Chemotherapy in psychiatry : , Chemotherapy in psychiatry : , کتابخانه دیجیتال جندی شاپور اهواز

Chemotherapy in psychiatry

Objective: Lithium has been used during pregnancy for more than four decades, but quantification of fetal lithium exposure and clinical correlations of such exposure are limited. The study objectives were to 1) quantify the rate of lithium placental passage, 2) assess any association between plasma concentration of lithium at delivery and adverse perinatal events, and 3) determine whether lithium concentrations can be reduced by briefly suspending therapy proximate to delivery. Method: Maternal blood and umbilical cord blood were obtained at delivery for assay of lithium concentrations, and obstetrical outcome data were collected prospectively for 10 participants. These data were combined with results from MEDLINE and PsycINFO searches that identified 32 cases in which maternal lithium was administered throughout delivery. Statistical analysis of the pooled data was conducted. Results: The ratio of lithium concentrations in umbilical cord blood to maternal blood (mean=1.05, SD=0.13) was uniform across a wide range of maternal concentrations (0.2–2.6 meq/liter). Significantly lower Apgar scores, longer hospital stays, and higher rates of CNS and neuromuscular complications were observed in infants with higher lithium concentrations (>0.64 meq/liter) at delivery. Withholding lithium therapy for 24–48 hours before delivery resulted in a 0.28 meq/liter reduction in maternal lithium concentration. Conclusions: Lithium completely equilibrates across the placenta. Higher lithium concentrations at delivery are associated with more perinatal complications, and lithium concentrations can be reduced by brief suspension of therapy proximate to delivery. Treatment guidelines are proposed to improve neonatal well-being when lithium use is indicated in late pregnancy.

https://ajp.psychiatryonline.org/doi/pdf/10.1176/appi.ajp.162.11.2162

Lithium Placental Passage and Obstetrical Outcome: Implications for Clinical Management During Late Pregnancy

Treatment with lithium has long been recognized to be associated with metabolic adverse effects notably hypothyroidism, hyperparathyroidism, weight gain and nephrogenic diabetes insipidus. It is important that clinicians prescribing lithium are aware of these adverse effects and have a strategy for their detection and management. We review aspects of these actions of lithium including their prevalence, risk factors, biochemical changes involved and management, and discuss some advances that have been made in their understanding in recent years.

Lithium: a review of its metabolic adverse effects.

Lithium is an effective treatment in pregnancy and postpartum for the prevention of relapse in bipolar disorder. However, lithium has also been associated with risks during pregnancy for both the mother and the unborn child. Recent large studies have confirmed the association between first trimester lithium exposure and an increased risk of congenital malformations. Importantly, the risk estimates from these studies are lower than previously reported. Tapering of lithium during the first trimester could be considered but should be weighed against the risks of relapse. There seems to be no association between lithium use and pregnancy or delivery related outcomes, but more research is needed to be more conclusive. When lithium is prescribed during pregnancy, lithium blood levels should be monitored more frequently than outside of pregnancy and preferably weekly in the third trimester. We recommend a high-resolution ultrasound with fetal anomaly scanning at 20 weeks. Ideally, delivery should take place in a specialised hospital where psychiatric and obstetric care for the mother is provided and neonatal evaluation and monitoring of the child can take place immediately after birth. When lithium is discontinued during pregnancy, lithium could be restarted immediately after delivery as strategy for relapse prevention postpartum. Given the very high risk of relapse in the postpartum period, a high target therapeutic lithium level is recommended. Most clinical guidelines discourage breastfeeding in women treated with lithium. It is highly important that clinicians inform and advise women about the risks and benefits of remaining on lithium in pregnancy, if possible preconceptionally. In this narrative review we provide an up-to-date overview of the literature on lithium use during pregnancy and after delivery leading to clinical recommendations.

/pdf/lithium-during-pregnancy-and-after-delivery-a-review-2v9f7k5gaf.pdf

Lithium during pregnancy and after delivery: a review

Lithium and antipsychotics are often prescribed to treat bipolar disorder or psychotic disorders in women of childbearing age. Little is known about the consequences of these medications during pregnancy for the developing child. The objective of this article is to systematically review findings from preclinical and clinical studies that have examined the neurodevelopmental consequences of intrauterine exposure to lithium and antipsychotics. A systematic search was performed in Embase, Medline, Web of Science, PsychINFO, Cochrane, and Google Scholar. Clinical and experimental studies were selected if they investigated neurodevelopment of offspring exposed to lithium or antipsychotics during gestation. Quality of clinical and preclinical studies was assessed by the Newcastle–Ottawa Scale and the SYRCLE’s risk of Bias tool, respectively. In total, 73 studies were selected for qualitative synthesis and three studies were selected for quantitative synthesis. Of preclinical studies, 93% found one or more adverse effects of prenatal exposure to antipsychotics or lithium on neurodevelopment or behaviour. Only three clinical cohort studies have investigated the consequences of lithium exposure, all of which reported normal development. In 66% of clinical studies regarding antipsychotic exposure, a transient delay in neurodevelopment was observed. The relative risk for neuromotor deficits after in utero exposure to antipsychotics was estimated to be 1.63 (95% CI 1.22–2.19; I2 = 0%). Preclinical studies suggest long-term adverse neurodevelopmental consequences of intrauterine exposure to either lithium or antipsychotics. However, there is a lack of high-quality clinical studies. Interpretation is difficult, since most studies have compared exposed children with their peers from the unaffected population, which did not allow correction for potential influences regarding genetic predisposition or parental psychiatric illness.

/pdf/long-term-neurodevelopmental-consequences-of-intrauterine-1tb4lu6jz4.pdf

Long-term neurodevelopmental consequences of intrauterine exposure to lithium and antipsychotics: a systematic review and meta-analysis.

OBJECTIVE:To report a case of neonatal goiter and biological hypothyroidism in a newborn exposed to lithium in utero resulting from therapy given to the mother before and during her pregnancy.CASE SUMMARY:A male neonate, born at 37 weeks' gestation, presented with a goiter without other signs of hypothyroidism. His serum thyroid-stimulating hormone concentration was high and unbound tetrathyroxine concentration was low, indicating that chronic exposure to lithium was present. Oral thyroxine treatment was initiated when the infant was 3 days old and continued for 11 weeks. Treatment was effective in reducing the goiter and hormone concentrations, and allowing normal growth and psychomotor development during the following 3.5 months. Other drugs taken by the mother during pregnancy are not known to induce thyroid abnormalities.DISCUSSION:Lithium is used for prophylaxis and treatment of bipolar disorder. Goiter and hypothyroidism in adults have been described in patients treated with lithium; thyroid disorde...

Goiter in a Newborn Exposed to Lithium in Utero

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Goiter in a Newborn Exposed to Lithium in Utero