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Postoperative hypoxaemia: oesophagectomy with gastric replacement
The British Journal of Surgery
|November 1, 1979
Summary
This study tracked oxygen and carbon dioxide levels and lung function in 21 patients after esophageal cancer surgery. Lung function and oxygen levels significantly decreased post-surgery but gradually recovered over 13 weeks.
Area of Science:
- Thoracic Surgery
- Respiratory Physiology
- Oncology
Background:
- Esophageal cancer surgery, specifically oesophagectomy, can significantly impact respiratory function.
- Monitoring arterial blood gases and pulmonary function is crucial for assessing postoperative recovery.
Purpose of the Study:
- To evaluate the changes in arterial oxygen partial pressure (PaO2), carbon dioxide partial pressure (PaCO2), and forced vital capacity (FVC) after oesophagectomy.
- To assess the recovery trajectory of these respiratory parameters in patients undergoing oesophageal cancer surgery.
Main Methods:
- Arterial blood gas analysis (PaO2, PaCO2) and forced vital capacity (FVC) measurements were performed preoperatively and at specific postoperative time points (day 2, day 10, and 13 weeks).
- A consecutive series of 21 patients undergoing two- or three-stage oesophagectomy for esophageal carcinoma were included.
Main Results:
- Postoperative PaO2 decreased to 65% of preoperative levels by day 2, recovering to 95% by 13 weeks.
- PaCO2 levels initially decreased but returned to baseline by day 10.
- FVC showed a significant reduction to 33% of preoperative values on day 2, with gradual recovery to 85% by 13 weeks.
Conclusions:
- Oesophagectomy leads to significant but reversible impairment of respiratory function, including reduced oxygenation and lung capacity.
- Pulmonary function demonstrates a progressive recovery pattern over several weeks following oesophageal cancer surgery.