SynthesisNutrients2021
Effect of Postoperative Coffee Consumption on Postoperative Ileus after Abdominal Surgery: An Updated Systematic Review and Meta-Analysis.
Synthesis in Nutrients, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 4 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
22 citing papers in PubMed, 4 syntheses or guidelines pooled it, 31 citations in OpenAlex.
- Effect of postoperative coffee consumption on gastrointestinal function after cesarean section, a systematic review and meta-analysis of randomized controlled trials.BMC public health · 2026Pooled it
- Efficacy of non-pharmacological interventions for the restoration of postoperative intestinal motility of patients with colorectal cancer: a systematic review and meta-analysis of randomized controlled trials.International journal of colorectal disease · 2025Pooled it
- Efficacy and safety of therapeutic means for postoperative ileus: an umbrella review of meta-analyses.Langenbeck's archives of surgery · 2025Pooled it
- Gum Chewing and Coffee Consumption but not Caffeine Intake Improve Bowel Function after Gastrointestinal Surgery: a Systematic Review and Network Meta-analysis.Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2023Pooled it
- Bacillus coagulans TBC169 probiotics for intestinal function recovery after gynecological open surgery: a randomized, double-blind, placebo-controlled trial.International journal of clinical pharmacy · 2025Trial
- Bacillus coagulans TBC169 probiotics for the recovery of intestinal function after gynecological laparoscopic surgery: a randomized, placebo-controlled trial.International journal of clinical pharmacy · 2022Trial
- Article
- Coffee Intake to Enhance Gastrointestinal Recovery Following Cesarean Delivery.Maternal-fetal medicine (Wolters Kluwer Health, Inc.) · 2026Article
- Improving Compliance and Satisfaction With Quality Coffee Intake to Enhance Bowel Recovery After Colorectal Surgery: A Feasibility Study.Health science reports · 2026Article
- Article
- Multidisciplinary Postoperative Ileus Management: A Narrative Review.Medicina (Kaunas, Lithuania) · 2025Review
- Article
- HardtankFrontiers in chemistry · 2025Article
- Article
- Impact of Green Tea Consumption on Postoperative Ileus in Colon Cancer Patients: A Pilot Randomized Controlled Trial.Cureus · 2024Article
- Review
- Article
- Article
- Article
- Principles of enhanced recovery in gastrointestinal surgery.Langenbeck's archives of surgery · 2022Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPrevious systematic reviews have not clarified the effect of postoperative coffee consumption on the incidence of postoperative ileus (POI) and the length of hospital stay (LOS). We aimed to assess its effect on these postoperative outcomes.
methodsStudies evaluating postoperative coffee consumption were searched using electronic databases until September 2021 to perform random-effect meta-analysis. The quality of evidence was assessed using the Cochrane risk-of-bias tool. Caffeinated and decaffeinated coffee were also compared.
resultsThirteen trials (1246 patients) and nine ongoing trials were included. Of the 13 trials, 6 were on colorectal surgery, 5 on caesarean section, and 2 on gynecological surgery. Coffee reduced the time to first defecation (mean difference (MD) -10.1 min; 95% confidence interval (CI) = -14.5 to -5.6), POI (risk ratio 0.42; 95% CI = 0.26 to 0.69); and LOS (MD -1.5; 95% CI = -2.7 to -0.3). This trend was similar in colorectal and gynecological surgeries. Coffee had no adverse effects. There was no difference in POI or LOS between caffeinated and decaffeinated coffee (
conclusionThis review showed that postoperative coffee consumption, regardless of caffeine content, likely reduces POI and LOS after colorectal and gynecological surgery.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.