Hypoxemia in the Postoperative Period

Stephen, C. R.

doi:10.1001/jama.1965.03080090057013

Cited by 10 publications

(1 citation statement)

References 5 publications

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“…Taylor et al (1964), Marshall and Miller (1965), Stephen and Talton (1965) and Kitamura et al (1972) monitored the blood gases during the first 5 postoperative hours, whereas Diament and Palmer (1966) investigated the influence of surgery on the Po, during the first postoperative day. Furthermore, Palmer and Gardiner (1 964), Knudsen (1970) and Latimer et al (1971) observed the Po, of their patients daily after upper abdominal surgery.…”

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Pulmonary function in the early postoperative period

Parfrey

Harte

Quinlan

et al. 1977

Journal of British Surgery

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To the author's knowledge, an intensive investigation of pulmonary function during the first 2 postoperative days has not previously been reported. Consequently, in this study the effect of regional surgery on respiratory function, monitored every 4 h during the first 2 postoperative days, was analyzed. Hypoxaemia was a constant finding in all patients undergoing general anaesthesia. The degree and duration of hypoxaemia and spirometry changes were related to the site of surgical incision. Clinical signs of atelectasis were commonly observed during the first postoperative day and occurred after the change in PO2 and spirometry. Atelectasis was more common in patients having upper abdominal surgery. The current investigation reveals that the earliest postoperative change indicative of atelectasis is the fall in PO2; that auscultatory changes do not always occur in the presence of postoperative hypoxaemia; that auscultatory signs are not indicative of the extent of the PO2 fall; and that radiology represents a crude method of assessing postoperative atelectasis.

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confidence: 99%

Pulmonary function in the early postoperative period

Parfrey

Harte

Quinlan

et al. 1977

Journal of British Surgery

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The effect of hypoxia on the platelet count

Atkins

Lempke

1970

Journal of British Surgery

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The occurrence of low arterial oxygen tensions in postoperative patients is well established. The effect of hypoxia on platelets was therefore studied in 36 rabbits. Two groups were exposed to low oxygen mixtures and a third group was exposed to air in an environmental chamber. In all groups the period of exposure was 24 hours. The hypoxic rabbits showed increased platelet counts from the first to nineteenth days after exposure. The difference in counts between both hypoxic groups and the control rabbits was statistically highly significant after exposure. An increase in platelets may well be an important factor in the aetiology of venous thrombosis. It is consequently suggested that a prophylactic régime against thrombo-embolism should include vigorous efforts to prevent hypoxia in the postoperative period.

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The Benefits of Intraoperative Epidural Anaesthesia Prolonged into the Postoperative Period with Main Emphasis on Pulmonary Function

Modig¹

1980

Neue Aspekte in Der Regionalanaesthesie 1

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Hypoxemia in the Postoperative Period

Cited by 10 publications

References 5 publications

Pulmonary function in the early postoperative period

Pulmonary function in the early postoperative period

The effect of hypoxia on the platelet count

The Benefits of Intraoperative Epidural Anaesthesia Prolonged into the Postoperative Period with Main Emphasis on Pulmonary Function

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