Comparison of international and Japanese predictive equations for maximal respiratory mouth pressures

Hamada, Ryota; Oshima, Yasuhiro; Yoshioka, Yumiko; Chen‐Yoshikawa, Toyofumi F.; Nakajima, Daisuke; Nankaku, Manabu; Ikeguchi, Ryosuke; Date, Hiroshi; Matsuda, Shinya; Satô, Susumu

doi:10.1016/j.resinv.2022.07.003

Cited by 8 publications

(9 citation statements)

References 8 publications

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“…Measurements were repeated at least three times, with a 30‐s recovery period between measurements, and the process was repeated until good reproducibility was achieved (within 10% difference between measurements). Values were also expressed as percentages of predicted values, which were calculated using the Japanese equation 15 . IMW was defined as MIP < 80% of the predicted value.…”

Section: Methodsmentioning

confidence: 99%

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Preoperative inspiratory muscle weakness as a risk factor of postoperative pulmonary complications in patients with esophageal cancer

Okura,

Suto,

Sato

et al. 2023

Journal of Surgical Oncology

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ObjectiveWe examined whether preoperative inspiratory muscle weakness (IMW) is a risk factor for postoperative pulmonary complications (PPCs) in patients with esophageal cancer who underwent subtotal esophagectomy.MethodsThis single‐center retrospective cohort study enrolled patients with esophageal cancer who underwent a scheduled subtotal esophagectomy between June 2020 and May 2022. Maximal inspiratory pressure (MIP) was measured as inspiratory muscle strength using a respiratory dynamometer, and we defined IMW as MIP < 80% of the predicted value. Our primary outcome comprised overall PPCs. We investigated the relationship between IMW and PPCs using the Bayesian logistic regression model.ResultsAfter exclusion, 72 patients were included in this study. IMW was identified in 26 patients (36%), and PPCs developed in 28 patients (39%). Among patients with IMW, 15 (58%) developed PPCs. Preoperative IMW was associated with PPCs (mean odds ratio [OR]: 3.58; 95% credible interval [95% CrI]: 1.29, 9.73) in the unweighted model. A similar association was observed in the weighted model adjusted for preoperative and intraoperative contributing factors (mean OR: 4.15; 95% CrI: 2.04, 8.45).ConclusionsPreoperative IMW was associated with PPCs in patients with esophageal cancer who underwent subtotal esophagectomy. This association remained after adjusting for preoperative and intraoperative contributing factors.

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Section: Methodsmentioning

confidence: 99%

“…Values were also expressed as percentages of predicted values, which were calculated using the Japanese equation. 15 IMW was defined as MIP < 80% of the predicted value.…”

Section: Inspiratory Muscle Strengthmentioning

confidence: 99%

Preoperative inspiratory muscle weakness as a risk factor of postoperative pulmonary complications in patients with esophageal cancer

Okura,

Suto,

Sato

et al. 2023

Journal of Surgical Oncology

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“…Recently, absolute cut-off values defining respiratory muscle weakness were shown from the European region to be 62 and 83 cmH 2 O for MIP and 81 and 109 cmH 2 O for MEP in women and men, respectively [9 ▪ ]. Although many available prediction formulas for MIP and MEP have been reported, wide variations have been noted in the overall agreement among the formulas [10 ▪ ]. This wide variability can be attributed mainly to technical aspects (e.g., differences in protocols and equipment used), sample characteristics (e.g.…”

Section: Definition and Diagnostic Criteria Of Respiratory Sarcopeniamentioning

confidence: 99%

“…This wide variability can be attributed mainly to technical aspects (e.g., differences in protocols and equipment used), sample characteristics (e.g. age, anthropometry, and ethnicity), and differences in the explanatory variables in the equations [9 ▪ ,10 ▪ ]. Currently, no clear cut-off points for %MIP and %MEP to determine low respiratory muscle strength.…”

Section: Definition and Diagnostic Criteria Of Respiratory Sarcopeniamentioning

confidence: 99%

Definition, diagnosis, and treatment of respiratory sarcopenia

Miyazaki,

Tamaki,

Wakabayashi

et al. 2023

Current Opinion in Clinical Nutrition &Amp; Metabolic Care

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Purpose of review Skeletal muscle weakness and wasting also occurs in the respiratory muscles, called respiratory sarcopenia. Respiratory sarcopenia may lead to worse clinical indicators and outcomes. We present a novel definition and diagnostic criteria for respiratory sarcopenia, summarize recent reports on the association between respiratory sarcopenia, physical and nutritional status, and clinical outcomes, and provide suggestions for the prevention and treatment of respiratory sarcopenia. Recent findings Recently, a novel definition and diagnostic criteria for respiratory sarcopenia have been prepared. Respiratory sarcopenia is defined as a condition in which there is both low respiratory muscle strength and low respiratory muscle mass. Respiratory muscle strength, respiratory muscle mass, and appendicular skeletal muscle mass are used to diagnose respiratory sarcopenia. Currently, it is challenging to definitively diagnose respiratory sarcopenia due to the difficulty in accurately determining low respiratory muscle mass. Decreased respiratory muscle strength and respiratory muscle mass are associated with lower physical and nutritional status and poorer clinical outcomes. Exercise interventions, especially respiratory muscle training, nutritional interventions, and their combinations may effectively treat respiratory sarcopenia. Preventive interventions for respiratory sarcopenia are unclear. Summary The novel definition and diagnostic criteria will contribute to promoting the assessment and intervention of respiratory sarcopenia.

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“…Many formulas for calculating reference and normal values for MIP and MEP have been reported, including Enright et al, 14 each using different indices such as age, height, and weight. 49 Evans et al 50 present estimation equations for the reference and lower limit of normal. 4.…”

Section: Covid-19mentioning

confidence: 99%

Respiratory sarcopenia: A position paper by four professional organizations

Satô

Miyazaki

Tamaki

et al. 2022

Geriatrics Gerontology Int

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We defined respiratory sarcopenia as a coexistence of respiratory muscle weakness and decreased respiratory muscle mass. Although respiratory muscle function is indispensable for life support, its evaluation has not been included in the regular assessment of respiratory function or adequately evaluated in clinical practice. Considering this situation, we prepared a position paper outlining basic knowledge, diagnostic and assessment methods, mechanisms, involvement in respiratory diseases, intervention and treatment methods, and future perspectives on respiratory sarcopenia, and summarized the current consensus on respiratory sarcopenia. Respiratory sarcopenia is diagnosed when respiratory muscle weakness and decreased respiratory muscle mass are observed. If respiratory muscle mass is difficult to measure, we can use appendicular skeletal muscle mass as a surrogate. Probable respiratory sarcopenia is defined when respiratory muscle weakness and decreased appendicular skeletal muscle mass are observed. If only respiratory muscle strength is decreased without a decrease in respiratory function, the patient is diagnosed with possible respiratory sarcopenia. Respiratory muscle strength is assessed using maximum inspiratory pressure and maximum expiratory pressure. Ultrasonography and computed tomography are commonly used to assess respiratory muscle mass; however, there are insufficient data to propose the cutoff values for defining decreased respiratory muscle mass. It was jointly prepared by the representative authors and authorized by the Japanese Society for Respiratory Care and Rehabilitation,

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Comparison of international and Japanese predictive equations for maximal respiratory mouth pressures

Cited by 8 publications

References 8 publications

Preoperative inspiratory muscle weakness as a risk factor of postoperative pulmonary complications in patients with esophageal cancer

Preoperative inspiratory muscle weakness as a risk factor of postoperative pulmonary complications in patients with esophageal cancer

Definition, diagnosis, and treatment of respiratory sarcopenia

Respiratory sarcopenia: A position paper by four professional organizations

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