Displaying publications 1 - 20 of 101 in total

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  1. Gong Y, Kang J, Wang M, Hayati F, Syed Abdul Rahim SS, Poh Wah Goh L
    Hum Vaccin Immunother, 2024 Dec 31;20(1):2312599.
    PMID: 38356280 DOI: 10.1080/21645515.2024.2312599
    An increasing body of research indicates that immunotherapy has demonstrated substantial effectiveness in the realm of metastatic colorectal cancer(mCRC), especially among patients with deficient mismatch repair (dMMR) or microsatellite instability-high (MSI-H) (dMMR/MSI-H mCRC). This study constitutes the inaugural bibliometric and visual analysis of immunotherapy related to mCRC during the last decade. Between 2013 and the conclusion of 2022, we screened 306 articles from Web of Science and subjected them to analysis using CiteSpace and VOSviewer. The United States stood out as the primary contributor in this area, representing 33.33% of the publications, with China following closely at 24.51%. The most prolific institution has the lowest average citation rate. Sorbonne University were the most highly cited institutions. Notably, Frontiers In Oncology published the largest quantity of articles. Andre, Thierry, and Overman, Michael J. were prominent authors known for their prolific output and the high citation rates of their work. The focus areas in this field encompass "tumor microenvironment," "liver metastasis," "tumor-associated macrophages," "combination therapy" and "gut microbiota." Some keywords offer promise as potential biomarkers for evaluating the effectiveness of immunotherapeutic interventions.
  2. Kasum VU, Hayati F, Syed Abdul Rahim SS, Nik Lah NAS, Tung SEH
    Asian J Surg, 2024 Apr 10.
    PMID: 38604869 DOI: 10.1016/j.asjsur.2024.03.177
    BACKGROUND: Limited studies have reported the association between dietary patterns and Helicobacter pylori (H. pylori) infection in Sabah.

    OBJECTIVE: The purpose of this study was to assess the association between dietary pattern and H. pylori infection among patients aged 18 years and above that went for first esophagogastroduodenoscopy (OGDS) in 2021 at Queen Elizabeth Hospital (QEH), Kota Kinabalu.

    METHODS: Dietary intake of positive H. pylori was compared with healthy subjects by using questionnaire adapted from Malaysian Adult Nutrition Survey (MANS) 2014. Using logistic regression models, we evaluated the association between dietary pattern and H. pylori infection risk.

    FINDINGS: Our finding identified four dietary patterns, namely "high carbohydrate pattern", "high fiber pattern", "high fat/cholesterol pattern" and "high salt pattern". After adjustment for potential confounders, the highest quartile of "high salt pattern" showed greater odds of H. pylori infection (OR = 1.26; 95% Cl: 1.032-1.459; P = 0.045) than lowest quartile, while highest quartile of "high fiber pattern" demonstrated lower odd of the infection (OR = 0.69; 95% Cl: 0.537-0.829; P = 0.008) than those in lowest quartile. If compared with Recommended Nutrient Intake (RNI) 2017, positive H. pylori consumed high carbohydrates and sodium with insufficient fiber intake.

    CONCLUSION: To conclude, "high fiber pattern" lowers the risk of H. pylori infection while "high salt pattern" increases the infection risk. Our study also highlighted the importance of nutrient intake within daily allowances.

  3. Moses Wong YK, Teng WW, Sharon Chong ZC, Tan CS, Wong YY, Thangavelu D, et al.
    Radiol Case Rep, 2024 Apr;19(4):1309-1312.
    PMID: 38292799 DOI: 10.1016/j.radcr.2023.12.067
    A 57-year-old lady presented with symptoms of intestinal obstruction preceded by a 2-day history of lower abdomen pain. Clinically, she had a distended abdomen with tenderness in her lower abdomen. Laboratory investigations were unremarkable. An abdominal radiograph showed a dilated small bowel with no extensive bowel gas. A computed tomography (CT) scan showed suspected intestinal obstruction secondary to herniation into the right broad ligament. The decision was made to proceed with surgery, and the intraoperative results confirmed the CT results. The literature review is outlined here, and this instance illustrates a surprising discovery.
  4. Hamsah E, Robinson F, Hayati F, Arsat N, Kaur N, Sriram RK, et al.
    Med J Malaysia, 2023 Dec;78(7):876-882.
    PMID: 38159921
    INTRODUCTION: The fourth leading cause of cancer-related mortality and morbidity worldwide is colorectal cancer (CRC). Numerous reasons have contributed to the massive rise in CRC cases, for which Asian nations differ significantly in terms of risk incidence rates. The objectives of this study were to, first, identify the socio-demographic characteristics of those of North Borneo ethnicity and body mass index (BMI) and, second, determine the association of these factors with CRC. This research will contribute to preventing this form of cancer.

    MATERIALS AND METHODS: This study is an analysis of a matched case-control study with a ratio of 1:2. The case group contained 206 respondents, and the control group contained 412. All CRC cases were confirmed with the histological results. The control group was matched for links between age, sex and ethnicity with CRC. The Statistical Package for Social Sciences Statistics (SPSS) IBM version 28.0 was used to conduct descriptive analysis using chi-squared testing and simple logistic regression. The statistical significance was P < 0.05.

    RESULT: Overall, 618 respondents took part in this survey, of which 256 (41.4%) were female and 362 (58.6%) were male. The maximum age was 76, with a mean age ± SD of 53.17 ± 11.4. Those of Bajau ethnicity comprised 24.6% (152) of the population, followed by Dusun with 22.8% (141), Kadazan with 17.6% (109%), other North Borneo ethnic groups with 15.5% (96), Bugis with 9.7% (60), Brunei with 4.4% (27) and other predominant races with 5.3% (33). Regression analyses revealed that the incidence of CRC in North Borneo, Malaysia, was substantially correlated with income, occupation, other linked diseases and BMI.

    CONCLUSION: Various risk factors are linked to CRC, based on the findings related to socio-demographic characteristics and BMI. Therefore, to lower the nationwide prevalence of CRC, national public health campaigns should include collaboration with the regional authorities to highlight the incidence and risk factors of CRC based on ethnicity.

  5. Abdelhafez MA, Ahmed KM, Ahmed NM, Ismail M, Mohd Daud MNB, Ping NPT, et al.
    Heliyon, 2023 Nov;9(11):e20958.
    PMID: 37954333 DOI: 10.1016/j.heliyon.2023.e20958
    BACKGROUND: Women of reproductive age frequently suffer from psychiatric disorders. The risk of developing anxiety, bipolar, and depressive disorders is especially significant during the perinatal period.

    OBJECTIVES: This article aims to identify and discuss the different psychiatric conditions that might affect pregnant women and update the mother's carers about the recent and updated bidirectional relationship between psychiatric disease and adverse pregnancy outcomes, As well as the most updates in diagnostic and management strategies.

    METHODS: A thorough analysis of the literature was conducted using database searches in EMBASE, Science Direct, Google Scholar, Scopus, and PubMed to obtain the objectives and aim of the study.

    RESULTS: The presence of maternal mental illness during pregnancy has been linked to preterm delivery, newborn hypoglycemia, poor neurodevelopmental outcomes, and disturbed attachment. Placental anomalies, small-for-gestational-age foetuses, foetal discomfort, and stillbirth are among more undesirable perinatal outcomes.

    CONCLUSIONS: Pregnancy-related psychiatric disorders are frequent. The outcomes for pregnant women, infants, and women's health are all improved by proper diagnosis and treatment of psychiatric problems.

  6. Lee CH, Hayati F, Azizan N, Sharif SZ
    Iran J Otorhinolaryngol, 2023 Nov;35(131):325-328.
    PMID: 38074483 DOI: 10.22038/IJORL.2023.73099.3471
    INTRODUCTION: Ectopic thyroid is an uncommon condition resulting from the aberrant development of the normal thyroid gland and is usually found along the thyroglossal tract: lingual, submandibular, thyroglossal cysts, intra-tracheal and mediastinal, or, on rare occasions, in the adrenal gland, gallbladder, gastrointestinal tract, pancreas, and struma ovarii.

    CASE REPORTS: We describe a novel case where primary papillary thyroid carcinoma (PTC) was found after a trans-oral excision of a tumor containing ectopic thyroid tissue at the posterior pharynx, an area not known to be a location for ectopic thyroid. Delays due to the COVID-19 pandemic resulted in regional cervical metastases and multifocal PTC. The female patient successfully underwent total thyroidectomy, selective cervical and central lymph node dissection, followed by adjuvant radioactive iodine ablation, with no evidence of distant metastases.

    CONCLUSIONS: Ectopic thyroid tissue is uncommon and may be in the posterior pharynx. The principles of management remain those of differentiated thyroid malignancy: complete surgical resection of any tumor focus, total thyroidectomy, and node dissection of involved lymph nodes, followed by adjuvant radioactive iodine in iodine-sensitive tumors.

  7. Hayati F, Mohd Zuki A, Lim MC, Chandran PC, Azizan N, Hameed Sultan MA, et al.
    Radiol Case Rep, 2023 Aug;18(8):2836-2839.
    PMID: 37388266 DOI: 10.1016/j.radcr.2023.05.048
    Adult intussusception presents a diagnostic challenge given its non-specific symptoms. It is not as common as in infants and young children. Traditionally, diagnostic steps are invariably fit for normal adults, but not in pregnancy which faces certain limitations. A 40-year-old pregnant mother, gravida 9 para 8 at 34-week gestation, complained of intermittent epigastric pain for 2 days, requiring hospitalization. She soon developed minimal per rectal bleeding that was ruled out as hemorrhoid. Imaging was limited due to her pregnancy status. She later developed spontaneous delivery to a premature baby. Computed tomography (CT) revealed an ileocolic intussusception, which was confirmed via exploratory laparotomy. Histology was consistent with inflammatory fibroid polyp. Acute abdomen in pregnancy can be due to various causes, thus a high index of suspicion and early CT abdomen might help in early diagnosis and treatment. The benefit of doing CT on the mother and the risk of CT on the fetus is to be weighed as the timely diagnosis can prevent bowel ischemia and reduce maternal morbidity and mortality. Surgery remains the definite management in adult intussusception and an exact diagnosis can be made during the operation.
  8. Gan DEY, Nik Mahmood NRK, Chuah JA, Hayati F
    Langenbecks Arch Surg, 2023 Jul 06;408(1):267.
    PMID: 37410251 DOI: 10.1007/s00423-023-02991-5
    BACKGROUND: This study aims to determine the most accurate appendicitis scoring system and optimal cut-off points for each scoring system.

    METHODS: This single-centred prospective cohort study was conducted from January-to-June 2021, involving all patients admitted on suspicion of appendicitis. All patients were scored according to the Alvarado score, Appendicitis Inflammatory Response (AIR) score, Raja Isteri Pengiran Anak Saleha (RIPASA) score and Adult Appendicitis score (AAS). The final diagnosis for each patient was recorded. Sensitivity and specificity were calculated for each system. Receiver operating characteristic (ROC) curve was constructed for each scoring system, and the area under the curve (AUC) was calculated. Optimal cut-off scores were calculated using Youden's Index.

    RESULTS: A total of 245 patients were recruited with 198 (80.8%) patients underwent surgery. RIPASA score had higher sensitivity and specificity than other scoring systems without being statistically significant (sensitivity 72.7%, specificity 62.3%, optimal score 8.5, AUC 0.724), followed by the AAS (sensitivity 60.2%, specificity 75.4%, optimal score 14, AUC 0.719), AIR score (sensitivity 76.7%, specificity 52.2%, optimal score 5, AUC 0.688) and Alvarado score (sensitivity 69.9%, specificity 62.3%, optimal score 5, AUC 0.681). Multiple logistic regression revealed anorexia (p-value 0.018), right iliac fossa tenderness (p-value 0.005) and guarding (p-value 0.047) as significant clinical factors independently associated with appendicitis.

    CONCLUSION: Appendicitis scoring systems have shown moderate sensitivity and specificity in our population. The RIPASA scoring system has shown to be the most sensitive, specific and easy-to-use scoring system in the Malaysian population whereas the AAS is most accurate in excluding low-risk patients.

  9. Hayati F, Johari NF, Sultan MAH, Febriany DC
    Oman Med J, 2023 Jul;38(4):e541.
    PMID: 37545748 DOI: 10.5001/omj.2023.108
  10. Sultan MAH, Zin MHM, Hayati F, Zainuddin ZM, Kosai NR, Rajan R, et al.
    Obes Surg, 2023 Mar 30.
    PMID: 36997694 DOI: 10.1007/s11695-023-06547-w
    PURPOSE: Obesity is associated with multiple health-related complications and affects various aspects of life, including erectile dysfunction (ED). The aim of this study is to postulate that erectile dysfunction in male obese patients can be reversed following bariatric surgery.

    MATERIALS AND METHODS: We conducted a non-randomized quasi-experimental study (prospective) between 2 groups, those who underwent surgery with the control group. In this study, the resolution of erectile dysfunction following bariatric surgery comparing with the control group was evaluated in terms of International Index of Erectile Function (IIEF) score. IIEF score is taken by delivering validated questionnaire to participants that enrolled in this study, both the control and intervention group.

    RESULTS: A total of 25 patients were included in this study, 13 from the intervention group and 12 from the control group. From our study, we evaluated the resolution of IIEF score in both groups. We found that the resolution of erectile function is statistically significant in the intervention group compared to control group. Spearman rank correlation (rs) test was performed to identify the correlation between age and IIEF score.

    CONCLUSION: Statistically significant improvements in erectile function were found following bariatric surgery. This is evidenced by the improvements in the IIEF score post-surgery compared to control group.

  11. Than DJ, Perumall VV, Johan S, Lee XL, Karim KA, Hayati F
    Einstein (Sao Paulo), 2023;21:eRC0078.
    PMID: 37436267 DOI: 10.31744/einstein_journal/2023RC0078
    Post-thoracotomy paraplegia after non-aortic surgery is an extremely uncommon complication. A 56-year-old woman presented with a 1-year history of progressive shortness of breath. Computed tomography revealed a locally advanced posterior mediastinal mass involving the ribs and the left neural foramina. Tumor excision with a left pneumonectomy was performed. Post-resection, bleeding was noted in the vicinity of the T4-T5 vertebral body, and the bleeding point was packed with oxidized cellulose gauze (Surgicel®). Postoperatively, the patient complained of bilateral leg numbness extending up to the T5 level, with bilateral paraplegia. An urgent laminectomy was performed, and we noted that the spinal cord was compressed by two masses of Surgicel® with blood clots measuring 1.5 × 1.5cm at T4 and T5 levels. The paraplegia did not improve despite the removal of the mass, sufficient decompression, and aggressive postoperative physiotherapy. Surgeons operating in fields close to the intervertebral foramen should be aware of the possible threat to the adjacent spinal canal as helpful hemostatic agents can become a preventable threat.
  12. Aimanan K, Ong MN, Koay KL, Siew CYE, Hayati F, Tajri H
    EJVES Vasc Forum, 2023;59:56-58.
    PMID: 37396436 DOI: 10.1016/j.ejvsvf.2023.05.009
    INTRODUCTION: During the past two decades, the incidence of chronic kidney disease (CKD) in children worldwide has steadily increased and, even in children, native arteriovenous fistula (AVF) remains the access of choice. Nevertheless, maintaining a well functioning fistula is limited by central venous occlusion due to the widespread use of central venous access devices before AVF creation.

    REPORT: A 10 year old girl with end stage renal failure dialysing through a left brachiocephalic fistula presented with left upper limb and facial swelling. She had previously exhausted the option of ambulatory peritoneal dialysis for recurrent peritonitis. A central venogram showed occlusion at the left subclavian vein, which was not amenable for angioplasty through either an upper limb or femoral approach. Given the precious fistula with concomitant worsening venous hypertension, an ipsilateral axillary vein to external iliac vein bypass was performed. Subsequently, her venous hypertension was significantly resolved. This report is the first in English literature on this surgical bypass in a child with central venous occlusion.

    DISCUSSION: Central venous stenosis or occlusion rates are rising due to extensive central venous catheter use in the paediatric population with end stage renal failure. In this report, an ipsilateral axillary vein to external iliac vein bypass was used successfully as a safe temporary option to maintain AVF. Ensuring a high flow fistula pre-operatively and continued antiplatelet post-operatively will allow longer patency of the graft.

  13. Nang KM, Ismail AJ, Tangaperumal A, Wynn AA, Thein TT, Hayati F, et al.
    Front Pediatr, 2023;11:1137960.
    PMID: 37397141 DOI: 10.3389/fped.2023.1137960
    BACKGROUND: The Greulich and Pyle's Radiographic Atlas of Skeletal Development of the Hand and Wrist (GP Atlas) is the most widely used method of determining the bone age (BA) of a child. It is also a widely accepted method for forensic age determination. As there is limited local bone age data for forensic age estimation, the purpose of this study was to assess the accuracy of the GP Atlas for forensic age determination in living Sabahan children.

    METHOD: This study recruited 182 children between the ages of 9 years to 18 years. BA estimation of the left-hand anteroposterior radiographs were performed by two experienced radiologists using the Greulich-Pyle method.

    RESULTS: The BA estimates from two radiologists had very high interobserver reliability (ICC 0.937) and a strong positive interobserver correlation (r > 0.90). The GP method, significantly and consistently underestimated chronological age (CA) by 0.7, 0.6 and 0.7 years in overall children, boys and girls respectively with minimal errors. Mean absolute error and root of mean squared error for overall children was 1.5 and 2.2 years respectively, while mean absolute percentage error was 11.6%. This underestimation was consistent across all age groups but was statistically significant only at 13-13.9 and 17-18.9 years old age groups.

    CONCLUSION: Despite high interobserver reliability of BA estimation using the GP Atlas, this method consistently underestimates the age of the child in all children to a significant degree, for both boys and girls across all age groups, with an acceptably low level of error metrics. Our findings suggest that locally validated GP Atlas or other type of assessments (artificial intelligence or machine learning) are needed for assessment of BA to accurately predict CA, since current GP Atlas standards significantly underestimated chronological age with minimal error for children in Sabah. A larger population-based study would be necessary for establishing a validated atlas of a bone age in Malaysia.

  14. De Simone B, Abu-Zidan FM, Chouillard E, Di Saverio S, Sartelli M, Podda M, et al.
    World J Emerg Surg, 2022 Dec 16;17(1):61.
    PMID: 36527038 DOI: 10.1186/s13017-022-00466-4
    BACKGROUND: The incidence of the highly morbid and potentially lethal gangrenous cholecystitis was reportedly increased during the COVID-19 pandemic. The aim of the ChoCO-W study was to compare the clinical findings and outcomes of acute cholecystitis in patients who had COVID-19 disease with those who did not.

    METHODS: Data were prospectively collected over 6 months (October 1, 2020, to April 30, 2021) with 1-month follow-up. In October 2020, Delta variant of SARS CoV-2 was isolated for the first time. Demographic and clinical data were analyzed and reported according to the STROBE guidelines. Baseline characteristics and clinical outcomes of patients who had COVID-19 were compared with those who did not.

    RESULTS: A total of 2893 patients, from 42 countries, 218 centers, involved, with a median age of 61.3 (SD: 17.39) years were prospectively enrolled in this study; 1481 (51%) patients were males. One hundred and eighty (6.9%) patients were COVID-19 positive, while 2412 (93.1%) were negative. Concomitant preexisting diseases including cardiovascular diseases (p 

  15. Kimin LS, Liew Sat Lin C, Avoi R, Hayati F, Mohd Daud MN, Mandrinos S, et al.
    Ann Med Surg (Lond), 2022 Dec;84:104890.
    PMID: 36536714 DOI: 10.1016/j.amsu.2022.104890
    BACKGROUND: Childhood obesity has become a major global health concern and has been increasing dramatically over the years. Previous study has shown that specific eating behaviours may have been associated with obesity especially under-responsiveness to internal satiety cues and over-responsiveness to external food cues such as the taste, smell, availability and emotions. However, there is still inadequate number of studies present to describe the association between the children's body mass index (BMI) and their eating behaviours, especially in Sabah, Malaysia. Therefore, the objective of this study is to established the association between the children's eating behaviours with their nutritional status based on their body mass index.

    MATERIALS AND METHODS: A cross-sectional study involving 484 children aged 6-12 years old was conducted in Kota Kinabalu, which is a developing urban area in Sabah. The children were recruited from five primary schools that were selected based on multistage stratified and convenience sampling method. Sociodemographic details and anthropometric measures both parents and children, and eating behaviours of children were assessed using Children Eating Behaviour Questionnaires (CEBQ). Age-adjusted BMI z-scores were then calculated according to the World Health Organization recommendations to assess nutritional status.

    RESULTS: The prevalence of childhood obesity among children aged 6-12 years old is 13.2%. The mean scores of 'Food Approach' subscales from the CEBQ showed higher mean score in overweight and obese groups as compared to the mean score in normal weight group. The mean scores of 'Food Avoidance' subscales showed lower mean score in overweight and obese groups as compared to mean score in normal weight group.

    CONCLUSION: This study provides evidence that childhood obesity is yet to be a prevalent health problem in a developing urban area considering the "Food approach" subscales were positively associated with the excess weight in children.

  16. Muhammad-Ikmal MK, Masnon NA, Hayati F, Wan HItam WH
    BMJ Case Rep, 2022 Nov 11;15(11).
    PMID: 36368736 DOI: 10.1136/bcr-2022-250108
    A woman in her 70s presented with reduced vision in her left eye, progressive narrowing of right eye opening for 6 months and anosmia. On examination, she had right enophthalmos and pseudoptosis with inferior globe dystopia. Her visual acuity was 6/9 and nil light perception in the right and left eyes, respectively. Extraocular muscle examination showed limited right up gaze. Funduscopy showed a normal right optic disc and left optic disc atrophy. Systemic examination revealed left breast ulceration with skin tethering. CT revealed an infiltrative mass invading the ethmoidal sinuses, frontal sinuses and both orbits. A histological diagnosis of infiltrative ductal breast carcinoma was made after nasal endoscopic and left breast biopsy. She underwent palliative chemoradiotherapy and survived with good disease control after 1 year. Metastatic carcinoma is a differential diagnosis of a sino-orbital mass, and comprehensive clinical assessment is indicated for all patients presenting with non-acute eye injury.
  17. Yeoh BZY, Chuan Hoe V, Kong SN, Ooi WK, Chiew KY, Hayati F
    Am J Case Rep, 2022 Jan 07;23:e934492.
    PMID: 34992206 DOI: 10.12659/AJCR.934492
    BACKGROUND Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract and mostly affect the stomach. The size of the tumors vary, ranging from 0.6 cm to 25.5 cm, with a median size of 6.8 cm. CASE REPORT We report a case of a giant GIST (25×18×8.5 cm) in an 83-year-old woman, which we believe is the largest reported GIST, in Borneo, Malaysia. She presented with gradually increasing abdominal distension with occasional discomfort on movement for 1 month. Computed tomography revealed a large multilobulated enhancing mass measuring 10×20×22 cm with no clear plane with the posterior gastric wall, duodenum, and pancreas. We performed a distal gastrectomy and transverse colon segmentectomy, as the tumor was plastered to the mesentery of the transverse colon. Despite extensive surgery, she recovered well after surgery. Due to her advanced age and the tumor size, a tyrosine kinase inhibitor was not given owing to the possibility of adverse effects. CONCLUSIONS The management of GIST is complicated, especially for a huge GIST with local invasion. Despite the benefits of a tyrosine kinase inhibitor, the role of surgery in managing GIST is crucial, especially for patients with huge tumor size, advanced age, and local complications from the tumor.
  18. Chan KH, Subramaniam S, Hayati F
    Trauma Case Rep, 2021 Dec;36:100557.
    PMID: 34977317 DOI: 10.1016/j.tcr.2021.100557
    Traumatic abdominal wall hernia (TAWH) is a rare type of hernia resulting from blunt abdominal trauma. It develops following the inertia of sudden, high-energy blunt trauma or focused low-energy impact. A 22-year-old motorcyclist presented to the emergency department following a collision with an automobile. Clinical examination demonstrated a bulging mass at the lower abdomen, resulting from impact with the motorcycle handlebar. A contrast-enhanced CT scan of the abdomen revealed a disruption of both rectus abdominis muscle and linea alba at the lower abdomen with loops of small bowels and mesentery herniating through the defect, associated with multiple air pockets and pneumoperitoneum. Exploratory laparotomy showed TAWH containing loops of small bowel and mesentery in addition to mesenteric tears. Small bowel resection with primary anastomosis and repair of the anterior abdominal wall defect using interrupted polypropylene sutures was performed. The patient recovered well postoperatively and was discharged home three days later. A follow-up at 1 year showed no evidence of recurrence.
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