{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T04:36:20Z","timestamp":1788237380800,"version":"build-2803163510"},"reference-count":34,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2021,10,11]],"date-time":"2021-10-11T00:00:00Z","timestamp":1633910400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,2,18]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Lung transplant recipients are at increased risk for acquiring nontuberculous mycobacteria (NTM), but the clinical significance of NTM isolation, particularly among patients not meeting guideline-endorsed diagnostic criteria for NTM pulmonary disease, is unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A case-control study of lung transplant recipients culture-positive for NTM at a large transplant center during a 7-year period (2013-2019) was performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty-nine cases were matched 1:2 to non-NTM controls. The median time to NTM isolation was 10.7 months post transplant. Only 34.5% of all cases, and half of treated cases, met diagnostic criteria for NTM pulmonary infection. All-cause mortality at 12 months was numerically higher among NTM cases versus controls (20.7% vs 8.6%, P = 0.169); however, no deaths were attributed to NTM. No increase in the 12-month rate of acute rejection was observed (27.6% vs 36.2%, P = 0.477). Recent augmented immunosuppression was associated with increased odds of NTM isolation, while azithromycin prophylaxis was associated with reduced odds of NTM isolation and was not associated with macrolide resistance. Both adverse events and actual or potential drug-drug interactions occurred in more than 90% of treated cases; these events included ocular toxicity, hearing loss, and supratherapeutic calcineurin inhibitor concentrations. Eight of the 14 treated cases (57.1%) required early antibiotic discontinuation due to adverse events or drug-drug interactions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Among lung transplant recipients, most patients with NTM isolation did not meet guideline criteria for infection and had outcomes similar to non\u2012NTM-infected patients, which may reflect transient lung colonization by NTM rather than true disease. As adverse events are common with NTM therapy, limiting unnecessary antibiotic treatment represents an area for future antimicrobial stewardship efforts.<\/jats:p><\/jats:sec>","DOI":"10.1093\/ajhp\/zxab389","type":"journal-article","created":{"date-parts":[[2021,10,11]],"date-time":"2021-10-11T18:31:31Z","timestamp":1633977091000},"page":"338-345","source":"Crossref","is-referenced-by-count":8,"title":["Outcomes of nontuberculous mycobacteria isolation among lung transplant recipients: A matched case-control with retrospective cohort study"],"prefix":"10.1093","volume":"79","author":[{"given":"Razelle","family":"Grimes","sequence":"first","affiliation":[{"name":"Department of Pharmacy Services, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lauren","family":"Cherrier","sequence":"additional","affiliation":[{"name":"Department of Pharmacy Services, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, and Division of Transplant Pulmonology, Norton Thoracic Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aasya","family":"Nasar","sequence":"additional","affiliation":[{"name":"Department of Pharmacy Services, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, and Division of Transplant Pulmonology, Norton Thoracic Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael D","family":"Nailor","sequence":"additional","affiliation":[{"name":"Department of Pharmacy Services, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rajat","family":"Walia","sequence":"additional","affiliation":[{"name":"Division of Transplant Pulmonology, Norton Thoracic Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kellie J","family":"Goodlet","sequence":"additional","affiliation":[{"name":"Department of Pharmacy Practice, Midwestern University College of Pharmacy, Glendale, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2021,10,11]]},"reference":[{"key":"2022021809584780500_CIT0001","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1128\/CMR.9.2.177","article-title":"Epidemiology of infection by nontuberculous mycobacteria","volume":"9","author":"Falkinham","year":"1996","journal-title":"Clin Microbiol Rev"},{"key":"2022021809584780500_CIT0002","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1007\/s10096-011-1329-4","article-title":"Nontuberculous mycobacteria infection in solid organ transplant recipients","volume":"31","author":"Piersimoni","year":"2012","journal-title":"Eur J Clin Microbiol Infect 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