Displaying all 12 publications

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  1. Kamala F, Boo NY, Cheah FC, Birinder K
    Acta Paediatr, 2002;91(12):1350-6.
    PMID: 12578294
    AIM: To determine whether the addition of heparin to total parenteral nutrition (TPN) fluid would prevent blockage of peripherally inserted central catheters (PICCs) in neonates.

    METHODS: This was a randomized, double-blind, controlled study of 66 eligible neonates with PICCs inserted for the administration of TPN. Infants were randomized to receive TPN containing either 1 IU ml(-1) of heparin (n = 35) or no heparin (n = 31).

    RESULTS: There was no significant difference in the incidence of blocked catheters between the two groups of infants (heparin: 14.3%; no-heparin: 22.6%, p = 0.4). Although a higher percentage (62.9%) of infants in the heparin group received a complete course of TPN successfully via PICC than those in the no-heparin group (48.4%), the difference was not statistically significant (p = 0.3). There were no significant differences in the incidence of catheter-related sepsis, hypertriglyceridaemia, hyperbilirubinaemia, coagulopathy or intraventricular haemorrhage between the two groups.

    CONCLUSION: Addition of heparin to TPN fluid was not associated with a significant reduction in the incidence of blocked PICCs. However, the sample size of this study was too small to exclude even rather marked differences between the groups.

    Matched MeSH terms: Heparin/therapeutic use*
  2. Chow TWP, Wong YM
    Med J Malaysia, 2001 Dec;56(4):418-27.
    PMID: 12014760
    Thromboembolic disease remains an important cause of maternal mortality worldwide. The risk assessments for prevention of thromboembolism in pregnancy are controversial due to lack of large-scale randomised controlled trials. Unfractionated heparin is at present, the anticoagulant of choice during pregnancy. However, it may be superseded by low-molecular-weight heparin in the near future because of its safety and efficacy.
    Matched MeSH terms: Heparin/therapeutic use*
  3. Badrin O, Kushairi S, Zakaria Z, Sachithanandan A
    BMJ Case Rep, 2013;2013.
    PMID: 23632185 DOI: 10.1136/bcr-2013-009112
    Heparin resistance (HR) is an increasingly common occurrence due to a greater awareness of the benefits of antithrombosis prophylaxis in hospitalised patients with low molecular weight and unfractionated heparin. Furthermore as more high-risk patients with prior heparin exposure undergo cardiac surgery we can expect to encounter more such cases. Adequate anticoagulation is essential for the safe conduct of any operation requiring cardiopulmonary bypass and is usually achieved with systemic heparinisation. We report a case of successful anticoagulation with the intraoperative administration of fresh frozen plasma in a high-risk coronary patient with HR and highlight the perils of unwitting overheparinisation in such cases. This case highlights the importance of clinical awareness of this phenomenon and the available alternative anticoagulants.
    Matched MeSH terms: Heparin/therapeutic use*
  4. Kautner I, Robinson MJ, Kuhnle U
    J Pediatr, 1997 Oct;131(4):516-24.
    PMID: 9386651
    Matched MeSH terms: Heparin/therapeutic use
  5. Che Yaakob CA, Dzarr AA, Ismail AA, Zuky Nik Lah NA, Ho JJ
    PMID: 20556784 DOI: 10.1002/14651858.CD007801.pub2
    BACKGROUND: Thromboembolic complications are much higher in pregnancy due to procoagulant changes. Heparin does not cross the placenta and the use of unfractionated heparin (UFH) is the current established practice in prophylaxis and treatment for thromboembolism in pregnancy.

    OBJECTIVES: To compare the effectiveness of anticoagulant therapies for the treatment of deep vein thrombosis in pregnancy. The anticoagulant drugs included are UFH, low molecular weight heparin (LMWH) and warfarin.

    SEARCH STRATEGY: We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (March 2010) and reference lists of retrieved studies.

    SELECTION CRITERIA: Randomised controlled trials comparing any combination of warfarin, UFH, LMWH and placebo in pregnant women.

    DATA COLLECTION AND ANALYSIS: We used methods described in the Cochrane Handbooks for Systemic Reviews of Interventions for assessing the eligibility of studies identified by the search strategy. A minimum of two review authors independently assessed each study.

    MAIN RESULTS: We did not identify any eligible studies for inclusion in the review.We identified three potential studies; after assessing eligibility, we excluded all three as they did not meet the prespecified inclusion criteria. One study compared LMWH and UFH in pregnant women with previous thromboembolic events and, for most of these women, anticoagulants were used as thromboprophylaxis. There were only three women who had a thromboembolic event during the current pregnancy and it was unclear whether the anticoagulant was used as therapy or prophylaxis. We excluded one study because it included only women undergoing caesarean birth. The third study was not a randomised trial.

    AUTHORS' CONCLUSIONS: There is no evidence from randomised controlled trials on the effectiveness of anticoagulation for deep vein thrombosis in pregnancy. Further studies are required.

    Matched MeSH terms: Heparin/therapeutic use
  6. Lean QY, Gueven N, Eri RD, Bhatia R, Sohal SS, Stewart N, et al.
    Expert Rev Clin Pharmacol, 2015;8(6):795-811.
    PMID: 26308504 DOI: 10.1586/17512433.2015.1082425
    Current drug therapies for ulcerative colitis (UC) are not completely effective in managing moderate-to-severe UC and approximately 20% of patients with severe UC require surgical interventions. Heparins, polydisperse mixtures of non-anticoagulant and anticoagulant oligosaccharides, are widely used as anticoagulants. However, heparins are also reported to have anti-inflammatory properties. Unfractionated heparin was initially used in patients with UC for the treatment of rectal microthrombi. Surprisingly, it was found to be effective in reducing UC-associated symptoms. Since then, several pre-clinical and clinical studies have reported promising outcomes of heparins in UC. In contrast, some controlled clinical trials demonstrated no or only limited benefits, thus the potential of heparins for the treatment of UC remains uncertain. This review discusses potential mechanisms of action of heparins, as well as proposed reasons for their contradictory clinical effectiveness in the treatment of UC.
    Matched MeSH terms: Heparin/therapeutic use*
  7. Abdul Rashid AM, Abd Ghani F, Inche Mat LN, Lim CTS
    BMC Complement Med Ther, 2020 Jun 02;20(1):163.
    PMID: 32487242 DOI: 10.1186/s12906-020-02971-y
    BACKGROUND: Herbal medication is widely used in our region as a mode of alternative medicine. Its contents and combinations are often modified to suit the needs of different populations. These products are said to boost the immune system and may serve as a protective measure against many diseases including Systemic Lupus Erythematosus (SLE). Some even lay claims to be able to cure SLE. Although they are not without side effects, these medications are still preferred due to their widespread availability and affordability, compared to modern medications. However, to date, there have been no reported cases in which these traditional medications can trigger a lupus-like reaction, moreover one involving the kidneys.

    CASE PRESENTATION: We report a patient who developed overt lupus nephritis after consuming a course of herbal supplement. Her renal status did not improve upon cessation of the offending drug, and she required immunosuppressive therapy. After one cycle of IV cyclophosphamide, we managed to get the patient into remission - she is now on tapering doses of steroids.

    CONCLUSION: We wish to highlight the possibility of consumption of herbal medication and the emergence of drug-induced lupus nephritis. A thorough anamnesis and high index of suspicion of drug-induced lupus nephritis is warranted when a patient on supplements presents with urinary abnormalities.

    Matched MeSH terms: Heparin/therapeutic use*
  8. Balasubramanian A, Mohamad I, Sidek D
    BMJ Case Rep, 2013;2013.
    PMID: 23355565 DOI: 10.1136/bcr-2012-007414
    Dural venous sinus thrombosis, especially of the sigmoid sinus, is a known but uncommon intracranial extradural complication of chronic suppurative otitis media. Even rarer is the simultaneous occurrence of bilateral abducens palsy in the same patient. We report the case of an adolescent male who presented with signs of raised intracranial pressure, diplopia and bilateral lateral rectus palsy associated with a history of left ear discharge and neck swelling. Extensive dural sinus thrombosis extending right up to the left internal jugular vein was confirmed on CT imaging. The patient was successfully treated with thrombolytic agents and antibiotic therapy. The pathophysiology of the concurrent complications is discussed.
    Matched MeSH terms: Heparin/therapeutic use
  9. Ahmad A, Patel I, Asani H, Jagadeesan M, Parimalakrishnan S, Selvamuthukumaran S
    Indian J Pharmacol, 2015 Jan-Feb;47(1):90-4.
    PMID: 25821318 DOI: 10.4103/0253-7613.150360
    Antithrombotic therapy with heparin plus antiplatelets reduces the rate of ischemic events in patients with coronary heart disease. Low molecular weight heparin has a more predictable anticoagulant effect than standard unfractionated heparin, is easier to administer, does not require monitoring and is associated with less ADRs. The purpose of the present study was to evaluate and compare the clinical and cost outcomes of Enoxaparin with a standard unfractionated heparin in patients with coronary heart disease.
    Matched MeSH terms: Heparin/therapeutic use*
  10. Rohana AR, Rosli MK, Nik Rizal NY, Shatriah I, Wan Hazabbah WH
    Orbit, 2008;27(3):215-7.
    PMID: 18569833 DOI: 10.1080/01676830802009754
    We were presented with a teenage female who developed superior ophthalmic vein thrombosis and cavernous sinus thrombophlebitis after a 1-week history of a single acne-like lesion or furuncle at the anterior tip of the nose. She was managed aggressively with heparin and intravenous antibiotic. Signs and symptoms improved after 2 weeks of treatment, and she was discharged with an anticoagulant.
    Matched MeSH terms: Heparin/therapeutic use
  11. Goldhaber SZ, Ageno W, Casella IB, Chee KH, Schellong S, Singer DE, et al.
    Am J Med, 2020 08;133(8):936-945.
    PMID: 32325043 DOI: 10.1016/j.amjmed.2020.03.036
    BACKGROUND: The safety and efficacy of nonvitamin K antagonist oral anticoagulants (NOACs) for the treatment of venous thromboembolism (VTE) have been established in randomized controlled trials, but limited data are available on their use in clinical practice across geographical regions.

    METHODS: In the international RE-COVERY DVT/PE observational study (enrollment January 2016 to May 2017), we sought to characterize the patient population and describe the prescribed anticoagulant. Patient characteristics and anticoagulants administered after objective diagnosis of VTE were recorded at the baseline visit and again at hospital discharge or at 14 days after the diagnosis, whichever was later.

    RESULTS: A total of 6095 patients were included, 50.2% were male, and the mean age was 61.5 years. The most common comorbidities were hypertension (35%), diabetes mellitus (11%), cancer (11%), prior VTE(11%), and trauma/surgery (7%). Overall, 77% of patients received oral anticoagulants, with 54% on NOACs and 23% on vitamin K antagonists (VKAs); 20% received parenteral anticoagulation only. NOACs comprised about 60% of anticoagulant treatment in Europe and Asia but substantially less in Latin America (29%) and the Middle East (21%). For NOAC therapies, the distribution (as a percentage of the total cohort) was rivaroxaban 25.6%, dabigatran 15.5%, apixaban 11.3%, and edoxaban 1.7%. Treatment with NOACs was less frequent in patients who had cancer, chronic renal disease, heart failure, or stroke.

    CONCLUSIONS: These findings enhance our understanding of baseline characteristics and the initial management of patients with VTE in routine practice.

    Matched MeSH terms: Heparin/therapeutic use
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