What Happens When Someone Is Taken Off a Ventilator?

Removing someone from a ventilator can mean very different things depending on the situation. For a patient who is recovering, it is a carefully managed step toward breathing independently again, usually preceded by tests to confirm the lungs are ready. For a patient whose illness is no longer survivable, withdrawal of the ventilator is a planned end-of-life act focused on comfort. Both scenarios involve distinct medical procedures, complications, and emotional realities, and the experience differs enormously depending on which one applies.

How Weaning Works for Recovering Patients

When a patient has been on a ventilator and is getting better, the medical team does not simply switch the machine off. “Weaning” is the term for gradually reducing ventilator support, and it often begins with a spontaneous breathing trial, where the patient breathes with little or no machine assistance for a set period while clinicians watch for signs of distress.

1PubMed Central. Ventilator Weaning and Spontaneous Breathing Trials; an Educational Review If the patient tolerates the trial, the breathing tube is removed. If not, they go back to full support and try again later.

Research and clinical protocols around weaning have evolved considerably since the early days of intensive care. Randomized trials have tested protocol-driven weaning against physician-directed approaches, compared different spontaneous breathing trial techniques, and developed strategies for patients whose initial trial fails.

2PubMed Central. To Wean or Not to Wean: A Practical Patient Focused Guide to Ventilator Weaning The upshot is that modern weaning is systematic: clinicians assess readiness daily and move patients off the ventilator as soon as safely possible, because every extra day on the machine raises the risk of complications like pneumonia and muscle wasting.

What the Patient Feels

Being on a ventilator is not a neutral experience. Roughly half of ICU patients later recall some form of discomfort, and the presence of the breathing tube itself is one of the most commonly remembered sources of distress, alongside noise and medical procedures.

3PubMed Central. Discomfort and factual recollection in intensive care unit patients Hallucinations are also reported, particularly in older patients. Many people recall little or nothing from their time on the ventilator, but those who do remember tend to describe the tube as deeply uncomfortable.

During weaning itself, delirium is a common complication. Studies show that patients who develop delirium during weaning tend to present with a quieter, more sedated form rather than the agitated kind people might imagine.

4PubMed Central. Delirium during Weaning from Mechanical Ventilation This can make it harder for clinicians to notice, because the patient looks calm rather than confused. Delirium during weaning may also slow the process, since the patient cannot cooperate well with breathing trials.

What Happens Right After the Tube Comes Out

The moment of extubation itself is brief. A clinician deflates the small balloon that holds the tube in place, and the tube is pulled smoothly from the airway. What follows in the first hours matters a lot. The body has to take over the full work of breathing, which is a bigger physical effort than people realize. Research measuring diaphragm effort found that breathing through a face mask after extubation demanded roughly the same muscular work as a spontaneous breathing trial, both of which are substantially more demanding than breathing with the tube still in and the ventilator providing pressure support.

5American Journal of Respiratory and Critical Care Medicine. Physiological Response to Pressure Support Ventilation Delivered before and after Extubation in Patients Not Capable of Totally Spontaneous Autonomous Breathing

Common immediate effects include a sore throat, hoarseness, and coughing. The larynx, which sits at the top of the airway, takes the brunt of the tube’s presence. Hoarseness after intubation is remarkably common and can affect the majority of patients who have had a breathing tube, though it usually resolves within a few days. In a small fraction of cases, roughly one percent, voice changes become permanent.

6PubMed Central. Vocal cord paralysis after endotracheal intubation: an uncommon complication of general anesthesia Vocal cord paralysis is rarer but does occur, with the left vocal cord affected in about 70% of those cases. The risk rises in people over 50 and in those with diabetes or high blood pressure.

Laryngeal Edema and Airway Swelling

One of the most concerning short-term complications is swelling of the larynx, known as laryngeal edema. The breathing tube irritates and damages the delicate tissue lining the airway, and this damage often reveals itself only after the tube is removed. The swelling can cause a high-pitched, harsh breathing sound called stridor, which typically appears within the first few hours after extubation.

7PubMed Central. Clinical review: post-extubation laryngeal edema and extubation failure in critically ill adult patients In some patients, the edema narrows the airway enough to cause serious breathing difficulty and may require the tube to be put back in.

8PubMed Central. Postextubation laryngeal edema and stridor resulting in respiratory failure in critically ill adult patients: updated review

Clinicians often use a “cuff leak test” before removing the tube to gauge whether significant swelling is present, and some patients receive steroids beforehand to reduce the risk. But airway swelling remains one of the harder complications to predict with certainty.

When Extubation Fails

Extubation failure, generally defined as needing the tube put back within 48 to 72 hours, is not rare, and it carries real consequences. Patients who fail extubation tend to stay in the ICU much longer and face higher risks of complications and death.

9PubMed Central. Extubation failure in intensive care unit: predictors and management Older age, severe illness, and pre-existing heart or lung disease all raise the risk. One study of high-risk patients found that the failure rate climbed steeply with muscle weakness: about 12% in patients with normal strength, rising to 29% in those with severe limb weakness acquired during their ICU stay.

10PubMed Central. Role of ICU-acquired weakness on extubation outcome among patients at high risk of reintubation

Upper airway obstruction accounts for about a fifth of failed extubations.

11PubMed Central. Reintubation following planned extubation: incidence, mortality and risk factors The rest are driven by things like persistent lung disease, weak respiratory muscles, or fluid overload. Reintubation itself is risky: it is often performed under more urgent conditions than the original intubation, and the process of organ failure progressing between extubation and reintubation contributes to worse outcomes.

Bridging Support After Extubation

For patients who are at higher risk of failing, clinicians increasingly use support devices right after the tube comes out rather than sending the patient straight to regular oxygen. High-flow nasal cannula delivers warm, humidified oxygen at high rates through small prongs in the nose. Non-invasive ventilation uses a face mask to provide breathing support without a tube. Both aim to buy the airway and lungs time to adjust.

A large trial found that combining high-flow nasal oxygen with non-invasive ventilation immediately after extubation cut the reintubation rate from about 18% to about 12% in high-risk patients, compared with high-flow oxygen alone.

12JAMA. Effect of Postextubation High-Flow Nasal Oxygen With Noninvasive Ventilation vs High-Flow Nasal Oxygen Alone on Reintubation Among Patients at High Risk of Extubation Failure A meta-analysis of trials in critically ill patients also found that high-flow nasal cannula significantly reduced reintubation compared with standard oxygen therapy.

13PubMed. Effect of High-Flow Nasal Cannula Oxygen Therapy Versus Conventional Oxygen Therapy and Noninvasive Ventilation on Reintubation Rate in Adult Patients After Extubation For patients with chronic lung disease who are at very high risk, non-invasive ventilation with active humidification may be more effective than high-flow nasal cannula alone.

14PubMed Central. High-Flow Nasal Cannula Oxygen Therapy versus Non-Invasive Ventilation in patients at very high risk for extubating failure

Tracheostomy as an Alternative Path

Some patients cannot be weaned through the standard route. When someone has been on a ventilator for weeks and repeated weaning attempts have failed, a tracheostomy may be considered. This is a surgical opening in the front of the neck that allows a shorter, more comfortable breathing tube to bypass the mouth and upper airway entirely.

Tracheostomy tends to improve weaning mechanics. After the procedure, patients in one study showed measurably stronger breathing muscles, larger breath volumes, and lower airway resistance.

15PLoS ONE. Effect of Tracheostomy on Weaning Parameters in Difficult-to-Wean Mechanically Ventilated Patients For patients who needed ventilation for more than two weeks, tracheostomy was associated with substantially higher successful weaning rates and lower hospital mortality compared with staying on the standard oral tube.

16PubMed Central. Is tracheostomy a better choice than translaryngeal intubation for critically ill patients requiring mechanical ventilation for more than 14 days? Performing tracheostomy earlier rather than later in difficult-to-wean patients has also been linked to shorter weaning durations and fewer cases of pneumonia and fatigue.

17PubMed Central. Tracheostomy timing and the duration of weaning in patients with acute respiratory failure

Recovery After Successful Extubation

Getting off the ventilator is a milestone, but it is not the end of the story. A growing body of evidence describes what happens in the weeks and months after ICU discharge. Post-intensive care syndrome is a recognized pattern of physical, cognitive, and mental health problems that persist long after the patient has left the hospital.

18PubMed Central. Chronic critical illness and post-intensive care syndrome: from pathophysiology to clinical challenges Survivors may develop lasting disabilities, struggle with memory and concentration, and experience anxiety, depression, or post-traumatic stress.

19PubMed Central. Post-intensive care syndrome (PICS): recent updates

Muscle weakness acquired during the ICU stay can take months to recover from, and some patients never return to their pre-illness level of function. The longer someone was on the ventilator, the more likely these problems are. Rehabilitation efforts that start early in the ICU and continue after discharge appear to help, but recovery is highly individual.

Terminal Withdrawal of the Ventilator

The other major context for taking someone off a ventilator is end-of-life care. When the medical team and family agree that continued ventilation is only prolonging the dying process without realistic hope of recovery, a decision is made to withdraw life-sustaining treatment. This is fundamentally different from weaning: the goal is not independent breathing but comfort during the dying process.

In practice, the ventilator settings are gradually reduced or the machine is turned off, and the breathing tube may be removed. Clinicians typically administer medications beforehand to manage pain and anxiety, and they titrate those medications to keep the patient comfortable as breathing support is withdrawn. The ethical and legal framework distinguishes this from euthanasia on the basis that the intent is to remove a treatment that is no longer beneficial, not to cause death directly.

20PubMed. Withholding or withdrawing life support versus physician-assisted death: a distinction with a difference?

How Long People Survive After Terminal Withdrawal

This is one of the most common questions families ask, and the honest answer is that it varies widely. Two large studies provide useful numbers. One found the median time to death was about 56 minutes, with the middle 50% of patients dying between roughly 13 minutes and just over two hours after the ventilator was withdrawn.

21PubMed Central. Predictors of time to death after terminal withdrawal of mechanical ventilation in the ICU The other reported a median of about 35 minutes.

2PubMed Central. To Wean or Not to Wean: A Practical Patient Focused Guide to Ventilator Weaning A study focused specifically on neurological ICU patients found a longer median survival of 7.5 hours after extubation, with a quarter dying within the first hour and about 69% within 24 hours.

22PubMed. Withdrawal of life support in the neurological intensive care unit

Factors that predict a shorter time include the number of failing organs, being on medications to support blood pressure, and higher ventilator pressure settings at the time of withdrawal.

21PubMed Central. Predictors of time to death after terminal withdrawal of mechanical ventilation in the ICU In other words, sicker patients tend to die more quickly once the ventilator is removed, which is intuitive but worth stating because families often interpret a longer survival time as a sign that the decision was wrong. It is not. It simply reflects how much residual capacity the body has.

Comfort Care During and After Withdrawal

One of the audible changes that can distress families is the sound sometimes called the “death rattle,” noisy breathing caused by secretions pooling in the throat of a dying patient. Medications like atropine are commonly given to try to dry up these secretions and reduce the noise. However, a randomized trial found that a single dose of sublingual atropine was no more effective than a placebo at reducing the noise at either two or four hours.

23PubMed. Randomized double-blind trial of sublingual atropine vs. placebo for the management of death rattle The noise often resolves on its own with repositioning, and clinicians generally reassure families that it is not a sign the patient is suffering, since the patient is typically unconscious or deeply sedated at this point.

The broader principle of comfort care during terminal withdrawal is that the team adjusts medications in real time. If the patient shows signs of labored breathing or grimacing, the dose of pain and sedation medications is increased. If breathing appears calm, the current level is maintained. The aim is comfort, not hastening or delaying death.

The Emotional Toll on Families

Being present for either type of ventilator removal is an intense experience for families, but terminal withdrawal carries a particularly heavy psychological burden. A study assessing relatives six months after a loved one’s death in the ICU found that more than half had symptoms of complicated grief, and about 44% showed signs of post-traumatic stress.

24European Respiratory Journal. Complicated grief after death of a relative in the intensive care unit Depression at three months was strongly associated with complicated grief at six months, suggesting that early distress tends to compound over time rather than fade naturally.

Communication makes a measurable difference. A trial testing a simple written information pamphlet given to relatives during the end-of-life decision process found that 90 days later, the group who received the pamphlet had significantly fewer PTSD-related symptoms than the group who did not. The risk of developing PTSD symptoms was nearly twice as high without the pamphlet.

25PubMed. Information Pamphlet Given to Relatives During the End-of-Life Decision in the ICU This underscores something that critical care teams have increasingly recognized: the family is not just a bystander. How they are included in decisions and how clearly they understand what is happening affects their mental health for months afterward.

Who Makes the Decision

The question of who should decide to withdraw the ventilator does not have a single global answer. In many Western ICUs, shared decision-making is the standard: the physician raises the question, and the decision is made jointly among the patient (if competent), the family, and the medical team. A survey of families, physicians, and nurses found that large majorities in all three groups favored the physician bringing up the topic, and most preferred sharing the decision rather than having any single party make it alone. Only about 5% of physicians felt they should decide unilaterally.

26PubMed Central. Respiratory support withdrawal in intensive care units: families, physicians and nurses views on two hypothetical clinical scenarios

But practices vary enormously around the world. A systematic review found substantial differences in withdrawal of life-sustaining treatment across countries, and even between ICUs within the same country or between individual providers within the same ICU.

27PubMed. Global variability in withholding and withdrawal of life-sustaining treatment in the intensive care unit: a systematic review In parts of Asia, economic, cultural, religious, and legal factors all influence how often and how transparently these decisions are made.

28JAMA Internal Medicine. Withholding and Withdrawal of Life-Sustaining Treatments in Intensive Care Units in Asia Some faith communities view withdrawal of treatment as giving up, which can create conflict between families and clinical teams who see continued ventilation as futile.

29PubMed Central. Intensive care clinicians’ experiences of palliative withdrawal of mechanical ventilation: a qualitative study

ICU-Acquired Weakness and Why It Matters for Extubation

One underappreciated factor in ventilator removal is how weak the patient has become during their ICU stay. Prolonged bed rest, sedation, and the inflammatory response to critical illness all erode muscle mass quickly. This muscle loss does not just affect whether someone can walk out of the hospital; it directly determines whether they can breathe on their own. The diaphragm is a muscle, and it weakens along with everything else.

Research has shown a dose-response relationship: the weaker a patient’s limbs are at the time of extubation, the more likely they are to fail and need reintubation.

10PubMed Central. Role of ICU-acquired weakness on extubation outcome among patients at high risk of reintubation Cough strength, which is critical for clearing secretions from the airway, is also linked to overall muscle strength. This is one reason why early mobilization programs in ICUs, where patients are helped to sit up, stand, or even walk while still on the ventilator, have gained traction. Getting muscles working before extubation improves the chances that breathing will succeed afterward.