Efficacy of chemical dosing methods for isolating nontuberculous mycobacteria from water supplies of dialysis centers

Carson, Loretta A.; Cusick, L B; Bland, Lee A.; Favero, Martin S.

doi:10.1128/aem.54.7.1756-1760.1988

Cited by 37 publications

(18 citation statements)

References 27 publications

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“…Carson et al . found that 55% of incoming city water in hemodialysis centers throughout the USA contained rapidly growing mycobacteria . Thus, it seems logical that NTM infections are acquired by environmental exposure rather than by person‐to‐person spread as in tuberculous infections.…”

Section: Resultsmentioning

confidence: 99%

Cutaneous non‐tuberculous mycobacterial infections

Lamb

Dawn

2014

Int J Dermatology

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Mycobacteria cause a range of diseases in both immunocompetent and immunosuppressed individuals and may affect many different organs. The most noticeable recent change in patterns of cutaneous mycobacterial infection refers to the increase in non-tuberculous mycobacterial (NTM) infections. This review focuses on the clinical manifestations, diagnosis, and treatment of cutaneous NTM infections. The MEDLINE, PubMed, and Cochrane Library databases were searched using the keywords "non-tuberculous mycobacteria," "atypical mycobacteria," and "mycobacteria other than tubercle bacilli". Publications on cutaneous NTM infections written in English were included in this review. Literature published by the World Health Organization was examined for further material. References in review articles were screened for other studies not already identified. The clinical features, diagnosis, and treatment of NTM infections were reviewed. Cutaneous mycobacterial disease may take many guises and may appear benign in nature. Chronic cutaneous lesions at the sites of trauma or surgical procedures, especially those that fail to respond to standard antibiotic therapy, should prompt the consideration of mycobacterial disease. The lack of rapid techniques for the identification of pathogens makes diagnosis challenging. The lack of randomized controlled trials on the efficacy of antimicrobial agents means that empiric therapy may fail, necessitate prolonged combinations of antibiotics, and increase the probability of side effects and diminished compliance.

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Section: Resultsmentioning

confidence: 99%

Cutaneous non‐tuberculous mycobacterial infections

Lamb

Dawn

2014

Int J Dermatology

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“…One study by Carson et al. showed that these species of RGM are commonly seen in municipal tap water (1), but a broad survey of the existence of RGM in the Japanese environment has not been reported. Our patient's house contained a well and she used the water from it for laundering.…”

Section: Discussionmentioning

confidence: 99%

A Case Report of Mycobacterium Abscessus Peritonitis in a Peritoneal Dialysis Patient

et al. 2007

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Peritonitis due to nontuberculous mycobacterium in peritoneal dialysis (PD) patients is rare. However, when it occurs, PD catheter removal is required in most cases because of resistance to antibiotic therapy. We report a case of Mycobacterium abscessus peritonitis subsequent to tunnel infection after PD catheter-replacement surgery. The patient underwent this surgery as her tunnel infection had not resolved following the usual 3 month course of antibiotic therapy. After surgery, tunnel infection of the second catheter and peritonitis occurred. Nontuberculous mycobacteria were detected on acid-fast stain from both the old and new exit-site drainage and the peritoneal effluent. The mycobacteria were identified as M. abscessus. Removal of the new catheter and surgical excision of the previous catheter tunnel were performed and multiple antibiotics were started. After 3 months the postsurgical wounds had healed completely. This case demonstrates the importance of further evaluation of unidentified PD catheter-related infections, including an examination for nontuberculous mycobacterium.

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“…Yet, some other species, e.g. rapidly growing mycobacteria, may be reduced 100-fold by 1.25% oxalic acid in only 10 rnin (Carson et al 1988). Only scant information is available on the survival of mycobacteria after H,S04 treatment.…”

Section: Discussionmentioning

confidence: 99%

Isolation of mycobacteria from acidic forest soil samples: comparison of culture methods

Livanainen¹

1995

Journal of Applied Bacteriology

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To evaluate which combination of decontamination method and medium is most reliable when examining acidic, organic forest soils for mycobacteria, three decontamination methods and five media supplemented with cycloheximide were compared.Before decontamination, the samples were incubated at 37°C for 5 h to allow germination of microbial spores. T h e recovery of mycobacteria was significantly influenced both by the method and by medium. Decontamination with N a O H or H2S04 both combined with malachite green and cycloheximide yielded higher viable counts of mycobacteria than decontamination with N a O H followed by oxalic acid. Egg media at p H 5.5 resulted in lower mycobacterial counts than egg media at p H 6.5 or Mycobacteria 7H11 agar. T h e numbers of slopes totally free of contaminants revealed Mycobacteria 7H11 agar medium to be more prone to contamination than the four egg media tested. T h e highest counts of mycobacteria and a low rate of contamination were obtained when decontamination with NaOH-malachite green-cycloheximide was combined with culture on glycerol and cycloheximide supplemented egg medium at p H 6.5.

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Efficacy of chemical dosing methods for isolating nontuberculous mycobacteria from water supplies of dialysis centers

Cited by 37 publications

References 27 publications

Cutaneous non‐tuberculous mycobacterial infections

Cutaneous non‐tuberculous mycobacterial infections

A Case Report of Mycobacterium Abscessus Peritonitis in a Peritoneal Dialysis Patient

Isolation of mycobacteria from acidic forest soil samples: comparison of culture methods

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