| Records |
| Author |
Kane, S.P.; Hanes, S.D. |
| Title |
Unexplained increases in serum vancomycin concentration in a morbidly obese patient |
Type |
Journal Article |
| Year |
2017 |
Publication |
Intensive & Critical Care Nursing |
Abbreviated Journal  |
Intensive Crit Care Nurs |
| Volume |
39 |
Issue |
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Pages |
55-58 |
| Keywords |
Anti-Bacterial Agents/administration & dosage/therapeutic use; Cross Reactions/physiology; Drug-Related Side Effects and Adverse Reactions/*physiopathology; Female; Humans; Middle Aged; Obesity, Morbid/*drug therapy/physiopathology; Pneumonia, Ventilator-Associated/drug therapy/prevention & control; Vancomycin/*administration & dosage/therapeutic use; Central venous catheters; Critical care; Drug monitoring; Infectious disease; Medication safety; Vancomycin |
| Abstract |
INTRODUCTION: To report a case of increases in vancomycin concentrations without additional vancomycin doses being given. CASE STUDY: A 64 year-old morbidly obese female received three total doses of vancomycin for surgical prophylaxis and for ventilator-associated pneumonia. Subsequent vancomycin concentrations from the patient's central venous catheter (CVC) demonstrated increasing drug levels from 27.1 to 45.9mcg/mL despite no additional vancomycin being given and proper line flushing prior to sample collection. There is no clear explanation for the increase in the patient's vancomycin concentration. Drug leaching from the CVC, enterohepatic recycling, drug redistribution from adipose or other tissues, and assay cross-reactivity with other medications are all potential explanations for the increased vancomycin concentrations. CONCLUSION: This case report describes an unexplained increase in vancomycin concentrations and reinforces both the fallibility of laboratory testing and that unusual circumstances do occur. Several potential causes are hypothesised with CVC drug leaching being the most likely. Nurses and other healthcare providers with similar scenarios should consider a peripheral blood sample to rule out the potential for CVC drug leaching as a possible explanation. |
| Address |
Department of Pharmacy Practice, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States. Electronic address: scott.hanes@rosalindfranklin.edu |
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| Language |
English |
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Edition |
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| ISSN |
0964-3397 |
ISBN |
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Medium |
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| Notes |
PMID:27899248 |
Approved |
no |
| Call Number |
ref @ user @ |
Serial |
100001 |
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| Author |
Polex-Wolf, J.; Yeo, G.S.H.; O'Rahilly, S. |
| Title |
Impaired prohormone processing: a grand unified theory for features of Prader-Willi syndrome? |
Type |
Journal Article |
| Year |
2017 |
Publication |
The Journal of Clinical Investigation |
Abbreviated Journal |
J Clin Invest |
| Volume |
127 |
Issue |
1 |
Pages |
98-99 |
| Keywords |
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| Abstract |
Prader-Willi syndrome (PWS) is a complex disorder that manifests with an array of phenotypes, such as hypotonia and difficulties in feeding during infancy and reduced energy expenditure, hyperphagia, and developmental delays later in life. While the genetic cause has long been known, it is still not clear how mutations at this locus produce this array of phenotypes. In this issue of the JCI, Burnett and colleagues used a comprehensive approach to gain insight into how PWS-associated mutations drive disease. Using neurons derived from PWS patient induced pluripotent stem cells (iPSCs) and mouse models, the authors provide evidence that neuroendocrine PWS-associated phenotypes may be linked to reduced expression of prohormone convertase 1 (PC1). While these compelling results support a critical role for PC1 deficiency in PWS, more work needs to be done to fully understand how and to what extent loss of this prohormone processing enzyme underlies disease manifestations in PWS patients. |
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English |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0021-9738 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:27941250 |
Approved |
no |
| Call Number |
ref @ user @ |
Serial |
95907 |
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| Author |
Clark, P.A.; Gaal, J.T.; Strebe, J.K.; Pasch, C.A.; Deming, D.A.; Kuo, J.S.; Robins, H.I. |
| Title |
The effects of tumor treating fields and temozolomide in MGMT expressing and non-expressing patient-derived glioblastoma cells |
Type |
Journal Article |
| Year |
2017 |
Publication |
Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia |
Abbreviated Journal |
J Clin Neurosci |
| Volume |
36 |
Issue |
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Pages |
120-124 |
| Keywords |
Antineoplastic Agents, Alkylating/*pharmacology; Cell Line, Tumor; Cell Proliferation/drug effects/radiation effects; Cell Survival/drug effects/radiation effects; Cells, Cultured; DNA Modification Methylases/genetics/*metabolism; DNA Repair Enzymes/genetics/*metabolism; Dacarbazine/*analogs & derivatives/pharmacology; *Electromagnetic Fields; Glioblastoma/genetics/*metabolism; Humans; Neoplastic Stem Cells/drug effects/radiation effects; Neurons/drug effects/radiation effects; Tumor Suppressor Proteins/genetics/*metabolism; Cancer stem cells; Glioblastoma; MGMT methylation; Temozolomide; Tumor treating fields |
| Abstract |
A recent Phase 3 study of newly diagnosed glioblastoma (GBM) demonstrated the addition of tumor treating fields (TTFields) to temozolomide (TMZ) after combined radiation/TMZ significantly increased survival and progression free survival. Preliminary data suggested benefit with both methylated and unmethylated O-6-methylguanine-DNA methyl-transferase (MGMT) promoter status. To date, however, there have been no studies to address the potential interactions of TTFields and TMZ. Thus, the effects of TTFields and TMZ were studied in vitro using patient-derived GBM stem-like cells (GSCs) including MGMT expressing (TMZ resistant: 12.1 and 22GSC) and non-MGMT expressing (TMZ sensitive: 33 and 114GSC) lines. Dose-response curves were constructed using cell proliferation and sphere-forming assays. Results demonstrated a 10-fold increase in TMZ resistance of MGMT-expressing (12.1GSCs: IC50=160muM; 22GSCs: IC50=44muM) compared to MGMT non-expressing (33GSCs: IC50=1.5muM; 114GSCs: IC50=5.2muM) lines. TTFields inhibited 12.1 GSC proliferation at all tested doses (50-500kHz) with an optimal frequency of 200kHz. At 200kHz, TTFields inhibited proliferation and tumor sphere formation of both MGMT GSC subtypes at comparable levels (12.1GSC: 74+/-2.9% and 38+/-3.2%, respectively; 22GSC: 61+/-11% and 38+/-2.6%, respectively; 33GSC: 56+/-9.5% and 60+/-7.1%, respectively; 114 GSC: 79+/-3.5% and 41+/-4.3%, respectively). In combination, TTFields (200kHz) and TMZ showed an additive anti-neoplastic effect with equal efficacy for TTFields in both cell types (i.e., +/- MGMT expression) with no effect on TMZ resistance. This is the first demonstration of the effects of TTFields on cancer stem cells. The expansion of such studies may have clinical implications. |
| Address |
University of Wisconsin Carbone Cancer Center, UWSMPH, United States; Division of Hematology and Oncology, Department of Medicine, UWSMPH, United States; William S Middleton Memorial Veterans Hospital, Madison, WI, United States; Department of Neurology, UWSMPH, United States; Department of Human Oncology, UWSMPH, United States. Electronic address: hirobins@wisc.edu |
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English |
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Edition |
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0967-5868 |
ISBN |
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Conference |
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| Notes |
PMID:27865821 |
Approved |
no |
| Call Number |
ref @ user @ |
Serial |
96622 |
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| Author |
Ayash, C.; Costas-Muniz, R.; Badreddine, D.; Ramirez, J.; Gany, F. |
| Title |
An Investigation of Unmet Socio-Economic Needs Among Arab American Breast Cancer Patients Compared with Other Immigrant and Migrant Patients |
Type |
Journal Article |
| Year |
2017 |
Publication |
Journal of Community Health |
Abbreviated Journal |
J Community Health |
| Volume |
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Issue |
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Pages |
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| Keywords |
Arabs; Breast cancer; Immigrant health |
| Abstract |
Although Arabs are a growing population in the United States, they are a hidden minority when compared to larger, more studied groups like Latinos and Caribbean immigrants of African descent (CIAD). There is limited research pertaining to patients' unmet socioeconomic and supportive care needs when undergoing breast cancer treatment, particularly among immigrants and migrants. This is a comparative study of a nested cohort of 36 Arabs, 145 Latinos and 128 CIAD breast cancer patients participating in the Integrated Cancer Care Access Network and their areas of needed assistance. The patients were recruited from eleven community cancer clinics in New York City and through community based organizations. Patients most commonly reported needing financial, transportation, and food assistance. Arabs were more likely than their CIAD and Latino counterparts to have health insurance and legal aid needs. Arabs also has the highest proportion of patients unaware of their own cancer stage, at odds with their report of lower information needs than the other groups. Additional culturally tailored Arabic language interventions are needed to educate Arabic speaking breast cancer patients to help facilitate access to available services. |
| Address |
Arab Health Initiative, Memorial Sloan Kettering Cancer Center, Immigrant Health and Cancer Disparities Service, 485 Lexington Avenue, 2nd floor, New York, NY, USA |
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English |
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Edition |
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0094-5145 |
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| Notes |
PMID:28669006 |
Approved |
no |
| Call Number |
ref @ user @ |
Serial |
97265 |
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| Author |
Ayash, C.; Costas-Muniz, R.; Badreddine, D.; Ramirez, J.; Gany, F. |
| Title |
An Investigation of Unmet Socio-Economic Needs Among Arab American Breast Cancer Patients Compared with Other Immigrant and Migrant Patients |
Type |
Journal Article |
| Year |
2017 |
Publication |
Journal of Community Health |
Abbreviated Journal |
J Community Health |
| Volume |
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Issue |
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Pages |
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| Keywords |
Arabs; Breast cancer; Immigrant health |
| Abstract |
Although Arabs are a growing population in the United States, they are a hidden minority when compared to larger, more studied groups like Latinos and Caribbean immigrants of African descent (CIAD). There is limited research pertaining to patients' unmet socioeconomic and supportive care needs when undergoing breast cancer treatment, particularly among immigrants and migrants. This is a comparative study of a nested cohort of 36 Arabs, 145 Latinos and 128 CIAD breast cancer patients participating in the Integrated Cancer Care Access Network and their areas of needed assistance. The patients were recruited from eleven community cancer clinics in New York City and through community based organizations. Patients most commonly reported needing financial, transportation, and food assistance. Arabs were more likely than their CIAD and Latino counterparts to have health insurance and legal aid needs. Arabs also has the highest proportion of patients unaware of their own cancer stage, at odds with their report of lower information needs than the other groups. Additional culturally tailored Arabic language interventions are needed to educate Arabic speaking breast cancer patients to help facilitate access to available services. |
| Address |
Arab Health Initiative, Memorial Sloan Kettering Cancer Center, Immigrant Health and Cancer Disparities Service, 485 Lexington Avenue, 2nd floor, New York, NY, USA |
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English |
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Series Issue |
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Edition |
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0094-5145 |
ISBN |
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Conference |
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| Notes |
PMID:28669006 |
Approved |
no |
| Call Number |
ref @ user @ |
Serial |
98018 |
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