Rakan Nazer1, Ali Albarrati2, Anhar Ullah3, Sultan Alamro3, Tarek Kashour3. 1. Department of Cardiac Science, King Fahad Cardiac Center, College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia. Electronic address: raknazer@ksu.edu.sa. 2. Department of Rehabilitation Science, College of Applied Medical Science, King Saud University, Riyadh, Kingdom of Saudi Arabia. 3. Department of Cardiac Science, King Fahad Cardiac Center, College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia.
Abstract
BACKGROUND: Coronary artery bypass grafting surgery has an increased risk of adverse events in obese patients. This increased risk might be explained in part by an increased intra-abdominal pressure and the development of intra-abdominal hypertension. Therefore, the objective of this study was to investigate the correlation between obesity and intra-abdominal hypertension and to evaluate its possible impact after coronary artery bypass grafting. METHODS: A total of 50 consecutive patients scheduled to undergo coronary artery bypass grafting at a single center were selected prospectively before undergoing elective coronary artery bypass grafting. Based on the body mass index, 25 obese (body mass index ≥ 30) patients were matched with 25 control patients. Each patient had intra-abdominal pressure taken at baseline followed by one measurment every 4 hours until 24 hours after coronary artery bypass grafting. The serum markers for liver and kidney functions were collected once a day for 7 days after coronary artery bypass grafting. RESULTS: Obese patients had a greater (mean ± SD) peak intra-abdominal pressure (15.4 ± 1.6 mm Hg versus 10.6 ± 1.6 mm Hg; P = .011) and mean change of intra-abdominal pressure from baseline (5.1 ± 3.3 mm Hg versus 2.2 ± 2.4 mm Hg; P = .001). The mean abdominal perfusion pressure was less in the obese group (63.0 ± 8.0 mm Hg versus 70.1 ± 11 mm Hg; P = .017). The liver dysfunction, as determined by the Schindl liver function scoring system between the obese and control groups, was not statistically significant (28% vs 8%; P = .066). More patients in the obese group developed renal injury based on the calculated glomerular filtration rate (32% vs 8%; P = .034). Obesity was highly associated with developing intra-abdominal hypertension (odds ratio: 2.99; 95% confidence interval: 1.92-3.53; P < .001). CONCLUSION: Obesity is associated with the development of intra-abdominal hypertension after coronary artery bypass grafting. This effect might indirectly impair the renal and liver functions through a decrease in the abdominal perfusion pressure.
BACKGROUND: Coronary artery bypass grafting surgery has an increased risk of adverse events in obesepatients. This increased risk might be explained in part by an increased intra-abdominal pressure and the development of intra-abdominal hypertension. Therefore, the objective of this study was to investigate the correlation between obesity and intra-abdominal hypertension and to evaluate its possible impact after coronary artery bypass grafting. METHODS: A total of 50 consecutive patients scheduled to undergo coronary artery bypass grafting at a single center were selected prospectively before undergoing elective coronary artery bypass grafting. Based on the body mass index, 25 obese (body mass index ≥ 30) patients were matched with 25 control patients. Each patient had intra-abdominal pressure taken at baseline followed by one measurment every 4 hours until 24 hours after coronary artery bypass grafting. The serum markers for liver and kidney functions were collected once a day for 7 days after coronary artery bypass grafting. RESULTS:Obesepatients had a greater (mean ± SD) peak intra-abdominal pressure (15.4 ± 1.6 mm Hg versus 10.6 ± 1.6 mm Hg; P = .011) and mean change of intra-abdominal pressure from baseline (5.1 ± 3.3 mm Hg versus 2.2 ± 2.4 mm Hg; P = .001). The mean abdominal perfusion pressure was less in the obese group (63.0 ± 8.0 mm Hg versus 70.1 ± 11 mm Hg; P = .017). The liver dysfunction, as determined by the Schindl liver function scoring system between the obese and control groups, was not statistically significant (28% vs 8%; P = .066). More patients in the obese group developed renal injury based on the calculated glomerular filtration rate (32% vs 8%; P = .034). Obesity was highly associated with developing intra-abdominal hypertension (odds ratio: 2.99; 95% confidence interval: 1.92-3.53; P < .001). CONCLUSION:Obesity is associated with the development of intra-abdominal hypertension after coronary artery bypass grafting. This effect might indirectly impair the renal and liver functions through a decrease in the abdominal perfusion pressure.
Authors: Armando Coca; Carlos Arias-Cabrales; María José Pérez-Sáez; Verónica Fidalgo; Pablo González; Isabel Acosta-Ochoa; Arturo Lorenzo; María Jesús Rollán; Alicia Mendiluce; Marta Crespo; Julio Pascual; Juan Bustamante-Munguira Journal: Sci Rep Date: 2022-02-10 Impact factor: 4.996