Systematic Review of Training Communication Partners of Chinese-speaking Persons With Aphasia.
Anthony Pak-Hin Kong, Kristie Pui-Yan Chan, Caroline Jagoe
PMID 34977535WHAT IT FOUND
Training communication partners for Chinese-speaking people with aphasia shows promise, but evidence is weak.
Most studies lacked control groups or blinding, and many included acute patients where natural recovery confounds results. Task-shifting and partner training differ in goals and should not be conflated.
Key findings
01Most reviewed studies were low quality, with the majority of Communication Partner Training (CPT) studies classified as Class IV evidence and lacking controlled designs.
02Task-shifting interventions (training partners to deliver therapy tasks) were common in China and showed positive changes in language impairment, but often used unvalidated self-developed rating scales.
03Many CPT studies included patients in the acute phase, meaning observed improvements could be due to spontaneous recovery rather than the intervention itself.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The majority of studies were of low methodological quality, lacking randomization, blinding, and control groups. Many studies used self-developed rating scales without established reliability or validity. A high proportion of CPT studies included patients in the acute phase, making it difficult to separate treatment effects from spontaneous recovery. The review was restricted to Chinese-language literature, which may limit generalizability to other cultural contexts, although it provides specific insights for Chinese-speaking populations. Task-shifting and CPT were sometimes conflated in the literature, complicating the interpretation of specific intervention effects.
Declared interests
The paper does not explicitly state funding sources or conflicts of interest in the provided text, but notes that it is the first systematic review of this topic in Chinese-language literature.
The easy way to misread this
Do not interpret the positive outcomes in these studies as proof of efficacy. Most studies lacked control groups, used unvalidated measures, or included acute patients where natural recovery likely accounted for the improvements. The evidence is currently too weak to support definitive conclusions about the effectiveness of partner training for Chinese-speaking persons with aphasia.