Association between adhering to a dietary approach to stop hypertension and risk of colorectal cancer: a systematic review and meta-analysis.

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Tác giả: Mohammad Mehdi Abbasi, Venus Alizadeh, Paria Babaahmadi, Zahra Golkar, Mohammadsadegh Jafari, Farbod Khosravi, Hadis Hashemi Nezhad, Marieh Nouriani, Fateme Nozari, Mohammad Rahmanian, Niloufar Shabani, Hossein Soltaninejad, Zahra Tavasoli

Ngôn ngữ: eng

Ký hiệu phân loại: 553.453 Tin

Thông tin xuất bản: England : BMC gastroenterology , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 744324

BACKGROUND: Colorectal cancer (CRC) is a high incidence cancer and health problem influenced by many factors emphasizes on the importance of identifying risk factors which can be modified. A dietary approach to stop hypertension (DASH) style promotes a balanced nutrition approach that might have effects on CRC. The aim of this study was to analyze existing evidence on the DASH diet's association with CRC. METHODS: Databases, including Scopus, Web of Science, and PubMed, were searched to identify eligible studies up to March 2025. Observational studies investigating the association between adherence to the DASH diet and CRC were included. Effect sizes (ESs) and their confidence intervals (CIs) from fully adjusted models were extracted for the meta-analysis. A random-effects model was employed to calculate the combined ES and assess the relationship between the DASH diet and CRC. The publication bias was assessed using Egger's test and heterogeneity between studies was examined using the I RESULTS: Fourteen studies were included in this study. Adherence to DASH diet reduced CRC risk (RR = 0.81, 95% CI: 0.73-0.89). Subgroup analyses found consistent effects across cohorts and various factors, with no publication bias. For rectal cancer (RC), adherence to DASH dietary pattern reduced risk of RC (RR = 0.75, 95% CI: 0.66-0.86), particularly in males and cohort studies. Colon cancer risk was also reduced (RR = 0.83, 95% CI: 0.79-0.88), with stronger effects in males and cohort studies. For colorectal adenoma, DASH showed a significant risk reduction (RR = 0.42, 95% CI: 0.22-0.80). CONCLUSIONS: Our results highlight that following the DASH diet has a significant effect on lowering the risk of CRC which aligns with previous research. These findings support recommendation of following the DASH diet pattern reduces the burden of CRC. PROSPERO, registration ID: CRD42024569140.
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