The authors evaluated the prevalence of right to left shunt in 40 subjects w ith cluster headache (CH) vs 40 subjects without primary headaches or cerebrovas cular disease. The diagnosis of shunt was made by means of ...The authors evaluated the prevalence of right to left shunt in 40 subjects w ith cluster headache (CH) vs 40 subjects without primary headaches or cerebrovas cular disease. The diagnosis of shunt was made by means of transcranial Doppler with contrast medium. A shunt was found in 17 CH patients (42.5%) and in 7 cont rols (17.5%) (p = 0.029; OR = 3.48; 95%CI = 1.13 to 10.69).展开更多
文摘The authors evaluated the prevalence of right to left shunt in 40 subjects w ith cluster headache (CH) vs 40 subjects without primary headaches or cerebrovas cular disease. The diagnosis of shunt was made by means of transcranial Doppler with contrast medium. A shunt was found in 17 CH patients (42.5%) and in 7 cont rols (17.5%) (p = 0.029; OR = 3.48; 95%CI = 1.13 to 10.69).