Publications by authors named "C Hallberg"

Article Synopsis
  • Postural orthostatic tachycardia syndrome (POTS) affects about 30% of individuals with post-COVID-19 condition, leading to significant physical and psychological limitations.
  • A study evaluated tailored endurance and strength training over 12 weeks for 26 participants, with high adherence rates (76% for exercise and 96% completion).
  • The intervention showed improvements in symptoms and physical/psychological functions, suggesting that future research can be conducted with minor adjustments to the evaluation methods used.
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A successful pilot program served as a model for how educators in healthcare organizations can reduce the academic-practice gap by supporting preceptors. Preceptors received enhanced training using self-paced online modules and an asynchronous online problem-based learning. Statistically significant increases in self-efficacy and satisfaction with training were reported.

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Purpose: To investigate 2-year post-operative hearing performance, safety, and patient-reported outcomes of hearing-impaired adults treated with the Osia 2 System, an active osseointegrated bone-conduction hearing implant that uses piezoelectric technology.

Methods: A prospective, multicenter, open-label, single-arm, within-subject clinical study conducted at three tertiary referral clinical centers located in Melbourne, Sydney and Hong Kong. Twenty adult recipients of the Osia 2 System were enrolled and followed up between 12 and 24 months post-implantation: 17 with mixed or conductive hearing loss and 3 with single-sided sensorineural deafness.

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Background And Aims: Chronic hepatitis C [CHC] is a risk factor for porphyria cutanea tarda [PCT]. To assess whether ledipasvir/sofosbuvir is effective for treating both PCT and CHC, we treated patients with CHC + PCT solely with ledipasvir/sofosbuvir and followed them for at least 1 year to assess cure of CHC and remission of PCT.

Methods: Between September 2017 and May 2020, 15 of 23 screened PCT + CHC patients were eligible and enrolled.

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On university campuses and in similar congregate environments, surveillance testing of asymptomatic persons is a critical strategy (1,2) for preventing transmission of SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19). All students at Duke University, a private research university in Durham, North Carolina, signed the Duke Compact (3), agreeing to observe mandatory masking, social distancing, and participation in entry and surveillance testing. The university implemented a five-to-one pooled testing program for SARS-CoV-2 using a quantitative, in-house, laboratory-developed, real-time reverse transcription-polymerase chain reaction (RT-PCR) test (4,5).

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