The Korean Journal of Medicine

The Korean Association of Internal Medicine (대한내과학회)
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A Case of Metapneumovirus Pneumonia-Related Acute Respiratory Distress Syndrome in a Young Adult Patient

젊은 성인 환자에서 인간 메타뉴모바이러스 폐렴에 의한 급성 호흡곤란증후군

  • Tae Wan Kim (Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine) ;
  • Won-Young Kim (Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine)
  • 김태완 (중앙대학교 의과대학 중앙대학교병원 호흡기알레르기내과) ;
  • 김원영 (중앙대학교 의과대학 중앙대학교병원 호흡기알레르기내과)
  • Received : 2023.07.20
  • Accepted : 2023.09.07
  • Published : 2024.04.01
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Abstract

Human metapneumovirus (hMPV) infections commonly present as mild upper respiratory tract infections in healthy adults, although severe respiratory complications have been observed, particularly in elderly and immunocompromised patients. We report a case in whom pneumonia caused by hMPV progressed to acute respiratory distress syndrome (ARDS) in a healthy adult without underlying diseases. A 31-year-old female presented with fever and dyspnea, prompting transfer to our hospital for mechanical ventilation 3 days after symptom onset. Auscultation revealed coarse breath sounds and crackles in both lung fields, and chest X-ray showed non-specific infiltrative nodules with poorly defined borders throughout both lungs. ARDS caused by community-acquired pneumonia was diagnosed. hMPV was identified via rapid testing of respiratory samples for genes that encode pneumonia pathogens and drug resistance markers; we employed reverse transcription polymerase chain reactions to these ends. Six days later, the patient was weaned off the mechanical ventilator, and discharged from the hospital in good clinical condition.

hMPV는 모든 연령에서 급성 호흡기 질환의 중요한 원인이며 고령, 면역 저하, 특정 동반 질환이 없는 건강한 환자에서도 ARDS를 동반한 중증 폐렴을 유발할 수 있다. 따라서 임상의는 젊고 면역력이 정상인 ARDS 환자에서도 hMPV 감염을 의심할 필요가 있다.

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References

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