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Related Experiment Videos

Thoracoscopic bilateral lung volume reduction for diffuse pulmonary emphysema

U Stammberger1, R Thurnheer, K E Bloch

  • 1Department of Surgery, University Hospital, Zürich, Switzerland.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|June 1, 1997
PubMed
Summary

Bilateral video-assisted thoracoscopic lung volume reduction (LVR) significantly improves pulmonary function and reduces dyspnea in severe emphysema patients. These benefits, including enhanced exercise capacity, were sustained for at least one year post-surgery.

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Area of Science:

  • Thoracic surgery
  • Pulmonary medicine
  • Emphysema treatment

Background:

  • Severe pulmonary emphysema significantly impairs quality of life and exercise capacity.
  • Lung volume reduction (LVR) is a surgical option for select emphysema patients.
  • Video-assisted thoracoscopic surgery (VAT) offers a minimally invasive approach for LVR.

Purpose of the Study:

  • To evaluate the functional outcomes, complications, and survival rates of bilateral VAT-LVR.
  • To assess the impact of VAT-LVR on pulmonary function, dyspnea, and exercise tolerance in severe emphysema.
  • To determine the durability of these effects over a 1-year follow-up period.

Main Methods:

  • Prospective study of 42 patients with severe, nonbullous pulmonary emphysema undergoing bilateral VAT-LVR.

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  • Pulmonary function tests (PFTs), MRC dyspnea scores, and 12-minute walking distance were assessed preoperatively and at 3, 6, and 12 months post-surgery.
  • Surgical technique involved endoscopic staplers without buttressing staple lines.

    • Main Results:

    • Significant and persistent relief of dyspnea was reported by patients.
    • Forced expiratory volume in 1 second (FEV1) increased by 43% (P < 0.001) and was maintained for at least 1 year.
    • Mean 12-minute walking distance increased by over 50% at 1-year follow-up (P < 0.001).
    • No 30-day mortality; three late deaths occurred due to non-surgical reasons.

    Conclusions:

    • Bilateral VAT-LVR provides immediate postoperative improvement in pulmonary function and dyspnea for selected severe emphysema patients.
    • Favorable outcomes, including improved exercise performance, were sustained for at least one year.
    • VAT-LVR is a viable treatment option for severe, nonbullous pulmonary emphysema, improving functional status and quality of life.