medical tape. If you have a dressing kit at home from your last tube change, use that. The hole where the tube sat, called the tract, can close surprisingly fast, sometimes within hours in a newer tube placement. That closing is a problem because your medical team may need to use the same path to reinsert the tube.

Do not, under any circumstances, try to reinsert the tube yourself. The catheter sits inside your kidney’s drainage system, and blindly pushing anything into a wound tract risks perforating the kidney, introducing infection, or creating a false passage. Even trained physicians reinsert these tubes under imaging guidance, often using fluoroscopy or ultrasound to confirm the catheter tip lands exactly where it needs to be. A paper in the American Journal of Interventional Radiology describes one reinsertion method where clinicians first inject contrast dye to visualize the old tract, then thread a specialized catheter along that path under real-time imaging before exchanging it for a new drainage tube.¹ That level of precision is not something you can replicate at home.

Call the interventional radiology department or urology clinic that placed your tube. Most have on-call services specifically for nephrostomy emergencies. If you cannot reach them, go to the nearest emergency department and tell triage staff you have a dislodged nephrostomy. Nephrostomy tube failure from dislodgement can cause obstructive symptoms, meaning urine that was draining freely through the tube may now back up into the kidney.² The faster you seek help, the easier the reinsertion tends to be.

Why Nephrostomy Tubes Fall Out

Dislodgement is frustratingly common. In a study of over 200 long-term nephrostomy cases, accidental dislodgement occurred in about 26% of patients.³ Several factors drive that rate up or down.

Body habitus plays a significant role. A study of patients who had tubes placed after kidney-stone surgery found that higher body mass index independently predicted dislodgement: for every one-unit increase in BMI, the odds of the tube coming out rose by about 6%. Patients whose tubes dislodged had a mean BMI near 40, compared to roughly 31 for those whose tubes stayed put.⁴ More tissue between the skin and the kidney means a longer tract, more opportunity for the catheter to shift, and greater mechanical forces during movement.

Muscle wasting and thinner tissue can also be a risk, particularly in cancer patients. A study of patients with nephrostomy tubes placed for malignant ureteral obstruction found that thinner kidney tissue and thinner abdominal wall muscles were independent predictors of spontaneous dislodgement.⁵ Patients in poorer overall physical condition also had higher dislodgement rates. So both ends of the spectrum, very high BMI and significant muscle loss, create vulnerability.

Experience matters as well. In the long-term patient study, first-time tube placements carried roughly twice the dislodgement risk compared to subsequent replacements. Among pigtail-type catheters specifically, tubes placed by a resident physician were more than three times as likely to dislodge compared to those placed by an attending.³ That finding suggests both that the learning curve for proper tube positioning is steep and that patients become better at caring for their tubes over time.

Fresh Tracts Versus Mature Tracts

How urgently you need a replacement depends heavily on how long the tube has been in place. This is the single most important variable in determining whether a dislodgement is a minor inconvenience or a genuine emergency.

A fresh tract, meaning one created within the last week or two, has not yet healed into a stable channel. If the tube comes out during this window, the tract can collapse or close within hours. That closure means a brand-new puncture procedure may be needed to re-establish drainage, essentially starting over. If your tube was placed recently and falls out, treat this as an emergency and get to a hospital without delay.

A mature tract, typically one that has had a tube in place for several weeks or longer, develops a lining of tissue that keeps the channel open for a longer period after the tube is removed. You still need a replacement, but the window is wider and the reinsertion is usually simpler because the established path is still accessible. The study of long-term patients found that pigtail nephrostomy tubes dislodged on average around 20 days after placement, while Foley-type tubes lasted about 61 days before dislodging.³ The pigtail design, which curls inside the kidney to anchor itself, tended to come loose earlier than the balloon-tipped Foley design.

Even with a mature tract, do not assume you have days to spare. The tract will begin to narrow once the tube is gone, and the longer you wait, the harder reinsertion becomes. Same-day or next-day replacement is the goal regardless of tract age.

Warning Signs That Mean You Need the Emergency Department Now

Certain symptoms after a tube falls out signal that the situation is becoming dangerous and cannot wait for a scheduled clinic visit. Watch for:

Fever or chills: These suggest urine is backing up and an infection (pyelonephritis or urosepsis) may be developing. Kidney infections can escalate rapidly.
Severe flank pain: This often means the kidney is swelling with urine it can no longer drain. The pain is typically on the same side as the nephrostomy.
Little or no urine output: If you have a tube because your ureter is blocked, losing the tube means urine has no way out. This is especially critical if you have a single functioning kidney or bilateral obstruction.
Blood at the site or in urine: Some oozing from the exit wound is normal, but steady bleeding or large clots warrant immediate evaluation.
Nausea and vomiting: Combined with flank pain, these can indicate kidney distension or early sepsis.

Nephrostomy tube failure from kinking, dislodgement, or migration can present with obstructive signs and symptoms.² If you had your tube placed because of a malignancy blocking the ureter or because of a kidney stone causing obstruction, the consequences of losing drainage tend to be more serious than for patients who had a tube placed temporarily after a surgical procedure where the underlying blockage may have already been resolved.

What Happens When You Get to the Hospital

When you arrive at the emergency department or interventional radiology suite, the team will first assess whether the tract is still open. They may inject a small amount of contrast dye through the skin opening or use ultrasound to check whether the kidney is becoming swollen with backed-up urine. Contrast-enhanced ultrasound has been shown to detect whether a nephrostomy is properly positioned with accuracy comparable to traditional fluoroscopic imaging, identifying displaced tubes and visualizing the kidney’s drainage system reliably.⁶

If the tract is still open, reinsertion through the existing channel is the first approach. The physician will thread a guidewire through the tract into the kidney under imaging guidance, confirm that the wire is in the correct location, and then slide a new catheter over the wire. Specialized techniques exist for tracts that are partially collapsed. One method uses a loop-tipped catheter that can navigate a narrowing tract and re-establish stable guidewire access before a standard drainage catheter is placed.¹

If the tract has closed completely, a new percutaneous nephrostomy must be created. This means a fresh puncture through the skin and into the kidney, guided by ultrasound or CT, which is essentially the same procedure you went through the first time. Percutaneous nephrostomy was first developed in 1955 as a minimally invasive treatment for urinary obstruction and has become a routine procedure with a wide range of clinical uses.⁷ While routine for the interventional radiologist, it does involve another needle puncture through the flank, more sedation, and another recovery period, all of which underscore why getting to the hospital quickly while the old tract is still viable is so worthwhile.

Preventing Dislodgement in the First Place

Most accidental dislodgements happen during everyday activities: rolling over in bed, getting dressed, snagging the tube on a doorknob, or bending over. Awareness of where your tube and drainage bag are at all times is the single most effective prevention strategy, but it is easier said than done, especially during sleep.

Secure the tube properly to your skin. Your care team should show you how to tape or use a commercial securement device to anchor the external portion of the catheter so that any tug on the drainage bag pulls against the tape, not against the tube itself. Researchers have been developing improved catheter securement devices, borrowing technology from industries like boating and electronics to create locking mechanisms that better resist accidental pulling forces.⁸ Until such devices become widely available, the standard approach is adhesive-based fixation combined with a drainage bag secured to the thigh or bed frame to prevent dangling.

Clothing matters. Loose-fitting tops reduce the chance of the tube catching on fabric as you move. Some patients pin the drainage tubing to the inside of their shirt or wear a tube-management belt designed for ostomy or catheter patients. At night, positioning the drainage bag on the same side of the bed as the tube and keeping a slight loop of slack in the tubing between your body and the bag can prevent the weight of collected urine from creating a slow, constant pull.

Keep the exit site clean and dry. Moisture weakens adhesive dressings, and a loose dressing means the tube is no longer anchored. If your dressing comes loose between scheduled changes, replace it promptly. Showering is generally allowed with a waterproof dressing, but prolonged soaking in a bath is usually discouraged both for infection control and for dressing integrity.

Nephrostomy Tubes in Children

Pediatric patients face additional dislodgement challenges. Young children do not understand why they have a tube protruding from their back, may pull at it deliberately, and are less able to manage tubing during play or sleep. Parents carry the full burden of monitoring and securing the device.

A single-center study examined whether an at-home monitoring device combined with a remote nursing protocol could reduce complications in children with nephrostomy tubes. The early warning system group had dramatically lower odds of catheter-associated complications compared to those receiving conventional care. The risk of catheter detachment specifically was substantially reduced, along with lower rates of poor drainage and infection.⁹ While this kind of telemedicine monitoring is not yet standard everywhere, the findings suggest that closer nursing oversight, even remotely, catches problems before a full dislodgement occurs.

If your child’s nephrostomy tube comes out, the same principles apply as for adults: cover the site, do not try to reinsert it, and get to the hospital. Children can develop kidney infections and obstruction-related complications even faster than adults because of their smaller anatomy and faster metabolic rate. The threshold for heading to the emergency department should be lower, not higher, with a pediatric patient.

Living With the Anxiety of Having a Tube

The fear of dislodgement is a constant background stress for many nephrostomy patients, and research confirms that living with the tube takes a measurable psychological toll. A study evaluating quality of life, pain, and anxiety in nephrostomy patients found that quality of life worsened significantly over the period they had the tube. Patients experienced mild to moderate anxiety before tube-change procedures, and women in particular reported worse outcomes across all three measures: quality of life, anxiety, and pain. Pain did improve significantly after the first six weeks, suggesting some adaptation, but the anxiety around tube management and replacement persisted.¹⁰

If you find yourself hypervigilant about the tube, afraid to move, or losing sleep over the possibility of dislodgement, that is a normal reaction. Talking to your care team about it can help. Knowing your specific risk factors, whether your tube is a pigtail or Foley type, how mature your tract is, and what to do if the worst happens, tends to reduce the feeling of helplessness. Some interventional radiology departments offer dedicated nephrostomy nurse specialists who can walk you through scenarios and help you feel prepared rather than panicked.

When a Nephrostomy Might Be Replaced by Something Else

For some patients, the chronic anxiety and practical burden of an external drainage tube lead to conversations with their urologist about alternative options. The main alternative for kidney drainage when a ureter is blocked is an internal stent placed through the bladder, often called a ureteral stent or double-J stent. Both approaches, external nephrostomy and internal stent, are used to decompress the kidney when something like a stone or a tumor prevents normal urine flow.¹¹

Internal stents avoid the dislodgement problem entirely since there is no external tube. However, they come with their own set of drawbacks: bladder irritation, urinary frequency, flank discomfort, and the need for a future procedure to remove them. Not every patient is a candidate for an internal stent, particularly when the obstruction is caused by a large tumor compressing the ureter or when the ureter cannot be accessed from below. Still, if recurring dislodgement is degrading your quality of life, it is worth asking your urologist whether switching to an internal stent is feasible in your case.

Patients with malignant obstruction sometimes face the reality that a nephrostomy tube will be part of their life for the foreseeable future. In that context, scheduled prophylactic tube exchanges, typically every three months, can reduce unplanned emergencies. The study of cancer patients with malignant ureteral obstruction found that those on a scheduled exchange protocol had significantly fewer total replacements than those who experienced spontaneous dislodgements and required urgent procedures.⁵ Proactive tube changes in a controlled setting are smoother and less stressful than emergency replacements after an accidental pull-out.

1
American Journal of Interventional Radiology. Loop-tip technique for replacing dislodged catheters
2
The American Journal of Emergency Medicine. Approach to nephrostomy tubes in the emergency department
3
PubMed. Dislodgement in Long-Term Patients with Nephrostomy Tube: Risk Factors and Comparative Analysis Between Two Catheter Designs
4
PubMed Central. Determinants of Nephrostomy Tube Dislodgment After Percutaneous Nephrolithotomy
5
PubMed Central. Predictive factors for spontaneous dislodgement of percutaneous nephrostomies for malignant ureteral obstruction
6
PubMed. Contrast-enhanced ultrasound (CEUS) nephrostogram: utility and accuracy as an alternative to fluoroscopic imaging of the urinary tract
7
PubMed Central. Percutaneous nephrostomy: technical aspects and indications
8
PubMed Central. Preventing inadvertent drain removal using a novel catheter securement device
9
PubMed Central. An At-Home Monitoring Device and Remote Nursing Protocol to Prevent Nephrostomy Tube Dislodgement in Children: A Single-Center Retrospective Study
10
PubMed Central. Quality of life, pain and anxiety in patients with nephrostomy tubes
11
The New Journal of Urology. Which Surgical Decompression Method to Choose for Acute Upper Urinary Obstruction Due to Stones? A Comparison of JJ Stenting and Percutaneous Nephrostomy