Abstract:Objective To investigate the factors affecting the therapeutic efficacy of conventional treatment for essential hypertension (EH) patients with left ventricular hypertrophy (LVH).Methods Four hundred patients with EH and LVH who received irbesartan treatment in our hospital from January 2018 to January 2020 were selected and divided into effective group (n = 359) and ineffective group (n = 41) according to the therapeutic efficacy. The general data, the incidence of intermittent left bundle branch block (LBBB) and heart rate variability (HRV) indexes before treatment were compared between the two groups. The factors potentially contributing to poor curative effects in EH patients with LVH were analyzed by multivariable Logistic regression.Results The treatment was markedly effective in 269 cases, effective in 90 cases, and ineffective in 41 cases, with the overall effective rate being 89.75%. There was no significant difference in gender or VLF and LF / HF at admission between the two groups (P > 0.05). However, there were significant differences in age, course of hypertension, blood pressure, the degree of LVH, the incidence of intermittent LBBB, SDNN, RMSSD, pNN50, HF and LF at admission between the two groups (P < 0.05). The multivariable Logistic regression showed that age ≥ 65 years, course of hypertension ≥ 10 years, high diastolic and systolic blood pressure at admission, severe LVH at admission, the presence of intermittent LBBB at admission and SDNN, RMSSD, HF and LF at admission were the risk factors for the failure of conventional treatment in EH patients with LVH (P < 0.05).Conclusions The therapeutic efficacy of conventional treatment for EH patients with LVH is affected by a myriad of factors, among which the combination of intermittent LBBB and reduced HRV are related to the poor effect.