Risk factors for failure of enema reduction of intussusception in children.

Intussusception is a common surgical emergency in children. Clinical suspicion and radiological evaluation confirm the diagnosis of the disease. Enema reduction is the first line of management.

Magnet ingestion in growing children: a multi-center observational study on single and multiple magnet incidents.

Over the past 15 years, there has been a noticeable uptick in incidents involving children ingesting multiple magnetic foreign bodies which can cause injuries and gastrointestinal complications including death. The current study aimed to identify the prevalence, clinical presentation, and management of single or multiple magnet ingestions. A retrospective multi-central cross-sectional study was conducted to include all pediatric patients < 18 years presented to the emergency department with ingestion of single or multiple magnets and admitted across hospitals in Qatar, UAE, KSA, Tunisia, and Turkey between January 2011 and December 2021.

Effects of anesthesia exposure on postnatal maturation of white matter in rhesus monkeys.

There is increasing concern about the potential effects of anesthesia exposure on the developing brain. The effects of relatively brief anesthesia exposures used repeatedly to acquire serial magnetic resonance imaging scans could be examined prospectively in rhesus macaques. We analyzed magnetic resonance diffusion tensor imaging (DTI) of 32 rhesus macaques (14 females, 18 males) aged 2 weeks to 36 months to assess postnatal white matter (WM) maturation.

Transition Metal Phosphides (TMP) as a Versatile Class of Catalysts for the Hydrodeoxygenation Reaction (HDO) of Oil-Derived Compounds.

Hydrodeoxygenation (HDO) reaction is a route with much to offer in the conversion and upgrading of bio-oils into fuels; the latter can potentially replace fossil fuels. The catalyst's design and the feedstock play a critical role in the process metrics (activity, selectivity). Among the different classes of catalysts for the HDO reaction, the transition metal phosphides (TMP), e.

Sustainable applications utilizing sulfur, a by-product from oil and gas industry: A state-of-the-art review.

This paper presents a review of current routes to utilize sulfur and sulfuric acid. Sulfur is a by-product from sour gas and crude oil processing and the precursor of sulfuric acid. As an oversupply is projected for the near-term future, it is prudent to investigate new sulfur applications and market domains that may facilitate a balancing of supply and demand.

The Practice of Research Ethics in Lebanon and Qatar: Perspectives of Researchers on Informed Consent.

Informed consent requirements for conducting research with human participants are set by institutional review boards (IRBs) following established guidelines. Despite this, researchers continue to face challenges in seeking and obtaining informed consent. This study discusses researchers' views of such problems in Lebanon and Qatar, which vary in research regulation.

Massive splenomegaly in children: laparoscopic versus open splenectomy.

Background And Objectives: Laparoscopic splenectomy for massive splenomegaly is still a controversial procedure as compared with open splenectomy. We aimed to compare the feasibility of laparoscopic splenectomy versus open splenectomy for massive splenomegaly from different surgical aspects in children.

Methods: The data of children aged <12 years with massive splenomegaly who underwent splenectomy for hematologic disorders were retrospectively reviewed in 2 pediatric surgery centers from June 2004 until July 2012.

Health of dentists in United Arab Emirates.

Objectives: The aims of this study were to investigate the prevalence and nature of some health and lifestyle problems among dentists in United Arab Emirates (UAE).

Method: A cross-sectional study with a one-stage complex sampling technique using a self-reported questionnaire distributed to all 844 dentists, working in three cities (Abu Dhabi, Dubai and Sharjah) in UAE.

Results: Seven hundred and thirty-three (87%) dentists, aged 22-70 years, responded.

Association of adiponectin gene polymorphism (+T45G) with acute coronary syndrome and circulating adiponectin levels.

We investigated the association of adiponectin gene polymorphisms (+T45G and +G276T) and adiponectin levels with acute coronary syndrome (ACS) among Arabs in Qatar. A case-control study was performed in 142 Arab patients with ACS and 122 controls. Genotypes were determined using TaqMan real-time polymerase chain reaction assay.

Population genetic structure of the people of Qatar.

People of the Qatar peninsula represent a relatively recent founding by a small number of families from three tribes of the Arabian Peninsula, Persia, and Oman, with indications of African admixture. To assess the roles of both this founding effect and the customary first-cousin marriages among the ancestral Islamic populations in Qatar's population genetic structure, we obtained and genotyped with Affymetrix 500k SNP arrays DNA samples from 168 self-reported Qatari nationals sampled from Doha, Qatar. Principal components analysis was performed along with samples from the Human Genetic Diversity Project data set, revealing three clear clusters of genotypes whose proximity to other human population samples is consistent with Arabian origin, a more eastern or Persian origin, and individuals with African admixture.