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Case Rep Womens Health ; 31: e00321, 2021 Jul.
Article in English | MEDLINE | ID: covidwho-1213126


The effects of SARS-CoV-2 infection in the first trimester on the pregnant woman and the fetus remain unclear. We describe the complete follow-up of a pregnant woman with asymptomatic SARS-CoV-2 infection in the first trimester. The woman tested positive for SARS-CoV-2 viral RNA in nasopharyngeal swabs in her seventh week of gestation and was admitted to a local hospital for treatment. Although the woman had a BMI above 28 and a total gestational weight gain of 21 kg, no pregnancy complications or severe complications related to SARS-CoV-2 were reported. An ultrasound scan identified no fetal abnormalities at 22 weeks. The pregnancy ended at term (37 weeks), and the newborn's birth weight was 3100 g. Placental insufficiency was revealed by placental histology examination but this appeared not to be related to the SARS-CoV-2 infection. In-situ hybridisation and immunohistochemical tests for SARS-CoV-2 RNA, spike protein 1, and nucleocapsid proteins were negative. However, ACE-2 was positive in samples of the placenta, umbilical cord and fetal membrane. The baby was followed up through to 10 days after birth and grew normally. Our results suggest that asymptomatic SARS-CoV-2 infection in the first trimester of pregnancy might not have significant harmful effects on the mother and the developing fetus. This finding may be of interest to the general public, midwives and general practitioners. However, large population studies are needed to confirm our findings.

Biomed Environ Sci ; 33(12): 893-905, 2020 Dec 20.
Article in English | MEDLINE | ID: covidwho-1060079


OBJECTIVE: Several COVID-19 patients have overlapping comorbidities. The independent role of each component contributing to the risk of COVID-19 is unknown, and how some non-cardiometabolic comorbidities affect the risk of COVID-19 remains unclear. METHODS: A retrospective follow-up design was adopted. A total of 1,160 laboratory-confirmed patients were enrolled from nine provinces in China. Data on comorbidities were obtained from the patients' medical records. Multivariable logistic regression models were used to estimate the odds ratio ( OR) and 95% confidence interval (95% CI) of the associations between comorbidities (cardiometabolic or non-cardiometabolic diseases), clinical severity, and treatment outcomes of COVID-19. RESULTS: Overall, 158 (13.6%) patients were diagnosed with severe illness and 32 (2.7%) had unfavorable outcomes. Hypertension (2.87, 1.30-6.32), type 2 diabetes (T2DM) (3.57, 2.32-5.49), cardiovascular disease (CVD) (3.78, 1.81-7.89), fatty liver disease (7.53, 1.96-28.96), hyperlipidemia (2.15, 1.26-3.67), other lung diseases (6.00, 3.01-11.96), and electrolyte imbalance (10.40, 3.00-26.10) were independently linked to increased odds of being severely ill. T2DM (6.07, 2.89-12.75), CVD (8.47, 6.03-11.89), and electrolyte imbalance (19.44, 11.47-32.96) were also strong predictors of unfavorable outcomes. Women with comorbidities were more likely to have severe disease on admission (5.46, 3.25-9.19), while men with comorbidities were more likely to have unfavorable treatment outcomes (6.58, 1.46-29.64) within two weeks. CONCLUSION: Besides hypertension, diabetes, and CVD, fatty liver disease, hyperlipidemia, other lung diseases, and electrolyte imbalance were independent risk factors for COVID-19 severity and poor treatment outcome. Women with comorbidities were more likely to have severe disease, while men with comorbidities were more likely to have unfavorable treatment outcomes.

COVID-19/complications , Adult , Aged , COVID-19/epidemiology , COVID-19/therapy , COVID-19/virology , China/epidemiology , Comorbidity , Female , Humans , Male , Middle Aged , Retrospective Studies , Severity of Illness Index , Treatment Outcome