Publications by authors named "Amy B Stein"

4 Publications

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Evaluating for a correlation between osteopathic examination and ultrasonography on thoracic spine asymmetry.

J Osteopath Med 2021 Oct 13;122(1):31-43. Epub 2021 Oct 13.

Department of Anatomy, Midwesetern University, Arizona College of Osteopathic Medicine, Glendale, AZ, USA.

Context: The thoracic spine is a common area of focus in osteopathic manipulative medicine (OMM) for a variety of conditions. Thoracic spine somatic dysfunction diagnosis is achieved by palpating for asymmetry at the tips of the transverse processes (TPs). Previous studies reveal that instead of following the rule of threes, the TPs of a given thoracic vertebra generally align with the spinous process (SP) of the vertebra above. Ultrasonography has been widely utilized as a diagnostic tool to monitor musculoskeletal conditions; it does not utilize ionizing radiation, and it has comparable results to gold-standard modalities. In the case of thoracic somatic dysfunction, ultrasound (US) can be utilized to determine the location of each vertebral TP and its relationship with the SP. Previous studies have investigated the correlation between OMM and ultrasonography of the cervical, lumbar, and sacral regions. However, there has been no study yet that has compared osteopathic structural examination with ultrasonographic examination of the thoracic vertebral region.

Objectives: To examine the relationship between osteopathic palpation and ultrasonographic measurements of the thoracic spine by creating a study design that utilizes interexaminer agreement and correlation.

Methods: The ClinicalTrials.gov study identifier is NCT04823637. Subjects were student volunteers recruited from the Midwestern University (MWU)-Glendale campus. A nontoxic, nonpermanent marker was utilized to mark bony landmarks on the skin. Two neuromusculoskeletal board-certified physicians (OMM1, OMM2) separately performed structural exams by palpating T2-T5 TPs to determine vertebral rotation. Two sonographers (US1, US2) separately scanned and measured the distance from the tip of the SP to the adjacent TPs of the vertebral segment below. Demographic variables were summarized with mean and standard deviation. Interexaminer agreement was assessed with percent agreement, Cohen's Kappa, and Fleiss' Kappa. Correlation was measured by Spearman's rank correlation coefficient. Recruitment and protocols were approved by the MWU Institutional Review Board (IRB).

Results: US had fair interexaminer agreement for the overall most prominent segmental rotation of the T3-T5 thoracic spine, with Cohen's Kappa at 0.27 (0.09, 0.45), and a total agreement percentage at 51.5%. Osteopathic palpation revealed low interexaminer agreement for the overall most prominent vertebral rotation, with Cohen's Kappa at 0.05 (0.0, 0.27), and 31.8%. Segment-specific vertebral analysis revealed slight agreement between US examiners, with a correlation coefficient of 0.23, whereas all other pairwise comparisons showed low agreement and correlation. At T4, US had slight interexaminer agreement with 0.24 correlation coefficient, and osteopathic palpation showed low interexaminer (OMM1 vs. OMM2) agreement (0.17 correlation coefficient). At T5, there was moderate agreement between the two sonographers with 0.44 (0.27, 0.60) and 63.6%, with a correlation coefficient of 0.57, and slight agreement between OMM1 and OMM2 with 0.12 (0.0, 0.28) and 42.4%, with 0.23 correlation coefficient.

Conclusions: This preliminary study of an asymptomatic population revealed that there is a low-to-moderate interexaminer reliability between sonographers, low-to-slight interexaminer reliability between osteopathic physicians, and low interexaminer reliability between OMM palpatory examination and ultrasonographic evaluation of the thoracic spine.
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http://dx.doi.org/10.1515/jom-2021-0020DOI Listing
October 2021

COMPARISON OF FECAL CYTOLOGY AND PRESENCE OF ENTEROTOXIN IN CAPTIVE BLACK-FOOTED FERRETS () BASED ON DIET AND FECAL QUALITY.

J Zoo Wildl Med 2021 Jan;51(4):814-824

Department of Pathology and Population Medicine, College of Veterinary Medicine, Midwestern University, Glendale, AZ 85308, USA.

The black-footed ferret () is an endangered mustelid native to North America. Gastroenteritis is a documented cause of morbidity and mortality in managed individuals, particularly by infectious agents. Fecal cytology is an inexpensive and rapid test that can help guide clinical management strategies for animals with enteritis; however, normal parameters have not been established in black-footed ferrets. The objective of this study was to characterize fecal cytological findings of 50 fecal samples from 18 black-footed ferrets that received two different diet types (ground meat versus whole prey) and that were visibly judged to be normal or abnormal. This study also tested for the presence of enterotoxin by enzyme-linked immunosorbent assay in all abnormal and a subset of normal fecal samples. Significantly higher spore-forming bacteria and yeast prevalence were present in normal feces from individuals following the meat-based compared with the whole-prey diet. Samples from individuals with abnormal feces had significantly more spore-forming bacteria than normal feces, regardless of diet. Normal feces had higher diplococci and spore-forming bacteria compared with domestic canine and feline standards. A single abnormal fecal sample was positive for enterotoxin and originated from the only animal requiring treatment. Results indicate that low numbers of spore-forming bacteria can be found in fecal samples from clinically normal black-footed ferrets. Fecal cytology shows significantly increased spore-formers in clinically abnormal ferrets and in clinically normal ferrets following a ground meat-based diet.
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http://dx.doi.org/10.1638/2019-0208DOI Listing
January 2021

Predictors of preclinical hand skill performance in dental school.

J Dent Educ 2020 Oct 27;84(10):1117-1125. Epub 2020 Jun 27.

College of Dental Medicine-Arizona, Midwestern University, Glendale, Arizona, USA.

Context: Preclinical dental school instructors often observe some first-year students develop hand skills required for dental procedures more quickly and more easily than their peers. When questioned regarding prior experience, these advanced students often participated in physical activities that seem to predispose them to adapt their previously learned psychomotor hand skills to those required for dentistry.

Objective: This study examines the results of an Institutional Review Board approved 22-question survey of various lifelong predental school activities and correlations to first-year and second-year simulation clinic practical exam performance.

Design: The survey was taken anonymously at the Midwestern University College of Dental Medicine-Arizona by 4 consecutive dental school classes of 2017-2020 composed of 560 students, 552 of which responded. The purpose was to discover associations between lifelong activities and practical exam scores that may act as predictors of preclinical ability to develop visualization and psychomotor hand skills required for dental procedures.

Results: Higher preclinical practical scores were found to have the most correlation with higher levels of participation in psychomotor, artistic and outdoor physical activities. Participation in computer, musical instrument and culinary activities had no significant correlation, and prior experience in the medical or dental field had a negative correlation.

Conclusion: The lack of participation in these predisposing lifelong activities may predict slower development of dental hand skills and signal the need for more hands-on tutorial instruction in the simulation clinic so these students do not lag behind their peers.
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http://dx.doi.org/10.1002/jdd.12257DOI Listing
October 2020

Adverse Events Due to Insomnia Drugs Reported in a Regulatory Database and Online Patient Reviews: Comparative Study.

J Med Internet Res 2019 11 8;21(11):e13371. Epub 2019 Nov 8.

College of Graduate Studies, Midwestern University, Downers Grove, IL, United States.

Background: Patient online drug reviews are a resource for other patients seeking information about the practical benefits and drawbacks of drug therapies. Patient reviews may also serve as a source of postmarketing safety data that are more user-friendly than regulatory databases. However, the reliability of online reviews has been questioned, because they do not undergo professional review and lack means of verification.

Objective: We evaluated online reviews of hypnotic medications, because they are commonly used and their therapeutic efficacy is particularly amenable to patient self-evaluation. Our primary objective was to compare the types and frequencies of adverse events reported to the Food and Drug Administration Adverse Event Reporting System (FAERS) with analogous information in patient reviews on the consumer health website Drugs.com. The secondary objectives were to describe patient reports of efficacy and adverse events and assess the influence of medication cost, effectiveness, and adverse events on user ratings of hypnotic medications.

Methods: Patient ratings and narratives were retrieved from 1407 reviews on Drugs.com between February 2007 and March 2018 for eszopiclone, ramelteon, suvorexant, zaleplon, and zolpidem. Reviews were coded to preferred terms in the Medical Dictionary for Regulatory Activities. These reviews were compared to 5916 cases in the FAERS database from January 2015 to September 2017.

Results: Similar adverse events were reported to both Drugs.com and FAERS. Both resources identified a lack of efficacy as a common complaint for all five drugs. Both resources revealed that amnesia commonly occurs with eszopiclone, zaleplon, and zolpidem, while nightmares commonly occur with suvorexant. Compared to FAERS, online reviews of zolpidem reported a much higher frequency of amnesia and partial sleep activities. User ratings were highest for zolpidem and lowest for suvorexant. Statistical analyses showed that patient ratings are influenced by considerations of efficacy and adverse events, while drug cost is unimportant.

Conclusions: For hypnotic medications, online patient reviews and FAERS emphasized similar adverse events. Online reviewers rated drugs based on perception of efficacy and adverse events. We conclude that online patient reviews of hypnotics are a valid source that can supplement traditional adverse event reporting systems.
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http://dx.doi.org/10.2196/13371DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6874799PMC
November 2019
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