Publications by authors named "Hanaa S Sallam"

Chronic conditions or diseases are defined as persistent conditions lasting ≥ 1 year requiring either ongoing medical attention or limiting daily living or both (Agency for Healthcare Research and Quality (AHRQ) in Programs: SHARE approach workshop, Agency for Healthcare Research and Quality (AHRQ) (2016) Programs: SHARE approach workshop 2016. https://www.ahrq.

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Type 2 diabetes (T2D) is a growing public health concern, disproportionately impacting racial and ethnic minorities. Assessing disparities is the first step towards achieving the translation goal to reduce disparities in diabetes outcomes, according to the Centers for Disease Control and Prevention (CDC)'s Division of Diabetes. We analyzed the data of patients (18+ years) diagnosed with T2D between 1 January 2012 and 31 March 2017, using the electronic health records of the University of Texas Medical Branch at Galveston.

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Purpose: This study aimed to examine the impact of utilization of the Medicare-covered Diabetes Self-Management Training (DSMT) on the likelihood of receiving preventive care and on outcomes among cancer survivors with diabetes.

Methods: We conducted a retrospective cohort study using 1999-2019 Texas Cancer Registry-Medicare linkage data for beneficiaries diagnosed with prostate, colorectal, or breast cancer for ≥5 years. We used propensity score matching to estimate the beneficiaries' probability of receiving DSMT and matched it with non-users.

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Article Synopsis
  • * A review of 248 articles revealed that these individuals show increased risks for COVID-19 infection, hospitalization, and hyperinflammation, which can lead to higher rates of ICU admissions and death.
  • * Managing blood glucose levels and inflammation is important for improving health outcomes in patients with cardiometabolic diseases during COVID-19, making it essential for healthcare providers to assess inflammatory states in these patients.
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Obesity is a condition of chronic tissue inflammation and oxidative stress that poses as a risk factor for male infertility. Moringa oleifera oil extract is known to have cholesterol-lowering properties and a potential to treat obesity, while lycopene is a potent antioxidant. We hypothesize that Moringa or lycopene may improve male fertility markers in an animal model of diet-induced obesity.

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Background: In the United States, more than 14 million adults suffer from alcohol use disorder (AUD). We proposed a stress-free method of electroacupuncture (EA) using chronically implanted electrodes. We aimed to develop an effective method of EA for treating AUD by testing various stimulation locations and parameters, and then investigate the effects of the daily EA on alcohol consumption and withdrawal signs in rats.

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Aims: Neuropathic pain following nerve injury does not respond well to most available pharmacological remedies. We aimed to compare the outcome of the addition of adipose-derived mesenchymal stem cells (ADMSCs) to pregabalin for neuropathic pain treatment.

Methods: Adult female albino rats ( = 100) were randomized to receive traumatic sciatic nerve injury or sham.

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Aims: To examine whether addition of amlodipine (5 mg)/atorvastatin (10 mg) A/A to Therapeutic Lifestyle change intervention (TLC) would beneficially modulate Metabolic Syndrome (MetS) and oxidized low-density lipoprotein (Ox-LDL) levels.

Methods: Patients with MetS (n = 53) were randomized to TLC + placebo or TLC + A/A for 12 months. Anthropometric measurements, blood pressure (BP), lipid profile, plasma Ox-LDL, and area under the curve of free fatty acid (AUC) during oral glucose tolerance test, a marker of adipose tissue health, were assessed before and after the intervention.

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There is growing evidence that type 2 diabetes or insulin resistance is linked to cognitive impairment. We recently confirmed altered lipid composition, down-regulation of insulin receptor expression and impaired basal synaptic transmission in the hippocampus of our transgenic murine model of adipocyte insulin resistance (AtENPP1-Tg). Here we evaluated whether the correction of adipose tissue dysfunction [via the subcutaneous transplantation of mesenchymal stem cells (MSC)] can improve the hippocampal synaptic transmission in AtENPP1-Tg mice versus their wildtype littermates.

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Background: In severe burns, increased intestinal permeability facilitates bacterial translocation, resulting in systemic endotoxemia and multi organ failure. We investigated the role of burn-induced gastrointestinal dysmotility (BIGD) in promoting bacterial translocation following burn injury, and the protective effect of ghrelin in this process.

Methods: We assessed gastric emptying (GE%) and intestinal transit (IT by geometric center "GC") in a 60% total body surface area scald burn rat model and measured bacterial counts in mesenteric lymph nodes (MLN) and distal small intestine by colony-forming unit per gram of tissue (CFU/g).

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Background: Gestational diabetes mellitus (GDM) is a metabolic disorder characterized by insulin resistance (IR) and altered glucose-lipid metabolism. We propose that ectonucleotide pyrophosphate phosphodiesterase-1 (ENPP1), a protein known to induce adipocyte IR, is a determinant of GDM. Our objective was to study ENPP1 expression in adipose tissue (AT) of obese pregnant women with or without GDM, as well as glucose tolerance in pregnant transgenic (Tg) mice with AT-specific overexpression of human ENPP1.

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Objectives: We proposed a novel method of chronic electroacupuncture (EA) using implanted electrodes for the treatment of chronic chemotherapy-induced nausea and vomiting (CINV). We aimed to establish a rodent model of delayed emesis and explore EA effects on kaolin intake.

Materials And Methods: Saline-treated and cisplatin-treated rats underwent chronic placement of electrodes at bilateral PC6 and ST36 acupoints.

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Compelling evidence indicates that type 2 diabetes mellitus, insulin resistance (IR), and metabolic syndrome are often accompanied by cognitive impairment. However, the mechanistic link between these metabolic abnormalities and CNS dysfunction requires further investigations. Here, we evaluated whether adipose tissue IR and related metabolic alterations resulted in CNS changes by studying synapse lipid composition and function in the adipocyte-specific ecto-nucleotide pyrophosphate phosphodiesterase over-expressing transgenic (AtENPP1-Tg) mouse, a model characterized by white adipocyte IR, systemic IR, and ectopic fat deposition.

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Background: Children with severe cutaneous burn injury show persistent metabolic abnormalities, including inflammation and insulin resistance. Such abnormalities could potentially increase their future risk for developing type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD). This could be related to changes in body composition and fat distribution.

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Background: The gastrointestinal (GI) dysmotility of systemic sclerosis (SSc, scleroderma) patients requires careful evaluation and intervention. The lack of effective prokinetic drugs motivate researchers to search for alternative treatments.

Objectives: We present an overview of the pathophysiology of SSc GI dysmotility and the advances in its management, with particular focus on acupuncture-related modalities and innovative therapies.

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Resistin is an adipocyte- and monocyte-derived cytokine which has been implicated in the modulation of insulin action, energy, glucose and lipid homeostasis. Resistin has been associated with insulin resistance and many of its known complications. As a molecular link between metabolic signals, inflammation, and vascular dysfunction, resistin can be proposed as playing a significant role in the heightened inflammatory state induced by metabolic stress linked to excessive caloric intake, thus contributing to the risk for metabolic syndrome (MetS), type 2 diabetes (T2DM), and cardiovascular diseases (CVD).

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Adipose tissue is an endocrine organ that secretes a number of hormones and metabolically active substances that impact energy metabolism and insulin sensitivity. These inflammatory markers are collectively referred to as adipocytokines, or adipokines. Adipose tissue's functional capacity and metabolic activity vary among individuals, thus partly explaining the incomplete overlap between obesity and the metabolic syndrome.

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Purpose: We assessed the effects of transcutaneous electrical nerve stimulation (TENS) on neurogastric functioning in scleroderma patients.

Methods: Seventeen SSc patients underwent 30 min TENS treatment >10Hz at GI acupuncture points PC6 and ST36, once (acute TENS) and then after two weeks of TENS sessions for 30 min twice daily (prolonged TENS). Data collected at Visits 1 and 2 included gastric myoelectrical activity (GMA) by surface electrogastrography (EGG), heart rate variability (HRV) by surface electrocardiography (EKG), GI specific symptoms and health related SF-36 questionnaires.

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Gastrointestinal (GI) hypomotility and symptoms are common in Scleroderma (SSc) patients yet so far uncorrelated. Eight SSc patients and matched controls were queried about their GI dysmotility symptoms and quality of life (QoL) and underwent anorectal motility and sensory tests. Specific scoring systems were developed for anorectal symptoms and anorectal dysmotility.

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Article Synopsis
  • Obesity is a major health issue in the U.S., and current treatments are not very effective; this study explores colon electrical stimulation (CES) as a potential new treatment.
  • The study involved six dogs and found that CES delayed solid gastric emptying by 77%, reduced intestinal motility, and affected autonomic functions related to digestion.
  • CES led to a significant 61% decrease in food intake, suggesting it could help manage obesity by impacting gastric and intestinal processes, although more research is needed.
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Background: Burn-induced delayed gastric emptying and intestinal transit limits enteral feeding/resuscitation.

Aims: To study (1) the effects of burn injury on gastric emptying and intestinal transit at different time points following enteral feeding/fluids, and (2) the effects of enteral resuscitative fluids on gastric emptying, intestinal transit, and plasma volume expansion.

Methods: Rats were randomized into sham-burn and burn groups.

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This review evaluated published data regarding the effects of ghrelin on GI motility using the PubMed database for English articles from 1999 to September 2009. Our strategy was to combine all available information from previous literature, in order to provide a complete structured review on the prokinetic properties of exogenous ghrelin and its potential use for treatment of various GI dysmotility ailments. We classified the literature into two major groups, depending on whether studies were done in health or in disease.

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Distention of the proximal colon may have inhibitory or excitatory effects on the rectum and vice versa. The reflexes between the proximal colon and the rectum have not been well studied due to difficulties in accessing the proximal colon. The aim of this study was to investigate the reflex responses and their mechanisms between the proximal colon and the rectum in consideration of distention-related changes in tone and compliance of these regions as well as anal sphincter relaxation in a canine model.

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Delayed gastric emptying is common following severe large cutaneous burns; however, the mechanisms of burn-induced delayed gastric emptying remain unknown. The aim of this study was to explore the possible involvement of hyperglycemia and cyclooxygenase-2 receptors in the burn-induced gastric dysrhythmias. Gastric slow waves and gastric emptying were assessed in rats 6 h following sham or burn injury.

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Article Synopsis
  • Gastrointestinal ileus is a common problem after severe burns, affecting how the stomach and intestines work.
  • A study tested the effects of selective COX-2 inhibitors on gastric emptying (GE) and small bowel transit (SBT) in rats after burns.
  • Results showed that COX-2 inhibitors improved gastric emptying in burned rats but did not affect small bowel transit, suggesting that burn-induced delays in gastric emptying are linked to the prostaglandin pathway.
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