Vancomycin dosage of 20 mg/kg/dose intravenously every 8 hours achieved significantly higher trough concentrations in CTS patients than in controls. Pharmacokinetic parameters were highly variable in CTS patients, indicating more individualization of dosage is needed. A future prospective study is needed to determine whether the revised dosage projections achieve the AUC:MIC target and to determine whether these regimens are associated with less vancomycin-associated AKI.
A 9-year-old obese child with a history of ulcerative colitis was admitted to the intensive care unit for significant blood loss, hemorrhagic shock, and acute renal failure. Following complications from total colectomy secondary to multiple perforations, the patient developed heparin-induced thrombocytopenia (HIT) and subsequent portal vein thrombosis. Subcutaneous (SQ) fondaparinux therapy was initiated because the patient was unable to transition to oral anticoagulation. An anti-factor Xa assay was developed and used to adjust his fondaparinux therapy. Based on hemorrhagic complications and fondaparinux-based anti-factor Xa assay results, the fondaparinux was adjusted to a final dosage of 4.5 mg (0.066 mg/kg) SQ daily. In children unable to transition to oral anticoagulation, fondaparinux may be an alternative for the treatment of thrombosis associated with HIT. We noted that our patient required a lower dose per kilogram of fondaparinux than described in previous published reports. Despite this lower dosage per kilogram, our patient developed bleeding despite dosage reductions; subsequently, a few doses were held. It is unclear if this was related to his obesity, history of renal failure, or a combination of factors. Future studies should determine the optimal dose for special populations of children (e.g., those with obesity and renal failure). Until then, clinicians should routinely monitor and titrate fondaparinux therapy, ideally using a fondaparinux-specific anti-factor Xa assay.
OBJECTIVE This study evaluates pediatric ambulatory care training opportunities for postgraduate year 2 (PGY2) pediatric pharmacy residents.
METHODS An online survey was disseminated to PGY2 pediatric pharmacy residency directors. The questions involved the number and type of pediatric ambulatory care rotations offered; number of preceptors who practice in pediatric ambulatory care; whether or not a pediatric ambulatory care rotation is a requirement of the program; length and format of the rotations; amount of time residents spend in the pediatric ambulatory care setting; and the resident's role during pediatric ambulatory care rotations.
RESULTS The survey yielded an 85% response rate (n = 41/48). Most residency programs offer at least 1 pediatric ambulatory care rotation (n = 38; 93%), most of which are longitudinal experiences, and two thirds of programs require their resident(s) to complete a pediatric ambulatory care rotation (n = 27; 66%). These experiences involve a variety of specialty clinics, and residents assume diverse roles and responsibilities. Few programs offer residents the opportunity to practice under a collaborative drug therapy management agreement (n = 6; 15%) or develop new clinical services (n = 6; 15%). Most residency program directors (n = 39; 95%) reported that less than 25% of their residency graduates work in the pediatric ambulatory care setting.
CONCLUSIONS Ambulatory care experiences in PGY2 pediatric pharmacy residency programs are diverse in number and scope. There is an opportunity to expand pediatric ambulatory care rotation offerings, particularly with respect to collaborative drug therapy management and the establishment of new clinical services.
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