BACKGROUND Despite high risk of bacterial contamination, yet there are no studies that have evaluated the optimal hang time of blenderized and reconstituted powdered formulas at standard room temperature and high temperature. AIM To investigate the optimal hang time of both types of formulas at standard room temperature and high temperature. METHODS Ten specimens of blenderized formula and 10 specimens of reconstituted powdered formula were prepared using aseptic techniques. Five specimens of each formula were administered at 25 °C and 32 °C. Simulated administration was done in an incubator. The samples were collected at 0, 2, 4, 6 h and aerobic culture was performed. Food and drug administration criteria were used to determine the unacceptable levels of bacterial contamination. RESULTS Unacceptable contamination for blenderized formula began at 4 h at 25 °C and at 2 h at 32 °C. As for the reconstituted powdered formula, there was no bacterial growth in all specimens up to 6 h at both temperatures. CONCLUSION The optimal hang time to avoid significant bacterial contamination of the blenderized formula should be limited to 2 h at standard room temperature and be administered by bolus method at high temperature, while a reconstituted powdered formula may hang up to 6 h at both temperatures.
Introduction Among high tuberculosis (TB) and HIV burden countries in Asia, tuberculosis preventive therapy (TPT) in people living with HIV (PLWH) has been underutilized despite its proven benefits independent of antiretroviral therapy (ART). Therefore, we determined the incidence of active TB and mortality among 9179 adult PLWH who attended and received ART from 15 tertiary care hospitals across Thailand. Methods A retrospective study was conducted in 2018 using follow‐up data from 1999 to 2018. The primary endpoint was incident TB disease after ART initiation. Factors associated with TB incidence were analysed using competing risk regression. The Kaplan–Meier method was used to estimate mortality after ART initiation. Results During a median of 5.1 years of ART (IQR 2.2–9.5 years), 442 (4.8%) PLWH developed TB (TB/HIV), giving an overall incidence of 750 (95% CI 683–823) per 100,000 persons‐year of follow up (PYFU). In multivariate analysis, lower CD4 at ART initiation (≤100 cells/mm 3 , adjusted sub‐distribution hazard ratio [aSHR]: 2.08, 95% CI, 1.47–2.92; 101–200 cells/mm 3 , aSHR: 2.21, 95% CI, 1.54–3.16; 201–350 cells/mm 3 , aSHR: 1.59, 95% CI, 1.11–2.28 vs. >350 cells/mm 3 ), male sex (aSHR: 1.40, 95% CI, 1.11–1.78), lower body weight (<50 kg, aSHR: 1.52, 95% CI, 1.17–1.95) and prior TB event (aSHR: 3.50, 95% CI, 2.72–4.52) were associated with TB incidence. PLWH with HIV RNA ≥50 copies/ml had 5–9 times higher risk of active TB disease higher than those with HIV RNA <50 copies/ml at the same CD4 level. The risk for developing TB was remarkably high during the initial period of ART (175,511 per 100,000 PYFU at<3 months) and was comparable to the general population after 10 years of ART (151 per 100,000 PYFU). TB/HIV had higher mortality (10% vs. 5%) and poorer HIV treatment outcomes: HIV RNA <50 copies/ml (63.8% vs. 82.8%), CD4 cells count (317 vs. 508 cells/mm 3 ) at the most recent visit. Conclusions In this high TB burden country, TB incidence was remarkably high during the first few years after ART initiation and thereafter decreased significantly. Rapid ART initiation and appropriate TPT can be potential key interventions to tackle the TB epidemic and reduce mortality among PLWH in TB/HIV high burden settings.
Esophagitis dissecans superficialis (EDS), a rare desquamative esophageal disease of uncertain etiology, is characterized by sloughing of fragments of esophageal mucosa. To the best of our knowledge, there has been no reported case of EDS in an HIV-infected patient. We report the first case of EDS in an adult HIV-infected male, who was hospitalized due to dysphagia. Esophagogastroscopy was performed, and the endoscopic findings together with the histopathologic findings of esophageal tissues were consistent with EDS. However, his symptom of dysphagia was not explained by EDS, but was the early symptoms of muscle-specific kinase (MuSK) myasthenia gravis (MG) that we finally diagnosed later by progression of the symptoms and electrophysiologic study. His symptoms had gradually improved after a course of intravenous immunoglobulin treatment. This is the first case of EDS and MuSK myasthenia gravis in an HIV-infected patient. A high index of suspicion of EDS should be made when taking care of the patients with desquamative or sloughing esophagitis especially with unknown etiology.
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