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Aerobic neuromuscular electrical stimulation--an emerging technology to improve haemoglobin A1c in type 2 diabetes mellitus: results of a pilot study.


ABSTRACT:

Objectives

A new generation of neuromuscular electrical stimulation (NMES) devices can exercise aerobically at equivalent rates to voluntary exercise. Many with type 2 diabetes cannot or will not exercise sufficiently. The objective of this pilot investigation was to see (1) if it was an acceptable training modality for men with type 2 diabetes mellitus and (2) to assess effects on haemoglobin A1c levels.

Design, setting, participants and intervention

A case series of eight men with type 2 diabetes mellitus (aged 53±8; body mass index 32±5 5 kg/m(2)) trained with the NMES system for 1 h 6 times weekly for 8 weeks, unsupervised, at home. There were no other medication or lifestyle interventions. The aerobic NMES exercise system delivers a repeating set of four complex staggered pulses at high intensities (typically 100 mA+) through an array of eight thigh electrodes.

Outcome measures

The primary outcome measures were changes in haemoglobin A1c and the responses in a questionnaire on participants' perceptions of the system. Body mass and composition were also measured before and after the NMES intervention period.

Results

All participants could use the system at a level that left them breathless and sweaty and with a heart rate over 120 beats per minute. Haemoglobin A1c levels improved by 0.8±0.7% from 7.4±1.3% (mean ± SD) to 6.6±1.0% (p=0.01). All participants considered the system suitable for people with diabetes, would recommend it and would continue to use it twice a week 'to maintain improvements'.

Conclusions

These results suggest that aerobic NMES may be acceptable and have a beneficial effect on haemoglobin A1c of some men with diabetes. The treatment may be of particular benefit in those who will not or cannot do adequate amounts of voluntary exercise. A randomised control trial is required for conclusive efficacy data.

SUBMITTER: Crowe L 

PROVIDER: S-EPMC3378935 | biostudies-literature |

REPOSITORIES: biostudies-literature

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