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Chest physical therapy in icu
Physiotherapy in the ICU
For patients with mechanical ventilation, early
physiotherapy has been shown to improve quality of life and prevent ICU-related
complications such as deconditioning, ventilator dependence, and respiratory
conditions.
Despite the latest advances in medical care and mechanical
ventilation (MV), critical illness in the intensive care unit (ICU) is still
associated with a high mortality rate. 1 Furthermore, ICU victims may suffer
from muscle weakness, physical disability, and long-standing cognitive
problems. up to 5 years.2-5 These critically ill patients may show muscle
wasting in the first week of the disease, with greater severity in patients
with multiorgan failure compared to those who experience single organ failure.
Physiotherapy has been recommended by the scientific
community as a major component in the management of patients with critical
illnesses.7,8 The proposed strategy includes patient mobilization based on
progressive sequences of activities such as changes in pressure sores and
functional positions; passive, active and active mobilization; cycling and
sitting in bed; and stand up, walk static, move from bed to chair, and walk.
Early physiotherapy is intended to improve the quality of life of patients and
prevent ICU-related complications such as deconditioning, ventilator
dependence, and respiratory conditions. It has been proven that it is feasible
and useful, even in patients who require extracorporeal membrane oxygenation
(ECMO). 7-12 In addition, a pilot study shows that early rehabilitation can be
extended beyond physical therapy to include cognitive therapy.
Weakness Acquired by ICU
Ambrosino-table1 Weaknesses obtained by the intensive care
unit (ICUAW) were observed in the majority of patients who received MV for more
than 1 week in the ICU. 6, 14-16 Etiology includes decondition and atrophy that
are not used because of long rest and immobility. and critical illness
polyneuropathy and / or myopathy, known as critical disease neuromyopathy. 17
Other risk factors for ICUAW include systemic inflammatory response syndrome,
sepsis, and multiple organ dysfunction syndromes; hyperglycemia; and drugs,
such as corticosteroid use and neuromuscular blocking agents. 18 As a
consequence, recommendations for avoiding these risk factors have been
suggested.
Implementation of early mobilization programs is feasible in
most ICUs and provides benefits if initiated no later than 1 or 2 days after
the initiation of MV. 9-11,15,20 Such programs should be given after
cardiorespiratory and neurological stabilization.20-23 This approach, along
with certain muscle training, can improve functional results and cognitive and
respiratory conditions.
Rotation Therapy
Continuous rotation therapy uses a special bed to change
patients along the longitudinal axis of up to 60 ° on each side, with a predetermined
degree and rotational speed. It has been hypothesized that this modality can
reduce the risk of sequential airway closure and pulmonary atelectasis,
resulting in a reduction in the incidence of lower respiratory tract infections
and pneumonia, and the duration of endotracheal intubation and length of
hospital stay.
Chest physical therapy in icu ahs.us.edu |
Initial Mobilization
Ambrosino_Figure1 Initial mobilization can also be performed
in unconscious or anesthetized patients.11 The protocol includes semirecumbent
positioning with the head of the bed positioned at 45 °, frequent changes in
body position, daily passive joint movement sessions and passive sleep cycles
and electrical stimulation.
Many studies have concluded that early mobilization of
critically ill patients can be carried out with a low risk in patients.
Algorithms have been proposed as a guide in selecting patients suitable for
mobilization and providing appropriate treatment strategies designed for each
patient.8,11 Although the short-term effectiveness of early physiotherapy has
been shown, more studies are needed to confirm the long-term responsiveness of
survivors ICU for physiotherapy. In addition, even though it was acknowledged
the benefits of early mobilization, only a small proportion of ICUs were able
to provide full-time physiotherapy to these patients. As a consequence, we need
to improve the ICU organization and team to provide early physiotherapy.26-29
Indeed, financial models, based on actual experience and published data,
projects that invest in early ICU rehabilitation programs can result in net
financial savings for the US. hospitals and even more clinical improvements for
patients.
Airway Secretion Management
Patients with mechanical ventilation in the ICU can suffer
from restrained secretions due to many causes. The mucociliary system can be
disrupted by endotracheal intubation, with increased susceptibility to
infection and volume and tenacity of mucus.
In addition, immovable patients can suffer from atelectasis,
disruption of the cough mechanism, and associated inability to secrete
secretions. Expiratory muscle weakness associated with lowering cough strength;
in addition, fluid restriction contributes to secretion retention. 31,32.
Helping airway cleaning in patients under the MV includes different techniques.
Postural drainage. Postural drainage traditionally includes
a position that is aided by gravity, deep breathing exercises, chest claps,
shock or vibration, and coughing with incentives to move airway secretion
towards the upper airways.
Chest physical therapy in icu ahs.uic.com |
Chen et al conducted a randomized study in patients with
mechanical ventilation in the ICU. The results show that percussion and
postural drainage can increase lung collapse. Ntoumenopoulos et al37 suggested
that chest physiotherapy might be useful in preventing ventilator-related
pneumonia. Lemyze et al38 suggested that in critically obese patients under MV,
continuous sitting position and significantly alleviating the limitations of
expiratory flow and the final pressure of intrinsic-positive expiration (PEEPi)
resulted in a dramatic decrease in alveolar pressure. Combining sitting
positions and applying PEEP may be the best strategy in these patients.
Intrapulmonary percussion ventilation. Intrapulmonary
percussive ventilation (IPV) is a high frequency ventilation modality that can
be superimposed on spontaneous breathing. Intrapulmonary percussion ventilation
can reduce the burden of respiratory muscles and help move airway secretions.
This tool creates a percussive effect on the airways, thereby increasing the
clearance of mucus through direct high-frequency oscillating vents that can
help alveolar recruitment. The positive effects of this technique have been
shown in patients with respiratory disorders, neuromuscular disease, and
pulmonary atelectasis.
The physiological effects of IPV were studied by Vargas et
al42 in patients with intubated COPD. Intrapulmonary percussion ventilation
increases the reduction of the flow of restriction expiration and gas exchange.
Dimassi et al conducted a prospective study to assess the short-term effects of
IPV in high-risk patients for extubation failure who received noninvasive
ventilation after extubation. The study concluded that noninvasive ventilation
and IPV reduce respiratory rate and respiratory work. Clini et al44 conducted a
multicenter trial randomly concluded that the addition of IPV increased gas
exchange and expiratory muscle performance and reduced the incidence of pneumonia.
Positive expiratory pressure. Positive expiratory pressure
(PEP), first introduced in the 1970s, consists of a one-way valve through a
mask or funnel connected to one or several small exit holes and expiratory
resistors that can be adjusted to enhance and promote the discharge of
secretions with airway stenting , increase intrathoracic pressure, or increase
functional residual capacity. 45 The benefits of PEP are still deep investigation.
Systematic reviews assess the effectiveness of PEP in patients after
thoracoabdominal surgery. Six randomized controlled trials were included
comparing PEP with other breathing techniques or in addition to routine chest
physiotherapy treatments. Only 1 in 6 trials showed a positive effect of PEP
compared to other physiotherapy techniques.
Ambrosino_Figure2A new modality for providing low-level PEP
in the mouth during spontaneous breathing is called temporary PEP, which has
recently been proposed to treat patients with chronic mucous hypersecretion.
This modality results in an increase of 1 cm H2O in airway pressure throughout
the respiratory cycle until immediately before the end of expiration.
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