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• W2118064222 abstract "Background Gastroparesis, a state of delayed gastric emptying in the absence of mechanical obstruction of the stomach, has a substantial impact on people's daily function and quality of life when symptomatic. Current treatment options are based on limited evidence of benefits. Acupuncture is widely used to manage gastrointestinal disorders, although its role in people with symptomatic gastroparesis is unclear. We therefore undertook a systematic review of the evidence. Objectives To assess the benefits and harms of acupuncture, in comparison with no treatment, sham acupuncture, conventional medicine, standard care, or other non‐pharmacological active interventions for symptom management in people with gastroparesis. Search methods On 26 March 2018, we searched the Cochrane Neuromuscular Specialised Register, CENTRAL, MEDLINE, Embase, CINAHL Plus, PsycINFO, AMED, Korean medical databases (including Korean Studies Information, DBPIA, Korea Institute of Science and Technology Information, Research Information Centre for Health Database, KoreaMed, and the National Assembly Library), and Chinese databases (including the China Academic Journal). We also searched two clinical trials registries for ongoing trials. We imposed no language limitations. Selection criteria We selected all randomised controlled trials comparing the penetrating type of acupuncture with no treatment, sham acupuncture, conventional medicine, standard care, and other non‐pharmacological active interventions for people with symptomatic gastroparesis of any aetiology (i.e. surgical, diabetic, or idiopathic). Trials reporting outcomes at least four weeks from baseline (short‐term outcomes) were eligible. We defined long‐term outcomes as those measured after 12 weeks from baseline. The primary outcome was improvement of gastroparesis symptoms in the short term. Secondary outcomes were: improvement of symptoms measured after three months, change in the rate of gastric emptying, quality of life, use of medication, and adverse events in the short and long term. Data collection and analysis Two review authors independently selected eligible trials based on predefined selection criteria. Two review authors independently extracted data and evaluated the risk of bias. The review authors contacted investigators to obtain missing information wherever possible. Main results We included 32 studies that involved a total of 2601 participants. Acupuncture was either manually stimulated (24 studies) or electrically stimulated (8 studies). The aetiology of gastroparesis was diabetes (31 studies) or surgery (1 study). All studies provided data on the proportion of people with symptoms 'improved', although the definition or categorisation of improvement varied among the studies. Most measured only short‐term outcomes (28 studies), and only one study employed validated instruments to assess subjective changes in symptoms or reported data on quality of life or the use of medication. Reporting of harm was incomplete; minor adverse events were reported in only seven trials. Most studies had unclear risk of bias in terms of allocation concealment (29/32), outcome assessor blinding (31/32) and selective reporting (31/32), as well as high risk of bias in terms of participant/personnel blinding (31/32). Acupuncture was compared with sham acupuncture (needling on non‐acupuncture points), three different types of gastrokinetic drugs (domperidone, mosapride, cisapride), and a histamine H₂ receptor antagonist (cimetidine). There was low‐certainty evidence that symptom scores of participants receiving acupuncture did not differ from those of participants receiving sham acupuncture at three months when measured by a validated scale. There was very low‐certainty evidence that a greater proportion of participants receiving acupuncture had 'improved' symptoms in the short term compared to participants who received gastrokinetic medication (4 to 12 weeks) (12 studies; 963 participants; risk ratio (RR) 1.25; 95% confidence interval (CI) 1.17 to 1.33, I² = 8%). Short‐term improvement in overall symptom scores favouring acupuncture was also reported in five studies with considerable heterogeneity. Acupuncture in combination with other treatments, including gastrokinetics, non‐gastrokinetics and routine care, was compared with the same treatment alone. There was very low‐certainty evidence in favour of acupuncture for the proportion of participants with 'improved' symptoms in the short term (4 to 12 weeks) (17 studies; 1404 participants; RR 1.22; 95% CI 1.16 to 1.28; I² = 0%). Short‐term improvement in overall symptom scores, favouring acupuncture, were also reported (two studies, 132 participants; MD ‐1.96, 95% CI ‐2.42 to ‐1.50; I² = 0%). Seven studies described adverse events, including minor bleeding and hematoma, dizziness, xerostomia, loose stool, diarrhoea, abdominal pain, skin rash and fatigue. The rest of the trials did not report whether adverse events occurred. Subgroup analyses revealed that short‐term benefits in terms of the proportion of people with 'improved' symptoms did not differ according to the type of acupuncture stimulation (i.e. manual or electrical). The sensitivity analysis revealed that use of a valid method of random sequence generation, and the use of objective measurements of gastric emptying, did not alter the overall effect estimate in terms of the proportion of people with 'improved' symptoms. The asymmetric funnel plot suggests small study effects and publication bias towards positive reporting. Authors' conclusions There is very low‐certainty evidence for a short‐term benefit with acupuncture alone or acupuncture combined with gastrokinetic drugs compared with the drug alone, in terms of the proportion of people who experienced improvement in diabetic gastroparesis. There is evidence of publication bias and a positive bias of small study effects. The reported benefits should be interpreted with great caution because of the unclear overall risk of bias, unvalidated measurements of change in subjective symptoms, publication bias and small study reporting bias, and lack of data on long‐term outcomes; the effects reported in this review may therefore differ significantly from the true effect. One sham‐controlled trial provided low‐certainty evidence of no difference between real and sham acupuncture in terms of short‐term symptom improvement in diabetic gastroparesis, when measured by a validated scale. No studies reported changes in quality of life or the use of medication. Due to the absence of data, no conclusion can be made regarding effects of acupuncture on gastroparesis of other aetiologies. Reports of harm have remained largely incomplete, precluding assessments of the safety of acupuncture in this population. Future research should focus on reducing the sources of bias in the trial design as well as transparent reporting. Harms of interventions should be explicitly reported." @default.
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• W2118064222 date "2018-12-18" @default.
• W2118064222 modified "2023-10-18" @default.
• W2118064222 title "Acupuncture for symptomatic gastroparesis" @default.
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• W2118064222 doi "https://doi.org/10.1002/14651858.cd009676.pub2" @default.
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