Prevalence of swallowing dysfunction screened in Swedish cohort of COPD patients

Lindh, Margareta Gonzalez; Johansson, Monica; Jennische, Margareta; Koyi, Hirsh

doi:10.2147/copd.s120207

Cited by 26 publications

(14 citation statements)

References 26 publications

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“…Additionally, tocopherols in nuts can contribute to reducing lipid degradation, which can lead to unhealthy lung conditions [37]. We also cannot rule out reverse causation, because patients suffering from chronic obstructive pulmonary disease (COPD) may have had different diets due to difficulty swallowing certain foods which could have impacted the associations we observed [38].…”

Section: Discussionmentioning

confidence: 99%

Nut and Peanut Butter Consumption and Mortality in the National Institutes of Health-AARP Diet and Health Study

et al. 2019

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Although previous studies have shown inverse associations between nut consumption and mortality, the associations between nut consumption and less common causes of mortality have not been investigated. Additionally, about 50% of peanut consumption in the US is through peanut butter but the association between peanut butter consumption and mortality has not been thoroughly evaluated. The National Institutes of Health-AARP (NIH-AARP) Diet and Health Study recruited 566,398 individuals aged 50–71 at baseline in 1995–1996. A food-frequency questionnaire was used to evaluate nut and peanut butter consumption. Cox proportional hazard models were used to estimate hazard ratios and 95% confidence intervals for mortality using the non-consumers as reference groups and three categories of consumption. After excluding subjects with chronic diseases at baseline, there were 64,464 deaths with a median follow-up time of 15.5 years. We observed a significant inverse association between nut consumption and overall mortality (HR C4 vs C1 = 0.78, 95% CI = 0.76, 0.81, p ≤ 0.001). Nut consumption was significantly associated with reduced risk of cancer, cardiovascular, respiratory, infectious, renal and liver disease mortality but not with diabetes or Alzheimer’s disease mortality. We observed no significant associations between peanut butter consumption and all-cause (HR C4 vs C1 = 1.00, 95% CI = 0.98, 1.04, p = 0.001) and cause-specific mortality. In a middle-aged US population, nut intake was inversely associated with all-cause mortality and certain types of cause-specific mortality. However, peanut butter consumption was not associated with differential mortality.

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Section: Discussionmentioning

confidence: 99%

Nut and Peanut Butter Consumption and Mortality in the National Institutes of Health-AARP Diet and Health Study

et al. 2019

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“…At the time, there was no validated dysphagia questionnaire available in Sweden. These three questions are some of the strongest clinical signs for identifying oropharyngeal dysphagia [8], they have been used in a previous study on COPD and swallowing [22] and are also used in several validated dysphagia screening protocols [21]. Thus, the patients in our study were dichotomised into either a dysphagia or nondysphagia group.…”

Section: Methodsmentioning

confidence: 99%

“…In a number of studies, the prevalence of swallowing dysfunction has been reported to be higher in patients with stable COPD than in the general population [17, 22–24]. Studies on swallowing dynamics and pulmonary function have concluded that an integrated breathing and swallowing pattern is often suboptimal in patients with COPD, thereby affecting some patients' ability to swallow and to swallow safely [25].…”

Section: Introductionmentioning

confidence: 99%

Subjective swallowing symptoms and related risk factors in COPD

et al. 2019

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ObjectivesThis study aimed to investigate the prevalence of subjective (i.e. self-reported) swallowing symptoms in a large cohort of patients with stable chronic obstructive pulmonary disease (COPD) and to identify potential related risk factors.MethodsA total of 571 patients with COPD, investigated in a stable phase, participated in this multicentre study (335 females, 236 males; mean age: 68.6 years (sd 7.7)). Data were derived from spirometry, a questionnaire and a 30-metre walking test.ResultsIn total, 33% (n=186) patients reported at least some degree of swallowing problem. The most frequently reported symptom was food lodging in the throat (23%). A significant relationship was found between swallowing symptoms and dyspnoea, assessed as modified Medical Research Council (mMRC) ≥2 compared with <2 (46% versus 22%; p<0.001) and health-related quality of life, assessed as the COPD Assessment Test (CAT) ≥10 (40% versus 19%; p<0.001). Swallowing problems were also related to lower physical capacity (p=0.02) but not to lung function (p>0.28).ConclusionSubjective swallowing symptoms seem to be a common problem in patients with stable COPD. This problem is seen in all stages of the disease, but is more common in symptomatic patients and in patients with lower physical capacity.

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“…It has been suggested that factors such as dyspnea associated with swallowing and lung hyperinflation may cause dysphagia. [ 15 ] Coordinated movements of muscle groups related to breath-holding, such as the diaphragm and rectus abdominis, are important to control normal apnea during swallowing. However, patients with COPD may have a hunched posture resulting in lack of coordination between the breath-holding muscles.…”

Section: Discussionmentioning

confidence: 99%

Efficacy of nasal high flow therapy on the coordination between breathing and swallowing of saliva during daytime nap in chronic obstructive pulmonary disease patients

Ayuse¹,

Hisamatsu²,

Yamaguchi³

et al. 2020

Medicine

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Background: There are some clinical reports on dysphagia in patients with chronic obstructive pulmonary disease (COPD); however, its pathophysiology remains largely unknown. Changes in respiratory function occur in patients with COPD causing a decrease in tidal volume and an increase in respiratory rate (tachypnea). In addition, it leads to lack of coordination between respiration and swallowing. A new treatment called nasal high flow (NHF) has been introduced for patients with COPD, replacing the traditional non-invasive ventilation (NIV) procedure. The NHF therapy involves inhalation of high flow of humidified air, which reduces respiratory effort in patients with COPD. Furthermore, NHF therapy facilitates swallowing of saliva even during respiratory management. A recent clinical study reported that high-flow nasal cannula oxygen therapy for 6 weeks improved the health-related quality of life and reduced hypercapnia in patients with stable COPD. Taken together, NHF therapy is gaining attention in the clinical management of patients with COPD. Therefore, in this study, we aim to examine the efficacy of NHF therapy on the coordination between breathing and swallowing of saliva during daytime nap in patients with COPD. Methods/Design: This open-label, investigator-initiated, single center study will evaluate the efficacy of NHF therapy on the coordination between breathing and swallowing of saliva during the daytime nap in COPD patients with forced expiratory volume in 1 second (FEV 1 %) of <70% during treatment at the Nagasaki University Hospital Respiratory Rehabilitation Center. Evaluations will be performed during the 90 to 180 minute “daytime nap” in the measurement room of the hospital. The primary endpoint will be the rate of appearance of the expiratory phase after swallowing of saliva and the frequency of swallowing during the measurement period. Discussion: The purpose of this study is to obtain evidence regarding the utility of NHF as a potential therapeutic device for COPD patients to prevent aspiration of saliva during the sleep stage of daytime nap. The utility will be assessed by comparing the decrease in incidence rates of the expiratory phase after swallowing of saliva in the NHF device group and the control group, wherein this device was not used.

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Prevalence of swallowing dysfunction screened in Swedish cohort of COPD patients

Cited by 26 publications

References 26 publications

Nut and Peanut Butter Consumption and Mortality in the National Institutes of Health-AARP Diet and Health Study

Nut and Peanut Butter Consumption and Mortality in the National Institutes of Health-AARP Diet and Health Study

Subjective swallowing symptoms and related risk factors in COPD

Efficacy of nasal high flow therapy on the coordination between breathing and swallowing of saliva during daytime nap in chronic obstructive pulmonary disease patients

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