Interstitial Edema After Cardiopulmonary Bypass in Patients Undergone Cardiac Surgery Patients: Evaluation Through Lung Ultrasonography
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Date
2022
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Abstract
Objectives: Primary target of the study was identifying pulmonary interstitial edema (IE) with lung ultrasonography after open-heart surgery and searching the reasons of edema. Methods: At the end of the surgery, patients divided in two groups: Group Control: No IE and lung ultrasound (LUS) Score <17. Group IE: IE, LUS score ≥17. All clinical, hemodynamic data, and LUS score were recorded at the beginning (t0), at the end of surgery (t1), at post-operative 4th h (t2), 24th (t3), and 48th h (t4). Results: The mean LUS score of Group IE (n=32, 58%) was 20.8±4.3 and those of patients in Group C mean LUS skore (t1) of 16.2±3.7 (n=23, %42) points at the end of the surgery (t1). In Group IE, serum lactate level was higher than control group (respectively, 2.0±0.8, 1.6±0.8, p=0.04, p<0.02). There was statistically significant positive correlation between LUS scores at the postoperatively 4th h (t2) and central venous pressure (CVP) at the beginning (t0) (r=0.27 p=0.04). There was significantly positive correlation between LUS scores (t2) at the postoperatively 4th h and duration of stay in intensive care unit (ICU) (r=0.35 p<0.01). There was negative correlation between CVP at the beginning (t0) and the pump balance during cardiopulmonary by-pass (r=0.29 p=0.03). Conclusion: The values of CVP, post-operative serum lactate levels, and the length of stay in ICU are found higher in patients with pulmonary IE.