Publications by authors named "Changyong Feng"

Objectives: This study aimed to investigate the long-term oncological outcomes of Grade Group (GG) 4 and 5 Prostate Cancer (PCa) diagnosed by prostate biopsy who underwent robotic-assisted radical prostatectomy (RARP).

Methods: We retrospectively reviewed our database for those who had clinically localized GG 4 and 5 PCa discovered on prostate biopsy who underwent RARP before January 1, 2018. Demographic and clinical data was collected.

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Background: Heparin is the standard anticoagulant used during cardiopulmonary bypass (CPB). However, there are problems with heparin, including immunogenicity and variability of effect, that make a search for an alternative desirable. Dabigatran anticoagulation has been reported to provide adequate conditions for CPB in a rabbit model.

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The Wisconsin Stone Quality of Life (WISQOL) questionnaire is a survey-based tool that has been used to show worse health-related quality of life due to stone disease. The minimum clinically important difference threshold for determining whether changes in the WISQOL tool are meaningfully significant has not previously been estimated. Our study aimed to determine this threshold using distribution- and anchor-based methods.

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Objective: To examine the social determinants of early childhood caries (ECC), one of the greatest public health risks affecting children, and examine alternative pathways of influence.

Methods: A physically healthy, socio-demographically high-risk sample of initially caries-free children, aged 1-4 years, was prospectively studied for 2 years. At 6-month intervals, assessments were made of caries presence from a standard dental exam; oral microbiology was assayed from saliva samples; oral hygiene behaviors and psychological and psychosocial risk exposure were derived from interviews and questionnaires.

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Glaucoma is one of the leading causes of irreversible blindness around the world. Black individuals are two times more likely to be diagnosed with glaucoma compared to White individuals. In 2019, the prevalence of glaucoma in Monroe County was highest amongst older individuals aged 85 and non-Hispanic Blacks.

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Background: Limited access to pediatric oral health care in rural US areas is a substantial dental public health problem. In 2010, the Eastman Institute for Oral Health at the University of Rochester, initiated a synchronous teledentistry program to enhance oral health screenings, treatment planning, and treatment completion for rural pediatric patients who reside in the Western region of New York.

Methods: Data from dental records of all pediatric patients who were participants in the teledentistry program from its inception on April 13, 2010 through December 31, 2022, were reviewed.

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Background: Activation of the complement cascade is thought to play a role in scleroderma vasculopathy. We previously showed that complement factor D was elevated in patients with limited cutaneous SSc and pulmonary arterial hypertension (PAH). In this study, we sought to assess multiple relevant components of the complement cascade to determine if they are altered in SSc-PAH, as well as their potential utility as biomarkers of disease severity and progression.

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Article Synopsis
  • Doctors often use steroids after a treatment to help with pain and swelling, but there isn't strong proof they actually help and they can have risks.
  • A study with 365 patients looked at whether using steroids after a specific spine treatment (RFA) helped reduce pain compared to not using them.
  • The results showed that pain levels were about the same for both groups after 7 and 60 days, so adding steroids didn't seem to be helpful and could be risky.
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Article Synopsis
  • The study investigates the reliability of noninvasive blood pressure (NIBP) monitoring in patients with left ventricular assist devices (LVAD) during noncardiac surgeries.
  • Patients with the HeartMate 2 (HM2) showed significantly higher chances of having blood pressure monitoring gaps compared to those with HeartMate 3 (HM3), especially with factors like morbid obesity and longer surgery times increasing those gaps.
  • The research highlights the need for improved monitoring strategies for patients with LVADs, particularly those with the HM2 model, to ensure better management during surgeries.
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When thinking about major health concerns in the U.S. and around the world, eye care ranks lower compared to cardiovascular disease, cancer, and diabetes.

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Background: Prostate cancer (PCa) is the most common non-cutaneous malignancy in men and leads to the second most common cause of cancer related mortality in men. Early detection of PCa allows for a potentially curative intervention. Most men will live over a decade from the time of their PCa diagnosis.

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Introduction: This study aimed to identify social, psychological, and contextual factors that influenced attendance at routine oral health visits in a cohort of 189 preschool children who were followed over a 2-year period.

Methods: Generalized estimating equation was used to examine the association between clinic attendance and the predictors. ORs and 95% CIs were reported in the multiple logistic regression models.

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Introduction: Bivalirudin is recommended as an alternative to heparin in cardiac surgery with cardiopulmonary bypass. Although it has been used in infants and children for this indication, there is a paucity of data on the pharmacologic effects of bivalirudin in neonates. Given the immaturity of the hemostatic system in neonates, we hypothesized that coagulation responses to bivalirudin in this population would be different than in adults.

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Background: The impact of social isolation and loneliness (SIL) was heightened during the COVID-19 pandemic. Although the pandemic disproportionately affected racial/ ethnic minorities, no studies have investigated the ramifications of the pandemic on SIL among these populations. This study aimed to determine the prevalence and pervasiveness of SIL during the COVID-19 pandemic on minority communities.

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Purpose: The purpose of this cross-sectional clinical study was to determine and compare alveolar ridge mucosa thickness at crestal, buccal, and lingual locations of the maxillary and mandibular arches in completely edentulous patients using a dedicated, ultrasonic gingival scanner.

Materials And Methods: Thirty-eight completely edentulous subjects were included in the study. In each subject, soft tissue thickness was measured at 28 sites of the edentulous ridge by a single calibrated examiner.

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Purpose: To test the retention of two different overdenture attachment matrices and straight abutments when implants are placed at 0-, 15-, and 30-degree diverging angulations as well as the retention of 15-degree-angled abutments to correct the overall angulation to 0-degrees.

Materials And Methods: Matching aluminum blocks were machined to incorporate two dental implants at 0-degree, 15-degree, and 30-degree relative angulations and overdenture attachments to simulate a two-implant overdenture. At 0-degree, 15-degree, and 30-degree implant angulation, straight abutments were studied.

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Purpose: The primary aim was to evaluate dentoalveolar expansion with Invisalign clear aligners comparing linear measurements in ClinCheck vs. cone beam computed tomography (CBCT). This would enable an assessment of to what extent expansion gained from Invisalign clear aligners was due to buccal tipping and/or bodily translation of the posterior teeth.

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Background: Heparin anticoagulation has been used successfully for cardiopulmonary bypass (CPB). However, an alternative anticoagulant approach is desirable due to the cases of heparin-induced thrombocytopenia. Dabigatran provides anticoagulation for an in vitro model of simulated CPB.

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Purpose: The prevalence of tetrahydrocannabinol (THC) use is increasing in the general population due to its increased availability, legality, and cultural acceptability. The purpose of the current study was to measure the association of THC use on the vital signs and anesthetic requirements during intravenous (IV) sedation procedures in recreational marijuana users.

Methods: A retrospective cohort study was performed.

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Importance: Whether people from racial and ethnic minority groups experience disparities in access to minimally invasive mitral valve surgery (MIMVS) is not known.

Objective: To investigate racial and ethnic disparities in the utilization of MIMVS.

Design, Setting, And Participants: This cross-sectional study used data from the Society of Thoracic Surgeons Database for patients who underwent mitral valve surgery between 2014 and 2019.

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Fluoroscopy is essential in percutaneous nephrolithotomy (PCNL) but exposes patients and operating room staff to radiation. We investigated whether a low-dose (LD) protocol could reduce radiation exposure during fluoroscopy-guided access without compromising clinical outcomes. Patients undergoing PCNL with fluoroscopy-guided access at a tertiary care stone center between January 2019 and July 2021 were identified.

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Purpose: Telemedicine has been an emerging trend over the past few years and has seen an exponential rise due to the COVID-19 pandemic. The purpose of the present study was to determine the accuracy of planned oral and maxillofacial surgery (OMS) procedures for patients seen initially by telemedicine in the department of OMS during the pandemic.

Methods: This was a retrospective cohort study.

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Medical-grade masks and N95 respirators containing non-woven fibers are designed to prevent the spread of airborne diseases. While they effectively trap respiratory droplets and aerosols, they cannot lyse entrapped pathogens. Embedded antimicrobial agents such as silver, copper, zinc, iodine, peptides, quaternary ammonium salts, or nanoparticles have been used to overcome this limitation.

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