2002
DOI: 10.1097/00000539-200203000-00049
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Abstract: Morbid obesity has a profound effect on respiratory mechanics and gas exchange. However, most studies were performed in morbidly obese patients before or after anesthesia. We tested the hypothesis that anesthesia and abdominal opening could modify the elastic and resistive properties of the respiratory system. Eleven morbidly obese and eight normal-weight patients scheduled for gastric binding and cancer treatment, respectively, under laparotomy were studied. Respiratory mechanics, partitioned into its lung an… Show more

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Cited by 31 publications
(15 citation statements)
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“…The increased weight of the thoracic and abdominal components of the chest wall results in significant reduction of total respiratory compliance, functional residual capacity, expiratory reserve volume, and total lung capacity [38][39][40]. These changes are further affected by anesthesia [41] and surgical procedure [42]. In recent years, the use of laparoscopic procedures has also markedly increased in the obese patient, but the abdominal insufflation with carbon dioxide required by the laparoscopic technique, as well as the need for special patient positioning, further affect the respiratory system during anesthesia [43,44].…”
Section: Obesity and Related Changes In Cardiovascular And Respiratormentioning
confidence: 99%
“…The increased weight of the thoracic and abdominal components of the chest wall results in significant reduction of total respiratory compliance, functional residual capacity, expiratory reserve volume, and total lung capacity [38][39][40]. These changes are further affected by anesthesia [41] and surgical procedure [42]. In recent years, the use of laparoscopic procedures has also markedly increased in the obese patient, but the abdominal insufflation with carbon dioxide required by the laparoscopic technique, as well as the need for special patient positioning, further affect the respiratory system during anesthesia [43,44].…”
Section: Obesity and Related Changes In Cardiovascular And Respiratormentioning
confidence: 99%
“…Obesity is often associated with the accumulation of intra-abdominal fat (IAF), but the effect of body fat distribution on colorectal surgery has not been fully investigated. Modifications required to improve exposure are often necessary for patients with rich IAF or subcutaneous fat (SCF), and a large amount of IAF or SCF has a profound effect on respiratory function during surgery [14]. They also appear to be an impediment to extended lymphadenectomy and therefore may have some effect on colorectal-cancer surgery.…”
Section: Introductionmentioning
confidence: 99%
“…7,[11][12][13] Rmin refl ects the opposition to air fl ow through the airways in the respiratory system (Rmin, rs), chest wall (Rmin, w) and lung parenchyma (Rmin, L). DR represents the additional resistance secondary to volume redistribution and/or tissue relaxation following airway fl ow cessation in the respiratory system (DR, rs), chest wall (DR, w) and lung parenchyma (DR, L).…”
Section: Respiratory Mechanics Data Respiratory Mechanics Data Acquismentioning
confidence: 99%