Chlorhexidine gluconate effectively disinfects and minimizes bacterial growth
Extensive clinical and laboratory evidence demonstrates that chlorhexidine gluconate effectively disinfects skin, catheters, and root canals, though some studies note limitations regarding cytotoxicity and biofilm penetration in specific wound environments.
The retrieved papers overwhelmingly demonstrate the efficacy of chlorhexidine gluconate (CHG) in reducing bacterial populations, disinfecting surgical sites, managing catheters, and acting as an antimicrobial agent across various clinical and laboratory settings (Papers 0, 1, 3, 4, 6, 8, 9, 11). While Paper 5 highlights important limitations regarding cytotoxicity and reduced long-term efficacy in wound models, the vast body of high-quality clinical trials, systematic reviews, and experimental studies support the claim that CHG effectively disinfects and minimizes bacterial growth.
Chieko Nishimura. Comparison of the Antimicrobial Efficacy of Povidone-Iodine, Povidone-Iodine-Ethanol and Chlorhexidine Gluconate-Ethanol Surgical Scrubs. 2006. https://doi.org/10.1159/000089195
Chlorhexidine gluconate combined with ethanol demonstrated significant antiseptic effects and reduced bacterial counts on hands.
J Z Alex Cheong, Aiping Liu, Clayton J Rust, Collin L Tran, Sameeha E Hassan, Lindsay R Kalan, Angela L F Gibson. Robbing Peter to Pay Paul: Chlorhexidine gluconate demonstrates short-term efficacy and long-term cytotoxicity.. 2022. https://doi.org/10.1111/wrr.13044
Chlorhexidine gluconate demonstrated significant short-term antimicrobial efficacy but also notable cytotoxicity and limited long-term effectiveness within wound tissue models.
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Elizabeth A. Maxwell, R. Avery Bennett, Mark A. Mitchell. Efficacy of application of an alcohol-based antiseptic hand rub or a 2% chlorhexidine gluconate scrub for immediate reduction of the bacterial population on the skin of dogs. 2018. https://doi.org/10.2460/ajvr.79.9.1001
Chlorhexidine gluconate scrub significantly decreased skin bacterial colony counts on dogs.
Huilin Xu, Min Zhu, Shenghong Xu, Lanzheng Bian. Improving central venous catheter care with chlorhexidine gluconate dressings: evidence from a systematic review and Meta-analysis.. 2024. https://doi.org/10.1186/s41043-024-00672-7
Chlorhexidine gluconate dressings demonstrated a statistically significant reduction in central venous catheter-related bloodstream infections and bacterial colonization.
Anukriti Dimri, Nikhil Srivastava, Vivek Rana, Noopur Kaushik. Efficacy of different endodontic irrigants in the lesion sterilization and tissue repair technique in primary molars: A randomized controlled clinical trial.. 2024. https://doi.org/10.4103/jisppd.jisppd_262_24
Chlorhexidine gluconate showed high clinical success and efficacy as an endodontic irrigant in reducing bacterial infection.
Meghann Gallouche, Brice Rubens-Duval, Sandrine Boisset, Morgane Margotton, Yvan Caspar, Marion Le Maréchal, Jean-Luc Bosson, Pascal Astagneau, Aurélie Gauchet, Caroline Landelle. Evaluation of microbiological efficacy of 2% chlorhexidine gluconate cloths versus 4% chlorhexidine gluconate soap for preoperative preparation/shower in total joint arthroplasty: a single-centre randomised controlled trial.. 2025. https://doi.org/10.1186/s13756-025-01661-z
Chlorhexidine gluconate cloths and soaps achieved substantial reductions in skin bacterial colonization during preoperative preparation.
M Hayashi, K Kawamura, M Matsui, M Suzuki, S Suzuki, K Shibayama, Y Arakawa. Reduction in chlorhexidine efficacy against multi-drug-resistant Acinetobacter baumannii international clone II.. 2017. https://doi.org/10.1016/j.jhin.2016.12.004
Chlorhexidine gluconate at practical use concentrations effectively reduced viable bacterial cell counts for multi-drug-resistant isolates.
G Mulberrry, A T Snyder, J Heilman, J Pyrek, J Stahl. Evaluation of a waterless, scrubless chlorhexidine gluconate/ethanol surgical scrub for antimicrobial efficacy.. 2001. https://doi.org/10.1067/mic.2001.118842
A waterless surgical hand preparation containing chlorhexidine gluconate produced significant immediate and persistent reductions in normal bacterial flora.
Era A Izano, Suhagi M Shah, Jeffrey B Kaplan. Intercellular adhesion and biocide resistance in nontypeable Haemophilus influenzae biofilms.. 2009. https://doi.org/10.1016/j.micpath.2009.01.004
Chlorhexidine gluconate effectively kills bacteria when biofilms are disrupted, validating its role as an antiseptic control.
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