Antibiotics (Basel, Switzerland) · 2025
Management and Outcome of Invasive Clindamycin-Resistant MRSA Community-Associated Infections in Children.
СтатьяНазвание и аннотация: Перевод в очереди
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Macias Amanda E, Stimes Grant, Kaplan Sheldon L, Vallejo Jesus G, Hulten Kristina G, McNeil J Chase
Аннотация
BACKGROUND: Clindamycin resistance among community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) complicates the management of a challenging infection. Little data exist to guide clinicians in the management of invasive clindamycin-resistant CA-MRSA infections in children and studies using oral regimens such as trimethoprim-sulfamethoxazole (TMP-SMX) and linezolid for treatment of these infections are limited. We sought to reevaluate antibiotic management among invasive CA-MRSA at a tertiary children's hospital.
METHODS: Cases of invasive clindamycin-resistant MRSA infections in children were identified through an ongoing S. aureus surveillance study. Eligible cases were those occurring in otherwise healthy children from 2011-2021. Medical records were reviewed.
RESULTS: Thirty-four subjects met inclusion criteria. The most common diagnoses were osteomyelitis (n = 17) and deep abscess (n = 7). The median duration of IV therapy was 11.5 days (IQR 6-42 days) and total therapy (IV + oral) was 32 days (IQR 23-42). Overall, 50% of patients were transitioned to oral therapy. Definitive antibiotics used for treatment included vancomycin (n = 15), TMP/SMX (n = 9), linezolid (n = 7), ceftaroline (n = 2), and doxycycline (n = 1). Cure rates were similar across definitive antibiotic therapies (vancomycin-73.3%; TMP/SMX-88.9%; ceftaroline 50%; linezolid and doxycycline-100%). Three subjects died of MRSA disease; two definitively treated with vancomycin and one with ceftaroline.
CONCLUSIONS: Vancomycin is the most commonly used agent in the treatment of invasive clindamycin-resistant CA-MRSA in children at our center. However, TMP/SMX and linezolid can be considered as oral options when completing treatment in select cases. Further work is needed to evaluate the optimal management of these infections.
METHODS: Cases of invasive clindamycin-resistant MRSA infections in children were identified through an ongoing S. aureus surveillance study. Eligible cases were those occurring in otherwise healthy children from 2011-2021. Medical records were reviewed.
RESULTS: Thirty-four subjects met inclusion criteria. The most common diagnoses were osteomyelitis (n = 17) and deep abscess (n = 7). The median duration of IV therapy was 11.5 days (IQR 6-42 days) and total therapy (IV + oral) was 32 days (IQR 23-42). Overall, 50% of patients were transitioned to oral therapy. Definitive antibiotics used for treatment included vancomycin (n = 15), TMP/SMX (n = 9), linezolid (n = 7), ceftaroline (n = 2), and doxycycline (n = 1). Cure rates were similar across definitive antibiotic therapies (vancomycin-73.3%; TMP/SMX-88.9%; ceftaroline 50%; linezolid and doxycycline-100%). Three subjects died of MRSA disease; two definitively treated with vancomycin and one with ceftaroline.
CONCLUSIONS: Vancomycin is the most commonly used agent in the treatment of invasive clindamycin-resistant CA-MRSA in children at our center. However, TMP/SMX and linezolid can be considered as oral options when completing treatment in select cases. Further work is needed to evaluate the optimal management of these infections.