Quantifying economic returns to guide antimicrobial stewardship scale-up policy in low-resource settings
Lee, J.-S.; Karki, K.; Santisouk, P.; Yum, Y.; Choi, W.; Amatya, R.; Jaiswal, B.; Jang, G.; Lee, J.; Souvanhnavong, P.; Salodchanar, K.; Thapa, S.; Khathtiyavong, N.; Singh, N. K.; Phanthavong, S.; Manivanh, L.; Tandukar, U.; Phetsouvanh, R.; Bajracharya, D. C.; Vaidya, K. M.; Detleuxay, K.; Shrestha, S.; Dittaphong, V.; Sharma, N.; Marks, F.
Show abstract
Antimicrobial resistance is a growing threat to health systems, but stewardship programs must compete for funding with many urgent health priorities in low- and middle-income countries. Evidence that quantifies not only effectiveness but also economic value is therefore essential for policy and budget decisions. We evaluated targeted antimicrobial stewardship programs in four tertiary hospitals in Nepal and Laos using interrupted time-series analyses of antibiotic use, combined with micro-costing to estimate benefit-cost ratios. Stewardship was associated with immediate reductions in antibiotic use across the three Nepal hospitals, whereas effects in Laos were more heterogeneous. Economic returns were positive across sites, with the largest returns observed in the private hospital in Nepal. Here, we show that pragmatic, ward-focused stewardship can reduce antibiotic use and generate measurable economic value in resource-constrained hospital settings, supporting its prioritization as a scalable investment for antimicrobial resistance control.
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