Publications by authors named "Kazim A"

Ticks are obligate hematophagous arachnids that feed on both humans and animals. Despite the extensive research on detection of bacteria in ixodid ticks in Malaysia, there remains limited knowledge about the detection of protozoa in these ectoparasites, especially in those that feed on farm ruminants. In this study, 1,241 ticks belonging to four species (Rhipicephalus microplus, R.

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Objective: Globally, over 50% of the population is affected by , yet research on its prevalence and impact in patients with obesity undergoing laparoscopic sleeve gastrectomy (LSG) is inconclusive. This study aimed to assess the prevalence of infection in individuals with obesity undergoing LSG, evaluate the percentage of postoperative staple-line leaks, and explore the potential link between infection and staple-line leaks.

Methods: This retrospective analysis assessed adult patients with class III obesity who underwent LSG between 2015 and 2020 at a tertiary care hospital in Riyadh, Saudi Arabia.

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Nymphal and larval Amblyomma cordiferum ticks, a relatively rare species, were collected from the Malaysian house rat (Rattus rattus diardii) in Peninsular Malaysia. Redescription and molecular analysis of nymphs and larvae, based on the 12S rRNA, 16S rRNA, and COI genes, revealed divergence from A. cordiferum in Taiwan, suggesting that the Taiwanese tick specimens may represent a different taxon.

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To shed light on the importance of tick-borne diseases, especially in farm animals that often contact with farm workers, this study aimed to identify ticks and tick-borne pathogens in ruminants in Malaysia. Accordingly, specimen collection was conducted across Peninsular Malaysia yielded a total of 1241 ticks collected from 674 farm ruminants. Among these, four tick species were identified, with Rhipicephalus microplus being the most prevalent, constituting 99.

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An undescribed relapsing fever group Borrelia species was detected in a male Haemaphysalis semermis tick infesting a rural cat in an indigenous population in Pahang National Park, Peninsular Malaysia. The 16 S rRNA gene sequence revealed close similarity of this variant to several undescribed Borrelia species and Borrelia theileri, with genetic distances ranging from 0.58 to 0.

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Article Synopsis
  • Gastrointestinal tumors (GIST) are soft tissue tumors often found in the stomach, classified based on their location, size, and growth rate.
  • A 40-year-old woman was diagnosed with GIST after abdominal pain and underwent treatment with imatinib, but experienced severe complications leading to emergency surgery due to massive internal bleeding.
  • The case highlights that while chemotherapy can help, surgical intervention may be necessary, especially for larger GISTs, due to the high risk of complications.
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A Trypanosoma screening was conducted on 130 pools comprising 1,241 ticks, collected from 674 selected farm ruminants in Peninsular Malaysia. Of these, nine pools were tested positive for Trypanosoma. Subsequent BLAST searches revealed that the 18S rRNA gene sequences were closely related to Trypanosoma rhipicephalis isolate Chaco CB, with percentage similarities ranging from 95.

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Background Coronary artery disease (CAD) significantly contributes to morbidity and mortality globally, particularly in individuals with diabetes mellitus, who are at a heightened risk for cardiovascular complications. The complexity of coronary lesions and diffuse atherosclerosis in diabetic patients presents challenges in their treatment and prognosis. Coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) are primary revascularization strategies for managing multi-vessel CAD in diabetic patients.

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Article Synopsis
  • - Ticks are serious public health threats in Southeast Asia, transmitting various pathogens to humans and animals, making their management a complex issue due to the region's diverse ecology and tick species.
  • - The article summarizes findings from a recent symposium in Phnom Penh, covering tick research from six SEA countries, advancements in research methods for tick-borne diseases, and outcomes from discussions on key challenges in the field.
  • - Highlighted advancements include new diagnostic tools and sustainable tick management strategies, emphasizing the need for better surveillance and cooperation across regions to effectively counter tick-borne diseases.
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We report two new records of chewing lice from avian pets in Peninsular Malaysia: Colpocephalum apivorus Tendeiro, 1958 from an Oriental honey buzzard (Pernis ptilorhynchus (Temminck, 1821)), and Myrsidea splendenticola Klockenhoff, 1973 from an albino house crow (Corvus splendens Vieillot, 1817). The scarcity of louse records from avian pets and wild birds, and the lack of louse research in Malaysia are discussed.

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This paper describes a new tick-host record of Haemaphysalis wellingtoni from the helmeted guineafowl (Numida meleagris) in Peninsular Malaysia. This record is also the first report of a tick infestation from N. meleagris in Asia.

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This study aimed to evaluate the clinical outcomes and the frequency of return to sport after the arthroscopic repair of a humeral avulsion of the inferior glenohumeral ligament (HAGL) lesion. Web of Science, Scopus, and Medline via PubMed and OVID were searched to identify the relevant citations. Screening and data extraction were performed independently.

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Article Synopsis
  • A review of past studies on ticks in Malaysia identified 47 species across seven genera, with Haemaphysalis being the most common genus.
  • Of the 47 identified tick species, 28 have been documented to bite humans, predominantly from the Haemaphysalis genus.
  • The paper provides the first updated list of Dermacentor and Ixodes tick species in Malaysia since 1957, while noting that 18 species were excluded due to unreliable records.
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Literature records of chewing lice (Phthiraptera) from mammals in Malaysia were checked and reviewed, resulting in a list of 13 confirmed species belonging to eight genera (Bovicola, Felicola, Gliricola, Gyropus, Haematomyzus, Heterodoxus, Lorisicola, Trichodectes) from four families (Boopiidae, Gyropidae, Haematomyzidae, Trichodectidae) in three suborders (Amblycera, Ischnocera, Rhynchophthirina). We present a checklist of those 13 chewing lice recorded from Peninsular Malaysia and Malaysian Borneo, including hosts, localities, and literature references. An additional 12 species are listed and discussed as possibly occurring in this country.

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Literature records of sucking lice (Phthiraptera: Anoplura) from Malaysia were checked and reviewed, resulting in a list of 34 established species belonging to 11 genera (Ancistroplax, Atopophthirus, Enderleinellus, Haematopinus, Hamophthirius, Hoplopleura, Linognathus, Neohaematopinus, Pedicinus, Polyplax and Sathrax). Furthermore, three local and six cosmopolitan louse species are regarded as dubious in Malaysia, due to misidentifications or lack of locality records. Also, pathogens known to be associated with the sucking lice are listed.

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We report the presence of a male Haemaphysalis semermis collected from the domestic cat, Felis catus in an aboriginal village located in Pahang, Malaysia. This paper constitutes a new host record of this tick species, and also the first documentation of the infestation of companion animals other than domestic dogs (Canis lupus) by H. semermis in Malaysia.

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Objectives: To explore the relationship between the blood group of patients and their response to bariatric surgery and to identify predictors of better outcomes.

Methods: This was a retrospective cross-sectional analysis of patients who underwent laparoscopic sleeve gastrectomy for morbid obesity between 2014 and 2020 at King Saud University Medical City in Riyadh, Saudi Arabia.

Results: This study included 1434 individuals.

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Paper has attracted significant attention recently as a microfluidic component and platform, especially in passive pumping devices due to its porous and uniform absorbing nature. Many investigations on 1D and 2D fluid flows were carried out. However, no experimental work has been reported on the three-dimensional effect in porous geometry to improve pumping characteristics in microchannels.

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Crop growth and development are frequently affected by biotic and abiotic stresses. The adaptation of crops to stress is mostly achieved by regulating specific genes. The root system is the primary organ for nutrient and water uptake, and has an important role in drought stress response.

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Article Synopsis
  • The study focuses on improving potato yields in dry areas by exploring deep-rooting and drought-tolerant varieties.
  • Researchers compared two potato genotypes with differing drought tolerance (C119 and C16) under varying drought conditions, identifying thousands of differentially expressed genes (DEGs).
  • The analysis revealed that C119 showed a quicker response to drought stress than C16, with specific genes and pathways, especially related to plant hormones, playing crucial roles in their respective resistances to drought.
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Objective: To identify the predictors and social problems of obese patients in Saudi Arabia.

Methods: A cross-sectional study was conducted for the period between July 2016 and January 2017. The study population consisted of obese patients visiting the surgery clinics following the medical examinations required before obesity surgery.

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Rhipicephalus haemaphysaloides is endemic in South and Southeast Asia, and it is known to parasitise domestic animals such as cattle, horses, sheep, and dogs. Despite infestation on multiple hosts, little attention has been paid to its morphological and molecular variation. The present study describes local morphological abnormalities for the first time in R.

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The taxonomy of ticks of the subgenus Boophilus has been extensively debated and is often complicated by the high intraspecific variation of morphological features between species. Notably, the cattle tick Rhipicephalus microplus is a species complex consisting of Rhipicephalus annulatus, Rhipicephalus australis and the three mitochondrial clades (A-C) of R. microplus.

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α-Glucan is a major cell wall component and a virulence and adhesion factor for fungal cells. However, the biosynthetic pathway of α-glucan was still unclear. α-Glucan was shown to be composed mainly of 1,3-glycosidically linked glucose, with trace amounts of 1,4-glycosidically linked glucose.

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