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There is limited information regarding the effects of pediatric chronic pain management on the number and cost of chronic pain-related emergency department (ED) consultations. This retrospective study aimed to evaluate the number and costs of chronic pain-related ED consultations of children and adolescents with chronic pain conditions at the Montreal Children's Hospital (MCH). Charts of patients followed by the Edwards Family Interdisciplinary Center for Complex Pain (CCP) of the MCH between April 2017 and December 2018 were reviewed. ED consultations, specialist consultations, medication prescriptions, hospital admissions, and outpatient consultation referrals were assessed for the period of 1 year before and after the patients' first consultation with the CCP. Associated costs were also calculated. One-hundred sixty-eight patients were included in the analysis. Fifty-one percent consulted the ED and had 151 chronic pain-related ED consultations within 1 year before their initial CCP consultation. In the year following their first CCP consultation, 52 patients (31%) consulted the ED, of which 24 consultations were chronic pain-related (84% reduction). There was an 81% reduction in the costs associated with chronic pain-related ED consultations within 1 year after CCP management. In addition, there was a significant reduction in ED interventions within 1 year after CCP management, though there was no change in medication prescriptions, hospital admissions, or subspecialist consultations. Children and adolescents with chronic pain conditions had fewer chronic pain-related ED consultations within 1 year after the first evaluation by an interdisciplinary center for complex pain, contributing to reduced ED costs.

Abstract Disclosure: L. Walfish: None. L. Feldman: None. O. Ajise: None. J.A. Rivera: None. Background: Adrenal tumors can be seen in inadequately treated patients with congenital adrenal hyperplasia (CAH), thought to result from chronic adrenocorticotrophic hormone (ACTH) overstimulation. In patients with CAH, a characteristic finding of poor control is elevated 17-hydroxyprogesterone (17-OHP). Similarly, it has been documented that some non-secreting adrenal adenomas can be 21-hydroxylase deficient and, therefore, also produce 17-OHP under ACTH stimulation. Scarce data exists describing autoimmune adrenalitis associated with adrenal masses and elevated 17-OHP. Case Presentation: A previously healthy 17-year-old female presented to her primary care physician for a 1-year history of secondary amenorrhea after discontinuing oral contraceptives. Progesterone challenges were negative. Notable laboratory investigations included an elevated 17-OHP at 117 nmol/L (ref. 0.6-8.0nmol/L). An abdominal pelvic ultrasound revealed a 2.7 cm right adrenal tumor. Upon presentation to endocrinology, history and physical examinations showed no signs or symptoms of adrenal hormone overproduction. Further biochemical assessment of adrenal hyperfunction was also negative. Other than an elevated renin at 464.8 ng/L (ref. 3.3-6.1) with a low normal aldosterone, the rest of her hormonal work up showed no abnormalities. Genetic analysis showed no mutation in a 12-genes CAH panel. On further questioning, the patient admitted to salt craving, morning nausea, fatigue, and spontaneous skin darkening in comparison to her twin sister. A morning cortisol resulted at 76 nmol/L (ref.120-535), ACTH > 440pmol/L (ref. 1.6-13.9), with presence of adrenal autoantibodies. She was diagnosed with autoimmune primary adrenal insufficiency (AI) and started on hydrocortisone and fludrocortisone replacement. An abdominal MRI demonstrated a 2.5x1.4x1.8cm right adrenal, well-circumscribed tumour, isointense in T2, hypointense in T1, with no loss of signal on the out-of-phase T1 sequences, in keeping with a lipid-poor lesion. A PET scan demonstrated the mass to be FDG avid at 19.4 SUV. The patient is currently waiting for laparoscopic right adrenalectomy. Conclusion: This case highlights a potential relationship between adrenal masses and primary autoimmune adrenalitis that has not been described before. Most reported cases of this type of co-occurrence have been related to adrenal lymphoma or CAH. The elevated plasma 17-OHP in our case is unusual and is suspected to originate from the adrenal tumor’s expected decreased 21-hydroxylase expression. Such deficiency would otherwise go unnoticed but has become evident under strong ACTH stimulation from the primary AI. The strong ACTH stimulation may also explain the high FDG uptake, contrasting with surrounding ongoing adrenalitis. Nevertheless, surgical removal is indicated given the lipid-poor nature of the lesion. Presentation: Monday, July 14, 2025

BackgroundThere is increasing evidence for the use of multilevel epidural catheter-guided blood patches to treat spontaneous cerebrospinal fluid leaks in adults. Yet, there are scarce data for their use in children. Furthermore, higher level epidural blood patches are uncommon in both adult and pediatric populations.Case presentationAn adolescent boy with multilevel cerebrospinal fluid leaks associated with status migrainosus failed conservative pain management treatment. As he remained severely symptomatic, epidural blood patches were required to mitigate his symptoms. Given his multilevel leaks, a catheter-guided blood patch approach was used to treat multiple cervicothoracic and thoracolumbar leaks. After three separate uneventful blood patch procedures, the patient was free of symptoms. Other than some rebound intracranial hypertension, the patient maintained full neurological capacity without further complications. Following the resolution of treatment, he has not sought help for pain since his last blood patch over a year ago.ConclusionsMultilevel catheter-guided blood patches have the potential to be administered to higher level spinal regions to the pediatric population suffering from multiple spontaneous cerebrospinal fluid leaks.

Abstract Hyperthyroidism due to gestational trophoblastic disease (GTD) is a rare but potentially life-threatening condition. Optimal perioperative management is crucial for favorable outcomes and prevention of thyroid storm. However, scarce data exist defining the ideal approach to this complex clinical presentation. This case report describes a first-time pregnant 32-year-old woman who was found to be biochemically hyperthyroid in the context of a 10-week gestation molar pregnancy. Despite her biochemical values, the patient remained clinically asymptomatic of her thyroid disease. The Gynecology and Anesthesiology services urgently consulted Endocrinology, and empiric treatment for prevention of potential impending thyroid storm was initiated prior to operative uterine evacuation. After 2 uneventful dilation and curettages with chemotherapy and a transient prescription of antithyroid medication, the patient normalized her human chorionic gonadotropin (hCG) level and recovered to biochemical euthyroidism. Other than a pruritic rash that may have been due to propylthiouracil, the patient's hyperthyroidism improved without further complications. This case highlights the importance of recognizing the link between GTD and thyrotoxicosis to allow for timely initiation of appropriate preoperative treatment. Fortunately, the multidisciplinary approach facilitated management to prevent evolution to thyroid storm.