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Corticosteroid therapy, broad-spectrum antibiotic therapy, and cardiovascular support with mechanical ventilation were immediately instituted, and the child recovered without sequelae. The presented case emphasizes that life-threatening complications can occur during granulocyte colony-stimulating factor administration, and patient surveillance is warranted, especially if high leukocyte counts are observed or the patient exhibits cardiopulmonary signs.The hypercoagulable state in liver transplant recipients that may manifest as abnormal thrombus formation in large vessel structures, such as cardiac chambers and the pulmonary arteries, poses a substantial threat for the patient and graft survival. Massive pulmonary embolism is a rare, albeit potentially lethal, complication that may occur at any stage of liver transplant surgery. In this study, we present the case of a major perioperative thromboembolic event in a liver transplant recipient that had taken place in the early post-transplant period during the second-look surgery that was then successfully treated by catheter-directed clot removal. We will attempt to identify potential factors that may have been associated with abnormal thrombus formation.Cyanobacteria can grow photoautotrophically, producing a range of substances by absorbing sunlight and utilizing carbon dioxide, and can potentially be used as industrial microbes that have minimal sugar requirements. To evaluate this potential, we explored the possibility of l-glutamate production using the Synechocystis sp. PCC6803. The ybjL gene encoding the putative l-glutamate exporter from Escherichia coli was introduced, and l-glutamate production reached 2.3 g/L in 143 h (34°C, 100 μmol m-2 s-1). Then, we attempted to produce two flavor substances, (S)-linalool, a monoterpene alcohol, and the sesquiterpene (+)-valencene. The Synechocystis sp. PCC6803 strain in which the linalool synthase gene (LINS) from Actinidia arguta (AaLINS) was expressed under control of the tac promoter (GT0846K-Ptac-AaLINS) produced 11.4 mg/L (S)-linalool in 160 h (30°C, 50 μmol m-2 s-1). The strain in which AaLINS2 and the mutated farnesyl diphosphate synthase gene ispA∗ (S80F) from E. coli (GT0846K-PpsbA2-AaLINS-ispA∗) were expressed from the PpsbA2 promoter accumulated 11.6 mg/L (S)-linalool in 160 h. Genome analysis revealed that both strains had mutations in slr1270, suggesting that loss of Slr1270 function was necessary for high linalool accumulation. For sesquiterpene production, the valencene synthase gene from Callitropsis nootkatensis and the fernesyl diphosphate synthase (ispA) gene from E. coli were introduced, and the resultant strain produced 9.6 mg/L of (+)-valencene in 166 h (30°C, 50 μmol m-2 s-1). This study highlights the production efficiency of engineered cyanobacteria, providing insight into potential industrial applications.With increased awareness among consumers regarding food safety and security, food allergen control has become an indispensable requirement in the food industry. Although several methods for detecting allergens in food products are available, highly sensitive techniques are required. In this study, we developed a technique named as peptide array-based inhibition enzyme-linked immunosorbent assay (ELISA), Pep-iEIA, for evaluating antigenicity and detecting cow's milk antigen in infant formula products, using a peptide array consisting of a series of overlapping peptides found in allergenic milk proteins. Pep-iEIA was used to examine five cow's milk-based infant formulas with different degrees of hydrolyzation, and the assay offered both more sensitive detection and detailed analysis of remaining antigenic peptides in allergen compared to conventional ELISA. The antigenicity level of the allergenic peptides identified using Pep-iEIA was confirmed by surface plasmon resonance assay. We believe that Pep-iEIA will be highly useful for antigenicity evaluation of dairy products consumed by infants and patients with cow's milk allergy.Immune checkpoint inhibitors (ICIs) have been a breakthrough in medical oncology. However, many patients experience a novel type of adverse drug reaction that has a unique clinical presentation, called immune-related adverse events (irAEs). A breakdown of self-tolerance and an exaggerated autoimmune reaction by the host are assumed to be the underlying mechanisms. Therefore, special attention to the optimal diagnosis and management is required. Among the various effects of irAE, pneumonitis has been recognized as an important manifestation because of its high morbidity and mortality. As the application of ICIs is expanding to a wider variety of tumor types, as well as its use with cytotoxic agents and radiation, clinicians are highly likely to encounter this complication. In this review, we will summarize the current understanding of the underlying mechanisms, incidence, risk factors, optimal diagnostic workup, and management of ICI-related pneumonitis (IRP). We will also review fundamental information on drug-induced lung toxicity in the oncology setting. In addition, research perspectives focused on better risk stratification and management to avoid serious complications in the future are presented.The Abscopal effect is a rare phenomenon whereby tumors outside of the irradiated field regress due to systemic antitumor effects of localized radiotherapy. In patients with oral mucosal melanoma, only one instance of the abscopal effect has been described in the English-language literature [1]. Herein, we describe an instance of the abscopal effect following whole-brain radiation therapy after nivolumab monotherapy in a patient with oral mucosal melanoma.
Cancer-related changes in sexual function (SF) negatively impact quality of life and intimate partner relationships. There is a lack of data regarding SF among patients who underwent radical cystectomy (RC).
To comparatively evaluate perioperative SF among patients who underwent RC.
A prospective cohort of 150 patients undergoing RC for bladder cancer and participating in an internal validation study at a single institution from 2016 to 2019 were eligible for analysis. The European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire-Bladder Cancer Muscle Invasive (EORTC QLQ-BLM 30) and Functional Assessment of Cancer Therapy-Bladder were administered; those completing the SF subscale of the EORTC QLQ-BLM 30 were included in final analysis. Analysis was performed using descriptive statistics and generalized linear modeling.
The primary outcome was interest or engagement in sexual activity within 4weeks of survey completion, whereas the secondary outcome was a mean scoreunknown meaningful clinical difference.
A substantial portion of patients report sexual interest and activity in the perioperative period; however, female gender is associated with worse SF domain scores. These findings support further inquiry into this topic. Westerman ME, Kokorovic A, Wang XS, etal. Radical Cystectomy and Perioperative Sexual Function A Cross-Sectional Analysis. J Sex Med 2020;171995-2004.
A substantial portion of patients report sexual interest and activity in the perioperative period; however, female gender is associated with worse SF domain scores. These findings support further inquiry into this topic. Westerman ME, Kokorovic A, Wang XS, et al. Radical Cystectomy and Perioperative Sexual Function A Cross-Sectional Analysis. J Sex Med 2020;171995-2004.
Aminoglycoside (AG) antibiotics, such as tobramycin, are known to be ototoxic but important clinically due to their bactericidal efficacy. Persons with cystic fibrosis (CF) are at risk for AG-induced ototoxicity due to the repeated use of intravenous (IV) tobramycin for the treatment of pulmonary exacerbations. While it is well-established that ototoxic hearing loss is highly prevalent in this clinical population, the progression of hearing loss over time remains unclear. Cumulative IV-AG dosing has been associated with a higher risk of ototoxic hearing loss, yet some individuals lose substantial hearing after a single IV-AG treatment, while others never seem to lose hearing.
31 persons with CF (18 on IV tobramycin, 13 controls) were enrolled in an observational study. Pure-tone hearing thresholds (0.25-16kHz) were measured at baseline (pre-treatment) and at follow-up for each subject. A hearing shift was determined using various metrics, and outcomes were compared to characterize changes in hearing bilaterally for both study groups.
Comparison of pure-tone threshold shifts between baseline and follow-up audiograms following either a course of IV tobramycin (n=18) or no intervening therapy (n=13) demonstrated significant (p<0.05) threshold shifts in all continuous metrics tested.
A single course of IV tobramycin causes ototoxic hearing loss in some people with CF, which supports the need for routine ototoxicity monitoring and management in this clinical population. These findings also suggest that people with CF are a suitable population for clinical trials examining ototherapeutics in single IV-tobramycin treatment episodes.
A single course of IV tobramycin causes ototoxic hearing loss in some people with CF, which supports the need for routine ototoxicity monitoring and management in this clinical population. These findings also suggest that people with CF are a suitable population for clinical trials examining ototherapeutics in single IV-tobramycin treatment episodes.
The incidence of acute myeloid leukemia (AML) in older patients is increasing, but practice guidelines balancing quality-of-life, time outside of hospital and overall survival (OS) are not established.
We conducted a retrospective analysis comparing time outside hospital, OS and end-of-life care in AML patients ≥60years treated with intensive chemotherapy (IC), hypomethylating agents (HMA) and best supportive care (BSC) in a tertiary hospital.
Of 201 patients diagnosed between 2005 and 2015, 54% received IC while 14% and 32% were treated with HMA and BSC respectively. Median OS was significantly higher in patients treated with IC and HMA compared with BSC (11.5 versus 16.2 versus 1.3months; p<.0001). Median number of hospital admissions for the entire cohort was 3 (1-17) and patients spent <50% of their life after the diagnosis in the hospital setting. Compared to BSC, IC (HR 0.27, p<.0001) and HMA therapy (HR 0.16, p<.0001) were associated with the lower likelihood of spending at least 25% of survival time in hospital. Although 66% patients were referred to palliative care, the interval between referral to death was 24 (1-971) days and 46% patients died in the hospital.
Older patients with AML, irrespective of treatment, require intensive health care resources, are more likely to die in hospital and less likely to use hospice services. Older AML patients treated with disease modifying therapy survive longer than those receiving BSC, and spend >50% of survival time outside the hospital. These data are informative for counselling older patients with AML.
50% of survival time outside the hospital. These data are informative for counselling older patients with AML.
The aim of this study is to describe determinants of quality of life (QOL) quoted by vulnerable older patients with cancer and compare them with domains included in cancer-specific QOL questionnaires.
This prospective, monocenter, observational study was performed in a French university hospital. Cancer patients Patients with cancer aged over 74years were recruited when referred for an out-patient geriatric evaluation (n=102). After geriatric assessment, they were invited to respond to open-ended questions, Q1 "For you, what is most important to have a good QOL?" Q2 "What could improve your QOL?" Q3 "What could worsen your QOL?" A Delphi process was conducted to categorize patient responses according to content analysis.
The most frequently patient-reported determinants for high quality of life were maintaining close ties with family/friends or social relations, autonomy for decision and mobility without depending on others, being in good health, not suffering from pain and the absence of problems concerning relatives.