Displaying publications 61 - 80 of 123 in total

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  1. Fulltext A glimpse on the function of chitosan as a dental hemostatic agent
    Lestari W, Yusry WNAW, Haris MS, Jaswir I, Idrus E
    Jpn Dent Sci Rev, 2020 Nov;56(1):147-154.
    PMID: 33204370 DOI: 10.1016/j.jdsr.2020.09.001
    Managing a bleeding patient can be a challenge during dental surgery. Profuse hemorrhage due to platelet defects, coagulation disorders, vascular anomalies, medication-induced patients, as well as inherited bleeding ailments result in soft tissue hematoma, septic shock, compromised airway, and in some severe cases, death could occur. A vast array of surgical hemostatic agents are available to stop bleeding, including chitosan-based hemostatic agents. Chitosan has an advantage over other topical hemostatic materials for its ability to promote shorter bleeding times and assist in healing. Massive behind-the-scene research and development efforts are ongoing to increase the performance of chitosan as a hemostatic agent. Numerous studies on chitosan use in dental hemostasis have registered it as being safe, biodegradable, biocompatible, promoting healing, antimicrobial and bioactive. This article reviews the application of chitosan in managing hemostasis in dental patients.
    Matched MeSH terms: Blood Coagulation Disorders
  2. Fulltext Manufacturing and Characterization of Novel Electrospun Composite Comprising Polyurethane and Mustard Oil Scaffold with Enhanced Blood Compatibility
    Jaganathan SK, Mani MP, Ismail AF, Ayyar M
    Polymers (Basel), 2017 May 04;9(5).
    PMID: 30970842 DOI: 10.3390/polym9050163
    The objective of this work is to characterize and investigate the blood compatibility of polyurethane (PU)/mustard oil composites fabricated using electrospinning technique. The fabricated scaffold was characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), atomic force microscopy (AFM), thermogravimetric analysis (TGA) and contact angle measurements. The activated partial thromboplastin time (APPT), prothrombin time (PT) and the hemolytic assay were done to investigate the blood compatibility of the developed composites. The SEM results revealed that the fiber diameter of the composites (761 ± 123 nm) was reduced compared to pristine PU control. The interaction between PU and mustard oil was confirmed by FTIR as evident through the shifting of peaks. The fabricated composites depicted hydrophobic behavior as insinuated by the increase in contact angle measurements. PU/mustard composites displayed improved crystallinity as confirmed by TGA. Atomic force micrographs suggested that developed PU/mustard oil composites showed an increase in the surface roughness (Ra) compared to pure PU. The Ra of pure PU was observed to be 723 nm but for the fabricated PU/mustard oil composite the Ra was found to be 1298 nm (Ra). The hemolytic index value for pure PU and fabricated composites was observed to be 2.73% and 1.15% indicating that developed composites showed a non-hemolytic behavior signifying the safety of the composites with red blood cells. Hence the newly developed composites with improved physicochemical and blood compatibility properties may be considered as a potential candidate for fabricating cardiac patches and grafts.
    Matched MeSH terms: Blood Coagulation Tests
  3. Fulltext Health Care Monitoring and Treatment for Coronary Artery Diseases: Challenges and Issues
    Alghrairi M, Sulaiman N, Mutashar S
    Sensors (Basel), 2020 Aug 01;20(15).
    PMID: 32752231 DOI: 10.3390/s20154303
    In-stent restenosis concerning the coronary artery refers to the blood clotting-caused re-narrowing of the blocked section of the artery, which is opened using a stent. The failure rate for stents is in the range of 10% to 15%, where they do not remain open, thereby leading to about 40% of the patients with stent implantations requiring repeat procedure within one year, despite increased risk factors and the administration of expensive medicines. Hence, today stent restenosis is a significant cause of deaths globally. Monitoring and treatment matter a lot when it comes to early diagnosis and treatment. A review of the present stent monitoring technology as well as the practical treatment for addressing stent restenosis was conducted. The problems and challenges associated with current stent monitoring technology were illustrated, along with its typical applications. Brief suggestions were given and the progress of stent implants was discussed. It was revealed that prime requisites are needed to achieve good quality implanted stent devices in terms of their size, reliability, etc. This review would positively prompt researchers to augment their efforts towards the expansion of healthcare systems. Lastly, the challenges and concerns associated with nurturing a healthcare system were deliberated with meaningful evaluations.
    Matched MeSH terms: Blood Coagulation
  4. Fulltext Factor VIII activity and bleeding risk during prophylaxis for severe hemophilia A: a population pharmacokinetic model
    Tiede A, Abdul Karim F, Jiménez-Yuste V, Klamroth R, Lejniece S, Suzuki T, et al.
    Haematologica, 2021 07 01;106(7):1902-1909.
    PMID: 32327501 DOI: 10.3324/haematol.2019.241554
    During factor VIII prophylaxis for severe hemophilia A, bleeding risk increases with time when factor VIII activity is below 1%. Maintaining trough activity above 1% does not protect all patients from bleeding. The relationship between factor VIII activity during prophylaxis and bleeding risk has not been thoroughly studied. We investigated factor VIII activity and annualized bleeding rate for spontaneous bleeds during prophylaxis. A population pharmacokinetic model derived from three clinical trials was combined with dosing data and bleed information from patient diaries. Each patients' time on prophylaxis was divided into five categories of predicted activity (0-1%, >1-5%, >5-15%, >15-50%, and >50%). Exposure time, mean factor VIII activity, and bleed number (from patient diaries) were calculated for each activity category, and annualized bleeding rates estimated using negative binomial regression and a parametric model. Relationships between these bleeding rates and factor VIII activity were evaluated by trial phase (pivotal vs. extension) and age (adults/adolescents [≥12 years] vs. children [0-<12 years]). In total (N=187; 815 patient-years' exposure), factor VIII activity was predicted to reach >1% for 85.64% of the time. Annualized bleeding rate decreased as factor VIII activity increased in each trial phase and age group. However, for a given activity level, bleeding rate differed substantially by trial phase, and age. This suggests that bleeding risk can change over time and is influenced by factors independent of factor VIII pharmacokinetics and trough levels. Target trough and prophylactic regimen should consider patient age, joint disease activity, and other bleeding risk determinants.
    Matched MeSH terms: Blood Coagulation Tests
  5. Evaluation of the cross-neutralization capacity of Thai green pit viper antivenom against venom of Myanmar green pit viper
    Yee KT, Maw LZ, Kyaw AM, Khow O, Oo AW, Oo TKK, et al.
    Toxicon, 2020 Apr 15;177:41-45.
    PMID: 32056833 DOI: 10.1016/j.toxicon.2020.02.003
    Green pit viper (Trimeresurus sp.) bite occurred throughout Myanmar, but there is no specific antivenom produced in the country for related envenomation. Instead, Myanmar Russell's viper antivenom (Anti-MRV) was often misused because of prolonged clotting time was observed from both species. Thai green pit viper antivenom (Anti-TGPV) raised against Trimeresurus albolabris was found to be effective against venoms of more than ten Trimeresurus sp. from Thailand, Malaysia and Indonesia. The present study compared the neutralization capacities of Anti-TGPV and Anti-MRV towards the venom from T. erythrurus from Myanmar. Anti-TGPV was more efficacious than Anti-MRV in cross-neutralizing the lethal and haemorrhagic activities of the venom by a potency of a least 1.4 times higher. Although Anti-TGPV effectively cross-neutralized the coagulation activity of the venom, Anti-MRV failed to do so. Immunodiffusion and immunoblot experiments showed that Anti-TGPV cross-reacted with more protein components of the venom than Anti-MRV. In conclusion, Anti-TGPV is a better choice for patients bitten by Myanmar green pit viper, but further clinical investigation is required. The current findings highlight the development of a specific antivenom against Myanmar green pit viper venom.
    Matched MeSH terms: Blood Coagulation Tests
  6. A confirmed bite by a Beautiful Pit Viper (Trimeresurus venustus) resulting in local symptoms
    Fuchs J, Bessire K, Weiler S
    Toxicon, 2019 Mar 20;163:44-47.
    PMID: 30902684 DOI: 10.1016/j.toxicon.2019.03.019
    This case report describes the effect of an envenomation by the Beautiful Pit Viper Trimeresurus venustus (or Cryptelytrops venustus), which is a green pit viper native to Thailand and Malaysia. A previously healthy 60-year-old snake breeder with no relevant medical history was bitten by his adult T. venustus in the third finger of his right hand while taking it out of the feeding box. The bite was painful and swelling progressed to include his whole hand within an hour after the bite. He was treated symptomatically with pre-emptive antibiotics and analgesics, never developed any hematological disorders such as coagulopathy and bleeding or disseminated intravascular coagulation and was discharged 26 hours after the bite. The clinical course in our patient matched two other well-documented cases reported to our Poisons Centre, and one further case presented as a conference-poster. All patients recovered with symptomatic therapy and never required antivenom. Therefore, bites by T. venustus seem to present with less severe symptoms compared to other Trimeresurus species.
    Matched MeSH terms: Blood Coagulation Disorders
  7. Fulltext Effects of Methylene Blue, Psoralen and Riboflavin treatments on Fibrinogen and other coagulation factors level of fresh frozen plasma
    Norazlina Hamzah, Faraizah Abd. Karim, Ahzad Hadi Ahmad, Narazah Mohd Yusoff
    Malaysian Journal of Medicine and Health Sciences, 2018;14(201):1-9.
    MyJurnal
    Photochemical treatment is one of the pathogen inactivation method to treat plasma, part of a proactive approach used for blood and blood component safety. Three photochemical treatments that have been used were methylene blue, riboflavin and psoralen treatment. This study was done on Fresh Frozen Plasma (FFP) to evaluate the treatment effects of psoralen, methylene blue and riboflavin on coagulation factors level. Methods: FFP was collected from apheresis plasma units and kept at 22oC to 24oC. A sum of 90 apheresis plasma units and segments were used, separated from each bag and a part used as controls, placed in a -30oC freezer for storage, thawed, and coagulation proteins function was evaluated before and after treatment, at immediate, 30 days and 270 days storage. Results: Significant differences in fibrinogen and coagulation factor levels between before and after treatment with methylene blue, psoralen and riboflavin. However, most of the mean values in treated plasma were within reference ranges. Methylene blue treated FFP showed the lowest changes in fibrinogen and other coagulation factors level whilst riboflavin treated FFP demonstrated the highest changes in coagulation proteins concentrations especially for fibrinogen, FV, FVIII, FIX and FXII. However, FXIII showed the best recovery for all three photochemical methods with reduction level of 3% to 8% compared to pre-treatment. Storage time comparison of immediate, 30 days and 270 days was inconclusive. Conclusion: The coagulation proteins in psoralen treated FFP and MB-FFP were adequately preserved, where MB-FFP showed better preservation than other two photochemical treatments.
    Matched MeSH terms: Blood Coagulation Factors
  8. Fulltext Zeolite Nanoparticles for Selective Sorption of Plasma Proteins
    Rahimi M, Ng EP, Bakhtiari K, Vinciguerra M, Ali Ahmad H, Awala H, et al.
    Sci Rep, 2015 Nov 30;5:17259.
    PMID: 26616161 DOI: 10.1038/srep17259
    The affinity of zeolite nanoparticles (diameter of 8-12 nm) possessing high surface area and high pore volume towards human plasma proteins has been investigated. The protein composition (corona) of zeolite nanoparticles has been shown to be more dependent on the plasma protein concentrations and the type of zeolites than zeolite nanoparticles concentration. The number of proteins present in the corona of zeolite nanoparticles at 100% plasma (in vivo state) is less than with 10% plasma exposure. This could be due to a competition between the proteins to occupy the corona of the zeolite nanoparticles. Moreover, a high selective adsorption for apolipoprotein C-III (APOC-III) and fibrinogen on the zeolite nanoparticles at high plasma concentration (100%) was observed. While the zeolite nanoparticles exposed to low plasma concentration (10%) exhibited a high selective adsorption for immunoglobulin gamma (i.e. IGHG1, IGHG2 and IGHG4) proteins. The zeolite nanoparticles can potentially be used for selectively capture of APOC-III in order to reduce the activation of lipoprotein lipase inhibition during hypertriglyceridemia treatment. The zeolite nanoparticles can be adapted to hemophilic patients (hemophilia A (F-VIII deficient) and hemophilia B (F-IX deficient)) with a risk of bleeding, and thus might be potentially used in combination with the existing therapy.
    Matched MeSH terms: Blood Coagulation
  9. Fulltext Anticoagulant Activity of Polyphenolic-Polysaccharides Isolated from Melastoma malabathricum L
    Khoo LT, Abas F, Abdullah JO, Mohd Tohit ER, Hamid M
    Evid Based Complement Alternat Med, 2014;2014:614273.
    PMID: 24987430 DOI: 10.1155/2014/614273
    Melastoma malabathricum Linn. is a perennial traditional medicine plants that grows abundantly throughout Asian countries. In this study, M. malabathricum Linn. leaf hot water crude extract with anticoagulant activity was purified through solid phase extraction cartridge and examined for the bioactive chemical constituents on blood coagulation reaction. The SPE purified fractions were, respectively, designated as F1, F2, F3, and F4, and each was subjected to the activated partial thromboplastin time (APTT) anticoagulant assay. Active anticoagulant fractions (F1, F2, and F3) were subjected to chemical characterisation evaluation. Besides, neutral sugar for carbohydrate part was also examined. F1, F2, and F3 were found to significantly prolong the anticoagulant activities in the following order, F1 > F2 > F3, in a dose dependent manner. In addition, carbohydrate, hexuronic acid, and polyphenolic moiety were measured for the active anticoagulant fractions (F1, F2, and F3). The characterisation of chemical constituents revealed that all these three fractions contained acidic polysaccharides (rhamnogalacturonan, homogalacturonan, and rhamnose hexose-pectic type polysaccharide) and polyphenolics. Hence, it was concluded that the presence of high hexuronic acids and polysaccharides, as well as polyphenolics in traditional medicinal plant, M. malabathricum, played a role in prolonging blood clotting in the intrinsic pathway.
    Matched MeSH terms: Blood Coagulation
  10. Fulltext An Asian validation of the TIMI risk score for ST-segment elevation myocardial infarction
    Selvarajah S, Fong AY, Selvaraj G, Haniff J, Uiterwaal CS, Bots ML
    PLoS One, 2012;7(7):e40249.
    PMID: 22815733 DOI: 10.1371/journal.pone.0040249
    Risk stratification in ST-elevation myocardial infarction (STEMI) is important, such that the most resource intensive strategy is used to achieve the greatest clinical benefit. This is essential in developing countries with wide variation in health care facilities, scarce resources and increasing burden of cardiovascular diseases. This study sought to validate the Thrombolysis In Myocardial Infarction (TIMI) risk score for STEMI in a multi-ethnic developing country.
    Matched MeSH terms: Blood Coagulation*
  11. Fulltext Bilateral femoral neuropathy associated with disseminated intravascular coagulopathy: a case report
    Cheok CY, Merican A, Ng WM
    Med J Malaysia, 2006 Feb;61 Suppl A:97-9.
    PMID: 17042241
    We report a case of 20-year-old man who presented with bilateral femoral nerve palsy following resuscitation for traumatic massive blood loss and its consequence. A high suspicious index for this complication may lead to its early recognition. Its related pathoanatomy is discussed based on the described evidences in the literature. Nonoperative treatment remains as a recommended option for coagulopathy-related neuropathy.
    Matched MeSH terms: Blood Coagulation Disorders/complications
  12. The biological properties of venoms from juvenile and adult taipan (Oxyuranus scutellatus) snakes
    Tan NH, Armugam A, Mirtschin PJ
    Comp. Biochem. Physiol., B, 1992 Nov;103(3):585-8.
    PMID: 1458834
    1. The biological properties of four venom pooled samples from adult taipan (Oxyuranus scutellatus) snakes and one pooled venom sample from six juvenile taipan snakes (11 months old) were compared. 2. The intravenous LD50 (median lethal dose), procoagulant activity and enzymatic activities of the juvenile venom were not significantly different from those of the adult venoms. 3. The juvenile and adult venoms exhibited similar polyacrylamide gel electrophoretic (PAGE) and SDS-PAGE patterns, indicating that they possessed a similar protein composition. 4. The results suggest that there is no significant age-dependency in the biological properties of taipan venom.
    Matched MeSH terms: Blood Coagulation/drug effects
  13. Purification and characterization of two acidic phospholipase A2 enzymes from king cobra (Ophiophagus hannah) snake venom
    Tan NH, Saifuddin MN
    Int. J. Biochem., 1990;22(5):481-7.
    PMID: 2347427
    1. The two major phospholipase A2 enzymes (OHPLA-DE1 and OHPLA-DE2) of king cobra (Ophiophagus hannah) venom have been purified to electrophoretic homogeneity. 2. The isoelectric points of OHPLA-DE1 and OHPLA-DE2 were 3.81 and 3.89, respectively and the Mws were 14,000 and 15,000, respectively, as estimated by Sephadex G-75 gel filtration chromatography; and 14,000 as estimated by SDS-PAGE. 3. The enzymes were not lethal to mice at a dosage of 10 micrograms/g body wt by i.v. route. Both phospholipase A2 enzymes, however, exhibited moderate edema-inducing and anti-coagulant activities. 4. Bromophenacylation of the enzymes reduced the enzymatic activity drastically but did not affect the edema-inducing activity of the enzymes.
    Matched MeSH terms: Blood Coagulation/drug effects
  14. Hemostatic abnormalities in nephrotic syndrome
    Abdullah R
    Vet. Clin. North Am. Small Anim. Pract., 1988 Jan;18(1):105-13.
    PMID: 3282374
    Nephrotic syndrome is often associated with a hypercoagulable state and thrombotic complications. Thrombosis may be due to a number of abnormalities in blood, including AT III deficiency, increased concentrations of fibrinogen, factors V and VIII, and platelet hyperaggregability. The therapeutic approach to thrombosis in nephrotic syndrome is the use of anticoagulants as a preventive measure or an attempt at thrombolysis with streptokinase, urokinase, or stanozolol.
    Matched MeSH terms: Blood Coagulation Factors/physiology
  15. A comparative study of the biological properties of venoms from snakes of the genus Vipera (true adders)
    Tan NH, Ponnudurai G
    Comp. Biochem. Physiol., B, 1990;96(4):683-8.
    PMID: 2171867
    1. The hemorrhagic, procoagulant, anticoagulant, phosphodiesterase, hyaluronidase, alkaline phosphomonoesterase, 5'-nucleotidase, arginine ester hydrolase, phospholipase A, L-amino acid oxidase and protease activities of 26 samples of venoms of 13 taxa of Vipera were determined and the Sephadex G-75 gel filtration patterns for some of the venoms were also examined. 2. The results indicate the presence of certain common characteristics among the venoms, particularly if V. russelli is excluded from the comparison. The results also support the recently proposed reassignment of V. russelli to a separate genus. 3. The data show that information on venom biological properties can be used for differentiation of venoms of many species of Vipera. Particularly useful for this purpose are the protease, phosphodiesterase, phospholipase A and the procoagulant activities and the Sephadex G-75 gel filtration patterns of the venoms.
    Matched MeSH terms: Blood Coagulation/drug effects
  16. The comparison of the antitomboc action of the thrombin-like fraction of Malayan pit viper venom and heparin
    Chan KE
    Cardiovasc Res, 1969 Apr;3(2):171-8.
    PMID: 5821043
    Matched MeSH terms: Blood Coagulation/drug effects
  17. Macular haemorrhage in adult acute leukaemia patients at presentation and the risk of subsequent intracranial haemorrhage
    Jackson N, Reddy SC, Harun MH, Quah SH, Low HC
    Br J Haematol, 1997 Jul;98(1):204-9.
    PMID: 9233585
    Retinal changes are common in adult acute leukaemia patients at presentation, but whether they correlate with the risk of subsequent intracranial haemorrhage is unknown. A 4-year study has been carried out in 82 newly-diagnosed acute leukaemia patients, aged 12-77 years, who were studied prospectively for the presence of intra-retinal haemorrhages (IRH), white-centred haemorrhages (WCH), cotton-wool spots (CWS) and macular haemorrhages (MH). Groups with and without these features were compared for their risk of intra-cranial haemorrhage (ICH) within the first 30 d following diagnosis. There was no association between the incidence of ICH and the presence of IRH, WCH or CWS. However, 6/13 of those with MH developed ICH, compared to 6/69 of those without MH (relative risk 5.0, CI 95% [2.03-12.33], P=0.003). The only other identifiable risk factor for ICH was the M3 subtype of AML, but if the four cases of M3-AML were discounted from analysis, MH remained a highly significant risk factor for ICH. Patients with MH should be monitored intensively for the development of ICH, and receive priority in the allocation of platelets where these are in short supply.
    Matched MeSH terms: Blood Coagulation Disorders/etiology
  18. A comparative study of the biological properties of venoms from juvenile and adult inland taipan (Oxyuranus microlepidotus) snake venoms
    Tan NH, Ponnudurai G, Mirtschin PJ
    Toxicon, 1993 Mar;31(3):363-7.
    PMID: 8470140
    The biological properties of adult and juvenile inland taipan (Oxyuranus microlepidotus) snake venoms were examined. The enzymatic activities, intravenous median lethal dose and procoagulant activity of the juvenile venom samples were not significantly different from those of the adult venom samples. Also, the juvenile and adult venoms exhibited similar electrophoretic patterns, indicating that they possessed similar protein composition.
    Matched MeSH terms: Blood Coagulation/drug effects
  19. Physicochemical evaluation and in vitro hemocompatibility study on nanoporous hydroxyapatite
    Ooi CH, Ling YP, Abdullah WZ, Mustafa AZ, Pung SY, Yeoh FY
    J Mater Sci Mater Med, 2019 Mar 30;30(4):44.
    PMID: 30929088 DOI: 10.1007/s10856-019-6247-5
    Hydroxyapatite is an ideal biomaterial for bone tissue engineering due to its biocompatibility and hemocompatibility which have been widely studied by many researchers. The incorporation of nanoporosity into hydroxyapatite could transform the biomaterial into an effective adsorbent for uremic toxins removal especially in artificial kidney system. However, the effect of nanoporosity incorporation on the hemocompatibility of hydroxyapatite has yet to be answered. In this study, nanoporous hydroxyapatite was synthesized using hydrothermal technique and its hemocompatibility was determined. Non-ionic surfactants were used as soft templates to create porosity in the hydroxyapatite. The presence of pure hydroxyapatite phase in the synthesized samples is validated by X-ray diffraction analysis and Fourier transform infrared spectroscopy. The TEM images show that the hydroxyapatite formed rod-like particles with the length of 21-90 nm and diameter of 11-70 nm. The hydroxyapatite samples exhibit BET surface area of 33-45 m2 g-1 and pore volume of 0.35-0.44 cm3 g-1. The hemocompatibility of the hydroxyapatite was determined via hemolysis test, platelet adhesion, platelet activation and blood clotting time measurement. The nanoporous hydroxyapatite shows less than 5% hemolysis, suggesting that the sample is highly hemocompatible. There is no activation and morphological change observed on the platelets adhered onto the hydroxyapatite. The blood clotting time demonstrates that the blood incubated with the hydroxyapatite did not coagulate. This study summarizes that the synthesized nanoporous hydroxyapatite is a highly hemocompatible biomaterial and could potentially be utilized in biomedical applications.
    Matched MeSH terms: Blood Coagulation/drug effects*
  20. VKORC1 and CYP2C9 genotypic data-based dose prediction alone does not accurately predict warfarin dose requirements in some Malaysian patients
    Chua YA, Abdullah WZ, Yusof Z, Gan SH
    Turk J Med Sci, 2015;45(4):913-8.
    PMID: 26422867
    BACKGROUND/AIM: VKORC1 and CYP2C9 genetic polymorphisms may not accurately predict warfarin dose requirements. We evaluated an existing warfarin dosing algorithm developed for Malaysian patients that was based only on VKORC1 and CYP2C9 genes.

    MATERIALS AND METHODS: Five Malay patients receiving warfarin maintenance therapy were investigated for their CYP2C9*2, CYP2C9*3, and VKORC1-1639G>A genotypes and their vitamin K-dependent (VKD) clotting factor activities. The records of their daily warfarin doses and international normalized ratio (INR) 2 years prior to and after the measurement of VKD clotting factors activities were acquired. The mean warfarin doses were compared with predicted warfarin doses calculated from a genotypic-based dosing model developed for Asians.

    RESULTS: A patient with the VKORC1-1639 GA genotype, who was supposed to have higher dose requirements, had a lower mean warfarin dose similar to those having the VKORC1-1639 AA genotype. This discrepancy may be due to the coadministration of celecoxib, which has the potential to decrease warfarins metabolism. Not all patients' predicted mean warfarin doses based on a previously developed dosing algorithm for Asians were similar to the actual mean warfarin dose, with the worst predicted dose being 54.34% higher than the required warfarin dose.

    CONCLUSION: Multiple clinical factors can significantly change the actual required dose from the predicted dose from time to time. The additions of other dynamic variables, especially INR, VKD clotting factors, and concomitant drug use, into the dosing model are important in order to improve its accuracy.

    Matched MeSH terms: Blood Coagulation/genetics
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