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With MCNP5 simulation, the mass attenuation coefficient (MAC) values of all the samples were calculated and compared with a theoretical approach using the XCOM program. As the amount of Bi

O

increases, the linear attenuation coefficient (LAC) increases with it at all energies. The LAC values varied between 0.2805 and 0.5269cm

for the investigated glasses at 0.81MeV. BZ30 glass is the more effective shield due to the highest MAC and LAC values.

Continuing care is widely believed to be an important component of effective treatment for substance use disorder, particularly for those individuals with greater problem severity. The purpose of this review was to examine the research literature on continuing care for alcohol and drug use disorders, including studies that addressed efficacy, moderators, mechanisms of action, and economic impact. This narrative review first considered findings from prior reviews (published through 2014), followed by a more detailed examination of studies published more recently. The review found that research has generally supported the efficacy of continuing care for both adolescents and adults, but the picture is complex. Reviews find relatively small effects when results from individual studies are combined. However, continuing care of longer duration that includes more active efforts to keep patients engaged may produce more consistently positive results. Moreover, patients at higher risk for relapse may benefit to a greater degree from continuing care. Several newer approaches for the provision of continuing care show promise. These include incentives for abstinence and automated mobile health interventions to augment more conventional counselor-delivered interventions. Primary care can be used to provide medications for opioid and alcohol use disorders over extended periods, although more research is needed to determine the optimal mix of behavioral treatments and other psychosocial services in this setting. Regardless of the intervention selected for use, the status of most patients will change and evolve over time, and interventions need to include provisions to assess patients on a regular basis and to change or adapt treatment when warranted.This is a case report of a 60-year-old female who developed distal radius osteomyelitis secondary to Mucor infection from likely hematogenous spread that was managed with ulnocarpal wrist fusion. Following serial debridement and systemic antifungal therapy, ulnocarpal wrist fusion offered functional limb salvage rather than amputation in this patient with significant operative risk and comorbidities.COVID-19 pandemic outbreak had officially started on 11 March 2020 according to the World Health Organization. In Romania the first case of COVID-19 was documented on 26th of February. Ploiesti Obstetrics and Gynecology Hospital is one of the biggest mono-specialty units from Romania that was designated to deal with COVID-19 infected pregnant women. We retrospectively analyzed seven pregnant women infected with SARS-CoV-2 who gave birth during the 1st July and 30thNovember 2020. The median age of pregnancy was 39 weeks. Three of the childbearing women presented rupture membranes at hospital admission and four gave birth by cesarean section (C-section). The women infected with SARS-CoV-2 had a good evolution, vertical transmission of the virus did not occur, measures to prevent mother-to-child transmission were applied. Apgar score was 9 for all new-born babies and they all tested negative for SARS-CoV-2. There were no maternal deaths. One new born baby was preterm but didn’t present low birth weight or low Apgar score. Applying cesarean section as a method of birth did not influence vertical transmission. There is no evidence if it is necessary to anticipate the time of birth. We believe it is recommended to individualize each case according to the experience of the obstetrician and the severity of the maternal infection.The disruption of the extensor mechanism/apparatus of the knee is a dreaded complication following Total Knee Arthroplasty (TKA). Fresh frozen allograft containing the patella, and peripatellar musculotendinous attachments has emerged as an ideal alternative or salvageable option for the efficient reconstruction of extensor mechanism disrupted following TKA, where repair is almost impossible. However, any allograft implantation is associated with certain complications and extensor apparatus allograft is not the exception. Despite being allogenic, reconstruction of the extensor mechanism of the knee using allograft has given promising results. AZD2171 This narrative review aims to elaborate on the current application of allograft in the reconstruction of the disrupted extensor mechanism following TKA.The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic emerged in China in December 2019. Since then, there have been growing reports of coronavirus disease 2019 (COVID-19) cases with neurological involvement. We present a case of a 54-year-old woman who presented with confirmed SARS-CoV-2 pneumonia, complicated by a prolonged intensive care stay and posterior reversible encephalopathy syndrome (PRES). This resulted in persistent cortical blindness (Anton’s syndrome). PRES has only rarely been reported in relation to SARS-CoV-2 infection and no patients have developed persistent cortical blindness. We summarise the clinical presentation of the patient and review the current literature.Endometriosis is defined as the presence of endometrial glands and stroma outside the uterine cavity. Endometriosis may involve a wide spectrum of anatomic locations, but it typically involves pelvic locations. We report the case of a 45-year-old woman who presented with a history of abdominal pain and swelling. She first noticed the swelling eight months prior to presentation, and it had gradually progressed in size. The patient reported that the swelling increased in size during menses. Physical examination revealed a well-defined firm mass to the right of the midline. The mass had a smooth surface but limited mobility after abdominal wall muscle contraction, suggesting an infiltration of the underlying muscular structures. The findings demonstrated by computed tomography of the abdomen confirmed the diagnosis of abdominal wall endometrioma. The patient underwent successful resection of the lesion with complete resolution of her symptoms.