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Diffuse panbronchiolitis-The response and recurrence after erythromycin therapy.

Min-Chun Chuang1, Yu-Ting Chou2, Yu-Ching Lin2

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Journal of the Formosan Medical Association = Taiwan Yi Zhi
|December 26, 2015
PubMed
Summary
This summary is machine-generated.

Erythromycin treatment showed effectiveness for diffuse panbronchiolitis (DPB) in Taiwan, with 81.5% of patients improving. However, 27% experienced relapse, with most responding to a second course of this antibiotic.

Keywords:
Taiwandiffuse panbronchiolitiserythromycin

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Diffuse panbronchiolitis (DPB) is a rare respiratory condition.
  • Taiwan has lacked cohort studies on DPB.
  • The long-term effects and relapse rates of erythromycin treatment for DPB remain unclear.

Purpose of the Study:

  • To report the first retrospective cohort study of DPB in Taiwan.
  • To analyze the clinical presentation of DPB patients.
  • To evaluate the outcomes of erythromycin treatment for DPB, including relapse rates.

Main Methods:

  • Retrospective cohort analysis of 27 confirmed DPB patients.
  • Analysis of clinical, radiological (chest CT), and laboratory parameters.
  • Examination of the course and outcomes of erythromycin therapy.

Main Results:

  • The average age at symptom onset was 56.6 years; diagnosis delay was 4.3 years.
  • Common findings included centrilobular micronodules (72%), obstructive ventilatory impairment with hypoxemia (37%), and elevated cold agglutinin titer (78%).
  • Erythromycin led to clinical improvement in 81.5% of patients; 27% relapsed, with two-thirds improving after a second treatment course.

Conclusions:

  • Erythromycin therapy is a suitable treatment for diffuse panbronchiolitis.
  • A significant proportion of DPB patients (27%) may experience relapse.
  • A second course of erythromycin can be effective for managing relapsed DPB.