biostudies-literatureUnknown2(1)Lanini IPhilip and Irene Toll Gage FoundationEnte Cassa di Risparmio di Firenze<h4>Background</h4>An amplified and/or prolonged surgical stress response might overcome the organs' functional reserve, thus leading to postoperative complications. The aim of this systematic literature review is to underline how specific psychological interventions may contribute to improve surgical outcomes through the positive modulation of the surgical stress response in surgical patients.<h4>Methods</h4>We conducted a comprehensive literature search in the Cochrane Register of Controlled Trials, PubMed, EMBASE, Scopus, PsycINFO, and CINAHL databases. Only studies published in English from Jan 2000 to Apr 2022 and reporting pain and/or anxiety among outcome measures were included in the review. The following psychological interventions were considered: (1) relaxation techniques, (2) cJournal of anesthesia, analgesia and critical care31https://www.ebi.ac.uk/biostudies/studies/S-EPMC10245433biostudies-literatureThe influence of psychological interventions on surgical outcomes: a systematic review.PMC10245433Fabbri SLanini ICalabrisotto CSRomagnoli SFalsini SAdembri CAmass TDi Filippo AVilla GfalseThe influence of psychological interventions on surgical outcomes: a systematic review.<h4>Background</h4>An amplified and/or prolonged surgical stress response might overcome the organs' functional reserve, thus leading to postoperative complications. The aim of this systematic literature review is to underline how specific psychological interventions may contribute to improve surgical outcomes through the positive modulation of the surgical stress response in surgical patients.<h4>Methods</h4>We conducted a comprehensive literature search in the Cochrane Register of Controlled Trials, PubMed, EMBASE, Scopus, PsycINFO, and CINAHL databases. Only studies published in English from Jan 2000 to Apr 2022 and reporting pain and/or anxiety among outcome measures were included in the review. The following psychological interventions were considered: (1) relaxation techniques, (2) c2022-01-01T00:00:00Z2022 Jul2025-07-09T03:04:22.311Z2025-04-05T14:51:21.386ZS-EPMC102454333738659110.1186/s44158-022-00057-4