The phrase "ambulatory studies" is correct and usable in written English.
It can be used in contexts related to research or clinical trials that involve participants who are able to walk and move around, typically in a healthcare or medical setting.
Example: "The researchers conducted ambulatory studies to assess the effects of the new medication on patients' mobility."
Alternatives: "outpatient studies" or "walking studies".
Taylor, S. "Characterizing Electrodermal Responses during Sleep in a 30-day Ambulatory Study", MIT Master's Thesis, September 2016.
Technological innovations now allow for detailed ambulatory study of emotion across domains of subjective experience, overt behavior and physiology.
An ambulatory study of phobics who were afraid of highway driving showed a concordance between self-reported anxiety during driving, autonomic activation, hypocapnia, and sighing respiration.
The strength of the study was that it was a multi-centric, double blind, placebo controlled trial, with good adherence and minimal follow-up in spite of ambulatory study design.
The prevalence of MSK abnormalities in this ambulatory study population was also estimated for each anatomical region.
In an ambulatory study, Brosschot and colleagues [ 36] noted reduced nighttime parasympathetic tone (as indexed by heart rate variability) and higher heart rate among participants who had reported experiencing a greater number of stressors in the preceding day relative to those who reported experiencing less stress.
These challenges are currently being studied in clinical trials of longer duration that will transition from in-clinic to ambulatory clinical studies.
All of these prolonged ambulatory motility studies were done using intraluminal pressure monitoring techniques, which record contraction of the circular muscles of the esophagus.
Meanwhile, semi-automatic scoring from sleep diaries and actigraphy are commonly used in ambulatory sleep studies, but significant effort is required by users to maintain accurate diaries, and for researchers to check their entries for anomalies.
So far, two randomized crossover ambulatory clinical studies have been carried out.
