A standardised method for improving patient education material readability for orthopaedic trauma patients.

PURPOSE: While the National Institutes of Health and American Medical Association recommend patient education materials (PEMs) should be written at the sixth-grade reading level or below, many patient education materials related to traumatic orthopaedic injuries do not meet these recommendations. The purpose of this study is to create a standardised method for enhancing the readability of trauma-related orthopaedic PEMs by reducing the use of ≥ three syllable words and reducing the use of sentences >15 words in length. We hypothesise that applying this standardized method will significantly improve the objective readability of orthopaedic trauma PEMs. METHODS: A patient education website was queried for PEMs relevant to traumatic orthopaedic injuries. Orthopaedic trauma PEMs included (N = 40) were unique, written in a prose format, and <3500 words. PEM statistics, including scores for seven independent readability formulae, were determined for each PEM before and after applying this standard method. RESULTS: All PEMs had significantly different readability scores when comparing original and edited PEMs (p < 0.01). The mean Flesch Kincaid Grade Level of the original PEMs (10.0 ± 1.0) was significantly higher than that of edited PEMs (5.8 ± 1.1) (p < 0.01). None of the original PEMs met recommendations of a sixth-grade reading level compared with 31 (77.5%) of edited PEMs. CONCLUSIONS: This standard method that reduces the use of ≥ three syllable words and <15 word sentences has been shown to significantly reduce the reading-grade level of PEMs for traumatic orthopaedic injuries. Improving the readability of PEMs may lead to enhanced health literacy and improved health outcomes.

Readability of spine-related patient education materials: a standard method for improvement.

PURPOSE: Orthopaedic patient education materials (PEMs) have repeatedly been shown to be well above the recommended reading level by the National Institute of Health and American Medical Association. The purpose of this study is to create a standardized method to improve the readability of PEMs describing spine-related conditions and injuries. It is hypothesized that reducing the usage of complex words (≥ 3 syllables) and reducing sentence length to < 15 words per sentence improves readability of PEMs as measured by all seven readability formulas used. METHODS: OrthoInfo.org was queried for spine-related PEMs. The objective readability of PEMs was evaluated using seven unique readability formulas before and after applying a standardized method to improve readability while preserving critical content. This method involved reducing the use of > 3 syllable words and ensuring sentence length is < 15 words. Paired samples t-tests were conducted to assess relationships with the cut-off for statistical significance set at p < 0.05. RESULTS: A total of 20 spine-related PEM articles were used in this study. When comparing original PEMs to edited PEMs, significant differences were seen among all seven readability scores and all six numerical descriptive statistics used. Per the Flesch Kincaid Grade level readability formula, one original PEM (5%) versus 15 edited PEMs (75%) met recommendations of a sixth-grade reading level. CONCLUSION: The current study shows that using this standardized method significantly improves the readability of spine-related PEMs and significantly increased the likelihood that PEMs will meet recommendations for being at or below the sixth-grade reading level.

Analysis of Inflammatory Signaling in Human Middle Ear Cell Culture Models of Pediatric Otitis Media.

OBJECTIVES/HYPOTHESIS: Cell culture models are valuable tools for investigation of the molecular pathogenesis of diseases including otitis media (OM). Previous study indicates that age-, sex-, and race-associated differences in molecular signaling may impact disease pathophysiology. Currently, a singular immortalized middle ear epithelial (MEE) cell line exists, HMEEC-1, derived from an adult without known middle ear disease. In this study, HMEEC-1 and primary MEE cultures from pediatric patients with and without OM were stimulated with inflammatory cytokines or OM-pathogenic bacterial lysates to examine differences in the response of molecules associated with OM pathogenesis. STUDY DESIGN: Case-control series. METHODS: MEE cultures were established from patients aged <6 years: two with recurrent OM (ROM), two with OM with effusion (OME), and one patient without OM who was undergoing cochlear implant surgery control undergoing cochlear implantation (Peds CI). Primary MEE cultures and HMEEC-1 cells were stimulated with tumor necrosis factor-α, interleukin (IL)-1ß, or nontypeable Haemophilus influenzae lysate. TNFA, IL1B, IL6, IL8, IL10, and MUC5B were assayed via quantitative polymerase chain reaction. IL-8 was assayed by enzyme-linked immunosorbent assay. RESULTS: Gene/protein target expressions were frequently higher in pediatric OM lines than in HMEEC-1 and Peds CI. HMEEC-1 cells were frequently less responsive to stimuli than all pediatric lines. OME lines were often more responsive than ROM lines. CONCLUSIONS: OM may be associated with specific molecular phenotypes that are retained in primary cell culture. Adult-derived HMEEC-1 cells differ significantly in baseline expression and response of OM-associated molecules relative to pediatric MEE cells. Work is underway to immortalize pediatric OM MEE cultures as improved tools for the OM research community. LEVEL OF EVIDENCE: 4 Laryngoscope, 131:410-416, 2021.

Attenuation of Helper T Cell Capacity for TH1 and TH17 Differentiation in Children With Nontuberculous Mycobacterial Infection.

Nontuberculous mycobacteria (NTM) infect children with increasing frequency worldwide. Using blood and lymph node tissue from children with NTM lymphadenitis, and uninfected lymph node tissue from community controls, we evaluated helper T (TH) cells in functional assays of TH1/TH17 differentiation and measured the concentration of their associated cytokines at the site of infection. Circulating TH cells from infected children were attenuated in their TH1/TH17 differentiation capacity and expressed less interferon γ and interleukin 17 after polyclonal stimulation. Similar differences were observed at the site of infection, where most cytokine concentrations were unchanged relative to controls. Our data are consistent with a model wherein TH1/TH17 differentiation is attenuated in NTM-infected children.

Detection of pepsin and IL-8 in saliva of adult asthmatic patients.

Objective: Asthma and gastric reflux disease are widespread and often coexisting diseases with complex interactions, leading some to suspect that asthma symptoms of patients with reflux may improve with anti-reflux therapy. The objective of this study was to determine whether pepsin in saliva, indicative of airway reflux, could be detected in patients with asthma of varying severity and test the requirement of citric acid as a pepsin preservative. Methods: Saliva samples were collected in the clinic (with/without citric acid) and upon waking the following morning from 25 asthmatic patients. Enzyme-linked immunosorbent assay was performed for pepsin and interleukin-8 (IL-8), an inflammatory cytokine induced by pepsin in other airway epithelia. Pepsin induction of IL-8 was tested in a lung epithelial cell culture model. Results: Pepsin was detected in saliva from 14/25 patients (56%; mean concentration of pepsin in specimens where observed ±SD =80.3±87.5 ng/mL); significant agreement was found between samples collected in the presence/absence of citric acid. No significant associations were found with pepsin and clinical measures of asthma severity. IL-8 was detected in saliva from 22/25 patients (88%; mean IL-8 in all specimens where observed =3.27±3.91 ng/mL). IL-8 was significantly upregulated in human lung epithelial cells exposed to pepsin at pH7 in vitro (P=0.041). Conclusion: In summary, more than half of the asthma patients in this study were found to have pepsin in their saliva, indicative of airway reflux. These data support the use of salivary pepsin as a noninvasive tool for future investigation of airway reflux in a larger cohort. The data further suggest that collection in citric acid as a sample preservative is not warranted and that pooling of multiple saliva samples collected at various timepoints may improve sensitivity of pepsin detection and reduce costs incurred by multiple sample analysis in future studies.

Rapid Prototyping of Polymer-Based Rolled-Up Microfluidic Devices.

This work presents the simple and rapid fabrication of a polymer-based microfluidic prototype manufactured by rolling up thin films of polymer. The thin films were fabricated via a casting method and rolled up around a center core with the aid of plasma activation to create a three-dimensional (3D) spiral microchannel, hence reducing the time and cost of manufacture. In this work, rolled-up devices with single or dual fluidic networks fabricated from a single or two films were demonstrated for heat sink or heat exchanger applications, respectively. The experimental results show good heat transfer in the rolled-up system at various flow rates for both heat sink and heat exchanger devices, without any leakages. The rolled-up microfluidic system creates multiple curved channels, allowing for the generation of Dean vortices, which in turn lead to an enhancement of heat and mass transfer and prevention of fouling formation. These benefits enable the devices to be employed for many diverse applications, such as heat-transfer devices, micromixers, and sorters. To our knowledge, this work would be the first report on a microfluidic prototype of 3D spiral microchannel made from rolled-up polymeric thin film. This novel fabrication approach may represent the first step towards the development of a pioneering prototype for roll-to-roll processing, permitting the mass production of polymer-based microchannels from single or multiple thin films.

Out-of-pocket spending in the last five years of life.

BACKGROUND: A key objective of the Medicare program is to reduce risk of financial catastrophe due to out-of-pocket healthcare expenditures. Yet little is known about cumulative financial risks arising from out-of-pocket healthcare expenditures faced by older adults, particularly near the end of life. DESIGN: Using the nationally representative Health and Retirement Study (HRS) cohort, we conducted retrospective analyses of Medicare beneficiaries' total out-of-pocket healthcare expenditures over the last 5 years of life. PARTICIPANTS: We identified HRS decedents between 2002 and 2008; defined a 5 year study period using each subject's date of death; and excluded those without Medicare coverage at the beginning of this period (n = 3,209). MAIN MEASURES: We examined total out-of-pocket healthcare expenditures in the last 5 years of life and expenditures as a percentage of baseline household assets. We then stratified results by marital status and cause of death. All measurements were adjusted for inflation to 2008 US dollars. RESULTS: Average out-of-pocket expenditures in the 5 years prior to death were $38,688 (95 % Confidence Interval $36,868, $40,508) for individuals, and $51,030 (95 % CI $47,649, $54,412) for couples in which one spouse dies. Spending was highly skewed, with the median and 90th percentile equal to $22,885 and $89,106, respectively, for individuals, and $39,759 and $94,823, respectively, for couples. Overall, 25 % of subjects' expenditures exceeded baseline total household assets, and 43 % of subjects' spending surpassed their non-housing assets. Among those survived by a spouse, 10 % exceeded total baseline assets and 24 % exceeded non-housing assets. By cause of death, average spending ranged from $31,069 for gastrointestinal disease to $66,155 for Alzheimer's disease. CONCLUSION: Despite Medicare coverage, elderly households face considerable financial risk from out-of-pocket healthcare expenses at the end of life. Disease-related differences in this risk complicate efforts to anticipate or plan for health-related expenditures in the last 5 years of life.