Review Article

Gastric Electrical Stimulation with the Enterra System: A Systematic Review

Table 1

Summary of studies.

StudyMethodsParticipantsFollow-up

Forster et al., 2001 [9]Cohort-observational2519 DG, 3 IG, and 3 PSG12 months
Abell et al., 2002 [10]Cohort-observational389 DG, 24 IG, and 5 PSG11 months
Abell et al., 2003 [22]Crossover and then observational3317 DG, 16 IG12 months
Abell et al., 2003 [26]Cohort-observational12 3 DG, 9 IG60 months
Forster et al., 2003 [27]Cohort-observational5539 DG, 7 IG, and 9 PSG12 months
Lin et al., 2004 [23]Cohort-observational4848 DG12 months
McCallum et al., 2005 [17]Cohort-observational1616 PSG12 months
van der Voort et al., 2005 [18]Cohort-observational1717 DG12 months
Lin et al., 2005 [24]Cohort-observational3724 DG, 8 IG, and 5 PSG12 months
Mason et al., 2005 [33]Cohort-observational2924 DG, 5 IG20 months
Lin et al., 2006 [25]Cohort-observational5539 DG, 9 IG, and 6 PSG36 months
Anand et al., 2007 [28]Cohort-observational214146 IG, 45 DG, and 23 PSG48 months
Lin et al., 2008 [12]Cohort-observational6338 DG, 11 IG, and 14 PSG12 months
McKenna et al., 2008 [15]Cohort-observational1910 DG, 6 IG, and 3 PSG9.5 months
Brody et al., 2008 [13]Cohort-observational5020 DG, 25 IG, 2 PSG, and 3 CTG12 months
McCallum et al., 2010 [16]Crossover and then observational5555 DG12 months
McCallum et al., 2011 [29]Cohort-observational221142 DG, 48 IG, and 31 PSG56 months
O’Loughlin et al., 2013 [30]Cohort-observational179 DG, 7 IG, and 1 PSG14 months
McCallum et al., 2013 [19]Crossover and then observational3232 IG12 months
Ross et al., 2014 [32]Cohort-observational2515 DG, 10 IG6 months
Brody et al., 2015 [14]Cohort-observational7943 IG, 37 DG12 months

DG: diabetic gastroparesis; IG: idiopathic gastroparesis; PSG: postsurgical gastroparesis; WVF: Weekly Vomiting Frequency; WNF: Weekly Nausea Frequency; GET: gastric emptying; SAQ: self-administered questionnaire; M: months; Y: years; W: weeks; TSS: Total Symptom Score; PCS: Physical Composite Score; MCS: Mental Composite Score (PCS and MCS are aspects of QOL assessment); EFT: enteral feeding tube; TPN: total parenteral nutrition; N: nausea; V: vomiting; PK: prokinetics; AE: antiemetics; PPF: postprandial fullness; ILM: isotope labelled meal.