Respiratory Physiotherapy After Cardiac Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-03-31

Study Completion Date

2011-12-31

Brief Summary

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Although incentive spirometry is commonly used to avoid pulmonary complications in cardiac surgery patients, the breath-stacking technique has been proposed as an alternative to increase pulmonary volumes in the post-operative period.

Objective: To compare inspiratory volume and electromyographic activity of respiratory muscles during breath stacking technique and incentive spirometry in patients undergoing cardiac surgery.

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Detailed Description

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The purpose of the present study are:

1. to evaluate and compare the inspiratory volume during the course of Breath Stacking and Incentive Spirometry techniques in patients submitted to myocardial revascularization surgery.
2. to compare the electromyographic activity of the scalene, sternocleidomastoid (SCM) and diaphragm muscles during both techniques.

Conditions

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Functional Disturbance Following Cardiac Surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Incentive spirometry

Group Type OTHER

Breath Stacking

Intervention Type BEHAVIORAL

To perform the BS maneuver, a silicone mask containing a one-way valve was attached to the patient's face. Once the mask was adjusted to allow only inspiration (the expiratory branch remained occluded), the patient was asked to make successive inspiratory efforts during 20 seconds.

Breath Stacking

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Breath Stacking

To perform the BS maneuver, a silicone mask containing a one-way valve was attached to the patient's face. Once the mask was adjusted to allow only inspiration (the expiratory branch remained occluded), the patient was asked to make successive inspiratory efforts during 20 seconds.

Intervention Type BEHAVIORAL

Other Intervention Names

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respiratory exercises

Eligibility Criteria

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Inclusion Criteria

* patients submitted to myocardial revascularization surgery

Exclusion Criteria

* cognitive impairment or incoordination to perform IS
* face mask intolerance during BS
* level of consciousness incompatible to perform IS
* hemodynamic complications \[arrhythmia, intraoperative myocardial infarction, major blood loss (defined as a loss of ≥20% of total blood volume), mean arterial pressure \<70 mmHg and reduce cardiac output requiring the use of an intra-aortic balloon pump or vasoactive drugs)
* intubation for more than 72 h after admission to the Intensive Care Unit
* the need for reintubation.

Minimum Eligible Age

50 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No