Khalid Ahmed

ORCID: 0000-0003-0618-1749
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Gastric Cancer Management and Outcomes
  • Esophageal and GI Pathology
  • COVID-19 Clinical Research Studies
  • COVID-19 and healthcare impacts
  • SARS-CoV-2 and COVID-19 Research
  • Colorectal Cancer Screening and Detection
  • Esophageal Cancer Research and Treatment
  • Gastrointestinal disorders and treatments
  • Respiratory viral infections research
  • Chronic Myeloid Leukemia Treatments
  • Hemoglobinopathies and Related Disorders
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Pediatric Hepatobiliary Diseases and Treatments
  • Colorectal Cancer Surgical Treatments
  • Pancreatitis Pathology and Treatment
  • Abdominal Surgery and Complications
  • Pneumothorax, Barotrauma, Emphysema
  • Tracheal and airway disorders
  • Chronic Lymphocytic Leukemia Research
  • Gallbladder and Bile Duct Disorders
  • Blood groups and transfusion
  • Helicobacter pylori-related gastroenterology studies
  • SARS-CoV-2 detection and testing
  • Antimicrobial Peptides and Activities
  • Trauma and Emergency Care Studies

Aga Khan University
2022-2025

University of Pavol Jozef Šafárik
2024-2025

Omdurman Islamic University
2025

University of Pennsylvania
2024

Riyadh Armed Forces Hospital
2024

University of Gezira
2024

Al-Neelain University
2024

University of Khartoum
2024

National Center for Cancer Care and Research
2020-2023

Hamad Medical Corporation
2016-2023

Abstract CONTEXT: Cardiovascular–kidney–metabolic (CKM) syndrome is a complex condition arising from interrelated factors such as heart disease, diabetes mellitus (DM), kidney dysfunction, and obesity. These may cause multiple organ failure, thus impacting patient’s health. AIMS: The aim of this study was to explore the association between CKM risk factors, estimated glomerular filtration rate, blood pressure, albumin-creatinine ratio, age, body mass index (BMI), low-density lipoprotein...

10.4103/jcc.jcc_2_25 article EN Journal of current cardiology. 2025-03-22

Abstract Objectives To estimate prevalence rates and identify baseline predictors of adverse events (AEs) over the first year treatment in patients with RA starting MTX. Methods Data came from UK Rheumatoid Arthritis Medication Study (RAMS), a prospective cohort This analysis included aged ≥18 years physician diagnosed symptom duration ≤2 years, who were commencing MTX for time. AEs recorded by interviewing at 6- 12-month follow-up visits. The period are reported 0–6 months, 6–12 months 0–12...

10.1093/rheumatology/keab917 article EN cc-by-nc Lara D. Veeken 2022-01-24

Albinism is an autosomal recessive disorder characterized by the absence of melanin in skin, albinism has a prevalence 1 1000 sub-Saharan Africa, with lack increased risk skin malignancy. Trichlemmal carcinoma rare malignant adnexal tumor mostly sun-exposed areas. We are presenting case 35-year-old albino patient previous history squamous cell full recovery. Presented bilateral axillary masses no other finding or examination. Short period deference between two tumors rapidly growing course....

10.1016/j.ijscr.2025.110926 article EN International Journal of Surgery Case Reports 2025-01-23

Introduction A subset of COVID-19 disease patients suffers a severe form the illness; however, underlying early pathophysiological mechanisms associated with remain to be fully understood. Several studies showed association severity changes in expression profile various matrix metalloproteinases (MMPs) and defensins (DA). However, link between MMPs DA nasopharyngeal milieu during phases infection remains poorly Therefore, we performed differential gene analysis swab samples collected from...

10.1371/journal.pone.0304311 article EN cc-by PLoS ONE 2025-02-18

SARS-CoV-2 infection can present with various clinical features, among which gastrointestinal manifestations such as nausea, diarrhea, vomiting, and mild abdominal pain have been reported. Recognition of rare presentations has increased over time. These atypical may lead to difficulties in establishing the diagnosis a timely manner; furthermore, they unnecessary investigations, extended hospital stays, adverse outcomes, more strain on healthcare resources. We three cases admitted our picture...

10.4269/ajtmh.20-0559 article EN other-oa American Journal of Tropical Medicine and Hygiene 2020-06-10

As the cases of COVID-19 are flooding around world, atypical presentations being recognized, making diagnosis challenging. Gastrointestinal symptoms and mild abdominal pain common. However, severe associated with warranting surgical evaluation has been rarely described; recognizing such differentiating them from a abdomen is critical to effectively safely manage patients. Here we present case middle-aged gentleman who developed features resembling secondary peritonitis. Eventually, he was...

10.1016/j.idcr.2020.e00895 article EN cc-by IDCases 2020-01-01

Expression and certain SNPs of interferon lambda 3 4 (IFNL3 4) have been associated with variable outcomes in COVID-19 patients different regions, suggesting population-specific differences the disease outcome. This study examined association INFL3 INFL4 (rs12979860 rs368234815, respectively) nasopharyngeal expression severity Pakistani patients.For this study, 117 retrospectively collected swab samples were used from individuals mild severe disease. qPCR assays to determine viral loads mRNA...

10.2147/idr.s422095 article EN cc-by-nc Infection and Drug Resistance 2023-10-01

Hereditary blood diseases are widespread among the Arab population due to high rates of consanguineous marriages; research regarding perception marriage in some countries, such as Qatar, is extremely scarce. Therefore, this study aimed investigate prevalence and assess Qatari population.A cross-sectional used a self-administered questionnaire 395 adults aged 18-35 who attended primary healthcare institutions Qatar. A convenience sampling technique was select participants. An independent...

10.3389/fpubh.2023.1228010 article EN cc-by Frontiers in Public Health 2023-08-04

Abstract Introduction A subset of COVID-19 disease patients suffers a severe form the illness, however, underlying early pathophysiological mechanisms associated with remain to be fully understood. Several studies showed association severity changes in expression profile various matrix metalloproteinases (MMPs) and defensins. However, link between metalloproteinase defensins (DA) nasopharyngeal milieu, during phases infection, remains poorly Therefore, we performed differential gene analysis...

10.1101/2024.05.12.593784 preprint EN cc-by bioRxiv (Cold Spring Harbor Laboratory) 2024-05-13

Abstract Patients with type 1 diabetes (T1D) who are obese at risk of cardiovascular disease, renal diseases, and other complications. Unfortunately, there is currently no cure for T1D, necessitating individuals this condition to rely on lifelong insulin therapy. Tirzepatide, a dual-acting glucose-dependent insulinotropic polypeptide/glucagon-like peptide-1 agonist, has recently been approved treating 2 diabetes. We report the case 38-year-old male presented stage chronic kidney obesity,...

10.4103/jod.jod_97_24 article EN cc-by-nc-sa Journal of Diabetology 2024-10-01

Background Thorough and standardized documentation of operative notes is essential for effective communication, patient safety, legal protection, the continuity care. However, in many hospitals Sudan, surgeons often use non-standardized methods, resulting inconsistent incomplete records. This study evaluates quality at Port Sudan Teaching Hospital using Royal College Surgeons England (RCSEng) guidelines, aiming to improve compliance practices. Methods A clinical audit was conducted two...

10.7759/cureus.75815 article EN Cureus 2024-12-16

Background and aims Coronavirus disease 2019 (COVID-19) is caused by a virus known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Since the first pandemic wave, SARS-CoV-2 had developed significant changes mutations that resulted in emergence of different strains. Each strain varies its virulence severity. Most reports have shown Omicron variant causes mild illness. Little about impact patients with chronic myeloid leukemia. We present leukemia who infection their outcomes....

10.7759/cureus.23863 article EN Cureus 2022-04-05

Sickle cell disease (SCD) is one of the most common hematological diseases, which results in variable complications. The treatment SCD evolving but limited options are available for now. Acute chest syndrome (ACS) serious complications observed and a challenging prevention. Crizanlizumab monoclonal antibody that binds to P-selectin improves blood flow by preventing sickle adhesion endothelium, resulting improvement vaso-oclusive crises (VOC). It not well evaluated terms ACS Here we report...

10.1080/16078454.2023.2229115 article EN cc-by-nc Hematology 2023-07-31

Jejunoileal diverticulosis (JID) is a rare and nonspecific symptomatic disease. It usually an acquired condition associated with false diverticula integrated colonic which can be diagnosed incidentally or later complications. A sixty-nine-year-old male presented sudden onset generalized abdominal pain. Computed tomography (CT) imaging was suggestive of ileal diverticulitis localized perforation. The patient treated conservatively IV fluids antibiotics kept nil per orem for three days...

10.1155/2020/8891521 article EN cc-by Case Reports in Surgery 2020-10-21

Acute pancreatitis can result secondary to an inflammatory cascade due insult the pancreatic parenchyma, whether it be from infections, medications, etc. We present a case of 37-year-old male with acute after being started on Paxlovid, combination drug containing Nirmatrelvir and Ritonavir, for COVID-19 treatment. Multiple reports in literature have documented such association between protease inhibitor Ritonavir. suspect that similar results may taken place link initiation this medication...

10.7759/cureus.36528 article EN Cureus 2023-03-22

The endoscopic Functional Lumen Imaging Probe (FLIP) devices are used to evaluate pressure changes, diameter, and volume of the esophagus. We FDA’s MAUDE database collect post-marketing surveillance data on these from January 2009 September 2022. Forty-Five device-related events thirty-six patient-related adverse were analyzed. most common device issue for diagnostic FLIP was therapeutic/diagnostic failure (n = 6), while frequent with therapeutic without an identified or use problem 11)....

10.1177/26345161231191696 article EN Foregut The Journal of the American Foregut Society 2023-08-02
Coming Soon ...