From Iron Lungs to Modern Ventilators - A Look at the History of Barlow Respiratory Hospital (2024)

Clinical healthcare terminology and words likeventilator, respirator, N95, PPE seem to be at the tip of the tongue of … just about everyone these days. At Barlow Respiratory Hospital the terminology and the commitment to care they represent is nothing new.

We were founded in Los Angeles in 1902 as a tuberculosis sanatorium at a time when there were limited medical interventions available. Beyond our history of providing care for patients with respiratory illness, for decades, we have specialized in serving patients on mechanical ventilators. We developed the Therapist-Implemented Patient-Specific “TIPS©” Weaning Protocol, published in the medical journal CHEST in 2001, now considered a best practice and utilized in weaning patients from mechanical ventilation nationwide.

Barlow Respiratory Hospital is a long-term acute care hospital (LTCH / LTACH) in Los Angeles that provides post-ICU care and ventilator weaning for patients who are chronically critically ill and medically complex. We are the only not-for-profit respiratory hospital in California.

While we do not yet know what our role will be in this current COVID-19 crisis, we continue to monitor the situation and remain at the ready with years of experience on the front lines as historic diseases – tuberculosis, influenza and polio – have been tamed. Tuberculosis patients were once treated with lung-collapse procedures at Barlow Respiratory hospital before early cures were developed in the last century. Polio patients were treated at Barlow using an iron lung through the 1950s. Methods of care were transformed when mechanical ventilation evolved as standard practice for the treatment of patients with acute respiratory failure in the first ICUs in the 1960s. Patients now come to Barlow Respiratory Hospital after an extended stay in the ICU and many are on mechanical ventilators.

The Iron Lung

From Iron Lungs to Modern Ventilators - A Look at the History of Barlow Respiratory Hospital (1)Polio, or Poliomyelitis, was a crippling communicable disease caused by a virus. There was no cure. Beginning in 1916, polio epidemics appeared each summer in at least one part of the country, with the most serious occurring in the 1940s and 1950s. In 1952, the worst epidemic year, three thousand people died from polio.

The iron lung, a negative pressure ventilator, was invented in 1927 to enable patients with polio to breathe on their own. Most patients spent a few weeks or months in the iron lung to reverse the paralysis of chest muscles associated with polio.

At the height of the polio outbreaks, rows of iron lungs filled hospital wards to help patients with paralyzed lungs breathe. An iron lung like this one (left: Man using an Emerson tank respirator equipped with a mirror, 1950s. Courtesy of Post-Polio Health International) was used to treat patients with polio at Barlow Respiratory Hospital.

Polio vaccination programs have now virtually eradicated new cases of the disease in the United States. Widespread vaccinations began in 1955 and by 1979 the virus had been completely eliminated in the United States. Because of this, and the development of modern ventilators, and the widespread use of tracheal intubation and tracheotomy, the iron lung has mostly disappeared from modern medicine. Barlow Respiratory Hospital keeps one iron lung on display as a reminder of those days.

Now, modern mechanical ventilators, positive pressure ventilation systems, are the standard of care and work by blowing air into a patient's airways and lungs using a breathing tube. Types of breathing tubes include endotracheal, or ET tubes, that are placed into the mouth or nose and down into the windpipe, and tracheostomy tubes that are placed in an opening through the neck into the windpipe (trachea).

Most of the patients who come to Barlow Respiratory Hospital on a ventilator have a tracheostomy tube. Barlow has expertise in ventilator weaning to liberate those patients from mechanical ventilation using the “TIPS©”weaning protocol.

Award-Winning Respiratory Care

From Iron Lungs to Modern Ventilators - A Look at the History of Barlow Respiratory Hospital (2)Barlow Respiratory Hospital has served chronically critically ill and medically complex patients with specialized respiratory care for more than a century. The hospital has a legacy of serving patients who cannot be cared for in any other setting including those who suffer the stigma of a frightening, communicable disease. Now in a second century of service, Barlow Respiratory Hospital is among a handful of hospitals nationwide that has earned the Gold Seal of Approval® for Disease-Specific Certification for Respiratory Failure by the Joint Commission, the only one in California. Barlow is also the only West CoastPassy-Muir Center of Excellence, recognized for treating patients with tracheostomies, on and off the ventilator.

Educational Partnerships and Affiliated Medical Professional Training Programs

By the early 1960s, the number of tubercular patients had decreased dramatically along with important training opportunities for nursing students. The Sisters of St. Joseph of Carondelet Mt. St. Mary’s School of Nursing contracted with Barlow Sanatorium Association in Los Angeles in April 1961 to permit students four weeks of clinical experience in the care of patients with long term or chronic respiratory diseases, especially tuberculosis.

Barlow has historically served as an affiliated teaching facility to train generations of physicians, nurses, respiratory therapists, physical, occupational and speech therapists, pharmacists, and clinical nutrition allied health professionals. Our tradition of educating medical professionals of the future to care for the chronically critically ill is a vital role Barlow plays in our community, and one in which we take great pride.

Recent History, 21st Century and Beyond

In 1984 Barlow Respiratory Hospital was certified as a Long Term Acute Care Hospital (LTCH/LTACH), to serve patients with specialized post-ICU respiratory care.

Barlow leads LTACHs in outcomes reporting with over 90 publications –most notably the Therapist-Implemented Patient-Specific “TIPS©” weaning protocol in 2001, and the 23 hospital Ventilation Outcomes Study published in 2007.

Beginning in 2017, we have published an annual Outcomes Book, reporting on data specific to our weaning and patient care outcomes.

From Iron Lungs to Modern Ventilators - A Look at the History of Barlow Respiratory Hospital (3)

Click here to view Established Expertise - Volume Matters

Barlow Respiratory Hospital is an established national leader in Ventilator Weaning and serves patients referred by nearly 100 regional hospitals in California.

Since 1988 we have treated nearly 22,000 patients including close to 7,000 patients in our ventilator weaning program.

Our clinical staff is trained, experienced and ready for whatever this current crisis may bring.

From Iron Lungs to Modern Ventilators  -  A Look at the History of Barlow Respiratory Hospital (2024)

FAQs

How is a ventilator different from an iron lung? ›

Positive pressure ventilation systems, which blow air into the patient's lungs via intubation, have become more common than negative pressure systems like iron lungs. However, negative pressure ventilation is more similar to normal physiological breathing and may be preferable in rare conditions.

What is the history of the iron lung machine? ›

The iron lung was born in 1927, when Philip Drinker and Louis Agassiz Shaw at Harvard University devised a machine that could maintain respiration, pulling air into and out of the lungs by changing the pressure in an airtight metal box. It was powered by an electric motor with two vacuum cleaners.

What is the history of the ventilator? ›

However, mechanical ventilators, in the form of negative-pressure ventilation, first appeared in the early 1800s. Positive-pressure devices started to become available around 1900 and today's typical intensive care unit (ICU) ventilator did not begin to be developed until the 1940s.

What was the iron lung replaced with? ›

Popularly named the iron lung, the Drinker respirator supported thousands of patients afflicted with respiratory paralysis during the polio era. It was being superseded by positive-pressure airway ventilators just as the polio era came to a close.

How did the iron lung help you breathe? ›

Iron lungs such as Emerson's create a microenvironment that mimic the way the body's chest muscles and diaphragm move air into and out of the lungs. The patient lies on his or her back on a removable bed.

How do modern ventilators work? ›

What are the types of mechanical ventilation? Modern mechanical ventilators use positive pressure to push air into your lungs. Positive pressure ventilation can be invasive or noninvasive.

Are iron lung machines still in use? ›

Decades after polio, Martha is among the last to still rely on an iron lung to breathe. At least one other American was known to be relying on an iron lung in recent years: Martha Lillard, who contracted polio one year after Alexander.

Who is the last person in an iron lung? ›

Alexander died in Dallas on March 11, 2024, at age 78. Although he had been hospitalized for COVID-19 in February, the actual cause of death was unclear. He was one of the last two people still using the technology, alongside Martha Lillard, who first entered an iron lung in 1953.

How successful was the iron lung? ›

Polio was feared around the world at the peak of its epidemic. The disease left hundreds of thousands of children paralysed each year. The iron lung helped save many of them: In the United States alone, it was used by 1,200 people in 1959.

How much did an iron lung cost? ›

In 1939, the National Foundation for Infantile Paralysis began mass distribution of iron lungs, which cost about $1,500 each—then the average price of a home.

Who invented the first medical ventilator? ›

Forrest M. Bird is the inventor of the first convenient and reliable, low cost, mass-produced medical respirator, referred to as a medical ventilator in Bird's patent number 3842828.

What is hidden behind the ventilator? ›

After Beatty leaves, Montag tells Mildred that he no longer wants to work at the fire station and shows her a secret stock of about twenty books he has been hiding in the ventilator.

Why iron lung instead of ventilator? ›

Iron Lungs & Ventilators.

The iron lung provided negative pressure ventilation which is very similar to the manner which we naturally breathe. However, the design of the iron lung made it very difficult to care for patients and it could not support patients with other types of lung disease such as severe pneumonia.

Can you ever leave an iron lung? ›

Independent breathing also allowed him to leave the iron lung. At first, he could stay away for just a few minutes. As he became better at his siphon-style breathing, he was able to spend hours outside the chamber, which he had dubbed his “old iron horse.”

How do iron lung patients shower? ›

Then directly afterwards then we had the bathing, and the iron lung would pull out. The attendants would have a tub that they would have sometimes in their hand but then would bring a stool over put the tub there, and they would go lower body first, always the chest, the arms, washcloth, not sponge.

How do people use the bathroom in an iron lung? ›

And for going to the bathroom, it might occur a couple of different times, but my father had a bedpan, that was placed under him. He was lying down in the iron lung. Or he also had the same thing to pee into and that just go, you know, right between his legs.

How serious is being put on a ventilator? ›

When using a ventilator, you may need to stay in bed or use a wheelchair. This raises your risk of blood clots, serious wounds on your skin called bedsores, and infections. Fluid can build up in the air sacs inside your lungs, which are usually filled with air. This is called pulmonary edema.

What is the difference between a ventilator and a heart lung machine? ›

How does ECMO differ from a ventilator? A ventilator moves air in and out of the lungs when a patient is unable to get enough oxygen on their own. An ECMO machine circulates blood through a machine to remove carbon dioxide and add oxygen.

Do you have to stay in an iron lung all the time? ›

Some patients spent just a short time in the iron lung, perhaps weeks or months until they were able to regain chest strength and breath independently again. But for patients whose chest muscles were permanently paralysed, the iron lung remained the key to survival.

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