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%*