Cannula-based drug delivery to the guinea pig round window causes a lasting hearing loss that may be temporarily mitigated by BDNF.
This study determined the effect on hearing of placing a drug-delivery microcatheter on to the round window, and delivering either artificial perilymph (AP) or brain-derived neurotrophic factor (BDNF) via this catheter with a mini-osmotic pump. Auditory brainstem responses (ABRs) were monitored for 4 months after surgery, while the AP or BDNF was administered for the first month. The presence of the microcatheter - whether dry or when delivering AP or BDNF for 4 weeks - was associated with an increase in ABR thresholds of up to 15 dB, 16 weeks after implantation. This threshold shift was, in part, delayed by the delivery of BDNF. We conclude that the chronic presence of a microcatheter in the round window niche causes hearing loss, and that this is exacerbated by delivery of AP, and ameliorated temporarily by delivery of BDNF. PMID: 29089185 [PubMed - as supplied by publisher]
Authors: Mendoza De La Garza M, Tieu C, Schroeder D, Lowe K, Tung E Abstract Medical schools throughout the country struggle with how best to train students to provide quality, patient-centered care to the burgeoning population of older adults. The Senior Sages Program (SSP) is a longitudinal Senior Mentor Program (SMP) that offers students the opportunity to learn about the aging process and core geriatric medicine concepts through the eyes of an aging expert: their Senior Sage. The SSP marries a robust electronic curriculum with an SMP and online discussion board. The aim of this program evaluation was to measure...
A single hailstorm changed me from rational to irrational... The post How to Use Framing to Sell More Warranties and Service Contracts appeared first on Neuromarketing.
Discussion When men enacted female-typical caregiving roles, their retirement timing resembled women's. Eldercare, in particular, was associated with earlier retirement timing. Implications for individual retirement decision-making and policy are discussed. PMID: 29911387 [PubMed - as supplied by publisher]
The former Tory leader has urged his party to consider legalising recreational use of the drug.
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Researchers from the Centers for Disease Control and Prevention in Atlanta, Georgia, found HIV tests can give false negative results for up to seven months among those taking PrEP.
CONCLUSION: Childhood cholesteatoma was more extensive and destructive compared to adults, representing a more aggressive disease in this cohort. PMID: 29909808 [PubMed - as supplied by publisher]
CONCLUSION: The results show a good correlation between the pre-operatively predicted insertion depths using the software application and those post-operatively measured using X-ray. The insertion length predicted by the software was always longer than that measured via X-ray. PMID: 29909807 [PubMed - as supplied by publisher]