https://www.selleckchem.com/products/pi4kiiibeta-in-10.html Sensitivity, specificity, negative likelihood ratio, positive likelihood ratio and diagnostic odds ratio were 0.99 (95% CI, 0.97 to 1.00), 0.49 (95% CI, 0.47 to 0.51), 0.07 (95% CI, 0.02 to 0.24), 1.86 (95% CI, 1.72 to 2.01) and 25.10 (95% CI, 7.18 to 87.70) respectively. Based on the QUADAS-2 criteria, most studies presented low risk of bias and concern regarding applicability. CONCLUSIONS Application of the OKR can rule out knee fracture and thus avoid unnecessary radiography. These results also translate to improved efficiency, lower medical costs and reduced waiting times. KEY POINTS • The Ottawa Knee Rule helps clinicians to rule out fracture in adults with an acute knee injury. • The rule allows a reduction in radiography requests, patient waiting time in the emergency department and healthcare costs.OBJECTIVES The aim of this study is to evaluate the efficacy of prophylactic internal iliac artery balloon occlusion combined with Pituitrin intra-arterial infusion in the control of postpartum hemorrhage in women with placenta accreta spectrum (PAS). METHODS This is a prospective and non-randomized controlled study. The participants were assigned into three groups without balloon catheterization (non-BC) group, balloon catheterization (BC) group, and Pituitrin combined with balloon catheterization (PBC) group. The primary outcomes were estimated blood loss (EBL) and the units of transfused packed red blood cells (PRBC). The secondary outcome was the incidence of hysterectomy. RESULTS A total of 100 participants were recruited between August 2013 and November 2018 and assigned into the respective groups as follows 27 in the non-BC group, 22 in the BC group, and 51 in the PBC group. No statistical differences were found in demographic characteristics among the three groups. There was a trend of lower EBL, PRBC, and hysterectomy rate in the BC group than those in the non-BC group, while all values showed no