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Comprehensive Effect of Arc along with Ultrasonic Energy upon MIG Arc Ultrasonic Welding.
Objectives. Health utility estimates from the current era of HIV treatment, critical for cost-effectiveness analyses (CEA) informing HIV health policy, are limited. We examined peer-reviewed literature to assess the appropriateness of commonly referenced utilities, present previously unreported quality-of-life data from two studies, and discuss future implications for HIV-related CEA. Methods. We searched a database of cost-effectiveness analyses specific to HIV prevention efforts from 1999 to 2016 to identify the most commonly referenced sources for health utilities and to examine practices around using and reporting health utility data. Additionally, we present new utility estimates from the Centers of Disease Control and Prevention's Medical Monitoring Project (MMP) and the INSIGHT Strategies for Management of Anti-Retroviral Therapy (SMART) trial. We compare data collection time frames, sample characteristics, assessment methods, and key estimates. Results. Data collection for the most frequently cited utility estimates ranged from 1985 to 1997, predating modern HIV treatment. find more Reporting practices around utility weights are poor and lack details on participant characteristics, which may be important stratifying factors for CEA. More recent utility estimates derived from MMP and SMART were similar across CD4+ count strata and had a narrower range than pre-antiretroviral therapy (ART) utilities. Conclusions. Despite the widespread use of ART, cost-effectiveness analysis of HIV prevention interventions frequently apply pre-ART health utility weights. Use of utility weights reflecting the current state of the US epidemic are needed to best inform HIV research and public policy decisions. Improved practices around the selection, application, and reporting of health utility data used in HIV prevention CEA are needed to improve transparency.The practice of otolaryngology has been significantly challenged by the constraints of the novel virus pandemic, but the specialty has continued to provide clinical care for patients in a manner consistent with ethical principles and moral leadership. Continued attention to maintaining the ethical foundations for appropriate informed consent, provision of remote health care through telemedicine, and strengthening the patient-physician relationship while role modeling the highest level of professionalism will continue to be challenging for the specialty throughout and beyond the pandemic temporal boundaries. These contemporary elements of ethical clinical care, examined in the context of disruption of the traditional practice of otolaryngology, are foundational to the duties and responsibilities inherent to the profession of medicine.
5.
5.
Primary hyperparathyroidism (PHPT) is a condition in which one or more parathyroid glands secrete excess amounts of parathyroid hormone (PTH). In short, PHPT is characterized by hypercalcemia/hypercalciuria with concurrent elevated PTH levels. This condition is known to increase the risk of cardiovascular disease, osteoporosis, psychiatric disturbances, and renal complications. link2 As of now, the disease typically runs a long course before being identified and treated. At present, surgery is the only viable treatment option for patients with this disease. Publications from other tertiary centers have identified a large-scale underdiagnosis of PHPT. The aim of this study is to determine if similar trends exist at the University of Arkansas for Medical Sciences (UAMS). Moreover, this study was seen as a first step to developing a machine learning strategy to diagnose PHPT in large clinical data sets.

To evaluate for potential underdiagnosis of PHPT at UAMS, all patients from 2006 to 2018 with hypercalcemia and/ stages may open the door for medical and lifestyle interventions, thereby decreasing long-term sequelae of the disease, such as osteoporosis, myocardial infarction, or stroke.
These findings may represent a significant patient population in which PHPT remains undiagnosed due to lack of follow-up. PHPT is often a silent disease with an insidious onset. At the point of diagnosis, typically the treatment is surgical removal of the offending parathyroid gland(s) (parathyroidectomy). Identification of underdiagnosis is the first step for subsequent improvement in the diagnosis of PHPT. Detection of this disease in its earlier stages may open the door for medical and lifestyle interventions, thereby decreasing long-term sequelae of the disease, such as osteoporosis, myocardial infarction, or stroke.
To determine sound levels resulting from aural suctioning of the external auditory canal.

Unweighted decibels (dB) and A-weighted decibels (dBA) sound pressure level measurements were recorded using a retrotympanic microphone in cadaveric human temporal bones. Sound measurements were made with common otologic suctions, size 3, 5, and 7 French, within the external ear canal at the tympanic membrane, 5, and 10 mm from the tympanic membrane in the dry condition. In the wet condition, the ear canal was filled with fluid and completely suctioned clear to determine sound effects of suctioning liquid from the ear canal.

Sound levels generated from ear canal suctioning ranged from 68.3 to 97 dB and 62.6 to 95.1 dBA. Otologic suctions positioned closer to the tympanic membrane resulted in louder sound levels, but was not statistically significant (
 > .05). Using larger diameter suctions generated louder dB and dBA sound levels (
 < .001) and the addition of liquid in the ear canal during the suction process generated louder dB and dBA sound levels (
 < .001).

Smaller caliber suction sizes and nonsuctioning techniques should be utilized for in-office aural toilet to reduce noise trauma and patient discomfort.

5.
5.
Long-term commitment to humanitarian surgical outreach requires the opportunity, resources, and time to participate, but perhaps more importantly, it requires a preceding successful outreach experience. The Accreditation Council for Graduate Medical Education (ACGME) expects physician trainees to achieve six Core Competencies patient care, medical knowledge, interpersonal and communication skills, professionalism, practice-based learning and improvement, and systems-based practice. This study investigates the challenges and benefits of a supervised humanitarian experience with a focus on ACGME Core Competencies, future global outreach, and commitment to education.

Physician survey and program curriculum review.

Participants in a supervised humanitarian educational experience at a single Otology-Neurotology Fellowship Program between the years of 2006 and 2019 were surveyed. Barriers to participation, challenges, benefits, prior and ongoing humanitarian efforts, and education endeavors were discussed.

Challenges including time away from fellowship, logistical difficulties with Resident Review Committee recognition of operative case volume, and civil unrest were encountered. Benefits within all six ACGME Core Competencies were achieved. International collaboration with local providers, patients, and families with diverse socioeconomic and cultural backgrounds allowed bidirectional education while striving for safe, innovative solutions in resource-poor environments.

A supervised education experience with a sustainable humanitarian otology program offers Neurotology fellows an early positive experience near the end of their formal training. ACGME Professionalism goals were achieved through building collegial relationships with local otolaryngologists and staff, while fostering a sense of responsibility to assist those in developing nations. Participation correlated with an ongoing commitment to humanitarian efforts and education post-fellowship.

4.
4.
To compare the effect of a high-speed barbecue maneuver with the modified Lempert maneuver and sham in patients with benign paroxysmal positional vertigo (BPPV) of the horizontal canal.

Randomized sham-controlled, single blinded multicenter clinical trial in two university hospitals investigating consecutive patients with horizontal canal BPPV.Patients were randomly assigned to high-speed barbecue (HSB), modified Lempert maneuver (ML), or sham maneuver (SM). All treatments were performed in a biaxial rotational chair with weekly follow-up to a maximum of three treatment sessions. The final follow-up was 3 months after the last treatment.

Primary outcome 2-week recovery rate per protocol. Secondary outcome Cumulative recovery rate and Dizziness Handicap Inventory (DHI) scores after 3 months per protocol (HSB and ML) and intention to treat (all groups).Fifty-four patients were analyzed after 2 weeks (HSB = 17; ML = 20; SM = 17). Two-week recovery rate was 14/17 after HSB, 11/20 after ML, and 4/17 after SM, with significantly better recovery in HSB [OR 15.17, 95% CI (1.85, 124.63),
= .001] using sham as base level. Recovery rate after 3 months was 15/17 after HSB and 15/19 after ML. Cumulative recovery rate showed no significant differences between the two treatment groups [95% CI (0.30, 13.14),
= .46] in cure rate DHI [95% CI (-16.56, 15.02),
= .92]. No unexpected adverse events were observed.

Velocity change in horizontal canal BPPV treatment gives a faster initial recovery. link3 Rapid recovery could reduce the disease burden.

Clinicaltrials.gov. Identifier NCT01905800.

1b.
1b.
To analyze surgical outcomes of a novel alloplastic reconstruction technique for partial external auditory canal (EAC) defects in tympanomastoidectomy.

Retrospective study of 51 patients with cholesteatoma who underwent repair of partial EAC defects during tympanomastoidectomy at a tertiary referral center over 8 years. Nineteen patients were treated with a novel alloplastic graft technique using hydroxyapatite cement and bone pâté for EAC repair. Thirty-two patients treated with traditional cartilage repair of the EAC served as a control group. The primary outcomes measured were postoperative cholesteatoma recurrence rates, infection rates, and mean air-bone gap (ABG).

Twenty of the 51 cases (39.2%) were revision surgeries for cholesteatoma recidivism, with a greater proportion of revision surgeries in the alloplastic group (57.9% vs 28.1%,
= .04). There was no significant difference in postoperative cholesteatoma recurrence (
= 1.00) or infection rates (
= .64) between the two techniques, with the alloplastic group experiencing slightly lower rates of recurrence (36.8%) and infection (5.3%) than cartilage repair (37.5% recurrence, 12.5% infection). Mean postoperative ABGs were comparable between the alloplastic (21.5 dB) and cartilage group (26.0 dB,
= .10).

Composite alloplastic and bone pâté reconstruction is an effective technique to repair partial EAC defects in tympanomastoidectomy, with comparable postoperative hearing outcomes and no increased risk of cholesteatoma recurrence or infection compared to traditional cartilage repair. Recidivism rates were relatively high in both groups, likely due to the high rate of revision surgeries and aggressive nature of cholesteatoma within the cohort.

Level 3B.
Level 3B.
Conventional reporting of postoperative hearing outcomes utilizes a pure-tone averaged air-bone gap (ABG) that is biased toward low frequencies. Consequently, a high-frequency ABG after otologic surgery may go unnoticed. In this study, we evaluate changes in low- and high-frequency ABG following ossiculoplasty.

Retrospective review.

Consecutive series of patients who underwent ossiculoplasty at a single tertiary care center. Patients with pre- and postoperative audiograms were included.

Low-frequency ABG was calculated as the mean ABG at 250, 500, and 1000 Hz. High-frequency ABG was calculated at 4 kHz. Pre- and postoperative ABGs were compared.

Thirty-seven consecutive patients were included. Mean age at surgery was 38 years (range, 7-77 years). Reconstruction materials included cartilage (N = 4), hydroxyapatite cement (N = 5), and partial or total ossicular replacement prostheses (N = 20 and N = 8, respectively). Postoperatively, the mean low-frequency ABG improved by 11.9 ± 15.1 dB (
 < .0001) and the mean high-frequency ABG improved by 5.
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