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1.	Ahmad, T, et al. (author) Global patient outcomes after elective surgery: prospective cohort study in 27 low-, middle- and high-income countries 2016 In: British journal of anaesthesia. - : Elsevier BV. - 1471-6771 .- 0007-0912. ; 117:5, s. 601- Journal article (peer-reviewed)
2.	Ahmad, T, et al. (author) In-hospital clinical outcomes after upper gastrointestinal surgery: Data from an international observational study 2017 In: European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. - : Elsevier BV. - 1532-2157 .- 0748-7983. ; 43:12, s. 2324-2332 Journal article (peer-reviewed)
3.	Ahmad, T, et al. (author) Use of failure-to-rescue to identify international variation in postoperative care in low-, middle- and high-income countries: a 7-day cohort study of elective surgery 2017 In: British journal of anaesthesia. - : Elsevier BV. - 1471-6771 .- 0007-0912. ; 119:2, s. 258-266 Journal article (peer-reviewed)
4.	Åneman, Anders, 1965, et al. (author) Tezosentan normalizes hepatomesenteric perfusion in a porcine model of cardiac tamponade. 2009 In: Acta anaesthesiologica Scandinavica. - : Wiley. - 1399-6576 .- 0001-5172. ; 53:2, s. 203-9 Journal article (peer-reviewed)abstract BACKGROUND: To investigate endothelin-1 (ET-1)-dependent hepatic and mesenteric vasoconstriction, and oxygen and lactate fluxes in an acute, fixed low cardiac output (CO) state. METHODS: Sixteen anesthetized, mechanically ventilated pigs were studied. Cardiac tamponade was established to reduce portal venous blood flow (Q(PV)) to 2/3 of the baseline value. CO, hepatic artery blood flow (Q(HA)), Q(PV), hepatic laser-Doppler flow (LDF), hepatic venous and portal pressure, and hepatic and mesenteric oxygen and lactate fluxes were measured. Hepatic arterial (R(HA)), portal (R(HP)) and mesenteric (R(mes)) vascular resistances were calculated. The combined ET(A)-ET(B) receptor antagonist tezosentan (RO 61-0612) or normal saline vehicle was infused in the low CO state. Measurements were made at baseline, after 30, 60, 90 min of tamponade, and 30, 60, 90 min following the infusion of tesozentan at 1 mg/kg/h. Results: Tamponade decreased CO, Q(PV), Q(HA), LDF, hepatic and mesenteric oxygen delivery, while hepatic and mesenteric oxygen extraction and lactate release increased. R(HA), R(HP) and R(mes) all increased. Ninety minutes after tesozentan, Q(PV), LDF and hepatic and mesenteric oxygen delivery and extraction increased approaching baseline values, but no effect was seen on CO or Q(HA). Hepatic and mesenteric handling of lactate converted to extraction. R(HA), R(HP) and R(mes) returned to baseline values. No changes were observed in these variables among control animals not receiving tesozentan. Conclusion: In a porcine model of acute splanchnic hypoperfusion, unselective ET-1 blockade restored hepatomesenteric perfusion and reversed lactate metabolism. These observations might be relevant when considering liver protection in low CO states.

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Type of publication: journal article (4)

Type of content: peer-reviewed (4)

Author/Editor: Bai, Y. (3); Brown, J. (3); Chen, C. (3); Chen, H. (3); Chen, S. (3); Francis, D. (3); show more...; Huang, Y. (3); Li, B. (3); Li, H. (3); Liu, B. (3); Liu, M. (3); Liu, Y. (3); March, L. (3); Pinder, A. (3); Sanchez, A. (3); Silva, J. (3); Walker, R. (3); Wang, F. (3); Wang, J. (3); Webb, S. (3); White, S. (3); Williams, S. (3); Wilson, A. (3); Xu, L. (3); Yang, Y. (3); Zhang, H. (3); Zhang, J. (3); Zhang, L. (3); Zhu, Y. (3); Brenner, L. (3); Simon, D. (3); Zhou, C. (3); Brown, G. (3); Ellis, K. (3); Rose, A. (3); Zhao, L. (3); Ahmad, A. (3); He, M. (3); Ryan, P. (3); Schmitz, M. (3); Zhao, T. (3); Gupta, A. (3); Joseph, J. (3); Kennedy, J. (3); Li, J. (3); Yuan, J. (3); Zhang, Q. (3); Ren, Y. (3); Martin, J. (3); Alexander, M. (3); show less...

University: Karolinska Institutet (3); University of Gothenburg (1); Linköping University (1); Lund University (1)

Language: English (4)

Research subject (UKÄ/SCB): Medical and Health Sciences (4)

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