Displaying publications 81 - 91 of 91 in total

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  1. Chong TH, Asyraf MZ, Hayati F, Azizan N, Sahid NA, Ting JRS, et al.
    Case Rep Surg, 2018;2018:4606259.
    PMID: 30319829 DOI: 10.1155/2018/4606259
    Preputial calculus is a relative surgical rarity. It usually happens in elderly men with poor hygiene and uncircumcised penis complicated with phimosis. In the paediatric group, it is usually secondary to phimosis and other urologic and/or neurologic anomalies. Surgical treatment is the mainstay of treatment. Herein, we report a 27-year-old gentleman with preputial stone presented with obstructive uropathy and was successfully treated with surgical intervention. To the best of our knowledge, this is the first reported case of the largest preputial stone in Malaysia.
    Matched MeSH terms: Calculi
  2. Taguchi K, Cho SY, Ng AC, Usawachintachit M, Tan YK, Deng YL, et al.
    Int J Urol, 2019 07;26(7):688-709.
    PMID: 31016804 DOI: 10.1111/iju.13957
    The Urological Association of Asia, consisting of 25 member associations and one affiliated member since its foundation in 1990, has planned to develop Asian guidelines for all urological fields. The field of stone diseases is the third of its guideline projects. Because of the different climates, and social, economic and ethnic environments, the clinical practice for urinary stone diseases widely varies among the Asian countries. The committee members of the Urological Association of Asia on the clinical guidelines for urinary stone disease carried out a surveillance study to better understand the diversity of the treatment strategy among different regions and subsequent systematic literature review through PubMed and MEDLINE database between 1966 and 2017. Levels of evidence and grades of recommendation for each management were decided according to the relevant strategy. Each clinical question and answer were thoroughly reviewed and discussed by all committee members and their colleagues, with suggestions from expert representatives of the American Urological Association and European Association of Urology. However, we focused on the pragmatic care of patients and our own evidence throughout Asia, which included recent surgical trends, such as miniaturized percutaneous nephrolithotomy and endoscopic combined intrarenal surgery. This guideline covers all fields of stone diseases, from etiology to recurrence prevention. Here, we present a short summary of the first version of the guideline - consisting 43 clinical questions - and overview its key practical issues.
    Matched MeSH terms: Urinary Calculi/diagnosis*; Urinary Calculi/drug therapy; Urinary Calculi/prevention & control; Urinary Calculi/surgery*
  3. Shahar S, Lim KP, Mohamad M
    J ASEAN Fed Endocr Soc, 2019;34(2):229-232.
    PMID: 33442162 DOI: 10.15605/jafes.034.02.17
    Eight cases of parathyroid carcinoma were identified (8 females; median age 45 years, range 28-72). Half of whom were diagnosed preoperatively. Hypercalcemic symptoms were seen in 87.5% of the patients and the main complication was nephrolithiasis. At presentation, the median calcium was 3.675 mmol/L, median phosphate of 0.68 mmol/L, median intact parathyroid hormone (iPTH) was 211 pmol/L. Five patients had regional nodes metastasis and 1 had distant metastasis to the lungs. Parathyroid gland invasion to adjacent structures was seen in 62.5% of cases while another 62.5% showed capsular or vascular infiltration on histology with median tumour size of 3.2 cm. Recurrent hypercalcemia occurred in 50% of the patients with median time of recurrence of 21 months. In this case series, we found that patients with severe hypercalcemia and high iPTH also exhibited a high index suspicion of PC.
    Matched MeSH terms: Kidney Calculi
  4. Hasan AM, Jalab HA, Ibrahim RW, Meziane F, Al-Shamasneh AR, Obaiys SJ
    Entropy (Basel), 2020 Sep 15;22(9).
    PMID: 33286802 DOI: 10.3390/e22091033
    Brain tumor detection at early stages can increase the chances of the patient's recovery after treatment. In the last decade, we have noticed a substantial development in the medical imaging technologies, and they are now becoming an integral part in the diagnosis and treatment processes. In this study, we generalize the concept of entropy difference defined in terms of Marsaglia formula (usually used to describe two different figures, statues, etc.) by using the quantum calculus. Then we employ the result to extend the local binary patterns (LBP) to get the quantum entropy LBP (QELBP). The proposed study consists of two approaches of features extractions of MRI brain scans, namely, the QELBP and the deep learning DL features. The classification of MRI brain scan is improved by exploiting the excellent performance of the QELBP-DL feature extraction of the brain in MRI brain scans. The combining all of the extracted features increase the classification accuracy of long short-term memory network when using it as the brain tumor classifier. The maximum accuracy achieved for classifying a dataset comprising 154 MRI brain scan is 98.80%. The experimental results demonstrate that combining the extracted features improves the performance of MRI brain tumor classification.
    Matched MeSH terms: Calculi
  5. Zamli AH, Mustafah NM, Sa'at N, Shaharom S
    Med J Malaysia, 2020 11;75(6):642-648.
    PMID: 33219171
    INTRODUCTION: Neurogenic bladder (NB) is a recognized secondary medical impairment following spinal cord injury (SCI). Ultrasound (US) of the kidneys, ureters and bladder (KUB) has been recommended as a useful, non-invasive surveillance method with good diagnostic sensitivity. This study aims to understand US diagnosed NB complications and identify its associated factors.

    METHODS: We enrolled all patients referred for SCI rehabilitation from 2012 to 2015 that fulfilled our study criteria. Data that were retrospectively reviewed included demographic and clinical characteristic data; and US KUB surveillance studies.

    RESULTS: Out of 136 electronic medical records reviewed, 110 fulfilled the study criteria. The prevalence of NB in our study population was 80.9%. We found 22(20%) of the patients showed evidence of US diagnosed NB complications with the mean detection of 9.61±7.91 months following initial SCI. The reported NB complications were specific morphological changes in the bladder wall 8(36.4%); followed by unilateral/bilateral hydronephrosis 7(31.8%); bladder and/or renal calculi 5(22.7%); and mixed complication 2(9.1%) respectively. Half of the patients with NB complications had urodynamic diagnosis of neurogenic detrusor overactivity with/without evidence of detrusor sphincter dyssynergia. We found co-existing neurogenic bowel, presence of spasticity and mode of bladder management were significantly associated factors with US diagnosed NB complications (p<0.05), while spasticity was its predictor with adjusted Odds Ratio value of 3.93 (1.14, 13.56).

    CONCLUSION: NB is a common secondary medical impairment in our SCI population. A proportion of them had US diagnosed NB complications. Co-existing neurogenic bowel, presence of spasticity and mode of bladder management were its associated factors; while spasticity was its predictor.

    Matched MeSH terms: Kidney Calculi
  6. Thong HK, Mohamad Mahbob H, Sabir Husin Athar PP, Tengku Kamalden TMI
    Cureus, 2020 Dec 19;12(12):e12163.
    PMID: 33489575 DOI: 10.7759/cureus.12163
    Sialolithiasis is a commonly encountered disease of the salivary glands, reported to represent up to 30% of all salivary gland diseases. However, the condition is rarely encountered in the pediatric population. The formation of a salivary stone is believed to be secondary to the deposition of calcium salts around a nidus. The formation of a nidus is commonly associated with desquamated epithelial or sloughing from a recent bacterial infection. Patients with submandibular sialolithiasis usually present with acute swelling over the neck associated with pain, fever, and purulent intraoral discharge. Neglected and poorly treated acute infection may progress to life-threatening abscess formation. Here we are describing our encounter with a 10-year-old boy with recurrent submandibular sialolithiasis. He was initially treated with conservative measures and antibiotics regimen. Failure of medical treatment and recurring symptoms led to submandibular gland excision followed by a full recovery.
    Matched MeSH terms: Salivary Gland Calculi
  7. Nurhafizah Ahmad, Siti Asmah Mohamed, Ahmad Zia Ul-Saufie, Hasfazilah Ahmat, Fadzilawani Astifar Alias
    ESTEEM Academic Journal, 2020;16(1):38-46.
    MyJurnal
    In today’s digital era, it is possible to use the latest technology to improve student attendance and performance. The purpose of the present study is to determine the relationship between absenteeism and academic performance among Calculus students, as well as to measure the impact of class absence on the student’s final exam scores. Based on this, the use of appropriate
    strategy was employed, which is the mobile attendance application to reduce absenteeism among students in higher educational institution. The selection of sample was based on cluster sampling, involving the selection of 87 repeater students. The data collected were analyzed using quartile
    regression and independent sample t-test. The result of the findings revealed that the class absence has an impact on the student’s final exam scores. This is because, if the student was absences by 1 class, the final exam score is expected to decrease on average by 1.89%. Hence, findings show that the percentage of absences for the students with manual attendance was higher
    than the percentage of absences for the students with mobile attendance application. The application can help to reduce absenteeism by reminding students about recent attendance records.
    Matched MeSH terms: Calculi
  8. Ruzawani Ruslan, Munirah Mohd Adnan, Normastura Abd Rahman
    MyJurnal
    Introduction: Smoking is a common risk factor for periodontal disease and other chronic diseases. This study was conducted to determine the prevalence of smoking among army personnel and its association with periodontal health status. Methods: A cross-sectional study was carried out among randomly selected 233 army personnel in 8th Brigade Infantry, Kelantan. A face validated self-administered Bahasa Malaysia questionnaire was used for data col- lection. Periodontal examination was done using Community Periodontal Index (CPI) and coded as ‘0’ for healthy; ‘1’ for bleeding observation; ‘2’ for detection of calculus; ‘3’ for probing of 4-5mm pocketing and ‘4’ for probing of 6mm or more pocketing. Results: All respondents (n=233) were male, the majority (92.7%) Malays, not married (60.5%) with the mean (SD) age of 25.8 (5.06) years. The prevalence of smoking among army personnel was 76.0% (95% CI: 70.4, 81.5). Almost all (97.4%) have some degree of periodontal disease. The non-smoker, ex-smoker and smoker groups were highest for having calculus with a percentage of 40.5%, 57.1%, and 57.1%, respectively. No significant association was found between smoking status (ever-smoker and non-smoker) and periodontal pocketing (CPI 0-2 and CPI 3-4) (p=0.960). However, the ever-smokers (93.2%) significantly higher percentage for the need of invasive treatment (CPI >2) compared to the non-smokers (76.2%) (p=0.002). Conclusion: The prevalence of smok- ing among army personnel in North-East Malaysia was high, with most of them have some degree of periodontal disease. Smoking cessation intervention should be strategized in the military community to reduce the burden of care for chronic diseases.
    Matched MeSH terms: Calculi
  9. Law YXT, Shen L, Khor VWS, Chen W, Chen WJK, Durai P, et al.
    Int J Urol, 2022 Dec;29(12):1488-1496.
    PMID: 36070249 DOI: 10.1111/iju.15023
    OBJECTIVES: To identify predictive factors for the development of sepsis/septic shock postdecompression of calculi-related ureteric obstruction using the Sequential Organ Failure Assessment (SOFA) score and to compare clinical outcomes and odd risk ratios of patients developing sepsis/septic shock following the insertion of percutaneous nephrostomy (PCN) versus insertion of retrograde ureteral stenting (RUS).

    METHODS: Clinico-epidemiological data of patients who underwent PCN and/or RUS in two institutions for calculi-related ureteric obstruction were retrospectively collected from January 2014 to December 2020.

    RESULTS: 537 patients (244 patients in PCN group, 293 patients in RUS group) from both institutions were eligible for analysis based on inclusion and exclusion criteria. Patients with PCN were generally older, had poorer Eastern Cooperative Oncology Group status, and larger obstructive ureteral calculi compared to patients with RUS. Patients with PCN had longer durations of fever, the persistence of elevated total white cell and creatinine, and longer hospitalization stays compared with patients who had undergone RUS. RUS up-front has more unsuccessful interventions compared with PCN. There were no significant differences in the change in SOFA score postintervention between the two interventions. In multivariate analysis, the higher temperature just prior to the intervention (adjusted odds ratio [OR]: 2.039, p = 0.003) and Cardiovascular SOFA score of 1 (adjusted OR:4.037, p = 0.012) were significant independent prognostic factors for the development of septic shock postdecompression of ureteral obstruction.

    CONCLUSIONS: Our study reveals that both interventions have similar overall risk of urosepsis, septic shock and mortality rate. Despite a marginally higher risk of failure, RUS should be considered in patients with lower procedural risk. Patients going for PCN should be counseled for a longer stay. Post-HDU/-ICU monitoring, inotrope support postdecompression should be considered for patients with elevated temperature within 1 h preintervention and cardiovascular SOFA score of 1.

    Matched MeSH terms: Ureteral Calculi*
  10. Muhamad S, Sowtali SN, Arifin SRM, Islah MAR, Mohd Shukri NA
    J Hum Nutr Diet, 2023 Oct;36(5):2060-2072.
    PMID: 37515409 DOI: 10.1111/jhn.13215
    BACKGROUND: Dietary habit is one of the most important methods to prevent and treat urinary stones. However, only limited evidence of the experiences of dietary management among urinary stone patients in Malaysia is available. This study aimed to explore participants' current dietary practices after the diagnosis of urinary stones and to identify the factors that facilitate their dietary changes.

    METHODS: A qualitative study with purposive sampling was conducted using face-to-face semistructured interviews. A total of 20 participants from a tertiary general hospital in Kuantan, Malaysia, were recruited in this study. Data were analysed using framework analysis.

    RESULTS: Two themes emerged from the analysis. The first theme explained the changes in the dietary practice of the participants postdiagnosis. The second theme revealed that the participants' dietary changes were greatly influenced by personal factors and external support from professionals, family and peers.

    CONCLUSIONS: Urinary stone patients highlighted the fear of complications, self-determination and knowledge of nutrition as the main drivers of their dietary change postdiagnosis. Emphasising proper nutritional care by assessing and evaluating dietary self-management among patients can facilitate effective self-care in stone prevention management.

    Matched MeSH terms: Urinary Calculi*
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