Table 1.
Search strategy according to the focused question (PICO)
| Database | Search equation | Results identified | Results selected |
|---|---|---|---|
| PubMed |
("Transcranial direct current stimulation" [Mesh]) AND ("Deglutition disorders" [Mesh]) ("Electric stimulation" [Mesh]) AND ("Deglutition disorders” [Mesh]) (“Transcranial electric stimulation") AND ("Deglutition disorders” [Mesh]) (“Transcranial direct current stimulation" [Mesh]) AND ("Stroke" [Mesh]) ("Electric stimulation" [Mesh]) AND ("Stroke" [Mesh]) ("Transcranial electric stimulation") AND ("Stroke" [Mesh]) ("Transcranial direct current stimulation" [Mesh]) AND (“Dysphagia”) ("Electric stimulation" [Mesh]) AND ("Dysphagia") ("Transcranial electric stimulation") AND ("Dysphagia") |
1281 | 5 |
| Medline |
(MH “transcranial direct current stimulation”) AND (MH “deglutition disorders”) (MH “electric stimulation”) AND (MH “deglutition disorders”) (”transcranial electric stimulation”) AND (MH “deglutition disorders”) (MH “transcranial direct current stimulation”) AND (MH “stroke”) (MH “electric stimulation”) AND (MH “stroke”) (”transcranial electric stimulation”) AND (“dysphagia”) (MH “transcranial direct current stimulation”) AND (“dysphagia”) (MH “electric stimulation”) AND (“dysphagia”) (”transcranial electric stimulation”) AND (“dysphagia”) |
1088 | 2 |
| Web of Science |
TS = (transcranial direct current stimulation) AND TS = (deglutition disorders) TS = (electric stimulation) AND TS = (deglutition disorders) TS = (transcranial electric stimulation) AND TS = (deglutition disorders) TS = (transcranial direct current stimulation) AND TS = (stroke) TS = (electric stimulation) AND TS = (stroke) TS = (transcranial electric stimulation) AND TS = (stroke) TS = (transcranial direct current stimulation) AND TS = (dysphagia) TS = (electric stimulation) AND TS = (dysphagia) TS = (transcranial electric stimulation) AND TS = (dysphagia) |
2179 | 1 |
| Scopus |
TITLE-ABS-KEY(transcranial direct current stimulation) AND TITLE-ABS-KEY(deglutition disorders) TITLE-ABS-KEY(electric stimulation) AND TITLE-ABS-KEY(deglutition disorders) TITLE-ABS-KEY(transcranial electric stimulation) AND TITLE-ABS-KEY(deglutition disorders) TITLE-ABS-KEY(transcranial direct current stimulation) AND TITLE-ABS-KEY(stroke) TITLE-ABS-KEY(electric stimulation) AND TITLE-ABS-KEY (stroke) TITLE-ABS-KEY(transcranial electric stimulation) AND TITLE-ABS-KEY (stroke) TITLE-ABS-KEY(transcranial direct current stimulation) AND TITLE-ABS-KEY (dysphagia) TITLE-ABS-KEY(electric stimulation) AND TITLE-ABS-KEY(dysphagia) TITLE-ABS-KEY(transcranial electric stimulation) AND TITLE-ABS-KEY(dysphagia) |
5998 | 2 |
| CINAHL |
(MH “transcranial direct current stimulation”) AND (MH “deglutition disorders”) (MH “electric stimulation”) AND (MH “deglutition disorders”) (”transcranial electric stimulation”) AND (MH “deglutition disorders”) (MH “transcranial direct current stimulation”) AND (MH “stroke”) (MH “electric stimulation”) AND (MH “stroke”) (”transcranial electric stimulation”) AND (“dysphagia”) (MH “transcranial direct current stimulation”) AND (“dysphagia”) (MH “electric stimulation”) AND (“dysphagia”) (”transcranial electric stimulation”) AND (“dysphagia”) |
879 | 1 |