Previous Treatment Failure or Default Increased the Risk of Massive Hemoptysis in PTB Patients

Xi Liu, Li Ding^* and Jinyu Xia

Department of Infectious Diseases, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China

^*Corresponding Author: Li Ding, Department of Infectious Diseases, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China, Tel: +8613926921192 Email: