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2.  Prevalence and Predictors of Posttraumatic Stress Disorder in Adult Survivors of Childhood Cancer: a report from the Childhood Cancer Survivor Study 
Pediatrics  2010;125(5):e1124-e1134.
Recent studies have found that a subset of young adult survivors of childhood cancer report posttraumatic stress symptoms in response to their diagnosis and treatment. However, it is unclear if these symptoms are associated with impairment in daily functions and/or significant distress, thereby resulting in a clinical disorder. Furthermore, it is unknown whether this disorder continues into very long-term survivorship, including the 3rd and 4th decades of life. This study hypothesized that very long-term survivors of childhood cancer would be more likely to report symptoms of posttraumatic stress disorder, with functional impairment and/or clinical distress, compared to a group of healthy siblings.
Patients and Methods
6,542 childhood cancer survivors over the age of 18 who were diagnosed between 1970 and 1986 and 368 siblings of cancer survivors completed a comprehensive demographic and health survey.
589 survivors (9%) and 8 siblings (2%) reported functional impairment and/or clinical distress in addition to the set of symptoms consistent with a full diagnosis of Posttraumatic Stress Disorder (PTSD). Survivors had more than a four-fold risk of PTSD compared to siblings (OR=4.14, 95%CI: 2.08-8.25). Controlling for demographic and treatment variables, increased risk of PTSD was associated with educational level of high school or less (OR=1.51, 95% CI=1.16-1.98), being unmarried (OR=1.99, 95% CI=1.58-2.50), annual income less than $20,000 (OR=1.63, 95% CI=1.21-2.20), and being unemployed (OR=2.01, 95% CI=1.62-2.51). Intensive treatment was also associated with increased risk of full PTSD (OR=1.36, 95% CI 1.06 -1.74).
Posttraumatic stress disorder is reported significantly more often by childhood cancer survivors than by sibling controls. Although most survivors are apparently doing well, a subset report significant impairment that may warrant targeted intervention.
PMCID: PMC3098501  PMID: 20435702
childhood cancer; young adult
3.  Psychiatric Issues in Pediatric Organ Transplantation 
Solid organ transplantation has become the first line of treatment for a growing number of life-threatening pediatric illnesses. With improved survival, research into the long-term outcome of transplant recipients has become important to clinicians. Adherence to medical instructions remains a challenge, particularly in the adolescent population. New immunosuppressant approaches promise to expand organ transplantation in additional directions. Extension of transplantation into replacement of organs such as faces and hands raises complex ethical issues.
PMCID: PMC2873967  PMID: 20478500
child; adolescent; transplant; psychiatric
5.  Perceived Positive Impact of Cancer Among Long-term Survivors of Childhood Cancer: a report from the Childhood Cancer Survivor Study 
Psycho-oncology  2011;21(6):630-639.
Investigations examining psychosocial adjustment among childhood cancer survivors have focused primarily on negative effects and psychopathology. Emergent literature suggests the existence of positive impact or adjustment experienced after cancer, as well. The purpose of this study is to examine the distribution of Perceived Positive Impact (PPI) and its correlates in young adult survivors of childhood cancer.
6,425 survivors and 360 siblings completed a comprehensive health survey, inclusive of a modified version of the Posttraumatic Growth Inventory (PTGI) as a measure of PPI. Linear regression models were used to examine demographic, disease and treatment characteristics associated with PPI.
Survivors were significantly more likely than siblings to report PPI. Endorsement of PPI was significantly greater among female and non-white survivors, and among survivors exposed to at least one intense therapy, a second malignancy or cancer recurrence. Survivors diagnosed at older ages and fewer years since diagnosis were more likely to report PPI. Income, education and marital/relationship status appeared to have varied relationships to PPI depending upon the subscale being evaluated.
The existence and variability of PPI in survivors in this study suggest that individual characteristics, inclusive of race, gender, cancer type, intensity of treatment, age at diagnosis and time since diagnosis, have unique and specific associations with different aspects of perceived positive outcomes of childhood cancer.
PMCID: PMC3697081  PMID: 21425388
Psychosocial; childhood cancer; trauma; event centrality; survivors
6.  Preliminary evidence for lymphocyte distribution differences at rest and after acute psychological stress in PTSD-symptomatic women☆ 
Brain, behavior, and immunity  2005;19(3):243-251.
This study investigated circulating natural killer (NK), CD4+ and CD8+ cells in response to acute psychological challenge among mothers of child cancer survivors with and without posttraumatic stress symptoms (PTSS). Control mothers of healthy children (n = 9) were compared to 17 cancer mothers with (PTSS: n = 9) and without PTSS (No PTSS: n = 7) under conditions of rest, after a generic stressor (MAT: mental arithmetic task) and a personalized stressor (script-driven trauma imagery), and after recovery from each stressor. Results indicate the PTSS group had higher percentage CD4+ and lower CD8+ levels than non-symptomatic women and blunted NK reactivity to generic challenge. Multiple regression analyses indicated PTSS effects were independent of self-reported distress. Contrary to expectations, cancer mothers without PTSS were not significantly different from controls on tonic or phasic immune outcomes. Also unlike predictions, reactivity to challenge was greatest to the non-social MAT stressor compared to the personalized challenge for all groups. Conclusions are constrained by study limitations (e.g., small sample size and potential phase order effects). Nonetheless, results are consistent with an emerging literature on PTSS-associated immune differences and further suggest these effects may be distinct from that associated with subjective distress more generally.
PMCID: PMC1351002  PMID: 15797313
Posttraumatic stress disorder; Stress; Women; Laboratory challenge; Natural killer
7.  Psychiatric Sequelae in Adolescent Bone Marrow Transplantation Survivors  
Survivors of life-threatening pediatric illness and their families present a number of psychotherapeutic challenges. The authors present pilot data evaluating the long-term psychiatric impact of pediatric bone marrow transplantation on 10 adolescent transplantation survivors compared with a matched control group. On a quantitative assessment of posttraumatic stress symptoms, the survivors reported a consistent but low level of symptoms. Their narratives about the experience suggest the need for ongoing mental health assessment in addition to specific interventions with families early in the treatment.
PMCID: PMC3330387  PMID: 22700211

Results 1-7 (7)