Polymorphisms in the oxytocin receptor gene, OXTR_rs53576, have been linked to differences in maternal sensitivity and depressive symptoms. Although some studies suggest the A allele confers risk for mood disorders, individuals homozygous for the G allele may exhibit greater sensitivity to both positive and negative social experiences, including in the mother-infant dyad. Given the bi-directional nature of mother-infant influences on maternal mood, we tested the association between both mothers' and infants' OXTR_rs53576 genotype and maternal depression, as assessed through a self-report inventory. Although Beck Depression Inventory (BDI-II) scores were significantly higher for GG in comparison to AG/AA mothers, and for mothers of GG in comparison to AG/AA infants, an ANCOVA revealed that after sociodemographic risk factors had been controlled, infants', but not mothers', OXTR genotype predicted maternal depression scores, with no significant interaction between the two. The effect of infant OXTR on maternal depression was not explained by maternal reports of difficult infant temperament. We propose that GG infants have an enhanced capacity for processing both positive and negative socially meaningful contextual information, first amplifying and then differentially perpetuating negative affectivity in mothers who exhibit depressive characteristics.
K E Y W O R D Sinfant temperament, mood disorders, oxytocin receptor gene, postpartum depression | 497 ASHERIN Et Al.
In this article, we review the potential for adverse impacts on the clinician following a medical error or poor clinical outcome. Second victim syndrome, its symptoms, risk factors, natural history, and possible outcomes are described. We also discuss the important role of organizational leadership and culture and highlight possible programmatic interventions designed to support clinicians following an adverse event.
Accurate postpartum depression screening measures are needed to identify mothers with depressive symptoms both in the postpartum period and beyond. Because it had not been tested beyond the immediate postpartum period, the reliability and validity of the Postpartum Depression Screening Scale (PDSS) and its sensitivity, specificity, and predictive value for diagnoses of major depressive disorder (MDD) were assessed in a diverse community sample of 238 mothers of 4- to 15-month-old infants. Mothers (N = 238; M age = 30.2, SD = 5.3) attended a lab session and completed the PDSS, the Beck Depression Inventory-II (BDI-II), and a structured clinical interview (SCID) to diagnose MDD. The reliability, validity, specificity, sensitivity, and predictive value of the PDSS to identify maternal depression were assessed. Confirmatory factor analysis supported the construct validity of five but not seven content subscales. The PDSS total and subscale scores demonstrated acceptable to high reliability (α = 0.68-0.95). Discriminant function analysis showed the scale correctly provided diagnostic classification at a rate higher than chance alone. Sensitivity and specificity for major depressive disorder (MDD) diagnosis were good and comparable to those of the BDI-II. Even in mothers who were somewhat more diverse and had older infants than those in the original normative study, the PDSS appears to be a psychometrically sound screener for identifying depressed mothers in the 15 months after childbirth.
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