Effects of Inspiratory Muscle Training After Lung Cancer Surgery, a Randomized Controlled Trial

A

Aalborg University Hospital

Status and phase

Completed
Phase 2

Conditions

Surgery
Lung Cancer

Treatments

Other: Placebo comparator: standard physiotherapy
Other: Inspiratory muscle training

Study type

Interventional

Funder types

Other

Identifiers

NCT01793155
AAUH 01
N-201220027 (Other Identifier)

Details and patient eligibility

About

The purpose of this study is to evaluate the effects of postoperative inspiratory muscle training on the recovery of respiratory muscle strength in high risk patients referred for lung cancer surgery. Furthermore, to assess longitudinal changes in respiratory muscle strength, physical capacity and health-related quality of life after lung cancer surgery

Full description

Advances in early detection and treatment improve life expectancy after surgery for lung cancer, but living with lung cancer is frequently associated with symptoms as dyspnoea, decreased physical capacity and fatigue several years after treatment. Lung cancer (LC) surgery is associated with a high incidence of postoperative pulmonary complications (PPC), having a negative impact on recovery. Although the causes of PPC are multifactorial, respiratory muscle (RM) dysfunction has been proposed to be associated with the development of PPC, explained by changes in RM mechanics- and function due to surgery. There is scarcity of literature on the impact of RM dysfunction on surgical and functional outcomes after LC surgery. Aims: to describe longitudinal changes in RM strength in patients undergoing lung cancer surgery and identify associations between RM strength and functional capacity. Furthermore, to evaluate the effect of inspiratory muscle training on the recovery of respiratory muscle strength in high risk patients referred for LC surgery. Target population: 88 patients referred for lung cancer surgery at the Department of Cardiothoracic Surgery, Aalborg Universityhospital. Design: The core of this research is a prospective longitudinal observational study (study 1); included is a randomized controlled trial, based on a subpopulation from study 1. Statistical analysis is based on mixed linear regression models and ANOVA. For the RCT we use the generalized estimating equivalent method for parametric and Fisher´s exact test for nonparametric data.

Enrollment

70 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age >18 years; scheduled for thoracic surgery on the suspicion/confirmed lung tumor via open thoracotomy or Visual Assisted Thoracotomy(includes primary lung cancer, metastases from other cancer sites without activity within none year, other tumor types requiring resection of lung tissue; Furthermore, for RCT, one of the following: Age ≥ 70 years or FEV1 ≤ 70% predicted or DLCO ≤ 70% predicted or scheduled pneumonectomy)

Exclusion criteria

  • physical or mental deficits that adversely influence physical performance; can neither speak nor read Danish; previous ipsilateral lung resection; tumor activity in other sites or organs; pancoast tumor

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

70 participants in 2 patient groups, including a placebo group

Inspiratory muscle training
Experimental group
Description:
Inspiratory muscle training for two weeks following surgery
Treatment:
Other: Inspiratory muscle training
Other: Placebo comparator: standard physiotherapy
Standard physiotherapy
Placebo Comparator group
Description:
Breathing exercises, cough/hugh, advice on early and active mobilization
Treatment:
Other: Placebo comparator: standard physiotherapy

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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