Physiotherapy theory and practice · 2025
Combined inspiratory muscle training and weight loss as a conservative strategy to improve outcome following bilateral diaphragm paralysis: a case report.
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Brocki Barbara Cristina, Nekrasas Vytautas, Andreasen Jan Jesper
Аннотация
BACKGROUND: Bilateral diaphragm paralysis (BDP) is an uncommon condition leading to severe dyspnea, sleep apnea and reduced daily activity levels.
PURPOSE: This longitudinal case report describes the course of treatment with inspiratory muscle training (IMT) and dietary intervention in a patient with BDP.
CASE DESCRIPTION: A 50-year-old male, body mass index (BMI) of 34, with BDP was referred to our thoracic surgery department for evaluation prior to potential diaphragm plication. The patient had severe orthopnea, and the Medical Research Council scale (MRC) dyspnea level was 3. Nocturnal continuous positive airway pressure (CPAP), advice on weight loss, and IMT were initiated, based on a maximal inspiratory pressure (MIP) of 55% of predicted values. The patient performed IMT sessions with a Powerbreathe ® device twice daily with 2 × 30 breaths per session. The training load started with 15 cm H2O and was incrementally increased.
OUTCOMES: Six-months after, the planned surgery was postponed, since the chest radiograph showed almost normal positioning of both hemidiaphragms, despite a persistent minimal movement of the diaphragm. The BMI was decreased to 31, MRC was 2 and the activity level was increased. MIP increased from -55 cm H2O to -70 cm H2O (training load 32 cm H2O). He was advised to continue with weight loss and the IMT sessions. At the one-year follow-up, the patient no longer needed nocturnal CPAP.
CONCLUSION: IMT combined with weight loss appeared to be a successful conservative strategy to improve outcome following BDP in this patient.
PURPOSE: This longitudinal case report describes the course of treatment with inspiratory muscle training (IMT) and dietary intervention in a patient with BDP.
CASE DESCRIPTION: A 50-year-old male, body mass index (BMI) of 34, with BDP was referred to our thoracic surgery department for evaluation prior to potential diaphragm plication. The patient had severe orthopnea, and the Medical Research Council scale (MRC) dyspnea level was 3. Nocturnal continuous positive airway pressure (CPAP), advice on weight loss, and IMT were initiated, based on a maximal inspiratory pressure (MIP) of 55% of predicted values. The patient performed IMT sessions with a Powerbreathe ® device twice daily with 2 × 30 breaths per session. The training load started with 15 cm H2O and was incrementally increased.
OUTCOMES: Six-months after, the planned surgery was postponed, since the chest radiograph showed almost normal positioning of both hemidiaphragms, despite a persistent minimal movement of the diaphragm. The BMI was decreased to 31, MRC was 2 and the activity level was increased. MIP increased from -55 cm H2O to -70 cm H2O (training load 32 cm H2O). He was advised to continue with weight loss and the IMT sessions. At the one-year follow-up, the patient no longer needed nocturnal CPAP.
CONCLUSION: IMT combined with weight loss appeared to be a successful conservative strategy to improve outcome following BDP in this patient.