• Title/Summary/Keyword: Cardiovascular drug

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Canonical Transient Receptor Potential Channels and Their Link with Cardio/Cerebro-Vascular Diseases

  • Xiao, Xiong;Liu, Hui-Xia;Shen, Kuo;Cao, Wei;Li, Xiao-Qiang
    • Biomolecules & Therapeutics
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    • v.25 no.5
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    • pp.471-481
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    • 2017
  • The canonical transient receptor potential channels (TRPCs) constitute a series of nonselective cation channels with variable degrees of $Ca^{2+}$ selectivity. TRPCs consist of seven mammalian members, TRPC1, TRPC2, TRPC3, TRPC4, TRPC5, TRPC6, and TRPC7, which are further divided into four subtypes, TRPC1, TRPC2, TRPC4/5, and TRPC3/6/7. These channels take charge of various essential cell functions such as contraction, relaxation, proliferation, and dysfunction. This review, organized into seven main sections, will provide an overview of current knowledge about the underlying pathogenesis of TRPCs in cardio/cerebro-vascular diseases, including hypertension, pulmonary arterial hypertension, cardiac hypertrophy, atherosclerosis, arrhythmia, and cerebrovascular ischemia reperfusion injury. Collectively, TRPCs could become a group of drug targets with important physiological functions for the therapy of human cardio/cerebro-vascular diseases.

Clinical Study of Empyema Thoracis: a review of 64 cases (농흉의 임상적 고찰64례 보고)

  • Chang, Jung-Su;Lee, Chong-Kook
    • Journal of Chest Surgery
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    • v.12 no.4
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    • pp.403-410
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    • 1979
  • A Clinical analysis of 64 patients of thoracic empyema was done who received surgical intervention at Dept. of Thoracic Surgery of the Chosun University Hospital in the period of 3 years from September 1976 to October 1979. Following was the results: 1. Seven cases [10.9%] were under the age of 15 years, 16 cases [25%] was between 15-30 years and 41 cases [64.1%] was above the age of 30 years. A proportion of children and adult was 1:8. 2. Male and female ratio was 3:1. Right and left side pleural cavity ratio was 2.4:1. 3. Predisposing factors were pneumonia [35.9%] and pulmonary tuberculosis [28.1%]. 4. Most frequently encountered symptoms were dyspnea, cough, chest pain and fever in order. 5. Etiologic organisms were confirmed in 39 cases [86.7%] which requested in 45 cases. Staphylococcal infections were 11 cases and streptococcal, pneumococcal pseudomonas infection was infected in order. 6. Pneumothorax was associated with empyema on 21 cases [32.8%]; among those 13 cases [61.9%] were tuberculous in nature. 7. Sensitivity test was revealed that Minocin was most very sensitive drug, and next Erythromycin, Gentamycin and Penbrex in order. But most resistant drugs were Penicillin, Kanamycin, Streptomycin and Tetracycline in order. 8. Treatments were combined with antibiotics therapy and several surgical procedures for empyema. 26 cases [40.6%] were treated with closed thoracotomy drainage, 17 cases [26.6%] with open thoracotomy tube drainage and 9 cases decortication and 9 cases thoracoplasty. 9. 2 death cases occurred in 64 cases of thoracic empyema, and 79.7% cases were discharged with recovery and improvement.

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Pharmacotherapy for Obesity in Mood Disorders (기분장애 환자의 비만에 대한 약물치료)

  • Sohn, Inki;Lee, Kyu-Hang
    • Korean Journal of Psychosomatic Medicine
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    • v.22 no.2
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    • pp.63-70
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    • 2014
  • The prevalence of obesity and overweight is increasing in mood disorder, and it is connected to an increased cardiovascular mortality. Because of them, treatment for obesity may be an essential part of mood disorder treatment. Similar to the general population, non-pharmacological treatment such as correction of life habits should be considered first of all. If this approaches are fail, pharmacological treatment for obesity would be required as next step. Any drug for obesity is not approved officially in mood disorder. So approved drugs in general population, and drugs supported by several studies are prescribed in clinical settings. Several treatment guidelines for mood disorder and studies support that orlistat, metformin, topiramate and bupropion is effective and safe.

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Preparation and Evaluation of Semi-Solid Nifedipine Implants of Poly(ortho esters) (폴리오르소에스터를 이용한 니페디핀의 반고형 이식제제의 제조 및 평가)

  • Lee, Sae-Byul;Park, Joo-Ae;Lee, Seung-Jin;Kim, Kil-Soo
    • Journal of Pharmaceutical Investigation
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    • v.29 no.2
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    • pp.93-98
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    • 1999
  • Semi-solid poly(ortho esters) (POE) were prepared to provide bioerodible carriers for sustained drug delivery systems of nifedipine in the treatment of cardiovascular disease. As the POE has viscous behavior at room temperature, a significant advantage of this polymer is that it can be injected without any surgical intervention. The POE was synthesized by a transesterification reaction between 1,2,6-hexanetriol and trimethyl orthoacetate and the nifedipine release from POE was studied in vitro. The release rate of nifedipine decreased with increasing the amount of nifedipine and the diethanolamine dispersed in the polymer. But the excess amounts, above 3%, of diethanolamine retarded the release of nifedipine. In vivo biocompatibility studies were carried out in rats with nifedipine loaded POE. Histopathological analysis showed that nifedipine loaded POE implants were well-tolerated by rats when used subcutaneously. In case of the rats implanted POE containing diethanolamine, tissue necrosis and inflammation were occured. Pharmacokinetic studies of nifedipine loaded POE implants were carried out in rabbits. In all cases, plasma concentrations of nifedipine were maintained over 15 ng/ml for at least 360 hours and biological half $life(t_{1/2})$ and mean residence time(MRT) were increased by addition of diethanolamine.

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Complementary and Alternative Medicine Among Older Adults in the United States: Current Evidence and Future Directions

  • Yoon, Saun-Joo L.
    • Perspectives in Nursing Science
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    • v.3 no.1
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    • pp.73-89
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    • 2006
  • Complementary and alternative medicine has gained popularity and respectability in recent years in the United States. Since aging is often associated with chronic health conditions that commonly lead to physical and psychosocial disabilities (e.g., depression, functional and/or cognitive disabilities, and decreased quality of life), older adults often seek options to maintain health and treat chronic conditions as an adjunct to conventional medical care. Herbal products, the most commonly used among various complementary and alternative medicines (CAM), should be used with caution due to potential herbal-drug interactions (related to polypharmacy) and herbal-disease interactions (related to comorbidities). Five of the most common chronic conditions in older adults are chronic pain, cardiovascular problems, hypertension, diabetes, and chronic lung problems. A high rate of falls or risk of falling is also a problem unique to this older population. For these conditions, only a few types of CAM (e.g., acupuncture, qi gong, tai chi) were tested, with promising results. However, in spite of evidence supporting the use of certain types of CAM to alleviate some common chronic conditions, findings are limited in terms of other types of CAM tested and both short and long-term effects. More rigorous clinical trials of various CAM types are thus warranted to advance scientific knowledge and establish evidence-based practices to care for the growing number of older adults who deserve to have a better quality of life.

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Tracheal Stenosis after Tracheostomy Treated Successfully with Papillotome Electrocautery

  • Oh, Sun Hee;Lee, Seong Ju;Kim, Dae Sung;Na, Moon Jun;Choi, Eugene;Kwon, Sun Jung;Cho, Hyun Min;Son, Ji Woong
    • Tuberculosis and Respiratory Diseases
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    • v.75 no.2
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    • pp.79-82
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    • 2013
  • Tracheal Stenosis after Tracheostomy Treated Successfully with Papillotome Electrocautery A 39-year-old woman presented with symptoms of dyspnea. Ten years previously, she had received a tracheostomy because of the decision to not continue taking an anticonvulsant drug. Presently, chest computed tomography showed diffuse stenosis and focal web at the cervical trachea. We performed bronchoscopy and found a two-thirds reduction of the upper trachea due to the web-like fibrotic stenosis. Papillotome electrocautery removed the stenotic lesion. Endobronchial electrocautery is a valuable tool with potential for therapy of an endobronchial obstructing airway lesion. We report this case to introduce the successful treatment with papillotome electrocautery.

Complications of nephrotic syndrome

  • Park, Se-Jin;Shin, Jae-Il
    • Clinical and Experimental Pediatrics
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    • v.54 no.8
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    • pp.322-328
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    • 2011
  • Nephrotic syndrome (NS) is one of the most common glomerular diseases that affect children. Renal histology reveals the presence of minimal change nephrotic syndrome (MCNS) in more than 80% of these patients. Most patients with MCNS have favorable outcomes without complications. However, a few of these children have lesions of focal segmental glomerulosclerosis, suffer from severe and prolonged proteinuria, and are at high risk for complications. Complications of NS are divided into two categories: disease-associated and drug-related complications. Disease-associated complications include infections (e.g., peritonitis, sepsis, cellulitis, and chicken pox), thromboembolism (e.g., venous thromboembolism and pulmonary embolism), hypovolemic crisis (e.g., abdominal pain, tachycardia, and hypotension), cardiovascular problems (e.g., hyperlipidemia), acute renal failure, anemia, and others (e.g., hypothyroidism, hypocalcemia, bone disease, and intussusception). The main pathomechanism of disease-associated complications originates from the large loss of plasma proteins in the urine of nephrotic children. The majority of children with MCNS who respond to treatment with corticosteroids or cytotoxic agents have smaller and milder complications than those with steroid-resistant NS. Corticosteroids, alkylating agents, cyclosporin A, and mycophenolate mofetil have often been used to treat NS, and these drugs have treatment-related complications. Early detection and appropriate treatment of these complications will improve outcomes for patients with NS.

The Efficacy and Safety of Platelet-Rich Plasma and Adipose-Derived Stem Cells: An Update

  • Choi, Jaehoon;Minn, Kyung Won;Chang, Hak
    • Archives of Plastic Surgery
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    • v.39 no.6
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    • pp.585-592
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    • 2012
  • During the past decade, many studies using platelet-rich plasma (PRP) or adipose-derived stem cells (ASCs) have been conducted in various medical fields, from cardiovascular research to applications for corneal diseases. Nonetheless, there are several limitations of practical applications of PRP and ASCs. Most reports of PRP are anecdotal and few include controls to determine the specific role of PRP. There is little consensus regarding PRP production and characterization. Some have reported the development of an antibody to bovine thrombin, which was the initiator of platelet activation. In the case of ASCs, good manufacturing practices are needed for the production of clinical-grade human stem cells, and in vitro expansion of ASCs requires approval of the Korea Food and Drug Administration, such that considerable expense and time are required. Additionally, some have reported that ASCs could have a potential risk of transformation to malignant cells. Therefore, the authors tried to investigate the latest research on the efficacy and safety of PRP and ASCs and report on the current state and regulation of these stem cell-based therapies.

Conservative Treatment with Octreotide as an Adjunct for Chylothorax after Lung Cancer Surgery - Two Cases (폐암 수술 후 발생한 유미흉의 옥트레오타이드를 이용한 보존적 치료 -2예 보고-)

  • Song Suk-Won;Lee Hyun-Sung;Kim Moon-Soo;Lee Jong-Mog;Kim Jae-Hyun;Zo Jae-Ill
    • Journal of Chest Surgery
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    • v.39 no.7 s.264
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    • pp.561-564
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    • 2006
  • Postoperative chylothorax is a rare but serious complication of thoracic surgical procedures. We report two cases of chylothorax after lobectomy and mediastinal Iymph node dissection for lung cancer. The patients were successfully treated with subcutaneous octreotide injection as an adjunct to conservative treatment.

Post-Marketing Surveillance Study of the Safety and Efficacy of Mesoglycan Prescribed in Primary and Secondary Care of Patients with Vascular Disease (혈관질환 환자의 예방치료에 있어 메소글리칸의 안전성 및 유효성에 관한 시판 후 조사에 대한 연구)

  • Kim, Yoon-Hee;Jung, Young-Hye;Lee, Hwa-Jeong;Gwak, Hye-Sun
    • Korean Journal of Clinical Pharmacy
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    • v.15 no.2
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    • pp.94-99
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    • 2005
  • The aim of this study was to evaluate the safety and efficacy of treatment of mesoglycan. This study was conducted between September 2003 and May 2004. A total of 292 patients with vascular disorders including cerebral infarction were enrolled. The patients were administered with 50-100mg of mesoglycan by an oral route everyday for eight weeks. Subjective physicians' assessments of efficacy had ratings of 'improvement', 'invariability', 'exacerbation' and 'not being able to assess'. An improvement was observed in 241 patients out of 274; 18 patients were rules out. The efficacy rate was influenced statistically significantly by the duration of therapy (p=0.0392) and daily mean drug dose (p<0.0001). The adverse events were reported in 8 patients (9 cases) out of 292 patients: skin/appendages disorders (0.7%), liver/biliary system disorders (0.7%), cardiovascular system disorders (0.7%), neurologic disorders (0.3%). respiratory disorders (0.3%) and gastrointestinal system disorders (0.3%). There showed no serious adverse events. These results indicate that mesoglycan was well tolerated and effective for the prevention of vascular disorders.

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