Publications by authors named "Khalfallah M"

Background: The popularity of behavioural and metabolic risk factors associated with atherosclerotic cardiovascular diseases (ACVDs) has increased because of social progress, rapid economic development, population aging, and changes in social ideology. We aimed to perform a systematic analysis of risk factors associated with the rising rate of ACVDs in Egypt.

Methods: This study was carried out on 1,700 participants.

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  • * The study evaluated the effects of probiotics on Nile tilapia by testing different methods of administration (feed, water, or both) over 12 weeks.
  • * Results showed that probiotics enhanced growth, feed efficiency, and immune responses, with the best outcomes from the combined feed and water approach, highlighting the need for optimized probiotic use in aquaculture.
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  • The study aimed to examine the clinical and epidemiological data regarding impaired functional outcomes, specifically low anterior resection syndrome (LARS), following rectal surgery for tumors.
  • It involved a retrospective analysis of 42 patients treated between 2009 and 2021, revealing that approximately 50% developed LARS, with major LARS occurring in 14 patients.
  • The researchers identified age and advanced tumor stage (pT3T4) as independent risk factors for major LARS, suggesting that these factors should be considered in managing rectal cancer patients.
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  • Coronary artery atherosclerosis and calcification are key factors in developing coronary artery disease, and coronary artery calcium scoring (CACS) helps assess risk levels for patients.
  • A study with 435 patients with stable ischemic heart disease categorized them based on CACS and monitored them for major cardiovascular events over two years.
  • Results indicated that patients with a high CACS (≥400) experienced significantly more major adverse cardiovascular events, with age, risk score, and other factors being independent predictors of these outcomes.
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Background: Coronary slow flow (CSF) is characterized by late distal coronary perfusion of coronary arteries at the time of angiography despite the vessels appearing normal. The importance of CSF is still debatable. Therefore, this study aimed to investigate CSF's predictors and clinical outcomes in diabetic patients with chronic coronary syndrome (CCS).

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Introduction Cyclin-dependent kinase inhibitor 2A (CDKN2A) is a suppressor carcinogenic gene that is upregulated across various types of cancer including breast, liver, thyroid, and bile duct cancer due to its crucial role in cell cycle regulation and cell division. Nevertheless, it is mostly investigated at the genetic level, but it is still poorly studied on pan-cancer analysis as a biomarker and this study shows its significant potential diagnostic and prognostic characteristics. However, this study aims to investigate the role of CDKN2A as a diagnostic and prognostic biomarker across various types of cancer focusing primarily on colon adenocarcinoma (COAD).

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Background Chikungunya virus (CHIKV) infection poses a significant global health threat, necessitating a deeper understanding of its molecular mechanisms for effective management and treatment. This study aimed to understand the molecular and genetic mechanisms of CHIKV infection by analyzing microarray expression data. Methodology National Center for Biotechnology Information (NCBI) GEO2R with an adjusted p-value cut-off of <0.

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Laparoscopic sleeve gastrectomy with omentopexy (O-LSG) has been compared to laparoscopic sleeve gastrectomy with no-omentopexy (NO-LSG) in terms of postoperative outcomes and one-year anthropometric results. This systematic review with meta-analysis aimed to compare the utility of omentopexy in sleeve gastrectomy. We performed a systematic review with meta-analysis according to PRISMA 2020 and AMSTAR 2 guidelines.

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Introduction: Surgery remains a cornerstone in the treatment of rectal cancer. Optimal surgical resection implies respect for carcinologic principles. The best way to evaluate a good quality of resection requires certainly an exhaustive evaluation of the surgical specimen by the surgeon and the pathologist.

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Cancer and/or major surgery are two factors that predispose to post-operative thrombosis. The annual incidence of venous thromboembolic disease (VTED) in cancer patients was estimated at 0.5%-20%.

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  • Necrotizing fasciitis (NF) is a severe and rare soft tissue infection that can be life-threatening, as highlighted in a case involving a 76-year-old male with colorectal cancer.
  • The patient exhibited rapid onset of septic shock along with skin necrosis and inflammation, ultimately traced back to a perforated sigmoid colon.
  • The case underscores the importance of identifying diverse symptoms of NF and its link to serious abdominal conditions for timely treatment and better patient survival.
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Background: Odontogenic keratocyst (OKC) is a benign intraosseous lesion relatively frequent in the oral cavity. It has a locally aggressive behavior and exhibits a high propensity to recur after treatment. The present study aimed to investigate the clinicoradiographic presentations and outcomes of surgical treatment of OKC at Khartoum Teaching Dental Hospital.

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Background: Vascular calcification (VC) is a major predictor of cardiovascular diseases that represent the principal cause of mortality among type-2 diabetic patients. Accumulating data suggest the vital role of some microRNAs on vascular calcification as an epigenetic regulator. Thus, we assessed herein, the role of serum miR-433-3p in vascular calcification in type-2 diabetic patients.

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Ntroduction: Writing medical certificates is part of the doctor's daily practice.

Aim: To analyze the complaints related to medical certificates filed to the Regional Council of the Order of Doctors (RCOD) of Tunis and to identify the predictive factors of disciplinary sanctions.

Methods: We collected the complaints filed to the RCOD of Tunis between 01/01/2017 and 31/12/2017, in relation to a problem with the establishment and/or the issuance of medical certificates by registered certifying doctors at RCOD, Tunis.

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The present investigation seeks to assess the impact of fillers on the mechanical characteristics of entirely biodegradable composites, introducing an advanced solution to fulfil long-term durability demands within point-of-purchase (POP) industries. The inclusion of calcium carbonate (CaCO) fillers on the various properties of the flax fibre-reinforced composites, after accelerated irradiation in an ultraviolet (UV) radiation exposure has been investigated in the present study. Different types of flax fibre-reinforced poly lactic acid (PLA) biocomposites (with and without filler) were fabricated.

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Background: Hypertension is a leading problem; it affects around thirty million adult Egyptians, according to the last national registry. The exact prevalence of resistant hypertension (RH) in Egypt wasn't spotted before. The purpose of this study was to determine the prevalence, predictors, and impact on adverse cardiovascular outcomes among adult Egyptians with RH.

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Background: Nonalcoholic fatty liver disease (NAFLD) is increasing worldwide and is a growing cause of liver cirrhosis and cancer. The performance of the magnetic resonance elastography (MRE) visco-elastic parameters in diagnosing progressive forms of NAFLD, including nonalcoholic steatohepatitis (NASH) and substantial fibrosis (F ≥ 2), needs to be clarified.

Purpose: To assess the value of three-dimensional MRE visco-elastic parameters as markers of NASH and substantial fibrosis in mice with NAFLD.

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Background: Prediabetic patients are at increased risk for cardiovascular diseases and the development of microvascular and macrovascular complications. Intermittent fasting (IF) and low-carbohydrate diet (LCD) are promising dietary plans.

Objectives: Our aims to analyze the benefits of IF combined with LCD on microvascular and macrovascular outcomes in prediabetic patients.

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Background: Patient unawareness about acute myocardial infarction, its complications and the benefits of early revascularization is a crucial point that determines the outcomes. Moreover, the relationship between socioeconomic factors and patient presentation to primary percutaneous coronary intervention (PPCI) has not been fully studied.

Objectives: Our objective was to investigate whether or not patient unawareness and other socioeconomic factors impact patient presentation to PPCI.

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Background: Stress hyperglycemia is a common finding during acute myocardial infarction and associated with poor prognosis. To reduce the occurrence of no-reflow, prognostic factors must be identified before primary percutaneous coronary intervention (PPCI). Our objective was to investigate the impact of stress hyperglycemia in non-diabetic and diabetic patients on no-reflow phenomenon after PPCI.

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Background: No-reflow phenomenon after primary percutaneous coronary intervention is a common condition affecting the outcomes; therefore, studying its predictive factors is helpful in identifying patients at high risk. Our objective was to investigate the impact of the total ischemia time on no-reflow phenomenon and its correlation to thrombolysis in myocardial infarction flow grade after primary percutaneous coronary intervention.

Methods: This study was conducted on 545 patients with ST-elevation myocardial infarc-tion who underwent PPCI; the patients were divided into two groups according to the incidence of no-reflow, TIMI flow ≤2 was considered no-reflow.

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The aim of this study was to evaluate the moisture absorption behaviour and its influence on the mechanical properties of newly developed sandwich biocomposites with flax fibre-reinforced poly-lactic acid (PLA) face sheets and soft cork as the core material. Three different types of sandwich biocomposite laminates comprised of different layup configurations, namely, non-woven flax/PLA (Sample A), non-woven flax/PLA and cork as core (Sample B) and non-woven flax/paper backing/PLA, cork as core (Sample C), were fabricated. In order to evaluate the influence of moisture ingress on the mechanical properties, the biocomposites were immersed in seawater for a period of 1200 h.

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Background: Contrast induced nephropathy (CIN) is considered one of the most common causes of hospital acquired renal failure and severely affects morbidity and mortality. Our objective was to investigate incidence, predictors and outcomes of CIN in patients with ST elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PPCI).

Methods: The study was conducted on 550 patients with STEMI subjected to PPCI.

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Introduction: Although the symptoms attributed to gall stones resolve in most patients after cholecystectomy, some may have symptoms that persist or recur. It is known as the post-cholecystectomy syndrome (PCS). The aim of this case was to describe the diagnostic difficulties encountered and to discuss the main etiologies of this entity.

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