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中华实验和临床感染病杂志(电子版) ›› 2022, Vol. 16 ›› Issue (04) : 275 -279. doi: 10.3877/cma.j.issn.1674-1358.2022.04.009

短篇论著

四例感染新型冠状病毒德尔塔毒株核酸复阳患者的临床特征
高萍1, 张素娟2, 寇程3, 张艳兰4, 吴雅丽3, 梁再燕5, 王凌航5,()   
  1. 1. 100015 北京,首都医科大学附属北京地坛医院综合科
    2. 100015 北京,首都医科大学附属北京地坛医院心内科
    3. 100015 北京,首都医科大学附属北京地坛医院神经内科
    4. 100015 北京,首都医科大学附属北京地坛医院儿科
    5. 100015 北京,首都医科大学附属北京地坛医院感染病急诊
  • 收稿日期:2021-11-09 出版日期:2022-08-15
  • 通信作者: 王凌航
  • 基金资助:
    "变革性技术关键科学问题"国家重点研发计划(新型冠状病毒感染复制关键宿主因子及其作用机制研究)(No. 2020YFA0707600)

Clinical characteristics of four re-positive patients infected with severe acute respiratory syndrome coronavirus 2 delta variant strain

Ping Gao1, Sujuan Zhang2, Cheng Kou3, Yanlan Zhang4, Yali Wu3, Zaiyan Liang5, Linghang Wang5,()   

  1. 1. Department of General Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    2. Department of Cardiology, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    3. Department of Neurology, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    4. Department of Pediatrics, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    5. Department of Emergency Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
  • Received:2021-11-09 Published:2022-08-15
  • Corresponding author: Linghang Wang
引用本文:

高萍, 张素娟, 寇程, 张艳兰, 吴雅丽, 梁再燕, 王凌航. 四例感染新型冠状病毒德尔塔毒株核酸复阳患者的临床特征[J]. 中华实验和临床感染病杂志(电子版), 2022, 16(04): 275-279.

Ping Gao, Sujuan Zhang, Cheng Kou, Yanlan Zhang, Yali Wu, Zaiyan Liang, Linghang Wang. Clinical characteristics of four re-positive patients infected with severe acute respiratory syndrome coronavirus 2 delta variant strain[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2022, 16(04): 275-279.

目的

分析感染新型冠状病毒(SARS-CoV-2)德尔塔毒株核酸复阳患者的临床特征。

方法

收集首都医科大学附属北京地坛医院2021年5月至2021年10月收治的4例感染SARS-CoV-2德尔塔毒株核酸复阳而再次入院患者的临床资料并行回顾性分析。

结果

4例复阳患者中男性2例,女性2例;年龄11~63岁,平均(36.75 ± 21.55)岁。首次住院:普通型2例,轻型1例,无症状感染者1例。复阳标本均为鼻咽拭子。SARS-CoV-2核酸复阳患者临床症状轻微,仅1例合并一过性胸闷,无明显发热、咳嗽、咽痛、味嗅觉改变等临床症状。复阳患者再次入院实验室指标(血常规、肝肾功能和炎性指标等)大致正常。无症状感染者及轻型患者复阳时胸部CT较复阳前无变化,有肺部感染表现的普通型患者胸部CT较复阳前有所吸收、改善。患者复阳后再次住院时间短于首次住院时间[(11.5 ± 4.95) d vs. (29.75 ± 2.12)d],差异有统计学意义(t = 6.949、P < 0.001)。

结论

感染SARS-CoV-2德尔塔毒株核酸复阳者病情持续改善,复阳作为一种核酸检测现象,并无显著临床意义,复阳原因仍需进一步研究。

Objective

To analyze the clinical characteristics of re-positive patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) delta strain.

Methods

The clinical data of four patients readmitted for SARS-CoV-2 delta variant strain infection in Beijing Ditan Hospital, Capital Medical University from May 2021 to October 2021 were analyzed, retrospectively.

Results

Total of 2 male and 2 female were collected, with the median age as (36.75 ± 21.55) years old (11-63 years old). First hospitalization: 2 cases were general type, 1 case was mild type, and 1 case was asymptomatic infected. All the re-positive specimens were nasopharyngeal swabs. Clinical symptoms were mild when patients were re-positive of SARS-CoV-2 nucleic acid, only one patient with transient chest distress; no obvious clinical symptoms of fever, cough, pharyngalgia and gustation occurred. Most laboratory indicators of re-positive patients (blood routine examination, liver and renal function, inflammatory indicators) after re-admission were roughly normal. There was no change in chest CT of re-positive inpatients compared with mild type and asymptomatic infected inpatients, and the general type infected patients with pulmonary infection showed absorption and improvement compared with those before re-positive chest CT. The duration of re-hospitalization was shorter than that of the first hospitalization [(11.5 ± 4.95) d vs. (29.75 ± 2.12) d], with significant difference (t = 6.949, P < 0.001).

Conclusions

The condition of patients with re-positive SARS-CoV-2 nucleic acid delta strain continues to improve, but as a nucleic acid detection phenomenon, it has no significant clinical significance, but the cause of re-positive SARS-CoV-2 nucleic acid still needs further discuss.

表1 4例感染德尔塔毒株复阳患者的临床资料
图1 病例1 SARS-CoV-2核酸复阳前后胸部CT影像注:A:SARS-CoV-2核酸复阳前,B:SARS-CoV-2核酸复阳后,箭头所指为病变
图2 病例4 SARS-CoV-2核酸复阳前后胸部CT影像注:A:SARS-CoV-2核酸复阳前,B:SARS-CoV-2核酸复阳后,箭头所指为病变
表2 4例患者核酸复阳前后SARS-CoV-2 ORF1ab基因和N基因Ct值
表3 4例患者核酸复阳前后新型冠状病毒抗体水平(S/CO)
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