Epidemiological and clinical characteristics of brucellosis patients with abnormal blood routine / 中华地方病学杂志

ABSTRACT

Objective:To analyze the epidemiological characteristics, clinical features of brucellosis patients with abnormal blood routine, and to improve the awareness of brucellosis among clinicians.Methods:A total of 1 036 patients with brucellosis admitted to the Department of Brucellosis, Hulunbuir People's Hospital from January 2011 to December 2017 were selected, including 274 patients with abnormal blood routine (case group), and 762 patients with normal blood routine(conrtol group). Epidemiological characteristics, clinical features and laboratory tests were analyzed retrospectively.Results:In 274 patients of case group, there were 128 males and 146 females, and the age was (36.3 ± 18.7) years old. In 762 patients of conrtol group, there were 381 males and 381 females, and the age was (35.4 ± 20.4) years old, and there were no significant differences in sex ratio and age between the two groups ( P > 0.05). The main route of infection in the two groups was to raise livestock such as sheep and cattle, 254 cases (92.7%) and 724 cases (95.0%), respectively. The proportions of patients with dizziness symptoms were 31.0% (85/274) and 17.7% (135/762) in the two groups, and the proportions of patients with rash were 14.2% (39/274) and 3.0% (23/762), and the differences were statistically significant between the two groups (χ 2 = 21.331, 45.054, P < 0.05). The symptoms of fever, sweating and fatigue were common in both groups, and the splenomegaly was the most common sign. However, there were no significant differences in the proportion of abnormal characteristics between the two groups ( P > 0.05). Among the 274 patients in case group, 48 had leucopenia, 160 had anemia, and 148 had thrombocytopenia; and 17 had both leucopenia and anemia, 23 had both leucopenia and thrombocytopenia, and 16 had both anemia and thrombocytopenia, and 13 had leucopenia, anemia, and thrombocytopenia at the same time. Conclusions:In the brucellosis epidemic area, when the patient has symptoms such as fever, fatigue, sweating, leucopenia, anemia, and thrombocytopenia, and excluding abnormal blood routine caused by other reasons, clinicians should consider the possibility of Brucella infection.