The Effects of Obesity on the Cardiopulmonary System: Implications for Critical Care Nursing

Garrett, Kim; Lauer, Kathy; Christopher, Beth-Anne

doi:10.1111/j.0889-7204.2003.03033.x

Cited by 11 publications

(3 citation statements)

References 23 publications

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“…Generally vital capacity (VC) and total lung capacity (TLC) remains normal but it may be decreased by ≥30%, if obesity is severe. There is an increased breathing effort, if there is “abnormal chest wall resistance” or if there is increased airway resistance 6. It is seen that if BMI is between 20 and 30kg/m 2 then the changes in FRC and ERV are quite similar and there is no big difference in these BMI groups 7…”

Section: Introductionmentioning

confidence: 98%

Effect of Body Mass Index on respiratory parameters: A cross-sectional analytical Study

2019

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Objective:To assess association of Body mass index (BMI) on respiratory parameters by performing spirometry in apparently healthy adults living in the district Jamshoro and Hyderabad, Sindh, Pakistan.Methods:A cross sectional study was conducted at Department of Physiology, Liaquat University of Medical and Health Sciences Jamshoro, Pakistan from January to September 2015. A total of 180 underweight, normal, overweight and obese participants, aged between 18 to 40 years were included in the study. BMI was calculated by measuring weight and height by BMI scale (RGZ-160) in standing position. Pulmonary parameters were determined by spirometry on Power lab (AD instruments). Pulmonary parameters were compared between subjects in different categories of BMI.Results:Mean age of participants was 21.83±5.88 years and the mean BMI was 25.10±6.55 kg/m2. The study results revealed that except for FVC, which was not statistically significant (p=0.45) all other respiratory parameters were significantly different (p≤0.05) in all BMI categories. Mean FEV1/FVC ratio (93.1 vs. 90.3, 86.4 and 86.6 respectively) was highest among underweight as compared to overweight, obese and normal weight individuals. The mean VT was 1.22 vs. 0.90, 1.01 and 0.84 respectively, IRV was 1.04 vs. 1.18, 1.23 and 1.20 respectively, IC was 2.26 vs. 2.08, 2.25 and 2.05 respectively, VC was 2.63 vs. 2.42, 2.54 and 2.54 respectively, TLC was 2.98 vs. 3.03 vs. 3.18 and 3.17 respectively among underweight, overweight, obese and normal weight participants.Conclusion:We found a significant association between body mass index and pulmonary function parameters. Obesity causes detrimental effects on respiratory system.

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Section: Introductionmentioning

confidence: 98%

Effect of Body Mass Index on respiratory parameters: A cross-sectional analytical Study

2019

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“…-liées aux conséquences immédiates de l'excès de masse grasse telles les complications respiratoires et cardiologiques [13].…”

Section: Les Principales Complications Observées Sontunclassified

Nutrition de l’obèse agressé

Vaduva

Tamion

Thibault

2017

Nutrition Clinique et Métabolisme

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The pandemic increase in obesity incidence leads to a large increase in the number of obese patients admitted in the intensive care unit (ICU). The « obesity paradox » defines the protective effect of overweight and obesity (until 40 of body mass index) on ICU mortality. In the ICU, obesity-related mortality is likely to be underestimated because of the use of nonsuitable prognostic scores. During critical illness, the adipose tissue of obese patients stores lipids instead of utilizing them as energy source. It leads to the worsening of the muscle protein catabolism. The metabolic response to critical illness in obese patients may involve qualitative changes of the adipose tissue. Hyperglycemia is frequent and associated with patients' poor prognosis making madatory the glycemic control. Overnutrition must be avoided as it is deleterious. The main objective of nutritional support is to limit the malnutrition secondary to critical illness. In the ICU obese patients, no method is validated for assessing nutritional status and protein-energy needs. The strategy of nutrition support is still largely debated, including the use of hypocaloric hyperproteic feeding. The scarcity of scientific data makes urgent the biomedical research on the topic of the ICU obese patients.

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“…For example, pulse oximetry may not always be accurate in the obese patient, as excess adipose tissue creates a barrier for the penetration of the light sensor [15] . In the case of the obese trauma patient, there are many potential challenges to consider regarding the patient's anatomical and physiological conditions as well as appropriate use of equipment and diagnostic studies.…”

Section: Resuscitationmentioning

confidence: 99%