Studies showing the prevalence of perioperative complications after non-cardiac surgery in pulmonary hypertension (PH) patients
| Authors, year [ref.] | Study type | N | PH diagnosis | Aetiology of PH | GA | Major surgery | Mortality | Morbidity |
| Ramakrishna et al. 2005 [34] | Retrospective no control | 145 | TTE or RHC | Group 1 45% Group 3 19% Group 4 8% | 100% | 79% | 7% | 42% |
| Minai et al. 2006 [36] | Retrospective no control | 28# | RHC | Group 1 100% | 79% | 86% | 18% | 19% |
| Lai et al. 2007 [37] | Retrospective no control | 62 | TTE | Group 1 18% Group 2 21% Group 3 21% | 58% | 65% | 9.7% | 24% |
| Price et al. 2010 [29] | Retrospective no control | 28 | RHC | Group 1 72% Group 4 28% | 50% | 57% | 7% | 29% |
| Memtsoudis et al. 2010 [38] | Retrospective 1:3 matching with no-PH | 3543 | Not specified | NA | NA | 100% (THR/TKR) | 2.4% (versus 0.9% in no-PH) | NA |
| Kaw et al. 2010 [33] | Retrospective controlled | 96 | RHC | Group 1 12% Group 2 40% Group 5 48% | 100% | 48% | 1% | 28% |
| Meyer et al. 2013 [32] | Prospective no control | 114 | RHC | Group 1 100% | 82% | 69% | 3.5% | 6.1% |
| Seyfarth et al. 2015 [39] | Retrospective no control | 31 | RHC | Group 1 74% Group 3 10% Group 4 16% | 77% | 100% | 3% | 25% |
| Smilowitz et al. 2019 [40] | Retrospective controlled | 3500 | Variable¶ | Group 1 100% | NA | All types | 8.3% | 12.9% |
| Deljou et al. 2019 [41] | Retrospective no control | 196 | RHC | Group 1 74% Group 3 14% Group 4 13% | 100% | 45% | 3% | 27% |
GA: general anaesthesia; NA: not available; RHC: right heart catheterisation; TTE: transthoracic echocardiography; THR: total hip replacement; TKR: total knee replacement. #: N=21 patients underwent 28 procedures. ¶: 149 (4.3%) patients had RHC, others were reported PAH.