. Author manuscript; available in PMC: 2009 May 4.

Published in final edited form as: Prog Biophys Mol Biol. 2008 Mar 5;97(2-3):543–561. doi: 10.1016/j.pbiomolbio.2008.02.024

Table 1.

Canine hemodynamic data for LBBB and CRT

	Pre-LBBB	Acute LBBB	8 weeks LBBB	Acute BVP	8 weeks LBBB + 8 weeks BVP
Heart rate (bpm)	89±9	95±9	82±11	90±12	92±10
QRS duration (ms)	69±8	119±9^a	123±11^a	108±8^a,^b	102±9^a,^b
LV SP (mmHg)	105±4	100±5	111±4	116±3	101±4
LV EDP (mmHg)	8±3	6±2	7±4	8±5	6±3
LV dP/dt_max (mmHg/s)	2263±671	1777±373^a	1798±490^a	2003±580^a,^b	2160±509^b
LV dP/dt_min (mmHg/s)	2360±296	1988±412^a	1616±274^a	1871±270^a,^b	2021±342^c
RV SP	27±5	33±7	25±7	30±7	27±4
RV EDP	4±2	4±2	4±2	6±2	4±1
RV dP/dt_max	458±138	527±227	408±176	487±236	556±227
RV dP/dt_min	334±159	309±153	264±113	313±118	309±134

LV dP/dt_max: maximal rate of increase in left ventricular (LV) pressure; LV SP: LV systolic pressure; LV EDP: LV end-diastolic pressure. Values are presented as mean ± SD.

p<0.05 compared to pre-LBBB.

p<0.05 compared to 8 weeks’ LBBB.

p<0.05 vs. acute BVP.