Publications by authors named "Rizk C"

Infants requiring surgery for congenital heart disease (CHD) are at an increased risk of neurodevelopmental delay. Developmental Care Rounds (DCR) have been implemented widely to support the neurodevelopment of children with CHD while admitted to the hospital. This study aims to describe caregiver perceptions of DCR at a quaternary academic children's heart center.

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The incidence of metabolic dysfunction-associated steatotic liver disease (MASLD) has reached an epidemic rise worldwide. The disease is a constellation of a broad range of metabolic and histopathologic abnormalities. It begins with hepatic steatosis and progresses to metabolic dysfunction-associated steatohepatitis (MASH), including hepatic fibrosis, apoptosis, and cell injury.

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Patients with atrial fibrillation (AF) taking antithrombotic (AT) therapy are at an increased risk of gastrointestinal bleeding (GIB). The comparative effect of a combination of anticoagulant (AC) and antiplatelet (AP) versus AC monotherapy on clinical outcomes in patients with AF presenting with GIB is not well characterized. This study compares outcomes in AF patients with GIB on AC alone with those on combination AP and AC therapy, as part of a larger prospective study from 2013 to 2023.

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Introduction: Many of the first line medications for the treatment of active and latent M. tuberculosis are hepatoxic and cause a spectrum of anti-tuberculosis drug induced liver injury (ATLI), including acute liver failure (ALF). Despite advances in recognition of and prevention of ATLI, isoniazid remains one of the leading causes of DILI as well as drug-induced ALF.

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Purpose: We aim to develop modified clinical indication (CI)-based image quality scoring criteria (IQSC) for assessing image quality (IQ) and establishing acceptable quality doses (AQDs) in adult computed tomography (CT) examinations, based on CIs and patient sizes.

Approach: CT images, volume CT dose index ( ), and dose length product (DLP) were collected retrospectively between September 2020 and September 2021 for eight common CIs from two CT scanners at a central hospital in the Kingdom of Bahrain. Using the modified CI-based IQSC and a Likert scale (0 to 4), three radiologists assessed the IQ of each examination.

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In patients with transposition of the great arteries, the continuation of prostaglandin E1 is more frequent in patients with intact ventricular septum in comparison to patients with ventricular septal defect. Ballon atrial septostomy did not eliminate the need for prostaglandin E1 infusion until the time of surgery in both subgroups of patients.

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Background: Early syphilitic lesions are typically painless; however, several recent case studies have included patients with tender lesions and no evidence of concurrent infections. Here we present the manifestations and serological and molecular findings of a patient from New York State with a painful tongue lesion.

Methods: The diagnosis of syphilis was based on a combination of physical examination, serologic, pathologic, and immunohistochemical findings.

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Purpose: This work aimed to investigate the validity of wearable activity monitors (WAMs) as an objective tool to measure the return toward normal functional mobility following abdominal wall surgery. This was achieved by quantifying and comparing pre- and postoperative physical activity (PA).

Methods: A multicenter, prospective, observational cohort study was designed.

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This study aims to assess the image quality (IQ) of 12 mammographic units and to identify units with potential optimisation needs. Data for 350 mammography examinations meeting inclusion criteria were collected retrospectively from April 2021 to April 2022. They were categorised based on the medical reports into 10 normal cases, 10 cases displaying calcifications and 10 cases presenting lesions.

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Background: Dental anomalies (DAs) represent a significant chapter in pediatric dentistry with a lot of practical relevance. Both primary and permanent dentitions may be affected.

Objective: The main objective of our study was to evaluate, using digital panoramic radiographs, the prevalence, distribution, and patterns of DAs in a sample of Lebanese children aged between 8 and 15 years old.

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Article Synopsis
  • - The study investigated recovery factors from concussions in children and adolescents, focusing on elements that might predict a worse outcome based on clinical evaluations using the Post-concussion Symptom Scale (PCSS).
  • - Researchers conducted a retrospective review of patient charts from a sports medicine center, categorizing patients into recovered and poorly recovered based on their PCSS scores, with 110 cases meeting the criteria for analysis.
  • - Significant findings indicated that a previous migraine diagnosis and having an emergency room visit prior to the first clinic visit were linked to poorer recovery outcomes from concussions in pediatric patients.
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In 2019, an interprofessional team at Texas Children's Hospital designed and instituted developmental care rounds to better coordinate developmentally appropriate care within the cardiac intensive care unit. During the first 2 years, we conducted 230 developmental care rounds on 169 patients; for these rounds, family participation was greater than 85%. Since their inception, these rounds have undergone several modifications, including changes to the patient selection criteria and team role delegation.

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This study aims at quantifying the lifetime attributable risk of secondary fatal cancer (LARFAC) to patients receiving adjuvant radiotherapy treatment for thymoma, a neoplasm where cure rates and life expectancy are relatively high, patient age at presentation relatively low and indications for radiotherapy controversial depending on the disease stage.An anthropomorphic phantom was scanned, organs were contoured and a standard 6 MV 3DCRT treatment plan was produced for thymoma treatment. The phantom was loaded with thermoluminescent dosimeters (TLDs) and treated by linear accelerator per plan.

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Background: The Ryan White (RW) program funds medical and other support services for low-income persons with HIV, significantly improving progress along the HIV care continuum. Although the program has shown overall improvements in achievement of viral suppression, the relative contributions of changes in clinical practice and RW service components to the optimization of the HIV care continuum, particularly for those with new HIV diagnoses, remain unknown.

Methods: The target population was patients with recent HIV diagnoses who received care at RW-funded clinics in the greater New Haven area between 2009 and 2018.

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  • This study examines radiation exposure in pediatric patients undergoing transcatheter closure for ventricular septal defects (VSD) and analyzes various factors impacting that exposure.* -
  • Over a span of three years, it reviewed 85 cases, revealing that higher patient weight, more operators involved, complex device positioning, and procedural incidents significantly increased radiation exposure.* -
  • The findings highlight the need for careful management of these factors to minimize radiation doses in children during interventional cardiology procedures.*
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Objectives:  This randomized clinical trial aimed to evaluate clinical outcomes of two types of esthetic crowns fabricated using a three-dimensional (3D) dental printer and computer-aided design and manufacturing (CAD/CAM) system as an alternative full-coronal restoration for extensively carious pulp-treated primary molars.

Materials And Methods:  Randomization was done for 50 lower primary molars in 50 child patients, split into two groups based on the fabrication method used: Group A: CAD/CAM crowns using polymethyl methacrylate (PMMA) blocks and Group B: 3D dental printed crowns using GC photopolymer resin. All crowns were evaluated at baseline and at 3rd, 6th, and 12th months using the U.

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Background: Late diagnosis of human immunodeficiency virus (HIV) is associated with increased morbidity and mortality, and represents a serious public health concern.

Methods: A retrospective medical record review was conducted on 188 patients with newly diagnosed HIV at a large academic center's HIV clinic from 1/2010 to 12/2019. Patient demographic data, HIV staging, and response to combination antiretroviral therapy (cART) as measured by HIV viral suppression at 12 weeks (HIV RNA < 50 copies) were collected.

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  • This study aims to identify factors affecting radiation exposure during cerebral angiography (CA) and brain aneurysm embolization (BAE), establishing typical values based on procedure complexity.
  • A review of 348 examinations revealed that patient gender significantly influences radiation exposure, with males experiencing higher levels for both procedures.
  • Key findings indicate that the number of treated vessels during CA and the aneurysm's location during BAE also contribute to increased exposure levels.
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  • - The paper evaluates the accuracy of peak skin dose (Dskin,max) calculations from the Dose Map software (DMS) in interventional cardiology, by comparing computed values with measurements from thermoluminescent dosemeters.
  • - The average difference between computed and measured Dskin,max was 6%, indicating moderate agreement between the two methods, with a concordance coefficient of 0.9128.
  • - A local follow-up protocol for managing skin injuries in patients with Dskin,max of 2 Gy was suggested, confirming that DMS can effectively identify patients needing monitoring after procedures involving significant skin exposure.
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This paper presents the results of the evaluation of the uncertainty in measurement of the personal dose equivalent, Hp(10), at nine individual monitoring services (IMSs) in Asia and the Pacific region. Different types of passive dosemeters were type-tested according to the International Electrotechnical Commission 62387 requirements. The uncertainty in measurement was calculated using the Guide to the Expression of Uncertainty in Measurement approach.

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Article Synopsis
  • * The study measured peak skin doses (Dskin,max) and computed organ doses using PCXMC software, revealing that VSD occlusions had the highest associated organ doses and estimated cancer death risk (REID).
  • * Proposed weight-specific DRLs for VSD occlusions were introduced, demonstrating the need to optimize patient exposure, while also indicating that Dskin,max values were below the threshold for skin injuries.
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Background: Village Health and Nutrition Days (VHNDs) are a cornerstone of the Government of India's strategy to provide first-contact primary health care to rural areas. Recent government programmes such as the Janani Suraksha Yojana (JSY) and Mission Indradhanush (MI) have catalysed important changes impacting VHNDs. To learn how VHNDs are currently being delivered, we assessed the fidelity of services provided as compared to government norms in a priority district of Uttar Pradesh.

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  • * Twenty-four monitoring services participated, testing four sets of dosemeters in X-ray and gamma radiation at different angles.
  • * While most results fell within the acceptable limits, only a few reported confidence intervals that included the reference dose, indicating areas for improvement in calibration procedures for some systems.
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Argyria is a rare but cosmetically distressing and difficult-to-treat condition for which quality-switched (Q-switched) lasers have been most commonly employed. However, at least one previous report suggests that the picosecond alexandrite laser may also serve as a successful treatment modality. Herein, we present a side-by-side comparison of a picosecond 755-nm alexandrite laser and a Q-switched 1064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser in the treatment of argyria.

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