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1.
Vopr Virusol ; 68(1): 66-78, 2023 03 11.
Article in Russian | MEDLINE | ID: mdl-36961237

ABSTRACT

INTRODUCTION: The human immunodeficiency virus (HIV) protein p24 plays an important role in the life cycle of the virus, and also is a target for diagnostic tests and for new antiretroviral drugs and therapeutic vaccines. The most studied variant of HIV-1 in the world is subtype B. In Russia, the most common variant is A6, the spread of recombinant forms (CRF63_02A6, CRF03_A6B) is observed as well as circulation of G and CRF02_AG variants. However, a detailed study of the p24 protein in these variants has not yet been conducted. The aim was to study the features of the p24 protein in HIV-1 variants circulating in Russia and estimate the frequency of occurrence of pre-existing mutations associated with resistance to lenacapavir, the first antiretroviral drug in the class of capsid inhibitors. MATERIALS AND METHODS: The objects of the study were the nucleotide sequences obtained from the Los Alamos international database and clinical samples from HIV infected patients. RESULTS AND DISCUSSION: The features of HIV-1 variants circulating in Russia have been determined. V86A, H87Q, I91F are characteristic substitutions in A6 genome. It is shown that the presence of preexisting mutations associated with resistance to lenacapavir is unlikely. CONCLUSION: Features of the p24 protein in HIV-1 variants circulating in Russia allow them to be distinguished from others variants and among themselves. The prognosis for the use of lenacapavir in Russia is generally favorable. The results obtained could be taken into account in developing and using antiretroviral drugs and therapeutic vaccines.


Subject(s)
Anti-HIV Agents , HIV Infections , HIV-1 , Humans , HIV-1/genetics , Capsid Proteins/genetics , HIV Infections/drug therapy , HIV Infections/epidemiology , HIV Infections/genetics , Russia/epidemiology , Mutation , Anti-HIV Agents/pharmacology , Anti-HIV Agents/therapeutic use
2.
Eur J Pain ; 22(10): 1711-1717, 2018 11.
Article in English | MEDLINE | ID: mdl-29883525

ABSTRACT

BACKGROUND: Ethnicity is a risk factor for disparate Emergency Department (ED) analgesia. We aimed to explore ethnic variations in the administration of ED analgesia to children with acute appendicitis in Israeli government hospitals. METHODS: Children discharged with an International Classification of Disease-Ninth Revision diagnosis of acute appendicitis between 2010 and 2015 were included. The association between patient ethnicity (Jewish, Arab) and analgesia administration (any, opioid) was assessed. Age, gender, triage category, pain score and time of arrival were tested as possible confounders. The effect of patient-nurse ethnic discordance (PNED) was examined. RESULTS: Overall, 4714 children with acute appendicitis, 3520 Jewish and 1194 Arab, were cared for in the EDs; 1516 (32.2%) received any analgesia and 368 (7.8%) opioid analgesia. Stratified by pain score, no statistical differences were found in the administration of any or opioid analgesia between Jewish and Arab patients with either severe pain or moderate pain. In multivariate modelling adjusted for pain score and triage category, the rates of any analgesia for Arab and Jewish patients were 31.8% (95% CI, 30.9-32.6) and 36.5% (95% CI, 36.0-36.9), adjusted OR (aOR) = 1.16 (95% CI, 0.98-1.38), respectively. The rates of opioid analgesia for Arab and Jewish patients were 8.5% (95% CI, 8.2-8.9) and 7.9% (95% CI, 7.3-8.7), aOR = 0.77; (95% CI, 0.59-1.22), respectively. Jewish and Arab nurses treated proportionally fewer patients from the opposite ethnicity with any analgesia (p < 0.01). CONCLUSION: Emergency Department analgesia was markedly low, and not associated with patient ethnicity. PNED was associated with decreased rates of analgesia. SIGNIFICANCE: Emergency Department analgesia for children with acute appendicitis in Israeli government hospitals is markedly low. Patient-provider ethnic discordance may negatively influence the provision of analgesia. Significant efforts should be undertaken in order to increase analgesia provision rates and reduce social inequality.


Subject(s)
Abdominal Pain/drug therapy , Analgesics, Opioid/therapeutic use , Appendicitis/ethnology , Arabs , Emergency Service, Hospital , Jews , Abdominal Pain/diagnosis , Abdominal Pain/ethnology , Adolescent , Analgesia , Appendicitis/complications , Appendicitis/therapy , Child , Female , Government , Hospitals, Public , Humans , Israel , Male , Nursing Staff, Hospital , Pain Measurement , Retrospective Studies
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