21,206 results match your criteria: "Chulalongkorn University; and the King Chulalongkorn Memorial Hospital[Affiliation]"

Evidence of the effects of postnatal exposure to organophosphates (OPs) on children's neurodevelopment remains limited but crucial. This cross-sectional study evaluated exposure to OPs and neurobehavioral performance in 172 preschool children. Urinary dialkyl phosphate (DAP) metabolites, biomarkers for exposure to OPs, were measured.

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Spotty liver disease (SLD) affects free-range laying hens, leading to mortality and reduced egg production. species, including , have been associated with SLD cases worldwide. However, the cause of SLD-like lesions found in broilers in Japan still remains unclear.

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Three-dimensional (3D) tissue culture models provide in vivo-like conditions for studying cell physiology. This study aimed to examine the efficiency of pyramidal microwell geometries in microfluidic devices on spheroid formation, cell growth, viability, and differentiation in mouse embryonic stem cells (mESCs). The static culture using the hanging drop (HD) method served as a control.

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Breast cancer is the most prevalent malignancy among women. Certain air pollutants have carcinogenic and estrogenic properties that can contribute to breast cancer development. This systematic review aimed to investigate the association between air pollution and breast cancer based on epidemiological evidence.

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(EL) is a wild fruit known for containing several health-promoting compounds. This study aimed to evaluate the effects of EL fruit extract on high-fat diet (HFD)-induced obesity and lipopolysaccharide (LPS)-activated macrophages. Mice fed an HFD and given EL fruit extract for 10 weeks exhibited significantly lower body weight, reduced lipid accumulation, diminished oxidative stress in adipocytes, and decreased macrophage infiltration compared to those not receiving the EL extract.

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Our research examines the learning curves of various minimally invasive lumbar surgeries to determine the benefits and challenges they pose to both surgeons and patients. The advent of microsurgical techniques since the 1960s, including advances in fluoroscopic navigation and intraoperative computed tomography, has significantly shifted spinal surgery from open to minimally invasive methods. This study critically evaluates surgical duration, intraoperative conversions to open surgery, and complications as primary parameters to gauge these learning curves.

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Identification of DNA methylation signatures in follicular-patterned thyroid tumors.

Pathol Res Pract

December 2024

Department of Pathology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; Precision Pathology of Neoplasia Research Group, Department of Pathology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand. Electronic address:

Background And Aims: Follicular-patterned thyroid tumors (FPTTs) are frequently encountered in thyroid pathology, encompassing follicular adenoma (FA), follicular thyroid carcinoma (FTC), noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP), and follicular variant of papillary thyroid carcinoma (fvPTC). Recently, a distinct entity termed differentiated high-grade thyroid carcinoma has been described by the 5th edition of the WHO classification of the thyroid tumors, categorized as either high-grade fvPTC, high-grade FTC or high-grade oncocytic carcinoma of the thyroid (OCA). Accurate differentiation among these lesions, particular between the benign (FA), borderline (NIFTP) and malignant neoplasms (FTC and fvPTC), remains a challenge in both histopathological and cytological diagnoses.

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Apparent diffusion coefficient and magnetic resonance imaging characteristics in predicting response to radiosurgery in patients with vestibular schwannomas.

Neuroradiol J

January 2025

Division of Diagnostic Radiology, Department of Radiology, Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand.

Objective: Predicting treatment response in patients with vestibular schwannomas (VSs) remains challenging. This study aimed to evaluate the use of pre-treatment normalized apparent diffusion coefficient (nADC) values and magnetic resonance (MR) imaging characteristics in predicting treatment outcomes in patients with VSs undergoing radiosurgery.

Methods: The MR images of 44 patients with VSs who underwent radiosurgery at our institution were retrospectively reviewed, and the patients were categorized into tumor control ( = 28) and progression ( = 16) groups based on treatment response after treatment initiation, with a median follow-up duration of 29.

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Background: The Simple Shoulder Test (SST) is a widely used patient-reported outcome measure for shoulder function. However, there is currently no version of the SST for the Thai population.

Purpose: To cross-culturally adapt and evaluate the reliability and validity of a Thai version of the SST (Thai SST) for patients with shoulder pathologies, using the Thai version of the American Shoulder and Elbow Surgeons (ASES) score as a comparison tool.

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Pneumoperitoneum, or free air in the peritoneal cavity, typically indicates visceral organ perforation requiring urgent surgical intervention. In peritoneal dialysis (PD) patients, however, it can occur without prior surgery or trauma, often due to technical errors, and may mimic peritonitis, risking misdiagnosis and unnecessary treatment. We report a case of a 73-year-old male PD patient presenting with fever, abdominal pain, and bowel ileus, initially raising concerns for organ perforation due to pneumoperitoneum.

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Article Synopsis
  • Guidelines suggest that patients with high-risk gastric intestinal metaplasia should have endoscopic surveillance for gastric cancer every three years.
  • This study explored the effectiveness of radiofrequency ablation (RFA) in completely eliminating high-risk gastric intestinal metaplasia.
  • Results showed that RFA led to a significantly higher complete resolution rate of GIM lesions compared to a group receiving only observation, particularly in those with incomplete GIM.
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An integrative taxonomic approach reveals two putatively novel species of phlebotomine sand fly (Diptera: Psychodidae) in Thailand.

Parasit Vectors

January 2025

Center of Excellence in Veterinary Parasitology, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.

Background: The subfamily Phlebotominae comprises 1028 species of sand fly, of which only 90 are recognized as vectors of pathogenic agents such as Trypanosoma, Leishmania, and Bartonella. In Thailand, leishmaniasis-a sand fly-borne disease-is currently endemic, with 36 documented sand fly species. However, many cryptic species likely remain unidentified.

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Background: Prone positioning during endoscopic retrograde cholangiopancreatography (ERCP) can lead to post-procedure neck pain due to increased cervical spine stress and prolonged muscle stretching. This study aimed to evaluate the efficacy and satisfaction of an ergonomic wedge pillow for patients undergoing prone ERCP.

Methods: Patients indicated for ERCP were randomized 1:1 to a study group (with the pillow) or a control group.

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Purpose: The partner and localizer of breast cancer 2 (PALB2) mutation is a predisposition to breast cancer development. However, limited clinical data are available for the Korean population. Therefore, this study aimed to compare the characteristics and oncological outcomes of patients with PALB2-mutated and non-mutated PALB2 in Korea.

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Chronic hepatitis B (HBV) and C (HCV) are major health challenges in Thailand, with Phetchabun province, a known HCV-endemic area, being a key target for elimination efforts. This study aimed to assess HBV prevalence and identify associated risk factors in this province. Data was collected from three cross-sectional population studies: (1) adults in 2015 (n = 1,667, age 30-64 years), (2) young adults in 2017 (n = 1,453, age 18-30 years), both from high HCV-endemic districts, and (3) a province-wide study in 2018 (n = 4,769, age 35-64 years).

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Article Synopsis
  • Sexual assault investigations require skilled forensic methods to collect biological evidence, focusing on male-specific materials.
  • A new LAMP technique was developed to effectively detect male DNA and was validated according to established guidelines.
  • When tested against traditional methods, the LAMP assay showed impressive efficiency, suggesting it could be a valuable tool in forensic casework for male DNA detection, pending further research.
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Glycerol, a by-product of biodiesel production through transesterification, presents an opportunity for biodiesel industries to transform surplus glycerol into high-value chemical products. This study focuses on the development of a series of propyl sulfonic acid functionalized (PrSOH) SBA-15 catalysts, synthesized by direct synthesis of 3-mercaptopropyltrimethoxysilane (MPTMS) and tetraethoxysilane (TEOS) in an acidic medium. The catalysts were evaluated for acetylation of glycerol with acetic acid under conditions optimized through response surface methodology.

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Objective: This study aimed to establish a robust predictive model for biochemical recurrence (BCR) in patients with prostate cancer who underwent robot-Assisted Radical Prostatectomy.

Material And Methods: A cohort of 1700 patients who underwent robot-assisted radical prostatectomy (RARP) for prostate cancer between August 2009 and December 2022 was included. BCR was defined as two consecutive PSA levels exceeding 0.

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The Use of Social Media on Enhancing Dental Care and Practice Among Dental Professionals: Cross-Sectional Survey Study.

JMIR Form Res

January 2025

Faculty of Dentistry, Department of Community Dentistry, Chulalongkorn University, 34 Henri Dunant Road, Pathumwan, Bangkok, 10330, Thailand, 66 02-2188543.

Background: As digitalization continues to advance globally, the health care sector, including dental practice, increasingly recognizes social media as a vital tool for health care promotion, patient recruitment, marketing, and communication strategies.

Objective: This study aimed to investigate the use of social media and assess its impact on enhancing dental care and practice among dental professionals in the Philippines.

Methods: A cross-sectional survey was conducted among dental practitioners in the Philippines.

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Objective: Primary liver cancer (PLC) is projected to be the third leading cause of cancer mortality in the United States in 2040. We examine the burden of PLC in the United States, stratified by sex, state and aetiological risk factors.

Methods: Data on PLC prevalence, incidence, death and disability-adjusted life years (DALYs) were extracted from the Global Burden of Disease Study 2021.

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Clinical guidelines typically endorse conventional therapies such as 5-aminosalicylic acid (5-ASA) as the mainstay of ulcerative colitis management. However, the degree of adoption and application of guideline recommendations by physicians within Asia remains unclear. This study aims to understand the prescribing patterns of 5-ASA and implementation of current guideline recommendations across Asian clinical practice.

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Forty-two Amaryllidaceae alkaloids, including eleven previously undescribed alkaloids, crinasiaticines C-M, and three undescribed naturally occurring alkaloids, (+)-dihydroepivittatine, (+)-dihydrovittatine and (+)-dihydrohamayne, were isolated from the leaves of Crinum asiaticum L. var. asiaticum.

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Chronic cough management: Practical guidelines and PICO-based evidence for treatment.

Asian Pac J Allergy Immunol

December 2024

Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, T hailand.

This part reviews the management of chronic cough and proposes a management algorithm. Despite proven improvements in quality of life following chronic cough treatment, a clear understanding of the disease and the evidence for the efficacy of some treatments remain vague. Eight key questions regarding the treatment in the uncertain areas were systematically addressed based on the PICO framework and applying the GRADE system for evidence synthesis to provide the strength of recommendation and quality of evidence for key questions, with narrative components for the description of other chronic cough treatment including non-pharmacological therapy.

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Chronic cough management: Practical guidelines and PICO-based evidence for screening and investigation.

Asian Pac J Allergy Immunol

December 2024

Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, T hailand.

Chronic cough is a common clinical condition requiring comprehensive assessment. This review employs a symptom-focused approach, prioritizing the presenting symptom of "chronic cough" to mirror real-world clinical practice. Ten key questions regarding the investigations in the uncertain areas were systematically addressed based on the PICO framework and applying the GRADE system for evidence synthesis to provide the strength of recommendation and quality of evidence for key questions.

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α-Glucosidase inhibitory assay-guided isolation of the aqueous extract from leaves afforded three new compounds named cannabisaldehyde (), cannacone A (), and canniprene C (), along with eight previously known compounds (-, ). The structures of new compounds were determined through extensive analysis of various spectroscopic data. Of isolated compounds, cannacone A () demonstrated most potent inhibition against maltase and sucrase with IC values of 80.

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