Incentive spirometer
A typical incentive spirometer consists of an inhalation nozzle, which is seen facing toward the camera. The curved plastic on the left is a handle. The piston is in the middle (along with an adjustable mark to indicate a goal), and on the right side is a flow indicator showing whether the patient is inhaling too rapidly.
SpecialtyPulmonology

An incentive spirometer is a handheld medical device used to help patients improve the functioning of their lungs. By training patients to take slow and deep breaths, this simplified spirometer facilitates lung expansion and strengthening. Patients inhale through a mouthpiece, which causes a piston inside the device to rise. This visual feedback helps them monitor their inspiratory effort. Incentive spirometers are commonly used after surgery or other illnesses to prevent pulmonary complications.

Overview

Incentive spirometer is indicated for patients who have had any surgery that might jeopardize respiratory function, particularly surgery to the lungs,[1] but also to patients recovering from cardiac or other surgery involving extended time under anesthesia and prolonged in-bed recovery. Under general anesthesia and inactivity, a patient's breathing may slow, causing air sacs in their lungs to not fully inflate. Atelectasis can develop and, if unmanaged, lead to pneumonia and postoperative fever. Pneumonia is a major lung complication associated with increased morbidity and mortality, length of hospital stay, and likelihood of hospital readmissions.[2] In conjunction with breathing exercises and early mobility, incentive spirometry use is therefore beneficial for patients recovering from pneumonia or rib damage to help minimize the chance of fluid build-up in the lungs. Because of its role in pulmonary rehabilitation and inspiratory muscle training, this device may theoretically benefit patients with COVID-19.[3] It may be used as well by wind instrument players who want to improve their air flow.

Indications

Incentive spirometer is indicated for the following reasons:[4]

Contraindications

While there are no absolute contraindications for spirometry use, inspiratory muscle training can worsen some existing medical conditions, including the following:[4]

  • Recent or current respiratory tract infection
  • Hemoptysis of unknown origin
  • Pneumothorax
  • Emphysema, due to increased barotrauma[8]
  • Thoracic, abdominal, or cerebral aneurysms
  • Recent thoracic, abdominal, or eye surgery
  • Nausea, vomiting, or acute illness
  • Confusion or dementia
  • Undiagnosed hypertension

Usage

Depiction of the components of an incentive spirometer. The user is seated upright and holds the device in front of them. They breathe in air through the mouthpiece while watching the piston rise towards the goal marker.

Patient starts in a seated upright position. Patient exhales completely before using device. The patient then places the mouthpiece into their mouth and seals their lips tightly around it. The patient breathes in from the device as slowly and as deeply as possible, then holds that breath in for 2–6 seconds. This provides back pressure that pops open alveoli. It has the same effect as that which occurs during yawning. An indicator piston driven by the patient's breathing provides a gauge of how well the patient's lungs (or lung if singular) are functioning, by indicating sustained inhalation vacuum. While the patient is holding their breath, the indicator piston will slowly return to the bottom of the column. Patient then removes the mouthpiece from their mouth and exhales normally. Coughing can be expected to clear the airway and lungs of mucus. Patients are encouraged to rest if they begin feeling dizzy.[1]

Generally, patients are encouraged to do many repetitions a day while measuring progress by way of advancing the movable gauge along the central column of the device as they improve.

Alternative approach for children

Traditional incentive spirometers can be more challenging for children due to compliance and submaximal effort.[9] Age-appropriate devices including whistles, pinwheels, and bubble wands should be considered.[10] These toys and activities reinforce proper breathing mechanics by stimulating deep inhalation and prolonged exhalation.

Additional images

Another example of an incentive spirometer

See also

  • Respiratory system – Biological system in animals and plants for gas exchange
  • Spirometer – Apparatus for measuring air volume inspired and expired by the lungs

References

  1. 1 2 "How to use an incentive spirometer". The Cleveland Clinic Foundation. Retrieved 2013-11-03.
  2. ↑ Chughtai, Morad; Gwam, Chukwuweike U.; Mohamed, Nequesha; Khlopas, Anton; Newman, Jared M.; Khan, Rafay; Nadhim, Ali; Shaffiy, Shervin; Mont, Michael A. (2017). "The Epidemiology and Risk Factors for Postoperative Pneumonia". Journal of Clinical Medicine Research. 9 (6): 466–475. doi:10.14740/jocmr3002w. PMC 5412519. PMID 28496546.
  3. ↑ Seyller, Hannah; Gottlieb, Michael; Colla, Joseph (October 2021). "A breath of fresh air: The role of incentive spirometry in the treatment of COVID-19". The American Journal of Emergency Medicine. 48: 369. doi:10.1016/j.ajem.2021.01.084. PMC 8500986. PMID 33558097.
  4. 1 2 Franklin, Emily; Anjum, Fatima (2022). "Incentive Spirometer and Inspiratory Muscle Training". StatPearls. StatPearls Publishing. PMID 34283480.
  5. ↑ Bernal-Utrera, Carlos; Anarte-Lazo, Ernesto; Gonzalez-Gerez, Juan Jose; De-La-Barrera-Aranda, Elena; Saavedra-Hernandez, Manuel; Rodriguez-Blanco, Cleofas (8 February 2021). "Could Physical Therapy Interventions Be Adopted in the Management of Critically Ill Patients with COVID-19? A Scoping Review". International Journal of Environmental Research and Public Health. 18 (4): 1627. doi:10.3390/ijerph18041627. PMC 7915254. PMID 33567748.
  6. ↑ Shan, Mia X; Tran, Yen M; Vu, Kim T; Eapen, Blessen C (August 2020). "Postacute inpatient rehabilitation for COVID-19". BMJ Case Reports. 13 (8): e237406. doi:10.1136/bcr-2020-237406. PMC 7437681. PMID 32816941.
  7. ↑ Sum, Shao-Kai; Peng, Ya-Chuan; Yin, Shun-Ying; Huang, Pin-Fu; Wang, Yao-Chang; Chen, Tzu-Ping; Tung, Heng-Hsin; Yeh, Chi-Hsiao (December 2019). "Using an incentive spirometer reduces pulmonary complications in patients with traumatic rib fractures: a randomized controlled trial". Trials. 20 (1): 797. doi:10.1186/s13063-019-3943-x. PMC 6937666. PMID 31888765.
  8. ↑ Kenny, Jon-Emile S; Kuschner, Ware G (July 2013). "Pneumothorax Caused by Aggressive Use of an Incentive Spirometer in a Patient With Emphysema". Respiratory Care. 58 (7): e77–e79. doi:10.4187/respcare.02130. PMID 23232741. S2CID 74429.
  9. ↑ Gupta, Anish; Mishra, Priyanka; Gupta, Bhavna; Kakkar, Kamna (2021). "A kid-friendly approach to Incentive Spirometry". Annals of Cardiac Anaesthesia. 24 (2): 238–240. doi:10.4103/aca.ACA_188_19. PMC 8253039. PMID 33884984.
  10. ↑ Schivinski, Camila Isabel Santos; Manna, Bruna Cardoso; Belém, Fabíula Joanita da Mata; Castilho, Tayná (2020). "Therapeutic blowing toys: does the overlap of ventilatory stimuli alter the respiratory mechanics of healthy schoolchildren?". Revista Paulista de Pediatria. 38: e2018259. doi:10.1590/1984-0462/2020/38/2018259. PMC 7063596. PMID 32159645.
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