11 research outputs found
Influencing functional outcomes: a look at role performance and satisfaction with life following liver transplant
Abstract 572
The success of orthotopic liver transplantation (OLT), originally measured as survival, now extends to quality of the life saved. Return to work (RTW) is also a desired outcome. Our AIM was to explore the relationship between 5 pre-OLT factors & 5 post-OLT quality of life (QOL) domains with life satisfaction and primary productive role to better understand how to improve both.
METHODS: Patients (pts)1-3 yrs post-OLT filled QOL form during follow-up clinic visits between 7/04 to 6/05. The Liver transplantation Database-Quality of life (LTD-QOL) form yielded data on 5 domains: measure of disease (MOD), psychological distress/well-being (PDW), personal function (PF), social/role function (SRF) & general health perception (GHP). Results: 229 pts were first categorized as satisfied overall with life (79%), or dissatisfied, and then assigned to groups based on primary productive role (51%), no primary productive role, or retired. Pre-OLT variables were age, gender, marital status, education, & etiology of liver disease; HCV (33%), alcohol liver disease (ALD)(11%), HCV+ALD (10%), & others (46%). Marital status & age were not significantly related to the outcome variables. Etiology of liver disease, education, and time since OLT and 5 post-OLT QOL domains were significantly associated with both outcome variables; satisfaction and primary productive role (p<.0001).To understand the differences, the 5 physical & men-tal QOL domains were regressed on primary productive role and satisfaction. Pts (mean age 54 yrs (19-74 yrs), males, 70%) fell into the category of primary productive role rates (51%). Pts transplanted for ALD were significantly (p<.05) more likely to be satisfied with life, whereas individuals with HCV±ALD, had lowest satisfaction and were most likely to be unable/uninterested in work. Stepwise logistical regression analysis of satisfaction demonstrated that GHP and SRF correlated most highly. Although satisfaction was significant in bivariate analysis, regression analysis of the influence of domains of QOL, as well as employment, demonstrated that SRF & GHP correlated most highly with life satisfaction.
CONCLUSIONS: SRF and GHP correlate with good QOL post OLT. HCV patients have low levels of satisfaction whereas the highest level of satisfaction is in the ALD group. Further studies should address methods to improve satisfaction in those with HCV
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Pulsed Carrier Gas Assisted High-Quality Synthetic 3<i>R</i>‑Phase Sword-like MoS<sub>2</sub>: A Versatile Optoelectronic Material
Synthesizing a material with the desired polymorphic
phase in a
chemical vapor deposition (CVD) process requires a delicate balance
among various thermodynamic variables. Here, we present a methodology
to synthesize rhombohedral (3R)-phase MoS2 in a well-defined sword-like geometry having lengths up to 120 μm,
uniform width of 2–3 μm and thickness of 3–7 nm
by controlling the carrier gas flow dynamics from continuous mode
to pulsed mode during the CVD growth process. Characteristic signatures
such as high degree of circular dichroism (∼58% at 100 K),
distinct evolution of low-frequency Raman peaks and increasing intensity
of second harmonic signals with increasing number of layers conclusively
establish the 3R-phase of the material. A high value
(∼844 pm/V) of second-order susceptibility for few-layer-thick
MoS2 swords signifies the potential of MoS2 to
serve as an atomically thin nonlinear medium. A field effect mobility
of 40 cm2/V-s and Ion/Ioff ratio of ∼106 further
confirm the electronic-grade standard of this 3R-phase
MoS2. These findings are significant for the development
of emerging quantum electronic devices utilizing valley-based physics
and nonlinear optical phenomena in layered materials