Weaning from mechanical ventilation.

M. S. Mellema, S. C. Haskins

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Patients that require positive pressure ventilation to maintain sufficient alveolar ventilation or pulmonary gas exchange may eventually reach a point in the course of their care wherein mechanical ventilation is no longer necessary. This process of transferring the work of breathing from the ventilator back to the patient is referred to as ventilator weaning. The term "ventilator weaning" may be used to refer to all methods by which this transfer of workload may be accomplished. In many patients, particularly those with short-lasting or readily correctable causes of respiratory insufficiency (e.g., general anesthesia), the discontinuation of positive pressure ventilation may be easily achieved. Indeed, in patients awakening from general anesthesia, the axiom "awake enough to blink, awake enough to breath" may prove to be a sufficient guideline. However, in those patients requiring long-term mechanical ventilatory support, the process can prove to be both frustrating and exceptionally challenging. It is of crucial importance to identify those patients that may be successfully weaned because of both the financial impact of prolonged intensive care unit hospitalization and the risks imposed on the patient by the process of positive pressure ventilation. To be able to predict which patients may be ready to be weaned from the ventilator requires an understanding of the balance between the work of breathing (ventilatory load) and the ability of the patient's respiratory pump to meet those needs (ventilatory capacity). The management of patients experiencing difficulty during the weaning process requires that the clinician recognize imbalances between ventilatory load and capacity and to correct these imbalances once identified.

Original languageEnglish (US)
Pages (from-to)157-164
Number of pages8
JournalClinical Techniques in Small Animal Practice
Volume15
Issue number3
StatePublished - Aug 2000
Externally publishedYes

Fingerprint

Artificial Respiration
weaning
ventilators
Positive-Pressure Respiration
Ventilator Weaning
Work of Breathing
breathing
Mechanical Ventilators
General Anesthesia
anesthesia
pulmonary gas exchange
Pulmonary Gas Exchange
economic impact
Weaning
Workload
Respiratory Insufficiency
pumps
Intensive Care Units
Ventilation
Hospitalization

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Mellema, M. S., & Haskins, S. C. (2000). Weaning from mechanical ventilation. Clinical Techniques in Small Animal Practice, 15(3), 157-164.

Weaning from mechanical ventilation. / Mellema, M. S.; Haskins, S. C.

In: Clinical Techniques in Small Animal Practice, Vol. 15, No. 3, 08.2000, p. 157-164.

Research output: Contribution to journalArticle

Mellema, MS & Haskins, SC 2000, 'Weaning from mechanical ventilation.', Clinical Techniques in Small Animal Practice, vol. 15, no. 3, pp. 157-164.
Mellema, M. S. ; Haskins, S. C. / Weaning from mechanical ventilation. In: Clinical Techniques in Small Animal Practice. 2000 ; Vol. 15, No. 3. pp. 157-164.
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