ArticleCureus2025
Differing Rates of Carbapenem Resistance in Gram-Negative Bacteria Within Lower and Higher Socioeconomic Classes in Eastern India.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background Over the last 50 years, medical science has witnessed the emergence of antibacterial resistance at a concerning rate. Southeast Asia has become a leading epicenter for the development and spread of carbapenem-resistant bacterial strains. Socioeconomic background, being a major health determinant, can heavily affect this rate of antibiotic resistance. Methods This retrospective study was conducted at a 1,700-bed tertiary care facility in Kolkata, India, between October 2023 and January 2024. A total of 248 culture results from urine, sputum, blood, wound, and ascitic fluid, which showed growth of Gram-negative bacilli (GNB) and coccobacilli (GNCB) during the study period, were analyzed. Medical records were reviewed to collect demographic and clinical data. The comparison was made between two population groups based on economic status, identified by ration cards as defined by the Government of West Bengal, India. Results This study assessed the prevalence and antibiotic resistance patterns of Gram-negative bacteria in clinical samples, focusing on urine, blood, sputum, wound, and ascitic fluid. The analysis revealed that GNB were widely distributed across sample types, while GNCB showed higher prevalence in blood and ascitic fluid. Antibiotic resistance was notably prevalent among GNB, with 49 (27.5%) resistant to imipenem and 50 (28.1%) to meropenem. GNCB exhibited lower resistance, with six (14.3%) resistant to imipenem, eight (19.0%) to meropenem, and seven (16.7%) to doripenem. A comparison of carbapenem resistance (CR) between higher and lower socioeconomic classes showed no statistically significant differences, with resistance rates of 15 (41.7%) and 96 (45.3%), respectively. Further analysis of the most common isolates (
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