A calibrated measuring tape accurately predicts tidal volumes from ulna length

Rivers, Jon; Brown, Jules; Dolphin, Kirsty; Squire, Yolande

doi:10.1177/1751143715583861

Cited by 6 publications

(4 citation statements)

References 11 publications

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“…However, tape measures have been used in several studies that were conducted in the adult population and demonstrated correlations between ulna length and height 16,17,19,22 . Furthermore, tape measures are cheaper and more accessible than anthropometric calipers 7,21,39 . We found good inter‐rater reliability using tape measures to assess ulna length (ICC = 0.86) and our equations and agreement were very similar to a study that used calipers 3 .…”

Section: Discussionsupporting

confidence: 78%

“…16,17,19,22 Furthermore, tape measures are cheaper and more accessible than anthropometric calipers. 7,21,39 We found good inter-rater reliability using tape measures to assess ulna length (ICC = 0.86) and our equations and agreement were very similar to a study that used calipers. 3 A considerable strength of the present study was, given that anthropometric parameters can differ by age and sex, 3,14,16,23,26 the predicted equations developed from the SuNDiAL project were ageand sex-specific and developed for New Zealand adolescents.…”

Section: Discussionsupporting

confidence: 77%

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Predicting height from ulna length for the determination of weight status in New Zealand adolescents: A cross‐sectional study

MacDonell

Yap

et al. 2021

J Human Nutrition Diet

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Background The measurement of height is crucial for weight status assessment. When standing height is difficult to measure, ulna length may offer a convenient and accurate surrogate of height measure. Adolescence is a period of accelerated linear growth; hence, the validation of age‐specific equations that predict height from ulna length in adolescents is warranted. The present study aimed to develop and validate age‐ and sex‐specific equations for predicting height from ulna length in New Zealand adolescents. Methods Height, weight and ulna length were measured in 364 adolescents (n = 110 males, n = 254 females) aged 15.0–18.8 years, who were enrolled in the SuNDiAL (Survey of Nutrition Dietary Assessment and Lifestyle) project, a cross‐sectional survey performed in 2019 and 2020. Regression models were used to determine equations to predict height from ulna length. Agreement between measured and predicted height, body mass index (BMI) and BMI z‐score was assessed with intra‐class correlation coefficients (ICC) and Bland–Altman plots. Sensitivity and specificity were calculated for classifying obesity. Results Strong agreement was found between predicted and measured height (ICC = 0.78; mean difference = 0; 95% confidence interval = −0.5 to 0.5 cm) and BMI (ICC = 0.95; mean difference = 0; 95% confidence interval = −0.1 to 0.1 kg m–2). Predicted height was 88.1% accurate when classifiying weight status, showing high sensitivity (93.8%) and specificity (99.4%) for classifying obesity. Conclusions Ulna length measurement can accurately estimate height and subsequently weight status in New Zealand adolescents aged 15–18 years.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionsupporting

confidence: 77%

Predicting height from ulna length for the determination of weight status in New Zealand adolescents: A cross‐sectional study

MacDonell

Yap

et al. 2021

J Human Nutrition Diet

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“…According to their results, the predicted mean tidal volume was 5.7ml/kg for males and 5.8 ml/kg for females. They did not include individuals aged more than 65 years [34].…”

Section: Discussionmentioning

confidence: 99%

Use Of Ulna Length To Predict Protective Lung Tidal Volume In Adult Egyptians

Marie¹,

Refaie

2022

Preprint

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Background: Ventilation with low tidal volume (VT) is advised for critically ill patients to protect against ventilator-induced lung injury and provide better clinical outcomes. Previous studies showed poor compliance with using height to predict the VT. Ulna length has been used successfully to predict protective low VT. Our study aims to evaluate the ability of ulna length measurement to predict accurate protective lung VT in Egyptian people in reference to their standing height. Methods: we included adult healthy volunteers with age ≥ 18 years in this study. The height of each subject was measured while standing upright against a wall. Then, the left ulna was measured with a measuring tape from the olecranon to the mid-point of the styloid process. From ulna length, height was estimated, and protective lung VT was calculated using predicted body weight (PBW). Results: We enrolled 102 participants in this study. The agreement between the calculated VT from standing height and ulna length was analyzed with Bland Altman analysis and showed a bias of (-5.7) ml, and limits of agreements (±1.96 SD) -91 ml to 76 ml. in females, When the calculated VT of ulna length was compared to PBW from height, the predicted mean tidal volume was 6.2 ml/kg (95% confidence interval CI 4.5-7.8 ml/kg). in males, by using ulna length, the predicted mean VT was 6.1 ml/kg (95% CI 4.8-7.4 ml/kg). Conclusion: Ulna length can be used to predict protective lung VT in Egyptian people when compared to their standing height.Trial registration: NCT04644458 ClinicalTrials.gov 09/26/2021

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“…At our institution, we have developed a measuring tape for the ulna (Figure 1) that directly reads off estimated height, PBW, and tidal volume (previously reported in this journal). 4 We validated this in a sample of 100 volunteers. This tape can be rapidly used at the onset of ventilation by one person without need to alter patient position.…”

Section: Jon Rivers and Jules Brownmentioning

confidence: 99%

Inaccuracies in calculating predicted body weight and its impact on safe ventilator settings (Journal of the Intensive Care Society 2016; 17: 191–195)

Rivers

Brown

2017

Journal of the Intensive Care Society

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A calibrated measuring tape accurately predicts tidal volumes from ulna length

Abstract: Usage of a calibrated measuring tape produced accurate estimates of tidal volumes required for lung protective ventilation in healthy volunteers.

Cited by 6 publications

References 11 publications

Predicting height from ulna length for the determination of weight status in New Zealand adolescents: A cross‐sectional study

Predicting height from ulna length for the determination of weight status in New Zealand adolescents: A cross‐sectional study

Use Of Ulna Length To Predict Protective Lung Tidal Volume In Adult Egyptians

Inaccuracies in calculating predicted body weight and its impact on safe ventilator settings (Journal of the Intensive Care Society 2016; 17: 191–195)

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