Table 1.

Summary of SCD Right Heart Catheterization Studies

Hemodynamic values from right heart catheterization studies in SCD.

First Author (Ref.#)	Number of Subjects Screened	Exclusions	Criteria for RHC	Number of RHCs	Number of Subjects with PH*	% of RHC with PH	% of Screened Subjects with PH	Mean Age of PH Subjects	mPAP (mmHg)	PVR (dyne* sec/cm5)	CO (Liters/min)	6MWD (m)	Duration of Follow-up (yrs)	Mortality in PH group
Mehari et al.(100)	533	none	TRV ≥2.8m/s 6MWD < 500m unexplained dyspnea or desaturation	86	56	65	11	41	36 ± 9	229 ± 149	8 ± 3	358 ± 113	4.4	36%
Parent et al. (85)	445	renal insufficiency restrictive lung disease liver disease	TRV ≥ 2.5m/s	96	24	25	5	45	30 ± 6	138 ± 58	9 ± 2	404 ± 94	2.2	13%
Fonseca et al (84)	80	none	TRV ≥ 2.5m/s	26	8	31	10	46	33 ± 9	179 ± 120§	5 ± 2£	460 ± 152	2.8¤	38%

^*Pulmonary hypertension defined as mean PAP≥25mmHg

^#Median (interquartile range)

^§converted mean value: PVR measured in Woods units as 2.24 ±1.5

^£Cardiac index (L/min/m2)

^¤Estimated from figure in epub