{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T10:50:33Z","timestamp":1788432633279,"version":"build-2803163510"},"reference-count":28,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2012,12,20]],"date-time":"2012-12-20T00:00:00Z","timestamp":1355961600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acad Dermatol Venereol"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>Background\u2002<\/jats:bold> Antibiotics have been used for more than 40\u2003years against <jats:italic>Propionibacterium acnes<\/jats:italic> (<jats:italic>P. acnes<\/jats:italic>), the most common agent of acne. Antibiotic resistance to this bacterium becomes a worldwide problem in recent years. No studies are available on antibiotic susceptibility patterns of <jats:italic>P. acnes<\/jats:italic> among Egyptian acne patients.<\/jats:p><jats:p><jats:bold>Objective\u2002<\/jats:bold> To determine antibiotic susceptibility patterns of <jats:italic>P. acnes<\/jats:italic> isolated from acne patients attending the Dermatology outpatient clinic of an Egyptian university hospital to the most commonly prescribed antibiotics and to determine the difference in relation to age of patients, disease duration and previous antibiotic therapy for acne.<\/jats:p><jats:p><jats:bold>Methods\u2002<\/jats:bold> Cutaneous samples were obtained from pustular acne lesions on the face of 115 patients, which were cultured in anaerobic media to demonstrate the presence of <jats:italic>P. acnes<\/jats:italic>. Antibiotic susceptibility tests of isolated <jats:italic>P. acnes<\/jats:italic> were then performed to clindamycin, erythromycin, azithromycin, oxytetracycline and doxycycline by disk diffusion method.<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold>  <jats:italic>Propionibacterium acnes<\/jats:italic> was isolated from 98 patients. Eighty\u2010nine isolates were susceptible to azithromycin, followed by doxycycline and oxytetracycline isolated from 82 and 72 patients respectively. Resistance of <jats:italic>P. acnes<\/jats:italic> to clindamycin was detected in 65 patients, followed by erythromycin in 48 patients. Comparing the antibiotic susceptibility patterns of <jats:italic>P. acnes<\/jats:italic> isolated from patients with and without previous antibiotic therapy for acne revealed statistically non\u2010significant differences as regards any of the antibiotics tested except for clindamycin and erythromycin. Statistically non\u2010significant differences existed between antibiotic susceptibility patterns of <jats:italic>P. acnes<\/jats:italic> to all tested antibiotics regarding age of patients (&lt; or \u226520\u2003years) and disease duration (&lt; or \u22652\u2003years).<\/jats:p><jats:p><jats:bold>Conclusion\u2002<\/jats:bold>  <jats:italic>Propionibacterium acnes in vitro<\/jats:italic> susceptibility patterns differed among Egyptian patients to the commonly prescribed antibiotics with the highest to lowest resistance to clindamycin, erythromycin, oxytetracycline, doxycycline and azithromycin.<\/jats:p>","DOI":"10.1111\/jdv.12057","type":"journal-article","created":{"date-parts":[[2012,12,22]],"date-time":"2012-12-22T02:02:57Z","timestamp":1356141777000},"page":"1546-1551","source":"Crossref","is-referenced-by-count":39,"title":["<i>In vitro<\/i> antibiotic susceptibility patterns of <i>Propionibacterium acnes<\/i> isolated from acne patients: an Egyptian university hospital\u2010based study"],"prefix":"10.1111","volume":"27","author":[{"given":"N.S.A.","family":"Abdel Fattah","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y.W.","family":"Darwish","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,12,20]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1159\/000067817"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/1523-1747.ep12724285"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2230.1978.tb01496.x"},{"key":"e_1_2_5_5_2","first-page":"690","volume-title":"Fitzpatrick\u2019s Dermatology in General Medicine","author":"Zaenglein AL","year":"2008"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.2165\/00128071-200304050-00002"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.3109\/09546631003762639"},{"key":"e_1_2_5_8_2","doi-asserted-by":"publisher","DOI":"10.2165\/00128071-200304120-00002"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1159\/000067822"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.1099\/00222615-16-3-271"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0190-9622(83)70005-8"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.anaerobe.2006.08.001"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2133.2003.05067.x"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-4632.2010.04506.x"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-4632.2009.04270.x"},{"key":"e_1_2_5_16_2","first-page":"25","article-title":"Antimicrobial susceptibility of Propionibacterium acnes isolated from acne vulgaris","volume":"9","author":"Kurokawa I","year":"1999","journal-title":"Eur J Dermatol"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.2007.08087.x"},{"key":"e_1_2_5_18_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2133.2002.04690.x"},{"key":"e_1_2_5_19_2","first-page":"17","article-title":"Determination of microbial agents of acne vulgaris and Propionibacterium acnes antibiotic resistance in patients referred to dermatology clinics in Kerman, Iran","volume":"4","author":"Zandi S","year":"2011","journal-title":"Jundishapur J Microbiol"},{"key":"e_1_2_5_20_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-3083.2011.04351.x"},{"key":"e_1_2_5_21_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-4362.1997.00099.x"},{"key":"e_1_2_5_22_2","unstructured":"National Committee for Clinical Laboratory Standards.Performance standards for antimicrobial disk susceptibility tests. 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