Guidance significance of sputum smear on sputum culture / 国际检验医学杂志

ABSTRACT

Objective To understand the guidance significance of sputum smear on the sputum culture by comparing the micro-scopic detection results of sputum smear with the sputum culture results in 227 cases.Methods 227 cases of sputum specimen were collected for observing the character and smear staining by microscopy.These specimens were divided into the class A,B,C and D according to the standards and simultaneously conducted the culture.The relationship between smear and culture was analyzed.Reˉ sults Among 227 cases of sputum specimen,158 cases were qualified and accounted for 69.60%,and 69 cases were unqualified and accounted for 30.40%.Potential pathogens were detected in 128 cases,the positive detection rate was 56.39%,the positive detec-tion rate of qualified sputum specimens was 70.39% and which of unqualified sputum specimens was 28.00%.The coincidence rate of qualified sputum specimen smear results and the culture results was 72.78%.The positive rate of cytophagic bacteria in the qual-ified sputum specimens was 11.72%,in which 14 cases of cytophagic bacteria were the qualified class A sputum specimens with the positive rate of 16.67% and 5 cases of cytophagic bacteria were the class B sputum specimens with the positive rate of 6.76 %. Conclusion The sputum smear microscopic detection can provide the important information for the diagnosis and treatment of re-spiratory infections and the sputum smear has the important guiding significance for sputum culture.