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Critical care outcome of pulmonary artery hypertension
Critical Care volume 15, Article number: P494 (2011)
Critical care (CC) outcome in pulmonary hypertension (PH) is not well documented, but is generally assumed to be poor. We therefore investigated the critical care outcome in 8 years of noncardiothoracic admissions to a PH supraregional centre.
We recorded the following data in PH patients admitted to CC: demography, aetiology, cardiovascular parameters including NYHA classification, R heart catheter and shuttle test distance (most recent assessment) along with organ support data. We recorded the length of stay (hours) in CC, CC and hospital outcome, 1-year survival and eventual outcome.
Forty-seven patients were admitted (33 women), six required invasive ventilation, another six required non-invasive ventilation (NIV), 18 needed inotropic support and nine required CVVH. For survival to discharge, ROC analysis of shuttle distance demonstrated an asymptotic significance of P = 0.04 and an area of 0.71 (95% CI = 0.52 to 0.91) with 83% sensitivity and 65% specificity for a shuttle of 255 metres. Those with a shuttle over 255 metres had an average unit survival of 94%, 88% at hospital discharge and 47% at 1 year. Those below 255 metres had an average survival of 56%, 44% and 33%, respectively. Five out of six invasively ventilated patients died in hospital, but one lived for more than a year after discharge. Three out of six patients receiving NIV died in hospital but three lived for more than a year after discharge. Seventeen out of 18 who required inotropic support were dead at 1 year and 74% died before hospital discharge. For CVVH, five died and four lived. Overall survival: 64% survived to leave CC, 55% were discharged home alive and 34% were alive at 1 year. See Table 1.
More than one-half of PH patients admitted to CC survive to be discharged home. Shuttle distance gives an indication of likely average survival.
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Philips, A., Hurdman, J., Batuwitage, B. et al. Critical care outcome of pulmonary artery hypertension. Crit Care 15, P494 (2011). https://doi.org/10.1186/cc9914
- Pulmonary Hypertension
- Hospital Discharge
- Critical Care
- Inotropic Support
- Average Survival