What the study found
Guideline-based electroconvulsive therapy (ECT) practice still showed considerable variability in seizure adequacy and later charge adjustments across the treatment course. The authors also argue that current dosing conventions can still leave room for better technical and physiological precision.
Why the authors say this matters
The authors say continued refinement is important because ECT is highly effective, cognitive side effects can be a deterrent, and current practice may rely too heavily on older dosing conventions. They also suggest that better models, biomarkers, neuroimaging, and individualized dosing could support more accountable, data-informed practice.
What the researchers tested
The article comments on a study by Jorgensen et al. that assessed technical and clinical ECT variables using electronic health records from five Danish adult psychiatric departments. Those departments followed national guidelines using a Thymatron System IV device, bitemporal electrode placement at initiation, age-based dosing, and dose escalation when seizures were inadequate.
What worked and what didn't
The observed approach likely contributed to the reported 50% to 70% reduction in Hamilton Depression Rating Scale scores, and the authors say it helped guard against inadequate dosing. However, they also say these settings do not protect against excessive dosing, and the investigation lacked reliably recorded cognitive data.
What to keep in mind
The abstract is a commentary on another study, not a report of a new experiment by these authors. It also notes that some past efforts to improve cognitive side effects reduced efficacy, but it does not treat that as proof that all technical refinement is harmful. The summary provided does not describe detailed limitations beyond missing cognitive data and uncertainty about seizure metrics and target definition.
Key points
- ECT practice across five Danish psychiatric departments showed considerable variability in seizure adequacy and charge adjustments.
- The authors say guideline-based dosing likely contributed to a 50% to 70% reduction in Hamilton Depression Rating Scale scores.
- They argue that current upper-limit dosing parameters may prevent inadequate dosing but not excessive dosing.
- The abstract says cognitive data were not reliably recorded in the underlying investigation.
- The authors support further work on individualized dosing, neuroimaging, and E-field modeling.
Disclosure
- Research title:
- ECT practice shows variability despite guideline-based dosing
- Authors:
- Chris Abbott, Abhishek Datta, Zhi-De Deng
- Institutions:
- University of New Mexico, City College of New York, Soterix Medical (United States), National Institute of Mental Health
- Publication date:
- 2026-04-03
- OpenAlex record:
- View
Get the weekly research newsletter
Stay current with peer-reviewed research without reading academic papers — one filtered digest, every Friday.


