• Masanori Munakata, Tomomi Hattori, Fumie Kubota-Nakayama, Satoshi Konno, Nobutaka Inoue, Tomohiro Nakamura, and Atsushi Hozawa.
• Research Center for Lifestyle-related Disease, Tohoku Rosai Hospital, Japan.
• Intern. Med. 2023 Apr 15; 62 (8): 112311301123-1130.

AbstractObjective We examined whether home blood pressure (BP)-based behavioural guidance had an additional anti-albuminuric effect on school workers with the simple diagnostic provision of microalbuminuria. Methods Of 169 school staff diagnosed with microalbuminuria (30-299.9 mg/gCr) in the annual 2019 health check-up, 91 agreed to receive home-BP-based guidance. Guidance comprised, for subjects with ≥135/85 mmHg, 5 days mean of home BP measurements, or encouraging medical consultation and lifestyle guidance; lifestyle guidance for subjects with BP 125-134/80-84 mmHg; and adequate lifestyle guidance for subjects BP <125/80 mmHg, if necessary. The main outcome was a change in the frequency of microalbuminuria the following year. Subjects with menstruation were excluded from analysis. Finally, there were 48 and 43 participants in guided and the non-guided groups, respectively. Results The guided and non-guided groups demonstrated similar baseline clinical data. Their prescription rates for hypertension (39.6 vs. 41.9 %) and diabetes (18.8 vs. 30.2 %) were similar. One year later, microalbuminuria was present in 31.2% and 30.2% of the guided and non-guided groups (n.s.), respectively, suggesting a ~70% risk reduction of microalbuminuria in both groups. Sensitivity analysis, excluding patients treated for hypertension or diabetes at baseline, demonstrated essentially similar results. In conclusion, the risk reduction of microalbuminuria was nearly 70% for both the home-BP-based guidance and non-guidance groups. Conclusion These data suggest that home BP-based guidance did not increase anti-albuminuric effects on simple diagnostic provision of microalbuminuria in school workers.

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