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- W4386967413 abstract "Abstract Implementing a standardized phosphorus‐31 magnetic resonance spectroscopy ( 31 P‐MRS) dynamic acquisition protocol to evaluate skeletal muscle energy metabolism and monitor muscle fatigability, while being compatible with various longitudinal clinical studies on diversified patient cohorts, requires a high level of technicality and expertise. Furthermore, processing data to obtain reliable results also demands a great degree of expertise from the operator. In this two‐part article, we present an advanced quality control approach for data acquired using a dynamic 31 P‐MRS protocol. The aim is to provide decision support to the operator to assist in data processing and obtain reliable results based on objective criteria. We present here, in part 1, an advanced data quality control (QC) approach of a dynamic 31 P‐MRS protocol. Part 2 is an impact study that will demonstrate the added value of the QC approach to explore data derived from two clinical populations that experience significant fatigue, patients with coronavirus disease 2019 and multiple sclerosis. In part 1, 31 P‐MRS was performed using 3‐T clinical MRI in 175 subjects from clinical and healthy control populations conducted in a University Hospital. An advanced data QC score (QCS) was developed using multiple objective criteria. The criteria were based on current recommendations from the literature enriched by new proposals based on clinical experience. The QCS was designed to indicate valid and corrupt data and guide necessary objective data editing to extract as much valid physiological data as possible. Dynamic acquisitions using an MR‐compatible ergometer ran over a rest (40 s), exercise (2 min), and a recovery phase (6 min). Using QCS enabled rapid identification of subjects with data anomalies, allowing the user to correct the data series or reject them partially or entirely, as well as identify fully valid datasets. Overall, the use of the QCS resulted in the automatic classification of 45% of the subjects, including 58 participants who had data with no criterion violation and 21 participants with violations that resulted in the rejection of all dynamic data. The remaining datasets were inspected manually with guidance, allowing acceptance of full datasets from an additional 80 participants and recovery phase data from an additional 16 subjects. Overall, more anomalies occurred with patient data (35% of datasets) compared with healthy controls (15% of datasets). In conclusion, the QCS ensures a standardized data rejection procedure and rigorous objective analysis of dynamic 31 P‐MRS data obtained from patients. This methodology contributes to efforts made to standardize 31 P‐MRS practices that have been underway for a decade, with the goal of making it an empowered tool for clinical research." @default.
- W4386967413 created "2023-09-23" @default.
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- W4386967413 date "2023-10-05" @default.
- W4386967413 modified "2023-10-16" @default.
- W4386967413 title "Alteration of skeletal muscle energy metabolism assessed by phosphorus‐31 magnetic resonance spectroscopy in clinical routine, part 1: Advanced quality control pipeline" @default.
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- W4386967413 doi "https://doi.org/10.1002/nbm.5025" @default.
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