The Science Journal of the American Association for Respiratory Care

1996 OPEN FORUM Abstracts

Post-operative Management and Outcomes in Lung Volume Reduction Surgery

Richard K. Albert, MD Tuesday, November 5, 1996

Lung Volume Reduction Surgery

Outcomes at University of Washington

(as of 7/1/96)

Number of patients evaluated: 276

Number of patients receiving LVRS: 81 (30%)

Mortality:

Total morality: 4 (4.9%)

Operative mortality (hospital and 30 day): 1 (1.2%)

Cause: Pulmonary embolus on 32nd

post-operative day

Late morality: 3 (3.7%)

Causes:

Pulmonary embolus one month after discharge

from 4 day hospitalization

Recurrent pneumonia and respiratory failure

4.5 months post-operatively

Respiratory failure 18 months after discharge

Length of stay (days):

Mean: 13.4

Standard Deviation: 20.2

Median: 8.0

Minimum: 3

Maximum: 138

Complications:

Prolonged air leak (>7days): 25 (31%)

Prolonged ventilator dependence (>5 days): 4 (5%)

Intestinal bleed: 0

Cardiovascular event: 0

Results (mean improvement at 3 months,* = p < 0.05))

FEV_{1} (L)(N=50) 37%*

FEV1 (% predicted)(N=50) 34%*

TLC (L)(N=50) -10%

RV (N=50) -24%*

PaO_{2} (N= 41) -2.0 mmHg

PaCO_{2} (N=41) -3.1 mmHg*

Quality of Life

(Guyatt Chronic Respiratory Questionnaire) 51%*

Dyspnea scores (N=24) 14%*

6 min walk (N=31) 52%*

VO_{2} max (N=14) 23%*

Maximim watts (N=14) 54%*

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