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Related Experiment Videos

[A study on far-advanced cavitary pulmonary tuberculosis cases].

Yuka Sasaki1, Fumio Yamagishi, Takenori Yagi

  • 1Division of Thoracic Disease, National Chiba Higashi Hospital, 673, Nitona-cho, Chuo-ku, Chiba-shi, Chiba 260-8712, Japan. sasakiy@chibae.hosp.go.jp

Kekkaku : [Tuberculosis]
|July 26, 2002
PubMed
Summary

Advanced pulmonary tuberculosis cases have a poor prognosis, often linked to delayed diagnosis by patients. Early detection strategies are crucial for improving outcomes in these vulnerable populations.

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Radiology

Context:

  • Far-advanced cavitary pulmonary tuberculosis presents severe chest X-ray lesions (Japanese Society of Tuberculosis classification: b I 3).
  • Patients often exhibit emaciated general conditions, contributing to a poor prognosis.
  • This retrospective study analyzed cases admitted to a single hospital.

Purpose:

  • To investigate the clinical characteristics and outcomes of patients with far-advanced cavitary pulmonary tuberculosis.
  • To identify factors contributing to delayed diagnosis and poor prognosis in these patients.

Summary:

  • The study included 95 patients (87 male, 8 female; mean age 49.5 years) with smear-positive sputum acid-fast bacilli.
  • A significant proportion belonged to socially vulnerable groups (jobless, day laborers, poor relief recipients).

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  • High mortality (20%) was observed, with a short median survival of 11 days post-admission. Patient delay in seeking care (5.5 months) was a major factor in late diagnosis, unlike minimal doctor delay (0.3 months).

    • Impact:

    • Highlights the critical role of patient-initiated delay in the poor prognosis of advanced pulmonary tuberculosis.
    • Underscores the need for interventions to shorten diagnostic delays and improve outcomes.
    • Emphasizes the vulnerability of specific social groups to severe tuberculosis.