|
| Study | Follow-up | Measure | Outcome at 12 months (unless otherwise stated) |
|
|
Forster et al., 2001 [9] | 12 M | Symptoms | Significant improvement in N and V |
| GE | No significant improvement |
|
|
Abell et al., 2002 [10] | 3 M | Symptoms | MVF: 21 to 0; MNF: 21 to 2 |
| GE | No significant improvement |
| 12 M | Symptoms | WVF down to average 90%; WNF: 28 to 1 |
| GE | No significant improvement reported |
| Medication | Significant decrease in use of AE/PK; patients requiring none rose 5 to 14 |
|
|
Abell et al., 2003 [22] |
2 M | Symptoms | WVF in combined group (all patients) significantly reduced |
|
12 M | Symptoms | WNF down to 64% baseline in combined group |
| GE | 78% to 56% 2-hour retention of ILM (); 46% to 16% 4-hour retention of ILM () |
| Quality of life | PCS: 25.8 to 32.4; MCS: 36.1 to 45.1 (combined group) |
| Nutrition | 9 out of 14 discontinued nutrition |
|
|
Abell et al., 2003 [26] |
60 M | Symptoms | Mean TSS scores: 35.6 to 16.6; at 60 M TSS score mean at 20.3 (), WVS: 3.9 to 1.4 () |
| Quality of life | Overall score increased by mean 2.1 points by 60 M |
|
|
Forster et al., 2003 [27] |
12 M | Symptoms | TSS severity mean: 20 to 9.1; frequency mean: 21 to 10 |
| Quality of life | MCS: 37 to 48; PCS: 24 to 33 |
| GE | No change |
| BMI | BMI and body weight increased significantly |
|
|
Lin et al., 2004 [23] |
12 M | Symptoms | TSS severity mean: 17.6 to 7.9; frequency mean: 18.5 to 8.9 () |
| GE | No significant change (significance seen at 6 M) |
| Quality of life | MCS: 36.9 to 46; PCS: 23.8 to 33.5 () |
| Days in hospital | Mean hospital stay reduced by 52 days compared to the prior year |
|
|
McCallum et al., 2005 [17] |
12 M | Symptoms | TSS severity: 17.1 to 8.6; frequency: 19.2 to 9.89 () |
| GE | No significant change |
| Quality of life | PCS: 28.6 to 37.7; MCS: 39.7 to 49.6 () |
| Days in hospital | Reduced by a mean of 25 days compared to the prior year |
|
|
van der Voort et al., 2005 [18] |
12 M | Symptoms | WVF: 26 to 4; WNF: 34 to 12 () |
| GE | 2-hour retention of ILM: 83 to 25%; 4-hour retention of ILM: 38 to 17% () |
|
|
Lin et al., 2005 [24] |
12 M | Symptoms | On PK: TSS: 18.1 to 7.4; off PK: TSS: 17 to 2.6 |
| | On AE: TSS: 19.1 to 9.9; off AE: TSS: 17.7 to 5 |
| Quality of life | On medication at follow-up: PCS: 21.3 to 33.8; MCS: 36.4 to 50.2 |
| Days in hospital | 50 to 14.9 patients had no admissions |
| Medication | Patients requiring PK reduced from 27 to 19; patients requiring AE reduced from 26 to 17 |
|
|
Mason et al., 2005 [33] | 20 M | Symptoms | No significance reported |
| GE | Rate of emptying: 0.17% to 0.38% per minute () |
|
|
Lin et al., 2006 [25] |
36 M | Symptoms | TSS: 21 to 6 () |
| Days in hospital | 31 to 5 () |
| Medication | Medication use significantly reduced |
| Nutrition | Patients requiring nutrition reduced from 15 to 8 () |
|
|
Anand et al., 2007 [28] |
48 M | Symptoms | TSS: 15.6 to 10.9; WVF down to 62%; WNF down to 59%, by 4 years |
| GE | 2-hour retention of ILM: 55 to 42%; 4-hour retention of ILM: 26 to 17% by 4 Y |
| Survival | No significant differences in survival |
| Quality of life | IDIOMS score from 16.3 to 10.6 () |
|
|
Lin et al., 2008 [12] |
12 M | Symptoms | TSS decreased from 19.9 to 9.1 () |
| GE | 2-hour ILM retention: 73% to 63%; 4-hour retention from 46% to 34% (); N and V correlate with GE |
|
|
McKenna et al., 2008 [15] |
9.5 M | Symptoms | TSS: 17.1 to 7.7; DG: 16.9 to 5.6 () |
| GE | No significant change reported |
| Quality of life | No significant change |
|
|
Brody et al., 2008 [13] | 12 M | Symptoms | TSS severity: 19.05 to 14.05; frequency: 20.39 to 15.71 |
| GE | 2-hour retention of ILM: 66% to 50% () |
|
|
McCallum et al., 2010 [16] |
3 M | Symptoms | No significant findings |
|
12 M | Symptoms | WVF: 19.5 to 4.25; TSS frequency: 18.74 to 11.95; severity: 17.08 to 10.69 |
| GE | 2-hour retention: 76.5 to 51%; 4-hour retention of ILM: 46.5 to 20.5% |
| Quality of life | MCS: 29.53 to 36.43; PCS: 33.53 to 40.35 |
| Days in hospital | 40 to 10 |
|
|
McCallum et al., 2011 [29] | 56 M | Symptoms | TSS: 19.4 to 9.2; DG: 19.8 to 8.7; IG: 18.6 to 9.7; PSG: 19.1 to 10.9 at 56 M |
| GE | 2-hour retention: 70 to 66%; 4-hour retention of ILM: 37 to 30% at 56 M |
|
|
O’Loughlin et al., 2013 [30] | 14 M | Symptoms | Total GCSI from 13.4 to 6.6 |
| GE | Correlation between GCSI and preoperative gastric emptying |
| Medication | Significance not reported |
|
|
McCallum et al., 2013 [19] |
12 M | Symptoms | WVF and TSS reduction between ON and OFF not significant |
| TSS frequency score from 21.74 ± 1.75 to 13 ± 7.92; |
| TSS severity score from 18.75 ± 6.34 to 10.26 ± 7.09; |
| TSS reduction for epigastric pain and burning not significant |
| GE | 2 hr ILM retention reduction from 63.5% to 49% (); 4 hr ILM reduction from 26% to 16.5% () |
| Median from 2 to 0 () |
| Days in hospital | 26.96 to 24.74 () |
| BMI | PCS from 32.66 ± 8.8 to 37.86 ± 13.28 (); MCS: 34.11 ± 11.67 to 41.27 ± 12.29 (); PF, VT |
| Quality of life | SF, MH, and RP |
|
|
Ross et al., 2014 [32] | 6 M | Quality of life | Improvement in overall GSRS score, |
| Median MHC score from 29.15 to 46.6, |
| Median PHC score from 28.5 to 31.1, |
|
|
Brody et al., 2015 [14] | 12 M | Symptoms | TSS functional from 3.2 ± 0.6 to 2.4 ± 0.8; |
| TSS pain from 2.8 ± 0.8 to 2.1 ± 0.8; |
|
