Background: Social distancing measures are used to reduce the spreading of infection. Our aim was to assess the immediate effects of national lockdown orders due to coronavirus disease 2019 (COVID-19) on pediatric emergency room (ER) visits and respiratory tract infections in hospitals and nationwide in Finland. Methods: This register-based study used hospital patient information systems and the Finnish national infectious disease register. The participants were all patients visiting pediatric ER in 2 Finnish hospitals (Kuopio University Hospital, Mikkeli Central Hospital) covering 1/5th of the Finnish children population, 4 weeks before and 4 weeks after the start of the nationwide lockdown on March 16, 2020. Nationwide weekly numbers of influenza (A + B) and respiratory syncytial virus (RSV) in children were assessed from the infectious disease register from 2015 to 2020. Results: A major decrease in the rate of daily median pediatric ER visits was detected in both hospitals in the study during the nationwide lockdown compared with the study period before the lockdown (Mikkeli, 19 vs. 7, P < 0.001; Kuopio, 9 vs. 2,5, P < 0.001). The influenza season was shorter (8 weeks from peak to no cases), and the weekly rate of new cases decreased faster compared with the previous 4 influenza seasons (previously 15–20 weeks from peak to no cases). A similar decrease was also seen in RSV cases. No pediatric cases of COVID-19 were found in participating hospitals during the study period. Conclusion: These results strongly suggest that social distancing and other lockdown strategies are effective to slow down the spreading of common respiratory viral diseases and decreasing the need for hospitalization among children.
Objective To investigate the impact of gestational exposure to selective serotonin reuptake inhibitors (SSRIs) on offspring neurodevelopment. Method This is a cohort study using national register data in Finland between the years 1996-2010. Pregnant women and their offspring were categorized into four groups: SSRI exposed (n=15,729); exposed to psychiatric disorder, no antidepressants (n=9,651); exposed to SSRIs only before pregnancy (n=7,980); and unexposed to antidepressants and psychiatric disorders (n=31,394). We investigated the cumulative incidence of offspring diagnoses of depression, anxiety, autism spectrum disorders (ASDs), and attention-deficit/hyperactivity disorders (ADHD) for the four groups from birth to 14 years, adjusting for confounders. Results The cumulative incidence of depression among offspring exposed prenatally to SSRIs was 8.2% (95% CI, 3.1-13.3%) by age 14.9, compared to 1.9% (95% CI, 0.9-2.9%) in the psychiatric disorder, no medication group (adjusted hazard ratio [HR], 1.78; 95% CI, 1.12-2.82; p=.02) and to 2.8% (95% CI, 1.4-4.3%) in the SSRI discontinued group (HR 1.84; 95% CI, 1.14-2.97; p=.01). Rates of anxiety, ASD, and ADHD diagnoses were comparable to rates in offspring of mothers with a psychiatric disorder but no medication during pregnancy. Comparing SSRI exposed to unexposed, the HRs were significantly elevated for each outcome. Conclusion Prenatal SSRI exposure was associated with increased rates of depression diagnoses in early adolescence but not with ASD or ADHD. Until confirmed, these findings must be balanced against the substantial adverse consequences of untreated maternal depression.
Objective To assess whether maternal use of selective serotonin reuptake inhibitors (SSRIs) increases the risk of persistent pulmonary hypertension in the newborn, and whether such an effect might differ between specific SSRIs.Design Population based cohort study using data from the national health registers.Setting Denmark, Finland, Iceland, Norway, and Sweden, 1996-2007. Participants More than 1.6 million infants born after gestational week 33.Main outcome measures Risks of persistent pulmonary hypertension of the newborn associated with early and late exposure to SSRIs during pregnancy and adjusted for important maternal and pregnancy characteristics. Comparisons were made between infants exposed and not exposed to SSRIs.Results Around 30 000 women had used SSRIs during pregnancy and 11 014 had been dispensed an SSRI later than gestational week 20. Exposure to SSRIs in late pregnancy was associated with an increased risk of persistent pulmonary hypertension in the newborn: 33 of 11 014 exposed infants (absolute risk 3 per 1000 liveborn infants compared with the background incidence of 1.2 per 1000); adjusted odds ratio 2.1 (95% confidence interval 1.5 to 3.0). The increased risks of persistent pulmonary hypertension in the newborn for each of the specific SSRIs (sertraline, citalopram, paroxetine, and fluoxetine) were of similar magnitude. Filling a prescription with SSRIs before gestational week 8 yielded slightly increased risks: adjusted odds ratio 1.4 (95% confidence interval 1.0 to 2.0). ConclusionsThe risk of persistent pulmonary hypertension of the newborn is low, but use of SSRIs in late pregnancy increases that risk more than twofold. The increased risk seems to be a class effect. IntroductionPersistent pulmonary hypertension of the newborn is a life threatening condition that occurs in up to 2 per 1000 liveborn infants and most often in those born full term or post term. [1][2][3] In this condition the pulmonary vascular resistance fails to decrease after birth and the ductus arteriosus must remain open to ensure circulation. Persistent pulmonary hypertension of the newborn and persistent fetal circulation are often used synonymously. 4 The pathophysiology is not clearly mapped out, but persistent pulmonary hypertension of the newborn might result from constricted pulmonary vasculature or because the vasculature is hypoplastic or remodelled.3 The constricted form is most commonly caused by meconium aspiration, the hypoplastic form can be seen in connection with diaphragmatic hernia, and presumably certain drugs can cause a remodelling of the vasculature.Depression during pregnancy is common, and estimated rates vary from 7% to 25%. 5 6 Use of selective serotonin reuptake inhibitors (SSRIs) is increasing among pregnant women, and use in late pregnancy may be a risk factor for persistent pulmonary hypertension of the newborn.7 During the past 15 years six studies have specifically assessed this association, with inconsistent findings from no association to a sixfold increased risk. [7][8][...
Objective To assess whether use of specific selective serotonin reuptake inhibitors (SSRIs) or venlafaxine in early pregnancy is associated with an increased risk of birth defects, with emphasis on cardiovascular birth defects even when accounting for lifestyle or other familial confounding. Design Multicountry population based cohort study, including sibling controlled design. Setting Nordic population (Denmark, Finland, Iceland, Norway, and Sweden) identified from nationwide health registers at different periods in 1996-2010. Population The full study cohort included women giving birth to 2.3 million live singletons. The sibling cohort included 2288 singleton live births. The sibling controlled analyses included sibling pairs who were discordant for exposure to SSRIs or venlafaxine and birth defects. Main outcome measure Prevalence of birth defects, including subtypes of cardiac defects. Odds ratio of birth defects from logistic and conditional logistic regression. Results Among 36 772 infants exposed to any SSRI in early pregnancy, 3.7% (n=1357) had a birth defect compared with 3.1% of 2 266 875 unexposed infants, yielding a covariate adjusted odds ratio of 1.13 (95% confidence interval 1.06 to 1.20). In the sibling controlled analysis the adjusted odds ratio decreased to 1.06 (0.91 to 1.24). The odds ratios for any cardiac birth defect with use of any SSRI or venlafaxine were 1.15 (95% confidence interval 1.05 to 1.26) in the covariate adjusted analysis and 0.92 (0.72 to 1.17) in the sibling controlled analysis. For atrial and ventricular septal defects the covariate adjusted odds ratio was 1.17 (1.05 to 1.31). Exposure to any SSRI or venlafaxine increased the prevalence of right ventricular outflow tract obstruction defects, with a covariate adjusted odds ratio of 1.48 (1.15 to 1.89). In the sibling controlled analysis the adjusted odds ratio decreased to 0.56 (0.21 to 1.49) for any exposure to SSRIs or venlafaxine and right ventricular outflow tract obstruction defects. Conclusions In this large Nordic study no substantial increase was found in prevalence of overall cardiac birth defects among infants exposed to SSRIs or venlafaxine in utero. Although the prevalence of septal defects and right ventricular outflow tract defects was higher in exposed infants, the lack of an association in the sibling controlled analyses points against a teratogenic effect of these drugs.
Excess risk was confined to patients using valproate during pregnancy. The risk for malformations was not elevated in offspring of mothers using carbamazepine, oxcarbazepine, or phenytoin (as monotherapy or polytherapy without valproate).
Fluoxetine use is associated with an increased risk of isolated ventricular septal defects and paroxetine is associated with right ventricular outflow tract defects. The absolute risk for these specific cardiac anomalies is small but should guide clinicians not to consider fluoxetine or paroxetine the first option when prescribing selective serotonin reuptake inhibitors to women planning pregnancy. Special attention should be given to alcohol use in pregnant women using selective serotonin reuptake inhibitors.
Recent studies have suggested that statins, an established drug group in the prevention of cardiovascular mortality, could delay or prevent breast cancer recurrence but the effect on disease-specific mortality remains unclear. We evaluated risk of breast cancer death among statin users in a population-based cohort of breast cancer patients. The study cohort included all newly diagnosed breast cancer patients in Finland during 1995–2003 (31,236 cases), identified from the Finnish Cancer Registry. Information on statin use before and after the diagnosis was obtained from a national prescription database. We used the Cox proportional hazards regression method to estimate mortality among statin users with statin use as time-dependent variable. A total of 4,151 participants had used statins. During the median follow-up of 3.25 years after the diagnosis (range 0.08–9.0 years) 6,011 participants died, of which 3,619 (60.2%) was due to breast cancer. After adjustment for age, tumor characteristics, and treatment selection, both post-diagnostic and pre-diagnostic statin use were associated with lowered risk of breast cancer death (HR 0.46, 95% CI 0.38–0.55 and HR 0.54, 95% CI 0.44–0.67, respectively). The risk decrease by post-diagnostic statin use was likely affected by healthy adherer bias; that is, the greater likelihood of dying cancer patients to discontinue statin use as the association was not clearly dose-dependent and observed already at low-dose/short-term use. The dose- and time-dependence of the survival benefit among pre-diagnostic statin users suggests a possible causal effect that should be evaluated further in a clinical trial testing statins’ effect on survival in breast cancer patients.
Excess mortality was highly related to the etiology of epilepsy in all ages. In adult patients without neuroradiologic abnormalities or other identifiable cause of epilepsy, only patients with cryptogenic epilepsy exhibited excess mortality. Risk of premature death was lowest in idiopathic epilepsy and in PWE who attained seizure freedom.
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