Clinical examination findings and electrolyte abnormalities of dogs with marijuana/tetrahydrocannabinol toxicity: 223 cases (January 2017-July 2021).

OBJECTIVE: The goal of this study was to describe the historical, physical, neurologic, and clinicopathologic findings in dogs with a definitive diagnosis of marijuana/tetrahydrocannabinol toxicity. ANIMALS: A total of 223 dogs with known ingestion of marijuana or a positive tetrahydrocannabinol result on human urine multidrug test. METHODS: Retrospective study from January 2017 to July 2021. RESULTS: Median age was 1 year (1 month to 12 years). A common history was becoming acutely neurologic after going outside or to a public place (62/223 [27.8%]). Most owners denied possibility of exposure (152/223 [68%]). Median vitals were normal, but hyperthermia (38/212 [22.6%]), tachycardia (82/222 [37%]), and systemic hypertension (37/61 [60.7%]) were common abnormalities. The most common clinical signs included ataxia (197/223 [88.3%]), hyperesthesia (168/223 [75.3%]), urinary incontinence (102/223 [45.7%]), lethargy (140/223 [62.5%]), and vomiting (58/223 [26%]). The most common combinations of neurologic signs included ataxia and hyperesthesia (157/223 [70.4%]) and ataxia, hyperesthesia, and urinary incontinence (81/223 [36.3%]). Mild hyperkalemia (39/76 [51.3%]) and mild hypercalcemia (53/67 [79.1%]) were common. Twenty-two dogs were hospitalized. Survival was 100%. CLINICAL RELEVANCE: A common presentation for marijuana toxicosis included young dogs with acute ataxia and hyperesthesia, with and without urinary incontinence, after going outside or to a public place. Vitals were often normal, but hyperthermia, tachycardia, and hypertension were common. Bloodwork was mostly normal, but mild hyperkalemia and mild ionized hypercalcemia were common. Marijuana should be high on the differential list with these history, physical examination, neurologic, and electrolyte abnormalities, regardless of owner denial or negative human urine multidrug test.

Trends and Characteristics in Maternal Syphilis Rates During Pregnancy: United States, 2016-2022.

After reaching historic lows in 2000 and 2001, rates of primary and secondary syphilis in the overall U.S. population have increased nearly every year through 2022 (1). For 2017-2022, rates of syphilis for women of reproductive age and congenital syphilis (a disease that occurs when a mother with syphilis passes the infection on to her baby during pregnancy) increased by more than 250% (1,2). Congenital syphilis can cause adverse pregnancy outcomes such as fetal and neonatal death, low birthweight, preterm birth, and brain and nerve disorders (2). This report presents trends in maternal syphilis rates in women giving birth in the United States for 2016-2022 by selected maternal demographic and health factors.

U.S. stillbirth surveillance: The national fetal death file and other data sources.

The National Vital Statistics System is the primary source of information on fetal deaths of 20 weeks of gestation or more in the United States. Data are cooperatively produced by jurisdiction vital statistics offices and the National Center for Health Statistics. In order to promote the uniformity of data, the National Center for Health Statistics issues The Model State Vital Statistics Act and Regulations, and produces standard certificates and reports, developed in collaboration with the states, to inform the development of jurisdictional vital records laws and regulations and data collection. While there are challenges in collecting national fetal death data, there are ongoing data quality improvement efforts to address them. Improved national fetal death data and data from other sources will continue to add insights into the risks, causes and prevention of fetal death.

Perinatal Mortality in the United States, 2020-2021.

Perinatal mortality(late fetal deaths at 28 completed weeks of gestation or more and early neonatal deaths younger than age 7 days) can be an indicator of the quality of health care before, during, and after delivery, and of the health status of the nation (1,2). The U.S. perinatal mortality rate declined 30% from 1990 through 2011, was stable from 2011 through 2016, and declined 4% from 2017 through 2019 (1,3-5). This report describes changes in perinatal mortality, as well as its components, late fetal and early neonatal mortality, from 2020 to 2021, during the COVID-19 pandemic. Also shown are perinatal mortality rates by mother's age, the three largest race and Hispanic-origin groups, and state for 2021 compared with 2020.

Subgenual cingulate connectivity as a treatment predictor during low-frequency right dorsolateral prefrontal rTMS: A concurrent TMS-fMRI study.

INTRODUCTION: Repetitive transcranial magnetic stimulation (rTMS) to the dorsolateral prefrontal cortex (DLPFC) is effective in alleviating treatment-resistant depression (TRD). It has been proposed that regions within the left DLPFC that are anti-correlated with the right subgenual anterior cingulate cortex (sgACC) may represent optimal individualized target sites for high-frequency left rTMS (HFL). OBJECTIVE/HYPOTHESIS: This study aimed to explore the effects of low-frequency right rTMS (LFR) on left sgACC connectivity during concurrent TMS-fMRI. METHODS: 34 TRD patients underwent an imaging session that included both a resting-state fMRI run (rs-fMRI0) and a run during which LFR was applied to the right DLPFC (TMS-fMRI). Participants subsequently completed four weeks of LFR treatment. The left sgACC functional connectivity was compared between the rs-fMRI0 run and TMS-fMRI run. Personalized e-fields and a region-of-interest approach were used to calculate overlap of left sgACC functional connectivity at the TMS target and to assess for a relationship with treatment effects. RESULTS: TMS-fMRI increased left sgACC functional connectivity to parietal regions within the ventral attention network; differences were not significantly associated with clinical improvements. Personalized e-fields were not significant in predicting treatment outcomes (p = 0.18). CONCLUSION: This was the first study to examine left sgACC anti-correlation with the right DLPFC during an LFR rTMS protocol. In contrast to studies that targeted the left DLPFC, we did not find that higher anti-correlation was associated with clinical outcomes. Our results suggest that the antidepressant mechanism of action of LFR to the right DLPFC may be different than for HFL.

Fetal Mortality: United States, 2021.

Objectives-This report presents 2021 fetal mortality data by maternal race and Hispanic origin, age, tobacco use during pregnancy, and state of residence, as well as by plurality, sex, gestational age, birthweight, and selected causes of death. Trends in fetal mortality are also examined. Methods-Descriptive tabulations of data are presented and interpreted for all fetal deaths reported for the United States for 2021 with a stated or presumed period of gestation of 20 weeks or more. Cause-of-fetal-death data are restricted to residents of the 41 states and the District of Columbia, where cause of death was based on the 2003 fetal death report revision and less than 50% of deaths were attributed to Fetal death of unspecified cause (P95). Results-A total of 21,105 fetal deaths at 20 weeks of gestation or more were reported in the United States in 2021. The 2021 U.S. fetal mortality rate was 5.73 fetal deaths at 20 weeks of gestation or more per 1,000 live births and fetal deaths, which was essentially unchanged from the rate of 5.74 in 2020. The fetal mortality rate in 2021 for deaths occurring at 20-27 weeks of gestation was 2.95, essentially unchanged from 2020 (2.97). For deaths occurring at 28 weeks of gestation or more, the rate in 2021 (2.80) was not significantly different from 2020 (2.78). In 2021, the fetal mortality rate ranged from 3.94 for non-Hispanic, single-race Asian women to 9.89 for non-Hispanic, single-race Black women. Fetal mortality rates were highest for females under age 15 and aged 40 and over, for women who smoked during pregnancy, and for women with multiple gestation pregnancies. Five selected causes accounted for 89.9% of fetal deaths in the 41-state and District of Columbia reporting area.

Trends and Characteristics in Prepregnancy Diabetes: United States, 2016-2021.

Objectives-This report presents data on trends for prepregnancy diabetes mellitus (PDM), diabetes diagnosed before pregnancy, in mothers giving birth in the United States for 2016-2021, and rates by selected maternal characteristics for 2016 and 2021.

Cognitive-affective processes and suicidality in response to repetitive transcranial magnetic stimulation for treatment resistant depression.

BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) can elicit 45-55 % response rates and may alleviate suicidality symptoms in treatment resistant depression (TRD). Blunted anticipatory reward sensitivity and negatively biased self-referential processing may predict trajectories of depressive and suicidality symptoms in rTMS for TRD and be modulated during treatment. METHODS: Fifty-five individuals with TRD received four weeks of low-frequency rTMS applied to the right dorsolateral prefrontal cortex (LFR-rTMS) and were followed until 17 weeks post-baseline. Participants completed behavioral measures of anticipatory reward sensitivity and self-referential processing at baseline and five weeks post-baseline (approximately one-week post-treatment). We examined whether baseline anticipatory reward sensitivity and self-referential processing predicted trajectories of depressive and suicidality symptoms from baseline to follow-up and whether these cognitive-affective variables showed change from baseline to week five. RESULTS: Anticipatory reward sensitivity and negative self-referential encoding at baseline were associated with higher overall depressive symptoms and suicidality from baseline to 17 weeks post-baseline. At week five, participants self-attributed a higher number of positive traits and a lower number of negative traits and had a lesser tendency to remember negative relative to positive traits they had self-attributed, compared to baseline. LIMITATIONS: The specificity of these results to LFR-rTMS is unknown in the absence of a comparison group, and our relatively small sample size precluded the interpretation of null results. CONCLUSIONS: Baseline blunted anticipatory reward sensitivity and negative biases in self-referential processing may be risk factors for higher depressive symptoms and suicidality during and after LFR-rTMS, and LFR-rTMS may modulate self-referential processing.

Changes in Home Births by Race and Hispanic Origin and State of Residence of Mother:United States, 2019-2020 and 2020- 2021.

Objectives-This report describes changes between 2020 and 2021 in the percentage of home births by month, race and Hispanic origin, and state of residence of the mother, and makes comparisons with changes occurring between 2019 and 2020.

Cause-of-death Data From the Fetal Death File,2018-2020.

Objectives-This report presents data on fetal cause of death by maternal age, maternal race and Hispanic origin, fetal sex, period of gestation, birthweight, and plurality.

Anaphylaxis due to First-Time Intravenous Infusion of N-Acetylcysteine in a Dog.

A 4-year-old female spayed Pomeranian was referred to the emergency service for intermittent trouble breathing and an enlarged liver found on ultrasound. A severe mixed hepatopathy was found on bloodwork, and ultrasound-guided liver aspirates showed marked hepatocellular vacuolar changes and rare neutrophils. An intravenous (IV) loading dose of n-acetylcysteine (NAC) was given for the first time in this patient, and immediately after the infusion the patient collapsed, became hypotensive, hypothermic, tachycardic, and developed gallbladder wall edema. Treatment for anaphylaxis was immediately initiated with IV fluids, an epinephrine bolus and then continuous rate infusion, diphenhydramine, and famotidine. Clinical signs resolved within an hour of treatment with no recurrence. The hepatic enzymopathy improved, and the patient was ultimately diagnosed with a steroid hepatopathy based on laparoscopic liver biopsies. Anaphylaxis caused by first-time administration of IV NAC in a dog has not previously been reported, though it is known to occur in humans. Based on this report, it would be clinically wise to give careful consideration before prescribing NAC in cases where it is not a specific antidote or if other options are available, and to closely monitor the patient during and immediately after administration.

Fetal Mortality: United States, 2020.

Objectives-This report presents 2020 fetal mortality data by maternal race and Hispanic origin, age, tobacco use during pregnancy, and state of residence, as well as by plurality, sex, gestational age, birthweight, and selected causes of death. Trends in fetal mortality are also examined.

Impact of medications, mood state, and electrode placement on ECT outcomes in treatment-refractory psychosis.

BACKGROUND: Treatment-refractory psychosis (TRP) is a significant clinical challenge. While clozapine is frequently effective, alternate or augmentation strategies are often necessary. Evidence supports effectiveness of electroconvulsive therapy (ECT), but questions remain about optimal treatment parameters and impacts of concomitant pharmacotherapy. OBJECTIVE: /Hypothesis: To analyze the impact of clozapine, anticonvulsant medication, mood state, and ECT electrode placement on outcomes in TRP. We hypothesized that ECT would lead to greater reduction in positive symptoms, particularly in patients receiving clozapine. METHODS: Retrospective study in a tertiary TRP program. The Positive and Negative Syndrome Scale (PANSS) was used for clinical outcomes, with positive subscore as primary outcome. Clinical and ECT data were analyzed using a linear modelling approach, controlling for relevant covariates. RESULTS: A total of 309 patients were included. ECT plus clozapine associated with greater improvement in positive, general, and total symptoms than ECT alone. ECT associated with greater improvement in negative symptoms in depressed patients. Bifrontal placement was mostly equivalent to bitemporal, with greater reduction of positive symptoms in patients receiving clozapine, and associated with lower electrical dose in patients on anticonvulsants. Clozapine increased seizure duration, while anticonvulsants decreased it. Anticonvulsant use in ECT patients associated with equivalent to slightly improved symptom reduction. CONCLUSIONS: ECT's benefit in TRP may be greatest in patients receiving clozapine. ECT can improve negative symptoms in depressed TRP patients. Bifrontal placement is effective in TRP. Clozapine and anticonvulsants have opposite effects on seizure duration, but anticonvulsants may not adversely affect clinical outcomes of ECT for TRP.

Trends and Characteristics in Gestational Diabetes: United States, 2016-2020.

Objectives-This report presents data on trends for gestational diabetes mellitus (GDM) among women giving birth in the United States from 2016 through 2020, and rates by selected maternal and newborn characteristics for 2016, 2019, and 2020.

The E/e' Ratio: As "Critical" As the Left Ventricular Ejection Fraction?

Ascertainment of the left ventricular ejection fraction is the primary reason for ordering echocardiography in the acute care setting; however, this parameter does not provide information regarding a patient's volume status. As such, it cannot be reliably used to inform decisions regarding intravenous fluid resuscitation or diuresis, particularly in undifferentiated dyspnea and hypotension. This is relevant given a national quality improvement exhortation to provide aggressive fluid resuscitation as part of a "sepsis bundle." This initiative must be tempered by the well-established increase in hospital mortality from providing intravenous fluid to patients with unrecognized heart failure, which may occur if sepsis is misdiagnosed. We describe herein, what is to our knowledge, the first description of a critically elevated Doppler ratio of mitral inflow peak E-wave velocity to the mean mitral annular velocity as a harbinger of sudden death from pulmonary edema in a patient treated with aggressive intravenous fluids as part of the "sepsis bundle." This is utilized as a springboard for proposing a clinical algorithm focused on expedited echocardiography. It emphasized the potential value of advancing markedly the diastolic assessment of filling pressure (ratio of mitral inflow peak E-wave velocity to the mean mitral annular velocity) in the acute care setting to a level of import comparable to the left ventricular ejection fraction.

Predictive Value of Acute Neuroplastic Response to rTMS in Treatment Outcome in Depression: A Concurrent TMS-fMRI Trial.

OBJECTIVE: The study objective was to investigate the predictive value of functional connectivity changes induced by acute repetitive transcranial magnetic stimulation (rTMS) for clinical response in treatment-resistant depression. METHODS: Cross-sectional changes in functional connectivity induced by a single concurrent rTMS-fMRI session were assessed in 38 outpatients with treatment-resistant depression (26 of them female; mean age, 41.87 years) who subsequently underwent a 4-week course of rTMS. rTMS was delivered at 1 Hz over the right dorsolateral prefrontal cortex. Acute rTMS-induced functional connectivity changes were computed and subjected to connectome-based predictive modeling to test their association with changes in score on the Montgomery-Åsberg Depression Rating Scale (MADRS) after rTMS treatment. RESULTS: TMS-fMRI induced widespread, acute, and transient alterations in functional connectivity. The rTMS-induced connectivity changes predicted about 30% of the variance of improvement in the MADRS score. The most robust predictive associations involved connections between prefrontal regions and motor, parietal, and insular cortices and between bilateral regions of the thalamus. CONCLUSIONS: Acute rTMS-induced connectivity changes in patients with treatment-resistant depression may index macro-level neuroplasticity, relevant to interindividual variability in rTMS treatment response. Large-scale network phenomena occurring during rTMS might be used to inform prospective clinical trials.

Decline in Perinatal Mortality in the United States, 2017-2019.

Perinatal mortality (late fetal deaths at 28 completed weeks of gestation or more and early neonatal deaths under age 7 days) can be an indicator of the quality of health care before, during, and after delivery, and of the health status of the nation (1,2). The U.S. perinatal mortality rate declined 30% from 1990 to 2011, but was stable from 2011 through 2016 (1,3,4). This report presents trends in perinatal mortality as well as its components, late fetal and early neonatal mortality, for 2017 through 2019. Also shown are perinatal mortality trends by mother's age, race and Hispanic origin, and state for 2017-2019.

Repetitive Transcranial Magnetic Stimulation Shows Longitudinal Improvements in Memory in Patients With Treatment-Resistant Depression.

BACKGROUND: Cognitive dysfunction (CD) is a commonly reported symptom of major depressive disorder (MDD). Patients with treatment-resistant depression (TRD) tend to experience greater rates of CD; however, treatment options are limited. Repetitive transcranial magnetic stimulation (rTMS) is effective in treating affective symptoms in patients with TRD, but its potential effect on CD in TRD has not been established. OBJECTIVES: This study sought to establish the potential cognitive benefits of rTMS in patients with TRD. MATERIALS AND METHODS: This study used data from a noninferiority clinical trial investigating two excitatory rTMS protocols to the left dorsolateral prefrontal cortex in unipolar outpatients with TRD. Cognitive testing was performed at baseline and three months posttreatment in 47 patients and a demographically matched cohort of 22 healthy volunteers. Changes in cognitive performance from baseline to posttreatment were assessed using repeated-measures analysis of variance, using both normative and individualized cognitive scoring methods. RESULTS: Patients with baseline neurocognitive dysfunction showed significant changes in verbal memory at three months posttreatment when using individualized cognitive scoring. Furthermore, improvement in verbal memory within this subset was associated with improvements in affective symptoms. LIMITATIONS: This analysis was performed on a relatively small sample of patients with TRD who were not prescreened for CD and did not include a clinical comparator group. CONCLUSIONS: rTMS may be associated with improvements in verbal memory in patients with TRD who present with global CD and who are clinical responders to the treatment. These findings warrant replication in a larger sample as well as further investigations into the neural mechanisms of cognitive improvement after rTMS.

Changes in Home Births by Race and Hispanic Origin and State of Residence of Mother: United States, 2018-2019 and 2019-2020.

Objectives-This report describes changes between 2019 and 2020 in the percentage of U.S. home births by month, race and Hispanic origin, and state of residence of the mother and makes comparisons with changes occurring between 2018 and 2019.

Fetal Mortality: United States, 2019.

Objectives-This report presents 2019 fetal mortality data by maternal race and Hispanic origin, age, tobacco use during pregnancy, and state of residence, as well as by plurality, sex, gestational age, birthweight, and selected causes of death. Trends in fetal mortality are also examined.