For vancomycin, trough serum concentrations should be obtained just before the fourth dose.
We determined baseline, peak and trough anti-Xa activity: preoperatively, and respectively 4 hours after the third dose of enoxaparine and 30 minutes before the fourth dose.
Using guideline recommendations, trough levels were all drawn immediately before the fourth dose of vancomycin to approximate steady-state conditions (4 to 5 half-lives) [ 4, 5].
Three patterns of response to rituximab have been proposed: early (before the fourth dose of rituximab), intermediate (7 to 11 weeks after rituximab), and delayed (>13 weeks after rituximab) [ 8].
Blood samples were collected into tubes containing EDTA before and at 5 min, 1, 6, 24, 48 and 72 h after the first dose; immediately before the fourth dose; at 1 h after the fourth and sixth dose; immediately before the seventh dose; and immediately before and at 5 min, 1, 6, 24, 48 and 72 h after the final (ninth) dose.
Although vancomycin trough level was are generally obtained before the fourth dose at our institution, 7.4% of patients in our study did not have a trough level drawn, and the timing of when vancomycin trough level were obtained for the remainder of other cohort was not standardized.
The Centers for Disease Control and Prevention CDCC) recommends receiving the first 3 doses before 12 months old, the fourth dose during the second year and the last dose before entering kindergarten.
Before the second dose could be administered this patient developed ventricular fibrillation.
Vitamin B12 injections (1000 μg intramuscularly) should also be started one week before the first dose of chemotherapy.
Infection consisted of the administration of two doses of 10 000 infective larvae of one of the nematode species, separated by an anthelmintic treatment and an interval of 1 week before the second dose was administered.
Arterial blood gas, static lung compliance, and chest radiograph are obtained before the first dose of study drug and immediately before organ procurement for assessment of the primary and secondary study endpoints.
