Displaying publications 61 - 80 of 1465 in total

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  1. Yong CK
    Med J Malaysia, 2006 Dec;61 Suppl B:45-7.
    PMID: 17605180
    This is a report of a case of peroneal subluxation caused by peroneus quartus, a supernumerary muscle in the peroneal muscle group. Peroneus quartus' anatomy and its clinical relevance in lateral ankle pain, swelling and peroneal subluxation are described. It may be accurately diagnosed by peroneal tendoscopy. The technical note of this procedure is also described.
    Matched MeSH terms: Follow-Up Studies
  2. Yong CK
    Med J Malaysia, 2006 Dec;61 Suppl B:27-31.
    PMID: 17605179
    Posterolateral corner (PLC) laxity of the knee results in rotatory instability, in association with posterior cruciate ligament (PCL) laxity led to a grossly unstable knee. This is a series of eight patients with chronic PLC and PCL laxity treated with arthroscopic quadriceps tendon PCL reconstruction and extraarticular hamstring PLC reconstruction. Seven cases had high tibial osteotomy to address associated genu varus deformity. With prospective pre- and post-operative assessments, there was a significant improvement in the 2000 International Knee Documentation Committee (IKDC) subjective assessment and knee examination, Lysholm-Gillquist and Tegner activity scores, as well as KT-1000 arthrometry measurement after one year in all knees. Surgical treatment of PLC laxity must address coexisting problems of the PCL and mechanical alignment for a successful outcome.
    Matched MeSH terms: Follow-Up Studies
  3. Yip WK, He PY, Abdullah MA, Yusoff S, Seow HF
    Pathol Oncol Res, 2016 Apr;22(2):413-9.
    PMID: 26581613 DOI: 10.1007/s12253-015-0007-8
    Molecular alterations in PIK3CA oncogene that encodes the p110α catalytic subunit of phosphatidylinositol 3-kinase (PI3K p110α) are commonly found in human cancers. In this study, we examined the expression of PI3K p110α and PIK3CA gene amplification in 74 nasopharyngeal carcinoma (NPC) cases. Immunohistochemical staining demonstrated overexpression of PI3K p110α protein in 44.6% (33/74) of NPCs and 4.8% (2/42) of the adjacent normal nasopharyngeal mucosa. Copy number of PIK3CA gene was successfully analyzed in 51 of the total NPC cases and 19 non-malignant nasopharynx tissues by quantitative real-time PCR. Using mean + 2(standard deviation) of copy numbers in the non-malignant nasopharynx tissues as a cutoff value, PIK3CA copy number gain was found in 10 of 51 (19.6%) NPC cases. High PI3K p110α expression level was correlated with increased PIK3CA copy number (Spearman's rho =0.324, P = 0.02). PI3K p110α expression and PIK3CA copy number did not associate with Akt phosphorylation, and patient and tumor variables. This study suggests that PI3K p110α overexpression, which is attributed, at least in part, to PIK3CA gene amplification, may contribute to NPC pathogenesis. However, these molecular aberrations may not be responsible for activation of Akt signaling in NPC.
    Matched MeSH terms: Follow-Up Studies
  4. Yikilmaz AŞ, Akinci S, Bakanay ŞM, Dilek İ
    Malays J Med Sci, 2020 Feb;27(1):70-77.
    PMID: 32158346 DOI: 10.21315/mjms2020.27.1.7
    Introduction: Vitamin D, which is known for its effects on calcium and bone metabolism, has recently been associated with haematological malignancies. We aimed to investigate the relationship between disease findings and vitamin D deficiency in essential thrombocythemia (ET) and polycythemia vera (PV).

    Material and Methods: This retrospective cohort study conducted in Turkey included 73 patients diagnosed with PV or ET according to WHO criteria between 2012 and 2018. Vitamin D deficiency was defined as 25-OH vitamin D < 20 ng/mL. Polymerase chain reaction (PCR) was used to detect the Janus kinase 2 (JAK2) V617F mutation.

    Results: Vitamin D deficiency was found in 66.7% of PV and 74.2% of ET patients. The median follow-up time of ET and PV patients was 48 months and 47 months, respectively. Patients with the JAK2 mutation had a higher prevalence of a history of thrombosis and age older than 65 years. There was a significant relationship between JAK2 positivity and vitamin D deficiency.

    Conclusion: There was a remarkably higher prevalence of vitamin D deficiency in JAK2 mutation-positive ET and PV patients. These patients should be carefully evaluated for vitamin D deficiency. More studies are required to further investigate the association between JAK2 and vitamin D.

    Matched MeSH terms: Follow-Up Studies
  5. Yik YI, Hutson J, Southwell B
    Neuromodulation, 2018 Oct;21(7):676-681.
    PMID: 29164818 DOI: 10.1111/ner.12734
    BACKGROUND: Transcutaneous electrical stimulation (TES) for one to two months has produced some improvement in treatment-resistant slow-transit constipation (STC) in children. Optimal parameters for treatment are not known. It is possible that more improvement would occur with stimulation for longer. This study examined the effectiveness of stimulation for six months.

    METHODS: Children with STC confirmed by nuclear transit study (NTS) were enrolled prospectively. All had chronic constipation for greater than two years and had failed medical treatment. TES was performed for one hour/day for six months using the INF 4160 (Fuji Dynamics) portable stimulator and 4 cm × 4 cm electrodes near the belly button and on the back. Families kept bowel diaries and completed PEDSQLCore QOL (4.0) questionnaires before and at end of treatment.

    RESULTS: Sixty-two children (34 females; seven years, 2-16 year) with STC were studied. Defecation frequency increased in 57/62 (91%, mean ± SEM pre- 1.49 ± 0.20 vs. post- 3.25 ± 0.25 defecation/week, p 

    Matched MeSH terms: Follow-Up Studies
  6. Yii MK
    Asian J Surg, 2003 Jul;26(3):149-53.
    PMID: 12925289 DOI: 10.1016/S1015-9584(09)60374-2
    Abdominal aortic aneurysm (AAA) repairs represent a significant workload in vascular surgery in Asia. This study aimed to audit AAA surgery and evaluate the application of the Portsmouth Physiological and Operative Severity Score for the Enumeration of Mortality and Morbidity (P-POSSUM) in an Asian vascular unit for standard of care. Eighty-five consecutive surgical patients with AAA from a prospective vascular database from July 1996 to December 2001 in Sarawak were available for analysis. Comparisons between predicted deaths by P-POSSUM and observed deaths in both urgency of surgery categories (elective, urgent, emergency ruptures) and risk range groups (0-5%, >5-15%, >15-50%, >50-100%) were made. No significant difference was found between the predicted and observed rates of death for elective, urgent and emergency AAA repairs. The observed mortality rates were 5%, 18% and 30%, respectively. The observed rates of death were also comparable to P-POSSUM predicted rates of death in the various risk range groups. The POSSUM score used with the P-POSSUM mortality equation is easy to use and applicable as a comparative vascular auditing tool in Asia.
    Matched MeSH terms: Follow-Up Studies
  7. Yew, C.H., Ramasamy, T.S., Amini, F.
    JUMMEC, 2015;18(2):1-6.
    MyJurnal
    Refractory dermal melasma is resistant to conventional treatment. Platelet rich plasma (PRP) may help to reduce the pigmentation of melasma. We present a case report on the clinical outcome of 2 patients with melasma, given PRP, as an adjunct therapy. PRP was administered at a monthly interval for 2 sessions in combination with a monthly Q-switched Nd Yag laser treatment and topical alpha arbutin application. A modified melasma area and severity index (MASI) was evaluated by two dermatologists who were blinded. At the follow up on the 3rd months, the MASI score was reduced by mean 33.5% for case 1 and 20% for case 2. There were no clinical complications for case 1. However recurrence of melasma was noted in case 2 by a worsening of the MASI score mean to 53% at the sixth months follow up. In conclusion, intradermal PRP injection as an adjunct to the conventional treatment of melasma presented with differing results in two cases.
    Matched MeSH terms: Follow-Up Studies
  8. Yeh LY, Raj M, Hassan S, Aziz SA, Othman NH, Mutum SS, et al.
    Indian J Gastroenterol, 2009 08 21;28(2):49-52.
    PMID: 19696988 DOI: 10.1007/s12664-009-0017-0
    INTRODUCTION: The Northeastern region of Peninsular Malaysia is an area with exceptionally low prevalence for Helicobacter pylori infection. The risk of intestinal metaplasia and dysplasia in patients with chronic atrophic gastritis (CAG) and its association with Helicobacter pylori is unknown in this region.

    METHODS: This was a cross-sectional study on gastric biopsies from 234 consecutive patients (mean age 53.5 [14.8] years) who underwent upper gastrointestinal endoscopy between January 2006 and December 2006.

    RESULTS: There were 137 (59%) men and 185 (79%) Malay patients. Among 234 biopsies, CAG was found in 99 and non-atrophic gastritis in 135. Intestinal metaplasia and dysplasia were detected in 8 and 6 atrophic gastritis biopsies, respectively, and in 10 and 3 of non-atrophic gastritis biopsies, respectively. H. pylori were detected in 16 (9 Malays, 7 non- Malays) biopsies (p=0.024); intestinal metaplasia was detected in 4 biopsies (p=0.3) and dysplasia in 5 biopsies (p=0.3). Of the 218 biopsies negative for H. pylori, intestinal metaplasia was found in 14 and dysplasia in 4. The risk of intestinal metaplasia as well as dysplasia was associated with presence of H. pylori infection (p=0.029 and p<0.001 respectively).

    CONCLUSION: Even in a setting of low prevalence of H. pylori, intestinal metaplasia and dysplasia were significantly associated with H. pylori infection. The frequency of intestinal metaplasia and dysplasia was similar different between biopsies with atrophic gastritis and non-atrophic gastritis.

    Matched MeSH terms: Follow-Up Studies
  9. Yee R, Gadler F, Hussin A, Bin Omar R, Khaykin Y, Verma A, et al.
    Heart Rhythm, 2014 Jul;11(7):1150-5.
    PMID: 24801899 DOI: 10.1016/j.hrthm.2014.04.020
    Left ventricular (LV) lead implantation for cardiac resynchronization therapy (CRT) is associated with lead dislodgement rates ranging from 3% to 10%, and some implant approaches to prevent dislodgement may contribute to suboptimal CRT response. We report our early human experience with an LV lead with a side helix for active fixation to the coronary vein wall.
    Matched MeSH terms: Follow-Up Studies
  10. Yee AS, Tharakan J, Idris Z, Bhaskar S, Halim SA, Razak SA, et al.
    Malays J Med Sci, 2017 Dec;24(6):97-102.
    PMID: 29379392 DOI: 10.21315/mjms2017.24.6.12
    Epilepsy surgery has been performed by a few centres in Malaysia, including Hospital Universiti Sains Malaysia (HUSM). To date, a total of 15 patients have undergone epilepsy surgery in HUSM. The epilepsy surgery included anterior temporal lobectomy (ATL) with amygdalohippocampectomy (AH) and Vagal nerve stimulation (VNS). The surgical outcomes of the patients were assessed using the International League Against Epilepsy (ILAE) outcome scale. The ILAE scores for patients who underwent ATL with AH were comparatively better than those who underwent VNS. One of the patient who underwent ATL with AH and frontal lesionectomy was found to have psychosis during follow up. Epilepsy surgery has proven to be an important treatment for medically resistant epilepsy. Thus it is important to raise public awareness regarding epilepsy and its treatment.
    Matched MeSH terms: Follow-Up Studies
  11. Yee A, Loh HS, Ng CG, Sulaiman AH
    Am J Mens Health, 2018 07;12(4):1016-1022.
    PMID: 29493379 DOI: 10.1177/1557988318759197
    Low sexual desire (SD) is not life threatening, but its negative impact on the quality of life and intimacy of a relationship among the patients on methadone maintenance therapy (MMT) is significant. This cross-sectional study involved 183 men on MMT who were interviewed and who completed the Malay version of the SDI-2 (SDI-2-BM), the Malay version of the self-rated Montgomery-Asberg Depression Rating Scale (MADRS-BM) and World Health Organization Quality of Life-BREF Scale (WHOQOL-BREF) questionnaires. Findings showed 32.8% ( n = 60) participants had low SD. Those who were older, had sexual partners, and were smokers achieved lower scores in both dyadic SD (≤24) and solitary SD (≤6), and suffered lower quality of life in their social relationship. MMT is very cost-effective in rehabilitating opioid dependence; however, as clinicians, we need to address and manage the issues of low SD and depression among patients on MMT, especially the older men.
    Matched MeSH terms: Follow-Up Studies
  12. Yeat SW, Mukari SZ, Said H, Motilal R
    Med J Malaysia, 1997 Sep;52(3):285-90.
    PMID: 10968099
    Post meningitic sensori-neural hearing loss was studied in forty new cases of bacterial meningitis and ten cases of viral meningitis treated at the Pediatric Institute, Kuala Lumpur Hospital from April 1991 to March 1992. Hearing assessment at 2 weeks, 3 months and 6 months following the diagnosis of meningitis using Brain Stem Evoked Response Audiometry showed that hearing loss was prevalent only in patients with bacterial meningitis. Hearing loss was detected in 32.5% of these patients during the acute phase of the disease, 22.8% after 3 months and 24.2% after 6 months. In 63.6% of the affected cases, hearing loss was bilateral. In 61.5% of the patients who had hearing loss during the acute phase of the disease, it was permanent, 16.7% had either partial or complete recovery and, 15.4% had deterioration in hearing level. In 2 cases the subsequent hearing level was unknown. The risk of developing sensori neural hearing loss was found to be significantly higher in patients who developed other neurological sequelae. The study highlights the importance of performing repeated hearing assessment in children with bacterial meningitis and the difficulty in appropriate selection of hearing aids in the early stages.
    Matched MeSH terms: Follow-Up Studies
  13. Yeap JS, Lim JW, Vergis M, Au Yeung PS, Chiu CK, Singh H
    Med J Malaysia, 2006 Jun;61(2):181-8.
    PMID: 16898309
    The national clinical practice guideline has recommended that prophylactic antibiotic be given in orthopaedic surgery involving joint replacements and internal fixation of fractures. The aim of this study is to assess the current antibiotics prophylaxis practice in a state level hospital. One hundred and three patients (68 males, 35 females; mean age 41.6 +/- 22.2 years) undergoing internal fixation for closed fractures and joint replacement surgery were included in this prospective study. The choice of pre and post-operative antibiotics, their dosages and duration of administration were recorded. The pre-operative antibiotics were only deemed to have been given if it was documented in the case notes and in the case of post-operative antibiotics if it was signed on the drug chart. Eighty eight percent were given pre-operative prophylactic antibiotics and 92% were given post-operative antibiotics. For patients undergoing internal fixation of fractures, the most commonly used antibiotic for both pre and post-op is intravenous cefuroxime. For joint replacement surgery, the most commonly used antibiotic is intravenous cefoperazone. The duration or number of doses of post-operative antibiotics was highly variable. It was not stated in 56% of the post-operative instructions. Post-operative antibiotic was ordered for 48 hours or longer in 10%. In conclusion, prophylactic antibiotics appear to be widely practised. The first line antibiotics as recommended by the present guideline were not given in any of the patients. Second generation followed by third generation cephalosporins are the most popular antibiotics, with a trend towards using third generation cephalosporins in arthroplasty patients. Single dose prophylaxis was rarely practised.
    Matched MeSH terms: Follow-Up Studies
  14. Yeap JS, Noor Zehan AR, Ezlan S, Borhan Tan A, Harwant S
    Med J Malaysia, 2001 Jun;56 Suppl C:13-8.
    PMID: 11814242
    The functional outcome of 27 patients (16 males, 11 females) with a proximal humeral fracture was evaluated using the Simple Shoulder Test. Fifteen patients were also assessed using the Constant system. The mean age of the patients was 46.3 years (range 16-90 years) and the mean follow-up was 14 months (range 6-29 months). There were ten 2-part fractures, eight minimally displaced fractures, two 3-part fractures, three 4-part fractures, three 1-part fracture-dislocations and one 3 parts fracture-dislocation. Twenty-four fractures were treated conservatively and 3 surgically. Thirteen patients (48%) regained full function on the simple shoulder test and almost all regained range of movement sufficient for activities of daily living. Six patients were not able to return to their previous job. All patients were pain free at rest and were able to sleep on the affected side comfortably, although 9 patients had pain with activity, even though most pain were mild in nature. The mean Constant scores for the fractured arm and the normal arm were 72.5 points and 91 points respectively. The strength of shoulder abduction was reduced by a mean of 34%. Although the outcome was generally satisfactory, there was nevertheless a statistically significant deterioration of function following the fracture.
    Matched MeSH terms: Follow-Up Studies
  15. Yeap JS, Birch R, Singh D
    Int Orthop, 2001;25(2):114-8.
    PMID: 11409449
    Twelve patients with drop-foot secondary to sciatic or common peroneal nerve palsy treated with transfer of the tibialis posterior tendon were followed-up for a mean of 90 (24-300) months. In 10 patients the results were 'excellent' or 'good'. In 11 patients grade 4 or 5 power of dorsiflexion was achieved, although the torque, as measured with a Cybex II dynamometer, and generated by the transferred tendon, was only about 30% of the normal side. Seven patients were able to dorsiflex their foot to the neutral position and beyond. The results appeared to be better in men under 30 years of age with common peroneal palsies. A painful flatfoot acquired in adulthood does not appear to be a significant long-term complication despite the loss of a functioning tibialis posterior tendon.
    Matched MeSH terms: Follow-Up Studies
  16. Yeap EJ, Rao J, Pan CH, Soelar SA, Younger ASE
    Foot Ankle Surg, 2016 Sep;22(3):164-169.
    PMID: 27502224 DOI: 10.1016/j.fas.2015.06.008
    BACKGROUND: This study compares the outcomes of calcaneal fracture surgery after open reduction internal fixation and plating (ORIF) versus arthroscopic assisted percutaneous screw fixation (APSF).

    METHODS: Group I (N=12) underwent ORIF. Group II (N=15) underwent APSF. Anthropometric data, pre and post-operative stay, complications and duration off work were recorded in this retrospective case cohort study. Radiographs were analyzed for Bohler's, Gissane's angle and Sanders' classification. AOFAS Hindfoot and SF 36 scores were collected at final follow-up.

    RESULTS: Anthropometric data, Bohler's and Gissane's angles, AOFAS and SF 36 scores were not significantly different. Pre-operative duration was 12.3 days in ORIF and 6.9 days in APSF. Post-operative duration was 7.3 days vs 3.8 days. Duration off work was 6.2 months vs 2.9 months.

    CONCLUSION: The APSF group was able to have surgery earlier, go home faster, and return to work earlier. This study was not powered to demonstrate a difference in wound complication rates.

    Matched MeSH terms: Follow-Up Studies
  17. Yeap BH, Zahari Z
    Pediatr Surg Int, 2010 Feb;26(2):207-12.
    PMID: 19943053 DOI: 10.1007/s00383-009-2523-7
    Neonatal neoplasms are rare tumours notorious for their atypical presentation and unpredictable behaviour. Their optimal treatment remains uncertain, a dilemma compounded by the deleterious effects of adjuvant chemo- or radiotherapy during this vulnerable period of growth. This paper examined the relatively high incidence of these tumours and its impact on paediatric surgery in Malaysia.
    Matched MeSH terms: Follow-Up Studies
  18. Yatabe Y, Kerr KM, Utomo A, Rajadurai P, Tran VK, Du X, et al.
    J Thorac Oncol, 2015 Mar;10(3):438-45.
    PMID: 25376513 DOI: 10.1097/JTO.0000000000000422
    The efficacy of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors in EGFR mutation-positive non-small-cell lung cancer (NSCLC) patients necessitates accurate, timely testing. Although EGFR mutation testing has been adopted by many laboratories in Asia, data are lacking on the proportion of NSCLC patients tested in each country, and the most commonly used testing methods.
    Matched MeSH terms: Follow-Up Studies
  19. Yasin SM, Masilamani R, Ming MF, Koh D
    Asian Pac J Cancer Prev, 2011;12(3):811-6.
    PMID: 21627389
    Smoking cessation studies are often performed in clinic based settings. The present example aimed to find predictors of success among staff in worksite smoking cessation programmes in two major public universities in Klang Valley, Malaysia. All staff from both universities received an open invitation via staff e-mail and letters to participate. At the start of treatment, participants were administered the Rhode Island Stress and Coping Questionnaire and Family Support Redding's Questionnaire. Behaviour therapy with free nicotine replacement therapy (NRT) were given as treatment. After two months, they were contacted to determine their smoking status. 185 staff from University A (n=138) and University B (n=47), responded and voluntarily showed interest to quit. There was no significant difference in respondents with respect to socio demographic characteristics and smoking history. After two months of treatment, quit rates were 24% in University A vs. 38 % in University B (p>0.05). Univariate predictors of cessation were adherence to NRT (p<0.001), smoking fewer cigarettes per day (p<0.05) and the number of behaviour therapy sessions attended (p<0.001). Logistic regression identified 3 significant predictors of smoking cessation. Participants attending more than one session (OR= 27.00; 95% CI : 6.50; 111.6), and having higher pre-treatment general stress (OR= 2.15; 95% CI: 1.14; 4.05) were more likely to quit, while a higher number of cigarettes smoked (OR= 0.19: 95% CI: 0.06; 0.59) reduced the likelihood of quitting. Increasing age, ability to cope with stress and family support were not significant predictors. We conclude that factors such as the number of counseling sessions, the amount of cigarettes smoked at baseline, adherence to NRT and pretreatment stress are important considerations for success in a worksite smoking cessation programme.
    Matched MeSH terms: Follow-Up Studies
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