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Duncan Ortega posted an update 1 day, 8 hours ago
Results were compared with those from C-peptide immunoassay.
Polyethylene glycol precipitation of IAS plasma, but not control plasma, depleted C-peptide immunoreactivity consistent with immunoglobulin-bound C-peptide immunoreactivity. LC-MS/MS detected proinsulin and des 31,32 proinsulin at higher abundance in IAS plasma compared with control plasma. Analysis by gel filtration chromatography coupled to LC-MS/MS demonstrated proinsulin and des 31,32 proinsulin, but no C-peptide, in plasma immunocomplexes.
Antibody binding can enrich proinsulin and des 31,32 proinsulin in IAS immunocomplexes. Proinsulin cross-reactivity in some C-peptide immunoassays can lead to artifactually increased C-peptide results.
Antibody binding can enrich proinsulin and des 31,32 proinsulin in IAS immunocomplexes. Proinsulin cross-reactivity in some C-peptide immunoassays can lead to artifactually increased C-peptide results.
The objective of this study was to investigate the relationship between parental stress and health-related quality of life (HRQOL) among children with sickle cell disease (SCD).
A cross-sectional correlational survey research design was used for this quantitative study. One hundred-fifty patients between the ages of 8-17 years old and their caregivers were enrolled from an outpatient comprehensive sickle cell program within a hospital setting. Patients completed the Pediatric Quality of Life Scale 3.0 SCD Module, whereas parents completed the Parental Stress Scale and demographic information questionnaire. Multiple regression analysis was used to determine if parental stress scores predicted the HRQOL of children diagnosed with SCD after controlling for demographic variables.
The sample included 150 patients (median age 12 years old; female 52%) who were diagnosed with SCD along with 150 of their caregivers. Higher levels of parental stress predicted lower HRQOL scores (p < .001).
As parents reported elevated levels of stress related to caring for their child with SCD, patients reported worsening HRQOL. More evidence is needed in order to determine, which constructs of parental stress had a significant impact on HRQOL. It may be helpful for healthcare workers to be aware of familial influences of reduced HRQOL among children diagnosed with SCD. Parents reporting increased stress related to raising their child with SCD may benefit from additional support and resources.
As parents reported elevated levels of stress related to caring for their child with SCD, patients reported worsening HRQOL. More evidence is needed in order to determine, which constructs of parental stress had a significant impact on HRQOL. It may be helpful for healthcare workers to be aware of familial influences of reduced HRQOL among children diagnosed with SCD. Parents reporting increased stress related to raising their child with SCD may benefit from additional support and resources.Public engagement in priority-setting for health is increasingly recognized as a means to ensure more ethical, inclusive and legitimate decision-making processes, especially in the context of Universal Health Coverage where demands outweigh the available resources and difficult decisions need to be made. Deliberative approaches are often viewed as especially useful in considering social values and balancing trade-offs, however, implementation of deliberative engagement tools for priority-setting is scant, especially in low- and middle-income settings. learn more In order to address this gap, we implemented a context-specific public deliberation tool in a rural community in South Africa to determine priorities for a health services package. Qualitative data were analysed from seven group deliberations using the engagement tool. The analysis focused on understanding the deliberative process, what the participants prioritized, the reasons for these selections and how negotiations took place within the groups. The deliberations demonstrated that the groups often considered curative services to be more important than primary prevention which related to the perceived lack of efficacy of existing health education and prevention programmes in leading to behaviour change. The groups engaged deeply with trade-offs between costly treatment options for HIV/AIDS and those for non-communicable disease. Barriers to healthcare access were considered especially important by all groups and some priorities included investing in more mobile clinics. This study demonstrates that deliberative engagement methods can be successful in helping communities balance trade-offs and in eliciting social values around health priorities. The findings from such deliberations, alongside other evidence and broader ethical considerations, have the potential to inform decision-making with regard to health policy design and implementation.
Diflunisal (DIF) has analgesic and anti-inflammatory activity. It is a pharmacopeial drug found in the British Pharmacopoeia, and its major pharmacopeial impurity is biphenyl-4-ol (BPL).
Diflunisal was not determined before together with BPL. Presence of BPL could significantly affect the dose of DIF in its dosage forms; hence it is crucial to determine DIF and BPL in presence of each other.
Thin layer chromatography (TLC) is the first proposed method, where DIF and BPL are separated on silica gel TLC F254 plates. The eluent is toluene-acetone-acetic acid solution (3.56.51 by volume). Reversed-phase high-performance liquid chromatography (RP-HPLC) is the second suggested method, where mixture of DIF and BPL are separated on C18 (5 µm ps, 250 mm and 4.6 id) column using phosphate buffer pH = 4 (0.05M)-acetonitrile (4060, v/v). Detection was done at 254 nm in both methods.
For TLC method, a concentration range of 0.5-3 and 0.3-1.7 µg/band were used, with mean percentage recoveries 100.22% (SD 0.893) and 100.52% (SD 0.952) for DIF and BPL, respectively. RP-HPLC method was carried out over a concentration range of 5-30 and 2-9 μg/mL, with mean percentage recoveries 100.10% (SD 1.259) and 98.88% (SD 0.822) for DIF and BPL, respectively.
TLC and RP-HPLC methods were successfully applied for determination of DIF and BPL, quantitatively, whether in bulk powder or in pharmaceutical formulations.
Two chromatographic methods were developed and validated according to ICH guidelines for assay of DIF and its pharmacopeial impurity.
Two chromatographic methods were developed and validated according to ICH guidelines for assay of DIF and its pharmacopeial impurity.