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[Contralateral pneumothorax after lung resection]

M Kadokura1, S Yamamoto, D Kataoka

  • 1First Department of Surgery, Showa University School of Medicine, Tokyo, Japan.

[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|October 28, 1997
PubMed
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Patients undergoing thoracotomy for lung disease face a risk of contralateral pneumothorax, especially those with emphysematous changes and a low body mass index (BMI). A BMI below 20 may indicate increased risk for this complication.

Area of Science:

  • Thoracic Surgery
  • Pulmonology
  • Critical Care Medicine

Background:

  • Thoracotomy is a common surgical procedure for various chest diseases.
  • Contralateral pneumothorax is a potential postoperative complication following unilateral thoracotomy.
  • Identifying risk factors for this complication is crucial for patient management.

Observation:

  • A retrospective study reviewed 973 patients undergoing thoracotomy between 1981 and 1995.
  • Twenty patients (2.05%) were readmitted with contralateral pneumothorax within a mean of 20 months post-surgery.
  • The majority (16/20) had prior surgery for bullous lung disease; four had lung cancer surgery.

Findings:

  • Contralateral pneumothorax was primarily associated with emphysematous bulla (19/20 patients).

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  • Patients who developed contralateral pneumothorax had a significantly lower mean body mass index (BMI) of 18.4 compared to controls (21.7, p < 0.05).
  • A BMI less than 20 was identified as a potential risk factor.

    • Implications:

    • Patients with emphysematous lung disease and low BMI (<20) may require closer monitoring post-thoracotomy.
    • This finding can inform risk stratification and potentially guide prophylactic strategies.
    • Further research into the mechanisms linking low BMI and emphysema to pneumothorax is warranted.