Displaying publications 81 - 100 of 2256 in total

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  1. Ngew KY, Tay HZ, Yusof AKM
    BMC Cardiovasc Disord, 2023 Nov 08;23(1):545.
    PMID: 37940867 DOI: 10.1186/s12872-023-03536-w
    PURPOSE: Percutaneous coronary intervention (PCI) is a common treatment modality for coronary artery disease. Accurate prediction of patients at risk for complications and hospital readmission after PCI could improve the overall clinical management. We aimed to develop and validate predictive models to predict any cardiac event within a year post PCI procedure.

    METHODS: This is a retrospective cohort study utilizing data from the National Cardiovascular Disease (NCVD)-PCI registry. The data collected (N = 28,007) were split into training set (n = 24,409) and testing set (n = 3598). Four predictive models (logistic regression [LR], random forest method, support vector machine [SVM], and artificial neural network) were developed and validated. The outcome on risk prediction were compared.

    RESULTS: The demographic and clinical features of patients in the training and testing cohorts were similar. Patients had mean age ± standard deviation of 58.15 ± 10.13 years at admission with a male majority (82.66%). In over half of the procedures (50.61%), patients had chronic stable angina. Within 1 year of follow up mortality, target vessel revascularization (TVR), and composite event of mortality and TVR were 3.92%, 9.48%, and 12.98% respectively. LR was the best model in predicting mortality event within 1-year post-PCI (AUC: 0.820). SVM had the highest discrimination power for both TVR event (AUC: 0.720) and composite event of mortality and TVR (AUC: 0.720).

    CONCLUSIONS: This study successfully identified optimal prediction models with the good discriminatory ability for mortality outcome and good discrimination ability for TVR and composite event of mortality and TVR with a simple machine learning framework.

    Matched MeSH terms: Treatment Outcome
  2. Nik Nur Syafika Pahri, Nur Huda Syazwani Jafri, Husna Ahmad Tajuddin, Yusilawati Ahmad Nor
    MyJurnal
    Effective treatment of wastewater is crucial in order to achieve a sustainable development. For instance, highly efficient treatment processes with low capital requirements are the major prerequisite for implementation of the advanced wastewater treatment operations. Among various available treatment methods, the application of coagulation-flocculation process by using natural coagulant; chitosan has vast advantages such as low operating cost, environmental friendly and highly effective in the wastewater treatment operations. The application of nanotechnology in numerous treatment techniques are considered as the most significant advances in water and wastewater treatment practices. The utilization of magnesium oxide (MgO) as nano-adsorbent has recently gained attention as a potential treatment method in water remediation particularly for treating effluents with high amount of organic dyes and heavy metals due to its high treatment efficiency, low cost, versatility and environment compatibility. The purpose of this study was to determine the effectiveness of coagulation-flocculation process when using novel coagulant in which MgO coated with chitosan by investigating the percentage removal of several significant parameters which were turbidity, chemical oxygen demand (COD) and suspended solid. The removal efficiencies were determined throughout a series of experiments carried out using a standard jar test procedure in which three different coagulants; chitosan, MgO coated with chitosan and MgO were tested on water samples taken from Sg. Pusu. In addition, a set of experiments was designed using response surface methodology (RSM) in order to optimize adsorption of chitosan into MgO. The experiments were conducted at various concentrations of chitosan (10-30 mg/ml) and selected MgO dosage ranges (10-30 mg). From the obtained results, it was found that chitosan-MgO coagulant has good removal efficiencies of turbidity, chemical oxygen demand (COD) and suspended solids at 92%, 91%, and 98% respectively from the optimization of adsorption of chitosan-MgO. The MgO coated with chitosan is the best coagulant in this study compared to chitosan and MgO alone because of the ability of treating the river water with up to 90 % removal for all the main parameters. The results showed that coagulation-flocculation is effective as a treatment for treating river water.
    Matched MeSH terms: Treatment Outcome
  3. Ahmat ANMF, Wan Puteh SE, Yusak S
    Asian Pac J Cancer Prev, 2021 Nov 01;22(11):3601-3606.
    PMID: 34837918 DOI: 10.31557/APJCP.2021.22.11.3601
    OBJECTIVE: Cancer-associated venous thromboembolism (CAT) is a common disease or complication which is associated with reduced survival and incurring a substantial health-care cost. Low molecular weight heparin (LMWH) remained the gold standard treatment option available. Direct oral anticoagulants (DOACs) have recently become more popular in the guidelines, they are still few and inconsistent across the current literature. The aim of this study was to evaluate rivaroxaban in treatment of CAT.

    METHODS: In this prospective real-world study, we recruited and followed up patients diagnosed with CAT treated with rivaroxaban or standard of care as a control for 12 months or until death. Baseline characteristics were collected at the study entry. The primary outcomes were recurrent DVT or PE and death within 12 months after treatment initiation. Safety outcomes were composite outcomes of major and minor bleeding.    Results: A total of 80 patients confirm CAT with radiological imaging were recruited; 39 patients were evaluated in the control arm and 41 patients in the rivaroxaban arm. The 12 months cumulative CAT recurrence rate was 46.2% in control and 39% in rivaroxaban (p=0.519). The 12-month death was not a statistically significant difference between both arms (20.5% vs. 31.7%, p=0.255). The cumulative rate of composite safety outcomes was similar in both groups (17.9% vs. 12.2%, p=0.471).

    CONCLUSION: The result of this small but important real-world evidence proofs that rivaroxaban is an effective and safe alternative to the standard of care for CAT in Malaysia's cancer population.

    Matched MeSH terms: Treatment Outcome
  4. Jalil MA, Phelawan J, Aziz MS, Saktioto T, Ong CT, Yupapin PP
    Artif Cells Nanomed Biotechnol, 2013 Apr;41(2):92-7.
    PMID: 22991968 DOI: 10.3109/10731199.2012.700519
    Acne vulgaris is adebilitating dermatologic disease, and is conventionally treated by laser therapy using a microring resonator system. An evolving understanding of laser-tissue interactions involving Propioni bacterium acneproducing porphyrins, and the development of lasers to target the sebaceous glands, has led to the development of an escalating number of laser light for acne treatment. The results show that the full width at half maximum of the proposed laser pulse of 0.15 nm can be generated using a microring resonator system. The power of the laser is 200 W and the wavelength laser is 1,032 nm, which is proposed as a treatment of acne vulgaris diseases.
    Matched MeSH terms: Treatment Outcome
  5. Memon MA, Yunus RM
    Surg Laparosc Endosc Percutan Tech, 2020 Jul 17;31(1):85-95.
    PMID: 32694405 DOI: 10.1097/SLE.0000000000000842
    BACKGROUND: To explore the perioperative outcomes, safety, and effectiveness of minimally invasive esophagectomy (MIE) versus open esophagectomy (OE).

    MATERIALS AND METHODS: Randomized controlled comparing MIE versus OE were searched from PubMed and other electronic databases between January 1991 and March 2019. Thirteen outcome variables were analyzed. Random effects model was used to calculate the effect size. The meta-analysis was prepared in accordance with PRISMA guidelines.

    RESULTS: Four randomized controlled trials totaling 569 patients were analyzed. For MIE, there was a significantly reduction of 67% in the odds of pulmonary complications. For operating time, MIE was nonsignificantly 29 minutes longer. MIE was associated with nonsignificantly less blood loss of 443.98 mL. There was nonsignificant 60% reduction in the odds of total complications and 51% reduction in the odds of medical complications favoring MIE group. For delayed gastric emptying, there was a nonsignificant reduction of 75% in the odds ratio favoring the MIE group. For postoperative anastomotic leak, there was a nonsignificant increase of 48% in the odds ratio for MIE group. For gastric necrosis, chylothorax, reintervention and 30-day mortality, no difference was observed for both groups. There was a nonsignificant reduction in the length of hospital stay of 7.98 days and intensive care unit stay of 2.7 days favoring MIE.

    CONCLUSIONS: MIE seems to be superior to OE for only pulmonary complications. All the other perioperative variables were comparable however, the trend is favoring the MIE. Therefore, the routine use of MIE presently may only be justifiable in high volume esophagogastric units.

    Matched MeSH terms: Treatment Outcome
  6. Abu Bakar MR, Abdul Kadir A, Abdul Wahab SZ, Abdul Karim AH, Nik Hussain NH, Mohd Noor N, et al.
    PLoS One, 2015;10(7):e0133514.
    PMID: 26222158 DOI: 10.1371/journal.pone.0133514
    AIM: To compare the mean of anteroposterior (AP) measurements of the uterus in longitudinal and oblique transverse planes, and the pulsatility index (PI) and resistive index (RI) of the uterine artery and superficial skin wound artery between patients taking Channa striatus and placebo.

    BACKGROUND: Channa striatus, also known as haruan, is a fresh water snakehead fish consumed in many parts of Southeast Asia. Channa striatus is also normally consumed by women postpartum to promote wound healing as well as to reduce post-operative pain.

    METHODOLOGY: This study is a randomised, double blind, placebo-controlled study conducted in women after Lower Segment Caesarean Section (LSCS). Subjects were randomised to either a Channa striatus or a placebo group and were given a daily dosage of 500 mg of Channa striatus extract or 500 mg maltodextrin, respectively, for six weeks post LSCS. The anteroposterior measurements of the uterus in the longitudinal and oblique transverse planes, and the pulsatility index (PI) and resistive index (RI) of the uterine and superficial skin wound arteries were assessed using pelvic Gray-scale ultrasound and Doppler ultrasound at baseline (Day 3) and at two weeks, four weeks and six weeks post-operatively.

    RESULTS: Sixty-six subjects were randomised into the study with 33 in the Channa striatus group and 33 in the placebo group. No significant differences were detected in terms of the pulsatility index (PI) and the resistive index (RI) of the uterine and superficial skin wound arteries between the Channa striatus and placebo groups. However, in the Channa striatus group, the AP measurements of the uterus on the longitudinal and oblique transverse planes were significantly lower compared to the placebo group (p<0.05 and p<0.001, respectively).

    CONCLUSION: Daily intake of Channa striatus extract results in marked differences compared to placebo in terms of uterine involution and recovery in women post LSCS.

    TRIAL REGISTRATION: www.isrctn.com 11960786.

    Matched MeSH terms: Treatment Outcome
  7. Lum SG, Baki MM, Yunus MRM
    PMID: 33707119 DOI: 10.1016/j.bjorl.2021.01.006
    BACKGROUND: Neurofibromas are benign peripheral nerve sheath tumours. Hypoglossal nerve neurofibromas in cervical region are relatively rare, bilateral occurrence is extremely rare.

    METHODS: A 32-year-old man with type 1 neurofibromatosis presented with bilateral neck masses. Magnetic resonance imaging showed parapharyngeal masses consistent with neurogenic tumours, most likely neurofibromas.

    RESULTS: Surgical exploration through lateral cervical approach revealed unexpected finding of the tumour that arose from the hypoglossal nerve. The tumour had totally engulfed the nerve with no normal nerve fascicles identifiable, thus resected in toto. In the postoperative course, the patient developed right hypoglossal palsy and vocal fold palsy treated with augmentation of the paralysed vocal fold with temporary injection material.

    CONCLUSIONS: The authors described a patient with type 1 neurofibromatosis with neurofibroma originating from cervical part of hypoglossal nerve. This paper discussed this rare condition and the management on how to improve the treatment outcome.

    Matched MeSH terms: Treatment Outcome
  8. Mahmud KA, Ghazali FNF, Zahari MNI, Halim HA, Khalid AK, Toh ST, et al.
    J Robot Surg, 2023 Apr;17(2):613-618.
    PMID: 36183030 DOI: 10.1007/s11701-022-01456-z
    Transoral robotic surgery is a minimally invasive surgical technique that recently debuted in Malaysia. However, there are concerns over its cost, practicality, and feasibility in local settings. Our study aims to evaluate the surgical outcomes of transoral robotic surgery and discuss its learning curves. The clinical records of all patients who underwent transoral robotic surgery in a university hospital were reviewed. 25 patients were identified with a mean age of 43.9 years. The commonest indication was obstructive sleep apnoea (OSA) (76%), followed by base of tongue carcinoma (16%), recurrent tonsilitis and Wharton's duct cyst (4% each). For excision of tongue base in obstructive sleep apnoea without epiglottectomy, the mean operating time was 2.3(±0.9) hours with an average of 2.8(±0.4) days of hospital stay. The success rate for OSA surgery was seen in 78.9% of cases. The mean operating time for transoral excision of tongue base carcinoma was 4.3(±2.5) hours, whereas the mean hospital stay was 9(±3.6) days. All surgical margins were cleared with no recurrence except for one patient. The recurrent tumour was successfully excised via transoral robotic surgery, and he remained disease free after one year. The most frequent post-operative complaints were dysphagia, post-nasal drip, and hypogeusia. Transoral robotic surgery in Malaysia is in the commencement phase, where some pitfalls are expected. Opportunities should be given for more surgeons to acquire this technique so that minimally invasive surgery for head and neck diseases is readily available for patients in middle-income countries.
    Matched MeSH terms: Treatment Outcome
  9. Gopalan Y, Shuaib IL, Magosso E, Ansari MA, Abu Bakar MR, Wong JW, et al.
    Stroke, 2014 May;45(5):1422-8.
    PMID: 24699052 DOI: 10.1161/STROKEAHA.113.004449
    Previous cell-based and animal studies showed mixed tocotrienols are neuroprotective, but the effect is yet to be proven in humans. Thus, the present study aimed to evaluate the protective activity of mixed tocotrienols in humans with white matter lesions (WMLs). WMLs are regarded as manifestations of cerebral small vessel disease, reflecting varying degrees of neurodegeneration and tissue damage with potential as a surrogate end point in clinical trials.
    Matched MeSH terms: Treatment Outcome
  10. Lim R, Liong ML, Leong WS, Khan NA, Yuen KH
    Trials, 2015;16:279.
    PMID: 26093910 DOI: 10.1186/s13063-015-0803-1
    There is currently a lack of randomized, sham-controlled trials that are adequately powered, using validated outcomes, to allow for firm recommendations on the use of magnetic stimulation for stress urinary incontinence. We report a protocol of a multicenter, randomized, double-blind, sham-controlled parallel-group trial to evaluate the efficacy of magnetic stimulation for stress urinary incontinence.
    Matched MeSH terms: Treatment Outcome
  11. Lim R, Liong ML, Leong WS, Karim Khan NA, Yuen KH
    J Urol, 2017 05;197(5):1302-1308.
    PMID: 27871927 DOI: 10.1016/j.juro.2016.11.091
    PURPOSE: Despite significant differences in success rates between surgical and nonsurgical treatments for female stress urinary incontinence, a few cross-sectional surveys showed that most patients still prefer the latter. We evaluated the efficacy of the under studied nonsurgical treatment using pulsed magnetic stimulation for female stress urinary incontinence.

    MATERIALS AND METHODS: This randomized, double-blind, sham controlled study was performed in 120 female subjects at least 21 years old with stress urinary incontinence. Treatment involved pulsed magnetic stimulation for 2 sessions per week for 2 months (16 sessions). After 2 months, subjects could opt for 16 additional sessions regardless of initial randomization. The primary response criterion was a 5-point reduction in the ICIQ-UI SF (International Consultation on Incontinence Questionnaire for Urinary Incontinence-Short Form) score. Key secondary response criteria included objective and subjective cure, supplemented by other secondary criteria. Followups were performed at months 1, 2, 5, 8 and 14.

    RESULTS: At 2 months 45 of 60 subjects (75%) in the active arm vs 13 of 60 (21.7%) in the sham arm were treatment responders (p <0.001). After 2 months 24 subjects (40%) in the active arm and 41 (68%) in the sham arm elected additional active pulsed magnetic stimulation. At 14 months, subjects who received 32 sessions of active pulsed magnetic stimulation had the highest percentage of treatment responders (18 of 24 or 75.0%), followed by those who received 16 sessions (26 of 36 or 72.2% and 28 of 41 or 68.3%) and those who did not receive any active pulsed magnetic stimulation (4 of 19 or 21.1%) (p <0.001).

    CONCLUSIONS: The encouraging long-term response rates show that pulsed magnetic stimulation is an attractive nonsurgical alternative for patients who do not want to undergo surgery.

    Matched MeSH terms: Treatment Outcome
  12. Lim R, Liong ML, Lau YK, Leong WS, Khan NAK, Yuen KH
    J Sex Marital Ther, 2018 Apr 03;44(3):260-268.
    PMID: 28661785 DOI: 10.1080/0092623X.2017.1348417
    We prospectively evaluated the effects of pulsed magnetic stimulation (PMS) on sexual function of couples with stress urinary incontinence (SUI) partners. Female SUI subjects received 16 or 32 biweekly PMS sessions, depending on treatment response. Prior to, immediately after, and at 6-months posttreatment, couples completed the Golombok Rust Inventory of Sexual Satisfaction (GRISS) questionnaire. Fifty-three (80.3%) of 66 couples completed reassessments. Based on the overall GRISS score, there were significant improvements in sexual function in both female subjects (Mdiff -5.05, SE 1.34, p = 0.001) and their partners (Mdiff -3.42, SE 1.24, p = 0.026). Our findings suggest that PMS improved sexual function of SUI patients and their partners.
    Matched MeSH terms: Treatment Outcome
  13. Lim R, Liong ML, Leong WS, Khan NAK, Yuen KH
    Int Urogynecol J, 2018 07;29(7):997-1004.
    PMID: 28744557 DOI: 10.1007/s00192-017-3425-1
    INTRODUCTION AND HYPOTHESIS: We evaluated patients' perception and satisfaction with nonsurgical pulsed magnetic stimulation (PMS) for treatment of female stress urinary incontinence (SUI) in a randomized, double-blind, sham-controlled trial.

    METHODS: Women with SUI (n = 120) were randomized to either active or sham PMS for 8 weeks (twice/week). Patients answered seven questions on their perception and acceptability, each measured on a 5-point Likert scale. Treatment satisfaction was assessed using two parameters: (i) the single-item question "Overall, please rate how satisfied you are with the treatment" and (ii) Patient Global Impression of Improvement (PGI-I). All adverse events were documented.

    RESULTS: A total of 115 patients completed treatments (active: n = 57, sham: n = 58). There were no significant differences between groups in all parameters regarding perception and acceptability (p > 0.05). In terms of treatment satisfaction, a significantly higher proportion of patients in the active group (n = 47/57, 82.4%) were either mostly or completely satisfied compared with those in the sham group (n = 27/58, 46.6%) ((p = 0.001). Similarly, a statistically significantly higher percentage of patients in the active group (n = 39/57, 68.4%) felt much or very much better compared with patients in the sham group (n = 11/58, 19.0%) as measured using the PGI-I (p treatment arms, 109 (94.8%) patients would not consider surgical options even if they required further treatment for their condition.

    CONCLUSION: PMS was well accepted, well tolerated, and resulted in a high treatment satisfaction among women with SUI.

    Matched MeSH terms: Treatment Outcome
  14. Lim R, Liong ML, Leong WS, Yuen KH
    BJU Int, 2018 05;121(5):805-810.
    PMID: 29319927 DOI: 10.1111/bju.14121
    OBJECTIVE: To review measures used in recent randomised controlled trials (RCTs) evaluating stress urinary incontinence (SUI) treatments and to propose the most relevant outcome measure that should be included in future trials.

    MATERIALS AND METHODS: We identified RCTs for SUI interventions published between January 2015 and July 2017. We listed the objective and subjective outcome measures used in eligible trials in the literature search. Using data from our RCT conducted from 2013 to 2016 evaluating pulsed magnetic stimulation for SUI, we analysed the correlation between all measures.

    RESULTS: A total of 45 RCTs were included; 28 (62%) involved surgical interventions. The most frequently used objective and subjective measures were the cough stress test and International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-UI SF), respectively. In all, 24 different validated questionnaires were administered in the 42 studies that used subjective outcome measure. Analyses of measures used in our trial showed that all measures were significantly correlated with each other except for pelvic floor muscle function. The ICIQ-UI SF showed the highest correlation coefficients (0.587-0.733) with all outcome measures.

    CONCLUSION: The outcome measures used in recent trials were inconsistent. The ICIQ-UI SF had the highest correlation with all measures in our trial; however, further studies evaluating correlation of measures in other patient cohorts are needed to corroborate our present results. We propose the use of ICIQ-UI SF, as the most relevant outcome measure, in future trials evaluating efficacy of SUI interventions.

    Matched MeSH terms: Treatment Outcome
  15. Fang F, Luo XX, Zhang Q, Azlan H, Razali O, Ma Z, et al.
    Europace, 2015 Oct;17 Suppl 2:ii47-53.
    PMID: 26842115 DOI: 10.1093/europace/euv130
    Biventricular (BiV) pacing was superior to right ventricular apical (RVA) pacing at extended follow-up in the Pacing to Avoid Cardiac Enlargement (PACE) trial. Early pacing-induced systolic dyssynchrony (DYS) might be related to mid-term result. However, it remains unknown whether early pacing-induced DYS can predict long-term reduction of left ventricular (LV) systolic function.
    Matched MeSH terms: Treatment Outcome
  16. Keane KN, Mustafa KB, Hinchliffe P, Conceicao J, Yovich JL
    Reprod Biomed Online, 2016 Aug;33(2):149-60.
    PMID: 27209497 DOI: 10.1016/j.rbmo.2016.04.014
    To examine the effect of cryopreservation on developmental potential of human embryos, this study compared quantitative β-HCG concentrations at pregnancy test after IVF-fresh embryo transfer (IVF-ET) with those arising after frozen embryo transfer (FET). It also tracked outcomes of singleton pregnancies resulting from single-embryo transfers that resulted in singleton live births (n = 869; with 417 derived from IVF-ET and 452 from FET). The initial serum β-HCG concentration indicating successful implantation was measured along with the birthweight of the ensuing infants. With testing at equivalent luteal phase lengths, the median pregnancy test β-HCG was significantly higher following FET compared with fresh IVF-ET (844.5 IU/l versus 369 IU/l; P < 0.001). Despite no significant difference in the average period of gestation (38 weeks 5 days for both groups), the mean birthweight of infants born following FET was significantly heavier by 161 g (3370 g versus 3209 g; P < 0.001). Furthermore, more infants exceeded 4000 g (P < 0.001) for FET although there was no significant difference for the macrosomic category (≥4500 g). We concluded that FET programme embryos lead to infants with equivalent (if not better) developmental potential compared with IVF-ET, demonstrated by higher pregnancy β-HCG concentrations and ensuing birthweights.
    Matched MeSH terms: Treatment Outcome
  17. 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: Treatment Outcome
  18. Thong YL, Messer HH, Zain RB, Saw LH, Yoong LT
    Dent Traumatol, 2009 Aug;25(4):386-93.
    PMID: 19459923 DOI: 10.1111/j.1600-9657.2008.00631.x
    Progressive replacement resorption following delayed replantation of avulsed teeth has proved to be an intractable clinical problem. A wide variety of therapeutic approaches have failed to result in the predictable arrest of resorption, with a good long-term prognosis for tooth survival. Bisphosphonates are used in the medical management of a range of bone disorders and topically applied bisphosphonate has been reported to inhibit root resorption in dogs. This study evaluated the effectiveness of a bisphosphonate (etidronate disodium) as an intracanal medicament in the root canals of avulsed monkey teeth, placed before replantation after 1 h of extraoral dry storage. Incisors of six Macaca fascicularis monkeys were extracted and stored dry for 1 h. Teeth were then replanted after canal contamination with dental plaque (negative control) or after root canal debridement and placement of etidronate sealed in the canal space. A positive control of calcium hydroxide placed 8-9 days after replantation was also included. All monkeys were sacrificed 8 weeks later and block sections were prepared for histomorphometric assessment of root resorption and periodontal ligament status. Untreated teeth showed the greatest extent of root resorption (46% of the root surface), which was predominantly inflammatory in nature. Calcium hydroxide treated teeth showed the lowest overall level of resorption (<30% of the root surface), while the bisphosphonate-treated group was intermediate (39%). Ankylosis, defined as the extent of the root surface demonstrating direct bony union to both intact and resorbed root surface, was the lowest in the untreated control group (15% of the root surface), intermediate in the calcium hydroxide group (27%) and the highest in the bisphosphonate group (41%). Bony attachment to the tooth root was divided approximately equally between attachment to intact cementum and to previously resorbed dentin. Overall, bisphosphonate resulted in a worse outcome than calcium hydroxide in terms of both root resorption and ankylosis.
    Matched MeSH terms: Treatment Outcome
  19. Abbas AA, Kim YJ, Song EK, Yoon TR
    J Arthroplasty, 2009 Oct;24(7):1144.e5-8.
    PMID: 18848418 DOI: 10.1016/j.arth.2008.09.008
    The causes of groin pain after total hip arthroplasty are numerous, and the condition itself is disabling. Therefore, it is imperative that the cause of the pain is identified and managed appropriately. We report a case where the patient had groin pain after total hip arthroplasty as a result of an oversized cementless acetabular component, which caused a breach in the anterior wall of the acetabulum. The anterior wall of the acetabulum was reconstructed with femoral head allograft, and the patient has been symptom free since.
    Matched MeSH terms: Treatment Outcome
  20. Park KS, Chan CK, Lee GW, Ahn HW, Yoon TR
    Injury, 2017 Feb;48(2):388-393.
    PMID: 27914663 DOI: 10.1016/j.injury.2016.11.029
    INTRODUCTION: Anatomical reduction of displaced acetabular fracture is not without its' limitations and complications. This study is conducted to assess clinical and radiological outcomes as well as complications of treating displaced acetabular fractures with emphasis on anatomical reduction in weight-bearing area, mainly the posterior column, and imperfect reduction of the anterior column is acceptable. However, stability of both columns is mandatory.

    METHODS: It was a retrospective study carried out in a Level 1 arthroplasty and trauma centre. 23 patients (17 males, 6 females) with average age of 50.1 years (range, 36-68 years) with displaced acetabular fracture treated with combined incisions and plate-cable systems were included. There were 3 elementary and 18 associated fractures according to Letournel classification. Average follow-up was 23.5 months (range, 12-38.7 months). Mean operation time was 160min (range: 75-320min). Functional scores were evaluated using Harris Hip Score (HHS) whilst reduction was assessed by Matta criteria. Any displacement of reduction, osteoarthritis, heterotopic ossification, and other complications was recorded.

    RESULT: 65.2% (15/23) of the patients obtained excellent HHS and 21.7% (5/23) had good HHS. There were 12 anatomical, 6 imperfect, and 5 poor reductions. No displacement was recorded in final follow-up. Complications documented: three lateral femoral cutaneous nerve injuries, two conversions to total hip arthroplasty, three Brooker stage 1 heterotrophic ossification, one pulmonary embolism and one screw irritation. No incidence of wound breakdown, infection and radiological osteoarthritis was reported.

    CONCLUSIONS: Imperfect reduction of the anterior column provided clinical outcomes that are as good as total anatomical reduction. This approach minimizes soft tissue damage and reduces perioperative morbidities.

    Matched MeSH terms: Treatment Outcome
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