This problem is addressed in PRISMA 2009, PRISMA 2020, AMSTAR 2, ROBIS and MECIR. The intervention, as it is understood for purposes of inclusion in the systematic review, need to be appropriately defined, as well as other elements of the eligibility criteria.
Articles that support this problem:
Systematic reviews of surgical procedures in children: quantity, coverage and quality
2013 : Journal of paediatrics and child health
Assessment of the quality of reporting for treatment components in Cochrane reviews of acupuncture
2014 : Bmj open
What's in a name? The challenge of describing interventions in systematic reviews: analysis of a random sample of reviews of non-pharmacological stroke interventions
2015 : Bmj open
Methodologically weak systematic review of Chinese herbal medicine for diabetic peripheral neuropathy calls for more rigorous trials
2013 : Focus on alternative and complementary therapies
Critical appraisal of systematic reviews on the effect of a history of periodontitis on dental implant loss
2013 : Journal of clinical periodontology
Quality of reporting in systematic reviews of implantable medical devices
2012 : Unknown
Systematic reviews of adverse effects of drug interventions: a survey of their conduct and reporting quality
2009 : Pharmacoepidemiology and drug safety
Methodological concerns about a systematic review and meta-analysis of maternal active smoking during pregnancy and low birth weight.
2019 : Nicotine and tobacco research
Reporting quality of Cochrane systematic reviews with Chinese herbal medicines
2019 : Systematic reviews
Not all systematic reviews are created equal
2018 : Canadian journal of occupational therapy
Intervention quality is not routinely assessed in Cochrane systematic reviews of radiation therapy interventions
2017 : Journal of medical imaging & radiation oncology
Clinical heterogeneity was a common problem in Cochrane reviews of physiotherapy and occupational therapy
2006 : Journal of clinical epidemiology
Overview authors rarely defined systematic reviews that are included in their overviews
2019 : Journal of clinical epidemiology
Potential Problems With Systematic Reviews and Meta-Analyses
2017 : Journal of pain
Some problems with Cochrane reviews of diet and chronic disease
2005 : European journal of clinical nutrition
Reduce variation and improve quality in meta-analyses
2014 : Annals of surgery
Characteristics and quality of systematic reviews of acupuncture, herbal medicines, and homeopathy
2003 : Complementary medicine research
Critical thinking about three meta-analyses: can vitamin D alone or with calcium prevent fractures?
2020 : Current medical research and opinion
If exercise is medicine, why don't we know the dose? An overview of systematic reviews assessing reporting quality of exercise interventions in health and disease
2022 : British journal of sports medicine
The methodological quality and clinical applicability of meta-analyses on probiotics in 2020: A cross-sectional study
2021 : Biomedicine & pharmacotherapy