| Inspiratory muscle strength training in infants with congenital heart disease and prolonged mechanical ventilation: a case report. | |
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MedLine Citation:
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PMID: 22466028 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: Inspiratory muscle strength training (IMST) has been shown to improve maximal pressures and facilitate ventilator weaning in adults with prolonged mechanical ventilation (MV). The purposes of this case report are: (1) to describe the rationale for IMST in infants with MV dependence and (2) to summarize the device modifications used to administer training. CASE DESCRIPTION: Two infants with congenital heart disease underwent corrective surgery and were referred for inspiratory muscle strength evaluation after repeated weaning failures. It was determined that IMST was indicated due to inspiratory muscle weakness and a rapid, shallow breathing pattern. In order to accommodate small tidal volumes of infants, 2 alternative training modes were devised. For infant 1, IMST consisted of 15-second inspiratory occlusions. Infant 2 received 10-breath sets of IMST through a modified positive end-expiratory pressure valve. Four daily IMST sets separated by 3 to 5 minutes of rest were administered 5 to 6 days per week. The infants' IMST tolerance was evaluated by vital signs and daily clinical reviews. OUTCOMES: Maximal inspiratory pressure (MIP) and rate of pressure development (dP/dt) were the primary outcome measures. Secondary outcome measures included the resting breathing pattern and MV weaning. There were no adverse events associated with IMST. Infants generated training pressures through the adapted devices, with improved MIP, dP/dt, and breathing pattern. Both infants weaned from MV to a high-flow nasal cannula, and neither required subsequent reintubation during their hospitalization. DISCUSSION: This case report describes pediatric adaptations of an IMST technique used to improve muscle performance and facilitate weaning in adults. Training was well tolerated in 2 infants with postoperative weaning difficulty and inspiratory muscle dysfunction. Further systematic examination will be needed to determine whether IMST provides a significant performance or weaning benefit. |
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Authors:
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Barbara K Smith; Mark S Bleiweis; Cimaron R Neel; A Daniel Martin |
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Publication Detail:
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Type: Case Reports; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2012-03-30 |
Journal Detail:
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Title: Physical therapy Volume: 93 ISSN: 1538-6724 ISO Abbreviation: Phys Ther Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-02-04 Completed Date: 2013-04-05 Revised Date: 2013-04-16 |
Medline Journal Info:
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Nlm Unique ID: 0022623 Medline TA: Phys Ther Country: United States |
Other Details:
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Languages: eng Pagination: 229-36 Citation Subset: AIM; IM |
Affiliation:
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Department of Physical Therapy, University of Florida, PO Box 100154, Gainesville, FL 32610-0154, USA. bksmith@phhp.ufl.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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DiGeorge Syndrome
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diagnosis,
rehabilitation* Diagnosis, Differential Female Heart Defects, Congenital / diagnosis, physiopathology*, surgery Humans Infant, Newborn Male Respiration, Artificial Respiratory Insufficiency / diagnosis, physiopathology*, rehabilitation* Respiratory Muscles / physiopathology* Respiratory Therapy / methods* Time Factors Ventilator Weaning |
| Grant Support | |
ID/Acronym/Agency:
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NIH T32HD043730/HD/NICHD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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