This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

Transfusion of plasma, platelets, and red blood cells in a 1:1:1 vs a 1:1:2 ratio and mortality in patients with severe trauma. The PROPPR randomized clinical trial. JAMA 2015; 313: 471-482.

Published: 14th April 2015

Authors: Holcomb JB, Tilley BC, Baraniuk S, Fox EE, Wade CE, Podbielski JM et al. et al.

Conclusion

In this study that included 680 patients, early resuscitation with the 1:1:1 regimen did not affect the primary trial endpoint (death within 30 days: 22.4 versus 26.1 per cent), but did improve haemostasis, and reduce the rate of death from exsanguination within 24h.

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Hypothermic oxygenated machine perfusion reduces early allograft injury and improves post-transplant outcomes in extended criteria donation liver transplantation from donation after brain death. Ann Surg 2021; 274: 705-712.

Authors: Czigany Z, Pratschke J, Froněk J, Guba M, Schöning W, Raptis DA et al.

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Open preperitoneal inguinal hernia repair, TREPP versus TIPP in a randomized clinical trial. Ann Surg 2021; 274: 698-704.

Authors: Bökkerink W, Koning G, Vriens PW, Mollen R, Harker M, Noordhof RK et al.

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Incisional surgical site infections after mass and layered closure of upper abdominal transverse incisions. First results of a randomized controlled trial. Ann Surg 2021; 274: 690-697.

Authors: Grąt M, Morawski M, Krasnodębski M, Borkowski J, Krawczyk P, Grąt K et al.

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Central venous access devices for the delivery of systemic anticancer therapy (CAVA): a randomised controlled trial. Lancet 2021; 398: 403-415.

Authors: Moss JG, Wo O, Bodenham AR, Agarwal R, Menne TF, Jones BL et al.

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Initial laparotomy versus peritoneal drainage in extremely low birthweight infants with surgical necrotizing enterocolitis or isolated intestinal perforation. A multicenter randomized clinical trial. Ann Surg 2021; 274: e370-e380.

Authors: Blakely M, Tyson JE, Lally KP, Hintz SR, Eggleston B, Stevenson DK et al.

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Randomized controlled study investigating the effect of a dedicated in-house art gallery on the recovery of patients after major oncologic surgery. Ann Surg 2021; 274: 264-270.

Authors: Lone Z, Hussein AA, Khan H, Steele M, Jing Z, Attwood K et al.

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Meta-analysis and systematic review of the use of a prosthetic mesh for prevention of parastomal hernia. Ann Surg 2021; 274: 20-28.

Authors: Prudhomme M, Fabbro-Peray P, Rullier E, Occean BV, Bertrand MM

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Oxygenated end-hypothermic machine perfusion in expanded criteria donor kidney transplant. A randomized clinical trial. JAMA Surg 2021; 156: 517-525.

Authors: Husen P, Boffa C, Jochmans I, Krikke C, Davies L, Mazilescu L et al.

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Association of intravenous tranexamic acid with thromboembolic events and mortality. A systematic review, meta-analysis, and meta-regression. JAMASurg 2021; 156: e210884.

Authors: Taeuber I, Weibel S, Herrmann E, Neef V, Schlesinger TS, Kranke P et al.

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Effect of a predictive model on planned surgical duration accuracy, patient wait time, and use of presurgical resources. A randomized clinical trial. JAMA Surg 2021; 156 :315-321.

Authors: Strömblad CT, Baxter-King R, Meisami A, Yee S-J, Levine MR, Ostrovsky A et al.

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Early corticosteroid cessation vs long-term corticosteroid therapy in kidney transplant recipients. Long-term outcomes of a randomized clinical trial. JAMA Surg 2021; 156: 307-314.

Authors: Woodle ES, Gill JS, Clark S, Stewart D, Alloway R, First R et al.

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Robotic versus laparoscopic ventral hernia repair. One-year results from a prospective, multicenter, blinded randomized controlled trial. Ann Surg 2021; 273: 1076-1080.

Authors: Dhanani N, Olavarria O, Holihan J, Shah S, Wilson T, Loor M et al.