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find Keyword "mycobacterium tuberculosis" 1 results
  • Characteristics of sternal mycobacterium tuberculosis infection after cardiac surgery: A systematic review and meta-analysis

    Objective To analyze the characteristics of sternal Mycobacterium tuberculosis (Mtb) infection after cardiac surgery. Methods An electronic search was conducted for publicly available cases of sternal Mtb infection after cardiac surgery in PubMed, Web of Science, Wanfang database, and CNKI since their inception up to 18 July 2023, and 2 researchers analyzed the characteristics of the included cases and extracted relevant data. Results A total of 26 patients were included in 15 studies, 16 males and 10 females, aged 5-80 (61.9±15.6) years. Previous surgical history included coronary artery bypass grafting in 14 cases (53.8%), valve surgery in 8 cases (30.8%), congenital heart surgery in 3 cases (11.5%), and aortic surgery in 2 cases (7.7%). The main symptoms and signs were incisional abscesses, poor healing, mostly with pain, with or without erythema, and usually without systemic symptoms such as low-grade fever, night sweats, and weight loss. 13 cases reported a postoperative time to discovery of infection with a mean of 11.8 (0.5-60) months, and 9 cases reported an interval between discovery of infection and diagnosis with a mean of 12.1 (1.5-62) months. Confirmation of the diagnosis was mainly by Mtb culture of cleared bone tissue or pus, pathology and antacid staining. One case died of cardiac arrest before diagnosis. After the diagnosis of 25 cases, 13 cases received only anti-tuberculosis treatment, of which 11 cases received surgical treatment before diagnosis; 12 cases received anti-tuberculosis and surgical treatment, and all 25 cases were successfully cured. The duration of anti-tuberculosis treatment ranged from 6 to 12 months. Conclusion Sternal Mtb infection after cardiac surgery has a long incubation period, early diagnosis is difficult, the rate of missed diagnosis and misdiagnosis is extremely high, and timely diagnosis and treatment can significantly improve the prognosis.

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