Pressure unit inconsistency in the Medical Measurement Systems ASCII-file

Taher Omari

doi:10.1111/nmo.13927

Pressure unit inconsistency in the Medical Measurement Systems ASCII-file

Taher Omari

College of Medicine and Public Health

Research output: Contribution to journal › Comment/debate

1 Citation (Scopus)

Abstract

Background: To apply novel analysis methods for processing high-resolution pressure-impedance motility parameters, raw data acquired by commercial motility systems are exported and analyzed externally using purposed-designed software. Methods: Data acquired by the Medical Measurement Systems (MMS) motility equipment are exported from MMS in different file formats. Key Results: MMS studies that are exported to ASCII-file format will be in cmH₂O units even though acquired and displayed by the MMS system in mmHg units (1 mmHg would be exported as 1.36 cmH₂O). Conclusions & Inferences: Due to this issue, investigators may unknowingly generate pressure data in incorrect units, data exported from MMS in ASCII-file format need to be divided by a factor 1.36 to convert cmH₂O to mmHg.

Original language	English
Article number	e13927
Number of pages	2
Journal	Neurogastroenterology and Motility
Volume	33
Issue number	1
Early online date	6 Jul 2020
DOIs	https://doi.org/10.1111/nmo.13927
Publication status	Published - Jan 2021

Keywords

data analysis
high-resolution manometry
motility systems
pressure measurement

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10.1111/nmo.13927Licence: In Copyright

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title = "Pressure unit inconsistency in the Medical Measurement Systems ASCII-file",

abstract = "Background: To apply novel analysis methods for processing high-resolution pressure-impedance motility parameters, raw data acquired by commercial motility systems are exported and analyzed externally using purposed-designed software. Methods: Data acquired by the Medical Measurement Systems (MMS) motility equipment are exported from MMS in different file formats. Key Results: MMS studies that are exported to ASCII-file format will be in cmH2O units even though acquired and displayed by the MMS system in mmHg units (1 mmHg would be exported as 1.36 cmH2O). Conclusions & Inferences: Due to this issue, investigators may unknowingly generate pressure data in incorrect units, data exported from MMS in ASCII-file format need to be divided by a factor 1.36 to convert cmH2O to mmHg.",

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author = "Taher Omari",

year = "2021",

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doi = "10.1111/nmo.13927",

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AB - Background: To apply novel analysis methods for processing high-resolution pressure-impedance motility parameters, raw data acquired by commercial motility systems are exported and analyzed externally using purposed-designed software. Methods: Data acquired by the Medical Measurement Systems (MMS) motility equipment are exported from MMS in different file formats. Key Results: MMS studies that are exported to ASCII-file format will be in cmH2O units even though acquired and displayed by the MMS system in mmHg units (1 mmHg would be exported as 1.36 cmH2O). Conclusions & Inferences: Due to this issue, investigators may unknowingly generate pressure data in incorrect units, data exported from MMS in ASCII-file format need to be divided by a factor 1.36 to convert cmH2O to mmHg.

KW - data analysis

KW - high-resolution manometry

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KW - pressure measurement

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ER -

Pressure unit inconsistency in the Medical Measurement Systems ASCII-file

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