Resistencia antibiótica del Propionibacterium acnes en pacientes tratados por acné vulgar en Málaga

Prevalence of antibiotic-resistant Cutibacterium acnes (formerly Propionibacterium acnes) isolates, A systematic review and meta-analysis

OBJECTIVE

This study aimed to assess the overall antibiotic susceptibility of Cutibacterium acnes (C. acnes), a bacterium implicated in acne vulgaris, with a particular focus on clindamycin and fluoroquinolones, which are commonly used in inflammatory acne treatment.

METHODS

A systematic search of Scopus, PubMed, Web of Science, and EMBASE databases was conducted to identify relevant studies. Pooled prevalence estimates were calculated using a random-effects model, and additional analyses included quality assessment, evaluation of publication bias, meta-regression, and subgroup analyses based on antimicrobial susceptibility methods and year of publication.

RESULTS

The analysis incorporated a total of 39 studies. The random-effects model revealed that the proportion of clindamycin-resistant isolates was 0.031 (95% CI: 0.014-0.071). Additionally, macrolides, including erythromycin (0.366; 95% CI, 0.302-0.434) and azithromycin (0.149; 95% CI, 0.061-0.322), exhibited distinct prevalence rates. Tetracyclines, including doxycycline (0.079; 95% CI, 0.014-0.071), tetracycline (0.062; 95% CI, 0.036-0.107), and minocycline (0.025; 95% CI, 0.012-0.051), displayed varying prevalence estimates. Fluoroquinolones, including ciprofloxacin (0.050; 95% CI, 0.017-0.140) and levofloxacin (0.061; 95% CI, 0.015-0.217), demonstrated unique prevalence rates. Additionally, the prevalence of the combination antibiotic trimethoprim/sulfamethoxazole (SXT) was estimated to be 0.087 (95% CI: 0.033-0.208).

CONCLUSION

The study findings highlight a concerning increase in antimicrobial-resistant C. acnes with the use of antibiotics in acne treatment. The strategic utilization of appropriate antimicrobials has emerged as a crucial measure to mitigate the emergence of antimicrobial-resistant skin bacteria in acne management.

Nanomedicine-fortified cosmeceutical serums for the mitigation of psoriasis and acne

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Cutibacterium Acnes Tetracycline Resistance Profile in Patients with Acne Vulgaris, in a Colombian Dermatologic Center

INTRODUCTION

Acne is a chronic inflammatory disease, in which different events intervene in its pathogenesis, one of which is Cutibacterium acnes (C. acnes). Resistance of this bacteria to different antimicrobials used in treatment has been described in different regions of the world. The purpose of the study is to estimate the resistance of C. acnes to cyclins in patients with moderate and severe acne over 18 years of age.

MATERIALS AND METHODS

An analytical cross-sectional study was carried out. Samples were taken from inflammatory lesions with a comedone extractor. The content of the samples was incubated in an anaerobic atmosphere to grow C. acnes. Finally, the susceptibility of C. acnes to tetracycline, minocycline and doxycycline was determined.

RESULTS

Samples were taken from 147 patients, of which 129 showed growth of C. acnes, finding that 5.43% of the strains were resistant to tetracycline, 5.43% to doxycycline, 0.78% to minocycline and cross resistance between doxycycline and tetracycline in all the cases. An association was found between resistance and being 25 years of age or older. No association was found with the prior use of antibiotics, a history of misuse of oral or topical antibiotics, and other demographic and clinical characteristics evaluated.

CONCLUSIONS

The resistance found of C. acnes to cyclines was lower than that reported in other studies. Although no relationship was found with the previous use of antibiotics, it is a factor described in previous studies, which is why the proper use of antibiotics is imperative to avoid the appearance of resistance.

In vitro antimicrobial susceptibility of Propionibacterium acnes isolated from acne patients in northern Mexico

BACKGROUND

Antimicrobials are essential in acne therapy. In the last decades, Propionibacterium acnes has become resistant to different antibiotics.

OBJECTIVE

To determine antimicrobial susceptibility patterns of P. acnes to frequently used drugs.

MATERIALS AND METHODS

Cutaneous lesion samples were obtained from 50 patients with acne vulgaris, which were cultured in anaerobic media to demonstrate the presence of P. acnes. After that, antimicrobial susceptibility tests to tetracycline, minocycline, doxycycline, erythromycin, azithromycin, clindamycin, trimethoprim/sulfamethoxazole (SXT) and levofloxacin were performed.

RESULTS

In the general study group, resistance to azithromycin was 82%, the most prevalent one (P < 0.05), followed by trimethoprim/sulfamethoxazole (68%) and erythromycin (46%). On the other hand, all strains isolated were susceptible to minocycline. Resistance bias were similar when subgroups with and without the previous antimicrobial therapy were performed, finding a low prevalence of resistance to tetracyclines and levofloxacin in both groups.

CONCLUSIONS

In our region, P. acnes is highly resistant to azithromycin, SXT, erythromycin and clindamycin; and being very susceptible to minocycline, levofloxacin and tetracycline, in vitro in both groups: with and without the previous antibiotic use. To our knowledge, high resistance prevalence to azithromycin and SXT has never been reported.