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Cited by 304 publications
(119 citation statements)
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“…The cephalad displacement of the diaphragm, which particularly affects the dorsal position of that muscle, al is variable 42 and is in the order of 1.9 • 0.5 cm. 29 This change in position alters the diameters of the rib cage. There is an increase in the lateral and a decrease in the antero-posterior external diameters.…”
Section: B Mechanisms Of Reduced Frcmentioning
confidence: 99%
See 1 more Smart Citation
“…The cephalad displacement of the diaphragm, which particularly affects the dorsal position of that muscle, al is variable 42 and is in the order of 1.9 • 0.5 cm. 29 This change in position alters the diameters of the rib cage. There is an increase in the lateral and a decrease in the antero-posterior external diameters.…”
Section: B Mechanisms Of Reduced Frcmentioning
confidence: 99%
“…47 The resulting change in cross-sectional area has been calculated to be equal to a loss in volume of 170 ---140 ml in one report 4s and an average of 300 ml in another. 29 A reduction in tone of the diaphragm or of the muscles acting on the ventilatory pump will lead to a reduction in intragastric pressure (PGA) in lean patients. The average change in PGA immediately following induction of anaesthesia is -40 Pa. 4s Obese patients, however, have relatively more inspiratory tone when awake.…”
Section: B Mechanisms Of Reduced Frcmentioning
confidence: 99%
“…2 TELECTASIS observed during general anesthesia causes a decrease in arterial oxygenation, functional residual capacity and respiratory compliance. [1][2][3] Lung recruitment maneuvers are defined as ventilatory strategies used for treating these negative effects of lung collapse. [4][5][6] The goal of these maneuvers is to open up the collapsed lung areas and keep them open over time.…”
mentioning
confidence: 99%
“…High oxygen fractions in the gaseous mixture administered during anesthesia promote atelectasis 12 and such effect seems to be exacerbated in obese patients, specially morbidly obese ones 13 . Hedenstierna et al 14 have described decreased functional residual capacity (FRC) promoted by general anesthesia and muscle paralysis under mechanical ventilation caused by diaphragm relaxation. Pelosi et al 13 have proposed that decreased oxygenation and pulmonary volume are inversely related to BMI.…”
Section: Resultsmentioning
confidence: 99%