Safety of Vitamin K in mechanical heart valve patients with supratherapeutic INR: A systematic review and meta-analysis.

Background: Patients who had mechanical heart valves and an international normalized ratio (INR) of >5.0 should be managed by temporary cessation of vitamin K antagonist. This study aimed to investigate the safety of low-dose vitamin K1 in patients with mechanical heart valves who have supratherapeutic INR.

Effectiveness of thiamine therapy in mortality rate in patients with septic shock: A systematic review and meta-analysis.

Background: Septic shock is a serious condition leading to increased mortality. Despite previous report of no benefit, thiamine has emerged as potential therapy to reduce mortality in septic shock patients. This study aimed to investigate the effect of thiamine in mortality rate in patients with septic shock.