The Effect of Nutrition Education on Intradialytic Weight Gain in Haemodialysis Patients: Systematic Review and Meta-Analysis.
Sevda Tüzün Özdemir, Zekiye Karaçam, Öznur Usta Yeşilbalkan
PMID 40843984WHAT IT FOUND
Structured nutrition education reduced intradialytic weight gain by 0.42 kg in haemodialysis patients.
The benefit was strongest at one to four months and faded by five to six months, so nurses should schedule booster sessions rather than relying on a single teaching event.
Key findings
01Nutrition education produced a statistically significant reduction in intradialytic weight gain of 0.42 kg compared with control groups.
02The effect on weight gain was significant at one to two months and three to four months but not at five to six months.
03Education also significantly reduced systolic and diastolic blood pressure and improved self-efficacy and quality of life scores.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
High heterogeneity was observed among the included studies due to differences in study design, population characteristics, and intervention protocols. Significant publication bias was detected in the analysis of intradialytic weight gain data. The included studies varied widely in the type of education delivered, from e-mail and mobile apps to face-to-face counselling, making it difficult to recommend a specific format. The effect on weight gain was not sustained at 5-6 months, suggesting long-term efficacy is uncertain.
Declared interests
The authors declared no conflicts of interest. The study was not funded by a commercial sponsor.
The easy way to misread this
Do not assume a one-time education session is enough. The meta-analysis shows the benefit on weight gain disappears by 5-6 months, so a single intervention will not sustain control over time.