Physiotherapy Exercises in Patients With Sternal Instability After Cardiovascular Surgery

Emilia Nozawa, PT PhD30 enrolled

Overview

Sternal instability caused by mediastinitis is one of the most feared complications for cardiac surgery team for generating large commitments and functional damages to patients. Biomechanically, the contraction of abdominal muscles such as transverse abdominal, produces forces that result in a "corset-like" action and anterior thoracic cage muscles too may assist in stabilizing the sternum. Thus, strengthening the abdominal muscles might contribute to the recovery of functional aspects. The aim was to evaluate whether contraction and strengthening the abdominal muscles could improve lung function and respiratory muscle strength in patients with sternal instability.

Sternal instability was confirmed by physical examination and confirmed by chest tomography. The data were collected before and after the 3-week period of intervention. Sternal instability way assessed by the unstable sternal scale, graduated from zero to 4 points. The respiratory muscle strength was measured through Manuvacuometry and the pulmonary function by the spirometry. Pain was recorded by using a Visual Analog Scale (0 -10); Discomfort Scale( 0-10) and Identification of Activities that cause pain and discomfort. Patients underwent abdominal exercise protocol for three weeks once a day, lasting about 15 minutes followed by the physiotherapist.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Mediastinitis

Interventions

physiotherapy exercisesOTHER

Consisted of trunk stabilization exercises.The exercises were undertaken for 15 minutes every day for tree weeks. Patients were the contract their abdominal muscles with an emphasis on the transverse abdominal. Patients were to contract their abdominal muscles in a supine,sitting and stand up position.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Postoperative period of cardiovascular surgery by median sternotomy with sternal instability * Written Inform consent Exclusion Criteria: * Chest Tube * Hemodynamic instability * Neurological alteration * Active infection

Outcomes

Primary Outcomes

Improvement of pulmonary function

Measure of maximal muscles respiratory pressures and spirometry tests

Time frame: 3 weeks

Secondary Outcomes

Measure of pain on the Visual Analog Scale

Pain Visual Analog Scale

Time frame: 3 weeks

Discomfort - using Discomfort Scale

Activities using Discomfort Scale

Time frame: 3 weeks

Data from ClinicalTrials.gov

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