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Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies.

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  • معلومة اضافية
    • Subject Terms:
    • Author-Supplied Keywords:
      chronic obstructive pulmonary disease
      early intervention
      pulmonary rehabilitation
    • NAICS/Industry Codes:
      713940 Fitness and Recreational Sports Centers
      541910 Marketing Research and Public Opinion Polling
    • Abstract:
      Background Neuromuscular electrical stimulation (NMES) has shown to improve skeletal muscle strength and exercise capacity in stable patients with chronic obstructive pulmonary disease (COPD). Variations in NMES protocols are considerable. We aimed to compare changes in muscle strength after high-frequency and low-frequency NMES in patients admitted to hospital with an acute exacerbation of COPD. Methods Patients were referred for inpatient (IP) rehabilitation during hospitalisation for an acute worsening of their COPD. They received 30-minute daily NMES to both quadriceps at a frequency of 35 or 50 Hz. NMES intensity was titrated to patients' tolerance. Isometric quadriceps muscle strength and endurance walking (ESWT) time were measured at baseline and on hospital discharge. Results A total of 10 patients in each treatment group underwent NMES during hospitalisation (mean [SD] age 68.0 [±7.4] years, FEV1 0.99 L [±0.58], FEV1/FVC 47% [± 27%], MRC 5 [IQR ±1]). There were no significant differences in baseline characteristics between groups. Muscle strength (legs combined) increased in both groups regardless of the NMES frequency used (35 Hz - 3.8 ± 4.9; 50 Hz - 3.4 ± 5.5 kg). This was only significant within the 35 Hz group. The change in ESWT also showed a trend to increase in both groups (35 Hz - 109 ± 92.7; 50 Hz - 145.6 ± 94.7). There was no significant difference between groups for either outcome. Conclusion NMES is a feasible intervention to improve muscle strength in a cohort of patients admitted with an exacerbation of COPD. The response appears to be independent of the frequency used and both were well-tolerated. Copyright © 2012 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of Physiotherapy Research International is the property of John Wiley & Sons, Inc. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
    • Author Affiliations:
      1Pulmonary Rehabilitation Department, Glenfield Hospital, University Hospitals of Leicester NHS Trust, Leicester LE3 9QP, UK
      2Faculty of Health and Life Sciences, Coventry University, Coventry CV1 5FB, UK
    • ISSN:
      1358-2267
    • Accession Number:
      10.1002/pri.1541
    • Accession Number:
      90055207
  • Citations
    • ABNT:
      CHAPLIN, E. J. L. et al. Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies. Physiotherapy Research International, [s. l.], v. 18, n. 3, p. 148–156, 2013. DOI 10.1002/pri.1541. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=90055207&custid=s8280428. Acesso em: 4 ago. 2020.
    • AMA:
      Chaplin EJL, Houchen L, Greening NJ, et al. Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies. Physiotherapy Research International. 2013;18(3):148-156. doi:10.1002/pri.1541.
    • AMA11:
      Chaplin EJL, Houchen L, Greening NJ, et al. Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies. Physiotherapy Research International. 2013;18(3):148-156. doi:10.1002/pri.1541
    • APA:
      Chaplin, E. J. L., Houchen, L., Greening, N. J., Harvey, D. T., Morgan, M. D., Steiner, M. C., & Singh, S. J. (2013). Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies. Physiotherapy Research International, 18(3), 148–156. https://doi.org/10.1002/pri.1541
    • Chicago/Turabian: Author-Date:
      Chaplin, Emma Jane Louise, Linzy Houchen, Neil J. Greening, Dunstan, Theresa Harvey, Michael D. Morgan, Michael C. Steiner, and Sally J. Singh. 2013. “Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies.” Physiotherapy Research International 18 (3): 148–56. doi:10.1002/pri.1541.
    • Harvard:
      Chaplin, E. J. L. et al. (2013) ‘Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies’, Physiotherapy Research International, 18(3), pp. 148–156. doi: 10.1002/pri.1541.
    • Harvard: Australian:
      Chaplin, EJL, Houchen, L, Greening, NJ, Harvey, DT, Morgan, MD, Steiner, MC & Singh, SJ 2013, ‘Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies’, Physiotherapy Research International, vol. 18, no. 3, pp. 148–156, viewed 4 August 2020, .
    • MLA:
      Chaplin, Emma Jane Louise, et al. “Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies.” Physiotherapy Research International, vol. 18, no. 3, Sept. 2013, pp. 148–156. EBSCOhost, doi:10.1002/pri.1541.
    • Chicago/Turabian: Humanities:
      Chaplin, Emma Jane Louise, Linzy Houchen, Neil J. Greening, Dunstan, Theresa Harvey, Michael D. Morgan, Michael C. Steiner, and Sally J. Singh. “Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies.” Physiotherapy Research International 18, no. 3 (September 2013): 148–56. doi:10.1002/pri.1541.
    • Vancouver/ICMJE:
      Chaplin EJL, Houchen L, Greening NJ, Harvey DT, Morgan MD, Steiner MC, et al. Neuromuscular Stimulation of Quadriceps in Patients Hospitalised during an Exacerbation of COPD: A Comparison of Low (35 Hz) and High (50 Hz) Frequencies. Physiotherapy Research International [Internet]. 2013 Sep [cited 2020 Aug 4];18(3):148–56. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=90055207&custid=s8280428